diff --git a/app/assets/javascripts/highcharts.src.js b/app/assets/javascripts/highcharts.src.js
new file mode 100644
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--- /dev/null
+++ b/app/assets/javascripts/highcharts.src.js
@@ -0,0 +1,14681 @@
+// ==ClosureCompiler==
+// @compilation_level SIMPLE_OPTIMIZATIONS
+
+/**
+ * @license Highcharts JS v2.2.5 (2012-06-08)
+ *
+ * (c) 2009-2011 Torstein Hønsi
+ *
+ * License: www.highcharts.com/license
+ */
+
+// JSLint options:
+/*global Highcharts, document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $, console */
+
+(function () {
+// encapsulated variables
+var UNDEFINED,
+ doc = document,
+ win = window,
+ math = Math,
+ mathRound = math.round,
+ mathFloor = math.floor,
+ mathCeil = math.ceil,
+ mathMax = math.max,
+ mathMin = math.min,
+ mathAbs = math.abs,
+ mathCos = math.cos,
+ mathSin = math.sin,
+ mathPI = math.PI,
+ deg2rad = mathPI * 2 / 360,
+
+
+ // some variables
+ userAgent = navigator.userAgent,
+ isIE = /msie/i.test(userAgent) && !win.opera,
+ docMode8 = doc.documentMode === 8,
+ isWebKit = /AppleWebKit/.test(userAgent),
+ isFirefox = /Firefox/.test(userAgent),
+ SVG_NS = 'http://www.w3.org/2000/svg',
+ hasSVG = !!doc.createElementNS && !!doc.createElementNS(SVG_NS, 'svg').createSVGRect,
+ hasBidiBug = isFirefox && parseInt(userAgent.split('Firefox/')[1], 10) < 4, // issue #38
+ useCanVG = !hasSVG && !isIE && !!doc.createElement('canvas').getContext,
+ Renderer,
+ hasTouch = doc.documentElement.ontouchstart !== UNDEFINED,
+ symbolSizes = {},
+ idCounter = 0,
+ garbageBin,
+ defaultOptions,
+ dateFormat, // function
+ globalAnimation,
+ pathAnim,
+ timeUnits,
+ noop = function () {},
+
+ // some constants for frequently used strings
+ DIV = 'div',
+ ABSOLUTE = 'absolute',
+ RELATIVE = 'relative',
+ HIDDEN = 'hidden',
+ PREFIX = 'highcharts-',
+ VISIBLE = 'visible',
+ PX = 'px',
+ NONE = 'none',
+ M = 'M',
+ L = 'L',
+ /*
+ * Empirical lowest possible opacities for TRACKER_FILL
+ * IE6: 0.002
+ * IE7: 0.002
+ * IE8: 0.002
+ * IE9: 0.00000000001 (unlimited)
+ * FF: 0.00000000001 (unlimited)
+ * Chrome: 0.000001
+ * Safari: 0.000001
+ * Opera: 0.00000000001 (unlimited)
+ */
+ TRACKER_FILL = 'rgba(192,192,192,' + (hasSVG ? 0.000001 : 0.002) + ')', // invisible but clickable
+ //TRACKER_FILL = 'rgba(192,192,192,0.5)',
+ NORMAL_STATE = '',
+ HOVER_STATE = 'hover',
+ SELECT_STATE = 'select',
+ MILLISECOND = 'millisecond',
+ SECOND = 'second',
+ MINUTE = 'minute',
+ HOUR = 'hour',
+ DAY = 'day',
+ WEEK = 'week',
+ MONTH = 'month',
+ YEAR = 'year',
+
+ // constants for attributes
+ FILL = 'fill',
+ LINEAR_GRADIENT = 'linearGradient',
+ STOPS = 'stops',
+ STROKE = 'stroke',
+ STROKE_WIDTH = 'stroke-width',
+
+ // time methods, changed based on whether or not UTC is used
+ makeTime,
+ getMinutes,
+ getHours,
+ getDay,
+ getDate,
+ getMonth,
+ getFullYear,
+ setMinutes,
+ setHours,
+ setDate,
+ setMonth,
+ setFullYear,
+
+
+ // lookup over the types and the associated classes
+ seriesTypes = {};
+
+// The Highcharts namespace
+win.Highcharts = {};
+
+/**
+ * Extend an object with the members of another
+ * @param {Object} a The object to be extended
+ * @param {Object} b The object to add to the first one
+ */
+function extend(a, b) {
+ var n;
+ if (!a) {
+ a = {};
+ }
+ for (n in b) {
+ a[n] = b[n];
+ }
+ return a;
+}
+
+/**
+ * Take an array and turn into a hash with even number arguments as keys and odd numbers as
+ * values. Allows creating constants for commonly used style properties, attributes etc.
+ * Avoid it in performance critical situations like looping
+ */
+function hash() {
+ var i = 0,
+ args = arguments,
+ length = args.length,
+ obj = {};
+ for (; i < length; i++) {
+ obj[args[i++]] = args[i];
+ }
+ return obj;
+}
+
+/**
+ * Shortcut for parseInt
+ * @param {Object} s
+ * @param {Number} mag Magnitude
+ */
+function pInt(s, mag) {
+ return parseInt(s, mag || 10);
+}
+
+/**
+ * Check for string
+ * @param {Object} s
+ */
+function isString(s) {
+ return typeof s === 'string';
+}
+
+/**
+ * Check for object
+ * @param {Object} obj
+ */
+function isObject(obj) {
+ return typeof obj === 'object';
+}
+
+/**
+ * Check for array
+ * @param {Object} obj
+ */
+function isArray(obj) {
+ return Object.prototype.toString.call(obj) === '[object Array]';
+}
+
+/**
+ * Check for number
+ * @param {Object} n
+ */
+function isNumber(n) {
+ return typeof n === 'number';
+}
+
+function log2lin(num) {
+ return math.log(num) / math.LN10;
+}
+function lin2log(num) {
+ return math.pow(10, num);
+}
+
+/**
+ * Remove last occurence of an item from an array
+ * @param {Array} arr
+ * @param {Mixed} item
+ */
+function erase(arr, item) {
+ var i = arr.length;
+ while (i--) {
+ if (arr[i] === item) {
+ arr.splice(i, 1);
+ break;
+ }
+ }
+ //return arr;
+}
+
+/**
+ * Returns true if the object is not null or undefined. Like MooTools' $.defined.
+ * @param {Object} obj
+ */
+function defined(obj) {
+ return obj !== UNDEFINED && obj !== null;
+}
+
+/**
+ * Set or get an attribute or an object of attributes. Can't use jQuery attr because
+ * it attempts to set expando properties on the SVG element, which is not allowed.
+ *
+ * @param {Object} elem The DOM element to receive the attribute(s)
+ * @param {String|Object} prop The property or an abject of key-value pairs
+ * @param {String} value The value if a single property is set
+ */
+function attr(elem, prop, value) {
+ var key,
+ setAttribute = 'setAttribute',
+ ret;
+
+ // if the prop is a string
+ if (isString(prop)) {
+ // set the value
+ if (defined(value)) {
+
+ elem[setAttribute](prop, value);
+
+ // get the value
+ } else if (elem && elem.getAttribute) { // elem not defined when printing pie demo...
+ ret = elem.getAttribute(prop);
+ }
+
+ // else if prop is defined, it is a hash of key/value pairs
+ } else if (defined(prop) && isObject(prop)) {
+ for (key in prop) {
+ elem[setAttribute](key, prop[key]);
+ }
+ }
+ return ret;
+}
+/**
+ * Check if an element is an array, and if not, make it into an array. Like
+ * MooTools' $.splat.
+ */
+function splat(obj) {
+ return isArray(obj) ? obj : [obj];
+}
+
+
+/**
+ * Return the first value that is defined. Like MooTools' $.pick.
+ */
+function pick() {
+ var args = arguments,
+ i,
+ arg,
+ length = args.length;
+ for (i = 0; i < length; i++) {
+ arg = args[i];
+ if (typeof arg !== 'undefined' && arg !== null) {
+ return arg;
+ }
+ }
+}
+
+/**
+ * Set CSS on a given element
+ * @param {Object} el
+ * @param {Object} styles Style object with camel case property names
+ */
+function css(el, styles) {
+ if (isIE) {
+ if (styles && styles.opacity !== UNDEFINED) {
+ styles.filter = 'alpha(opacity=' + (styles.opacity * 100) + ')';
+ }
+ }
+ extend(el.style, styles);
+}
+
+/**
+ * Utility function to create element with attributes and styles
+ * @param {Object} tag
+ * @param {Object} attribs
+ * @param {Object} styles
+ * @param {Object} parent
+ * @param {Object} nopad
+ */
+function createElement(tag, attribs, styles, parent, nopad) {
+ var el = doc.createElement(tag);
+ if (attribs) {
+ extend(el, attribs);
+ }
+ if (nopad) {
+ css(el, {padding: 0, border: NONE, margin: 0});
+ }
+ if (styles) {
+ css(el, styles);
+ }
+ if (parent) {
+ parent.appendChild(el);
+ }
+ return el;
+}
+
+/**
+ * Extend a prototyped class by new members
+ * @param {Object} parent
+ * @param {Object} members
+ */
+function extendClass(parent, members) {
+ var object = function () {};
+ object.prototype = new parent();
+ extend(object.prototype, members);
+ return object;
+}
+
+/**
+ * How many decimals are there in a number
+ */
+function getDecimals(number) {
+
+ number = (number || 0).toString();
+
+ return number.indexOf('.') > -1 ?
+ number.split('.')[1].length :
+ 0;
+}
+
+/**
+ * Format a number and return a string based on input settings
+ * @param {Number} number The input number to format
+ * @param {Number} decimals The amount of decimals
+ * @param {String} decPoint The decimal point, defaults to the one given in the lang options
+ * @param {String} thousandsSep The thousands separator, defaults to the one given in the lang options
+ */
+function numberFormat(number, decimals, decPoint, thousandsSep) {
+ var lang = defaultOptions.lang,
+ // http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
+ n = number,
+ c = decimals === -1 ?
+ getDecimals(number) :
+ (isNaN(decimals = mathAbs(decimals)) ? 2 : decimals),
+ d = decPoint === undefined ? lang.decimalPoint : decPoint,
+ t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep,
+ s = n < 0 ? "-" : "",
+ i = String(pInt(n = mathAbs(+n || 0).toFixed(c))),
+ j = i.length > 3 ? i.length % 3 : 0;
+
+ return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) +
+ (c ? d + mathAbs(n - i).toFixed(c).slice(2) : "");
+}
+
+/**
+ * Pad a string to a given length by adding 0 to the beginning
+ * @param {Number} number
+ * @param {Number} length
+ */
+function pad(number, length) {
+ // Create an array of the remaining length +1 and join it with 0's
+ return new Array((length || 2) + 1 - String(number).length).join(0) + number;
+}
+
+/**
+ * Based on http://www.php.net/manual/en/function.strftime.php
+ * @param {String} format
+ * @param {Number} timestamp
+ * @param {Boolean} capitalize
+ */
+dateFormat = function (format, timestamp, capitalize) {
+ if (!defined(timestamp) || isNaN(timestamp)) {
+ return 'Invalid date';
+ }
+ format = pick(format, '%Y-%m-%d %H:%M:%S');
+
+ var date = new Date(timestamp),
+ key, // used in for constuct below
+ // get the basic time values
+ hours = date[getHours](),
+ day = date[getDay](),
+ dayOfMonth = date[getDate](),
+ month = date[getMonth](),
+ fullYear = date[getFullYear](),
+ lang = defaultOptions.lang,
+ langWeekdays = lang.weekdays,
+ /* // uncomment this and the 'W' format key below to enable week numbers
+ weekNumber = function () {
+ var clone = new Date(date.valueOf()),
+ day = clone[getDay]() == 0 ? 7 : clone[getDay](),
+ dayNumber;
+ clone.setDate(clone[getDate]() + 4 - day);
+ dayNumber = mathFloor((clone.getTime() - new Date(clone[getFullYear](), 0, 1, -6)) / 86400000);
+ return 1 + mathFloor(dayNumber / 7);
+ },
+ */
+
+ // list all format keys
+ replacements = {
+
+ // Day
+ 'a': langWeekdays[day].substr(0, 3), // Short weekday, like 'Mon'
+ 'A': langWeekdays[day], // Long weekday, like 'Monday'
+ 'd': pad(dayOfMonth), // Two digit day of the month, 01 to 31
+ 'e': dayOfMonth, // Day of the month, 1 through 31
+
+ // Week (none implemented)
+ //'W': weekNumber(),
+
+ // Month
+ 'b': lang.shortMonths[month], // Short month, like 'Jan'
+ 'B': lang.months[month], // Long month, like 'January'
+ 'm': pad(month + 1), // Two digit month number, 01 through 12
+
+ // Year
+ 'y': fullYear.toString().substr(2, 2), // Two digits year, like 09 for 2009
+ 'Y': fullYear, // Four digits year, like 2009
+
+ // Time
+ 'H': pad(hours), // Two digits hours in 24h format, 00 through 23
+ 'I': pad((hours % 12) || 12), // Two digits hours in 12h format, 00 through 11
+ 'l': (hours % 12) || 12, // Hours in 12h format, 1 through 12
+ 'M': pad(date[getMinutes]()), // Two digits minutes, 00 through 59
+ 'p': hours < 12 ? 'AM' : 'PM', // Upper case AM or PM
+ 'P': hours < 12 ? 'am' : 'pm', // Lower case AM or PM
+ 'S': pad(date.getSeconds()), // Two digits seconds, 00 through 59
+ 'L': pad(mathRound(timestamp % 1000), 3) // Milliseconds (naming from Ruby)
+ };
+
+
+ // do the replaces
+ for (key in replacements) {
+ format = format.replace('%' + key, replacements[key]);
+ }
+
+ // Optionally capitalize the string and return
+ return capitalize ? format.substr(0, 1).toUpperCase() + format.substr(1) : format;
+};
+
+/**
+ * Take an interval and normalize it to multiples of 1, 2, 2.5 and 5
+ * @param {Number} interval
+ * @param {Array} multiples
+ * @param {Number} magnitude
+ * @param {Object} options
+ */
+function normalizeTickInterval(interval, multiples, magnitude, options) {
+ var normalized, i;
+
+ // round to a tenfold of 1, 2, 2.5 or 5
+ magnitude = pick(magnitude, 1);
+ normalized = interval / magnitude;
+
+ // multiples for a linear scale
+ if (!multiples) {
+ multiples = [1, 2, 2.5, 5, 10];
+
+ // the allowDecimals option
+ if (options && options.allowDecimals === false) {
+ if (magnitude === 1) {
+ multiples = [1, 2, 5, 10];
+ } else if (magnitude <= 0.1) {
+ multiples = [1 / magnitude];
+ }
+ }
+ }
+
+ // normalize the interval to the nearest multiple
+ for (i = 0; i < multiples.length; i++) {
+ interval = multiples[i];
+ if (normalized <= (multiples[i] + (multiples[i + 1] || multiples[i])) / 2) {
+ break;
+ }
+ }
+
+ // multiply back to the correct magnitude
+ interval *= magnitude;
+
+ return interval;
+}
+
+/**
+ * Get a normalized tick interval for dates. Returns a configuration object with
+ * unit range (interval), count and name. Used to prepare data for getTimeTicks.
+ * Previously this logic was part of getTimeTicks, but as getTimeTicks now runs
+ * of segments in stock charts, the normalizing logic was extracted in order to
+ * prevent it for running over again for each segment having the same interval.
+ * #662, #697.
+ */
+function normalizeTimeTickInterval(tickInterval, unitsOption) {
+ var units = unitsOption || [[
+ MILLISECOND, // unit name
+ [1, 2, 5, 10, 20, 25, 50, 100, 200, 500] // allowed multiples
+ ], [
+ SECOND,
+ [1, 2, 5, 10, 15, 30]
+ ], [
+ MINUTE,
+ [1, 2, 5, 10, 15, 30]
+ ], [
+ HOUR,
+ [1, 2, 3, 4, 6, 8, 12]
+ ], [
+ DAY,
+ [1, 2]
+ ], [
+ WEEK,
+ [1, 2]
+ ], [
+ MONTH,
+ [1, 2, 3, 4, 6]
+ ], [
+ YEAR,
+ null
+ ]],
+ unit = units[units.length - 1], // default unit is years
+ interval = timeUnits[unit[0]],
+ multiples = unit[1],
+ count,
+ i;
+
+ // loop through the units to find the one that best fits the tickInterval
+ for (i = 0; i < units.length; i++) {
+ unit = units[i];
+ interval = timeUnits[unit[0]];
+ multiples = unit[1];
+
+
+ if (units[i + 1]) {
+ // lessThan is in the middle between the highest multiple and the next unit.
+ var lessThan = (interval * multiples[multiples.length - 1] +
+ timeUnits[units[i + 1][0]]) / 2;
+
+ // break and keep the current unit
+ if (tickInterval <= lessThan) {
+ break;
+ }
+ }
+ }
+
+ // prevent 2.5 years intervals, though 25, 250 etc. are allowed
+ if (interval === timeUnits[YEAR] && tickInterval < 5 * interval) {
+ multiples = [1, 2, 5];
+ }
+
+ // prevent 2.5 years intervals, though 25, 250 etc. are allowed
+ if (interval === timeUnits[YEAR] && tickInterval < 5 * interval) {
+ multiples = [1, 2, 5];
+ }
+
+ // get the count
+ count = normalizeTickInterval(tickInterval / interval, multiples);
+
+ return {
+ unitRange: interval,
+ count: count,
+ unitName: unit[0]
+ };
+}
+
+/**
+ * Set the tick positions to a time unit that makes sense, for example
+ * on the first of each month or on every Monday. Return an array
+ * with the time positions. Used in datetime axes as well as for grouping
+ * data on a datetime axis.
+ *
+ * @param {Object} normalizedInterval The interval in axis values (ms) and the count
+ * @param {Number} min The minimum in axis values
+ * @param {Number} max The maximum in axis values
+ * @param {Number} startOfWeek
+ */
+function getTimeTicks(normalizedInterval, min, max, startOfWeek) {
+ var tickPositions = [],
+ i,
+ higherRanks = {},
+ useUTC = defaultOptions.global.useUTC,
+ minYear, // used in months and years as a basis for Date.UTC()
+ minDate = new Date(min),
+ interval = normalizedInterval.unitRange,
+ count = normalizedInterval.count;
+
+
+
+ if (interval >= timeUnits[SECOND]) { // second
+ minDate.setMilliseconds(0);
+ minDate.setSeconds(interval >= timeUnits[MINUTE] ? 0 :
+ count * mathFloor(minDate.getSeconds() / count));
+ }
+
+ if (interval >= timeUnits[MINUTE]) { // minute
+ minDate[setMinutes](interval >= timeUnits[HOUR] ? 0 :
+ count * mathFloor(minDate[getMinutes]() / count));
+ }
+
+ if (interval >= timeUnits[HOUR]) { // hour
+ minDate[setHours](interval >= timeUnits[DAY] ? 0 :
+ count * mathFloor(minDate[getHours]() / count));
+ }
+
+ if (interval >= timeUnits[DAY]) { // day
+ minDate[setDate](interval >= timeUnits[MONTH] ? 1 :
+ count * mathFloor(minDate[getDate]() / count));
+ }
+
+ if (interval >= timeUnits[MONTH]) { // month
+ minDate[setMonth](interval >= timeUnits[YEAR] ? 0 :
+ count * mathFloor(minDate[getMonth]() / count));
+ minYear = minDate[getFullYear]();
+ }
+
+ if (interval >= timeUnits[YEAR]) { // year
+ minYear -= minYear % count;
+ minDate[setFullYear](minYear);
+ }
+
+ // week is a special case that runs outside the hierarchy
+ if (interval === timeUnits[WEEK]) {
+ // get start of current week, independent of count
+ minDate[setDate](minDate[getDate]() - minDate[getDay]() +
+ pick(startOfWeek, 1));
+ }
+
+
+ // get tick positions
+ i = 1;
+ minYear = minDate[getFullYear]();
+ var time = minDate.getTime(),
+ minMonth = minDate[getMonth](),
+ minDateDate = minDate[getDate](),
+ timezoneOffset = useUTC ?
+ 0 :
+ (24 * 3600 * 1000 + minDate.getTimezoneOffset() * 60 * 1000) % (24 * 3600 * 1000); // #950
+
+ // iterate and add tick positions at appropriate values
+ while (time < max) {
+ tickPositions.push(time);
+
+ // if the interval is years, use Date.UTC to increase years
+ if (interval === timeUnits[YEAR]) {
+ time = makeTime(minYear + i * count, 0);
+
+ // if the interval is months, use Date.UTC to increase months
+ } else if (interval === timeUnits[MONTH]) {
+ time = makeTime(minYear, minMonth + i * count);
+
+ // if we're using global time, the interval is not fixed as it jumps
+ // one hour at the DST crossover
+ } else if (!useUTC && (interval === timeUnits[DAY] || interval === timeUnits[WEEK])) {
+ time = makeTime(minYear, minMonth, minDateDate +
+ i * count * (interval === timeUnits[DAY] ? 1 : 7));
+
+ // else, the interval is fixed and we use simple addition
+ } else {
+ time += interval * count;
+
+ // mark new days if the time is dividable by day
+ if (interval <= timeUnits[HOUR] && time % timeUnits[DAY] === timezoneOffset) {
+ higherRanks[time] = DAY;
+ }
+ }
+
+ i++;
+ }
+
+ // push the last time
+ tickPositions.push(time);
+
+ // record information on the chosen unit - for dynamic label formatter
+ tickPositions.info = extend(normalizedInterval, {
+ higherRanks: higherRanks,
+ totalRange: interval * count
+ });
+
+ return tickPositions;
+}
+
+/**
+ * Helper class that contains variuos counters that are local to the chart.
+ */
+function ChartCounters() {
+ this.color = 0;
+ this.symbol = 0;
+}
+
+ChartCounters.prototype = {
+ /**
+ * Wraps the color counter if it reaches the specified length.
+ */
+ wrapColor: function (length) {
+ if (this.color >= length) {
+ this.color = 0;
+ }
+ },
+
+ /**
+ * Wraps the symbol counter if it reaches the specified length.
+ */
+ wrapSymbol: function (length) {
+ if (this.symbol >= length) {
+ this.symbol = 0;
+ }
+ }
+};
+
+
+/**
+ * Utility method that sorts an object array and keeping the order of equal items.
+ * ECMA script standard does not specify the behaviour when items are equal.
+ */
+function stableSort(arr, sortFunction) {
+ var length = arr.length,
+ sortValue,
+ i;
+
+ // Add index to each item
+ for (i = 0; i < length; i++) {
+ arr[i].ss_i = i; // stable sort index
+ }
+
+ arr.sort(function (a, b) {
+ sortValue = sortFunction(a, b);
+ return sortValue === 0 ? a.ss_i - b.ss_i : sortValue;
+ });
+
+ // Remove index from items
+ for (i = 0; i < length; i++) {
+ delete arr[i].ss_i; // stable sort index
+ }
+}
+
+/**
+ * Non-recursive method to find the lowest member of an array. Math.min raises a maximum
+ * call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
+ * method is slightly slower, but safe.
+ */
+function arrayMin(data) {
+ var i = data.length,
+ min = data[0];
+
+ while (i--) {
+ if (data[i] < min) {
+ min = data[i];
+ }
+ }
+ return min;
+}
+
+/**
+ * Non-recursive method to find the lowest member of an array. Math.min raises a maximum
+ * call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
+ * method is slightly slower, but safe.
+ */
+function arrayMax(data) {
+ var i = data.length,
+ max = data[0];
+
+ while (i--) {
+ if (data[i] > max) {
+ max = data[i];
+ }
+ }
+ return max;
+}
+
+/**
+ * Utility method that destroys any SVGElement or VMLElement that are properties on the given object.
+ * It loops all properties and invokes destroy if there is a destroy method. The property is
+ * then delete'ed.
+ * @param {Object} The object to destroy properties on
+ * @param {Object} Exception, do not destroy this property, only delete it.
+ */
+function destroyObjectProperties(obj, except) {
+ var n;
+ for (n in obj) {
+ // If the object is non-null and destroy is defined
+ if (obj[n] && obj[n] !== except && obj[n].destroy) {
+ // Invoke the destroy
+ obj[n].destroy();
+ }
+
+ // Delete the property from the object.
+ delete obj[n];
+ }
+}
+
+
+/**
+ * Discard an element by moving it to the bin and delete
+ * @param {Object} The HTML node to discard
+ */
+function discardElement(element) {
+ // create a garbage bin element, not part of the DOM
+ if (!garbageBin) {
+ garbageBin = createElement(DIV);
+ }
+
+ // move the node and empty bin
+ if (element) {
+ garbageBin.appendChild(element);
+ }
+ garbageBin.innerHTML = '';
+}
+
+/**
+ * Provide error messages for debugging, with links to online explanation
+ */
+function error(code, stop) {
+ var msg = 'Highcharts error #' + code + ': www.highcharts.com/errors/' + code;
+ if (stop) {
+ throw msg;
+ } else if (win.console) {
+ console.log(msg);
+ }
+}
+
+/**
+ * Fix JS round off float errors
+ * @param {Number} num
+ */
+function correctFloat(num) {
+ return parseFloat(
+ num.toPrecision(14)
+ );
+}
+
+/**
+ * The time unit lookup
+ */
+/*jslint white: true*/
+timeUnits = hash(
+ MILLISECOND, 1,
+ SECOND, 1000,
+ MINUTE, 60000,
+ HOUR, 3600000,
+ DAY, 24 * 3600000,
+ WEEK, 7 * 24 * 3600000,
+ MONTH, 30 * 24 * 3600000,
+ YEAR, 31556952000
+);
+/*jslint white: false*/
+/**
+ * Path interpolation algorithm used across adapters
+ */
+pathAnim = {
+ /**
+ * Prepare start and end values so that the path can be animated one to one
+ */
+ init: function (elem, fromD, toD) {
+ fromD = fromD || '';
+ var shift = elem.shift,
+ bezier = fromD.indexOf('C') > -1,
+ numParams = bezier ? 7 : 3,
+ endLength,
+ slice,
+ i,
+ start = fromD.split(' '),
+ end = [].concat(toD), // copy
+ startBaseLine,
+ endBaseLine,
+ sixify = function (arr) { // in splines make move points have six parameters like bezier curves
+ i = arr.length;
+ while (i--) {
+ if (arr[i] === M) {
+ arr.splice(i + 1, 0, arr[i + 1], arr[i + 2], arr[i + 1], arr[i + 2]);
+ }
+ }
+ };
+
+ if (bezier) {
+ sixify(start);
+ sixify(end);
+ }
+
+ // pull out the base lines before padding
+ if (elem.isArea) {
+ startBaseLine = start.splice(start.length - 6, 6);
+ endBaseLine = end.splice(end.length - 6, 6);
+ }
+
+ // if shifting points, prepend a dummy point to the end path
+ if (shift <= end.length / numParams) {
+ while (shift--) {
+ end = [].concat(end).splice(0, numParams).concat(end);
+ }
+ }
+ elem.shift = 0; // reset for following animations
+
+ // copy and append last point until the length matches the end length
+ if (start.length) {
+ endLength = end.length;
+ while (start.length < endLength) {
+
+ //bezier && sixify(start);
+ slice = [].concat(start).splice(start.length - numParams, numParams);
+ if (bezier) { // disable first control point
+ slice[numParams - 6] = slice[numParams - 2];
+ slice[numParams - 5] = slice[numParams - 1];
+ }
+ start = start.concat(slice);
+ }
+ }
+
+ if (startBaseLine) { // append the base lines for areas
+ start = start.concat(startBaseLine);
+ end = end.concat(endBaseLine);
+ }
+ return [start, end];
+ },
+
+ /**
+ * Interpolate each value of the path and return the array
+ */
+ step: function (start, end, pos, complete) {
+ var ret = [],
+ i = start.length,
+ startVal;
+
+ if (pos === 1) { // land on the final path without adjustment points appended in the ends
+ ret = complete;
+
+ } else if (i === end.length && pos < 1) {
+ while (i--) {
+ startVal = parseFloat(start[i]);
+ ret[i] =
+ isNaN(startVal) ? // a letter instruction like M or L
+ start[i] :
+ pos * (parseFloat(end[i] - startVal)) + startVal;
+
+ }
+ } else { // if animation is finished or length not matching, land on right value
+ ret = end;
+ }
+ return ret;
+ }
+};
+
+
+/**
+ * Set the global animation to either a given value, or fall back to the
+ * given chart's animation option
+ * @param {Object} animation
+ * @param {Object} chart
+ */
+function setAnimation(animation, chart) {
+ globalAnimation = pick(animation, chart.animation);
+}
+
+
+
+// check for a custom HighchartsAdapter defined prior to this file
+var globalAdapter = win.HighchartsAdapter,
+ adapter = globalAdapter || {},
+
+ // Utility functions. If the HighchartsAdapter is not defined, adapter is an empty object
+ // and all the utility functions will be null. In that case they are populated by the
+ // default adapters below.
+ adapterRun = adapter.adapterRun,
+ getScript = adapter.getScript,
+ each = adapter.each,
+ grep = adapter.grep,
+ offset = adapter.offset,
+ map = adapter.map,
+ merge = adapter.merge,
+ addEvent = adapter.addEvent,
+ removeEvent = adapter.removeEvent,
+ fireEvent = adapter.fireEvent,
+ washMouseEvent = adapter.washMouseEvent,
+ animate = adapter.animate,
+ stop = adapter.stop;
+
+/*
+ * Define the adapter for frameworks. If an external adapter is not defined,
+ * Highcharts reverts to the built-in jQuery adapter.
+ */
+if (globalAdapter && globalAdapter.init) {
+ // Initialize the adapter with the pathAnim object that takes care
+ // of path animations.
+ globalAdapter.init(pathAnim);
+}
+if (!globalAdapter && win.jQuery) {
+ var jQ = jQuery;
+
+ /**
+ * Downloads a script and executes a callback when done.
+ * @param {String} scriptLocation
+ * @param {Function} callback
+ */
+ getScript = jQ.getScript;
+
+ /**
+ * A direct link to jQuery methods. MooTools and Prototype adapters must be implemented for each case of method.
+ * @param {Object} elem The HTML element
+ * @param {String} method Which method to run on the wrapped element
+ */
+ adapterRun = function (elem, method) {
+ return jQ(elem)[method]();
+ };
+
+ /**
+ * Utility for iterating over an array. Parameters are reversed compared to jQuery.
+ * @param {Array} arr
+ * @param {Function} fn
+ */
+ each = function (arr, fn) {
+ var i = 0,
+ len = arr.length;
+ for (; i < len; i++) {
+ if (fn.call(arr[i], arr[i], i, arr) === false) {
+ return i;
+ }
+ }
+ };
+
+ /**
+ * Filter an array
+ */
+ grep = jQ.grep;
+
+ /**
+ * Map an array
+ * @param {Array} arr
+ * @param {Function} fn
+ */
+ map = function (arr, fn) {
+ //return jQuery.map(arr, fn);
+ var results = [],
+ i = 0,
+ len = arr.length;
+ for (; i < len; i++) {
+ results[i] = fn.call(arr[i], arr[i], i, arr);
+ }
+ return results;
+
+ };
+
+ /**
+ * Deep merge two objects and return a third object
+ */
+ merge = function () {
+ var args = arguments;
+ return jQ.extend(true, null, args[0], args[1], args[2], args[3]);
+ };
+
+ /**
+ * Get the position of an element relative to the top left of the page
+ */
+ offset = function (el) {
+ return jQ(el).offset();
+ };
+
+ /**
+ * Add an event listener
+ * @param {Object} el A HTML element or custom object
+ * @param {String} event The event type
+ * @param {Function} fn The event handler
+ */
+ addEvent = function (el, event, fn) {
+ jQ(el).bind(event, fn);
+ };
+
+ /**
+ * Remove event added with addEvent
+ * @param {Object} el The object
+ * @param {String} eventType The event type. Leave blank to remove all events.
+ * @param {Function} handler The function to remove
+ */
+ removeEvent = function (el, eventType, handler) {
+ // workaround for jQuery issue with unbinding custom events:
+ // http://forum.jquery.com/topic/javascript-error-when-unbinding-a-custom-event-using-jquery-1-4-2
+ var func = doc.removeEventListener ? 'removeEventListener' : 'detachEvent';
+ if (doc[func] && !el[func]) {
+ el[func] = function () {};
+ }
+
+ jQ(el).unbind(eventType, handler);
+ };
+
+ /**
+ * Fire an event on a custom object
+ * @param {Object} el
+ * @param {String} type
+ * @param {Object} eventArguments
+ * @param {Function} defaultFunction
+ */
+ fireEvent = function (el, type, eventArguments, defaultFunction) {
+ var event = jQ.Event(type),
+ detachedType = 'detached' + type,
+ defaultPrevented;
+
+ // Remove warnings in Chrome when accessing layerX and layerY. Although Highcharts
+ // never uses these properties, Chrome includes them in the default click event and
+ // raises the warning when they are copied over in the extend statement below.
+ //
+ // To avoid problems in IE (see #1010) where we cannot delete the properties and avoid
+ // testing if they are there (warning in chrome) the only option is to test if running IE.
+ if (!isIE && eventArguments) {
+ delete eventArguments.layerX;
+ delete eventArguments.layerY;
+ }
+
+ extend(event, eventArguments);
+
+ // Prevent jQuery from triggering the object method that is named the
+ // same as the event. For example, if the event is 'select', jQuery
+ // attempts calling el.select and it goes into a loop.
+ if (el[type]) {
+ el[detachedType] = el[type];
+ el[type] = null;
+ }
+
+ // Wrap preventDefault and stopPropagation in try/catch blocks in
+ // order to prevent JS errors when cancelling events on non-DOM
+ // objects. #615.
+ each(['preventDefault', 'stopPropagation'], function (fn) {
+ var base = event[fn];
+ event[fn] = function () {
+ try {
+ base.call(event);
+ } catch (e) {
+ if (fn === 'preventDefault') {
+ defaultPrevented = true;
+ }
+ }
+ };
+ });
+
+ // trigger it
+ jQ(el).trigger(event);
+
+ // attach the method
+ if (el[detachedType]) {
+ el[type] = el[detachedType];
+ el[detachedType] = null;
+ }
+
+ if (defaultFunction && !event.isDefaultPrevented() && !defaultPrevented) {
+ defaultFunction(event);
+ }
+ };
+
+ /**
+ * Extension method needed for MooTools
+ */
+ washMouseEvent = function (e) {
+ return e;
+ };
+
+ /**
+ * Animate a HTML element or SVG element wrapper
+ * @param {Object} el
+ * @param {Object} params
+ * @param {Object} options jQuery-like animation options: duration, easing, callback
+ */
+ animate = function (el, params, options) {
+ var $el = jQ(el);
+ if (params.d) {
+ el.toD = params.d; // keep the array form for paths, used in jQ.fx.step.d
+ params.d = 1; // because in jQuery, animating to an array has a different meaning
+ }
+
+ $el.stop();
+ $el.animate(params, options);
+
+ };
+ /**
+ * Stop running animation
+ */
+ stop = function (el) {
+ jQ(el).stop();
+ };
+
+
+ //=== Extend jQuery on init
+
+ /*jslint unparam: true*//* allow unused param x in this function */
+ jQ.extend(jQ.easing, {
+ easeOutQuad: function (x, t, b, c, d) {
+ return -c * (t /= d) * (t - 2) + b;
+ }
+ });
+ /*jslint unparam: false*/
+
+ // extend the animate function to allow SVG animations
+ var jFx = jQ.fx,
+ jStep = jFx.step;
+
+ // extend some methods to check for elem.attr, which means it is a Highcharts SVG object
+ each(['cur', '_default', 'width', 'height'], function (fn, i) {
+ var obj = jStep,
+ base,
+ elem;
+
+ // Handle different parent objects
+ if (fn === 'cur') {
+ obj = jFx.prototype; // 'cur', the getter, relates to jFx.prototype
+
+ } else if (fn === '_default' && jQ.Tween) { // jQuery 1.8 model
+ obj = jQ.Tween.propHooks[fn];
+ fn = 'set';
+ }
+
+ // Overwrite the method
+ base = obj[fn];
+ if (base) { // step.width and step.height don't exist in jQuery < 1.7
+
+ // create the extended function replacement
+ obj[fn] = function (fx) {
+
+ // jFx.prototype.cur does not use fx argument
+ fx = i ? fx : this;
+
+ // shortcut
+ elem = fx.elem;
+
+ // jFX.prototype.cur returns the current value. The other ones are setters
+ // and returning a value has no effect.
+ return elem.attr ? // is SVG element wrapper
+ elem.attr(fx.prop, fn === 'cur' ? UNDEFINED : fx.now) : // apply the SVG wrapper's method
+ base.apply(this, arguments); // use jQuery's built-in method
+ };
+ }
+ });
+
+ // animate paths
+ jStep.d = function (fx) {
+ var elem = fx.elem;
+
+
+ // Normally start and end should be set in state == 0, but sometimes,
+ // for reasons unknown, this doesn't happen. Perhaps state == 0 is skipped
+ // in these cases
+ if (!fx.started) {
+ var ends = pathAnim.init(elem, elem.d, elem.toD);
+ fx.start = ends[0];
+ fx.end = ends[1];
+ fx.started = true;
+ }
+
+
+ // interpolate each value of the path
+ elem.attr('d', pathAnim.step(fx.start, fx.end, fx.pos, elem.toD));
+
+ };
+}
+
+/* ****************************************************************************
+ * Handle the options *
+ *****************************************************************************/
+var
+
+defaultLabelOptions = {
+ enabled: true,
+ // rotation: 0,
+ align: 'center',
+ x: 0,
+ y: 15,
+ /*formatter: function () {
+ return this.value;
+ },*/
+ style: {
+ color: '#666',
+ fontSize: '11px',
+ lineHeight: '14px'
+ }
+};
+
+defaultOptions = {
+ colors: ['#4572A7', '#AA4643', '#89A54E', '#80699B', '#3D96AE',
+ '#DB843D', '#92A8CD', '#A47D7C', '#B5CA92'],
+ symbols: ['circle', 'diamond', 'square', 'triangle', 'triangle-down'],
+ lang: {
+ loading: 'Loading...',
+ months: ['January', 'February', 'March', 'April', 'May', 'June', 'July',
+ 'August', 'September', 'October', 'November', 'December'],
+ shortMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
+ weekdays: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
+ decimalPoint: '.',
+ resetZoom: 'Reset zoom',
+ resetZoomTitle: 'Reset zoom level 1:1',
+ thousandsSep: ','
+ },
+ global: {
+ useUTC: true,
+ canvasToolsURL: 'http://code.highcharts.com/2.2.5/modules/canvas-tools.js'
+ },
+ chart: {
+ //animation: true,
+ //alignTicks: false,
+ //reflow: true,
+ //className: null,
+ //events: { load, selection },
+ //margin: [null],
+ //marginTop: null,
+ //marginRight: null,
+ //marginBottom: null,
+ //marginLeft: null,
+ borderColor: '#4572A7',
+ //borderWidth: 0,
+ borderRadius: 5,
+ defaultSeriesType: 'line',
+ ignoreHiddenSeries: true,
+ //inverted: false,
+ //shadow: false,
+ spacingTop: 10,
+ spacingRight: 10,
+ spacingBottom: 15,
+ spacingLeft: 10,
+ style: {
+ fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Verdana, Arial, Helvetica, sans-serif', // default font
+ fontSize: '12px'
+ },
+ backgroundColor: '#FFFFFF',
+ //plotBackgroundColor: null,
+ plotBorderColor: '#C0C0C0',
+ //plotBorderWidth: 0,
+ //plotShadow: false,
+ //zoomType: ''
+ resetZoomButton: {
+ theme: {
+ zIndex: 20
+ },
+ position: {
+ align: 'right',
+ x: -10,
+ //verticalAlign: 'top',
+ y: 10
+ }
+ // relativeTo: 'plot'
+ }
+ },
+ title: {
+ text: 'Chart title',
+ align: 'center',
+ // floating: false,
+ // margin: 15,
+ // x: 0,
+ // verticalAlign: 'top',
+ y: 15,
+ style: {
+ color: '#3E576F',
+ fontSize: '16px'
+ }
+
+ },
+ subtitle: {
+ text: '',
+ align: 'center',
+ // floating: false
+ // x: 0,
+ // verticalAlign: 'top',
+ y: 30,
+ style: {
+ color: '#6D869F'
+ }
+ },
+
+ plotOptions: {
+ line: { // base series options
+ allowPointSelect: false,
+ showCheckbox: false,
+ animation: {
+ duration: 1000
+ },
+ //connectNulls: false,
+ //cursor: 'default',
+ //clip: true,
+ //dashStyle: null,
+ //enableMouseTracking: true,
+ events: {},
+ //legendIndex: 0,
+ lineWidth: 2,
+ shadow: true,
+ // stacking: null,
+ marker: {
+ enabled: true,
+ //symbol: null,
+ lineWidth: 0,
+ radius: 4,
+ lineColor: '#FFFFFF',
+ //fillColor: null,
+ states: { // states for a single point
+ hover: {
+ //radius: base + 2
+ },
+ select: {
+ fillColor: '#FFFFFF',
+ lineColor: '#000000',
+ lineWidth: 2
+ }
+ }
+ },
+ point: {
+ events: {}
+ },
+ dataLabels: merge(defaultLabelOptions, {
+ enabled: false,
+ y: -6,
+ formatter: function () {
+ return this.y;
+ }
+ // backgroundColor: undefined,
+ // borderColor: undefined,
+ // borderRadius: undefined,
+ // borderWidth: undefined,
+ // padding: 3,
+ // shadow: false
+ }),
+ cropThreshold: 300, // draw points outside the plot area when the number of points is less than this
+ pointRange: 0,
+ //pointStart: 0,
+ //pointInterval: 1,
+ showInLegend: true,
+ states: { // states for the entire series
+ hover: {
+ //enabled: false,
+ //lineWidth: base + 1,
+ marker: {
+ // lineWidth: base + 1,
+ // radius: base + 1
+ }
+ },
+ select: {
+ marker: {}
+ }
+ },
+ stickyTracking: true
+ //tooltip: {
+ //pointFormat: '<span style="color:{series.color}">{series.name}</span>: <b>{point.y}</b>'
+ //valueDecimals: null,
+ //xDateFormat: '%A, %b %e, %Y',
+ //valuePrefix: '',
+ //ySuffix: ''
+ //}
+ // turboThreshold: 1000
+ // zIndex: null
+ }
+ },
+ labels: {
+ //items: [],
+ style: {
+ //font: defaultFont,
+ position: ABSOLUTE,
+ color: '#3E576F'
+ }
+ },
+ legend: {
+ enabled: true,
+ align: 'center',
+ //floating: false,
+ layout: 'horizontal',
+ labelFormatter: function () {
+ return this.name;
+ },
+ borderWidth: 1,
+ borderColor: '#909090',
+ borderRadius: 5,
+ navigation: {
+ // animation: true,
+ activeColor: '#3E576F',
+ // arrowSize: 12
+ inactiveColor: '#CCC'
+ // style: {} // text styles
+ },
+ // margin: 10,
+ // reversed: false,
+ shadow: false,
+ // backgroundColor: null,
+ /*style: {
+ padding: '5px'
+ },*/
+ itemStyle: {
+ cursor: 'pointer',
+ color: '#3E576F',
+ fontSize: '12px'
+ },
+ itemHoverStyle: {
+ //cursor: 'pointer', removed as of #601
+ color: '#000'
+ },
+ itemHiddenStyle: {
+ color: '#CCC'
+ },
+ itemCheckboxStyle: {
+ position: ABSOLUTE,
+ width: '13px', // for IE precision
+ height: '13px'
+ },
+ // itemWidth: undefined,
+ symbolWidth: 16,
+ symbolPadding: 5,
+ verticalAlign: 'bottom',
+ // width: undefined,
+ x: 0,
+ y: 0
+ },
+
+ loading: {
+ // hideDuration: 100,
+ labelStyle: {
+ fontWeight: 'bold',
+ position: RELATIVE,
+ top: '1em'
+ },
+ // showDuration: 0,
+ style: {
+ position: ABSOLUTE,
+ backgroundColor: 'white',
+ opacity: 0.5,
+ textAlign: 'center'
+ }
+ },
+
+ tooltip: {
+ enabled: true,
+ //crosshairs: null,
+ backgroundColor: 'rgba(255, 255, 255, .85)',
+ borderWidth: 2,
+ borderRadius: 5,
+ dateTimeLabelFormats: {
+ millisecond: '%A, %b %e, %H:%M:%S.%L',
+ second: '%A, %b %e, %H:%M:%S',
+ minute: '%A, %b %e, %H:%M',
+ hour: '%A, %b %e, %H:%M',
+ day: '%A, %b %e, %Y',
+ week: 'Week from %A, %b %e, %Y',
+ month: '%B %Y',
+ year: '%Y'
+ },
+ //formatter: defaultFormatter,
+ headerFormat: '<span style="font-size: 10px">{point.key}</span><br/>',
+ pointFormat: '<span style="color:{series.color}">{series.name}</span>: <b>{point.y}</b><br/>',
+ shadow: true,
+ shared: useCanVG,
+ snap: hasTouch ? 25 : 10,
+ style: {
+ color: '#333333',
+ fontSize: '12px',
+ padding: '5px',
+ whiteSpace: 'nowrap'
+ }
+ //xDateFormat: '%A, %b %e, %Y',
+ //valueDecimals: null,
+ //valuePrefix: '',
+ //valueSuffix: ''
+ },
+
+ credits: {
+ enabled: true,
+ text: 'Highcharts.com',
+ href: 'http://www.highcharts.com',
+ position: {
+ align: 'right',
+ x: -10,
+ verticalAlign: 'bottom',
+ y: -5
+ },
+ style: {
+ cursor: 'pointer',
+ color: '#909090',
+ fontSize: '10px'
+ }
+ }
+};
+
+
+
+
+// Series defaults
+var defaultPlotOptions = defaultOptions.plotOptions,
+ defaultSeriesOptions = defaultPlotOptions.line;
+
+// set the default time methods
+setTimeMethods();
+
+
+
+/**
+ * Set the time methods globally based on the useUTC option. Time method can be either
+ * local time or UTC (default).
+ */
+function setTimeMethods() {
+ var useUTC = defaultOptions.global.useUTC,
+ GET = useUTC ? 'getUTC' : 'get',
+ SET = useUTC ? 'setUTC' : 'set';
+
+ makeTime = useUTC ? Date.UTC : function (year, month, date, hours, minutes, seconds) {
+ return new Date(
+ year,
+ month,
+ pick(date, 1),
+ pick(hours, 0),
+ pick(minutes, 0),
+ pick(seconds, 0)
+ ).getTime();
+ };
+ getMinutes = GET + 'Minutes';
+ getHours = GET + 'Hours';
+ getDay = GET + 'Day';
+ getDate = GET + 'Date';
+ getMonth = GET + 'Month';
+ getFullYear = GET + 'FullYear';
+ setMinutes = SET + 'Minutes';
+ setHours = SET + 'Hours';
+ setDate = SET + 'Date';
+ setMonth = SET + 'Month';
+ setFullYear = SET + 'FullYear';
+
+}
+
+/**
+ * Merge the default options with custom options and return the new options structure
+ * @param {Object} options The new custom options
+ */
+function setOptions(options) {
+
+ // Pull out axis options and apply them to the respective default axis options
+ /*defaultXAxisOptions = merge(defaultXAxisOptions, options.xAxis);
+ defaultYAxisOptions = merge(defaultYAxisOptions, options.yAxis);
+ options.xAxis = options.yAxis = UNDEFINED;*/
+
+ // Merge in the default options
+ defaultOptions = merge(defaultOptions, options);
+
+ // Apply UTC
+ setTimeMethods();
+
+ return defaultOptions;
+}
+
+/**
+ * Get the updated default options. Merely exposing defaultOptions for outside modules
+ * isn't enough because the setOptions method creates a new object.
+ */
+function getOptions() {
+ return defaultOptions;
+}
+
+
+
+/**
+ * Handle color operations. The object methods are chainable.
+ * @param {String} input The input color in either rbga or hex format
+ */
+var Color = function (input) {
+ // declare variables
+ var rgba = [], result;
+
+ /**
+ * Parse the input color to rgba array
+ * @param {String} input
+ */
+ function init(input) {
+
+ // rgba
+ result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]?(?:\.[0-9]+)?)\s*\)/.exec(input);
+ if (result) {
+ rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), parseFloat(result[4], 10)];
+ } else { // hex
+ result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(input);
+ if (result) {
+ rgba = [pInt(result[1], 16), pInt(result[2], 16), pInt(result[3], 16), 1];
+ }
+ }
+
+ }
+ /**
+ * Return the color a specified format
+ * @param {String} format
+ */
+ function get(format) {
+ var ret;
+
+ // it's NaN if gradient colors on a column chart
+ if (rgba && !isNaN(rgba[0])) {
+ if (format === 'rgb') {
+ ret = 'rgb(' + rgba[0] + ',' + rgba[1] + ',' + rgba[2] + ')';
+ } else if (format === 'a') {
+ ret = rgba[3];
+ } else {
+ ret = 'rgba(' + rgba.join(',') + ')';
+ }
+ } else {
+ ret = input;
+ }
+ return ret;
+ }
+
+ /**
+ * Brighten the color
+ * @param {Number} alpha
+ */
+ function brighten(alpha) {
+ if (isNumber(alpha) && alpha !== 0) {
+ var i;
+ for (i = 0; i < 3; i++) {
+ rgba[i] += pInt(alpha * 255);
+
+ if (rgba[i] < 0) {
+ rgba[i] = 0;
+ }
+ if (rgba[i] > 255) {
+ rgba[i] = 255;
+ }
+ }
+ }
+ return this;
+ }
+ /**
+ * Set the color's opacity to a given alpha value
+ * @param {Number} alpha
+ */
+ function setOpacity(alpha) {
+ rgba[3] = alpha;
+ return this;
+ }
+
+ // initialize: parse the input
+ init(input);
+
+ // public methods
+ return {
+ get: get,
+ brighten: brighten,
+ setOpacity: setOpacity
+ };
+};
+
+
+/**
+ * A wrapper object for SVG elements
+ */
+function SVGElement() {}
+
+SVGElement.prototype = {
+ /**
+ * Initialize the SVG renderer
+ * @param {Object} renderer
+ * @param {String} nodeName
+ */
+ init: function (renderer, nodeName) {
+ var wrapper = this;
+ wrapper.element = nodeName === 'span' ?
+ createElement(nodeName) :
+ doc.createElementNS(SVG_NS, nodeName);
+ wrapper.renderer = renderer;
+ /**
+ * A collection of attribute setters. These methods, if defined, are called right before a certain
+ * attribute is set on an element wrapper. Returning false prevents the default attribute
+ * setter to run. Returning a value causes the default setter to set that value. Used in
+ * Renderer.label.
+ */
+ wrapper.attrSetters = {};
+ },
+ /**
+ * Animate a given attribute
+ * @param {Object} params
+ * @param {Number} options The same options as in jQuery animation
+ * @param {Function} complete Function to perform at the end of animation
+ */
+ animate: function (params, options, complete) {
+ var animOptions = pick(options, globalAnimation, true);
+ stop(this); // stop regardless of animation actually running, or reverting to .attr (#607)
+ if (animOptions) {
+ animOptions = merge(animOptions);
+ if (complete) { // allows using a callback with the global animation without overwriting it
+ animOptions.complete = complete;
+ }
+ animate(this, params, animOptions);
+ } else {
+ this.attr(params);
+ if (complete) {
+ complete();
+ }
+ }
+ },
+ /**
+ * Set or get a given attribute
+ * @param {Object|String} hash
+ * @param {Mixed|Undefined} val
+ */
+ attr: function (hash, val) {
+ var wrapper = this,
+ key,
+ value,
+ result,
+ i,
+ child,
+ element = wrapper.element,
+ nodeName = element.nodeName,
+ renderer = wrapper.renderer,
+ skipAttr,
+ titleNode,
+ attrSetters = wrapper.attrSetters,
+ shadows = wrapper.shadows,
+ hasSetSymbolSize,
+ doTransform,
+ ret = wrapper;
+
+ // single key-value pair
+ if (isString(hash) && defined(val)) {
+ key = hash;
+ hash = {};
+ hash[key] = val;
+ }
+
+ // used as a getter: first argument is a string, second is undefined
+ if (isString(hash)) {
+ key = hash;
+ if (nodeName === 'circle') {
+ key = { x: 'cx', y: 'cy' }[key] || key;
+ } else if (key === 'strokeWidth') {
+ key = 'stroke-width';
+ }
+ ret = attr(element, key) || wrapper[key] || 0;
+
+ if (key !== 'd' && key !== 'visibility') { // 'd' is string in animation step
+ ret = parseFloat(ret);
+ }
+
+ // setter
+ } else {
+
+ for (key in hash) {
+ skipAttr = false; // reset
+ value = hash[key];
+
+ // check for a specific attribute setter
+ result = attrSetters[key] && attrSetters[key](value, key);
+
+ if (result !== false) {
+ if (result !== UNDEFINED) {
+ value = result; // the attribute setter has returned a new value to set
+ }
+
+ // paths
+ if (key === 'd') {
+ if (value && value.join) { // join path
+ value = value.join(' ');
+ }
+ if (/(NaN| {2}|^$)/.test(value)) {
+ value = 'M 0 0';
+ }
+ //wrapper.d = value; // shortcut for animations
+
+ // update child tspans x values
+ } else if (key === 'x' && nodeName === 'text') {
+ for (i = 0; i < element.childNodes.length; i++) {
+ child = element.childNodes[i];
+ // if the x values are equal, the tspan represents a linebreak
+ if (attr(child, 'x') === attr(element, 'x')) {
+ //child.setAttribute('x', value);
+ attr(child, 'x', value);
+ }
+ }
+
+ if (wrapper.rotation) {
+ attr(element, 'transform', 'rotate(' + wrapper.rotation + ' ' + value + ' ' +
+ pInt(hash.y || attr(element, 'y')) + ')');
+ }
+
+ // apply gradients
+ } else if (key === 'fill') {
+ value = renderer.color(value, element, key);
+
+ // circle x and y
+ } else if (nodeName === 'circle' && (key === 'x' || key === 'y')) {
+ key = { x: 'cx', y: 'cy' }[key] || key;
+
+ // rectangle border radius
+ } else if (nodeName === 'rect' && key === 'r') {
+ attr(element, {
+ rx: value,
+ ry: value
+ });
+ skipAttr = true;
+
+ // translation and text rotation
+ } else if (key === 'translateX' || key === 'translateY' || key === 'rotation' || key === 'verticalAlign') {
+ doTransform = true;
+ skipAttr = true;
+
+ // apply opacity as subnode (required by legacy WebKit and Batik)
+ } else if (key === 'stroke') {
+ value = renderer.color(value, element, key);
+
+ // emulate VML's dashstyle implementation
+ } else if (key === 'dashstyle') {
+ key = 'stroke-dasharray';
+ value = value && value.toLowerCase();
+ if (value === 'solid') {
+ value = NONE;
+ } else if (value) {
+ value = value
+ .replace('shortdashdotdot', '3,1,1,1,1,1,')
+ .replace('shortdashdot', '3,1,1,1')
+ .replace('shortdot', '1,1,')
+ .replace('shortdash', '3,1,')
+ .replace('longdash', '8,3,')
+ .replace(/dot/g, '1,3,')
+ .replace('dash', '4,3,')
+ .replace(/,$/, '')
+ .split(','); // ending comma
+
+ i = value.length;
+ while (i--) {
+ value[i] = pInt(value[i]) * hash['stroke-width'];
+ }
+ value = value.join(',');
+ }
+
+ // special
+ } else if (key === 'isTracker') {
+ wrapper[key] = value;
+
+ // IE9/MooTools combo: MooTools returns objects instead of numbers and IE9 Beta 2
+ // is unable to cast them. Test again with final IE9.
+ } else if (key === 'width') {
+ value = pInt(value);
+
+ // Text alignment
+ } else if (key === 'align') {
+ key = 'text-anchor';
+ value = { left: 'start', center: 'middle', right: 'end' }[value];
+
+ // Title requires a subnode, #431
+ } else if (key === 'title') {
+ titleNode = element.getElementsByTagName('title')[0];
+ if (!titleNode) {
+ titleNode = doc.createElementNS(SVG_NS, 'title');
+ element.appendChild(titleNode);
+ }
+ titleNode.textContent = value;
+ }
+
+ // jQuery animate changes case
+ if (key === 'strokeWidth') {
+ key = 'stroke-width';
+ }
+
+ // Chrome/Win < 6 bug (http://code.google.com/p/chromium/issues/detail?id=15461)
+ if (isWebKit && key === 'stroke-width' && value === 0) {
+ value = 0.000001;
+ }
+
+ // symbols
+ if (wrapper.symbolName && /^(x|y|width|height|r|start|end|innerR|anchorX|anchorY)/.test(key)) {
+
+
+ if (!hasSetSymbolSize) {
+ wrapper.symbolAttr(hash);
+ hasSetSymbolSize = true;
+ }
+ skipAttr = true;
+ }
+
+ // let the shadow follow the main element
+ if (shadows && /^(width|height|visibility|x|y|d|transform)$/.test(key)) {
+ i = shadows.length;
+ while (i--) {
+ attr(
+ shadows[i],
+ key,
+ key === 'height' ?
+ mathMax(value - (shadows[i].cutHeight || 0), 0) :
+ value
+ );
+ }
+ }
+
+ // validate heights
+ if ((key === 'width' || key === 'height') && nodeName === 'rect' && value < 0) {
+ value = 0;
+ }
+
+ // Record for animation and quick access without polling the DOM
+ wrapper[key] = value;
+
+ // Update transform
+ if (doTransform) {
+ wrapper.updateTransform();
+ }
+
+
+ if (key === 'text') {
+ // only one node allowed
+ wrapper.textStr = value;
+ if (wrapper.added) {
+ renderer.buildText(wrapper);
+ }
+ } else if (!skipAttr) {
+ attr(element, key, value);
+ }
+
+ }
+
+ }
+
+ }
+
+ // Workaround for our #732, WebKit's issue https://bugs.webkit.org/show_bug.cgi?id=78385
+ // TODO: If the WebKit team fix this bug before the final release of Chrome 18, remove the workaround.
+ if (isWebKit && /Chrome\/(18|19)/.test(userAgent)) {
+ if (nodeName === 'text' && (hash.x !== UNDEFINED || hash.y !== UNDEFINED)) {
+ var parent = element.parentNode,
+ next = element.nextSibling;
+
+ if (parent) {
+ parent.removeChild(element);
+ if (next) {
+ parent.insertBefore(element, next);
+ } else {
+ parent.appendChild(element);
+ }
+ }
+ }
+ }
+ // End of workaround for #732
+
+ return ret;
+ },
+
+ /**
+ * If one of the symbol size affecting parameters are changed,
+ * check all the others only once for each call to an element's
+ * .attr() method
+ * @param {Object} hash
+ */
+ symbolAttr: function (hash) {
+ var wrapper = this;
+
+ each(['x', 'y', 'r', 'start', 'end', 'width', 'height', 'innerR', 'anchorX', 'anchorY'], function (key) {
+ wrapper[key] = pick(hash[key], wrapper[key]);
+ });
+
+ wrapper.attr({
+ d: wrapper.renderer.symbols[wrapper.symbolName](wrapper.x, wrapper.y, wrapper.width, wrapper.height, wrapper)
+ });
+ },
+
+ /**
+ * Apply a clipping path to this object
+ * @param {String} id
+ */
+ clip: function (clipRect) {
+ return this.attr('clip-path', 'url(' + this.renderer.url + '#' + clipRect.id + ')');
+ },
+
+ /**
+ * Calculate the coordinates needed for drawing a rectangle crisply and return the
+ * calculated attributes
+ * @param {Number} strokeWidth
+ * @param {Number} x
+ * @param {Number} y
+ * @param {Number} width
+ * @param {Number} height
+ */
+ crisp: function (strokeWidth, x, y, width, height) {
+
+ var wrapper = this,
+ key,
+ attribs = {},
+ values = {},
+ normalizer;
+
+ strokeWidth = strokeWidth || wrapper.strokeWidth || (wrapper.attr && wrapper.attr('stroke-width')) || 0;
+ normalizer = mathRound(strokeWidth) % 2 / 2; // mathRound because strokeWidth can sometimes have roundoff errors
+
+ // normalize for crisp edges
+ values.x = mathFloor(x || wrapper.x || 0) + normalizer;
+ values.y = mathFloor(y || wrapper.y || 0) + normalizer;
+ values.width = mathFloor((width || wrapper.width || 0) - 2 * normalizer);
+ values.height = mathFloor((height || wrapper.height || 0) - 2 * normalizer);
+ values.strokeWidth = strokeWidth;
+
+ for (key in values) {
+ if (wrapper[key] !== values[key]) { // only set attribute if changed
+ wrapper[key] = attribs[key] = values[key];
+ }
+ }
+
+ return attribs;
+ },
+
+ /**
+ * Set styles for the element
+ * @param {Object} styles
+ */
+ css: function (styles) {
+ /*jslint unparam: true*//* allow unused param a in the regexp function below */
+ var elemWrapper = this,
+ elem = elemWrapper.element,
+ textWidth = styles && styles.width && elem.nodeName === 'text',
+ n,
+ serializedCss = '',
+ hyphenate = function (a, b) { return '-' + b.toLowerCase(); };
+ /*jslint unparam: false*/
+
+ // convert legacy
+ if (styles && styles.color) {
+ styles.fill = styles.color;
+ }
+
+ // Merge the new styles with the old ones
+ styles = extend(
+ elemWrapper.styles,
+ styles
+ );
+
+ // store object
+ elemWrapper.styles = styles;
+
+ // serialize and set style attribute
+ if (isIE && !hasSVG) { // legacy IE doesn't support setting style attribute
+ if (textWidth) {
+ delete styles.width;
+ }
+ css(elemWrapper.element, styles);
+ } else {
+ for (n in styles) {
+ serializedCss += n.replace(/([A-Z])/g, hyphenate) + ':' + styles[n] + ';';
+ }
+ elemWrapper.attr({
+ style: serializedCss
+ });
+ }
+
+
+ // re-build text
+ if (textWidth && elemWrapper.added) {
+ elemWrapper.renderer.buildText(elemWrapper);
+ }
+
+ return elemWrapper;
+ },
+
+ /**
+ * Add an event listener
+ * @param {String} eventType
+ * @param {Function} handler
+ */
+ on: function (eventType, handler) {
+ var fn = handler;
+ // touch
+ if (hasTouch && eventType === 'click') {
+ eventType = 'touchstart';
+ fn = function (e) {
+ e.preventDefault();
+ handler();
+ };
+ }
+ // simplest possible event model for internal use
+ this.element['on' + eventType] = fn;
+ return this;
+ },
+
+ /**
+ * Set the coordinates needed to draw a consistent radial gradient across
+ * pie slices regardless of positioning inside the chart. The format is
+ * [centerX, centerY, diameter] in pixels.
+ */
+ setRadialReference: function (coordinates) {
+ this.element.radialReference = coordinates;
+ return this;
+ },
+
+ /**
+ * Move an object and its children by x and y values
+ * @param {Number} x
+ * @param {Number} y
+ */
+ translate: function (x, y) {
+ return this.attr({
+ translateX: x,
+ translateY: y
+ });
+ },
+
+ /**
+ * Invert a group, rotate and flip
+ */
+ invert: function () {
+ var wrapper = this;
+ wrapper.inverted = true;
+ wrapper.updateTransform();
+ return wrapper;
+ },
+
+ /**
+ * Apply CSS to HTML elements. This is used in text within SVG rendering and
+ * by the VML renderer
+ */
+ htmlCss: function (styles) {
+ var wrapper = this,
+ element = wrapper.element,
+ textWidth = styles && element.tagName === 'SPAN' && styles.width;
+
+ if (textWidth) {
+ delete styles.width;
+ wrapper.textWidth = textWidth;
+ wrapper.updateTransform();
+ }
+
+ wrapper.styles = extend(wrapper.styles, styles);
+ css(wrapper.element, styles);
+
+ return wrapper;
+ },
+
+
+
+ /**
+ * VML and useHTML method for calculating the bounding box based on offsets
+ * @param {Boolean} refresh Whether to force a fresh value from the DOM or to
+ * use the cached value
+ *
+ * @return {Object} A hash containing values for x, y, width and height
+ */
+
+ htmlGetBBox: function (refresh) {
+ var wrapper = this,
+ element = wrapper.element,
+ bBox = wrapper.bBox;
+
+ // faking getBBox in exported SVG in legacy IE
+ if (!bBox || refresh) {
+ // faking getBBox in exported SVG in legacy IE
+ if (element.nodeName === 'text') {
+ element.style.position = ABSOLUTE;
+ }
+
+ bBox = wrapper.bBox = {
+ x: element.offsetLeft,
+ y: element.offsetTop,
+ width: element.offsetWidth,
+ height: element.offsetHeight
+ };
+ }
+
+ return bBox;
+ },
+
+ /**
+ * VML override private method to update elements based on internal
+ * properties based on SVG transform
+ */
+ htmlUpdateTransform: function () {
+ // aligning non added elements is expensive
+ if (!this.added) {
+ this.alignOnAdd = true;
+ return;
+ }
+
+ var wrapper = this,
+ renderer = wrapper.renderer,
+ elem = wrapper.element,
+ translateX = wrapper.translateX || 0,
+ translateY = wrapper.translateY || 0,
+ x = wrapper.x || 0,
+ y = wrapper.y || 0,
+ align = wrapper.textAlign || 'left',
+ alignCorrection = { left: 0, center: 0.5, right: 1 }[align],
+ nonLeft = align && align !== 'left',
+ shadows = wrapper.shadows;
+
+ // apply translate
+ if (translateX || translateY) {
+ css(elem, {
+ marginLeft: translateX,
+ marginTop: translateY
+ });
+ if (shadows) { // used in labels/tooltip
+ each(shadows, function (shadow) {
+ css(shadow, {
+ marginLeft: translateX + 1,
+ marginTop: translateY + 1
+ });
+ });
+ }
+ }
+
+ // apply inversion
+ if (wrapper.inverted) { // wrapper is a group
+ each(elem.childNodes, function (child) {
+ renderer.invertChild(child, elem);
+ });
+ }
+
+ if (elem.tagName === 'SPAN') {
+
+ var width, height,
+ rotation = wrapper.rotation,
+ baseline,
+ radians = 0,
+ costheta = 1,
+ sintheta = 0,
+ quad,
+ textWidth = pInt(wrapper.textWidth),
+ xCorr = wrapper.xCorr || 0,
+ yCorr = wrapper.yCorr || 0,
+ currentTextTransform = [rotation, align, elem.innerHTML, wrapper.textWidth].join(',');
+
+ if (currentTextTransform !== wrapper.cTT) { // do the calculations and DOM access only if properties changed
+
+ if (defined(rotation)) {
+ radians = rotation * deg2rad; // deg to rad
+ costheta = mathCos(radians);
+ sintheta = mathSin(radians);
+
+ // Adjust for alignment and rotation. Rotation of useHTML content is not yet implemented
+ // but it can probably be implemented for Firefox 3.5+ on user request. FF3.5+
+ // has support for CSS3 transform. The getBBox method also needs to be updated
+ // to compensate for the rotation, like it currently does for SVG.
+ // Test case: http://highcharts.com/tests/?file=text-rotation
+ css(elem, {
+ filter: rotation ? ['progid:DXImageTransform.Microsoft.Matrix(M11=', costheta,
+ ', M12=', -sintheta, ', M21=', sintheta, ', M22=', costheta,
+ ', sizingMethod=\'auto expand\')'].join('') : NONE
+ });
+ }
+
+ width = pick(wrapper.elemWidth, elem.offsetWidth);
+ height = pick(wrapper.elemHeight, elem.offsetHeight);
+
+ // update textWidth
+ if (width > textWidth && /[ \-]/.test(elem.innerText)) { // #983
+ css(elem, {
+ width: textWidth + PX,
+ display: 'block',
+ whiteSpace: 'normal'
+ });
+ width = textWidth;
+ }
+
+ // correct x and y
+ baseline = renderer.fontMetrics(elem.style.fontSize).b;
+ xCorr = costheta < 0 && -width;
+ yCorr = sintheta < 0 && -height;
+
+ // correct for baseline and corners spilling out after rotation
+ quad = costheta * sintheta < 0;
+ xCorr += sintheta * baseline * (quad ? 1 - alignCorrection : alignCorrection);
+ yCorr -= costheta * baseline * (rotation ? (quad ? alignCorrection : 1 - alignCorrection) : 1);
+
+ // correct for the length/height of the text
+ if (nonLeft) {
+ xCorr -= width * alignCorrection * (costheta < 0 ? -1 : 1);
+ if (rotation) {
+ yCorr -= height * alignCorrection * (sintheta < 0 ? -1 : 1);
+ }
+ css(elem, {
+ textAlign: align
+ });
+ }
+
+ // record correction
+ wrapper.xCorr = xCorr;
+ wrapper.yCorr = yCorr;
+ }
+
+ // apply position with correction
+ css(elem, {
+ left: (x + xCorr) + PX,
+ top: (y + yCorr) + PX
+ });
+
+ // record current text transform
+ wrapper.cTT = currentTextTransform;
+ }
+ },
+
+ /**
+ * Private method to update the transform attribute based on internal
+ * properties
+ */
+ updateTransform: function () {
+ var wrapper = this,
+ translateX = wrapper.translateX || 0,
+ translateY = wrapper.translateY || 0,
+ inverted = wrapper.inverted,
+ rotation = wrapper.rotation,
+ transform = [];
+
+ // flipping affects translate as adjustment for flipping around the group's axis
+ if (inverted) {
+ translateX += wrapper.attr('width');
+ translateY += wrapper.attr('height');
+ }
+
+ // apply translate
+ if (translateX || translateY) {
+ transform.push('translate(' + translateX + ',' + translateY + ')');
+ }
+
+ // apply rotation
+ if (inverted) {
+ transform.push('rotate(90) scale(-1,1)');
+ } else if (rotation) { // text rotation
+ transform.push('rotate(' + rotation + ' ' + (wrapper.x || 0) + ' ' + (wrapper.y || 0) + ')');
+ }
+
+ if (transform.length) {
+ attr(wrapper.element, 'transform', transform.join(' '));
+ }
+ },
+ /**
+ * Bring the element to the front
+ */
+ toFront: function () {
+ var element = this.element;
+ element.parentNode.appendChild(element);
+ return this;
+ },
+
+
+ /**
+ * Break down alignment options like align, verticalAlign, x and y
+ * to x and y relative to the chart.
+ *
+ * @param {Object} alignOptions
+ * @param {Boolean} alignByTranslate
+ * @param {Object} box The box to align to, needs a width and height
+ *
+ */
+ align: function (alignOptions, alignByTranslate, box) {
+ var elemWrapper = this;
+
+ if (!alignOptions) { // called on resize
+ alignOptions = elemWrapper.alignOptions;
+ alignByTranslate = elemWrapper.alignByTranslate;
+ } else { // first call on instanciate
+ elemWrapper.alignOptions = alignOptions;
+ elemWrapper.alignByTranslate = alignByTranslate;
+ if (!box) { // boxes other than renderer handle this internally
+ elemWrapper.renderer.alignedObjects.push(elemWrapper);
+ }
+ }
+
+ box = pick(box, elemWrapper.renderer);
+
+ var align = alignOptions.align,
+ vAlign = alignOptions.verticalAlign,
+ x = (box.x || 0) + (alignOptions.x || 0), // default: left align
+ y = (box.y || 0) + (alignOptions.y || 0), // default: top align
+ attribs = {};
+
+
+ // align
+ if (/^(right|center)$/.test(align)) {
+ x += (box.width - (alignOptions.width || 0)) /
+ { right: 1, center: 2 }[align];
+ }
+ attribs[alignByTranslate ? 'translateX' : 'x'] = mathRound(x);
+
+
+ // vertical align
+ if (/^(bottom|middle)$/.test(vAlign)) {
+ y += (box.height - (alignOptions.height || 0)) /
+ ({ bottom: 1, middle: 2 }[vAlign] || 1);
+
+ }
+ attribs[alignByTranslate ? 'translateY' : 'y'] = mathRound(y);
+
+ // animate only if already placed
+ elemWrapper[elemWrapper.placed ? 'animate' : 'attr'](attribs);
+ elemWrapper.placed = true;
+ elemWrapper.alignAttr = attribs;
+
+ return elemWrapper;
+ },
+
+ /**
+ * Get the bounding box (width, height, x and y) for the element
+ */
+ getBBox: function (refresh) {
+ var wrapper = this,
+ bBox,
+ width,
+ height,
+ rotation = wrapper.rotation,
+ element = wrapper.element,
+ rad = rotation * deg2rad;
+
+ // SVG elements
+ if (element.namespaceURI === SVG_NS || wrapper.renderer.forExport) {
+ try { // Fails in Firefox if the container has display: none.
+
+ bBox = element.getBBox ?
+ // SVG: use extend because IE9 is not allowed to change width and height in case
+ // of rotation (below)
+ extend({}, element.getBBox()) :
+ // Canvas renderer and legacy IE in export mode
+ {
+ width: element.offsetWidth,
+ height: element.offsetHeight
+ };
+ } catch (e) {}
+
+ // If the bBox is not set, the try-catch block above failed. The other condition
+ // is for Opera that returns a width of -Infinity on hidden elements.
+ if (!bBox || bBox.width < 0) {
+ bBox = { width: 0, height: 0 };
+ }
+
+ width = bBox.width;
+ height = bBox.height;
+
+ // adjust for rotated text
+ if (rotation) {
+ bBox.width = mathAbs(height * mathSin(rad)) + mathAbs(width * mathCos(rad));
+ bBox.height = mathAbs(height * mathCos(rad)) + mathAbs(width * mathSin(rad));
+ }
+
+ // VML Renderer or useHTML within SVG
+ } else {
+ bBox = wrapper.htmlGetBBox(refresh);
+ }
+
+ return bBox;
+ },
+
+ /**
+ * Show the element
+ */
+ show: function () {
+ return this.attr({ visibility: VISIBLE });
+ },
+
+ /**
+ * Hide the element
+ */
+ hide: function () {
+ return this.attr({ visibility: HIDDEN });
+ },
+
+ /**
+ * Add the element
+ * @param {Object|Undefined} parent Can be an element, an element wrapper or undefined
+ * to append the element to the renderer.box.
+ */
+ add: function (parent) {
+
+ var renderer = this.renderer,
+ parentWrapper = parent || renderer,
+ parentNode = parentWrapper.element || renderer.box,
+ childNodes = parentNode.childNodes,
+ element = this.element,
+ zIndex = attr(element, 'zIndex'),
+ otherElement,
+ otherZIndex,
+ i,
+ inserted;
+
+ // mark as inverted
+ this.parentInverted = parent && parent.inverted;
+
+ // build formatted text
+ if (this.textStr !== undefined) {
+ renderer.buildText(this);
+ }
+
+ // mark the container as having z indexed children
+ if (zIndex) {
+ parentWrapper.handleZ = true;
+ zIndex = pInt(zIndex);
+ }
+
+ // insert according to this and other elements' zIndex
+ if (parentWrapper.handleZ) { // this element or any of its siblings has a z index
+ for (i = 0; i < childNodes.length; i++) {
+ otherElement = childNodes[i];
+ otherZIndex = attr(otherElement, 'zIndex');
+ if (otherElement !== element && (
+ // insert before the first element with a higher zIndex
+ pInt(otherZIndex) > zIndex ||
+ // if no zIndex given, insert before the first element with a zIndex
+ (!defined(zIndex) && defined(otherZIndex))
+
+ )) {
+ parentNode.insertBefore(element, otherElement);
+ inserted = true;
+ break;
+ }
+ }
+ }
+
+ // default: append at the end
+ if (!inserted) {
+ parentNode.appendChild(element);
+ }
+
+ // mark as added
+ this.added = true;
+
+ // fire an event for internal hooks
+ fireEvent(this, 'add');
+
+ return this;
+ },
+
+ /**
+ * Removes a child either by removeChild or move to garbageBin.
+ * Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
+ */
+ safeRemoveChild: function (element) {
+ var parentNode = element.parentNode;
+ if (parentNode) {
+ parentNode.removeChild(element);
+ }
+ },
+
+ /**
+ * Destroy the element and element wrapper
+ */
+ destroy: function () {
+ var wrapper = this,
+ element = wrapper.element || {},
+ shadows = wrapper.shadows,
+ box = wrapper.box,
+ key,
+ i;
+
+ // remove events
+ element.onclick = element.onmouseout = element.onmouseover = element.onmousemove = null;
+ stop(wrapper); // stop running animations
+
+ if (wrapper.clipPath) {
+ wrapper.clipPath = wrapper.clipPath.destroy();
+ }
+
+ // Destroy stops in case this is a gradient object
+ if (wrapper.stops) {
+ for (i = 0; i < wrapper.stops.length; i++) {
+ wrapper.stops[i] = wrapper.stops[i].destroy();
+ }
+ wrapper.stops = null;
+ }
+
+ // remove element
+ wrapper.safeRemoveChild(element);
+
+ // destroy shadows
+ if (shadows) {
+ each(shadows, function (shadow) {
+ wrapper.safeRemoveChild(shadow);
+ });
+ }
+
+ // destroy label box
+ if (box) {
+ box.destroy();
+ }
+
+ // remove from alignObjects
+ erase(wrapper.renderer.alignedObjects, wrapper);
+
+ for (key in wrapper) {
+ delete wrapper[key];
+ }
+
+ return null;
+ },
+
+ /**
+ * Empty a group element
+ */
+ empty: function () {
+ var element = this.element,
+ childNodes = element.childNodes,
+ i = childNodes.length;
+
+ while (i--) {
+ element.removeChild(childNodes[i]);
+ }
+ },
+
+ /**
+ * Add a shadow to the element. Must be done after the element is added to the DOM
+ * @param {Boolean} apply
+ */
+ shadow: function (apply, group, cutOff) {
+ var shadows = [],
+ i,
+ shadow,
+ element = this.element,
+ strokeWidth,
+
+ // compensate for inverted plot area
+ transform = this.parentInverted ? '(-1,-1)' : '(1,1)';
+
+
+ if (apply) {
+ for (i = 1; i <= 3; i++) {
+ shadow = element.cloneNode(0);
+ strokeWidth = 7 - 2 * i;
+ attr(shadow, {
+ 'isShadow': 'true',
+ 'stroke': 'rgb(0, 0, 0)',
+ 'stroke-opacity': 0.05 * i,
+ 'stroke-width': strokeWidth,
+ 'transform': 'translate' + transform,
+ 'fill': NONE
+ });
+ if (cutOff) {
+ attr(shadow, 'height', mathMax(attr(shadow, 'height') - strokeWidth, 0));
+ shadow.cutHeight = strokeWidth;
+ }
+
+ if (group) {
+ group.element.appendChild(shadow);
+ } else {
+ element.parentNode.insertBefore(shadow, element);
+ }
+
+ shadows.push(shadow);
+ }
+
+ this.shadows = shadows;
+ }
+ return this;
+
+ }
+};
+
+
+/**
+ * The default SVG renderer
+ */
+var SVGRenderer = function () {
+ this.init.apply(this, arguments);
+};
+SVGRenderer.prototype = {
+ Element: SVGElement,
+
+ /**
+ * Initialize the SVGRenderer
+ * @param {Object} container
+ * @param {Number} width
+ * @param {Number} height
+ * @param {Boolean} forExport
+ */
+ init: function (container, width, height, forExport) {
+ var renderer = this,
+ loc = location,
+ boxWrapper;
+
+ boxWrapper = renderer.createElement('svg')
+ .attr({
+ xmlns: SVG_NS,
+ version: '1.1'
+ });
+ container.appendChild(boxWrapper.element);
+
+ // object properties
+ renderer.isSVG = true;
+ renderer.box = boxWrapper.element;
+ renderer.boxWrapper = boxWrapper;
+ renderer.alignedObjects = [];
+ renderer.url = isIE ? '' : loc.href.replace(/#.*?$/, '')
+ .replace(/([\('\)])/g, '\\$1'); // Page url used for internal references. #24, #672.
+ renderer.defs = this.createElement('defs').add();
+ renderer.forExport = forExport;
+ renderer.gradients = {}; // Object where gradient SvgElements are stored
+
+ renderer.setSize(width, height, false);
+
+
+
+ // Issue 110 workaround:
+ // In Firefox, if a div is positioned by percentage, its pixel position may land
+ // between pixels. The container itself doesn't display this, but an SVG element
+ // inside this container will be drawn at subpixel precision. In order to draw
+ // sharp lines, this must be compensated for. This doesn't seem to work inside
+ // iframes though (like in jsFiddle).
+ var subPixelFix, rect;
+ if (isFirefox && container.getBoundingClientRect) {
+ renderer.subPixelFix = subPixelFix = function () {
+ css(container, { left: 0, top: 0 });
+ rect = container.getBoundingClientRect();
+ css(container, {
+ left: (mathCeil(rect.left) - rect.left) + PX,
+ top: (mathCeil(rect.top) - rect.top) + PX
+ });
+ };
+
+ // run the fix now
+ subPixelFix();
+
+ // run it on resize
+ addEvent(win, 'resize', subPixelFix);
+ }
+ },
+
+ /**
+ * Detect whether the renderer is hidden. This happens when one of the parent elements
+ * has display: none. #608.
+ */
+ isHidden: function () {
+ return !this.boxWrapper.getBBox().width;
+ },
+
+ /**
+ * Destroys the renderer and its allocated members.
+ */
+ destroy: function () {
+ var renderer = this,
+ rendererDefs = renderer.defs;
+ renderer.box = null;
+ renderer.boxWrapper = renderer.boxWrapper.destroy();
+
+ // Call destroy on all gradient elements
+ destroyObjectProperties(renderer.gradients || {});
+ renderer.gradients = null;
+
+ // Defs are null in VMLRenderer
+ // Otherwise, destroy them here.
+ if (rendererDefs) {
+ renderer.defs = rendererDefs.destroy();
+ }
+
+ // Remove sub pixel fix handler
+ // We need to check that there is a handler, otherwise all functions that are registered for event 'resize' are removed
+ // See issue #982
+ if (renderer.subPixelFix) {
+ removeEvent(win, 'resize', renderer.subPixelFix);
+ }
+
+ renderer.alignedObjects = null;
+
+ return null;
+ },
+
+ /**
+ * Create a wrapper for an SVG element
+ * @param {Object} nodeName
+ */
+ createElement: function (nodeName) {
+ var wrapper = new this.Element();
+ wrapper.init(this, nodeName);
+ return wrapper;
+ },
+
+ /**
+ * Dummy function for use in canvas renderer
+ */
+ draw: function () {},
+
+ /**
+ * Parse a simple HTML string into SVG tspans
+ *
+ * @param {Object} textNode The parent text SVG node
+ */
+ buildText: function (wrapper) {
+ var textNode = wrapper.element,
+ lines = pick(wrapper.textStr, '').toString()
+ .replace(/<(b|strong)>/g, '<span style="font-weight:bold">')
+ .replace(/<(i|em)>/g, '<span style="font-style:italic">')
+ .replace(/<a/g, '<span')
+ .replace(/<\/(b|strong|i|em|a)>/g, '</span>')
+ .split(/<br.*?>/g),
+ childNodes = textNode.childNodes,
+ styleRegex = /style="([^"]+)"/,
+ hrefRegex = /href="([^"]+)"/,
+ parentX = attr(textNode, 'x'),
+ textStyles = wrapper.styles,
+ width = textStyles && pInt(textStyles.width),
+ textLineHeight = textStyles && textStyles.lineHeight,
+ lastLine,
+ GET_COMPUTED_STYLE = 'getComputedStyle',
+ i = childNodes.length,
+ linePositions = [];
+
+ // Needed in IE9 because it doesn't report tspan's offsetHeight (#893)
+ function getLineHeightByBBox(lineNo) {
+ linePositions[lineNo] = textNode.getBBox().height;
+ return mathRound(linePositions[lineNo] - (linePositions[lineNo - 1] || 0));
+ }
+
+ // remove old text
+ while (i--) {
+ textNode.removeChild(childNodes[i]);
+ }
+
+ if (width && !wrapper.added) {
+ this.box.appendChild(textNode); // attach it to the DOM to read offset width
+ }
+
+ // remove empty line at end
+ if (lines[lines.length - 1] === '') {
+ lines.pop();
+ }
+
+ // build the lines
+ each(lines, function (line, lineNo) {
+ var spans, spanNo = 0, lineHeight;
+
+ line = line.replace(/<span/g, '|||<span').replace(/<\/span>/g, '</span>|||');
+ spans = line.split('|||');
+
+ each(spans, function (span) {
+ if (span !== '' || spans.length === 1) {
+ var attributes = {},
+ tspan = doc.createElementNS(SVG_NS, 'tspan');
+ if (styleRegex.test(span)) {
+ attr(
+ tspan,
+ 'style',
+ span.match(styleRegex)[1].replace(/(;| |^)color([ :])/, '$1fill$2')
+ );
+ }
+ if (hrefRegex.test(span)) {
+ attr(tspan, 'onclick', 'location.href=\"' + span.match(hrefRegex)[1] + '\"');
+ css(tspan, { cursor: 'pointer' });
+ }
+
+ span = (span.replace(/<(.|\n)*?>/g, '') || ' ')
+ .replace(/</g, '<')
+ .replace(/>/g, '>');
+
+ // issue #38 workaround.
+ /*if (reverse) {
+ arr = [];
+ i = span.length;
+ while (i--) {
+ arr.push(span.charAt(i));
+ }
+ span = arr.join('');
+ }*/
+
+ // add the text node
+ tspan.appendChild(doc.createTextNode(span));
+
+ if (!spanNo) { // first span in a line, align it to the left
+ attributes.x = parentX;
+ } else {
+ // Firefox ignores spaces at the front or end of the tspan
+ attributes.dx = 3; // space
+ }
+
+ // first span on subsequent line, add the line height
+ if (!spanNo) {
+ if (lineNo) {
+
+ // allow getting the right offset height in exporting in IE
+ if (!hasSVG && wrapper.renderer.forExport) {
+ css(tspan, { display: 'block' });
+ }
+
+ // Webkit and opera sometimes return 'normal' as the line height. In that
+ // case, webkit uses offsetHeight, while Opera falls back to 18
+ lineHeight = win[GET_COMPUTED_STYLE] &&
+ pInt(win[GET_COMPUTED_STYLE](lastLine, null).getPropertyValue('line-height'));
+
+ if (!lineHeight || isNaN(lineHeight)) {
+ lineHeight = textLineHeight || lastLine.offsetHeight || getLineHeightByBBox(lineNo) || 18;
+ }
+ attr(tspan, 'dy', lineHeight);
+ }
+ lastLine = tspan; // record for use in next line
+ }
+
+ // add attributes
+ attr(tspan, attributes);
+
+ // append it
+ textNode.appendChild(tspan);
+
+ spanNo++;
+
+ // check width and apply soft breaks
+ if (width) {
+ var words = span.replace(/-/g, '- ').split(' '),
+ tooLong,
+ actualWidth,
+ rest = [];
+
+ while (words.length || rest.length) {
+ actualWidth = wrapper.getBBox().width;
+ tooLong = actualWidth > width;
+ if (!tooLong || words.length === 1) { // new line needed
+ words = rest;
+ rest = [];
+ if (words.length) {
+ tspan = doc.createElementNS(SVG_NS, 'tspan');
+ attr(tspan, {
+ dy: textLineHeight || 16,
+ x: parentX
+ });
+ textNode.appendChild(tspan);
+
+ if (actualWidth > width) { // a single word is pressing it out
+ width = actualWidth;
+ }
+ }
+ } else { // append to existing line tspan
+ tspan.removeChild(tspan.firstChild);
+ rest.unshift(words.pop());
+ }
+ if (words.length) {
+ tspan.appendChild(doc.createTextNode(words.join(' ').replace(/- /g, '-')));
+ }
+ }
+ }
+ }
+ });
+ });
+ },
+
+ /**
+ * Create a button with preset states
+ * @param {String} text
+ * @param {Number} x
+ * @param {Number} y
+ * @param {Function} callback
+ * @param {Object} normalState
+ * @param {Object} hoverState
+ * @param {Object} pressedState
+ */
+ button: function (text, x, y, callback, normalState, hoverState, pressedState) {
+ var label = this.label(text, x, y),
+ curState = 0,
+ stateOptions,
+ stateStyle,
+ normalStyle,
+ hoverStyle,
+ pressedStyle,
+ STYLE = 'style',
+ verticalGradient = { x1: 0, y1: 0, x2: 0, y2: 1 };
+
+ // prepare the attributes
+ /*jslint white: true*/
+ normalState = merge(hash(
+ STROKE_WIDTH, 1,
+ STROKE, '#999',
+ FILL, hash(
+ LINEAR_GRADIENT, verticalGradient,
+ STOPS, [
+ [0, '#FFF'],
+ [1, '#DDD']
+ ]
+ ),
+ 'r', 3,
+ 'padding', 3,
+ STYLE, hash(
+ 'color', 'black'
+ )
+ ), normalState);
+ /*jslint white: false*/
+ normalStyle = normalState[STYLE];
+ delete normalState[STYLE];
+
+ /*jslint white: true*/
+ hoverState = merge(normalState, hash(
+ STROKE, '#68A',
+ FILL, hash(
+ LINEAR_GRADIENT, verticalGradient,
+ STOPS, [
+ [0, '#FFF'],
+ [1, '#ACF']
+ ]
+ )
+ ), hoverState);
+ /*jslint white: false*/
+ hoverStyle = hoverState[STYLE];
+ delete hoverState[STYLE];
+
+ /*jslint white: true*/
+ pressedState = merge(normalState, hash(
+ STROKE, '#68A',
+ FILL, hash(
+ LINEAR_GRADIENT, verticalGradient,
+ STOPS, [
+ [0, '#9BD'],
+ [1, '#CDF']
+ ]
+ )
+ ), pressedState);
+ /*jslint white: false*/
+ pressedStyle = pressedState[STYLE];
+ delete pressedState[STYLE];
+
+ // add the events
+ addEvent(label.element, 'mouseenter', function () {
+ label.attr(hoverState)
+ .css(hoverStyle);
+ });
+ addEvent(label.element, 'mouseleave', function () {
+ stateOptions = [normalState, hoverState, pressedState][curState];
+ stateStyle = [normalStyle, hoverStyle, pressedStyle][curState];
+ label.attr(stateOptions)
+ .css(stateStyle);
+ });
+
+ label.setState = function (state) {
+ curState = state;
+ if (!state) {
+ label.attr(normalState)
+ .css(normalStyle);
+ } else if (state === 2) {
+ label.attr(pressedState)
+ .css(pressedStyle);
+ }
+ };
+
+ return label
+ .on('click', function () {
+ callback.call(label);
+ })
+ .attr(normalState)
+ .css(extend({ cursor: 'default' }, normalStyle));
+ },
+
+ /**
+ * Make a straight line crisper by not spilling out to neighbour pixels
+ * @param {Array} points
+ * @param {Number} width
+ */
+ crispLine: function (points, width) {
+ // points format: [M, 0, 0, L, 100, 0]
+ // normalize to a crisp line
+ if (points[1] === points[4]) {
+ points[1] = points[4] = mathRound(points[1]) + (width % 2 / 2);
+ }
+ if (points[2] === points[5]) {
+ points[2] = points[5] = mathRound(points[2]) + (width % 2 / 2);
+ }
+ return points;
+ },
+
+
+ /**
+ * Draw a path
+ * @param {Array} path An SVG path in array form
+ */
+ path: function (path) {
+ var attr = {
+ fill: NONE
+ };
+ if (isArray(path)) {
+ attr.d = path;
+ } else if (isObject(path)) { // attributes
+ extend(attr, path);
+ }
+ return this.createElement('path').attr(attr);
+ },
+
+ /**
+ * Draw and return an SVG circle
+ * @param {Number} x The x position
+ * @param {Number} y The y position
+ * @param {Number} r The radius
+ */
+ circle: function (x, y, r) {
+ var attr = isObject(x) ?
+ x :
+ {
+ x: x,
+ y: y,
+ r: r
+ };
+
+ return this.createElement('circle').attr(attr);
+ },
+
+ /**
+ * Draw and return an arc
+ * @param {Number} x X position
+ * @param {Number} y Y position
+ * @param {Number} r Radius
+ * @param {Number} innerR Inner radius like used in donut charts
+ * @param {Number} start Starting angle
+ * @param {Number} end Ending angle
+ */
+ arc: function (x, y, r, innerR, start, end) {
+ // arcs are defined as symbols for the ability to set
+ // attributes in attr and animate
+
+ if (isObject(x)) {
+ y = x.y;
+ r = x.r;
+ innerR = x.innerR;
+ start = x.start;
+ end = x.end;
+ x = x.x;
+ }
+ return this.symbol('arc', x || 0, y || 0, r || 0, r || 0, {
+ innerR: innerR || 0,
+ start: start || 0,
+ end: end || 0
+ });
+ },
+
+ /**
+ * Draw and return a rectangle
+ * @param {Number} x Left position
+ * @param {Number} y Top position
+ * @param {Number} width
+ * @param {Number} height
+ * @param {Number} r Border corner radius
+ * @param {Number} strokeWidth A stroke width can be supplied to allow crisp drawing
+ */
+ rect: function (x, y, width, height, r, strokeWidth) {
+
+ r = isObject(x) ? x.r : r;
+
+ var wrapper = this.createElement('rect').attr({
+ rx: r,
+ ry: r,
+ fill: NONE
+ });
+ return wrapper.attr(
+ isObject(x) ?
+ x :
+ // do not crispify when an object is passed in (as in column charts)
+ wrapper.crisp(strokeWidth, x, y, mathMax(width, 0), mathMax(height, 0))
+ );
+ },
+
+ /**
+ * Resize the box and re-align all aligned elements
+ * @param {Object} width
+ * @param {Object} height
+ * @param {Boolean} animate
+ *
+ */
+ setSize: function (width, height, animate) {
+ var renderer = this,
+ alignedObjects = renderer.alignedObjects,
+ i = alignedObjects.length;
+
+ renderer.width = width;
+ renderer.height = height;
+
+ renderer.boxWrapper[pick(animate, true) ? 'animate' : 'attr']({
+ width: width,
+ height: height
+ });
+
+ while (i--) {
+ alignedObjects[i].align();
+ }
+ },
+
+ /**
+ * Create a group
+ * @param {String} name The group will be given a class name of 'highcharts-{name}'.
+ * This can be used for styling and scripting.
+ */
+ g: function (name) {
+ var elem = this.createElement('g');
+ return defined(name) ? elem.attr({ 'class': PREFIX + name }) : elem;
+ },
+
+ /**
+ * Display an image
+ * @param {String} src
+ * @param {Number} x
+ * @param {Number} y
+ * @param {Number} width
+ * @param {Number} height
+ */
+ image: function (src, x, y, width, height) {
+ var attribs = {
+ preserveAspectRatio: NONE
+ },
+ elemWrapper;
+
+ // optional properties
+ if (arguments.length > 1) {
+ extend(attribs, {
+ x: x,
+ y: y,
+ width: width,
+ height: height
+ });
+ }
+
+ elemWrapper = this.createElement('image').attr(attribs);
+
+ // set the href in the xlink namespace
+ if (elemWrapper.element.setAttributeNS) {
+ elemWrapper.element.setAttributeNS('http://www.w3.org/1999/xlink',
+ 'href', src);
+ } else {
+ // could be exporting in IE
+ // using href throws "not supported" in ie7 and under, requries regex shim to fix later
+ elemWrapper.element.setAttribute('hc-svg-href', src);
+ }
+
+ return elemWrapper;
+ },
+
+ /**
+ * Draw a symbol out of pre-defined shape paths from the namespace 'symbol' object.
+ *
+ * @param {Object} symbol
+ * @param {Object} x
+ * @param {Object} y
+ * @param {Object} radius
+ * @param {Object} options
+ */
+ symbol: function (symbol, x, y, width, height, options) {
+
+ var obj,
+
+ // get the symbol definition function
+ symbolFn = this.symbols[symbol],
+
+ // check if there's a path defined for this symbol
+ path = symbolFn && symbolFn(
+ mathRound(x),
+ mathRound(y),
+ width,
+ height,
+ options
+ ),
+
+ imageRegex = /^url\((.*?)\)$/,
+ imageSrc,
+ imageSize,
+ centerImage;
+
+ if (path) {
+
+ obj = this.path(path);
+ // expando properties for use in animate and attr
+ extend(obj, {
+ symbolName: symbol,
+ x: x,
+ y: y,
+ width: width,
+ height: height
+ });
+ if (options) {
+ extend(obj, options);
+ }
+
+
+ // image symbols
+ } else if (imageRegex.test(symbol)) {
+
+ // On image load, set the size and position
+ centerImage = function (img, size) {
+ img.attr({
+ width: size[0],
+ height: size[1]
+ });
+
+ if (!img.alignByTranslate) { // #185
+ img.translate(
+ -mathRound(size[0] / 2),
+ -mathRound(size[1] / 2)
+ );
+ }
+ };
+
+ imageSrc = symbol.match(imageRegex)[1];
+ imageSize = symbolSizes[imageSrc];
+
+ // create the image synchronously, add attribs async
+ obj = this.image(imageSrc)
+ .attr({
+ x: x,
+ y: y
+ });
+
+ if (imageSize) {
+ centerImage(obj, imageSize);
+ } else {
+ // initialize image to be 0 size so export will still function if there's no cached sizes
+ obj.attr({ width: 0, height: 0 });
+
+ // create a dummy JavaScript image to get the width and height
+ createElement('img', {
+ onload: function () {
+ var img = this;
+
+ centerImage(obj, symbolSizes[imageSrc] = [img.width, img.height]);
+ },
+ src: imageSrc
+ });
+ }
+ }
+
+ return obj;
+ },
+
+ /**
+ * An extendable collection of functions for defining symbol paths.
+ */
+ symbols: {
+ 'circle': function (x, y, w, h) {
+ var cpw = 0.166 * w;
+ return [
+ M, x + w / 2, y,
+ 'C', x + w + cpw, y, x + w + cpw, y + h, x + w / 2, y + h,
+ 'C', x - cpw, y + h, x - cpw, y, x + w / 2, y,
+ 'Z'
+ ];
+ },
+
+ 'square': function (x, y, w, h) {
+ return [
+ M, x, y,
+ L, x + w, y,
+ x + w, y + h,
+ x, y + h,
+ 'Z'
+ ];
+ },
+
+ 'triangle': function (x, y, w, h) {
+ return [
+ M, x + w / 2, y,
+ L, x + w, y + h,
+ x, y + h,
+ 'Z'
+ ];
+ },
+
+ 'triangle-down': function (x, y, w, h) {
+ return [
+ M, x, y,
+ L, x + w, y,
+ x + w / 2, y + h,
+ 'Z'
+ ];
+ },
+ 'diamond': function (x, y, w, h) {
+ return [
+ M, x + w / 2, y,
+ L, x + w, y + h / 2,
+ x + w / 2, y + h,
+ x, y + h / 2,
+ 'Z'
+ ];
+ },
+ 'arc': function (x, y, w, h, options) {
+ var start = options.start,
+ radius = options.r || w || h,
+ end = options.end - 0.000001, // to prevent cos and sin of start and end from becoming equal on 360 arcs
+ innerRadius = options.innerR,
+ open = options.open,
+ cosStart = mathCos(start),
+ sinStart = mathSin(start),
+ cosEnd = mathCos(end),
+ sinEnd = mathSin(end),
+ longArc = options.end - start < mathPI ? 0 : 1;
+
+ return [
+ M,
+ x + radius * cosStart,
+ y + radius * sinStart,
+ 'A', // arcTo
+ radius, // x radius
+ radius, // y radius
+ 0, // slanting
+ longArc, // long or short arc
+ 1, // clockwise
+ x + radius * cosEnd,
+ y + radius * sinEnd,
+ open ? M : L,
+ x + innerRadius * cosEnd,
+ y + innerRadius * sinEnd,
+ 'A', // arcTo
+ innerRadius, // x radius
+ innerRadius, // y radius
+ 0, // slanting
+ longArc, // long or short arc
+ 0, // clockwise
+ x + innerRadius * cosStart,
+ y + innerRadius * sinStart,
+
+ open ? '' : 'Z' // close
+ ];
+ }
+ },
+
+ /**
+ * Define a clipping rectangle
+ * @param {String} id
+ * @param {Number} x
+ * @param {Number} y
+ * @param {Number} width
+ * @param {Number} height
+ */
+ clipRect: function (x, y, width, height) {
+ var wrapper,
+ id = PREFIX + idCounter++,
+
+ clipPath = this.createElement('clipPath').attr({
+ id: id
+ }).add(this.defs);
+
+ wrapper = this.rect(x, y, width, height, 0).add(clipPath);
+ wrapper.id = id;
+ wrapper.clipPath = clipPath;
+
+ return wrapper;
+ },
+
+
+ /**
+ * Take a color and return it if it's a string, make it a gradient if it's a
+ * gradient configuration object. Prior to Highstock, an array was used to define
+ * a linear gradient with pixel positions relative to the SVG. In newer versions
+ * we change the coordinates to apply relative to the shape, using coordinates
+ * 0-1 within the shape. To preserve backwards compatibility, linearGradient
+ * in this definition is an object of x1, y1, x2 and y2.
+ *
+ * @param {Object} color The color or config object
+ */
+ color: function (color, elem, prop) {
+ var renderer = this,
+ colorObject,
+ regexRgba = /^rgba/,
+ gradName;
+
+ // Apply linear or radial gradients
+ if (color && color.linearGradient) {
+ gradName = 'linearGradient';
+ } else if (color && color.radialGradient) {
+ gradName = 'radialGradient';
+ }
+
+ if (gradName) {
+ var gradAttr = color[gradName],
+ gradients = renderer.gradients,
+ gradientObject,
+ stopColor,
+ stopOpacity,
+ radialReference = elem.radialReference;
+
+ // Check if a gradient object with the same config object is created within this renderer
+ if (!gradAttr.id || !gradients[gradAttr.id]) {
+
+ // Keep < 2.2 kompatibility
+ if (isArray(gradAttr)) {
+ color[gradName] = gradAttr = {
+ x1: gradAttr[0],
+ y1: gradAttr[1],
+ x2: gradAttr[2],
+ y2: gradAttr[3],
+ gradientUnits: 'userSpaceOnUse'
+ };
+ }
+
+ // Correct the radial gradient for the radial reference system
+ if (gradName === 'radialGradient' && radialReference && !defined(gradAttr.gradientUnits)) {
+ extend(gradAttr, {
+ cx: (radialReference[0] - radialReference[2] / 2) + gradAttr.cx * radialReference[2],
+ cy: (radialReference[1] - radialReference[2] / 2) + gradAttr.cy * radialReference[2],
+ r: gradAttr.r * radialReference[2],
+ gradientUnits: 'userSpaceOnUse'
+ });
+ }
+
+ // Set the id and create the element
+ gradAttr.id = PREFIX + idCounter++;
+ gradients[gradAttr.id] = gradientObject = renderer.createElement(gradName)
+ .attr(gradAttr)
+ .add(renderer.defs);
+
+
+ // The gradient needs to keep a list of stops to be able to destroy them
+ gradientObject.stops = [];
+ each(color.stops, function (stop) {
+ var stopObject;
+ if (regexRgba.test(stop[1])) {
+ colorObject = Color(stop[1]);
+ stopColor = colorObject.get('rgb');
+ stopOpacity = colorObject.get('a');
+ } else {
+ stopColor = stop[1];
+ stopOpacity = 1;
+ }
+ stopObject = renderer.createElement('stop').attr({
+ offset: stop[0],
+ 'stop-color': stopColor,
+ 'stop-opacity': stopOpacity
+ }).add(gradientObject);
+
+ // Add the stop element to the gradient
+ gradientObject.stops.push(stopObject);
+ });
+ }
+
+ // Return the reference to the gradient object
+ return 'url(' + renderer.url + '#' + gradAttr.id + ')';
+
+ // Webkit and Batik can't show rgba.
+ } else if (regexRgba.test(color)) {
+ colorObject = Color(color);
+ attr(elem, prop + '-opacity', colorObject.get('a'));
+
+ return colorObject.get('rgb');
+
+
+ } else {
+ // Remove the opacity attribute added above. Does not throw if the attribute is not there.
+ elem.removeAttribute(prop + '-opacity');
+
+ return color;
+ }
+
+ },
+
+
+ /**
+ * Add text to the SVG object
+ * @param {String} str
+ * @param {Number} x Left position
+ * @param {Number} y Top position
+ * @param {Boolean} useHTML Use HTML to render the text
+ */
+ text: function (str, x, y, useHTML) {
+
+ // declare variables
+ var renderer = this,
+ defaultChartStyle = defaultOptions.chart.style,
+ wrapper;
+
+ if (useHTML && !renderer.forExport) {
+ return renderer.html(str, x, y);
+ }
+
+ x = mathRound(pick(x, 0));
+ y = mathRound(pick(y, 0));
+
+ wrapper = renderer.createElement('text')
+ .attr({
+ x: x,
+ y: y,
+ text: str
+ })
+ .css({
+ fontFamily: defaultChartStyle.fontFamily,
+ fontSize: defaultChartStyle.fontSize
+ });
+
+ wrapper.x = x;
+ wrapper.y = y;
+ return wrapper;
+ },
+
+
+ /**
+ * Create HTML text node. This is used by the VML renderer as well as the SVG
+ * renderer through the useHTML option.
+ *
+ * @param {String} str
+ * @param {Number} x
+ * @param {Number} y
+ */
+ html: function (str, x, y) {
+ var defaultChartStyle = defaultOptions.chart.style,
+ wrapper = this.createElement('span'),
+ attrSetters = wrapper.attrSetters,
+ element = wrapper.element,
+ renderer = wrapper.renderer;
+
+ // Text setter
+ attrSetters.text = function (value) {
+ element.innerHTML = value;
+ return false;
+ };
+
+ // Various setters which rely on update transform
+ attrSetters.x = attrSetters.y = attrSetters.align = function (value, key) {
+ if (key === 'align') {
+ key = 'textAlign'; // Do not overwrite the SVGElement.align method. Same as VML.
+ }
+ wrapper[key] = value;
+ wrapper.htmlUpdateTransform();
+ return false;
+ };
+
+ // Set the default attributes
+ wrapper.attr({
+ text: str,
+ x: mathRound(x),
+ y: mathRound(y)
+ })
+ .css({
+ position: ABSOLUTE,
+ whiteSpace: 'nowrap',
+ fontFamily: defaultChartStyle.fontFamily,
+ fontSize: defaultChartStyle.fontSize
+ });
+
+ // Use the HTML specific .css method
+ wrapper.css = wrapper.htmlCss;
+
+ // This is specific for HTML within SVG
+ if (renderer.isSVG) {
+ wrapper.add = function (svgGroupWrapper) {
+
+ var htmlGroup,
+ htmlGroupStyle,
+ container = renderer.box.parentNode;
+
+ // Create a mock group to hold the HTML elements
+ if (svgGroupWrapper) {
+ htmlGroup = svgGroupWrapper.div;
+ if (!htmlGroup) {
+ htmlGroup = svgGroupWrapper.div = createElement(DIV, {
+ className: attr(svgGroupWrapper.element, 'class')
+ }, {
+ position: ABSOLUTE,
+ left: svgGroupWrapper.attr('translateX') + PX,
+ top: svgGroupWrapper.attr('translateY') + PX
+ }, container);
+
+ // Ensure dynamic updating position
+ htmlGroupStyle = htmlGroup.style;
+ extend(svgGroupWrapper.attrSetters, {
+ translateX: function (value) {
+ htmlGroupStyle.left = value + PX;
+ },
+ translateY: function (value) {
+ htmlGroupStyle.top = value + PX;
+ },
+ visibility: function (value, key) {
+ htmlGroupStyle[key] = value;
+ }
+ });
+
+ }
+ } else {
+ htmlGroup = container;
+ }
+
+ htmlGroup.appendChild(element);
+
+ // Shared with VML:
+ wrapper.added = true;
+ if (wrapper.alignOnAdd) {
+ wrapper.htmlUpdateTransform();
+ }
+
+ return wrapper;
+ };
+ }
+ return wrapper;
+ },
+
+ /**
+ * Utility to return the baseline offset and total line height from the font size
+ */
+ fontMetrics: function (fontSize) {
+ fontSize = pInt(fontSize || 11);
+
+ // Empirical values found by comparing font size and bounding box height.
+ // Applies to the default font family. http://jsfiddle.net/highcharts/7xvn7/
+ var lineHeight = fontSize < 24 ? fontSize + 4 : mathRound(fontSize * 1.2),
+ baseline = mathRound(lineHeight * 0.8);
+
+ return {
+ h: lineHeight,
+ b: baseline
+ };
+ },
+
+ /**
+ * Add a label, a text item that can hold a colored or gradient background
+ * as well as a border and shadow.
+ * @param {string} str
+ * @param {Number} x
+ * @param {Number} y
+ * @param {String} shape
+ * @param {Number} anchorX In case the shape has a pointer, like a flag, this is the
+ * coordinates it should be pinned to
+ * @param {Number} anchorY
+ * @param {Boolean} baseline Whether to position the label relative to the text baseline,
+ * like renderer.text, or to the upper border of the rectangle.
+ * @param {String} className Class name for the group
+ */
+ label: function (str, x, y, shape, anchorX, anchorY, useHTML, baseline, className) {
+
+ var renderer = this,
+ wrapper = renderer.g(className),
+ text = renderer.text('', 0, 0, useHTML)
+ .attr({
+ zIndex: 1
+ })
+ .add(wrapper),
+ box,
+ bBox,
+ alignFactor = 0,
+ padding = 3,
+ width,
+ height,
+ wrapperX,
+ wrapperY,
+ crispAdjust = 0,
+ deferredAttr = {},
+ baselineOffset,
+ attrSetters = wrapper.attrSetters;
+
+ /**
+ * This function runs after the label is added to the DOM (when the bounding box is
+ * available), and after the text of the label is updated to detect the new bounding
+ * box and reflect it in the border box.
+ */
+ function updateBoxSize() {
+ var boxY,
+ style = text.element.style;
+
+ bBox = (width === undefined || height === undefined || wrapper.styles.textAlign) &&
+ text.getBBox(true);
+ wrapper.width = (width || bBox.width || 0) + 2 * padding;
+ wrapper.height = (height || bBox.height || 0) + 2 * padding;
+
+ // update the label-scoped y offset
+ baselineOffset = padding + renderer.fontMetrics(style && style.fontSize).b;
+
+
+ // create the border box if it is not already present
+ if (!box) {
+ boxY = baseline ? -baselineOffset : 0;
+
+ wrapper.box = box = shape ?
+ renderer.symbol(shape, -alignFactor * padding, boxY, wrapper.width, wrapper.height) :
+ renderer.rect(-alignFactor * padding, boxY, wrapper.width, wrapper.height, 0, deferredAttr[STROKE_WIDTH]);
+ box.add(wrapper);
+ }
+
+ // apply the box attributes
+ box.attr(merge({
+ width: wrapper.width,
+ height: wrapper.height
+ }, deferredAttr));
+ deferredAttr = null;
+ }
+
+ /**
+ * This function runs after setting text or padding, but only if padding is changed
+ */
+ function updateTextPadding() {
+ var styles = wrapper.styles,
+ textAlign = styles && styles.textAlign,
+ x = padding * (1 - alignFactor),
+ y;
+
+ // determin y based on the baseline
+ y = baseline ? 0 : baselineOffset;
+
+ // compensate for alignment
+ if (defined(width) && (textAlign === 'center' || textAlign === 'right')) {
+ x += { center: 0.5, right: 1 }[textAlign] * (width - bBox.width);
+ }
+
+ // update if anything changed
+ if (x !== text.x || y !== text.y) {
+ text.attr({
+ x: x,
+ y: y
+ });
+ }
+
+ // record current values
+ text.x = x;
+ text.y = y;
+ }
+
+ /**
+ * Set a box attribute, or defer it if the box is not yet created
+ * @param {Object} key
+ * @param {Object} value
+ */
+ function boxAttr(key, value) {
+ if (box) {
+ box.attr(key, value);
+ } else {
+ deferredAttr[key] = value;
+ }
+ }
+
+ function getSizeAfterAdd() {
+ wrapper.attr({
+ text: str, // alignment is available now
+ x: x,
+ y: y
+ });
+
+ if (defined(anchorX)) {
+ wrapper.attr({
+ anchorX: anchorX,
+ anchorY: anchorY
+ });
+ }
+ }
+
+ /**
+ * After the text element is added, get the desired size of the border box
+ * and add it before the text in the DOM.
+ */
+ addEvent(wrapper, 'add', getSizeAfterAdd);
+
+ /*
+ * Add specific attribute setters.
+ */
+
+ // only change local variables
+ attrSetters.width = function (value) {
+ width = value;
+ return false;
+ };
+ attrSetters.height = function (value) {
+ height = value;
+ return false;
+ };
+ attrSetters.padding = function (value) {
+ if (defined(value) && value !== padding) {
+ padding = value;
+ updateTextPadding();
+ }
+
+ return false;
+ };
+
+ // change local variable and set attribue as well
+ attrSetters.align = function (value) {
+ alignFactor = { left: 0, center: 0.5, right: 1 }[value];
+ return false; // prevent setting text-anchor on the group
+ };
+
+ // apply these to the box and the text alike
+ attrSetters.text = function (value, key) {
+ text.attr(key, value);
+ updateBoxSize();
+ updateTextPadding();
+ return false;
+ };
+
+ // apply these to the box but not to the text
+ attrSetters[STROKE_WIDTH] = function (value, key) {
+ crispAdjust = value % 2 / 2;
+ boxAttr(key, value);
+ return false;
+ };
+ attrSetters.stroke = attrSetters.fill = attrSetters.r = function (value, key) {
+ boxAttr(key, value);
+ return false;
+ };
+ attrSetters.anchorX = function (value, key) {
+ anchorX = value;
+ boxAttr(key, value + crispAdjust - wrapperX);
+ return false;
+ };
+ attrSetters.anchorY = function (value, key) {
+ anchorY = value;
+ boxAttr(key, value - wrapperY);
+ return false;
+ };
+
+ // rename attributes
+ attrSetters.x = function (value) {
+ wrapper.x = value; // for animation getter
+ value -= alignFactor * ((width || bBox.width) + padding);
+ wrapperX = mathRound(value);
+
+ wrapper.attr('translateX', wrapperX);
+ return false;
+ };
+ attrSetters.y = function (value) {
+ wrapperY = wrapper.y = mathRound(value);
+ wrapper.attr('translateY', value);
+ return false;
+ };
+
+ // Redirect certain methods to either the box or the text
+ var baseCss = wrapper.css;
+ return extend(wrapper, {
+ /**
+ * Pick up some properties and apply them to the text instead of the wrapper
+ */
+ css: function (styles) {
+ if (styles) {
+ var textStyles = {};
+ styles = merge({}, styles); // create a copy to avoid altering the original object (#537)
+ each(['fontSize', 'fontWeight', 'fontFamily', 'color', 'lineHeight', 'width'], function (prop) {
+ if (styles[prop] !== UNDEFINED) {
+ textStyles[prop] = styles[prop];
+ delete styles[prop];
+ }
+ });
+ text.css(textStyles);
+ }
+ return baseCss.call(wrapper, styles);
+ },
+ /**
+ * Return the bounding box of the box, not the group
+ */
+ getBBox: function () {
+ return box.getBBox();
+ },
+ /**
+ * Apply the shadow to the box
+ */
+ shadow: function (b) {
+ box.shadow(b);
+ return wrapper;
+ },
+ /**
+ * Destroy and release memory.
+ */
+ destroy: function () {
+ removeEvent(wrapper, 'add', getSizeAfterAdd);
+
+ // Added by button implementation
+ removeEvent(wrapper.element, 'mouseenter');
+ removeEvent(wrapper.element, 'mouseleave');
+
+ if (text) {
+ // Destroy the text element
+ text = text.destroy();
+ }
+ // Call base implementation to destroy the rest
+ SVGElement.prototype.destroy.call(wrapper);
+ }
+ });
+ }
+}; // end SVGRenderer
+
+
+// general renderer
+Renderer = SVGRenderer;
+
+
+/* ****************************************************************************
+ * *
+ * START OF INTERNET EXPLORER <= 8 SPECIFIC CODE *
+ * *
+ * For applications and websites that don't need IE support, like platform *
+ * targeted mobile apps and web apps, this code can be removed. *
+ * *
+ *****************************************************************************/
+
+/**
+ * @constructor
+ */
+var VMLRenderer;
+if (!hasSVG && !useCanVG) {
+
+/**
+ * The VML element wrapper.
+ */
+var VMLElement = {
+
+ /**
+ * Initialize a new VML element wrapper. It builds the markup as a string
+ * to minimize DOM traffic.
+ * @param {Object} renderer
+ * @param {Object} nodeName
+ */
+ init: function (renderer, nodeName) {
+ var wrapper = this,
+ markup = ['<', nodeName, ' filled="f" stroked="f"'],
+ style = ['position: ', ABSOLUTE, ';'];
+
+ // divs and shapes need size
+ if (nodeName === 'shape' || nodeName === DIV) {
+ style.push('left:0;top:0;width:1px;height:1px;');
+ }
+ if (docMode8) {
+ style.push('visibility: ', nodeName === DIV ? HIDDEN : VISIBLE);
+ }
+
+ markup.push(' style="', style.join(''), '"/>');
+
+ // create element with default attributes and style
+ if (nodeName) {
+ markup = nodeName === DIV || nodeName === 'span' || nodeName === 'img' ?
+ markup.join('')
+ : renderer.prepVML(markup);
+ wrapper.element = createElement(markup);
+ }
+
+ wrapper.renderer = renderer;
+ wrapper.attrSetters = {};
+ },
+
+ /**
+ * Add the node to the given parent
+ * @param {Object} parent
+ */
+ add: function (parent) {
+ var wrapper = this,
+ renderer = wrapper.renderer,
+ element = wrapper.element,
+ box = renderer.box,
+ inverted = parent && parent.inverted,
+
+ // get the parent node
+ parentNode = parent ?
+ parent.element || parent :
+ box;
+
+
+ // if the parent group is inverted, apply inversion on all children
+ if (inverted) { // only on groups
+ renderer.invertChild(element, parentNode);
+ }
+
+ // issue #140 workaround - related to #61 and #74
+ if (docMode8 && parentNode.gVis === HIDDEN) {
+ css(element, { visibility: HIDDEN });
+ }
+
+ // append it
+ parentNode.appendChild(element);
+
+ // align text after adding to be able to read offset
+ wrapper.added = true;
+ if (wrapper.alignOnAdd && !wrapper.deferUpdateTransform) {
+ wrapper.updateTransform();
+ }
+
+ // fire an event for internal hooks
+ fireEvent(wrapper, 'add');
+
+ return wrapper;
+ },
+
+ /**
+ * In IE8 documentMode 8, we need to recursively set the visibility down in the DOM
+ * tree for nested groups. Related to #61, #586.
+ */
+ toggleChildren: function (element, visibility) {
+ var childNodes = element.childNodes,
+ i = childNodes.length;
+
+ while (i--) {
+
+ // apply the visibility
+ css(childNodes[i], { visibility: visibility });
+
+ // we have a nested group, apply it to its children again
+ if (childNodes[i].nodeName === 'DIV') {
+ this.toggleChildren(childNodes[i], visibility);
+ }
+ }
+ },
+
+ /**
+ * VML always uses htmlUpdateTransform
+ */
+ updateTransform: SVGElement.prototype.htmlUpdateTransform,
+
+ /**
+ * Get or set attributes
+ */
+ attr: function (hash, val) {
+ var wrapper = this,
+ key,
+ value,
+ i,
+ result,
+ element = wrapper.element || {},
+ elemStyle = element.style,
+ nodeName = element.nodeName,
+ renderer = wrapper.renderer,
+ symbolName = wrapper.symbolName,
+ hasSetSymbolSize,
+ shadows = wrapper.shadows,
+ skipAttr,
+ attrSetters = wrapper.attrSetters,
+ ret = wrapper;
+
+ // single key-value pair
+ if (isString(hash) && defined(val)) {
+ key = hash;
+ hash = {};
+ hash[key] = val;
+ }
+
+ // used as a getter, val is undefined
+ if (isString(hash)) {
+ key = hash;
+ if (key === 'strokeWidth' || key === 'stroke-width') {
+ ret = wrapper.strokeweight;
+ } else {
+ ret = wrapper[key];
+ }
+
+ // setter
+ } else {
+ for (key in hash) {
+ value = hash[key];
+ skipAttr = false;
+
+ // check for a specific attribute setter
+ result = attrSetters[key] && attrSetters[key](value, key);
+
+ if (result !== false && value !== null) { // #620
+
+ if (result !== UNDEFINED) {
+ value = result; // the attribute setter has returned a new value to set
+ }
+
+
+ // prepare paths
+ // symbols
+ if (symbolName && /^(x|y|r|start|end|width|height|innerR|anchorX|anchorY)/.test(key)) {
+ // if one of the symbol size affecting parameters are changed,
+ // check all the others only once for each call to an element's
+ // .attr() method
+ if (!hasSetSymbolSize) {
+ wrapper.symbolAttr(hash);
+
+ hasSetSymbolSize = true;
+ }
+ skipAttr = true;
+
+ } else if (key === 'd') {
+ value = value || [];
+ wrapper.d = value.join(' '); // used in getter for animation
+
+ // convert paths
+ i = value.length;
+ var convertedPath = [];
+ while (i--) {
+
+ // Multiply by 10 to allow subpixel precision.
+ // Substracting half a pixel seems to make the coordinates
+ // align with SVG, but this hasn't been tested thoroughly
+ if (isNumber(value[i])) {
+ convertedPath[i] = mathRound(value[i] * 10) - 5;
+ } else if (value[i] === 'Z') { // close the path
+ convertedPath[i] = 'x';
+ } else {
+ convertedPath[i] = value[i];
+ }
+
+ }
+ value = convertedPath.join(' ') || 'x';
+ element.path = value;
+
+ // update shadows
+ if (shadows) {
+ i = shadows.length;
+ while (i--) {
+ shadows[i].path = shadows[i].cutOff ? this.cutOffPath(value, shadows[i].cutOff) : value;
+ }
+ }
+ skipAttr = true;
+
+ // directly mapped to css
+ } else if (key === 'zIndex' || key === 'visibility') {
+
+ // workaround for #61 and #586
+ if (docMode8 && key === 'visibility' && nodeName === 'DIV') {
+ element.gVis = value;
+ wrapper.toggleChildren(element, value);
+ if (value === VISIBLE) { // #74
+ value = null;
+ }
+ }
+
+ if (value) {
+ elemStyle[key] = value;
+ }
+
+
+
+ skipAttr = true;
+
+ // width and height
+ } else if (key === 'width' || key === 'height') {
+
+ value = mathMax(0, value); // don't set width or height below zero (#311)
+
+ this[key] = value; // used in getter
+
+ // clipping rectangle special
+ if (wrapper.updateClipping) {
+ wrapper[key] = value;
+ wrapper.updateClipping();
+ } else {
+ // normal
+ elemStyle[key] = value;
+ }
+
+ skipAttr = true;
+
+ // x and y
+ } else if (key === 'x' || key === 'y') {
+
+ wrapper[key] = value; // used in getter
+ elemStyle[{ x: 'left', y: 'top' }[key]] = value;
+
+ // class name
+ } else if (key === 'class') {
+ // IE8 Standards mode has problems retrieving the className
+ element.className = value;
+
+ // stroke
+ } else if (key === 'stroke') {
+
+ value = renderer.color(value, element, key);
+
+ key = 'strokecolor';
+
+ // stroke width
+ } else if (key === 'stroke-width' || key === 'strokeWidth') {
+ element.stroked = value ? true : false;
+ key = 'strokeweight';
+ wrapper[key] = value; // used in getter, issue #113
+ if (isNumber(value)) {
+ value += PX;
+ }
+
+ // dashStyle
+ } else if (key === 'dashstyle') {
+ var strokeElem = element.getElementsByTagName('stroke')[0] ||
+ createElement(renderer.prepVML(['<stroke/>']), null, null, element);
+ strokeElem[key] = value || 'solid';
+ wrapper.dashstyle = value; /* because changing stroke-width will change the dash length
+ and cause an epileptic effect */
+ skipAttr = true;
+
+ // fill
+ } else if (key === 'fill') {
+
+ if (nodeName === 'SPAN') { // text color
+ elemStyle.color = value;
+ } else {
+ element.filled = value !== NONE ? true : false;
+
+ value = renderer.color(value, element, key);
+
+ key = 'fillcolor';
+ }
+
+ // rotation on VML elements
+ } else if (nodeName === 'shape' && key === 'rotation') {
+ wrapper[key] = value;
+
+ // translation for animation
+ } else if (key === 'translateX' || key === 'translateY' || key === 'rotation') {
+ wrapper[key] = value;
+ wrapper.updateTransform();
+
+ skipAttr = true;
+
+ // text for rotated and non-rotated elements
+ } else if (key === 'text') {
+ this.bBox = null;
+ element.innerHTML = value;
+ skipAttr = true;
+ }
+
+ // let the shadow follow the main element
+ if (shadows && key === 'visibility') {
+ i = shadows.length;
+ while (i--) {
+ shadows[i].style[key] = value;
+ }
+ }
+
+
+
+ if (!skipAttr) {
+ if (docMode8) { // IE8 setAttribute bug
+ element[key] = value;
+ } else {
+ attr(element, key, value);
+ }
+ }
+
+ }
+ }
+ }
+ return ret;
+ },
+
+ /**
+ * Set the element's clipping to a predefined rectangle
+ *
+ * @param {String} id The id of the clip rectangle
+ */
+ clip: function (clipRect) {
+ var wrapper = this,
+ clipMembers = clipRect.members,
+ element = wrapper.element,
+ parentNode = element.parentNode;
+
+ clipMembers.push(wrapper);
+ wrapper.destroyClip = function () {
+ erase(clipMembers, wrapper);
+ };
+
+ // Issue #863 workaround - related to #140, #61, #74
+ if (parentNode && parentNode.className === 'highcharts-tracker' && !docMode8) {
+ css(element, { visibility: HIDDEN });
+ }
+
+ return wrapper.css(clipRect.getCSS(wrapper));
+ },
+
+ /**
+ * Set styles for the element
+ * @param {Object} styles
+ */
+ css: SVGElement.prototype.htmlCss,
+
+ /**
+ * Removes a child either by removeChild or move to garbageBin.
+ * Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
+ */
+ safeRemoveChild: function (element) {
+ // discardElement will detach the node from its parent before attaching it
+ // to the garbage bin. Therefore it is important that the node is attached and have parent.
+ var parentNode = element.parentNode;
+ if (parentNode) {
+ discardElement(element);
+ }
+ },
+
+ /**
+ * Extend element.destroy by removing it from the clip members array
+ */
+ destroy: function () {
+ var wrapper = this;
+
+ if (wrapper.destroyClip) {
+ wrapper.destroyClip();
+ }
+
+ return SVGElement.prototype.destroy.apply(wrapper);
+ },
+
+ /**
+ * Remove all child nodes of a group, except the v:group element
+ */
+ empty: function () {
+ var element = this.element,
+ childNodes = element.childNodes,
+ i = childNodes.length,
+ node;
+
+ while (i--) {
+ node = childNodes[i];
+ node.parentNode.removeChild(node);
+ }
+ },
+
+ /**
+ * Add an event listener. VML override for normalizing event parameters.
+ * @param {String} eventType
+ * @param {Function} handler
+ */
+ on: function (eventType, handler) {
+ // simplest possible event model for internal use
+ this.element['on' + eventType] = function () {
+ var evt = win.event;
+ evt.target = evt.srcElement;
+ handler(evt);
+ };
+ return this;
+ },
+
+ /**
+ * In stacked columns, cut off the shadows so that they don't overlap
+ */
+ cutOffPath: function (path, length) {
+
+ var len;
+
+ path = path.split(/[ ,]/);
+ len = path.length;
+
+ if (len === 9 || len === 11) {
+ path[len - 4] = path[len - 2] = pInt(path[len - 2]) - 10 * length;
+ }
+ return path.join(' ');
+ },
+
+ /**
+ * Apply a drop shadow by copying elements and giving them different strokes
+ * @param {Boolean} apply
+ */
+ shadow: function (apply, group, cutOff) {
+ var shadows = [],
+ i,
+ element = this.element,
+ renderer = this.renderer,
+ shadow,
+ elemStyle = element.style,
+ markup,
+ path = element.path,
+ strokeWidth,
+ modifiedPath;
+
+ // some times empty paths are not strings
+ if (path && typeof path.value !== 'string') {
+ path = 'x';
+ }
+ modifiedPath = path;
+
+ if (apply) {
+ for (i = 1; i <= 3; i++) {
+
+ strokeWidth = 7 - 2 * i;
+
+ // Cut off shadows for stacked column items
+ if (cutOff) {
+ modifiedPath = this.cutOffPath(path.value, strokeWidth + 0.5);
+ }
+
+ markup = ['<shape isShadow="true" strokeweight="', (7 - 2 * i),
+ '" filled="false" path="', modifiedPath,
+ '" coordsize="10 10" style="', element.style.cssText, '" />'];
+
+ shadow = createElement(renderer.prepVML(markup),
+ null, {
+ left: pInt(elemStyle.left) + 1,
+ top: pInt(elemStyle.top) + 1
+ }
+ );
+ if (cutOff) {
+ shadow.cutOff = strokeWidth + 1;
+ }
+
+ // apply the opacity
+ markup = ['<stroke color="black" opacity="', (0.05 * i), '"/>'];
+ createElement(renderer.prepVML(markup), null, null, shadow);
+
+
+ // insert it
+ if (group) {
+ group.element.appendChild(shadow);
+ } else {
+ element.parentNode.insertBefore(shadow, element);
+ }
+
+ // record it
+ shadows.push(shadow);
+
+ }
+
+ this.shadows = shadows;
+ }
+ return this;
+
+ }
+};
+VMLElement = extendClass(SVGElement, VMLElement);
+
+/**
+ * The VML renderer
+ */
+var VMLRendererExtension = { // inherit SVGRenderer
+
+ Element: VMLElement,
+ isIE8: userAgent.indexOf('MSIE 8.0') > -1,
+
+
+ /**
+ * Initialize the VMLRenderer
+ * @param {Object} container
+ * @param {Number} width
+ * @param {Number} height
+ */
+ init: function (container, width, height) {
+ var renderer = this,
+ boxWrapper,
+ box;
+
+ renderer.alignedObjects = [];
+
+ boxWrapper = renderer.createElement(DIV);
+ box = boxWrapper.element;
+ box.style.position = RELATIVE; // for freeform drawing using renderer directly
+ container.appendChild(boxWrapper.element);
+
+
+ // generate the containing box
+ renderer.box = box;
+ renderer.boxWrapper = boxWrapper;
+
+
+ renderer.setSize(width, height, false);
+
+ // The only way to make IE6 and IE7 print is to use a global namespace. However,
+ // with IE8 the only way to make the dynamic shapes visible in screen and print mode
+ // seems to be to add the xmlns attribute and the behaviour style inline.
+ if (!doc.namespaces.hcv) {
+
+ doc.namespaces.add('hcv', 'urn:schemas-microsoft-com:vml');
+
+ // setup default css
+ doc.createStyleSheet().cssText =
+ 'hcv\\:fill, hcv\\:path, hcv\\:shape, hcv\\:stroke' +
+ '{ behavior:url(#default#VML); display: inline-block; } ';
+
+ }
+ },
+
+
+ /**
+ * Detect whether the renderer is hidden. This happens when one of the parent elements
+ * has display: none
+ */
+ isHidden: function () {
+ return !this.box.offsetWidth;
+ },
+
+ /**
+ * Define a clipping rectangle. In VML it is accomplished by storing the values
+ * for setting the CSS style to all associated members.
+ *
+ * @param {Number} x
+ * @param {Number} y
+ * @param {Number} width
+ * @param {Number} height
+ */
+ clipRect: function (x, y, width, height) {
+
+ // create a dummy element
+ var clipRect = this.createElement();
+
+ // mimic a rectangle with its style object for automatic updating in attr
+ return extend(clipRect, {
+ members: [],
+ left: x,
+ top: y,
+ width: width,
+ height: height,
+ getCSS: function (wrapper) {
+ var inverted = wrapper.inverted,
+ rect = this,
+ top = rect.top,
+ left = rect.left,
+ right = left + rect.width,
+ bottom = top + rect.height,
+ ret = {
+ clip: 'rect(' +
+ mathRound(inverted ? left : top) + 'px,' +
+ mathRound(inverted ? bottom : right) + 'px,' +
+ mathRound(inverted ? right : bottom) + 'px,' +
+ mathRound(inverted ? top : left) + 'px)'
+ };
+
+ // issue 74 workaround
+ if (!inverted && docMode8 && wrapper.element.nodeName !== 'IMG') {
+ extend(ret, {
+ width: right + PX,
+ height: bottom + PX
+ });
+ }
+
+ return ret;
+ },
+
+ // used in attr and animation to update the clipping of all members
+ updateClipping: function () {
+ each(clipRect.members, function (member) {
+ member.css(clipRect.getCSS(member));
+ });
+ }
+ });
+
+ },
+
+
+ /**
+ * Take a color and return it if it's a string, make it a gradient if it's a
+ * gradient configuration object, and apply opacity.
+ *
+ * @param {Object} color The color or config object
+ */
+ color: function (color, elem, prop) {
+ var colorObject,
+ regexRgba = /^rgba/,
+ markup,
+ fillType,
+ ret = NONE;
+
+ // Check for linear or radial gradient
+ if (color && color.linearGradient) {
+ fillType = 'gradient';
+ } else if (color && color.radialGradient) {
+ fillType = 'pattern';
+ }
+
+
+ if (fillType) {
+
+ var stopColor,
+ stopOpacity,
+ gradient = color.linearGradient || color.radialGradient,
+ x1,
+ y1,
+ x2,
+ y2,
+ angle,
+ opacity1,
+ opacity2,
+ color1,
+ color2,
+ fillAttr = '',
+ stops = color.stops,
+ firstStop,
+ lastStop,
+ colors = [];
+
+ // Extend from 0 to 1
+ firstStop = stops[0];
+ lastStop = stops[stops.length - 1];
+ if (firstStop[0] > 0) {
+ stops.unshift([
+ 0,
+ firstStop[1]
+ ]);
+ }
+ if (lastStop[0] < 1) {
+ stops.push([
+ 1,
+ lastStop[1]
+ ]);
+ }
+
+ // Compute the stops
+ each(stops, function (stop, i) {
+ if (regexRgba.test(stop[1])) {
+ colorObject = Color(stop[1]);
+ stopColor = colorObject.get('rgb');
+ stopOpacity = colorObject.get('a');
+ } else {
+ stopColor = stop[1];
+ stopOpacity = 1;
+ }
+
+ // Build the color attribute
+ colors.push((stop[0] * 100) + '% ' + stopColor);
+
+ // Only start and end opacities are allowed, so we use the first and the last
+ if (!i) {
+ opacity1 = stopOpacity;
+ color2 = stopColor;
+ } else {
+ opacity2 = stopOpacity;
+ color1 = stopColor;
+ }
+ });
+
+ // Handle linear gradient angle
+ if (fillType === 'gradient') {
+ x1 = gradient.x1 || gradient[0] || 0;
+ y1 = gradient.y1 || gradient[1] || 0;
+ x2 = gradient.x2 || gradient[2] || 0;
+ y2 = gradient.y2 || gradient[3] || 0;
+ angle = 90 - math.atan(
+ (y2 - y1) / // y vector
+ (x2 - x1) // x vector
+ ) * 180 / mathPI;
+
+ // Radial (circular) gradient
+ } else {
+ // pie: http://jsfiddle.net/highcharts/66g8H/
+ // reference: http://jsfiddle.net/highcharts/etznJ/
+ // http://jsfiddle.net/highcharts/XRbCc/
+ // http://jsfiddle.net/highcharts/F3fwR/
+ // TODO:
+ // - correct for radialRefeence
+ // - check whether gradient stops are supported
+ // - add global option for gradient image (must relate to version)
+ var r = gradient.r,
+ size = r * 2,
+ cx = gradient.cx,
+ cy = gradient.cy;
+ //radialReference = elem.radialReference;
+
+ //if (radialReference) {
+ // Try setting pixel size, or other way to adjust the gradient size to the bounding box
+ //}
+ fillAttr = 'src="http://code.highcharts.com/gfx/radial-gradient.png" ' +
+ 'size="' + size + ',' + size + '" ' +
+ 'origin="0.5,0.5" ' +
+ 'position="' + cx + ',' + cy + '" ' +
+ 'color2="' + color2 + '" ';
+
+ // The fill element's color attribute is broken in IE8 standards mode, so we
+ // need to set the parent shape's fillcolor attribute instead.
+ ret = color1;
+ }
+
+
+
+ // Apply the gradient to fills only.
+ if (prop === 'fill') {
+
+ // when colors attribute is used, the meanings of opacity and o:opacity2
+ // are reversed.
+ markup = ['<fill colors="' + colors.join(',') + '" angle="', angle,
+ '" opacity="', opacity2, '" o:opacity2="', opacity1,
+ '" type="', fillType, '" ', fillAttr, 'focus="100%" method="any" />'];
+ createElement(this.prepVML(markup), null, null, elem);
+
+ // Gradients are not supported for VML stroke, return the first color. #722.
+ } else {
+ ret = stopColor;
+ }
+
+
+ // if the color is an rgba color, split it and add a fill node
+ // to hold the opacity component
+ } else if (regexRgba.test(color) && elem.tagName !== 'IMG') {
+
+ colorObject = Color(color);
+
+ markup = ['<', prop, ' opacity="', colorObject.get('a'), '"/>'];
+ createElement(this.prepVML(markup), null, null, elem);
+
+ ret = colorObject.get('rgb');
+
+
+ } else {
+ var strokeNodes = elem.getElementsByTagName(prop);
+ if (strokeNodes.length) {
+ strokeNodes[0].opacity = 1;
+ }
+ ret = color;
+ }
+
+ return ret;
+ },
+
+ /**
+ * Take a VML string and prepare it for either IE8 or IE6/IE7.
+ * @param {Array} markup A string array of the VML markup to prepare
+ */
+ prepVML: function (markup) {
+ var vmlStyle = 'display:inline-block;behavior:url(#default#VML);',
+ isIE8 = this.isIE8;
+
+ markup = markup.join('');
+
+ if (isIE8) { // add xmlns and style inline
+ markup = markup.replace('/>', ' xmlns="urn:schemas-microsoft-com:vml" />');
+ if (markup.indexOf('style="') === -1) {
+ markup = markup.replace('/>', ' style="' + vmlStyle + '" />');
+ } else {
+ markup = markup.replace('style="', 'style="' + vmlStyle);
+ }
+
+ } else { // add namespace
+ markup = markup.replace('<', '<hcv:');
+ }
+
+ return markup;
+ },
+
+ /**
+ * Create rotated and aligned text
+ * @param {String} str
+ * @param {Number} x
+ * @param {Number} y
+ */
+ text: SVGRenderer.prototype.html,
+
+ /**
+ * Create and return a path element
+ * @param {Array} path
+ */
+ path: function (path) {
+ var attr = {
+ // subpixel precision down to 0.1 (width and height = 1px)
+ coordsize: '10 10'
+ };
+ if (isArray(path)) {
+ attr.d = path;
+ } else if (isObject(path)) { // attributes
+ extend(attr, path);
+ }
+ // create the shape
+ return this.createElement('shape').attr(attr);
+ },
+
+ /**
+ * Create and return a circle element. In VML circles are implemented as
+ * shapes, which is faster than v:oval
+ * @param {Number} x
+ * @param {Number} y
+ * @param {Number} r
+ */
+ circle: function (x, y, r) {
+ return this.symbol('circle').attr({ x: x - r, y: y - r, width: 2 * r, height: 2 * r });
+ },
+
+ /**
+ * Create a group using an outer div and an inner v:group to allow rotating
+ * and flipping. A simple v:group would have problems with positioning
+ * child HTML elements and CSS clip.
+ *
+ * @param {String} name The name of the group
+ */
+ g: function (name) {
+ var wrapper,
+ attribs;
+
+ // set the class name
+ if (name) {
+ attribs = { 'className': PREFIX + name, 'class': PREFIX + name };
+ }
+
+ // the div to hold HTML and clipping
+ wrapper = this.createElement(DIV).attr(attribs);
+
+ return wrapper;
+ },
+
+ /**
+ * VML override to create a regular HTML image
+ * @param {String} src
+ * @param {Number} x
+ * @param {Number} y
+ * @param {Number} width
+ * @param {Number} height
+ */
+ image: function (src, x, y, width, height) {
+ var obj = this.createElement('img')
+ .attr({ src: src });
+
+ if (arguments.length > 1) {
+ obj.css({
+ left: x,
+ top: y,
+ width: width,
+ height: height
+ });
+ }
+ return obj;
+ },
+
+ /**
+ * VML uses a shape for rect to overcome bugs and rotation problems
+ */
+ rect: function (x, y, width, height, r, strokeWidth) {
+
+ if (isObject(x)) {
+ y = x.y;
+ width = x.width;
+ height = x.height;
+ strokeWidth = x.strokeWidth;
+ x = x.x;
+ }
+ var wrapper = this.symbol('rect');
+ wrapper.r = r;
+
+ return wrapper.attr(wrapper.crisp(strokeWidth, x, y, mathMax(width, 0), mathMax(height, 0)));
+ },
+
+ /**
+ * In the VML renderer, each child of an inverted div (group) is inverted
+ * @param {Object} element
+ * @param {Object} parentNode
+ */
+ invertChild: function (element, parentNode) {
+ var parentStyle = parentNode.style;
+ css(element, {
+ flip: 'x',
+ left: pInt(parentStyle.width) - 1,
+ top: pInt(parentStyle.height) - 1,
+ rotation: -90
+ });
+ },
+
+ /**
+ * Symbol definitions that override the parent SVG renderer's symbols
+ *
+ */
+ symbols: {
+ // VML specific arc function
+ arc: function (x, y, w, h, options) {
+ var start = options.start,
+ end = options.end,
+ radius = options.r || w || h,
+ cosStart = mathCos(start),
+ sinStart = mathSin(start),
+ cosEnd = mathCos(end),
+ sinEnd = mathSin(end),
+ innerRadius = options.innerR,
+ circleCorrection = 0.08 / radius, // #760
+ innerCorrection = (innerRadius && 0.1 / innerRadius) || 0,
+ ret;
+
+ if (end - start === 0) { // no angle, don't show it.
+ return ['x'];
+
+ } else if (2 * mathPI - end + start < circleCorrection) { // full circle
+ // empirical correction found by trying out the limits for different radii
+ cosEnd = -circleCorrection;
+ } else if (end - start < innerCorrection) { // issue #186, another mysterious VML arc problem
+ cosEnd = mathCos(start + innerCorrection);
+ }
+
+ ret = [
+ 'wa', // clockwise arc to
+ x - radius, // left
+ y - radius, // top
+ x + radius, // right
+ y + radius, // bottom
+ x + radius * cosStart, // start x
+ y + radius * sinStart, // start y
+ x + radius * cosEnd, // end x
+ y + radius * sinEnd // end y
+ ];
+
+ if (options.open) {
+ ret.push(
+ M,
+ x - innerRadius,
+ y - innerRadius
+ );
+ }
+
+ ret.push(
+ 'at', // anti clockwise arc to
+ x - innerRadius, // left
+ y - innerRadius, // top
+ x + innerRadius, // right
+ y + innerRadius, // bottom
+ x + innerRadius * cosEnd, // start x
+ y + innerRadius * sinEnd, // start y
+ x + innerRadius * cosStart, // end x
+ y + innerRadius * sinStart, // end y
+ 'x', // finish path
+ 'e' // close
+ );
+
+ return ret;
+
+ },
+ // Add circle symbol path. This performs significantly faster than v:oval.
+ circle: function (x, y, w, h) {
+
+ return [
+ 'wa', // clockwisearcto
+ x, // left
+ y, // top
+ x + w, // right
+ y + h, // bottom
+ x + w, // start x
+ y + h / 2, // start y
+ x + w, // end x
+ y + h / 2, // end y
+ //'x', // finish path
+ 'e' // close
+ ];
+ },
+ /**
+ * Add rectangle symbol path which eases rotation and omits arcsize problems
+ * compared to the built-in VML roundrect shape
+ *
+ * @param {Number} left Left position
+ * @param {Number} top Top position
+ * @param {Number} r Border radius
+ * @param {Object} options Width and height
+ */
+
+ rect: function (left, top, width, height, options) {
+
+ var right = left + width,
+ bottom = top + height,
+ ret,
+ r;
+
+ // No radius, return the more lightweight square
+ if (!defined(options) || !options.r) {
+ ret = SVGRenderer.prototype.symbols.square.apply(0, arguments);
+
+ // Has radius add arcs for the corners
+ } else {
+
+ r = mathMin(options.r, width, height);
+ ret = [
+ M,
+ left + r, top,
+
+ L,
+ right - r, top,
+ 'wa',
+ right - 2 * r, top,
+ right, top + 2 * r,
+ right - r, top,
+ right, top + r,
+
+ L,
+ right, bottom - r,
+ 'wa',
+ right - 2 * r, bottom - 2 * r,
+ right, bottom,
+ right, bottom - r,
+ right - r, bottom,
+
+ L,
+ left + r, bottom,
+ 'wa',
+ left, bottom - 2 * r,
+ left + 2 * r, bottom,
+ left + r, bottom,
+ left, bottom - r,
+
+ L,
+ left, top + r,
+ 'wa',
+ left, top,
+ left + 2 * r, top + 2 * r,
+ left, top + r,
+ left + r, top,
+
+
+ 'x',
+ 'e'
+ ];
+ }
+ return ret;
+ }
+ }
+};
+VMLRenderer = function () {
+ this.init.apply(this, arguments);
+};
+VMLRenderer.prototype = merge(SVGRenderer.prototype, VMLRendererExtension);
+
+ // general renderer
+ Renderer = VMLRenderer;
+}
+
+/* ****************************************************************************
+ * *
+ * END OF INTERNET EXPLORER <= 8 SPECIFIC CODE *
+ * *
+ *****************************************************************************/
+/* ****************************************************************************
+ * *
+ * START OF ANDROID < 3 SPECIFIC CODE. THIS CAN BE REMOVED IF YOU'RE NOT *
+ * TARGETING THAT SYSTEM. *
+ * *
+ *****************************************************************************/
+var CanVGRenderer,
+ CanVGController;
+
+if (useCanVG) {
+ /**
+ * The CanVGRenderer is empty from start to keep the source footprint small.
+ * When requested, the CanVGController downloads the rest of the source packaged
+ * together with the canvg library.
+ */
+ CanVGRenderer = function () {
+ // Empty constructor
+ };
+
+ /**
+ * Start with an empty symbols object. This is needed when exporting is used (exporting.src.js will add a few symbols), but
+ * the implementation from SvgRenderer will not be merged in until first render.
+ */
+ CanVGRenderer.prototype.symbols = {};
+
+ /**
+ * Handles on demand download of canvg rendering support.
+ */
+ CanVGController = (function () {
+ // List of renderering calls
+ var deferredRenderCalls = [];
+
+ /**
+ * When downloaded, we are ready to draw deferred charts.
+ */
+ function drawDeferred() {
+ var callLength = deferredRenderCalls.length,
+ callIndex;
+
+ // Draw all pending render calls
+ for (callIndex = 0; callIndex < callLength; callIndex++) {
+ deferredRenderCalls[callIndex]();
+ }
+ // Clear the list
+ deferredRenderCalls = [];
+ }
+
+ return {
+ push: function (func, scriptLocation) {
+ // Only get the script once
+ if (deferredRenderCalls.length === 0) {
+ getScript(scriptLocation, drawDeferred);
+ }
+ // Register render call
+ deferredRenderCalls.push(func);
+ }
+ };
+ }());
+} // end CanVGRenderer
+
+/* ****************************************************************************
+ * *
+ * END OF ANDROID < 3 SPECIFIC CODE *
+ * *
+ *****************************************************************************/
+
+/**
+ * General renderer
+ */
+Renderer = VMLRenderer || CanVGRenderer || SVGRenderer;
+/**
+ * The Tick class
+ */
+function Tick(axis, pos, type) {
+ this.axis = axis;
+ this.pos = pos;
+ this.type = type || '';
+ this.isNew = true;
+
+ if (!type) {
+ this.addLabel();
+ }
+}
+
+Tick.prototype = {
+ /**
+ * Write the tick label
+ */
+ addLabel: function () {
+ var tick = this,
+ axis = tick.axis,
+ options = axis.options,
+ chart = axis.chart,
+ horiz = axis.horiz,
+ categories = axis.categories,
+ pos = tick.pos,
+ labelOptions = options.labels,
+ str,
+ tickPositions = axis.tickPositions,
+ width = (categories && horiz && categories.length &&
+ !labelOptions.step && !labelOptions.staggerLines &&
+ !labelOptions.rotation &&
+ chart.plotWidth / tickPositions.length) ||
+ (!horiz && chart.plotWidth / 2),
+ isFirst = pos === tickPositions[0],
+ isLast = pos === tickPositions[tickPositions.length - 1],
+ css,
+ attr,
+ value = categories && defined(categories[pos]) ? categories[pos] : pos,
+ label = tick.label,
+ tickPositionInfo = tickPositions.info,
+ dateTimeLabelFormat;
+
+ // Set the datetime label format. If a higher rank is set for this position, use that. If not,
+ // use the general format.
+ if (axis.isDatetimeAxis && tickPositionInfo) {
+ dateTimeLabelFormat = options.dateTimeLabelFormats[tickPositionInfo.higherRanks[pos] || tickPositionInfo.unitName];
+ }
+
+ // set properties for access in render method
+ tick.isFirst = isFirst;
+ tick.isLast = isLast;
+
+ // get the string
+ str = axis.labelFormatter.call({
+ axis: axis,
+ chart: chart,
+ isFirst: isFirst,
+ isLast: isLast,
+ dateTimeLabelFormat: dateTimeLabelFormat,
+ value: axis.isLog ? correctFloat(lin2log(value)) : value
+ });
+
+ // prepare CSS
+ css = width && { width: mathMax(1, mathRound(width - 2 * (labelOptions.padding || 10))) + PX };
+ css = extend(css, labelOptions.style);
+
+ // first call
+ if (!defined(label)) {
+ attr = {
+ align: labelOptions.align
+ };
+ if (isNumber(labelOptions.rotation)) {
+ attr.rotation = labelOptions.rotation;
+ }
+ tick.label =
+ defined(str) && labelOptions.enabled ?
+ chart.renderer.text(
+ str,
+ 0,
+ 0,
+ labelOptions.useHTML
+ )
+ .attr(attr)
+ // without position absolute, IE export sometimes is wrong
+ .css(css)
+ .add(axis.axisGroup) :
+ null;
+
+ // update
+ } else if (label) {
+ label.attr({
+ text: str
+ })
+ .css(css);
+ }
+ },
+
+ /**
+ * Get the offset height or width of the label
+ */
+ getLabelSize: function () {
+ var label = this.label,
+ axis = this.axis;
+ return label ?
+ ((this.labelBBox = label.getBBox(true)))[axis.horiz ? 'height' : 'width'] :
+ 0;
+ },
+
+ /**
+ * Find how far the labels extend to the right and left of the tick's x position. Used for anti-collision
+ * detection with overflow logic.
+ */
+ getLabelSides: function () {
+ var bBox = this.labelBBox, // assume getLabelSize has run at this point
+ axis = this.axis,
+ options = axis.options,
+ labelOptions = options.labels,
+ width = bBox.width,
+ leftSide = width * { left: 0, center: 0.5, right: 1 }[labelOptions.align] - labelOptions.x;
+
+ return [-leftSide, width - leftSide];
+ },
+
+ /**
+ * Handle the label overflow by adjusting the labels to the left and right edge, or
+ * hide them if they collide into the neighbour label.
+ */
+ handleOverflow: function (index, xy) {
+ var show = true,
+ axis = this.axis,
+ chart = axis.chart,
+ isFirst = this.isFirst,
+ isLast = this.isLast,
+ x = xy.x,
+ reversed = axis.reversed,
+ tickPositions = axis.tickPositions;
+
+ if (isFirst || isLast) {
+
+ var sides = this.getLabelSides(),
+ leftSide = sides[0],
+ rightSide = sides[1],
+ plotLeft = chart.plotLeft,
+ plotRight = plotLeft + axis.len,
+ neighbour = axis.ticks[tickPositions[index + (isFirst ? 1 : -1)]],
+ neighbourEdge = neighbour && neighbour.label.xy.x + neighbour.getLabelSides()[isFirst ? 0 : 1];
+
+ if ((isFirst && !reversed) || (isLast && reversed)) {
+ // Is the label spilling out to the left of the plot area?
+ if (x + leftSide < plotLeft) {
+
+ // Align it to plot left
+ x = plotLeft - leftSide;
+
+ // Hide it if it now overlaps the neighbour label
+ if (neighbour && x + rightSide > neighbourEdge) {
+ show = false;
+ }
+ }
+
+ } else {
+ // Is the label spilling out to the right of the plot area?
+ if (x + rightSide > plotRight) {
+
+ // Align it to plot right
+ x = plotRight - rightSide;
+
+ // Hide it if it now overlaps the neighbour label
+ if (neighbour && x + leftSide < neighbourEdge) {
+ show = false;
+ }
+
+ }
+ }
+
+ // Set the modified x position of the label
+ xy.x = x;
+ }
+ return show;
+ },
+
+ /**
+ * Get the x and y position for ticks and labels
+ */
+ getPosition: function (horiz, pos, tickmarkOffset, old) {
+ var axis = this.axis,
+ chart = axis.chart,
+ cHeight = (old && chart.oldChartHeight) || chart.chartHeight;
+
+ return {
+ x: horiz ?
+ axis.translate(pos + tickmarkOffset, null, null, old) + axis.transB :
+ axis.left + axis.offset + (axis.opposite ? ((old && chart.oldChartWidth) || chart.chartWidth) - axis.right - axis.left : 0),
+
+ y: horiz ?
+ cHeight - axis.bottom + axis.offset - (axis.opposite ? axis.height : 0) :
+ cHeight - axis.translate(pos + tickmarkOffset, null, null, old) - axis.transB
+ };
+
+ },
+
+ /**
+ * Get the x, y position of the tick label
+ */
+ getLabelPosition: function (x, y, label, horiz, labelOptions, tickmarkOffset, index, step) {
+ var axis = this.axis,
+ transA = axis.transA,
+ reversed = axis.reversed,
+ staggerLines = axis.staggerLines;
+
+ x = x + labelOptions.x - (tickmarkOffset && horiz ?
+ tickmarkOffset * transA * (reversed ? -1 : 1) : 0);
+ y = y + labelOptions.y - (tickmarkOffset && !horiz ?
+ tickmarkOffset * transA * (reversed ? 1 : -1) : 0);
+
+ // Vertically centered
+ if (!defined(labelOptions.y)) {
+ y += pInt(label.styles.lineHeight) * 0.9 - label.getBBox().height / 2;
+ }
+
+ // Correct for staggered labels
+ if (staggerLines) {
+ y += (index / (step || 1) % staggerLines) * 16;
+ }
+
+ return {
+ x: x,
+ y: y
+ };
+ },
+
+ /**
+ * Extendible method to return the path of the marker
+ */
+ getMarkPath: function (x, y, tickLength, tickWidth, horiz, renderer) {
+ return renderer.crispLine([
+ M,
+ x,
+ y,
+ L,
+ x + (horiz ? 0 : -tickLength),
+ y + (horiz ? tickLength : 0)
+ ], tickWidth);
+ },
+
+ /**
+ * Put everything in place
+ *
+ * @param index {Number}
+ * @param old {Boolean} Use old coordinates to prepare an animation into new position
+ */
+ render: function (index, old) {
+ var tick = this,
+ axis = tick.axis,
+ options = axis.options,
+ chart = axis.chart,
+ renderer = chart.renderer,
+ horiz = axis.horiz,
+ type = tick.type,
+ label = tick.label,
+ pos = tick.pos,
+ labelOptions = options.labels,
+ gridLine = tick.gridLine,
+ gridPrefix = type ? type + 'Grid' : 'grid',
+ tickPrefix = type ? type + 'Tick' : 'tick',
+ gridLineWidth = options[gridPrefix + 'LineWidth'],
+ gridLineColor = options[gridPrefix + 'LineColor'],
+ dashStyle = options[gridPrefix + 'LineDashStyle'],
+ tickLength = options[tickPrefix + 'Length'],
+ tickWidth = options[tickPrefix + 'Width'] || 0,
+ tickColor = options[tickPrefix + 'Color'],
+ tickPosition = options[tickPrefix + 'Position'],
+ gridLinePath,
+ mark = tick.mark,
+ markPath,
+ step = labelOptions.step,
+ attribs,
+ show = true,
+ tickmarkOffset = (options.categories && options.tickmarkPlacement === 'between') ? 0.5 : 0,
+ xy = tick.getPosition(horiz, pos, tickmarkOffset, old),
+ x = xy.x,
+ y = xy.y,
+ staggerLines = axis.staggerLines;
+
+ // create the grid line
+ if (gridLineWidth) {
+ gridLinePath = axis.getPlotLinePath(pos + tickmarkOffset, gridLineWidth, old);
+
+ if (gridLine === UNDEFINED) {
+ attribs = {
+ stroke: gridLineColor,
+ 'stroke-width': gridLineWidth
+ };
+ if (dashStyle) {
+ attribs.dashstyle = dashStyle;
+ }
+ if (!type) {
+ attribs.zIndex = 1;
+ }
+ tick.gridLine = gridLine =
+ gridLineWidth ?
+ renderer.path(gridLinePath)
+ .attr(attribs).add(axis.gridGroup) :
+ null;
+ }
+
+ // If the parameter 'old' is set, the current call will be followed
+ // by another call, therefore do not do any animations this time
+ if (!old && gridLine && gridLinePath) {
+ gridLine[tick.isNew ? 'attr' : 'animate']({
+ d: gridLinePath
+ });
+ }
+ }
+
+ // create the tick mark
+ if (tickWidth) {
+
+ // negate the length
+ if (tickPosition === 'inside') {
+ tickLength = -tickLength;
+ }
+ if (axis.opposite) {
+ tickLength = -tickLength;
+ }
+
+ markPath = tick.getMarkPath(x, y, tickLength, tickWidth, horiz, renderer);
+
+ if (mark) { // updating
+ mark.animate({
+ d: markPath
+ });
+ } else { // first time
+ tick.mark = renderer.path(
+ markPath
+ ).attr({
+ stroke: tickColor,
+ 'stroke-width': tickWidth
+ }).add(axis.axisGroup);
+ }
+ }
+
+ // the label is created on init - now move it into place
+ if (label && !isNaN(x)) {
+ label.xy = xy = tick.getLabelPosition(x, y, label, horiz, labelOptions, tickmarkOffset, index, step);
+
+ // apply show first and show last
+ if ((tick.isFirst && !pick(options.showFirstLabel, 1)) ||
+ (tick.isLast && !pick(options.showLastLabel, 1))) {
+ show = false;
+
+ // Handle label overflow and show or hide accordingly
+ } else if (!staggerLines && horiz && labelOptions.overflow === 'justify' && !tick.handleOverflow(index, xy)) {
+ show = false;
+ }
+
+ // apply step
+ if (step && index % step) {
+ // show those indices dividable by step
+ show = false;
+ }
+
+ // Set the new position, and show or hide
+ if (show) {
+ label[tick.isNew ? 'attr' : 'animate'](xy);
+ label.show();
+ tick.isNew = false;
+ } else {
+ label.hide();
+ }
+ }
+ },
+
+ /**
+ * Destructor for the tick prototype
+ */
+ destroy: function () {
+ destroyObjectProperties(this, this.axis);
+ }
+};
+
+/**
+ * The object wrapper for plot lines and plot bands
+ * @param {Object} options
+ */
+function PlotLineOrBand(axis, options) {
+ this.axis = axis;
+
+ if (options) {
+ this.options = options;
+ this.id = options.id;
+ }
+
+ //plotLine.render()
+ return this;
+}
+
+PlotLineOrBand.prototype = {
+
+ /**
+ * Render the plot line or plot band. If it is already existing,
+ * move it.
+ */
+ render: function () {
+ var plotLine = this,
+ axis = plotLine.axis,
+ horiz = axis.horiz,
+ halfPointRange = (axis.pointRange || 0) / 2,
+ options = plotLine.options,
+ optionsLabel = options.label,
+ label = plotLine.label,
+ width = options.width,
+ to = options.to,
+ from = options.from,
+ isBand = defined(from) && defined(to),
+ value = options.value,
+ dashStyle = options.dashStyle,
+ svgElem = plotLine.svgElem,
+ path = [],
+ addEvent,
+ eventType,
+ xs,
+ ys,
+ x,
+ y,
+ color = options.color,
+ zIndex = options.zIndex,
+ events = options.events,
+ attribs,
+ renderer = axis.chart.renderer;
+
+ // logarithmic conversion
+ if (axis.isLog) {
+ from = log2lin(from);
+ to = log2lin(to);
+ value = log2lin(value);
+ }
+
+ // plot line
+ if (width) {
+ path = axis.getPlotLinePath(value, width);
+ attribs = {
+ stroke: color,
+ 'stroke-width': width
+ };
+ if (dashStyle) {
+ attribs.dashstyle = dashStyle;
+ }
+ } else if (isBand) { // plot band
+
+ // keep within plot area
+ from = mathMax(from, axis.min - halfPointRange);
+ to = mathMin(to, axis.max + halfPointRange);
+
+ path = axis.getPlotBandPath(from, to, options);
+ attribs = {
+ fill: color
+ };
+ if (options.borderWidth) {
+ attribs.stroke = options.borderColor;
+ attribs['stroke-width'] = options.borderWidth;
+ }
+ } else {
+ return;
+ }
+ // zIndex
+ if (defined(zIndex)) {
+ attribs.zIndex = zIndex;
+ }
+
+ // common for lines and bands
+ if (svgElem) {
+ if (path) {
+ svgElem.animate({
+ d: path
+ }, null, svgElem.onGetPath);
+ } else {
+ svgElem.hide();
+ svgElem.onGetPath = function () {
+ svgElem.show();
+ };
+ }
+ } else if (path && path.length) {
+ plotLine.svgElem = svgElem = renderer.path(path)
+ .attr(attribs).add();
+
+ // events
+ if (events) {
+ addEvent = function (eventType) {
+ svgElem.on(eventType, function (e) {
+ events[eventType].apply(plotLine, [e]);
+ });
+ };
+ for (eventType in events) {
+ addEvent(eventType);
+ }
+ }
+ }
+
+ // the plot band/line label
+ if (optionsLabel && defined(optionsLabel.text) && path && path.length && axis.width > 0 && axis.height > 0) {
+ // apply defaults
+ optionsLabel = merge({
+ align: horiz && isBand && 'center',
+ x: horiz ? !isBand && 4 : 10,
+ verticalAlign : !horiz && isBand && 'middle',
+ y: horiz ? isBand ? 16 : 10 : isBand ? 6 : -4,
+ rotation: horiz && !isBand && 90
+ }, optionsLabel);
+
+ // add the SVG element
+ if (!label) {
+ plotLine.label = label = renderer.text(
+ optionsLabel.text,
+ 0,
+ 0
+ )
+ .attr({
+ align: optionsLabel.textAlign || optionsLabel.align,
+ rotation: optionsLabel.rotation,
+ zIndex: zIndex
+ })
+ .css(optionsLabel.style)
+ .add();
+ }
+
+ // get the bounding box and align the label
+ xs = [path[1], path[4], pick(path[6], path[1])];
+ ys = [path[2], path[5], pick(path[7], path[2])];
+ x = arrayMin(xs);
+ y = arrayMin(ys);
+
+ label.align(optionsLabel, false, {
+ x: x,
+ y: y,
+ width: arrayMax(xs) - x,
+ height: arrayMax(ys) - y
+ });
+ label.show();
+
+ } else if (label) { // move out of sight
+ label.hide();
+ }
+
+ // chainable
+ return plotLine;
+ },
+
+ /**
+ * Remove the plot line or band
+ */
+ destroy: function () {
+ var plotLine = this,
+ axis = plotLine.axis;
+
+ // remove it from the lookup
+ erase(axis.plotLinesAndBands, plotLine);
+
+ destroyObjectProperties(plotLine, this.axis);
+ }
+};
+/**
+ * The class for stack items
+ */
+function StackItem(axis, options, isNegative, x, stackOption) {
+ var inverted = axis.chart.inverted;
+
+ this.axis = axis;
+
+ // Tells if the stack is negative
+ this.isNegative = isNegative;
+
+ // Save the options to be able to style the label
+ this.options = options;
+
+ // Save the x value to be able to position the label later
+ this.x = x;
+
+ // Save the stack option on the series configuration object
+ this.stack = stackOption;
+
+ // The align options and text align varies on whether the stack is negative and
+ // if the chart is inverted or not.
+ // First test the user supplied value, then use the dynamic.
+ this.alignOptions = {
+ align: options.align || (inverted ? (isNegative ? 'left' : 'right') : 'center'),
+ verticalAlign: options.verticalAlign || (inverted ? 'middle' : (isNegative ? 'bottom' : 'top')),
+ y: pick(options.y, inverted ? 4 : (isNegative ? 14 : -6)),
+ x: pick(options.x, inverted ? (isNegative ? -6 : 6) : 0)
+ };
+
+ this.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center');
+}
+
+StackItem.prototype = {
+ destroy: function () {
+ destroyObjectProperties(this, this.axis);
+ },
+
+ /**
+ * Sets the total of this stack. Should be called when a serie is hidden or shown
+ * since that will affect the total of other stacks.
+ */
+ setTotal: function (total) {
+ this.total = total;
+ this.cum = total;
+ },
+
+ /**
+ * Renders the stack total label and adds it to the stack label group.
+ */
+ render: function (group) {
+ var str = this.options.formatter.call(this); // format the text in the label
+
+ // Change the text to reflect the new total and set visibility to hidden in case the serie is hidden
+ if (this.label) {
+ this.label.attr({text: str, visibility: HIDDEN});
+ // Create new label
+ } else {
+ this.label =
+ this.axis.chart.renderer.text(str, 0, 0) // dummy positions, actual position updated with setOffset method in columnseries
+ .css(this.options.style) // apply style
+ .attr({align: this.textAlign, // fix the text-anchor
+ rotation: this.options.rotation, // rotation
+ visibility: HIDDEN }) // hidden until setOffset is called
+ .add(group); // add to the labels-group
+ }
+ },
+
+ /**
+ * Sets the offset that the stack has from the x value and repositions the label.
+ */
+ setOffset: function (xOffset, xWidth) {
+ var stackItem = this,
+ axis = stackItem.axis,
+ chart = axis.chart,
+ inverted = chart.inverted,
+ neg = this.isNegative, // special treatment is needed for negative stacks
+ y = axis.translate(this.total, 0, 0, 0, 1), // stack value translated mapped to chart coordinates
+ yZero = axis.translate(0), // stack origin
+ h = mathAbs(y - yZero), // stack height
+ x = chart.xAxis[0].translate(this.x) + xOffset, // stack x position
+ plotHeight = chart.plotHeight,
+ stackBox = { // this is the box for the complete stack
+ x: inverted ? (neg ? y : y - h) : x,
+ y: inverted ? plotHeight - x - xWidth : (neg ? (plotHeight - y - h) : plotHeight - y),
+ width: inverted ? h : xWidth,
+ height: inverted ? xWidth : h
+ };
+
+ if (this.label) {
+ this.label
+ .align(this.alignOptions, null, stackBox) // align the label to the box
+ .attr({visibility: VISIBLE}); // set visibility
+ }
+
+ }
+};
+/**
+ * Create a new axis object
+ * @param {Object} chart
+ * @param {Object} options
+ */
+function Axis() {
+ this.init.apply(this, arguments);
+}
+
+Axis.prototype = {
+
+ /**
+ * Default options for the X axis - the Y axis has extended defaults
+ */
+ defaultOptions: {
+ // allowDecimals: null,
+ // alternateGridColor: null,
+ // categories: [],
+ dateTimeLabelFormats: {
+ millisecond: '%H:%M:%S.%L',
+ second: '%H:%M:%S',
+ minute: '%H:%M',
+ hour: '%H:%M',
+ day: '%e. %b',
+ week: '%e. %b',
+ month: '%b \'%y',
+ year: '%Y'
+ },
+ endOnTick: false,
+ gridLineColor: '#C0C0C0',
+ // gridLineDashStyle: 'solid',
+ // gridLineWidth: 0,
+ // reversed: false,
+
+ labels: defaultLabelOptions,
+ // { step: null },
+ lineColor: '#C0D0E0',
+ lineWidth: 1,
+ //linkedTo: null,
+ //max: undefined,
+ //min: undefined,
+ minPadding: 0.01,
+ maxPadding: 0.01,
+ //minRange: null,
+ minorGridLineColor: '#E0E0E0',
+ // minorGridLineDashStyle: null,
+ minorGridLineWidth: 1,
+ minorTickColor: '#A0A0A0',
+ //minorTickInterval: null,
+ minorTickLength: 2,
+ minorTickPosition: 'outside', // inside or outside
+ //minorTickWidth: 0,
+ //opposite: false,
+ //offset: 0,
+ //plotBands: [{
+ // events: {},
+ // zIndex: 1,
+ // labels: { align, x, verticalAlign, y, style, rotation, textAlign }
+ //}],
+ //plotLines: [{
+ // events: {}
+ // dashStyle: {}
+ // zIndex:
+ // labels: { align, x, verticalAlign, y, style, rotation, textAlign }
+ //}],
+ //reversed: false,
+ // showFirstLabel: true,
+ // showLastLabel: true,
+ startOfWeek: 1,
+ startOnTick: false,
+ tickColor: '#C0D0E0',
+ //tickInterval: null,
+ tickLength: 5,
+ tickmarkPlacement: 'between', // on or between
+ tickPixelInterval: 100,
+ tickPosition: 'outside',
+ tickWidth: 1,
+ title: {
+ //text: null,
+ align: 'middle', // low, middle or high
+ //margin: 0 for horizontal, 10 for vertical axes,
+ //rotation: 0,
+ //side: 'outside',
+ style: {
+ color: '#6D869F',
+ //font: defaultFont.replace('normal', 'bold')
+ fontWeight: 'bold'
+ }
+ //x: 0,
+ //y: 0
+ },
+ type: 'linear' // linear, logarithmic or datetime
+ },
+
+ /**
+ * This options set extends the defaultOptions for Y axes
+ */
+ defaultYAxisOptions: {
+ endOnTick: true,
+ gridLineWidth: 1,
+ tickPixelInterval: 72,
+ showLastLabel: true,
+ labels: {
+ align: 'right',
+ x: -8,
+ y: 3
+ },
+ lineWidth: 0,
+ maxPadding: 0.05,
+ minPadding: 0.05,
+ startOnTick: true,
+ tickWidth: 0,
+ title: {
+ rotation: 270,
+ text: 'Y-values'
+ },
+ stackLabels: {
+ enabled: false,
+ //align: dynamic,
+ //y: dynamic,
+ //x: dynamic,
+ //verticalAlign: dynamic,
+ //textAlign: dynamic,
+ //rotation: 0,
+ formatter: function () {
+ return this.total;
+ },
+ style: defaultLabelOptions.style
+ }
+ },
+
+ /**
+ * These options extend the defaultOptions for left axes
+ */
+ defaultLeftAxisOptions: {
+ labels: {
+ align: 'right',
+ x: -8,
+ y: null
+ },
+ title: {
+ rotation: 270
+ }
+ },
+
+ /**
+ * These options extend the defaultOptions for right axes
+ */
+ defaultRightAxisOptions: {
+ labels: {
+ align: 'left',
+ x: 8,
+ y: null
+ },
+ title: {
+ rotation: 90
+ }
+ },
+
+ /**
+ * These options extend the defaultOptions for bottom axes
+ */
+ defaultBottomAxisOptions: {
+ labels: {
+ align: 'center',
+ x: 0,
+ y: 14
+ // overflow: undefined,
+ // staggerLines: null
+ },
+ title: {
+ rotation: 0
+ }
+ },
+ /**
+ * These options extend the defaultOptions for left axes
+ */
+ defaultTopAxisOptions: {
+ labels: {
+ align: 'center',
+ x: 0,
+ y: -5
+ // overflow: undefined
+ // staggerLines: null
+ },
+ title: {
+ rotation: 0
+ }
+ },
+
+ /**
+ * Initialize the axis
+ */
+ init: function (chart, userOptions) {
+
+
+ var isXAxis = userOptions.isX,
+ axis = this;
+
+ // Flag, is the axis horizontal
+ axis.horiz = chart.inverted ? !isXAxis : isXAxis;
+
+ // Flag, isXAxis
+ axis.isXAxis = isXAxis;
+ axis.xOrY = isXAxis ? 'x' : 'y';
+
+
+ axis.opposite = userOptions.opposite; // needed in setOptions
+ axis.side = axis.horiz ?
+ (axis.opposite ? 0 : 2) : // top : bottom
+ (axis.opposite ? 1 : 3); // right : left
+
+ axis.setOptions(userOptions);
+
+
+ var options = this.options,
+ type = options.type,
+ isDatetimeAxis = type === 'datetime';
+
+ axis.labelFormatter = options.labels.formatter || axis.defaultLabelFormatter; // can be overwritten by dynamic format
+
+
+ // Flag, stagger lines or not
+ axis.staggerLines = axis.horiz && options.labels.staggerLines;
+ axis.userOptions = userOptions;
+
+ //axis.axisTitleMargin = UNDEFINED,// = options.title.margin,
+ axis.minPixelPadding = 0;
+ //axis.ignoreMinPadding = UNDEFINED; // can be set to true by a column or bar series
+ //axis.ignoreMaxPadding = UNDEFINED;
+
+ axis.chart = chart;
+ axis.reversed = options.reversed;
+
+ // Initial categories
+ axis.categories = options.categories;
+
+ // Elements
+ //axis.axisGroup = UNDEFINED;
+ //axis.gridGroup = UNDEFINED;
+ //axis.axisTitle = UNDEFINED;
+ //axis.axisLine = UNDEFINED;
+
+ // Flag if type === logarithmic
+ axis.isLog = type === 'logarithmic';
+
+ // Flag, if axis is linked to another axis
+ axis.isLinked = defined(options.linkedTo);
+ // Linked axis.
+ //axis.linkedParent = UNDEFINED;
+
+ // Flag if type === datetime
+ axis.isDatetimeAxis = isDatetimeAxis;
+
+ // Flag if percentage mode
+ //axis.usePercentage = UNDEFINED;
+
+
+ // Tick positions
+ //axis.tickPositions = UNDEFINED; // array containing predefined positions
+ // Tick intervals
+ //axis.tickInterval = UNDEFINED;
+ //axis.minorTickInterval = UNDEFINED;
+
+ // Major ticks
+ axis.ticks = {};
+ // Minor ticks
+ axis.minorTicks = {};
+ //axis.tickAmount = UNDEFINED;
+
+ // List of plotLines/Bands
+ axis.plotLinesAndBands = [];
+
+ // Alternate bands
+ axis.alternateBands = {};
+
+ // Axis metrics
+ //axis.left = UNDEFINED;
+ //axis.top = UNDEFINED;
+ //axis.width = UNDEFINED;
+ //axis.height = UNDEFINED;
+ //axis.bottom = UNDEFINED;
+ //axis.right = UNDEFINED;
+ //axis.transA = UNDEFINED;
+ //axis.transB = UNDEFINED;
+ //axis.oldTransA = UNDEFINED;
+ axis.len = 0;
+ //axis.oldMin = UNDEFINED;
+ //axis.oldMax = UNDEFINED;
+ //axis.oldUserMin = UNDEFINED;
+ //axis.oldUserMax = UNDEFINED;
+ //axis.oldAxisLength = UNDEFINED;
+ axis.minRange = axis.userMinRange = options.minRange || options.maxZoom;
+ axis.range = options.range;
+ axis.offset = options.offset || 0;
+
+
+ // Dictionary for stacks
+ axis.stacks = {};
+
+ // Min and max in the data
+ //axis.dataMin = UNDEFINED,
+ //axis.dataMax = UNDEFINED,
+
+ // The axis range
+ axis.max = null;
+ axis.min = null;
+
+ // User set min and max
+ //axis.userMin = UNDEFINED,
+ //axis.userMax = UNDEFINED,
+
+ // Run Axis
+
+ var eventType,
+ events = axis.options.events;
+
+ // Register
+ chart.axes.push(axis);
+ chart[isXAxis ? 'xAxis' : 'yAxis'].push(axis);
+
+ axis.series = []; // populated by Series
+
+ // inverted charts have reversed xAxes as default
+ if (chart.inverted && isXAxis && axis.reversed === UNDEFINED) {
+ axis.reversed = true;
+ }
+
+ axis.removePlotBand = axis.removePlotBandOrLine;
+ axis.removePlotLine = axis.removePlotBandOrLine;
+ axis.addPlotBand = axis.addPlotBandOrLine;
+ axis.addPlotLine = axis.addPlotBandOrLine;
+
+
+ // register event listeners
+ for (eventType in events) {
+ addEvent(axis, eventType, events[eventType]);
+ }
+
+ // extend logarithmic axis
+ if (axis.isLog) {
+ axis.val2lin = log2lin;
+ axis.lin2val = lin2log;
+ }
+ },
+
+ /**
+ * Merge and set options
+ */
+ setOptions: function (userOptions) {
+ this.options = merge(
+ this.defaultOptions,
+ this.isXAxis ? {} : this.defaultYAxisOptions,
+ [this.defaultTopAxisOptions, this.defaultRightAxisOptions,
+ this.defaultBottomAxisOptions, this.defaultLeftAxisOptions][this.side],
+ userOptions
+ );
+ },
+
+
+ /**
+ * The default label formatter. The context is a special config object for the label.
+ */
+ defaultLabelFormatter: function () {
+ var axis = this.axis,
+ value = this.value,
+ categories = axis.categories,
+ tickInterval = axis.tickInterval,
+ dateTimeLabelFormat = this.dateTimeLabelFormat,
+ ret;
+
+ if (categories) {
+ ret = value;
+
+ } else if (dateTimeLabelFormat) { // datetime axis
+ ret = dateFormat(dateTimeLabelFormat, value);
+
+ } else if (tickInterval % 1000000 === 0) { // use M abbreviation
+ ret = (value / 1000000) + 'M';
+
+ } else if (tickInterval % 1000 === 0) { // use k abbreviation
+ ret = (value / 1000) + 'k';
+
+ } else if (value >= 1000) { // add thousands separators
+ ret = numberFormat(value, 0);
+
+ } else { // small numbers
+ ret = numberFormat(value, -1);
+ }
+ return ret;
+ },
+
+ /**
+ * Get the minimum and maximum for the series of each axis
+ */
+ getSeriesExtremes: function () {
+ var axis = this,
+ chart = axis.chart,
+ stacks = axis.stacks,
+ posStack = [],
+ negStack = [],
+ i;
+
+ // reset dataMin and dataMax in case we're redrawing
+ axis.dataMin = axis.dataMax = null;
+
+ // loop through this axis' series
+ each(axis.series, function (series) {
+
+ if (series.visible || !chart.options.chart.ignoreHiddenSeries) {
+
+ var seriesOptions = series.options,
+ stacking,
+ posPointStack,
+ negPointStack,
+ stackKey,
+ stackOption,
+ negKey,
+ xData,
+ yData,
+ x,
+ y,
+ threshold = seriesOptions.threshold,
+ yDataLength,
+ activeYData = [],
+ activeCounter = 0;
+
+ // Validate threshold in logarithmic axes
+ if (axis.isLog && threshold <= 0) {
+ threshold = seriesOptions.threshold = null;
+ }
+
+ // Get dataMin and dataMax for X axes
+ if (axis.isXAxis) {
+ xData = series.xData;
+ if (xData.length) {
+ axis.dataMin = mathMin(pick(axis.dataMin, xData[0]), arrayMin(xData));
+ axis.dataMax = mathMax(pick(axis.dataMax, xData[0]), arrayMax(xData));
+ }
+
+ // Get dataMin and dataMax for Y axes, as well as handle stacking and processed data
+ } else {
+ var isNegative,
+ pointStack,
+ key,
+ cropped = series.cropped,
+ xExtremes = series.xAxis.getExtremes(),
+ //findPointRange,
+ //pointRange,
+ j,
+ hasModifyValue = !!series.modifyValue;
+
+
+ // Handle stacking
+ stacking = seriesOptions.stacking;
+ axis.usePercentage = stacking === 'percent';
+
+ // create a stack for this particular series type
+ if (stacking) {
+ stackOption = seriesOptions.stack;
+ stackKey = series.type + pick(stackOption, '');
+ negKey = '-' + stackKey;
+ series.stackKey = stackKey; // used in translate
+
+ posPointStack = posStack[stackKey] || []; // contains the total values for each x
+ posStack[stackKey] = posPointStack;
+
+ negPointStack = negStack[negKey] || [];
+ negStack[negKey] = negPointStack;
+ }
+ if (axis.usePercentage) {
+ axis.dataMin = 0;
+ axis.dataMax = 99;
+ }
+
+ // processData can alter series.pointRange, so this goes after
+ //findPointRange = series.pointRange === null;
+
+ xData = series.processedXData;
+ yData = series.processedYData;
+ yDataLength = yData.length;
+
+ // loop over the non-null y values and read them into a local array
+ for (i = 0; i < yDataLength; i++) {
+ x = xData[i];
+ y = yData[i];
+ if (y !== null && y !== UNDEFINED) {
+
+ // read stacked values into a stack based on the x value,
+ // the sign of y and the stack key
+ if (stacking) {
+ isNegative = y < threshold;
+ pointStack = isNegative ? negPointStack : posPointStack;
+ key = isNegative ? negKey : stackKey;
+
+ y = pointStack[x] =
+ defined(pointStack[x]) ?
+ pointStack[x] + y : y;
+
+
+ // add the series
+ if (!stacks[key]) {
+ stacks[key] = {};
+ }
+
+ // If the StackItem is there, just update the values,
+ // if not, create one first
+ if (!stacks[key][x]) {
+ stacks[key][x] = new StackItem(axis, axis.options.stackLabels, isNegative, x, stackOption);
+ }
+ stacks[key][x].setTotal(y);
+
+
+ // general hook, used for Highstock compare values feature
+ } else if (hasModifyValue) {
+ y = series.modifyValue(y);
+ }
+
+ // get the smallest distance between points
+ /*if (i) {
+ distance = mathAbs(xData[i] - xData[i - 1]);
+ pointRange = pointRange === UNDEFINED ? distance : mathMin(distance, pointRange);
+ }*/
+
+ // for points within the visible range, including the first point outside the
+ // visible range, consider y extremes
+ if (cropped || ((xData[i + 1] || x) >= xExtremes.min && (xData[i - 1] || x) <= xExtremes.max)) {
+
+ j = y.length;
+ if (j) { // array, like ohlc or range data
+ while (j--) {
+ if (y[j] !== null) {
+ activeYData[activeCounter++] = y[j];
+ }
+ }
+ } else {
+ activeYData[activeCounter++] = y;
+ }
+ }
+ }
+ }
+
+ // record the least unit distance
+ /*if (findPointRange) {
+ series.pointRange = pointRange || 1;
+ }
+ series.closestPointRange = pointRange;*/
+
+ // Get the dataMin and dataMax so far. If percentage is used, the min and max are
+ // always 0 and 100. If the length of activeYData is 0, continue with null values.
+ if (!axis.usePercentage && activeYData.length) {
+ axis.dataMin = mathMin(pick(axis.dataMin, activeYData[0]), arrayMin(activeYData));
+ axis.dataMax = mathMax(pick(axis.dataMax, activeYData[0]), arrayMax(activeYData));
+ }
+
+ // Adjust to threshold
+ if (defined(threshold)) {
+ if (axis.dataMin >= threshold) {
+ axis.dataMin = threshold;
+ axis.ignoreMinPadding = true;
+ } else if (axis.dataMax < threshold) {
+ axis.dataMax = threshold;
+ axis.ignoreMaxPadding = true;
+ }
+ }
+ }
+ }
+ });
+ },
+
+ /**
+ * Translate from axis value to pixel position on the chart, or back
+ *
+ */
+ translate: function (val, backwards, cvsCoord, old, handleLog) {
+ var axis = this,
+ axisLength = axis.len,
+ sign = 1,
+ cvsOffset = 0,
+ localA = old ? axis.oldTransA : axis.transA,
+ localMin = old ? axis.oldMin : axis.min,
+ returnValue,
+ postTranslate = axis.options.ordinal || (axis.isLog && handleLog);
+
+ if (!localA) {
+ localA = axis.transA;
+ }
+
+ if (cvsCoord) {
+ sign *= -1; // canvas coordinates inverts the value
+ cvsOffset = axisLength;
+ }
+ if (axis.reversed) { // reversed axis
+ sign *= -1;
+ cvsOffset -= sign * axisLength;
+ }
+
+ if (backwards) { // reverse translation
+ if (axis.reversed) {
+ val = axisLength - val;
+ }
+ returnValue = val / localA + localMin; // from chart pixel to value
+ if (postTranslate) { // log and ordinal axes
+ returnValue = axis.lin2val(returnValue);
+ }
+
+ } else { // normal translation, from axis value to pixel, relative to plot
+ if (postTranslate) { // log and ordinal axes
+ val = axis.val2lin(val);
+ }
+
+ returnValue = sign * (val - localMin) * localA + cvsOffset + (sign * axis.minPixelPadding);
+ }
+
+ return returnValue;
+ },
+
+ /**
+ * Create the path for a plot line that goes from the given value on
+ * this axis, across the plot to the opposite side
+ * @param {Number} value
+ * @param {Number} lineWidth Used for calculation crisp line
+ * @param {Number] old Use old coordinates (for resizing and rescaling)
+ */
+ getPlotLinePath: function (value, lineWidth, old) {
+ var axis = this,
+ chart = axis.chart,
+ axisLeft = axis.left,
+ axisTop = axis.top,
+ x1,
+ y1,
+ x2,
+ y2,
+ translatedValue = axis.translate(value, null, null, old),
+ cHeight = (old && chart.oldChartHeight) || chart.chartHeight,
+ cWidth = (old && chart.oldChartWidth) || chart.chartWidth,
+ skip,
+ transB = axis.transB;
+
+ x1 = x2 = mathRound(translatedValue + transB);
+ y1 = y2 = mathRound(cHeight - translatedValue - transB);
+
+ if (isNaN(translatedValue)) { // no min or max
+ skip = true;
+
+ } else if (axis.horiz) {
+ y1 = axisTop;
+ y2 = cHeight - axis.bottom;
+ if (x1 < axisLeft || x1 > axisLeft + axis.width) {
+ skip = true;
+ }
+ } else {
+ x1 = axisLeft;
+ x2 = cWidth - axis.right;
+
+ if (y1 < axisTop || y1 > axisTop + axis.height) {
+ skip = true;
+ }
+ }
+ return skip ?
+ null :
+ chart.renderer.crispLine([M, x1, y1, L, x2, y2], lineWidth || 0);
+ },
+
+ /**
+ * Create the path for a plot band
+ */
+ getPlotBandPath: function (from, to) {
+
+ var toPath = this.getPlotLinePath(to),
+ path = this.getPlotLinePath(from);
+
+ if (path && toPath) {
+ path.push(
+ toPath[4],
+ toPath[5],
+ toPath[1],
+ toPath[2]
+ );
+ } else { // outside the axis area
+ path = null;
+ }
+
+ return path;
+ },
+
+ /**
+ * Set the tick positions of a linear axis to round values like whole tens or every five.
+ */
+ getLinearTickPositions: function (tickInterval, min, max) {
+ var pos,
+ lastPos,
+ roundedMin = correctFloat(mathFloor(min / tickInterval) * tickInterval),
+ roundedMax = correctFloat(mathCeil(max / tickInterval) * tickInterval),
+ tickPositions = [];
+
+ // Populate the intermediate values
+ pos = roundedMin;
+ while (pos <= roundedMax) {
+
+ // Place the tick on the rounded value
+ tickPositions.push(pos);
+
+ // Always add the raw tickInterval, not the corrected one.
+ pos = correctFloat(pos + tickInterval);
+
+ // If the interval is not big enough in the current min - max range to actually increase
+ // the loop variable, we need to break out to prevent endless loop. Issue #619
+ if (pos === lastPos) {
+ break;
+ }
+
+ // Record the last value
+ lastPos = pos;
+ }
+ return tickPositions;
+ },
+
+ /**
+ * Set the tick positions of a logarithmic axis
+ */
+ getLogTickPositions: function (interval, min, max, minor) {
+ var axis = this,
+ options = axis.options,
+ axisLength = axis.len;
+
+ // Since we use this method for both major and minor ticks,
+ // use a local variable and return the result
+ var positions = [];
+
+ // Reset
+ if (!minor) {
+ axis._minorAutoInterval = null;
+ }
+
+ // First case: All ticks fall on whole logarithms: 1, 10, 100 etc.
+ if (interval >= 0.5) {
+ interval = mathRound(interval);
+ positions = axis.getLinearTickPositions(interval, min, max);
+
+ // Second case: We need intermediary ticks. For example
+ // 1, 2, 4, 6, 8, 10, 20, 40 etc.
+ } else if (interval >= 0.08) {
+ var roundedMin = mathFloor(min),
+ intermediate,
+ i,
+ j,
+ len,
+ pos,
+ lastPos,
+ break2;
+
+ if (interval > 0.3) {
+ intermediate = [1, 2, 4];
+ } else if (interval > 0.15) { // 0.2 equals five minor ticks per 1, 10, 100 etc
+ intermediate = [1, 2, 4, 6, 8];
+ } else { // 0.1 equals ten minor ticks per 1, 10, 100 etc
+ intermediate = [1, 2, 3, 4, 5, 6, 7, 8, 9];
+ }
+
+ for (i = roundedMin; i < max + 1 && !break2; i++) {
+ len = intermediate.length;
+ for (j = 0; j < len && !break2; j++) {
+ pos = log2lin(lin2log(i) * intermediate[j]);
+
+ if (pos > min) {
+ positions.push(lastPos);
+ }
+
+ if (lastPos > max) {
+ break2 = true;
+ }
+ lastPos = pos;
+ }
+ }
+
+ // Third case: We are so deep in between whole logarithmic values that
+ // we might as well handle the tick positions like a linear axis. For
+ // example 1.01, 1.02, 1.03, 1.04.
+ } else {
+ var realMin = lin2log(min),
+ realMax = lin2log(max),
+ tickIntervalOption = options[minor ? 'minorTickInterval' : 'tickInterval'],
+ filteredTickIntervalOption = tickIntervalOption === 'auto' ? null : tickIntervalOption,
+ tickPixelIntervalOption = options.tickPixelInterval / (minor ? 5 : 1),
+ totalPixelLength = minor ? axisLength / axis.tickPositions.length : axisLength;
+
+ interval = pick(
+ filteredTickIntervalOption,
+ axis._minorAutoInterval,
+ (realMax - realMin) * tickPixelIntervalOption / (totalPixelLength || 1)
+ );
+
+ interval = normalizeTickInterval(
+ interval,
+ null,
+ math.pow(10, mathFloor(math.log(interval) / math.LN10))
+ );
+
+ positions = map(axis.getLinearTickPositions(
+ interval,
+ realMin,
+ realMax
+ ), log2lin);
+
+ if (!minor) {
+ axis._minorAutoInterval = interval / 5;
+ }
+ }
+
+ // Set the axis-level tickInterval variable
+ if (!minor) {
+ axis.tickInterval = interval;
+ }
+ return positions;
+ },
+
+ /**
+ * Return the minor tick positions. For logarithmic axes, reuse the same logic
+ * as for major ticks.
+ */
+ getMinorTickPositions: function () {
+ var axis = this,
+ tickPositions = axis.tickPositions,
+ minorTickInterval = axis.minorTickInterval;
+
+ var minorTickPositions = [],
+ pos,
+ i,
+ len;
+
+ if (axis.isLog) {
+ len = tickPositions.length;
+ for (i = 1; i < len; i++) {
+ minorTickPositions = minorTickPositions.concat(
+ axis.getLogTickPositions(minorTickInterval, tickPositions[i - 1], tickPositions[i], true)
+ );
+ }
+
+ } else {
+ for (pos = axis.min + (tickPositions[0] - axis.min) % minorTickInterval; pos <= axis.max; pos += minorTickInterval) {
+ minorTickPositions.push(pos);
+ }
+ }
+
+ return minorTickPositions;
+ },
+
+ /**
+ * Adjust the min and max for the minimum range. Keep in mind that the series data is
+ * not yet processed, so we don't have information on data cropping and grouping, or
+ * updated axis.pointRange or series.pointRange. The data can't be processed until
+ * we have finally established min and max.
+ */
+ adjustForMinRange: function () {
+ var axis = this,
+ options = axis.options,
+ min = axis.min,
+ max = axis.max,
+ zoomOffset,
+ spaceAvailable = axis.dataMax - axis.dataMin >= axis.minRange,
+ closestDataRange,
+ i,
+ distance,
+ xData,
+ loopLength,
+ minArgs,
+ maxArgs;
+
+ // Set the automatic minimum range based on the closest point distance
+ if (axis.isXAxis && axis.minRange === UNDEFINED && !axis.isLog) {
+
+ if (defined(options.min) || defined(options.max)) {
+ axis.minRange = null; // don't do this again
+
+ } else {
+
+ // Find the closest distance between raw data points, as opposed to
+ // closestPointRange that applies to processed points (cropped and grouped)
+ each(axis.series, function (series) {
+ xData = series.xData;
+ loopLength = series.xIncrement ? 1 : xData.length - 1;
+ for (i = loopLength; i > 0; i--) {
+ distance = xData[i] - xData[i - 1];
+ if (closestDataRange === UNDEFINED || distance < closestDataRange) {
+ closestDataRange = distance;
+ }
+ }
+ });
+ axis.minRange = mathMin(closestDataRange * 5, axis.dataMax - axis.dataMin);
+ }
+ }
+
+ // if minRange is exceeded, adjust
+ if (max - min < axis.minRange) {
+ var minRange = axis.minRange;
+ zoomOffset = (minRange - max + min) / 2;
+
+ // if min and max options have been set, don't go beyond it
+ minArgs = [min - zoomOffset, pick(options.min, min - zoomOffset)];
+ if (spaceAvailable) { // if space is available, stay within the data range
+ minArgs[2] = axis.dataMin;
+ }
+ min = arrayMax(minArgs);
+
+ maxArgs = [min + minRange, pick(options.max, min + minRange)];
+ if (spaceAvailable) { // if space is availabe, stay within the data range
+ maxArgs[2] = axis.dataMax;
+ }
+
+ max = arrayMin(maxArgs);
+
+ // now if the max is adjusted, adjust the min back
+ if (max - min < minRange) {
+ minArgs[0] = max - minRange;
+ minArgs[1] = pick(options.min, max - minRange);
+ min = arrayMax(minArgs);
+ }
+ }
+
+ // Record modified extremes
+ axis.min = min;
+ axis.max = max;
+ },
+
+ /**
+ * Update translation information
+ */
+ setAxisTranslation: function () {
+ var axis = this,
+ range = axis.max - axis.min,
+ pointRange = 0,
+ closestPointRange,
+ seriesClosestPointRange,
+ transA = axis.transA;
+
+ // adjust translation for padding
+ if (axis.isXAxis) {
+ if (axis.isLinked) {
+ pointRange = axis.linkedParent.pointRange;
+ } else {
+ each(axis.series, function (series) {
+ pointRange = mathMax(pointRange, series.pointRange);
+ seriesClosestPointRange = series.closestPointRange;
+ if (!series.noSharedTooltip && defined(seriesClosestPointRange)) {
+ closestPointRange = defined(closestPointRange) ?
+ mathMin(closestPointRange, seriesClosestPointRange) :
+ seriesClosestPointRange;
+ }
+ });
+ }
+
+ // pointRange means the width reserved for each point, like in a column chart
+ axis.pointRange = pointRange;
+
+ // closestPointRange means the closest distance between points. In columns
+ // it is mostly equal to pointRange, but in lines pointRange is 0 while closestPointRange
+ // is some other value
+ axis.closestPointRange = closestPointRange;
+ }
+
+ // secondary values
+ axis.oldTransA = transA;
+ axis.translationSlope = axis.transA = transA = axis.len / ((range + pointRange) || 1);
+ axis.transB = axis.horiz ? axis.left : axis.bottom; // translation addend
+ axis.minPixelPadding = transA * (pointRange / 2);
+ },
+
+ /**
+ * Set the tick positions to round values and optionally extend the extremes
+ * to the nearest tick
+ */
+ setTickPositions: function (secondPass) {
+ var axis = this,
+ chart = axis.chart,
+ options = axis.options,
+ isLog = axis.isLog,
+ isDatetimeAxis = axis.isDatetimeAxis,
+ isXAxis = axis.isXAxis,
+ isLinked = axis.isLinked,
+ tickPositioner = axis.options.tickPositioner,
+ magnitude,
+ maxPadding = options.maxPadding,
+ minPadding = options.minPadding,
+ length,
+ linkedParentExtremes,
+ tickIntervalOption = options.tickInterval,
+ tickPixelIntervalOption = options.tickPixelInterval,
+ tickPositions,
+ categories = axis.categories;
+
+ // linked axis gets the extremes from the parent axis
+ if (isLinked) {
+ axis.linkedParent = chart[isXAxis ? 'xAxis' : 'yAxis'][options.linkedTo];
+ linkedParentExtremes = axis.linkedParent.getExtremes();
+ axis.min = pick(linkedParentExtremes.min, linkedParentExtremes.dataMin);
+ axis.max = pick(linkedParentExtremes.max, linkedParentExtremes.dataMax);
+ if (options.type !== axis.linkedParent.options.type) {
+ error(11, 1); // Can't link axes of different type
+ }
+ } else { // initial min and max from the extreme data values
+ axis.min = pick(axis.userMin, options.min, axis.dataMin);
+ axis.max = pick(axis.userMax, options.max, axis.dataMax);
+ }
+
+ if (isLog) {
+ if (!secondPass && mathMin(axis.min, pick(axis.dataMin, axis.min)) <= 0) { // #978
+ error(10, 1); // Can't plot negative values on log axis
+ }
+ axis.min = correctFloat(log2lin(axis.min)); // correctFloat cures #934
+ axis.max = correctFloat(log2lin(axis.max));
+ }
+
+ // handle zoomed range
+ if (axis.range) {
+ axis.userMin = axis.min = mathMax(axis.min, axis.max - axis.range); // #618
+ axis.userMax = axis.max;
+ if (secondPass) {
+ axis.range = null; // don't use it when running setExtremes
+ }
+ }
+
+ // adjust min and max for the minimum range
+ axis.adjustForMinRange();
+
+ // pad the values to get clear of the chart's edges
+ if (!categories && !axis.usePercentage && !isLinked && defined(axis.min) && defined(axis.max)) {
+ length = (axis.max - axis.min) || 1;
+ if (!defined(options.min) && !defined(axis.userMin) && minPadding && (axis.dataMin < 0 || !axis.ignoreMinPadding)) {
+ axis.min -= length * minPadding;
+ }
+ if (!defined(options.max) && !defined(axis.userMax) && maxPadding && (axis.dataMax > 0 || !axis.ignoreMaxPadding)) {
+ axis.max += length * maxPadding;
+ }
+ }
+
+ // get tickInterval
+ if (axis.min === axis.max || axis.min === undefined || axis.max === undefined) {
+ axis.tickInterval = 1;
+ } else if (isLinked && !tickIntervalOption &&
+ tickPixelIntervalOption === axis.linkedParent.options.tickPixelInterval) {
+ axis.tickInterval = axis.linkedParent.tickInterval;
+ } else {
+ axis.tickInterval = pick(
+ tickIntervalOption,
+ categories ? // for categoried axis, 1 is default, for linear axis use tickPix
+ 1 :
+ (axis.max - axis.min) * tickPixelIntervalOption / (axis.len || 1)
+ );
+ }
+
+ // Now we're finished detecting min and max, crop and group series data. This
+ // is in turn needed in order to find tick positions in ordinal axes.
+ if (isXAxis && !secondPass) {
+ each(axis.series, function (series) {
+ series.processData(axis.min !== axis.oldMin || axis.max !== axis.oldMax);
+ });
+ }
+
+ // set the translation factor used in translate function
+ axis.setAxisTranslation();
+
+ // hook for ordinal axes. To do: merge with below
+ if (axis.beforeSetTickPositions) {
+ axis.beforeSetTickPositions();
+ }
+
+ // hook for extensions, used in Highstock ordinal axes
+ if (axis.postProcessTickInterval) {
+ axis.tickInterval = axis.postProcessTickInterval(axis.tickInterval);
+ }
+
+ // for linear axes, get magnitude and normalize the interval
+ if (!isDatetimeAxis && !isLog) { // linear
+ magnitude = math.pow(10, mathFloor(math.log(axis.tickInterval) / math.LN10));
+ if (!defined(options.tickInterval)) {
+ axis.tickInterval = normalizeTickInterval(axis.tickInterval, null, magnitude, options);
+ }
+ }
+
+ // get minorTickInterval
+ axis.minorTickInterval = options.minorTickInterval === 'auto' && axis.tickInterval ?
+ axis.tickInterval / 5 : options.minorTickInterval;
+
+ // find the tick positions
+ axis.tickPositions = tickPositions = options.tickPositions || (tickPositioner && tickPositioner.apply(axis, [axis.min, axis.max]));
+ if (!tickPositions) {
+ if (isDatetimeAxis) {
+ tickPositions = (axis.getNonLinearTimeTicks || getTimeTicks)(
+ normalizeTimeTickInterval(axis.tickInterval, options.units),
+ axis.min,
+ axis.max,
+ options.startOfWeek,
+ axis.ordinalPositions,
+ axis.closestPointRange,
+ true
+ );
+ } else if (isLog) {
+ tickPositions = axis.getLogTickPositions(axis.tickInterval, axis.min, axis.max);
+ } else {
+ tickPositions = axis.getLinearTickPositions(axis.tickInterval, axis.min, axis.max);
+ }
+ axis.tickPositions = tickPositions;
+ }
+
+ if (!isLinked) {
+
+ // reset min/max or remove extremes based on start/end on tick
+ var roundedMin = tickPositions[0],
+ roundedMax = tickPositions[tickPositions.length - 1];
+
+ if (options.startOnTick) {
+ axis.min = roundedMin;
+ } else if (axis.min > roundedMin) {
+ tickPositions.shift();
+ }
+
+ if (options.endOnTick) {
+ axis.max = roundedMax;
+ } else if (axis.max < roundedMax) {
+ tickPositions.pop();
+ }
+
+ }
+ },
+
+ /**
+ * Set the max ticks of either the x and y axis collection
+ */
+ setMaxTicks: function () {
+
+ var chart = this.chart,
+ maxTicks = chart.maxTicks,
+ tickPositions = this.tickPositions,
+ xOrY = this.xOrY;
+
+ if (!maxTicks) { // first call, or maxTicks have been reset after a zoom operation
+ maxTicks = {
+ x: 0,
+ y: 0
+ };
+ }
+
+ if (!this.isLinked && !this.isDatetimeAxis && tickPositions.length > maxTicks[xOrY] && this.options.alignTicks !== false) {
+ maxTicks[xOrY] = tickPositions.length;
+ }
+ chart.maxTicks = maxTicks;
+ },
+
+ /**
+ * When using multiple axes, adjust the number of ticks to match the highest
+ * number of ticks in that group
+ */
+ adjustTickAmount: function () {
+ var axis = this,
+ chart = axis.chart,
+ xOrY = axis.xOrY,
+ tickPositions = axis.tickPositions,
+ maxTicks = chart.maxTicks;
+
+ if (maxTicks && maxTicks[xOrY] && !axis.isDatetimeAxis && !axis.categories && !axis.isLinked && axis.options.alignTicks !== false) { // only apply to linear scale
+ var oldTickAmount = axis.tickAmount,
+ calculatedTickAmount = tickPositions.length,
+ tickAmount;
+
+ // set the axis-level tickAmount to use below
+ axis.tickAmount = tickAmount = maxTicks[xOrY];
+
+ if (calculatedTickAmount < tickAmount) {
+ while (tickPositions.length < tickAmount) {
+ tickPositions.push(correctFloat(
+ tickPositions[tickPositions.length - 1] + axis.tickInterval
+ ));
+ }
+ axis.transA *= (calculatedTickAmount - 1) / (tickAmount - 1);
+ axis.max = tickPositions[tickPositions.length - 1];
+
+ }
+ if (defined(oldTickAmount) && tickAmount !== oldTickAmount) {
+ axis.isDirty = true;
+ }
+ }
+ },
+
+ /**
+ * Set the scale based on data min and max, user set min and max or options
+ *
+ */
+ setScale: function () {
+ var axis = this,
+ stacks = axis.stacks,
+ type,
+ i,
+ isDirtyData,
+ isDirtyAxisLength;
+
+ axis.oldMin = axis.min;
+ axis.oldMax = axis.max;
+ axis.oldAxisLength = axis.len;
+
+ // set the new axisLength
+ axis.setAxisSize();
+ //axisLength = horiz ? axisWidth : axisHeight;
+ isDirtyAxisLength = axis.len !== axis.oldAxisLength;
+
+ // is there new data?
+ each(axis.series, function (series) {
+ if (series.isDirtyData || series.isDirty ||
+ series.xAxis.isDirty) { // when x axis is dirty, we need new data extremes for y as well
+ isDirtyData = true;
+ }
+ });
+
+ // do we really need to go through all this?
+ if (isDirtyAxisLength || isDirtyData || axis.isLinked ||
+ axis.userMin !== axis.oldUserMin || axis.userMax !== axis.oldUserMax) {
+
+ // get data extremes if needed
+ axis.getSeriesExtremes();
+
+ // get fixed positions based on tickInterval
+ axis.setTickPositions();
+
+ // record old values to decide whether a rescale is necessary later on (#540)
+ axis.oldUserMin = axis.userMin;
+ axis.oldUserMax = axis.userMax;
+
+ // Mark as dirty if it is not already set to dirty and extremes have changed. #595.
+ if (!axis.isDirty) {
+ axis.isDirty = isDirtyAxisLength || axis.min !== axis.oldMin || axis.max !== axis.oldMax;
+ }
+ }
+
+
+ // reset stacks
+ if (!axis.isXAxis) {
+ for (type in stacks) {
+ for (i in stacks[type]) {
+ stacks[type][i].cum = stacks[type][i].total;
+ }
+ }
+ }
+
+ // Set the maximum tick amount
+ axis.setMaxTicks();
+ },
+
+ /**
+ * Set the extremes and optionally redraw
+ * @param {Number} newMin
+ * @param {Number} newMax
+ * @param {Boolean} redraw
+ * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
+ * configuration
+ * @param {Object} eventArguments
+ *
+ */
+ setExtremes: function (newMin, newMax, redraw, animation, eventArguments) {
+ var axis = this,
+ chart = axis.chart;
+
+ redraw = pick(redraw, true); // defaults to true
+
+ // Extend the arguments with min and max
+ eventArguments = extend(eventArguments, {
+ min: newMin,
+ max: newMax
+ });
+
+ // Fire the event
+ fireEvent(axis, 'setExtremes', eventArguments, function () { // the default event handler
+
+ axis.userMin = newMin;
+ axis.userMax = newMax;
+
+ // Mark for running afterSetExtremes
+ axis.isDirtyExtremes = true;
+
+ // redraw
+ if (redraw) {
+ chart.redraw(animation);
+ }
+ });
+ },
+
+ /**
+ * Update the axis metrics
+ */
+ setAxisSize: function () {
+ var axis = this,
+ chart = axis.chart,
+ options = axis.options;
+
+ var offsetLeft = options.offsetLeft || 0,
+ offsetRight = options.offsetRight || 0;
+
+ // basic values
+ // expose to use in Series object and navigator
+ axis.left = pick(options.left, chart.plotLeft + offsetLeft);
+ axis.top = pick(options.top, chart.plotTop);
+ axis.width = pick(options.width, chart.plotWidth - offsetLeft + offsetRight);
+ axis.height = pick(options.height, chart.plotHeight);
+ axis.bottom = chart.chartHeight - axis.height - axis.top;
+ axis.right = chart.chartWidth - axis.width - axis.left;
+ axis.len = mathMax(axis.horiz ? axis.width : axis.height, 0); // mathMax fixes #905
+ },
+
+ /**
+ * Get the actual axis extremes
+ */
+ getExtremes: function () {
+ var axis = this,
+ isLog = axis.isLog;
+
+ return {
+ min: isLog ? correctFloat(lin2log(axis.min)) : axis.min,
+ max: isLog ? correctFloat(lin2log(axis.max)) : axis.max,
+ dataMin: axis.dataMin,
+ dataMax: axis.dataMax,
+ userMin: axis.userMin,
+ userMax: axis.userMax
+ };
+ },
+
+ /**
+ * Get the zero plane either based on zero or on the min or max value.
+ * Used in bar and area plots
+ */
+ getThreshold: function (threshold) {
+ var axis = this,
+ isLog = axis.isLog;
+
+ var realMin = isLog ? lin2log(axis.min) : axis.min,
+ realMax = isLog ? lin2log(axis.max) : axis.max;
+
+ if (realMin > threshold || threshold === null) {
+ threshold = realMin;
+ } else if (realMax < threshold) {
+ threshold = realMax;
+ }
+
+ return axis.translate(threshold, 0, 1, 0, 1);
+ },
+
+ /**
+ * Add a plot band or plot line after render time
+ *
+ * @param options {Object} The plotBand or plotLine configuration object
+ */
+ addPlotBandOrLine: function (options) {
+ var obj = new PlotLineOrBand(this, options).render();
+ this.plotLinesAndBands.push(obj);
+ return obj;
+ },
+
+ /**
+ * Render the tick labels to a preliminary position to get their sizes
+ */
+ getOffset: function () {
+ var axis = this,
+ chart = axis.chart,
+ renderer = chart.renderer,
+ options = axis.options,
+ tickPositions = axis.tickPositions,
+ ticks = axis.ticks,
+ horiz = axis.horiz,
+ side = axis.side,
+ hasData,
+ showAxis,
+ titleOffset = 0,
+ titleOffsetOption,
+ titleMargin = 0,
+ axisTitleOptions = options.title,
+ labelOptions = options.labels,
+ labelOffset = 0, // reset
+ axisOffset = chart.axisOffset,
+ directionFactor = [-1, 1, 1, -1][side],
+ n;
+
+
+ // For reuse in Axis.render
+ axis.hasData = hasData = axis.series.length && defined(axis.min) && defined(axis.max);
+ axis.showAxis = showAxis = hasData || pick(options.showEmpty, true);
+
+ // Create the axisGroup and gridGroup elements on first iteration
+ if (!axis.axisGroup) {
+ axis.axisGroup = renderer.g('axis')
+ .attr({ zIndex: options.zIndex || 7 })
+ .add();
+ axis.gridGroup = renderer.g('grid')
+ .attr({ zIndex: options.gridZIndex || 1 })
+ .add();
+ }
+
+ if (hasData || axis.isLinked) {
+ each(tickPositions, function (pos) {
+ if (!ticks[pos]) {
+ ticks[pos] = new Tick(axis, pos);
+ } else {
+ ticks[pos].addLabel(); // update labels depending on tick interval
+ }
+
+ });
+
+ each(tickPositions, function (pos) {
+ // left side must be align: right and right side must have align: left for labels
+ if (side === 0 || side === 2 || { 1: 'left', 3: 'right' }[side] === labelOptions.align) {
+
+ // get the highest offset
+ labelOffset = mathMax(
+ ticks[pos].getLabelSize(),
+ labelOffset
+ );
+ }
+
+ });
+
+ if (axis.staggerLines) {
+ labelOffset += (axis.staggerLines - 1) * 16;
+ }
+
+ } else { // doesn't have data
+ for (n in ticks) {
+ ticks[n].destroy();
+ delete ticks[n];
+ }
+ }
+
+ if (axisTitleOptions && axisTitleOptions.text) {
+ if (!axis.axisTitle) {
+ axis.axisTitle = renderer.text(
+ axisTitleOptions.text,
+ 0,
+ 0,
+ axisTitleOptions.useHTML
+ )
+ .attr({
+ zIndex: 7,
+ rotation: axisTitleOptions.rotation || 0,
+ align:
+ axisTitleOptions.textAlign ||
+ { low: 'left', middle: 'center', high: 'right' }[axisTitleOptions.align]
+ })
+ .css(axisTitleOptions.style)
+ .add(axis.axisGroup);
+ axis.axisTitle.isNew = true;
+ }
+
+ if (showAxis) {
+ titleOffset = axis.axisTitle.getBBox()[horiz ? 'height' : 'width'];
+ titleMargin = pick(axisTitleOptions.margin, horiz ? 5 : 10);
+ titleOffsetOption = axisTitleOptions.offset;
+ }
+
+ // hide or show the title depending on whether showEmpty is set
+ axis.axisTitle[showAxis ? 'show' : 'hide']();
+ }
+
+ // handle automatic or user set offset
+ axis.offset = directionFactor * pick(options.offset, axisOffset[side]);
+
+
+ axis.axisTitleMargin =
+ pick(titleOffsetOption,
+ labelOffset + titleMargin +
+ (side !== 2 && labelOffset && directionFactor * options.labels[horiz ? 'y' : 'x'])
+ );
+
+ axisOffset[side] = mathMax(
+ axisOffset[side],
+ axis.axisTitleMargin + titleOffset + directionFactor * axis.offset
+ );
+
+ },
+
+ /**
+ * Get the path for the axis line
+ */
+ getLinePath: function (lineWidth) {
+ var chart = this.chart,
+ opposite = this.opposite,
+ offset = this.offset,
+ horiz = this.horiz,
+ lineLeft = this.left + (opposite ? this.width : 0) + offset,
+ lineTop = chart.chartHeight - this.bottom - (opposite ? this.height : 0) + offset;
+
+ return chart.renderer.crispLine([
+ M,
+ horiz ?
+ this.left :
+ lineLeft,
+ horiz ?
+ lineTop :
+ this.top,
+ L,
+ horiz ?
+ chart.chartWidth - this.right :
+ lineLeft,
+ horiz ?
+ lineTop :
+ chart.chartHeight - this.bottom
+ ], lineWidth);
+ },
+
+ /**
+ * Position the title
+ */
+ getTitlePosition: function () {
+ // compute anchor points for each of the title align options
+ var horiz = this.horiz,
+ axisLeft = this.left,
+ axisTop = this.top,
+ axisLength = this.len,
+ axisTitleOptions = this.options.title,
+ margin = horiz ? axisLeft : axisTop,
+ opposite = this.opposite,
+ offset = this.offset,
+ fontSize = pInt(axisTitleOptions.style.fontSize || 12),
+
+ // the position in the length direction of the axis
+ alongAxis = {
+ low: margin + (horiz ? 0 : axisLength),
+ middle: margin + axisLength / 2,
+ high: margin + (horiz ? axisLength : 0)
+ }[axisTitleOptions.align],
+
+ // the position in the perpendicular direction of the axis
+ offAxis = (horiz ? axisTop + this.height : axisLeft) +
+ (horiz ? 1 : -1) * // horizontal axis reverses the margin
+ (opposite ? -1 : 1) * // so does opposite axes
+ this.axisTitleMargin +
+ (this.side === 2 ? fontSize : 0);
+
+ return {
+ x: horiz ?
+ alongAxis :
+ offAxis + (opposite ? this.width : 0) + offset +
+ (axisTitleOptions.x || 0), // x
+ y: horiz ?
+ offAxis - (opposite ? this.height : 0) + offset :
+ alongAxis + (axisTitleOptions.y || 0) // y
+ };
+ },
+
+ /**
+ * Render the axis
+ */
+ render: function () {
+ var axis = this,
+ chart = axis.chart,
+ renderer = chart.renderer,
+ options = axis.options,
+ isLog = axis.isLog,
+ isLinked = axis.isLinked,
+ tickPositions = axis.tickPositions,
+ axisTitle = axis.axisTitle,
+ stacks = axis.stacks,
+ ticks = axis.ticks,
+ minorTicks = axis.minorTicks,
+ alternateBands = axis.alternateBands,
+ stackLabelOptions = options.stackLabels,
+ alternateGridColor = options.alternateGridColor,
+ lineWidth = options.lineWidth,
+ linePath,
+ hasRendered = chart.hasRendered,
+ slideInTicks = hasRendered && defined(axis.oldMin) && !isNaN(axis.oldMin),
+ hasData = axis.hasData,
+ showAxis = axis.showAxis,
+ from,
+ to;
+
+ // If the series has data draw the ticks. Else only the line and title
+ if (hasData || isLinked) {
+
+ // minor ticks
+ if (axis.minorTickInterval && !axis.categories) {
+ each(axis.getMinorTickPositions(), function (pos) {
+ if (!minorTicks[pos]) {
+ minorTicks[pos] = new Tick(axis, pos, 'minor');
+ }
+
+ // render new ticks in old position
+ if (slideInTicks && minorTicks[pos].isNew) {
+ minorTicks[pos].render(null, true);
+ }
+
+
+ minorTicks[pos].isActive = true;
+ minorTicks[pos].render();
+ });
+ }
+
+ // Major ticks. Pull out the first item and render it last so that
+ // we can get the position of the neighbour label. #808.
+ each(tickPositions.slice(1).concat([tickPositions[0]]), function (pos, i) {
+
+ // Reorganize the indices
+ i = (i === tickPositions.length - 1) ? 0 : i + 1;
+
+ // linked axes need an extra check to find out if
+ if (!isLinked || (pos >= axis.min && pos <= axis.max)) {
+
+ if (!ticks[pos]) {
+ ticks[pos] = new Tick(axis, pos);
+ }
+
+ // render new ticks in old position
+ if (slideInTicks && ticks[pos].isNew) {
+ ticks[pos].render(i, true);
+ }
+
+ ticks[pos].isActive = true;
+ ticks[pos].render(i);
+ }
+
+ });
+
+ // alternate grid color
+ if (alternateGridColor) {
+ each(tickPositions, function (pos, i) {
+ if (i % 2 === 0 && pos < axis.max) {
+ if (!alternateBands[pos]) {
+ alternateBands[pos] = new PlotLineOrBand(axis);
+ }
+ from = pos;
+ to = tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] : axis.max;
+ alternateBands[pos].options = {
+ from: isLog ? lin2log(from) : from,
+ to: isLog ? lin2log(to) : to,
+ color: alternateGridColor
+ };
+ alternateBands[pos].render();
+ alternateBands[pos].isActive = true;
+ }
+ });
+ }
+
+ // custom plot lines and bands
+ if (!axis._addedPlotLB) { // only first time
+ each((options.plotLines || []).concat(options.plotBands || []), function (plotLineOptions) {
+ //plotLinesAndBands.push(new PlotLineOrBand(plotLineOptions).render());
+ axis.addPlotBandOrLine(plotLineOptions);
+ });
+ axis._addedPlotLB = true;
+ }
+
+ } // end if hasData
+
+ // remove inactive ticks
+ each([ticks, minorTicks, alternateBands], function (coll) {
+ var pos;
+ for (pos in coll) {
+ if (!coll[pos].isActive) {
+ coll[pos].destroy();
+ delete coll[pos];
+ } else {
+ coll[pos].isActive = false; // reset
+ }
+ }
+ });
+
+ // Static items. As the axis group is cleared on subsequent calls
+ // to render, these items are added outside the group.
+ // axis line
+ if (lineWidth) {
+ linePath = axis.getLinePath(lineWidth);
+ if (!axis.axisLine) {
+ axis.axisLine = renderer.path(linePath)
+ .attr({
+ stroke: options.lineColor,
+ 'stroke-width': lineWidth,
+ zIndex: 7
+ })
+ .add();
+ } else {
+ axis.axisLine.animate({ d: linePath });
+ }
+
+ // show or hide the line depending on options.showEmpty
+ axis.axisLine[showAxis ? 'show' : 'hide']();
+
+ }
+
+ if (axisTitle && showAxis) {
+
+ axisTitle[axisTitle.isNew ? 'attr' : 'animate'](
+ axis.getTitlePosition()
+ );
+ axisTitle.isNew = false;
+ }
+
+ // Stacked totals:
+ if (stackLabelOptions && stackLabelOptions.enabled) {
+ var stackKey, oneStack, stackCategory,
+ stackTotalGroup = axis.stackTotalGroup;
+
+ // Create a separate group for the stack total labels
+ if (!stackTotalGroup) {
+ axis.stackTotalGroup = stackTotalGroup =
+ renderer.g('stack-labels')
+ .attr({
+ visibility: VISIBLE,
+ zIndex: 6
+ })
+ .add();
+ }
+
+ // plotLeft/Top will change when y axis gets wider so we need to translate the
+ // stackTotalGroup at every render call. See bug #506 and #516
+ stackTotalGroup.translate(chart.plotLeft, chart.plotTop);
+
+ // Render each stack total
+ for (stackKey in stacks) {
+ oneStack = stacks[stackKey];
+ for (stackCategory in oneStack) {
+ oneStack[stackCategory].render(stackTotalGroup);
+ }
+ }
+ }
+ // End stacked totals
+
+ axis.isDirty = false;
+ },
+
+ /**
+ * Remove a plot band or plot line from the chart by id
+ * @param {Object} id
+ */
+ removePlotBandOrLine: function (id) {
+ var plotLinesAndBands = this.plotLinesAndBands,
+ i = plotLinesAndBands.length;
+ while (i--) {
+ if (plotLinesAndBands[i].id === id) {
+ plotLinesAndBands[i].destroy();
+ }
+ }
+ },
+
+ /**
+ * Update the axis title by options
+ */
+ setTitle: function (newTitleOptions, redraw) {
+ var axis = this,
+ chart = axis.chart,
+ options = axis.options,
+ axisTitle;
+
+ options.title = merge(options.title, newTitleOptions);
+
+ axis.axisTitle = axisTitle && axisTitle.destroy(); // #922
+ axis.isDirty = true;
+
+ if (pick(redraw, true)) {
+ chart.redraw();
+ }
+ },
+
+ /**
+ * Redraw the axis to reflect changes in the data or axis extremes
+ */
+ redraw: function () {
+ var axis = this,
+ chart = axis.chart;
+
+ // hide tooltip and hover states
+ if (chart.tracker.resetTracker) {
+ chart.tracker.resetTracker(true);
+ }
+
+ // render the axis
+ axis.render();
+
+ // move plot lines and bands
+ each(axis.plotLinesAndBands, function (plotLine) {
+ plotLine.render();
+ });
+
+ // mark associated series as dirty and ready for redraw
+ each(axis.series, function (series) {
+ series.isDirty = true;
+ });
+
+ },
+
+ /**
+ * Set new axis categories and optionally redraw
+ * @param {Array} newCategories
+ * @param {Boolean} doRedraw
+ */
+ setCategories: function (newCategories, doRedraw) {
+ var axis = this,
+ chart = axis.chart;
+
+ // set the categories
+ axis.categories = axis.userOptions.categories = newCategories;
+
+ // force reindexing tooltips
+ each(axis.series, function (series) {
+ series.translate();
+ series.setTooltipPoints(true);
+ });
+
+
+ // optionally redraw
+ axis.isDirty = true;
+
+ if (pick(doRedraw, true)) {
+ chart.redraw();
+ }
+ },
+
+ /**
+ * Destroys an Axis instance.
+ */
+ destroy: function () {
+ var axis = this,
+ stacks = axis.stacks,
+ stackKey;
+
+ // Remove the events
+ removeEvent(axis);
+
+ // Destroy each stack total
+ for (stackKey in stacks) {
+ destroyObjectProperties(stacks[stackKey]);
+
+ stacks[stackKey] = null;
+ }
+
+ // Destroy collections
+ each([axis.ticks, axis.minorTicks, axis.alternateBands, axis.plotLinesAndBands], function (coll) {
+ destroyObjectProperties(coll);
+ });
+
+ // Destroy local variables
+ each(['stackTotalGroup', 'axisLine', 'axisGroup', 'gridGroup', 'axisTitle'], function (prop) {
+ if (axis[prop]) {
+ axis[prop] = axis[prop].destroy();
+ }
+ });
+ }
+
+
+}; // end Axis
+
+/**
+ * The tooltip object
+ * @param {Object} chart The chart instance
+ * @param {Object} options Tooltip options
+ */
+function Tooltip(chart, options) {
+ var borderWidth = options.borderWidth,
+ style = options.style,
+ shared = options.shared,
+ padding = pInt(style.padding);
+
+ // Save the chart and options
+ this.chart = chart;
+ this.options = options;
+
+ // remove padding CSS and apply padding on box instead
+ style.padding = 0;
+
+ // Keep track of the current series
+ //this.currentSeries = UNDEFINED;
+
+ // List of crosshairs
+ this.crosshairs = [];
+
+ // Current values of x and y when animating
+ this.currentX = 0;
+ this.currentY = 0;
+
+ // The tooltipTick function, initialized to nothing
+ //this.tooltipTick = UNDEFINED;
+
+ // The tooltip is initially hidden
+ this.tooltipIsHidden = true;
+
+ // create the label
+ this.label = chart.renderer.label('', 0, 0, null, null, null, options.useHTML, null, 'tooltip')
+ .attr({
+ padding: padding,
+ fill: options.backgroundColor,
+ 'stroke-width': borderWidth,
+ r: options.borderRadius,
+ zIndex: 8
+ })
+ .css(style)
+ .hide()
+ .add();
+
+ // When using canVG the shadow shows up as a gray circle
+ // even if the tooltip is hidden.
+ if (!useCanVG) {
+ this.label.shadow(options.shadow);
+ }
+
+ // Public property for getting the shared state.
+ this.shared = shared;
+}
+
+Tooltip.prototype = {
+ /**
+ * Destroy the tooltip and its elements.
+ */
+ destroy: function () {
+ each(this.crosshairs, function (crosshair) {
+ if (crosshair) {
+ crosshair.destroy();
+ }
+ });
+
+ // Destroy and clear local variables
+ if (this.label) {
+ this.label = this.label.destroy();
+ }
+ },
+
+ /**
+ * Provide a soft movement for the tooltip
+ *
+ * @param {Number} finalX
+ * @param {Number} finalY
+ * @private
+ */
+ move: function (finalX, finalY) {
+ var tooltip = this;
+
+ // get intermediate values for animation
+ tooltip.currentX = tooltip.tooltipIsHidden ? finalX : (2 * tooltip.currentX + finalX) / 3;
+ tooltip.currentY = tooltip.tooltipIsHidden ? finalY : (tooltip.currentY + finalY) / 2;
+
+ // move to the intermediate value
+ tooltip.label.attr({ x: tooltip.currentX, y: tooltip.currentY });
+
+ // run on next tick of the mouse tracker
+ if (mathAbs(finalX - tooltip.currentX) > 1 || mathAbs(finalY - tooltip.currentY) > 1) {
+ tooltip.tooltipTick = function () {
+ tooltip.move(finalX, finalY);
+ };
+ } else {
+ tooltip.tooltipTick = null;
+ }
+ },
+
+ /**
+ * Hide the tooltip
+ */
+ hide: function () {
+ if (!this.tooltipIsHidden) {
+ var hoverPoints = this.chart.hoverPoints;
+
+ this.label.hide();
+
+ // hide previous hoverPoints and set new
+ if (hoverPoints) {
+ each(hoverPoints, function (point) {
+ point.setState();
+ });
+ }
+
+ this.chart.hoverPoints = null;
+ this.tooltipIsHidden = true;
+ }
+ },
+
+ /**
+ * Hide the crosshairs
+ */
+ hideCrosshairs: function () {
+ each(this.crosshairs, function (crosshair) {
+ if (crosshair) {
+ crosshair.hide();
+ }
+ });
+ },
+
+ /**
+ * Extendable method to get the anchor position of the tooltip
+ * from a point or set of points
+ */
+ getAnchor: function (points, mouseEvent) {
+ var ret,
+ chart = this.chart,
+ inverted = chart.inverted,
+ plotX = 0,
+ plotY = 0;
+
+ points = splat(points);
+
+ // Pie uses a special tooltipPos
+ ret = points[0].tooltipPos;
+
+ // When shared, use the average position
+ if (!ret) {
+ each(points, function (point) {
+ plotX += point.plotX;
+ plotY += point.plotLow ? (point.plotLow + point.plotHigh) / 2 : point.plotY;
+ });
+
+ plotX /= points.length;
+ plotY /= points.length;
+
+ ret = [
+ inverted ? chart.plotWidth - plotY : plotX,
+ this.shared && !inverted && points.length > 1 && mouseEvent ?
+ mouseEvent.chartY - chart.plotTop : // place shared tooltip next to the mouse (#424)
+ inverted ? chart.plotHeight - plotX : plotY
+ ];
+ }
+
+ return map(ret, mathRound);
+ },
+
+ /**
+ * Place the tooltip in a chart without spilling over
+ * and not covering the point it self.
+ */
+ getPosition: function (boxWidth, boxHeight, point) {
+
+ // Set up the variables
+ var chart = this.chart,
+ plotLeft = chart.plotLeft,
+ plotTop = chart.plotTop,
+ plotWidth = chart.plotWidth,
+ plotHeight = chart.plotHeight,
+ distance = pick(this.options.distance, 12),
+ pointX = point.plotX,
+ pointY = point.plotY,
+ x = pointX + plotLeft + (chart.inverted ? distance : -boxWidth - distance),
+ y = pointY - boxHeight + plotTop + 15, // 15 means the point is 15 pixels up from the bottom of the tooltip
+ alignedRight;
+
+ // It is too far to the left, adjust it
+ if (x < 7) {
+ x = plotLeft + pointX + distance;
+ }
+
+ // Test to see if the tooltip is too far to the right,
+ // if it is, move it back to be inside and then up to not cover the point.
+ if ((x + boxWidth) > (plotLeft + plotWidth)) {
+ x -= (x + boxWidth) - (plotLeft + plotWidth);
+ y = pointY - boxHeight + plotTop - distance;
+ alignedRight = true;
+ }
+
+ // If it is now above the plot area, align it to the top of the plot area
+ if (y < plotTop + 5) {
+ y = plotTop + 5;
+
+ // If the tooltip is still covering the point, move it below instead
+ if (alignedRight && pointY >= y && pointY <= (y + boxHeight)) {
+ y = pointY + plotTop + distance; // below
+ }
+ }
+
+ // Now if the tooltip is below the chart, move it up. It's better to cover the
+ // point than to disappear outside the chart. #834.
+ if (y + boxHeight > plotTop + plotHeight) {
+ y = mathMax(plotTop, plotTop + plotHeight - boxHeight - distance); // below
+ }
+
+
+ return {x: x, y: y};
+ },
+
+ /**
+ * Refresh the tooltip's text and position.
+ * @param {Object} point
+ */
+ refresh: function (point, mouseEvent) {
+ var tooltip = this,
+ chart = tooltip.chart,
+ label = tooltip.label,
+ options = tooltip.options;
+
+ /**
+ * In case no user defined formatter is given, this will be used
+ */
+ function defaultFormatter() {
+ var pThis = this,
+ items = pThis.points || splat(pThis),
+ series = items[0].series,
+ s;
+
+ // build the header
+ s = [series.tooltipHeaderFormatter(items[0].key)];
+
+ // build the values
+ each(items, function (item) {
+ series = item.series;
+ s.push((series.tooltipFormatter && series.tooltipFormatter(item)) ||
+ item.point.tooltipFormatter(series.tooltipOptions.pointFormat));
+ });
+
+ // footer
+ s.push(options.footerFormat || '');
+
+ return s.join('');
+ }
+
+ var x,
+ y,
+ show,
+ anchor,
+ textConfig = {},
+ text,
+ pointConfig = [],
+ formatter = options.formatter || defaultFormatter,
+ hoverPoints = chart.hoverPoints,
+ placedTooltipPoint,
+ borderColor,
+ crosshairsOptions = options.crosshairs,
+ shared = tooltip.shared,
+ currentSeries;
+
+ // get the reference point coordinates (pie charts use tooltipPos)
+ anchor = tooltip.getAnchor(point, mouseEvent);
+ x = anchor[0];
+ y = anchor[1];
+
+ // shared tooltip, array is sent over
+ if (shared && !(point.series && point.series.noSharedTooltip)) {
+
+ // hide previous hoverPoints and set new
+ if (hoverPoints) {
+ each(hoverPoints, function (point) {
+ point.setState();
+ });
+ }
+ chart.hoverPoints = point;
+
+ each(point, function (item) {
+ item.setState(HOVER_STATE);
+
+ pointConfig.push(item.getLabelConfig());
+ });
+
+ textConfig = {
+ x: point[0].category,
+ y: point[0].y
+ };
+ textConfig.points = pointConfig;
+ point = point[0];
+
+ // single point tooltip
+ } else {
+ textConfig = point.getLabelConfig();
+ }
+ text = formatter.call(textConfig);
+
+ // register the current series
+ currentSeries = point.series;
+
+
+ // For line type series, hide tooltip if the point falls outside the plot
+ show = shared || !currentSeries.isCartesian || currentSeries.tooltipOutsidePlot || chart.isInsidePlot(x, y);
+
+ // update the inner HTML
+ if (text === false || !show) {
+ this.hide();
+ } else {
+
+ // show it
+ if (tooltip.tooltipIsHidden) {
+ label.show();
+ }
+
+ // update text
+ label.attr({
+ text: text
+ });
+
+ // set the stroke color of the box
+ borderColor = options.borderColor || point.color || currentSeries.color || '#606060';
+ label.attr({
+ stroke: borderColor
+ });
+
+ placedTooltipPoint = (options.positioner || tooltip.getPosition).call(
+ tooltip,
+ label.width,
+ label.height,
+ { plotX: x, plotY: y }
+ );
+
+ // do the move
+ tooltip.move(mathRound(placedTooltipPoint.x), mathRound(placedTooltipPoint.y));
+
+
+ tooltip.tooltipIsHidden = false;
+ }
+
+ // crosshairs
+ if (crosshairsOptions) {
+ crosshairsOptions = splat(crosshairsOptions); // [x, y]
+
+ var path,
+ i = crosshairsOptions.length,
+ attribs,
+ axis;
+
+ while (i--) {
+ axis = point.series[i ? 'yAxis' : 'xAxis'];
+ if (crosshairsOptions[i] && axis) {
+
+ path = axis.getPlotLinePath(
+ i ? pick(point.stackY, point.y) : point.x, // #814
+ 1
+ );
+
+ if (tooltip.crosshairs[i]) {
+ tooltip.crosshairs[i].attr({ d: path, visibility: VISIBLE });
+ } else {
+ attribs = {
+ 'stroke-width': crosshairsOptions[i].width || 1,
+ stroke: crosshairsOptions[i].color || '#C0C0C0',
+ zIndex: crosshairsOptions[i].zIndex || 2
+ };
+ if (crosshairsOptions[i].dashStyle) {
+ attribs.dashstyle = crosshairsOptions[i].dashStyle;
+ }
+ tooltip.crosshairs[i] = chart.renderer.path(path)
+ .attr(attribs)
+ .add();
+ }
+ }
+ }
+ }
+ fireEvent(chart, 'tooltipRefresh', {
+ text: text,
+ x: x + chart.plotLeft,
+ y: y + chart.plotTop,
+ borderColor: borderColor
+ });
+ },
+
+ /**
+ * Runs the tooltip animation one tick.
+ */
+ tick: function () {
+ if (this.tooltipTick) {
+ this.tooltipTick();
+ }
+ }
+};
+/**
+ * The mouse tracker object
+ * @param {Object} chart The Chart instance
+ * @param {Object} options The root options object
+ */
+function MouseTracker(chart, options) {
+ var zoomType = useCanVG ? '' : options.chart.zoomType;
+
+ // Zoom status
+ this.zoomX = /x/.test(zoomType);
+ this.zoomY = /y/.test(zoomType);
+
+ // Store reference to options
+ this.options = options;
+
+ // Reference to the chart
+ this.chart = chart;
+
+ // The interval id
+ //this.tooltipInterval = UNDEFINED;
+
+ // The cached x hover position
+ //this.hoverX = UNDEFINED;
+
+ // The chart position
+ //this.chartPosition = UNDEFINED;
+
+ // The selection marker element
+ //this.selectionMarker = UNDEFINED;
+
+ // False or a value > 0 if a dragging operation
+ //this.mouseDownX = UNDEFINED;
+ //this.mouseDownY = UNDEFINED;
+ this.init(chart, options.tooltip);
+}
+
+MouseTracker.prototype = {
+ /**
+ * Add crossbrowser support for chartX and chartY
+ * @param {Object} e The event object in standard browsers
+ */
+ normalizeMouseEvent: function (e) {
+ var chartPosition,
+ chartX,
+ chartY,
+ ePos;
+
+ // common IE normalizing
+ e = e || win.event;
+ if (!e.target) {
+ e.target = e.srcElement;
+ }
+
+ // jQuery only copies over some properties. IE needs e.x and iOS needs touches.
+ if (e.originalEvent) {
+ e = e.originalEvent;
+ }
+
+ // The same for MooTools. It renames e.pageX to e.page.x. #445.
+ if (e.event) {
+ e = e.event;
+ }
+
+ // iOS
+ ePos = e.touches ? e.touches.item(0) : e;
+
+ // get mouse position
+ this.chartPosition = chartPosition = offset(this.chart.container);
+
+ // chartX and chartY
+ if (ePos.pageX === UNDEFINED) { // IE < 9. #886.
+ chartX = e.x;
+ chartY = e.y;
+ } else {
+ chartX = ePos.pageX - chartPosition.left;
+ chartY = ePos.pageY - chartPosition.top;
+ }
+
+ return extend(e, {
+ chartX: mathRound(chartX),
+ chartY: mathRound(chartY)
+
+ });
+ },
+
+ /**
+ * Get the click position in terms of axis values.
+ *
+ * @param {Object} e A mouse event
+ */
+ getMouseCoordinates: function (e) {
+ var coordinates = {
+ xAxis: [],
+ yAxis: []
+ },
+ chart = this.chart;
+
+ each(chart.axes, function (axis) {
+ var isXAxis = axis.isXAxis,
+ isHorizontal = chart.inverted ? !isXAxis : isXAxis;
+
+ coordinates[isXAxis ? 'xAxis' : 'yAxis'].push({
+ axis: axis,
+ value: axis.translate(
+ isHorizontal ?
+ e.chartX - chart.plotLeft :
+ chart.plotHeight - e.chartY + chart.plotTop,
+ true
+ )
+ });
+ });
+ return coordinates;
+ },
+
+ /**
+ * With line type charts with a single tracker, get the point closest to the mouse
+ */
+ onmousemove: function (e) {
+ var mouseTracker = this,
+ chart = mouseTracker.chart,
+ series = chart.series,
+ point,
+ points,
+ hoverPoint = chart.hoverPoint,
+ hoverSeries = chart.hoverSeries,
+ i,
+ j,
+ distance = chart.chartWidth,
+ // the index in the tooltipPoints array, corresponding to pixel position in plot area
+ index = chart.inverted ? chart.plotHeight + chart.plotTop - e.chartY : e.chartX - chart.plotLeft;
+
+ // shared tooltip
+ if (chart.tooltip && mouseTracker.options.tooltip.shared && !(hoverSeries && hoverSeries.noSharedTooltip)) {
+ points = [];
+
+ // loop over all series and find the ones with points closest to the mouse
+ i = series.length;
+ for (j = 0; j < i; j++) {
+ if (series[j].visible &&
+ series[j].options.enableMouseTracking !== false &&
+ !series[j].noSharedTooltip && series[j].tooltipPoints.length) {
+ point = series[j].tooltipPoints[index];
+ point._dist = mathAbs(index - point.plotX);
+ distance = mathMin(distance, point._dist);
+ points.push(point);
+ }
+ }
+ // remove furthest points
+ i = points.length;
+ while (i--) {
+ if (points[i]._dist > distance) {
+ points.splice(i, 1);
+ }
+ }
+ // refresh the tooltip if necessary
+ if (points.length && (points[0].plotX !== mouseTracker.hoverX)) {
+ chart.tooltip.refresh(points, e);
+ mouseTracker.hoverX = points[0].plotX;
+ }
+ }
+
+ // separate tooltip and general mouse events
+ if (hoverSeries && hoverSeries.tracker) { // only use for line-type series with common tracker
+
+ // get the point
+ point = hoverSeries.tooltipPoints[index];
+
+ // a new point is hovered, refresh the tooltip
+ if (point && point !== hoverPoint) {
+
+ // trigger the events
+ point.onMouseOver();
+
+ }
+ }
+ },
+
+
+
+ /**
+ * Reset the tracking by hiding the tooltip, the hover series state and the hover point
+ */
+ resetTracker: function (allowMove) {
+ var mouseTracker = this,
+ chart = mouseTracker.chart,
+ hoverSeries = chart.hoverSeries,
+ hoverPoint = chart.hoverPoint,
+ tooltipPoints = chart.hoverPoints || hoverPoint,
+ tooltip = chart.tooltip;
+
+ // Narrow in allowMove
+ allowMove = allowMove && tooltip && tooltipPoints;
+
+ // Check if the points have moved outside the plot area, #1003
+ if (allowMove && splat(tooltipPoints)[0].plotX === UNDEFINED) {
+ allowMove = false;
+ }
+
+ // Just move the tooltip, #349
+ if (allowMove) {
+ tooltip.refresh(tooltipPoints);
+
+ // Full reset
+ } else {
+
+ if (hoverPoint) {
+ hoverPoint.onMouseOut();
+ }
+
+ if (hoverSeries) {
+ hoverSeries.onMouseOut();
+ }
+
+ if (tooltip) {
+ tooltip.hide();
+ tooltip.hideCrosshairs();
+ }
+
+ mouseTracker.hoverX = null;
+
+ }
+ },
+
+ /**
+ * Set the JS events on the container element
+ */
+ setDOMEvents: function () {
+ var lastWasOutsidePlot = true,
+ mouseTracker = this,
+ chart = mouseTracker.chart,
+ container = chart.container,
+ hasDragged,
+ zoomHor = (mouseTracker.zoomX && !chart.inverted) || (mouseTracker.zoomY && chart.inverted),
+ zoomVert = (mouseTracker.zoomY && !chart.inverted) || (mouseTracker.zoomX && chart.inverted);
+
+ /**
+ * Mouse up or outside the plot area
+ */
+ function drop() {
+ if (mouseTracker.selectionMarker) {
+ var selectionData = {
+ xAxis: [],
+ yAxis: []
+ },
+ selectionBox = mouseTracker.selectionMarker.getBBox(),
+ selectionLeft = selectionBox.x - chart.plotLeft,
+ selectionTop = selectionBox.y - chart.plotTop,
+ runZoom;
+
+ // a selection has been made
+ if (hasDragged) {
+
+ // record each axis' min and max
+ each(chart.axes, function (axis) {
+ if (axis.options.zoomEnabled !== false) {
+ var isXAxis = axis.isXAxis,
+ isHorizontal = chart.inverted ? !isXAxis : isXAxis,
+ selectionMin = axis.translate(
+ isHorizontal ?
+ selectionLeft :
+ chart.plotHeight - selectionTop - selectionBox.height,
+ true,
+ 0,
+ 0,
+ 1
+ ),
+ selectionMax = axis.translate(
+ isHorizontal ?
+ selectionLeft + selectionBox.width :
+ chart.plotHeight - selectionTop,
+ true,
+ 0,
+ 0,
+ 1
+ );
+
+ if (!isNaN(selectionMin) && !isNaN(selectionMax)) { // #859
+ selectionData[isXAxis ? 'xAxis' : 'yAxis'].push({
+ axis: axis,
+ min: mathMin(selectionMin, selectionMax), // for reversed axes,
+ max: mathMax(selectionMin, selectionMax)
+ });
+ runZoom = true;
+ }
+ }
+ });
+ if (runZoom) {
+ fireEvent(chart, 'selection', selectionData, function (args) { chart.zoom(args); });
+ }
+
+ }
+ mouseTracker.selectionMarker = mouseTracker.selectionMarker.destroy();
+ }
+
+ if (chart) { // it may be destroyed on mouse up - #877
+ css(container, { cursor: 'auto' });
+ chart.cancelClick = hasDragged; // #370
+ chart.mouseIsDown = hasDragged = false;
+ }
+
+ removeEvent(doc, hasTouch ? 'touchend' : 'mouseup', drop);
+ }
+
+ /**
+ * Special handler for mouse move that will hide the tooltip when the mouse leaves the plotarea.
+ */
+ mouseTracker.hideTooltipOnMouseMove = function (e) {
+
+ // Get e.pageX and e.pageY back in MooTools
+ washMouseEvent(e);
+
+ // If we're outside, hide the tooltip
+ if (mouseTracker.chartPosition && chart.hoverSeries && chart.hoverSeries.isCartesian &&
+ !chart.isInsidePlot(e.pageX - mouseTracker.chartPosition.left - chart.plotLeft,
+ e.pageY - mouseTracker.chartPosition.top - chart.plotTop)) {
+ mouseTracker.resetTracker();
+ }
+ };
+
+ /**
+ * When mouse leaves the container, hide the tooltip.
+ */
+ mouseTracker.hideTooltipOnMouseLeave = function () {
+ mouseTracker.resetTracker();
+ mouseTracker.chartPosition = null; // also reset the chart position, used in #149 fix
+ };
+
+
+ /*
+ * Record the starting position of a dragoperation
+ */
+ container.onmousedown = function (e) {
+ e = mouseTracker.normalizeMouseEvent(e);
+
+ // issue #295, dragging not always working in Firefox
+ if (!hasTouch && e.preventDefault) {
+ e.preventDefault();
+ }
+
+ // record the start position
+ chart.mouseIsDown = true;
+ chart.cancelClick = false;
+ chart.mouseDownX = mouseTracker.mouseDownX = e.chartX;
+ mouseTracker.mouseDownY = e.chartY;
+
+ addEvent(doc, hasTouch ? 'touchend' : 'mouseup', drop);
+ };
+
+ // The mousemove, touchmove and touchstart event handler
+ var mouseMove = function (e) {
+ // let the system handle multitouch operations like two finger scroll
+ // and pinching
+ if (e && e.touches && e.touches.length > 1) {
+ return;
+ }
+
+ // normalize
+ e = mouseTracker.normalizeMouseEvent(e);
+ if (!hasTouch) { // not for touch devices
+ e.returnValue = false;
+ }
+
+ var chartX = e.chartX,
+ chartY = e.chartY,
+ isOutsidePlot = !chart.isInsidePlot(chartX - chart.plotLeft, chartY - chart.plotTop);
+
+ // on touch devices, only trigger click if a handler is defined
+ if (hasTouch && e.type === 'touchstart') {
+ if (attr(e.target, 'isTracker')) {
+ if (!chart.runTrackerClick) {
+ e.preventDefault();
+ }
+ } else if (!chart.runChartClick && !isOutsidePlot) {
+ e.preventDefault();
+ }
+ }
+
+ // cancel on mouse outside
+ if (isOutsidePlot) {
+
+ /*if (!lastWasOutsidePlot) {
+ // reset the tracker
+ resetTracker();
+ }*/
+
+ // drop the selection if any and reset mouseIsDown and hasDragged
+ //drop();
+ if (chartX < chart.plotLeft) {
+ chartX = chart.plotLeft;
+ } else if (chartX > chart.plotLeft + chart.plotWidth) {
+ chartX = chart.plotLeft + chart.plotWidth;
+ }
+
+ if (chartY < chart.plotTop) {
+ chartY = chart.plotTop;
+ } else if (chartY > chart.plotTop + chart.plotHeight) {
+ chartY = chart.plotTop + chart.plotHeight;
+ }
+ }
+
+ if (chart.mouseIsDown && e.type !== 'touchstart') { // make selection
+
+ // determine if the mouse has moved more than 10px
+ hasDragged = Math.sqrt(
+ Math.pow(mouseTracker.mouseDownX - chartX, 2) +
+ Math.pow(mouseTracker.mouseDownY - chartY, 2)
+ );
+ if (hasDragged > 10) {
+ var clickedInside = chart.isInsidePlot(mouseTracker.mouseDownX - chart.plotLeft, mouseTracker.mouseDownY - chart.plotTop);
+
+ // make a selection
+ if (chart.hasCartesianSeries && (mouseTracker.zoomX || mouseTracker.zoomY) && clickedInside) {
+ if (!mouseTracker.selectionMarker) {
+ mouseTracker.selectionMarker = chart.renderer.rect(
+ chart.plotLeft,
+ chart.plotTop,
+ zoomHor ? 1 : chart.plotWidth,
+ zoomVert ? 1 : chart.plotHeight,
+ 0
+ )
+ .attr({
+ fill: mouseTracker.options.chart.selectionMarkerFill || 'rgba(69,114,167,0.25)',
+ zIndex: 7
+ })
+ .add();
+ }
+ }
+
+ // adjust the width of the selection marker
+ if (mouseTracker.selectionMarker && zoomHor) {
+ var xSize = chartX - mouseTracker.mouseDownX;
+ mouseTracker.selectionMarker.attr({
+ width: mathAbs(xSize),
+ x: (xSize > 0 ? 0 : xSize) + mouseTracker.mouseDownX
+ });
+ }
+ // adjust the height of the selection marker
+ if (mouseTracker.selectionMarker && zoomVert) {
+ var ySize = chartY - mouseTracker.mouseDownY;
+ mouseTracker.selectionMarker.attr({
+ height: mathAbs(ySize),
+ y: (ySize > 0 ? 0 : ySize) + mouseTracker.mouseDownY
+ });
+ }
+
+ // panning
+ if (clickedInside && !mouseTracker.selectionMarker && mouseTracker.options.chart.panning) {
+ chart.pan(chartX);
+ }
+ }
+
+ } else if (!isOutsidePlot) {
+ // show the tooltip
+ mouseTracker.onmousemove(e);
+ }
+
+ lastWasOutsidePlot = isOutsidePlot;
+
+ // when outside plot, allow touch-drag by returning true
+ return isOutsidePlot || !chart.hasCartesianSeries;
+ };
+
+ /*
+ * When the mouse enters the container, run mouseMove
+ */
+ container.onmousemove = mouseMove;
+
+ /*
+ * When the mouse leaves the container, hide the tracking (tooltip).
+ */
+ addEvent(container, 'mouseleave', mouseTracker.hideTooltipOnMouseLeave);
+
+ // issue #149 workaround
+ // The mouseleave event above does not always fire. Whenever the mouse is moving
+ // outside the plotarea, hide the tooltip
+ addEvent(doc, 'mousemove', mouseTracker.hideTooltipOnMouseMove);
+
+ container.ontouchstart = function (e) {
+ // For touch devices, use touchmove to zoom
+ if (mouseTracker.zoomX || mouseTracker.zoomY) {
+ container.onmousedown(e);
+ }
+ // Show tooltip and prevent the lower mouse pseudo event
+ mouseMove(e);
+ };
+
+ /*
+ * Allow dragging the finger over the chart to read the values on touch
+ * devices
+ */
+ container.ontouchmove = mouseMove;
+
+ /*
+ * Allow dragging the finger over the chart to read the values on touch
+ * devices
+ */
+ container.ontouchend = function () {
+ if (hasDragged) {
+ mouseTracker.resetTracker();
+ }
+ };
+
+
+ // MooTools 1.2.3 doesn't fire this in IE when using addEvent
+ container.onclick = function (e) {
+ var hoverPoint = chart.hoverPoint,
+ plotX,
+ plotY;
+ e = mouseTracker.normalizeMouseEvent(e);
+
+ e.cancelBubble = true; // IE specific
+
+
+ if (!chart.cancelClick) {
+ // Detect clicks on trackers or tracker groups, #783
+ if (hoverPoint && (attr(e.target, 'isTracker') || attr(e.target.parentNode, 'isTracker'))) {
+ plotX = hoverPoint.plotX;
+ plotY = hoverPoint.plotY;
+
+ // add page position info
+ extend(hoverPoint, {
+ pageX: mouseTracker.chartPosition.left + chart.plotLeft +
+ (chart.inverted ? chart.plotWidth - plotY : plotX),
+ pageY: mouseTracker.chartPosition.top + chart.plotTop +
+ (chart.inverted ? chart.plotHeight - plotX : plotY)
+ });
+
+ // the series click event
+ fireEvent(hoverPoint.series, 'click', extend(e, {
+ point: hoverPoint
+ }));
+
+ // the point click event
+ hoverPoint.firePointEvent('click', e);
+
+ } else {
+ extend(e, mouseTracker.getMouseCoordinates(e));
+
+ // fire a click event in the chart
+ if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
+ fireEvent(chart, 'click', e);
+ }
+ }
+
+
+ }
+ };
+
+ },
+
+ /**
+ * Destroys the MouseTracker object and disconnects DOM events.
+ */
+ destroy: function () {
+ var mouseTracker = this,
+ chart = mouseTracker.chart,
+ container = chart.container;
+
+ // Destroy the tracker group element
+ if (chart.trackerGroup) {
+ chart.trackerGroup = chart.trackerGroup.destroy();
+ }
+
+ removeEvent(container, 'mouseleave', mouseTracker.hideTooltipOnMouseLeave);
+ removeEvent(doc, 'mousemove', mouseTracker.hideTooltipOnMouseMove);
+ container.onclick = container.onmousedown = container.onmousemove = container.ontouchstart = container.ontouchend = container.ontouchmove = null;
+
+ // memory and CPU leak
+ clearInterval(this.tooltipInterval);
+ },
+
+ // Run MouseTracker
+ init: function (chart, options) {
+ if (!chart.trackerGroup) {
+ chart.trackerGroup = chart.renderer.g('tracker')
+ .attr({ zIndex: 9 })
+ .add();
+ }
+
+ if (options.enabled) {
+ chart.tooltip = new Tooltip(chart, options);
+
+ // set the fixed interval ticking for the smooth tooltip
+ this.tooltipInterval = setInterval(function () { chart.tooltip.tick(); }, 32);
+ }
+
+ this.setDOMEvents();
+ }
+};
+/**
+ * The overview of the chart's series
+ */
+function Legend(chart) {
+
+ this.init(chart);
+}
+
+Legend.prototype = {
+
+ /**
+ * Initialize the legend
+ */
+ init: function (chart) {
+ var legend = this,
+ options = legend.options = chart.options.legend;
+
+ if (!options.enabled) {
+ return;
+ }
+
+ var //style = options.style || {}, // deprecated
+ itemStyle = options.itemStyle,
+ padding = pick(options.padding, 8),
+ itemMarginTop = options.itemMarginTop || 0;
+
+ legend.baseline = pInt(itemStyle.fontSize) + 3 + itemMarginTop; // used in Series prototype
+ legend.itemStyle = itemStyle;
+ legend.itemHiddenStyle = merge(itemStyle, options.itemHiddenStyle);
+ legend.itemMarginTop = itemMarginTop;
+ legend.padding = padding;
+ legend.initialItemX = padding;
+ legend.initialItemY = padding - 5; // 5 is the number of pixels above the text
+ legend.maxItemWidth = 0;
+ legend.chart = chart;
+ //legend.allItems = UNDEFINED;
+ //legend.legendWidth = UNDEFINED;
+ //legend.legendHeight = UNDEFINED;
+ //legend.offsetWidth = UNDEFINED;
+ legend.itemHeight = 0;
+ legend.lastLineHeight = 0;
+ //legend.itemX = UNDEFINED;
+ //legend.itemY = UNDEFINED;
+ //legend.lastItemY = UNDEFINED;
+
+ // Elements
+ //legend.group = UNDEFINED;
+ //legend.box = UNDEFINED;
+
+ // run legend
+ legend.render();
+
+ // move checkboxes
+ addEvent(legend.chart, 'endResize', function () { legend.positionCheckboxes(); });
+
+/* // expose
+ return {
+ colorizeItem: colorizeItem,
+ destroyItem: destroyItem,
+ render: render,
+ destroy: destroy,
+ getLegendWidth: getLegendWidth,
+ getLegendHeight: getLegendHeight
+ };*/
+ },
+
+ /**
+ * Set the colors for the legend item
+ * @param {Object} item A Series or Point instance
+ * @param {Object} visible Dimmed or colored
+ */
+ colorizeItem: function (item, visible) {
+ var legend = this,
+ options = legend.options,
+ legendItem = item.legendItem,
+ legendLine = item.legendLine,
+ legendSymbol = item.legendSymbol,
+ hiddenColor = legend.itemHiddenStyle.color,
+ textColor = visible ? options.itemStyle.color : hiddenColor,
+ symbolColor = visible ? item.color : hiddenColor;
+
+ if (legendItem) {
+ legendItem.css({ fill: textColor });
+ }
+ if (legendLine) {
+ legendLine.attr({ stroke: symbolColor });
+ }
+ if (legendSymbol) {
+ legendSymbol.attr({
+ stroke: symbolColor,
+ fill: symbolColor
+ });
+ }
+ },
+
+ /**
+ * Position the legend item
+ * @param {Object} item A Series or Point instance
+ */
+ positionItem: function (item) {
+ var legend = this,
+ options = legend.options,
+ symbolPadding = options.symbolPadding,
+ ltr = !options.rtl,
+ legendItemPos = item._legendItemPos,
+ itemX = legendItemPos[0],
+ itemY = legendItemPos[1],
+ checkbox = item.checkbox;
+
+ if (item.legendGroup) {
+ item.legendGroup.translate(
+ ltr ? itemX : legend.legendWidth - itemX - 2 * symbolPadding - 4,
+ itemY
+ );
+ }
+
+ if (checkbox) {
+ checkbox.x = itemX;
+ checkbox.y = itemY;
+ }
+ },
+
+ /**
+ * Destroy a single legend item
+ * @param {Object} item The series or point
+ */
+ destroyItem: function (item) {
+ var checkbox = item.checkbox;
+
+ // destroy SVG elements
+ each(['legendItem', 'legendLine', 'legendSymbol', 'legendGroup'], function (key) {
+ if (item[key]) {
+ item[key].destroy();
+ }
+ });
+
+ if (checkbox) {
+ discardElement(item.checkbox);
+ }
+ },
+
+ /**
+ * Destroys the legend.
+ */
+ destroy: function () {
+ var legend = this,
+ legendGroup = legend.group,
+ box = legend.box;
+
+ if (box) {
+ legend.box = box.destroy();
+ }
+
+ if (legendGroup) {
+ legend.group = legendGroup.destroy();
+ }
+ },
+
+ /**
+ * Position the checkboxes after the width is determined
+ */
+ positionCheckboxes: function () {
+ var legend = this;
+
+ each(legend.allItems, function (item) {
+ var checkbox = item.checkbox,
+ alignAttr = legend.group.alignAttr;
+ if (checkbox) {
+ css(checkbox, {
+ left: (alignAttr.translateX + item.legendItemWidth + checkbox.x - 20) + PX,
+ top: (alignAttr.translateY + checkbox.y + 3) + PX
+ });
+ }
+ });
+ },
+
+ /**
+ * Render a single specific legend item
+ * @param {Object} item A series or point
+ */
+ renderItem: function (item) {
+ var legend = this,
+ chart = legend.chart,
+ renderer = chart.renderer,
+ options = legend.options,
+ horizontal = options.layout === 'horizontal',
+ symbolWidth = options.symbolWidth,
+ symbolPadding = options.symbolPadding,
+ itemStyle = legend.itemStyle,
+ itemHiddenStyle = legend.itemHiddenStyle,
+ padding = legend.padding,
+ ltr = !options.rtl,
+ itemHeight,
+ widthOption = options.width,
+ itemMarginBottom = options.itemMarginBottom || 0,
+ itemMarginTop = legend.itemMarginTop,
+ initialItemX = legend.initialItemX,
+ bBox,
+ itemWidth,
+ li = item.legendItem,
+ series = item.series || item,
+ itemOptions = series.options,
+ showCheckbox = itemOptions.showCheckbox;
+
+ if (!li) { // generate it once, later move it
+
+ // Generate the group box
+ // A group to hold the symbol and text. Text is to be appended in Legend class.
+ item.legendGroup = renderer.g('legend-item')
+ .attr({ zIndex: 1 })
+ .add(legend.scrollGroup);
+
+ // Draw the legend symbol inside the group box
+ series.drawLegendSymbol(legend, item);
+
+ // Generate the list item text and add it to the group
+ item.legendItem = li = renderer.text(
+ options.labelFormatter.call(item),
+ ltr ? symbolWidth + symbolPadding : -symbolPadding,
+ legend.baseline,
+ options.useHTML
+ )
+ .css(merge(item.visible ? itemStyle : itemHiddenStyle)) // merge to prevent modifying original (#1021)
+ .attr({
+ align: ltr ? 'left' : 'right',
+ zIndex: 2
+ })
+ .add(item.legendGroup);
+
+ // Set the events on the item group
+ item.legendGroup.on('mouseover', function () {
+ item.setState(HOVER_STATE);
+ li.css(legend.options.itemHoverStyle);
+ })
+ .on('mouseout', function () {
+ li.css(item.visible ? itemStyle : itemHiddenStyle);
+ item.setState();
+ })
+ .on('click', function (event) {
+ var strLegendItemClick = 'legendItemClick',
+ fnLegendItemClick = function () {
+ item.setVisible();
+ };
+
+ // Pass over the click/touch event. #4.
+ event = {
+ browserEvent: event
+ };
+
+ // click the name or symbol
+ if (item.firePointEvent) { // point
+ item.firePointEvent(strLegendItemClick, event, fnLegendItemClick);
+ } else {
+ fireEvent(item, strLegendItemClick, event, fnLegendItemClick);
+ }
+ });
+
+ // Colorize the items
+ legend.colorizeItem(item, item.visible);
+
+ // add the HTML checkbox on top
+ if (itemOptions && showCheckbox) {
+ item.checkbox = createElement('input', {
+ type: 'checkbox',
+ checked: item.selected,
+ defaultChecked: item.selected // required by IE7
+ }, options.itemCheckboxStyle, chart.container);
+
+ addEvent(item.checkbox, 'click', function (event) {
+ var target = event.target;
+ fireEvent(item, 'checkboxClick', {
+ checked: target.checked
+ },
+ function () {
+ item.select();
+ }
+ );
+ });
+ }
+ }
+
+ // calculate the positions for the next line
+ bBox = li.getBBox();
+
+ itemWidth = item.legendItemWidth =
+ options.itemWidth || symbolWidth + symbolPadding + bBox.width + padding +
+ (showCheckbox ? 20 : 0);
+ legend.itemHeight = itemHeight = bBox.height;
+
+ // if the item exceeds the width, start a new line
+ if (horizontal && legend.itemX - initialItemX + itemWidth >
+ (widthOption || (chart.chartWidth - 2 * padding - initialItemX))) {
+ legend.itemX = initialItemX;
+ legend.itemY += itemMarginTop + legend.lastLineHeight + itemMarginBottom;
+ legend.lastLineHeight = 0; // reset for next line
+ }
+
+ // If the item exceeds the height, start a new column
+ /*if (!horizontal && legend.itemY + options.y + itemHeight > chart.chartHeight - spacingTop - spacingBottom) {
+ legend.itemY = legend.initialItemY;
+ legend.itemX += legend.maxItemWidth;
+ legend.maxItemWidth = 0;
+ }*/
+
+ // Set the edge positions
+ legend.maxItemWidth = mathMax(legend.maxItemWidth, itemWidth);
+ legend.lastItemY = itemMarginTop + legend.itemY + itemMarginBottom;
+ legend.lastLineHeight = mathMax(itemHeight, legend.lastLineHeight); // #915
+
+ // cache the position of the newly generated or reordered items
+ item._legendItemPos = [legend.itemX, legend.itemY];
+
+ // advance
+ if (horizontal) {
+ legend.itemX += itemWidth;
+
+ } else {
+ legend.itemY += itemMarginTop + itemHeight + itemMarginBottom;
+ legend.lastLineHeight = itemHeight;
+ }
+
+ // the width of the widest item
+ legend.offsetWidth = widthOption || mathMax(
+ horizontal ? legend.itemX - initialItemX : itemWidth,
+ legend.offsetWidth
+ );
+ },
+
+ /**
+ * Render the legend. This method can be called both before and after
+ * chart.render. If called after, it will only rearrange items instead
+ * of creating new ones.
+ */
+ render: function () {
+ var legend = this,
+ chart = legend.chart,
+ renderer = chart.renderer,
+ legendGroup = legend.group,
+ allItems,
+ display,
+ legendWidth,
+ legendHeight,
+ box = legend.box,
+ options = legend.options,
+ padding = legend.padding,
+ legendBorderWidth = options.borderWidth,
+ legendBackgroundColor = options.backgroundColor;
+
+ legend.itemX = legend.initialItemX;
+ legend.itemY = legend.initialItemY;
+ legend.offsetWidth = 0;
+ legend.lastItemY = 0;
+
+ if (!legendGroup) {
+ legend.group = legendGroup = renderer.g('legend')
+ // #414, #759. Trackers will be drawn above the legend, but we have
+ // to sacrifice that because tooltips need to be above the legend
+ // and trackers above tooltips
+ .attr({ zIndex: 7 })
+ .add();
+ legend.contentGroup = renderer.g()
+ .attr({ zIndex: 1 }) // above background
+ .add(legendGroup);
+ legend.scrollGroup = renderer.g()
+ .add(legend.contentGroup);
+ legend.clipRect = renderer.clipRect(0, 0, 9999, chart.chartHeight);
+ legend.contentGroup.clip(legend.clipRect);
+ }
+
+ // add each series or point
+ allItems = [];
+ each(chart.series, function (serie) {
+ var seriesOptions = serie.options;
+
+ if (!seriesOptions.showInLegend) {
+ return;
+ }
+
+ // use points or series for the legend item depending on legendType
+ allItems = allItems.concat(
+ serie.legendItems ||
+ (seriesOptions.legendType === 'point' ?
+ serie.data :
+ serie)
+ );
+ });
+
+ // sort by legendIndex
+ stableSort(allItems, function (a, b) {
+ return (a.options.legendIndex || 0) - (b.options.legendIndex || 0);
+ });
+
+ // reversed legend
+ if (options.reversed) {
+ allItems.reverse();
+ }
+
+ legend.allItems = allItems;
+ legend.display = display = !!allItems.length;
+
+ // render the items
+ each(allItems, function (item) {
+ legend.renderItem(item);
+ });
+
+ // Draw the border
+ legendWidth = options.width || legend.offsetWidth;
+ legendHeight = legend.lastItemY + legend.lastLineHeight;
+
+
+ legendHeight = legend.handleOverflow(legendHeight);
+
+ if (legendBorderWidth || legendBackgroundColor) {
+ legendWidth += padding;
+ legendHeight += padding;
+
+ if (!box) {
+ legend.box = box = renderer.rect(
+ 0,
+ 0,
+ legendWidth,
+ legendHeight,
+ options.borderRadius,
+ legendBorderWidth || 0
+ ).attr({
+ stroke: options.borderColor,
+ 'stroke-width': legendBorderWidth || 0,
+ fill: legendBackgroundColor || NONE
+ })
+ .add(legendGroup)
+ .shadow(options.shadow);
+ box.isNew = true;
+
+ } else if (legendWidth > 0 && legendHeight > 0) {
+ box[box.isNew ? 'attr' : 'animate'](
+ box.crisp(null, null, null, legendWidth, legendHeight)
+ );
+ box.isNew = false;
+ }
+
+ // hide the border if no items
+ box[display ? 'show' : 'hide']();
+ }
+
+ legend.legendWidth = legendWidth;
+ legend.legendHeight = legendHeight;
+
+ // Now that the legend width and height are established, put the items in the
+ // final position
+ each(allItems, function (item) {
+ legend.positionItem(item);
+ });
+
+ // 1.x compatibility: positioning based on style
+ /*var props = ['left', 'right', 'top', 'bottom'],
+ prop,
+ i = 4;
+ while (i--) {
+ prop = props[i];
+ if (options.style[prop] && options.style[prop] !== 'auto') {
+ options[i < 2 ? 'align' : 'verticalAlign'] = prop;
+ options[i < 2 ? 'x' : 'y'] = pInt(options.style[prop]) * (i % 2 ? -1 : 1);
+ }
+ }*/
+
+ if (display) {
+ legendGroup.align(extend({
+ width: legendWidth,
+ height: legendHeight
+ }, options), true, chart.spacingBox);
+ }
+
+ if (!chart.isResizing) {
+ this.positionCheckboxes();
+ }
+ },
+
+ /**
+ * Set up the overflow handling by adding navigation with up and down arrows below the
+ * legend.
+ */
+ handleOverflow: function (legendHeight) {
+ var legend = this,
+ chart = this.chart,
+ renderer = chart.renderer,
+ pageCount,
+ options = this.options,
+ optionsY = options.y,
+ alignTop = options.verticalAlign === 'top',
+ spaceHeight = chart.spacingBox.height + (alignTop ? -optionsY : optionsY) - this.padding,
+ maxHeight = options.maxHeight, // docs
+ clipHeight,
+ clipRect = this.clipRect,
+ navOptions = options.navigation,
+ animation = pick(navOptions.animation, true),
+ arrowSize = navOptions.arrowSize || 12,
+ nav = this.nav;
+
+ // Adjust the height
+ if (options.layout === 'horizontal') {
+ spaceHeight /= 2;
+ }
+ if (maxHeight) {
+ spaceHeight = mathMin(spaceHeight, maxHeight);
+ }
+
+ // Reset the legend height and adjust the clipping rectangle
+ if (legendHeight > spaceHeight) {
+
+ this.clipHeight = clipHeight = spaceHeight - 20;
+ this.pageCount = pageCount = mathCeil(legendHeight / clipHeight);
+ this.currentPage = pick(this.currentPage, 1);
+ this.fullHeight = legendHeight;
+
+ clipRect.attr({
+ height: clipHeight
+ });
+
+ // Add navigation elements
+ if (!nav) {
+ this.nav = nav = renderer.g().attr({ zIndex: 1 }).add(this.group);
+ this.up = renderer.symbol('triangle', 0, 0, arrowSize, arrowSize)
+ .on('click', function () {
+ legend.scroll(-1, animation);
+ })
+ .add(nav);
+ this.pager = renderer.text('', 15, 10)
+ .css(navOptions.style)
+ .add(nav);
+ this.down = renderer.symbol('triangle-down', 0, 0, arrowSize, arrowSize)
+ .on('click', function () {
+ legend.scroll(1, animation);
+ })
+ .add(nav);
+ }
+
+ // Set initial position
+ legend.scroll(0);
+
+ legendHeight = spaceHeight;
+
+ } else if (nav) {
+ clipRect.attr({
+ height: chart.chartHeight
+ });
+ nav.hide();
+ this.scrollGroup.attr({
+ translateY: 1
+ });
+ }
+
+ return legendHeight;
+ },
+
+ /**
+ * Scroll the legend by a number of pages
+ * @param {Object} scrollBy
+ * @param {Object} animation
+ */
+ scroll: function (scrollBy, animation) {
+ var pageCount = this.pageCount,
+ currentPage = this.currentPage + scrollBy,
+ clipHeight = this.clipHeight,
+ navOptions = this.options.navigation,
+ activeColor = navOptions.activeColor,
+ inactiveColor = navOptions.inactiveColor,
+ pager = this.pager,
+ padding = this.padding;
+
+ // When resizing while looking at the last page
+ if (currentPage > pageCount) {
+ currentPage = pageCount;
+ }
+
+ if (currentPage > 0) {
+
+ if (animation !== UNDEFINED) {
+ setAnimation(animation, this.chart);
+ }
+
+ this.nav.attr({
+ translateX: padding,
+ translateY: clipHeight + 7,
+ visibility: VISIBLE
+ });
+ this.up.attr({
+ fill: currentPage === 1 ? inactiveColor : activeColor
+ })
+ .css({
+ cursor: currentPage === 1 ? 'default' : 'pointer'
+ });
+ pager.attr({
+ text: currentPage + '/' + this.pageCount
+ });
+ this.down.attr({
+ x: 18 + this.pager.getBBox().width, // adjust to text width
+ fill: currentPage === pageCount ? inactiveColor : activeColor
+ })
+ .css({
+ cursor: currentPage === pageCount ? 'default' : 'pointer'
+ });
+
+ this.scrollGroup.animate({
+ translateY: -mathMin(clipHeight * (currentPage - 1), this.fullHeight - clipHeight + padding) + 1
+ });
+ pager.attr({
+ text: currentPage + '/' + pageCount
+ });
+
+
+ this.currentPage = currentPage;
+ }
+
+ }
+
+};
+
+
+/**
+ * The chart class
+ * @param {Object} options
+ * @param {Function} callback Function to run when the chart has loaded
+ */
+function Chart(userOptions, callback) {
+ // Handle regular options
+ var options,
+ seriesOptions = userOptions.series; // skip merging data points to increase performance
+ userOptions.series = null;
+ options = merge(defaultOptions, userOptions); // do the merge
+ options.series = userOptions.series = seriesOptions; // set back the series data
+
+ var optionsChart = options.chart,
+ optionsMargin = optionsChart.margin,
+ margin = isObject(optionsMargin) ?
+ optionsMargin :
+ [optionsMargin, optionsMargin, optionsMargin, optionsMargin];
+
+ this.optionsMarginTop = pick(optionsChart.marginTop, margin[0]);
+ this.optionsMarginRight = pick(optionsChart.marginRight, margin[1]);
+ this.optionsMarginBottom = pick(optionsChart.marginBottom, margin[2]);
+ this.optionsMarginLeft = pick(optionsChart.marginLeft, margin[3]);
+
+ var chartEvents = optionsChart.events;
+
+ this.runChartClick = chartEvents && !!chartEvents.click;
+ this.callback = callback;
+ this.isResizing = 0;
+ this.options = options;
+ //chartTitleOptions = UNDEFINED;
+ //chartSubtitleOptions = UNDEFINED;
+
+ this.axes = [];
+ this.series = [];
+ this.hasCartesianSeries = optionsChart.showAxes;
+ //this.axisOffset = UNDEFINED;
+ //this.maxTicks = UNDEFINED; // handle the greatest amount of ticks on grouped axes
+ //this.inverted = UNDEFINED;
+ //this.loadingShown = UNDEFINED;
+ //this.container = UNDEFINED;
+ //this.chartWidth = UNDEFINED;
+ //this.chartHeight = UNDEFINED;
+ //this.marginRight = UNDEFINED;
+ //this.marginBottom = UNDEFINED;
+ //this.containerWidth = UNDEFINED;
+ //this.containerHeight = UNDEFINED;
+ //this.oldChartWidth = UNDEFINED;
+ //this.oldChartHeight = UNDEFINED;
+
+ //this.renderTo = UNDEFINED;
+ //this.renderToClone = UNDEFINED;
+ //this.tracker = UNDEFINED;
+
+ //this.spacingBox = UNDEFINED
+
+ //this.legend = UNDEFINED;
+
+ // Elements
+ //this.chartBackground = UNDEFINED;
+ //this.plotBackground = UNDEFINED;
+ //this.plotBGImage = UNDEFINED;
+ //this.plotBorder = UNDEFINED;
+ //this.loadingDiv = UNDEFINED;
+ //this.loadingSpan = UNDEFINED;
+
+ this.init(chartEvents);
+}
+
+Chart.prototype = {
+
+ /**
+ * Initialize an individual series, called internally before render time
+ */
+ initSeries: function (options) {
+ var chart = this,
+ optionsChart = chart.options.chart,
+ type = options.type || optionsChart.type || optionsChart.defaultSeriesType,
+ series = new seriesTypes[type]();
+
+ series.init(this, options);
+ return series;
+ },
+
+ /**
+ * Add a series dynamically after time
+ *
+ * @param {Object} options The config options
+ * @param {Boolean} redraw Whether to redraw the chart after adding. Defaults to true.
+ * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
+ * configuration
+ *
+ * @return {Object} series The newly created series object
+ */
+ addSeries: function (options, redraw, animation) {
+ var series,
+ chart = this;
+
+ if (options) {
+ setAnimation(animation, chart);
+ redraw = pick(redraw, true); // defaults to true
+
+ fireEvent(chart, 'addSeries', { options: options }, function () {
+ chart.initSeries(options);
+ //series = chart.initSeries(options);
+ //series.isDirty = true;
+
+ chart.isDirtyLegend = true; // the series array is out of sync with the display
+ if (redraw) {
+ chart.redraw();
+ }
+ });
+ }
+
+ return series;
+ },
+
+ /**
+ * Check whether a given point is within the plot area
+ *
+ * @param {Number} x Pixel x relative to the plot area
+ * @param {Number} y Pixel y relative to the plot area
+ */
+ isInsidePlot: function (x, y) {
+ return x >= 0 &&
+ x <= this.plotWidth &&
+ y >= 0 &&
+ y <= this.plotHeight;
+ },
+
+ /**
+ * Adjust all axes tick amounts
+ */
+ adjustTickAmounts: function () {
+ if (this.options.chart.alignTicks !== false) {
+ each(this.axes, function (axis) {
+ axis.adjustTickAmount();
+ });
+ }
+ this.maxTicks = null;
+ },
+
+ /**
+ * Redraw legend, axes or series based on updated data
+ *
+ * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
+ * configuration
+ */
+ redraw: function (animation) {
+ var chart = this,
+ axes = chart.axes,
+ series = chart.series,
+ tracker = chart.tracker,
+ legend = chart.legend,
+ redrawLegend = chart.isDirtyLegend,
+ hasStackedSeries,
+ isDirtyBox = chart.isDirtyBox, // todo: check if it has actually changed?
+ seriesLength = series.length,
+ i = seriesLength,
+ clipRect = chart.clipRect,
+ serie,
+ renderer = chart.renderer,
+ isHiddenChart = renderer.isHidden();
+
+ setAnimation(animation, chart);
+
+ if (isHiddenChart) {
+ chart.cloneRenderTo();
+ }
+
+ // link stacked series
+ while (i--) {
+ serie = series[i];
+ if (serie.isDirty && serie.options.stacking) {
+ hasStackedSeries = true;
+ break;
+ }
+ }
+ if (hasStackedSeries) { // mark others as dirty
+ i = seriesLength;
+ while (i--) {
+ serie = series[i];
+ if (serie.options.stacking) {
+ serie.isDirty = true;
+ }
+ }
+ }
+
+ // handle updated data in the series
+ each(series, function (serie) {
+ if (serie.isDirty) { // prepare the data so axis can read it
+ if (serie.options.legendType === 'point') {
+ redrawLegend = true;
+ }
+ }
+ });
+
+ // handle added or removed series
+ if (redrawLegend && legend.options.enabled) { // series or pie points are added or removed
+ // draw legend graphics
+ legend.render();
+
+ chart.isDirtyLegend = false;
+ }
+
+
+ if (chart.hasCartesianSeries) {
+ if (!chart.isResizing) {
+
+ // reset maxTicks
+ chart.maxTicks = null;
+
+ // set axes scales
+ each(axes, function (axis) {
+ axis.setScale();
+ });
+ }
+ chart.adjustTickAmounts();
+ chart.getMargins();
+
+ // redraw axes
+ each(axes, function (axis) {
+
+ // Fire 'afterSetExtremes' only if extremes are set
+ if (axis.isDirtyExtremes) { // #821
+ axis.isDirtyExtremes = false;
+ fireEvent(axis, 'afterSetExtremes', axis.getExtremes()); // #747, #751
+ }
+
+ if (axis.isDirty || isDirtyBox || hasStackedSeries) {
+ axis.redraw();
+ isDirtyBox = true; // #792
+ }
+ });
+
+
+ }
+
+ // the plot areas size has changed
+ if (isDirtyBox) {
+ chart.drawChartBox();
+
+ // move clip rect
+ if (clipRect) {
+ stop(clipRect);
+ clipRect.animate({ // for chart resize
+ width: chart.plotSizeX,
+ height: chart.plotSizeY + 1
+ });
+ }
+
+ }
+
+
+ // redraw affected series
+ each(series, function (serie) {
+ if (serie.isDirty && serie.visible &&
+ (!serie.isCartesian || serie.xAxis)) { // issue #153
+ serie.redraw();
+ }
+ });
+
+
+ // move tooltip or reset
+ if (tracker && tracker.resetTracker) {
+ tracker.resetTracker(true);
+ }
+
+ // redraw if canvas
+ renderer.draw();
+
+ // fire the event
+ fireEvent(chart, 'redraw'); // jQuery breaks this when calling it from addEvent. Overwrites chart.redraw
+
+ if (isHiddenChart) {
+ chart.cloneRenderTo(true);
+ }
+ },
+
+
+
+ /**
+ * Dim the chart and show a loading text or symbol
+ * @param {String} str An optional text to show in the loading label instead of the default one
+ */
+ showLoading: function (str) {
+ var chart = this,
+ options = chart.options,
+ loadingDiv = chart.loadingDiv;
+
+ var loadingOptions = options.loading;
+
+ // create the layer at the first call
+ if (!loadingDiv) {
+ chart.loadingDiv = loadingDiv = createElement(DIV, {
+ className: PREFIX + 'loading'
+ }, extend(loadingOptions.style, {
+ left: chart.plotLeft + PX,
+ top: chart.plotTop + PX,
+ width: chart.plotWidth + PX,
+ height: chart.plotHeight + PX,
+ zIndex: 10,
+ display: NONE
+ }), chart.container);
+
+ chart.loadingSpan = createElement(
+ 'span',
+ null,
+ loadingOptions.labelStyle,
+ loadingDiv
+ );
+
+ }
+
+ // update text
+ chart.loadingSpan.innerHTML = str || options.lang.loading;
+
+ // show it
+ if (!chart.loadingShown) {
+ css(loadingDiv, { opacity: 0, display: '' });
+ animate(loadingDiv, {
+ opacity: loadingOptions.style.opacity
+ }, {
+ duration: loadingOptions.showDuration || 0
+ });
+ chart.loadingShown = true;
+ }
+ },
+
+ /**
+ * Hide the loading layer
+ */
+ hideLoading: function () {
+ var options = this.options,
+ loadingDiv = this.loadingDiv;
+
+ if (loadingDiv) {
+ animate(loadingDiv, {
+ opacity: 0
+ }, {
+ duration: options.loading.hideDuration || 100,
+ complete: function () {
+ css(loadingDiv, { display: NONE });
+ }
+ });
+ }
+ this.loadingShown = false;
+ },
+
+ /**
+ * Get an axis, series or point object by id.
+ * @param id {String} The id as given in the configuration options
+ */
+ get: function (id) {
+ var chart = this,
+ axes = chart.axes,
+ series = chart.series;
+
+ var i,
+ j,
+ points;
+
+ // search axes
+ for (i = 0; i < axes.length; i++) {
+ if (axes[i].options.id === id) {
+ return axes[i];
+ }
+ }
+
+ // search series
+ for (i = 0; i < series.length; i++) {
+ if (series[i].options.id === id) {
+ return series[i];
+ }
+ }
+
+ // search points
+ for (i = 0; i < series.length; i++) {
+ points = series[i].points || [];
+ for (j = 0; j < points.length; j++) {
+ if (points[j].id === id) {
+ return points[j];
+ }
+ }
+ }
+ return null;
+ },
+
+ /**
+ * Create the Axis instances based on the config options
+ */
+ getAxes: function () {
+ var chart = this,
+ options = this.options;
+
+ var xAxisOptions = options.xAxis || {},
+ yAxisOptions = options.yAxis || {},
+ optionsArray,
+ axis;
+
+ // make sure the options are arrays and add some members
+ xAxisOptions = splat(xAxisOptions);
+ each(xAxisOptions, function (axis, i) {
+ axis.index = i;
+ axis.isX = true;
+ });
+
+ yAxisOptions = splat(yAxisOptions);
+ each(yAxisOptions, function (axis, i) {
+ axis.index = i;
+ });
+
+ // concatenate all axis options into one array
+ optionsArray = xAxisOptions.concat(yAxisOptions);
+
+ each(optionsArray, function (axisOptions) {
+ axis = new Axis(chart, axisOptions);
+ });
+
+ chart.adjustTickAmounts();
+ },
+
+
+ /**
+ * Get the currently selected points from all series
+ */
+ getSelectedPoints: function () {
+ var points = [];
+ each(this.series, function (serie) {
+ points = points.concat(grep(serie.points, function (point) {
+ return point.selected;
+ }));
+ });
+ return points;
+ },
+
+ /**
+ * Get the currently selected series
+ */
+ getSelectedSeries: function () {
+ return grep(this.series, function (serie) {
+ return serie.selected;
+ });
+ },
+
+ /**
+ * Display the zoom button
+ */
+ showResetZoom: function () {
+ var chart = this,
+ lang = defaultOptions.lang,
+ btnOptions = chart.options.chart.resetZoomButton,
+ theme = btnOptions.theme,
+ states = theme.states,
+ box = btnOptions.relativeTo === 'chart' ? null : {
+ x: chart.plotLeft,
+ y: chart.plotTop,
+ width: chart.plotWidth,
+ height: chart.plotHeight
+ };
+ this.resetZoomButton = chart.renderer.button(lang.resetZoom, null, null, function () { chart.zoomOut(); }, theme, states && states.hover)
+ .attr({
+ align: btnOptions.position.align,
+ title: lang.resetZoomTitle
+ })
+ .add()
+ .align(btnOptions.position, false, box);
+ },
+
+ /**
+ * Zoom out to 1:1
+ */
+ zoomOut: function () {
+ var chart = this,
+ resetZoomButton = chart.resetZoomButton;
+
+ fireEvent(chart, 'selection', { resetSelection: true }, function () { chart.zoom(); });
+ if (resetZoomButton) {
+ chart.resetZoomButton = resetZoomButton.destroy();
+ }
+ },
+
+ /**
+ * Zoom into a given portion of the chart given by axis coordinates
+ * @param {Object} event
+ */
+ zoom: function (event) {
+ var chart = this,
+ optionsChart = chart.options.chart;
+
+ // add button to reset selection
+ var hasZoomed;
+
+ if (chart.resetZoomEnabled !== false && !chart.resetZoomButton) { // hook for Stock charts etc.
+ chart.showResetZoom();
+ }
+
+ // if zoom is called with no arguments, reset the axes
+ if (!event || event.resetSelection) {
+ each(chart.axes, function (axis) {
+ if (axis.options.zoomEnabled !== false) {
+ axis.setExtremes(null, null, false);
+ hasZoomed = true;
+ }
+ });
+ } else { // else, zoom in on all axes
+ each(event.xAxis.concat(event.yAxis), function (axisData) {
+ var axis = axisData.axis;
+
+ // don't zoom more than minRange
+ if (chart.tracker[axis.isXAxis ? 'zoomX' : 'zoomY']) {
+ axis.setExtremes(axisData.min, axisData.max, false);
+ hasZoomed = true;
+ }
+ });
+ }
+
+ // Redraw
+ if (hasZoomed) {
+ chart.redraw(
+ pick(optionsChart.animation, chart.pointCount < 100) // animation
+ );
+ }
+ },
+
+ /**
+ * Pan the chart by dragging the mouse across the pane. This function is called
+ * on mouse move, and the distance to pan is computed from chartX compared to
+ * the first chartX position in the dragging operation.
+ */
+ pan: function (chartX) {
+ var chart = this;
+
+ var xAxis = chart.xAxis[0],
+ mouseDownX = chart.mouseDownX,
+ halfPointRange = xAxis.pointRange / 2,
+ extremes = xAxis.getExtremes(),
+ newMin = xAxis.translate(mouseDownX - chartX, true) + halfPointRange,
+ newMax = xAxis.translate(mouseDownX + chart.plotWidth - chartX, true) - halfPointRange,
+ hoverPoints = chart.hoverPoints;
+
+ // remove active points for shared tooltip
+ if (hoverPoints) {
+ each(hoverPoints, function (point) {
+ point.setState();
+ });
+ }
+
+ if (xAxis.series.length && newMin > mathMin(extremes.dataMin, extremes.min) && newMax < mathMax(extremes.dataMax, extremes.max)) {
+ xAxis.setExtremes(newMin, newMax, true, false);
+ }
+
+ chart.mouseDownX = chartX; // set new reference for next run
+ css(chart.container, { cursor: 'move' });
+ },
+
+ /**
+ * Show the title and subtitle of the chart
+ *
+ * @param titleOptions {Object} New title options
+ * @param subtitleOptions {Object} New subtitle options
+ *
+ */
+ setTitle: function (titleOptions, subtitleOptions) {
+ var chart = this,
+ options = chart.options,
+ chartTitleOptions,
+ chartSubtitleOptions;
+
+ chart.chartTitleOptions = chartTitleOptions = merge(options.title, titleOptions);
+ chart.chartSubtitleOptions = chartSubtitleOptions = merge(options.subtitle, subtitleOptions);
+
+ // add title and subtitle
+ each([
+ ['title', titleOptions, chartTitleOptions],
+ ['subtitle', subtitleOptions, chartSubtitleOptions]
+ ], function (arr) {
+ var name = arr[0],
+ title = chart[name],
+ titleOptions = arr[1],
+ chartTitleOptions = arr[2];
+
+ if (title && titleOptions) {
+ title = title.destroy(); // remove old
+ }
+ if (chartTitleOptions && chartTitleOptions.text && !title) {
+ chart[name] = chart.renderer.text(
+ chartTitleOptions.text,
+ 0,
+ 0,
+ chartTitleOptions.useHTML
+ )
+ .attr({
+ align: chartTitleOptions.align,
+ 'class': PREFIX + name,
+ zIndex: chartTitleOptions.zIndex || 4
+ })
+ .css(chartTitleOptions.style)
+ .add()
+ .align(chartTitleOptions, false, chart.spacingBox);
+ }
+ });
+
+ },
+
+ /**
+ * Get chart width and height according to options and container size
+ */
+ getChartSize: function () {
+ var chart = this,
+ optionsChart = chart.options.chart,
+ renderTo = chart.renderToClone || chart.renderTo;
+
+ // get inner width and height from jQuery (#824)
+ chart.containerWidth = adapterRun(renderTo, 'width');
+ chart.containerHeight = adapterRun(renderTo, 'height');
+
+ chart.chartWidth = optionsChart.width || chart.containerWidth || 600;
+ chart.chartHeight = optionsChart.height ||
+ // the offsetHeight of an empty container is 0 in standard browsers, but 19 in IE7:
+ (chart.containerHeight > 19 ? chart.containerHeight : 400);
+ },
+
+ /**
+ * Create a clone of the chart's renderTo div and place it outside the viewport to allow
+ * size computation on chart.render and chart.redraw
+ */
+ cloneRenderTo: function (revert) {
+ var clone = this.renderToClone,
+ container = this.container;
+
+ // Destroy the clone and bring the container back to the real renderTo div
+ if (revert) {
+ if (clone) {
+ this.renderTo.appendChild(container);
+ discardElement(clone);
+ delete this.renderToClone;
+ }
+
+ // Set up the clone
+ } else {
+ if (container) {
+ this.renderTo.removeChild(container); // do not clone this
+ }
+ this.renderToClone = clone = this.renderTo.cloneNode(0);
+ css(clone, {
+ position: ABSOLUTE,
+ top: '-9999px',
+ display: 'block' // #833
+ });
+ doc.body.appendChild(clone);
+ if (container) {
+ clone.appendChild(container);
+ }
+ }
+ },
+
+ /**
+ * Get the containing element, determine the size and create the inner container
+ * div to hold the chart
+ */
+ getContainer: function () {
+ var chart = this,
+ container,
+ optionsChart = chart.options.chart,
+ chartWidth,
+ chartHeight,
+ renderTo,
+ containerId;
+
+ chart.renderTo = renderTo = optionsChart.renderTo;
+ containerId = PREFIX + idCounter++;
+
+ if (isString(renderTo)) {
+ chart.renderTo = renderTo = doc.getElementById(renderTo);
+ }
+
+ // Display an error if the renderTo is wrong
+ if (!renderTo) {
+ error(13, true);
+ }
+
+ // remove previous chart
+ renderTo.innerHTML = '';
+
+ // If the container doesn't have an offsetWidth, it has or is a child of a node
+ // that has display:none. We need to temporarily move it out to a visible
+ // state to determine the size, else the legend and tooltips won't render
+ // properly
+ if (!renderTo.offsetWidth) {
+ chart.cloneRenderTo();
+ }
+
+ // get the width and height
+ chart.getChartSize();
+ chartWidth = chart.chartWidth;
+ chartHeight = chart.chartHeight;
+
+ // create the inner container
+ chart.container = container = createElement(DIV, {
+ className: PREFIX + 'container' +
+ (optionsChart.className ? ' ' + optionsChart.className : ''),
+ id: containerId
+ }, extend({
+ position: RELATIVE,
+ overflow: HIDDEN, // needed for context menu (avoid scrollbars) and
+ // content overflow in IE
+ width: chartWidth + PX,
+ height: chartHeight + PX,
+ textAlign: 'left',
+ lineHeight: 'normal' // #427
+ }, optionsChart.style),
+ chart.renderToClone || renderTo
+ );
+
+ chart.renderer =
+ optionsChart.forExport ? // force SVG, used for SVG export
+ new SVGRenderer(container, chartWidth, chartHeight, true) :
+ new Renderer(container, chartWidth, chartHeight);
+
+ if (useCanVG) {
+ // If we need canvg library, extend and configure the renderer
+ // to get the tracker for translating mouse events
+ chart.renderer.create(chart, container, chartWidth, chartHeight);
+ }
+ },
+
+ /**
+ * Calculate margins by rendering axis labels in a preliminary position. Title,
+ * subtitle and legend have already been rendered at this stage, but will be
+ * moved into their final positions
+ */
+ getMargins: function () {
+ var chart = this,
+ optionsChart = chart.options.chart,
+ spacingTop = optionsChart.spacingTop,
+ spacingRight = optionsChart.spacingRight,
+ spacingBottom = optionsChart.spacingBottom,
+ spacingLeft = optionsChart.spacingLeft,
+ axisOffset,
+ legend = chart.legend,
+ optionsMarginTop = chart.optionsMarginTop,
+ optionsMarginLeft = chart.optionsMarginLeft,
+ optionsMarginRight = chart.optionsMarginRight,
+ optionsMarginBottom = chart.optionsMarginBottom,
+ chartTitleOptions = chart.chartTitleOptions,
+ chartSubtitleOptions = chart.chartSubtitleOptions,
+ legendOptions = chart.options.legend,
+ legendMargin = pick(legendOptions.margin, 10),
+ legendX = legendOptions.x,
+ legendY = legendOptions.y,
+ align = legendOptions.align,
+ verticalAlign = legendOptions.verticalAlign,
+ titleOffset;
+
+ chart.resetMargins();
+ axisOffset = chart.axisOffset;
+
+ // adjust for title and subtitle
+ if ((chart.title || chart.subtitle) && !defined(chart.optionsMarginTop)) {
+ titleOffset = mathMax(
+ (chart.title && !chartTitleOptions.floating && !chartTitleOptions.verticalAlign && chartTitleOptions.y) || 0,
+ (chart.subtitle && !chartSubtitleOptions.floating && !chartSubtitleOptions.verticalAlign && chartSubtitleOptions.y) || 0
+ );
+ if (titleOffset) {
+ chart.plotTop = mathMax(chart.plotTop, titleOffset + pick(chartTitleOptions.margin, 15) + spacingTop);
+ }
+ }
+ // adjust for legend
+ if (legend.display && !legendOptions.floating) {
+ if (align === 'right') { // horizontal alignment handled first
+ if (!defined(optionsMarginRight)) {
+ chart.marginRight = mathMax(
+ chart.marginRight,
+ legend.legendWidth - legendX + legendMargin + spacingRight
+ );
+ }
+ } else if (align === 'left') {
+ if (!defined(optionsMarginLeft)) {
+ chart.plotLeft = mathMax(
+ chart.plotLeft,
+ legend.legendWidth + legendX + legendMargin + spacingLeft
+ );
+ }
+
+ } else if (verticalAlign === 'top') {
+ if (!defined(optionsMarginTop)) {
+ chart.plotTop = mathMax(
+ chart.plotTop,
+ legend.legendHeight + legendY + legendMargin + spacingTop
+ );
+ }
+
+ } else if (verticalAlign === 'bottom') {
+ if (!defined(optionsMarginBottom)) {
+ chart.marginBottom = mathMax(
+ chart.marginBottom,
+ legend.legendHeight - legendY + legendMargin + spacingBottom
+ );
+ }
+ }
+ }
+
+ // adjust for scroller
+ if (chart.extraBottomMargin) {
+ chart.marginBottom += chart.extraBottomMargin;
+ }
+ if (chart.extraTopMargin) {
+ chart.plotTop += chart.extraTopMargin;
+ }
+
+ // pre-render axes to get labels offset width
+ if (chart.hasCartesianSeries) {
+ each(chart.axes, function (axis) {
+ axis.getOffset();
+ });
+ }
+
+ if (!defined(optionsMarginLeft)) {
+ chart.plotLeft += axisOffset[3];
+ }
+ if (!defined(optionsMarginTop)) {
+ chart.plotTop += axisOffset[0];
+ }
+ if (!defined(optionsMarginBottom)) {
+ chart.marginBottom += axisOffset[2];
+ }
+ if (!defined(optionsMarginRight)) {
+ chart.marginRight += axisOffset[1];
+ }
+
+ chart.setChartSize();
+
+ },
+
+ /**
+ * Add the event handlers necessary for auto resizing
+ *
+ */
+ initReflow: function () {
+ var chart = this,
+ optionsChart = chart.options.chart,
+ renderTo = chart.renderTo;
+
+ var reflowTimeout;
+ function reflow(e) {
+ var width = optionsChart.width || adapterRun(renderTo, 'width'),
+ height = optionsChart.height || adapterRun(renderTo, 'height'),
+ target = e ? e.target : win; // #805 - MooTools doesn't supply e
+
+ // Width and height checks for display:none. Target is doc in IE8 and Opera,
+ // win in Firefox, Chrome and IE9.
+ if (width && height && (target === win || target === doc)) {
+
+ if (width !== chart.containerWidth || height !== chart.containerHeight) {
+ clearTimeout(reflowTimeout);
+ reflowTimeout = setTimeout(function () {
+ chart.resize(width, height, false);
+ }, 100);
+ }
+ chart.containerWidth = width;
+ chart.containerHeight = height;
+ }
+ }
+ addEvent(win, 'resize', reflow);
+ addEvent(chart, 'destroy', function () {
+ removeEvent(win, 'resize', reflow);
+ });
+ },
+
+ /**
+ * Fires endResize event on chart instance.
+ */
+ fireEndResize: function () {
+ var chart = this;
+
+ if (chart) {
+ fireEvent(chart, 'endResize', null, function () {
+ chart.isResizing -= 1;
+ });
+ }
+ },
+
+ /**
+ * Resize the chart to a given width and height
+ * @param {Number} width
+ * @param {Number} height
+ * @param {Object|Boolean} animation
+ */
+ // TODO: This method is called setSize in the api
+ resize: function (width, height, animation) {
+ var chart = this,
+ chartWidth,
+ chartHeight,
+ spacingBox,
+ chartTitle = chart.title,
+ chartSubtitle = chart.subtitle;
+
+ chart.isResizing += 1;
+
+ // set the animation for the current process
+ setAnimation(animation, chart);
+
+ chart.oldChartHeight = chart.chartHeight;
+ chart.oldChartWidth = chart.chartWidth;
+ if (defined(width)) {
+ chart.chartWidth = chartWidth = mathRound(width);
+ }
+ if (defined(height)) {
+ chart.chartHeight = chartHeight = mathRound(height);
+ }
+
+ css(chart.container, {
+ width: chartWidth + PX,
+ height: chartHeight + PX
+ });
+ chart.renderer.setSize(chartWidth, chartHeight, animation);
+
+ // update axis lengths for more correct tick intervals:
+ chart.plotWidth = chartWidth - chart.plotLeft - chart.marginRight;
+ chart.plotHeight = chartHeight - chart.plotTop - chart.marginBottom;
+
+ // handle axes
+ chart.maxTicks = null;
+ each(chart.axes, function (axis) {
+ axis.isDirty = true;
+ axis.setScale();
+ });
+
+ // make sure non-cartesian series are also handled
+ each(chart.series, function (serie) {
+ serie.isDirty = true;
+ });
+
+ chart.isDirtyLegend = true; // force legend redraw
+ chart.isDirtyBox = true; // force redraw of plot and chart border
+
+ chart.getMargins();
+
+ // move titles
+ spacingBox = chart.spacingBox;
+ if (chartTitle) {
+ chartTitle.align(null, null, spacingBox);
+ }
+ if (chartSubtitle) {
+ chartSubtitle.align(null, null, spacingBox);
+ }
+
+ chart.redraw(animation);
+
+
+ chart.oldChartHeight = null;
+ fireEvent(chart, 'resize');
+
+ // fire endResize and set isResizing back
+ // If animation is disabled, fire without delay
+ if (globalAnimation === false) {
+ chart.fireEndResize();
+ } else { // else set a timeout with the animation duration
+ setTimeout(chart.fireEndResize, (globalAnimation && globalAnimation.duration) || 500);
+ }
+ },
+
+ /**
+ * Set the public chart properties. This is done before and after the pre-render
+ * to determine margin sizes
+ */
+ setChartSize: function () {
+ var chart = this,
+ inverted = chart.inverted,
+ chartWidth = chart.chartWidth,
+ chartHeight = chart.chartHeight,
+ optionsChart = chart.options.chart,
+ spacingTop = optionsChart.spacingTop,
+ spacingRight = optionsChart.spacingRight,
+ spacingBottom = optionsChart.spacingBottom,
+ spacingLeft = optionsChart.spacingLeft;
+
+ chart.plotLeft = mathRound(chart.plotLeft);
+ chart.plotTop = mathRound(chart.plotTop);
+ chart.plotWidth = mathRound(chartWidth - chart.plotLeft - chart.marginRight);
+ chart.plotHeight = mathRound(chartHeight - chart.plotTop - chart.marginBottom);
+
+ chart.plotSizeX = inverted ? chart.plotHeight : chart.plotWidth;
+ chart.plotSizeY = inverted ? chart.plotWidth : chart.plotHeight;
+
+ chart.spacingBox = {
+ x: spacingLeft,
+ y: spacingTop,
+ width: chartWidth - spacingLeft - spacingRight,
+ height: chartHeight - spacingTop - spacingBottom
+ };
+
+ each(chart.axes, function (axis) {
+ axis.setAxisSize();
+ axis.setAxisTranslation();
+ });
+ },
+
+ /**
+ * Initial margins before auto size margins are applied
+ */
+ resetMargins: function () {
+ var chart = this,
+ optionsChart = chart.options.chart,
+ spacingTop = optionsChart.spacingTop,
+ spacingRight = optionsChart.spacingRight,
+ spacingBottom = optionsChart.spacingBottom,
+ spacingLeft = optionsChart.spacingLeft;
+
+ chart.plotTop = pick(chart.optionsMarginTop, spacingTop);
+ chart.marginRight = pick(chart.optionsMarginRight, spacingRight);
+ chart.marginBottom = pick(chart.optionsMarginBottom, spacingBottom);
+ chart.plotLeft = pick(chart.optionsMarginLeft, spacingLeft);
+ chart.axisOffset = [0, 0, 0, 0]; // top, right, bottom, left
+ },
+
+ /**
+ * Draw the borders and backgrounds for chart and plot area
+ */
+ drawChartBox: function () {
+ var chart = this,
+ optionsChart = chart.options.chart,
+ renderer = chart.renderer,
+ chartWidth = chart.chartWidth,
+ chartHeight = chart.chartHeight,
+ chartBackground = chart.chartBackground,
+ plotBackground = chart.plotBackground,
+ plotBorder = chart.plotBorder,
+ plotBGImage = chart.plotBGImage,
+ chartBorderWidth = optionsChart.borderWidth || 0,
+ chartBackgroundColor = optionsChart.backgroundColor,
+ plotBackgroundColor = optionsChart.plotBackgroundColor,
+ plotBackgroundImage = optionsChart.plotBackgroundImage,
+ mgn,
+ bgAttr,
+ plotSize = {
+ x: chart.plotLeft,
+ y: chart.plotTop,
+ width: chart.plotWidth,
+ height: chart.plotHeight
+ };
+
+ // Chart area
+ mgn = chartBorderWidth + (optionsChart.shadow ? 8 : 0);
+
+ if (chartBorderWidth || chartBackgroundColor) {
+ if (!chartBackground) {
+
+ bgAttr = {
+ fill: chartBackgroundColor || NONE
+ };
+ if (chartBorderWidth) { // #980
+ bgAttr.stroke = optionsChart.borderColor;
+ bgAttr['stroke-width'] = chartBorderWidth;
+ }
+ chart.chartBackground = renderer.rect(mgn / 2, mgn / 2, chartWidth - mgn, chartHeight - mgn,
+ optionsChart.borderRadius, chartBorderWidth)
+ .attr(bgAttr)
+ .add()
+ .shadow(optionsChart.shadow);
+ } else { // resize
+ chartBackground.animate(
+ chartBackground.crisp(null, null, null, chartWidth - mgn, chartHeight - mgn)
+ );
+ }
+ }
+
+
+ // Plot background
+ if (plotBackgroundColor) {
+ if (!plotBackground) {
+ chart.plotBackground = renderer.rect(chart.plotLeft, chart.plotTop, chart.plotWidth, chart.plotHeight, 0)
+ .attr({
+ fill: plotBackgroundColor
+ })
+ .add()
+ .shadow(optionsChart.plotShadow);
+ } else {
+ plotBackground.animate(plotSize);
+ }
+ }
+ if (plotBackgroundImage) {
+ if (!plotBGImage) {
+ chart.plotBGImage = renderer.image(plotBackgroundImage, chart.plotLeft, chart.plotTop, chart.plotWidth, chart.plotHeight)
+ .add();
+ } else {
+ plotBGImage.animate(plotSize);
+ }
+ }
+
+ // Plot area border
+ if (optionsChart.plotBorderWidth) {
+ if (!plotBorder) {
+ chart.plotBorder = renderer.rect(chart.plotLeft, chart.plotTop, chart.plotWidth, chart.plotHeight, 0, optionsChart.plotBorderWidth)
+ .attr({
+ stroke: optionsChart.plotBorderColor,
+ 'stroke-width': optionsChart.plotBorderWidth,
+ zIndex: 4
+ })
+ .add();
+ } else {
+ plotBorder.animate(
+ plotBorder.crisp(null, chart.plotLeft, chart.plotTop, chart.plotWidth, chart.plotHeight)
+ );
+ }
+ }
+
+ // reset
+ chart.isDirtyBox = false;
+ },
+
+ /**
+ * Detect whether a certain chart property is needed based on inspecting its options
+ * and series. This mainly applies to the chart.invert property, and in extensions to
+ * the chart.angular and chart.polar properties.
+ */
+ propFromSeries: function () {
+ var chart = this,
+ optionsChart = chart.options.chart,
+ klass,
+ seriesOptions = chart.options.series,
+ i,
+ value;
+
+
+ each(['inverted', 'angular', 'polar'], function (key) {
+
+ // The default series type's class
+ klass = seriesTypes[optionsChart.type || optionsChart.defaultSeriesType];
+
+ // Get the value from available chart-wide properties
+ value = (
+ chart[key] || // 1. it is set before
+ optionsChart[key] || // 2. it is set in the options
+ (klass && klass.prototype[key]) // 3. it's default series class requires it
+ );
+
+ // 4. Check if any the chart's series require it
+ i = seriesOptions && seriesOptions.length;
+ while (!value && i--) {
+ klass = seriesTypes[seriesOptions[i].type];
+ if (klass && klass.prototype[key]) {
+ value = true;
+ }
+ }
+
+ // Set the chart property
+ chart[key] = value;
+ });
+
+ },
+
+ /**
+ * Render all graphics for the chart
+ */
+ render: function () {
+ var chart = this,
+ axes = chart.axes,
+ renderer = chart.renderer,
+ options = chart.options;
+
+ var labels = options.labels,
+ credits = options.credits,
+ creditsHref;
+
+ // Title
+ chart.setTitle();
+
+
+ // Legend
+ chart.legend = new Legend(chart);
+
+ // Get margins by pre-rendering axes
+ // set axes scales
+ each(axes, function (axis) {
+ axis.setScale();
+ });
+ chart.getMargins();
+
+ chart.maxTicks = null; // reset for second pass
+ each(axes, function (axis) {
+ axis.setTickPositions(true); // update to reflect the new margins
+ axis.setMaxTicks();
+ });
+ chart.adjustTickAmounts();
+ chart.getMargins(); // second pass to check for new labels
+
+
+ // Draw the borders and backgrounds
+ chart.drawChartBox();
+
+
+ // Axes
+ if (chart.hasCartesianSeries) {
+ each(axes, function (axis) {
+ axis.render();
+ });
+ }
+
+ // The series
+ if (!chart.seriesGroup) {
+ chart.seriesGroup = renderer.g('series-group')
+ .attr({ zIndex: 3 })
+ .add();
+ }
+ each(chart.series, function (serie) {
+ serie.translate();
+ serie.setTooltipPoints();
+ serie.render();
+ });
+
+ // Labels
+ if (labels.items) {
+ each(labels.items, function () {
+ var style = extend(labels.style, this.style),
+ x = pInt(style.left) + chart.plotLeft,
+ y = pInt(style.top) + chart.plotTop + 12;
+
+ // delete to prevent rewriting in IE
+ delete style.left;
+ delete style.top;
+
+ renderer.text(
+ this.html,
+ x,
+ y
+ )
+ .attr({ zIndex: 2 })
+ .css(style)
+ .add();
+
+ });
+ }
+
+ // Credits
+ if (credits.enabled && !chart.credits) {
+ creditsHref = credits.href;
+ chart.credits = renderer.text(
+ credits.text,
+ 0,
+ 0
+ )
+ .on('click', function () {
+ if (creditsHref) {
+ location.href = creditsHref;
+ }
+ })
+ .attr({
+ align: credits.position.align,
+ zIndex: 8
+ })
+ .css(credits.style)
+ .add()
+ .align(credits.position);
+ }
+
+ // Set flag
+ chart.hasRendered = true;
+
+ },
+
+ /**
+ * Clean up memory usage
+ */
+ destroy: function () {
+ var chart = this,
+ axes = chart.axes,
+ series = chart.series,
+ container = chart.container;
+
+ var i,
+ parentNode = container && container.parentNode;
+
+ // If the chart is destroyed already, do nothing.
+ // This will happen if if a script invokes chart.destroy and
+ // then it will be called again on win.unload
+ if (chart === null) {
+ return;
+ }
+
+ // fire the chart.destoy event
+ fireEvent(chart, 'destroy');
+
+ // remove events
+ removeEvent(chart);
+
+ // ==== Destroy collections:
+ // Destroy axes
+ i = axes.length;
+ while (i--) {
+ axes[i] = axes[i].destroy();
+ }
+
+ // Destroy each series
+ i = series.length;
+ while (i--) {
+ series[i] = series[i].destroy();
+ }
+
+ // ==== Destroy chart properties:
+ each(['title', 'subtitle', 'chartBackground', 'plotBackground', 'plotBGImage', 'plotBorder', 'seriesGroup', 'clipRect', 'credits', 'tracker', 'scroller', 'rangeSelector', 'legend', 'resetZoomButton', 'tooltip', 'renderer'], function (name) {
+ var prop = chart[name];
+
+ if (prop) {
+ chart[name] = prop.destroy();
+ }
+ });
+
+ // remove container and all SVG
+ if (container) { // can break in IE when destroyed before finished loading
+ container.innerHTML = '';
+ removeEvent(container);
+ if (parentNode) {
+ discardElement(container);
+ }
+
+ // IE6 leak
+ container = null;
+ }
+
+ // clean it all up
+ for (i in chart) {
+ delete chart[i];
+ }
+
+ chart.options = null;
+ chart = null;
+ },
+
+ /**
+ * Prepare for first rendering after all data are loaded
+ */
+ firstRender: function () {
+ var chart = this,
+ options = chart.options,
+ callback = chart.callback;
+
+ // VML namespaces can't be added until after complete. Listening
+ // for Perini's doScroll hack is not enough.
+ var ONREADYSTATECHANGE = 'onreadystatechange',
+ COMPLETE = 'complete';
+ // Note: in spite of JSLint's complaints, win == win.top is required
+ /*jslint eqeq: true*/
+ if ((!hasSVG && (win == win.top && doc.readyState !== COMPLETE)) || (useCanVG && !win.canvg)) {
+ /*jslint eqeq: false*/
+ if (useCanVG) {
+ // Delay rendering until canvg library is downloaded and ready
+ CanVGController.push(function () { chart.firstRender(); }, options.global.canvasToolsURL);
+ } else {
+ doc.attachEvent(ONREADYSTATECHANGE, function () {
+ doc.detachEvent(ONREADYSTATECHANGE, chart.firstRender);
+ if (doc.readyState === COMPLETE) {
+ chart.firstRender();
+ }
+ });
+ }
+ return;
+ }
+
+ // create the container
+ chart.getContainer();
+
+ // Run an early event after the container and renderer are established
+ fireEvent(chart, 'init');
+
+ // Initialize range selector for stock charts
+ if (Highcharts.RangeSelector && options.rangeSelector.enabled) {
+ chart.rangeSelector = new Highcharts.RangeSelector(chart);
+ }
+
+ chart.resetMargins();
+ chart.setChartSize();
+
+ // Set the common chart properties (mainly invert) from the given series
+ chart.propFromSeries();
+
+ // get axes
+ chart.getAxes();
+
+ // Initialize the series
+ each(options.series || [], function (serieOptions) {
+ chart.initSeries(serieOptions);
+ });
+
+ // Run an event where series and axes can be added
+ //fireEvent(chart, 'beforeRender');
+
+ // Initialize scroller for stock charts
+ if (Highcharts.Scroller && (options.navigator.enabled || options.scrollbar.enabled)) {
+ chart.scroller = new Highcharts.Scroller(chart);
+ }
+
+ // depends on inverted and on margins being set
+ chart.tracker = new MouseTracker(chart, options);
+
+ chart.render();
+
+ // add canvas
+ chart.renderer.draw();
+ // run callbacks
+ if (callback) {
+ callback.apply(chart, [chart]);
+ }
+ each(chart.callbacks, function (fn) {
+ fn.apply(chart, [chart]);
+ });
+
+
+ // If the chart was rendered outside the top container, put it back in
+ chart.cloneRenderTo(true);
+
+ fireEvent(chart, 'load');
+
+ },
+
+ init: function (chartEvents) {
+ var chart = this,
+ optionsChart = chart.options.chart,
+ eventType;
+
+ // Run chart
+
+ // Set up auto resize
+ if (optionsChart.reflow !== false) {
+ addEvent(chart, 'load', chart.initReflow);
+ }
+
+ // Chart event handlers
+ if (chartEvents) {
+ for (eventType in chartEvents) {
+ addEvent(chart, eventType, chartEvents[eventType]);
+ }
+ }
+
+ chart.xAxis = [];
+ chart.yAxis = [];
+
+ // Expose methods and variables
+ chart.animation = useCanVG ? false : pick(optionsChart.animation, true);
+ chart.setSize = chart.resize;
+ chart.pointCount = 0;
+ chart.counters = new ChartCounters();
+ /*
+ if ($) $(function () {
+ $container = $('#container');
+ var origChartWidth,
+ origChartHeight;
+ if ($container) {
+ $('<button>+</button>')
+ .insertBefore($container)
+ .click(function () {
+ if (origChartWidth === UNDEFINED) {
+ origChartWidth = chartWidth;
+ origChartHeight = chartHeight;
+ }
+ chart.resize(chartWidth *= 1.1, chartHeight *= 1.1);
+ });
+ $('<button>-</button>')
+ .insertBefore($container)
+ .click(function () {
+ if (origChartWidth === UNDEFINED) {
+ origChartWidth = chartWidth;
+ origChartHeight = chartHeight;
+ }
+ chart.resize(chartWidth *= 0.9, chartHeight *= 0.9);
+ });
+ $('<button>1:1</button>')
+ .insertBefore($container)
+ .click(function () {
+ if (origChartWidth === UNDEFINED) {
+ origChartWidth = chartWidth;
+ origChartHeight = chartHeight;
+ }
+ chart.resize(origChartWidth, origChartHeight);
+ });
+ }
+ })
+ */
+
+ chart.firstRender();
+ }
+}; // end Chart
+
+// Hook for exporting module
+Chart.prototype.callbacks = [];
+/**
+ * The Point object and prototype. Inheritable and used as base for PiePoint
+ */
+var Point = function () {};
+Point.prototype = {
+
+ /**
+ * Initialize the point
+ * @param {Object} series The series object containing this point
+ * @param {Object} options The data in either number, array or object format
+ */
+ init: function (series, options, x) {
+ var point = this,
+ counters = series.chart.counters,
+ defaultColors;
+ point.series = series;
+ point.applyOptions(options, x);
+ point.pointAttr = {};
+
+ if (series.options.colorByPoint) {
+ defaultColors = series.chart.options.colors;
+ if (!point.options) {
+ point.options = {};
+ }
+ point.color = point.options.color = point.color || defaultColors[counters.color++];
+
+ // loop back to zero
+ counters.wrapColor(defaultColors.length);
+ }
+
+ series.chart.pointCount++;
+ return point;
+ },
+ /**
+ * Apply the options containing the x and y data and possible some extra properties.
+ * This is called on point init or from point.update.
+ *
+ * @param {Object} options
+ */
+ applyOptions: function (options, x) {
+ var point = this,
+ series = point.series,
+ optionsType = typeof options;
+
+ point.config = options;
+
+ // onedimensional array input
+ if (optionsType === 'number' || options === null) {
+ point.y = options;
+ } else if (typeof options[0] === 'number') { // two-dimentional array
+ point.x = options[0];
+ point.y = options[1];
+ } else if (optionsType === 'object' && typeof options.length !== 'number') { // object input
+ // copy options directly to point
+ extend(point, options);
+ point.options = options;
+
+ // This is the fastest way to detect if there are individual point dataLabels that need
+ // to be considered in drawDataLabels. These can only occur in object configs.
+ if (options.dataLabels) {
+ series._hasPointLabels = true;
+ }
+ } else if (typeof options[0] === 'string') { // categorized data with name in first position
+ point.name = options[0];
+ point.y = options[1];
+ }
+
+ /*
+ * If no x is set by now, get auto incremented value. All points must have an
+ * x value, however the y value can be null to create a gap in the series
+ */
+ // todo: skip this? It is only used in applyOptions, in translate it should not be used
+ if (point.x === UNDEFINED) {
+ point.x = x === UNDEFINED ? series.autoIncrement() : x;
+ }
+
+
+
+ },
+
+ /**
+ * Destroy a point to clear memory. Its reference still stays in series.data.
+ */
+ destroy: function () {
+ var point = this,
+ series = point.series,
+ chart = series.chart,
+ hoverPoints = chart.hoverPoints,
+ prop;
+
+ chart.pointCount--;
+
+ if (hoverPoints) {
+ point.setState();
+ erase(hoverPoints, point);
+ if (!hoverPoints.length) {
+ chart.hoverPoints = null;
+ }
+
+ }
+ if (point === chart.hoverPoint) {
+ point.onMouseOut();
+ }
+
+ // remove all events
+ if (point.graphic || point.dataLabel) { // removeEvent and destroyElements are performance expensive
+ removeEvent(point);
+ point.destroyElements();
+ }
+
+ if (point.legendItem) { // pies have legend items
+ chart.legend.destroyItem(point);
+ }
+
+ for (prop in point) {
+ point[prop] = null;
+ }
+
+
+ },
+
+ /**
+ * Destroy SVG elements associated with the point
+ */
+ destroyElements: function () {
+ var point = this,
+ props = ['graphic', 'tracker', 'dataLabel', 'group', 'connector', 'shadowGroup'],
+ prop,
+ i = 6;
+ while (i--) {
+ prop = props[i];
+ if (point[prop]) {
+ point[prop] = point[prop].destroy();
+ }
+ }
+ },
+
+ /**
+ * Return the configuration hash needed for the data label and tooltip formatters
+ */
+ getLabelConfig: function () {
+ var point = this;
+ return {
+ x: point.category,
+ y: point.y,
+ key: point.name || point.category,
+ series: point.series,
+ point: point,
+ percentage: point.percentage,
+ total: point.total || point.stackTotal
+ };
+ },
+
+ /**
+ * Toggle the selection status of a point
+ * @param {Boolean} selected Whether to select or unselect the point.
+ * @param {Boolean} accumulate Whether to add to the previous selection. By default,
+ * this happens if the control key (Cmd on Mac) was pressed during clicking.
+ */
+ select: function (selected, accumulate) {
+ var point = this,
+ series = point.series,
+ chart = series.chart;
+
+ selected = pick(selected, !point.selected);
+
+ // fire the event with the defalut handler
+ point.firePointEvent(selected ? 'select' : 'unselect', { accumulate: accumulate }, function () {
+ point.selected = selected;
+ point.setState(selected && SELECT_STATE);
+
+ // unselect all other points unless Ctrl or Cmd + click
+ if (!accumulate) {
+ each(chart.getSelectedPoints(), function (loopPoint) {
+ if (loopPoint.selected && loopPoint !== point) {
+ loopPoint.selected = false;
+ loopPoint.setState(NORMAL_STATE);
+ loopPoint.firePointEvent('unselect');
+ }
+ });
+ }
+ });
+ },
+
+ onMouseOver: function () {
+ var point = this,
+ series = point.series,
+ chart = series.chart,
+ tooltip = chart.tooltip,
+ hoverPoint = chart.hoverPoint;
+
+ // set normal state to previous series
+ if (hoverPoint && hoverPoint !== point) {
+ hoverPoint.onMouseOut();
+ }
+
+ // trigger the event
+ point.firePointEvent('mouseOver');
+
+ // update the tooltip
+ if (tooltip && (!tooltip.shared || series.noSharedTooltip)) {
+ tooltip.refresh(point);
+ }
+
+ // hover this
+ point.setState(HOVER_STATE);
+ chart.hoverPoint = point;
+ },
+
+ onMouseOut: function () {
+ var point = this;
+ point.firePointEvent('mouseOut');
+
+ point.setState();
+ point.series.chart.hoverPoint = null;
+ },
+
+ /**
+ * Extendable method for formatting each point's tooltip line
+ *
+ * @return {String} A string to be concatenated in to the common tooltip text
+ */
+ tooltipFormatter: function (pointFormat) {
+ var point = this,
+ series = point.series,
+ seriesTooltipOptions = series.tooltipOptions,
+ match = pointFormat.match(/\{(series|point)\.[a-zA-Z]+\}/g),
+ splitter = /[{\.}]/,
+ obj,
+ key,
+ replacement,
+ repOptionKey,
+ parts,
+ prop,
+ i,
+ cfg = { // docs: percentageDecimals, percentagePrefix, percentageSuffix, totalDecimals, totalPrefix, totalSuffix
+ y: 0, // 0: use 'value' for repOptionKey
+ open: 0,
+ high: 0,
+ low: 0,
+ close: 0,
+ percentage: 1, // 1: use the self name for repOptionKey
+ total: 1
+ };
+
+ // Backwards compatibility to y naming in early Highstock
+ seriesTooltipOptions.valuePrefix = seriesTooltipOptions.valuePrefix || seriesTooltipOptions.yPrefix;
+ seriesTooltipOptions.valueDecimals = seriesTooltipOptions.valueDecimals || seriesTooltipOptions.yDecimals;
+ seriesTooltipOptions.valueSuffix = seriesTooltipOptions.valueSuffix || seriesTooltipOptions.ySuffix;
+
+ // loop over the variables defined on the form {series.name}, {point.y} etc
+ for (i in match) {
+ key = match[i];
+ if (isString(key) && key !== pointFormat) { // IE matches more than just the variables
+
+ // Split it further into parts
+ parts = (' ' + key).split(splitter); // add empty string because IE and the rest handles it differently
+ obj = { 'point': point, 'series': series }[parts[1]];
+ prop = parts[2];
+
+ // Add some preformatting
+ if (obj === point && cfg.hasOwnProperty(prop)) {
+ repOptionKey = cfg[prop] ? prop : 'value';
+ replacement = (seriesTooltipOptions[repOptionKey + 'Prefix'] || '') +
+ numberFormat(point[prop], pick(seriesTooltipOptions[repOptionKey + 'Decimals'], -1)) +
+ (seriesTooltipOptions[repOptionKey + 'Suffix'] || '');
+
+ // Automatic replacement
+ } else {
+ replacement = obj[prop];
+ }
+
+ pointFormat = pointFormat.replace(key, replacement);
+ }
+ }
+
+ return pointFormat;
+ },
+
+ /**
+ * Update the point with new options (typically x/y data) and optionally redraw the series.
+ *
+ * @param {Object} options Point options as defined in the series.data array
+ * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
+ * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
+ * configuration
+ *
+ */
+ update: function (options, redraw, animation) {
+ var point = this,
+ series = point.series,
+ graphic = point.graphic,
+ i,
+ data = series.data,
+ dataLength = data.length,
+ chart = series.chart;
+
+ redraw = pick(redraw, true);
+
+ // fire the event with a default handler of doing the update
+ point.firePointEvent('update', { options: options }, function () {
+
+ point.applyOptions(options);
+
+ // update visuals
+ if (isObject(options)) {
+ series.getAttribs();
+ if (graphic) {
+ graphic.attr(point.pointAttr[series.state]);
+ }
+ }
+
+ // record changes in the parallel arrays
+ for (i = 0; i < dataLength; i++) {
+ if (data[i] === point) {
+ series.xData[i] = point.x;
+ series.yData[i] = point.y;
+ series.options.data[i] = options;
+ break;
+ }
+ }
+
+ // redraw
+ series.isDirty = true;
+ series.isDirtyData = true;
+ if (redraw) {
+ chart.redraw(animation);
+ }
+ });
+ },
+
+ /**
+ * Remove a point and optionally redraw the series and if necessary the axes
+ * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
+ * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
+ * configuration
+ */
+ remove: function (redraw, animation) {
+ var point = this,
+ series = point.series,
+ chart = series.chart,
+ i,
+ data = series.data,
+ dataLength = data.length;
+
+ setAnimation(animation, chart);
+ redraw = pick(redraw, true);
+
+ // fire the event with a default handler of removing the point
+ point.firePointEvent('remove', null, function () {
+
+ //erase(series.data, point);
+
+ for (i = 0; i < dataLength; i++) {
+ if (data[i] === point) {
+
+ // splice all the parallel arrays
+ data.splice(i, 1);
+ series.options.data.splice(i, 1);
+ series.xData.splice(i, 1);
+ series.yData.splice(i, 1);
+ break;
+ }
+ }
+
+ point.destroy();
+
+
+ // redraw
+ series.isDirty = true;
+ series.isDirtyData = true;
+ if (redraw) {
+ chart.redraw();
+ }
+ });
+
+
+ },
+
+ /**
+ * Fire an event on the Point object. Must not be renamed to fireEvent, as this
+ * causes a name clash in MooTools
+ * @param {String} eventType
+ * @param {Object} eventArgs Additional event arguments
+ * @param {Function} defaultFunction Default event handler
+ */
+ firePointEvent: function (eventType, eventArgs, defaultFunction) {
+ var point = this,
+ series = this.series,
+ seriesOptions = series.options;
+
+ // load event handlers on demand to save time on mouseover/out
+ if (seriesOptions.point.events[eventType] || (point.options && point.options.events && point.options.events[eventType])) {
+ this.importEvents();
+ }
+
+ // add default handler if in selection mode
+ if (eventType === 'click' && seriesOptions.allowPointSelect) {
+ defaultFunction = function (event) {
+ // Control key is for Windows, meta (= Cmd key) for Mac, Shift for Opera
+ point.select(null, event.ctrlKey || event.metaKey || event.shiftKey);
+ };
+ }
+
+ fireEvent(this, eventType, eventArgs, defaultFunction);
+ },
+ /**
+ * Import events from the series' and point's options. Only do it on
+ * demand, to save processing time on hovering.
+ */
+ importEvents: function () {
+ if (!this.hasImportedEvents) {
+ var point = this,
+ options = merge(point.series.options.point, point.options),
+ events = options.events,
+ eventType;
+
+ point.events = events;
+
+ for (eventType in events) {
+ addEvent(point, eventType, events[eventType]);
+ }
+ this.hasImportedEvents = true;
+
+ }
+ },
+
+ /**
+ * Set the point's state
+ * @param {String} state
+ */
+ setState: function (state) {
+ var point = this,
+ plotX = point.plotX,
+ plotY = point.plotY,
+ series = point.series,
+ stateOptions = series.options.states,
+ markerOptions = defaultPlotOptions[series.type].marker && series.options.marker,
+ normalDisabled = markerOptions && !markerOptions.enabled,
+ markerStateOptions = markerOptions && markerOptions.states[state],
+ stateDisabled = markerStateOptions && markerStateOptions.enabled === false,
+ stateMarkerGraphic = series.stateMarkerGraphic,
+ chart = series.chart,
+ radius,
+ pointAttr = point.pointAttr;
+
+ state = state || NORMAL_STATE; // empty string
+
+ if (
+ // already has this state
+ state === point.state ||
+ // selected points don't respond to hover
+ (point.selected && state !== SELECT_STATE) ||
+ // series' state options is disabled
+ (stateOptions[state] && stateOptions[state].enabled === false) ||
+ // point marker's state options is disabled
+ (state && (stateDisabled || (normalDisabled && !markerStateOptions.enabled)))
+
+ ) {
+ return;
+ }
+
+ // apply hover styles to the existing point
+ if (point.graphic) {
+ radius = markerOptions && point.graphic.symbolName && pointAttr[state].r;
+ point.graphic.attr(merge(
+ pointAttr[state],
+ radius ? { // new symbol attributes (#507, #612)
+ x: plotX - radius,
+ y: plotY - radius,
+ width: 2 * radius,
+ height: 2 * radius
+ } : {}
+ ));
+ } else {
+ // if a graphic is not applied to each point in the normal state, create a shared
+ // graphic for the hover state
+ if (state && markerStateOptions) {
+ if (!stateMarkerGraphic) {
+ radius = markerStateOptions.radius;
+ series.stateMarkerGraphic = stateMarkerGraphic = chart.renderer.symbol(
+ series.symbol,
+ -radius,
+ -radius,
+ 2 * radius,
+ 2 * radius
+ )
+ .attr(pointAttr[state])
+ .add(series.group);
+ }
+
+ stateMarkerGraphic.translate(
+ plotX,
+ plotY
+ );
+ }
+
+ if (stateMarkerGraphic) {
+ stateMarkerGraphic[state ? 'show' : 'hide']();
+ }
+ }
+
+ point.state = state;
+ }
+};
+
+/**
+ * @classDescription The base function which all other series types inherit from. The data in the series is stored
+ * in various arrays.
+ *
+ * - First, series.options.data contains all the original config options for
+ * each point whether added by options or methods like series.addPoint.
+ * - Next, series.data contains those values converted to points, but in case the series data length
+ * exceeds the cropThreshold, or if the data is grouped, series.data doesn't contain all the points. It
+ * only contains the points that have been created on demand.
+ * - Then there's series.points that contains all currently visible point objects. In case of cropping,
+ * the cropped-away points are not part of this array. The series.points array starts at series.cropStart
+ * compared to series.data and series.options.data. If however the series data is grouped, these can't
+ * be correlated one to one.
+ * - series.xData and series.processedXData contain clean x values, equivalent to series.data and series.points.
+ * - series.yData and series.processedYData contain clean x values, equivalent to series.data and series.points.
+ *
+ * @param {Object} chart
+ * @param {Object} options
+ */
+var Series = function () {};
+
+Series.prototype = {
+
+ isCartesian: true,
+ type: 'line',
+ pointClass: Point,
+ sorted: true, // requires the data to be sorted
+ pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
+ stroke: 'lineColor',
+ 'stroke-width': 'lineWidth',
+ fill: 'fillColor',
+ r: 'radius'
+ },
+ init: function (chart, options) {
+ var series = this,
+ eventType,
+ events,
+ //pointEvent,
+ index = chart.series.length;
+
+ series.chart = chart;
+ series.options = options = series.setOptions(options); // merge with plotOptions
+
+ // bind the axes
+ series.bindAxes();
+
+ // set some variables
+ extend(series, {
+ index: index,
+ name: options.name || 'Series ' + (index + 1),
+ state: NORMAL_STATE,
+ pointAttr: {},
+ visible: options.visible !== false, // true by default
+ selected: options.selected === true // false by default
+ });
+
+ // special
+ if (useCanVG) {
+ options.animation = false;
+ }
+
+ // register event listeners
+ events = options.events;
+ for (eventType in events) {
+ addEvent(series, eventType, events[eventType]);
+ }
+ if (
+ (events && events.click) ||
+ (options.point && options.point.events && options.point.events.click) ||
+ options.allowPointSelect
+ ) {
+ chart.runTrackerClick = true;
+ }
+
+ series.getColor();
+ series.getSymbol();
+
+ // set the data
+ series.setData(options.data, false);
+
+ // Mark cartesian
+ if (series.isCartesian) {
+ chart.hasCartesianSeries = true;
+ }
+
+ // Register it in the chart
+ chart.series.push(series);
+ },
+
+ /**
+ * Set the xAxis and yAxis properties of cartesian series, and register the series
+ * in the axis.series array
+ */
+ bindAxes: function () {
+ var series = this,
+ seriesOptions = series.options,
+ chart = series.chart,
+ axisOptions;
+
+ if (series.isCartesian) {
+
+ each(['xAxis', 'yAxis'], function (AXIS) { // repeat for xAxis and yAxis
+
+ each(chart[AXIS], function (axis) { // loop through the chart's axis objects
+
+ axisOptions = axis.options;
+
+ // apply if the series xAxis or yAxis option mathches the number of the
+ // axis, or if undefined, use the first axis
+ if ((seriesOptions[AXIS] === axisOptions.index) ||
+ (seriesOptions[AXIS] === UNDEFINED && axisOptions.index === 0)) {
+
+ // register this series in the axis.series lookup
+ axis.series.push(series);
+
+ // set this series.xAxis or series.yAxis reference
+ series[AXIS] = axis;
+
+ // mark dirty for redraw
+ axis.isDirty = true;
+ }
+ });
+
+ });
+ }
+ },
+
+
+ /**
+ * Return an auto incremented x value based on the pointStart and pointInterval options.
+ * This is only used if an x value is not given for the point that calls autoIncrement.
+ */
+ autoIncrement: function () {
+ var series = this,
+ options = series.options,
+ xIncrement = series.xIncrement;
+
+ xIncrement = pick(xIncrement, options.pointStart, 0);
+
+ series.pointInterval = pick(series.pointInterval, options.pointInterval, 1);
+
+ series.xIncrement = xIncrement + series.pointInterval;
+ return xIncrement;
+ },
+
+ /**
+ * Divide the series data into segments divided by null values.
+ */
+ getSegments: function () {
+ var series = this,
+ lastNull = -1,
+ segments = [],
+ i,
+ points = series.points,
+ pointsLength = points.length;
+
+ if (pointsLength) { // no action required for []
+
+ // if connect nulls, just remove null points
+ if (series.options.connectNulls) {
+ i = pointsLength;
+ while (i--) {
+ if (points[i].y === null) {
+ points.splice(i, 1);
+ }
+ }
+ if (points.length) {
+ segments = [points];
+ }
+
+ // else, split on null points
+ } else {
+ each(points, function (point, i) {
+ if (point.y === null) {
+ if (i > lastNull + 1) {
+ segments.push(points.slice(lastNull + 1, i));
+ }
+ lastNull = i;
+ } else if (i === pointsLength - 1) { // last value
+ segments.push(points.slice(lastNull + 1, i + 1));
+ }
+ });
+ }
+ }
+
+ // register it
+ series.segments = segments;
+ },
+ /**
+ * Set the series options by merging from the options tree
+ * @param {Object} itemOptions
+ */
+ setOptions: function (itemOptions) {
+ var series = this,
+ chart = series.chart,
+ chartOptions = chart.options,
+ plotOptions = chartOptions.plotOptions,
+ data = itemOptions.data,
+ options;
+
+ itemOptions.data = null; // remove from merge to prevent looping over the data set
+
+ options = merge(
+ plotOptions[this.type],
+ plotOptions.series,
+ itemOptions
+ );
+
+ // Re-insert the data array to the options and the original config (#717)
+ options.data = itemOptions.data = data;
+
+ // the tooltip options are merged between global and series specific options
+ series.tooltipOptions = merge(chartOptions.tooltip, options.tooltip);
+
+ return options;
+
+ },
+ /**
+ * Get the series' color
+ */
+ getColor: function () {
+ var options = this.options,
+ defaultColors = this.chart.options.colors,
+ counters = this.chart.counters;
+ this.color = options.color ||
+ (!options.colorByPoint && defaultColors[counters.color++]) || 'gray';
+ counters.wrapColor(defaultColors.length);
+ },
+ /**
+ * Get the series' symbol
+ */
+ getSymbol: function () {
+ var series = this,
+ seriesMarkerOption = series.options.marker,
+ chart = series.chart,
+ defaultSymbols = chart.options.symbols,
+ counters = chart.counters;
+ series.symbol = seriesMarkerOption.symbol || defaultSymbols[counters.symbol++];
+
+ // don't substract radius in image symbols (#604)
+ if (/^url/.test(series.symbol)) {
+ seriesMarkerOption.radius = 0;
+ }
+ counters.wrapSymbol(defaultSymbols.length);
+ },
+
+ /**
+ * Get the series' symbol in the legend. This method should be overridable to create custom
+ * symbols through Highcharts.seriesTypes[type].prototype.drawLegendSymbols.
+ *
+ * @param {Object} legend The legend object
+ */
+ drawLegendSymbol: function (legend) {
+
+ var options = this.options,
+ markerOptions = options.marker,
+ radius,
+ legendOptions = legend.options,
+ legendSymbol,
+ symbolWidth = legendOptions.symbolWidth,
+ renderer = this.chart.renderer,
+ legendItemGroup = this.legendGroup,
+ baseline = legend.baseline,
+ attr;
+
+ // Draw the line
+ if (options.lineWidth) {
+ attr = {
+ 'stroke-width': options.lineWidth
+ };
+ if (options.dashStyle) {
+ attr.dashstyle = options.dashStyle;
+ }
+ this.legendLine = renderer.path([
+ M,
+ 0,
+ baseline - 4,
+ L,
+ symbolWidth,
+ baseline - 4
+ ])
+ .attr(attr)
+ .add(legendItemGroup);
+ }
+
+ // Draw the marker
+ if (markerOptions && markerOptions.enabled) {
+ radius = markerOptions.radius;
+ this.legendSymbol = legendSymbol = renderer.symbol(
+ this.symbol,
+ (symbolWidth / 2) - radius,
+ baseline - 4 - radius,
+ 2 * radius,
+ 2 * radius
+ )
+ .attr(this.pointAttr[NORMAL_STATE])
+ .add(legendItemGroup);
+ }
+ },
+
+ /**
+ * Add a point dynamically after chart load time
+ * @param {Object} options Point options as given in series.data
+ * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
+ * @param {Boolean} shift If shift is true, a point is shifted off the start
+ * of the series as one is appended to the end.
+ * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
+ * configuration
+ */
+ addPoint: function (options, redraw, shift, animation) {
+ var series = this,
+ data = series.data,
+ graph = series.graph,
+ area = series.area,
+ chart = series.chart,
+ xData = series.xData,
+ yData = series.yData,
+ currentShift = (graph && graph.shift) || 0,
+ dataOptions = series.options.data,
+ point;
+ //point = (new series.pointClass()).init(series, options);
+
+ setAnimation(animation, chart);
+
+ // Make graph animate sideways
+ if (graph && shift) {
+ graph.shift = currentShift + 1;
+ }
+ if (area) {
+ if (shift) { // #780
+ area.shift = currentShift + 1;
+ }
+ area.isArea = true; // needed in animation, both with and without shift
+ }
+
+ // Optional redraw, defaults to true
+ redraw = pick(redraw, true);
+
+ // Get options and push the point to xData, yData and series.options. In series.generatePoints
+ // the Point instance will be created on demand and pushed to the series.data array.
+ point = { series: series };
+ series.pointClass.prototype.applyOptions.apply(point, [options]);
+ xData.push(point.x);
+ yData.push(series.valueCount === 4 ? [point.open, point.high, point.low, point.close] : point.y);
+ dataOptions.push(options);
+
+
+ // Shift the first point off the parallel arrays
+ // todo: consider series.removePoint(i) method
+ if (shift) {
+ if (data[0] && data[0].remove) {
+ data[0].remove(false);
+ } else {
+ data.shift();
+ xData.shift();
+ yData.shift();
+ dataOptions.shift();
+ }
+ }
+ series.getAttribs();
+
+ // redraw
+ series.isDirty = true;
+ series.isDirtyData = true;
+ if (redraw) {
+ chart.redraw();
+ }
+ },
+
+ /**
+ * Replace the series data with a new set of data
+ * @param {Object} data
+ * @param {Object} redraw
+ */
+ setData: function (data, redraw) {
+ var series = this,
+ oldData = series.points,
+ options = series.options,
+ initialColor = series.initialColor,
+ chart = series.chart,
+ firstPoint = null,
+ xAxis = series.xAxis,
+ i,
+ pointProto = series.pointClass.prototype;
+
+ // reset properties
+ series.xIncrement = null;
+ series.pointRange = (xAxis && xAxis.categories && 1) || options.pointRange;
+
+ if (defined(initialColor)) { // reset colors for pie
+ chart.counters.color = initialColor;
+ }
+
+ // parallel arrays
+ var xData = [],
+ yData = [],
+ dataLength = data ? data.length : [],
+ turboThreshold = options.turboThreshold || 1000,
+ pt,
+ valueCount = series.valueCount;
+
+ // In turbo mode, only one- or twodimensional arrays of numbers are allowed. The
+ // first value is tested, and we assume that all the rest are defined the same
+ // way. Although the 'for' loops are similar, they are repeated inside each
+ // if-else conditional for max performance.
+ if (dataLength > turboThreshold) {
+
+ // find the first non-null point
+ i = 0;
+ while (firstPoint === null && i < dataLength) {
+ firstPoint = data[i];
+ i++;
+ }
+
+
+ if (isNumber(firstPoint)) { // assume all points are numbers
+ var x = pick(options.pointStart, 0),
+ pointInterval = pick(options.pointInterval, 1);
+
+ for (i = 0; i < dataLength; i++) {
+ xData[i] = x;
+ yData[i] = data[i];
+ x += pointInterval;
+ }
+ series.xIncrement = x;
+ } else if (isArray(firstPoint)) { // assume all points are arrays
+ if (valueCount) { // [x, low, high] or [x, o, h, l, c]
+ for (i = 0; i < dataLength; i++) {
+ pt = data[i];
+ xData[i] = pt[0];
+ yData[i] = pt.slice(1, valueCount + 1);
+ }
+ } else { // [x, y]
+ for (i = 0; i < dataLength; i++) {
+ pt = data[i];
+ xData[i] = pt[0];
+ yData[i] = pt[1];
+ }
+ }
+ } /* else {
+ error(12); // Highcharts expects configs to be numbers or arrays in turbo mode
+ }*/
+ } else {
+ for (i = 0; i < dataLength; i++) {
+ pt = { series: series };
+ pointProto.applyOptions.apply(pt, [data[i]]);
+ xData[i] = pt.x;
+ yData[i] = pointProto.toYData ? pointProto.toYData.apply(pt) : pt.y;
+ }
+ }
+
+ series.data = [];
+ series.options.data = data;
+ series.xData = xData;
+ series.yData = yData;
+
+ // destroy old points
+ i = (oldData && oldData.length) || 0;
+ while (i--) {
+ if (oldData[i] && oldData[i].destroy) {
+ oldData[i].destroy();
+ }
+ }
+
+ // reset minRange (#878)
+ if (xAxis) {
+ xAxis.minRange = xAxis.userMinRange;
+ }
+
+ // redraw
+ series.isDirty = series.isDirtyData = chart.isDirtyBox = true;
+ if (pick(redraw, true)) {
+ chart.redraw(false);
+ }
+ },
+
+ /**
+ * Remove a series and optionally redraw the chart
+ *
+ * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
+ * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
+ * configuration
+ */
+
+ remove: function (redraw, animation) {
+ var series = this,
+ chart = series.chart;
+ redraw = pick(redraw, true);
+
+ if (!series.isRemoving) { /* prevent triggering native event in jQuery
+ (calling the remove function from the remove event) */
+ series.isRemoving = true;
+
+ // fire the event with a default handler of removing the point
+ fireEvent(series, 'remove', null, function () {
+
+
+ // destroy elements
+ series.destroy();
+
+
+ // redraw
+ chart.isDirtyLegend = chart.isDirtyBox = true;
+ if (redraw) {
+ chart.redraw(animation);
+ }
+ });
+
+ }
+ series.isRemoving = false;
+ },
+
+ /**
+ * Process the data by cropping away unused data points if the series is longer
+ * than the crop threshold. This saves computing time for lage series.
+ */
+ processData: function (force) {
+ var series = this,
+ processedXData = series.xData, // copied during slice operation below
+ processedYData = series.yData,
+ dataLength = processedXData.length,
+ cropStart = 0,
+ cropEnd = dataLength,
+ cropped,
+ distance,
+ closestPointRange,
+ xAxis = series.xAxis,
+ i, // loop variable
+ options = series.options,
+ cropThreshold = options.cropThreshold,
+ isCartesian = series.isCartesian;
+
+ // If the series data or axes haven't changed, don't go through this. Return false to pass
+ // the message on to override methods like in data grouping.
+ if (isCartesian && !series.isDirty && !xAxis.isDirty && !series.yAxis.isDirty && !force) {
+ return false;
+ }
+
+ // optionally filter out points outside the plot area
+ if (isCartesian && series.sorted && (!cropThreshold || dataLength > cropThreshold || series.forceCrop)) {
+ var extremes = xAxis.getExtremes(),
+ min = extremes.min,
+ max = extremes.max;
+
+ // it's outside current extremes
+ if (processedXData[dataLength - 1] < min || processedXData[0] > max) {
+ processedXData = [];
+ processedYData = [];
+
+ // only crop if it's actually spilling out
+ } else if (processedXData[0] < min || processedXData[dataLength - 1] > max) {
+
+ // iterate up to find slice start
+ for (i = 0; i < dataLength; i++) {
+ if (processedXData[i] >= min) {
+ cropStart = mathMax(0, i - 1);
+ break;
+ }
+ }
+ // proceed to find slice end
+ for (; i < dataLength; i++) {
+ if (processedXData[i] > max) {
+ cropEnd = i + 1;
+ break;
+ }
+
+ }
+ processedXData = processedXData.slice(cropStart, cropEnd);
+ processedYData = processedYData.slice(cropStart, cropEnd);
+ cropped = true;
+ }
+ }
+
+
+ // Find the closest distance between processed points
+ for (i = processedXData.length - 1; i > 0; i--) {
+ distance = processedXData[i] - processedXData[i - 1];
+ if (distance > 0 && (closestPointRange === UNDEFINED || distance < closestPointRange)) {
+ closestPointRange = distance;
+ }
+ }
+
+ // Record the properties
+ series.cropped = cropped; // undefined or true
+ series.cropStart = cropStart;
+ series.processedXData = processedXData;
+ series.processedYData = processedYData;
+
+ if (options.pointRange === null) { // null means auto, as for columns, candlesticks and OHLC
+ series.pointRange = closestPointRange || 1;
+ }
+ series.closestPointRange = closestPointRange;
+
+ },
+
+ /**
+ * Generate the data point after the data has been processed by cropping away
+ * unused points and optionally grouped in Highcharts Stock.
+ */
+ generatePoints: function () {
+ var series = this,
+ options = series.options,
+ dataOptions = options.data,
+ data = series.data,
+ dataLength,
+ processedXData = series.processedXData,
+ processedYData = series.processedYData,
+ pointClass = series.pointClass,
+ processedDataLength = processedXData.length,
+ cropStart = series.cropStart || 0,
+ cursor,
+ hasGroupedData = series.hasGroupedData,
+ point,
+ points = [],
+ i;
+
+ if (!data && !hasGroupedData) {
+ var arr = [];
+ arr.length = dataOptions.length;
+ data = series.data = arr;
+ }
+
+ for (i = 0; i < processedDataLength; i++) {
+ cursor = cropStart + i;
+ if (!hasGroupedData) {
+ if (data[cursor]) {
+ point = data[cursor];
+ } else if (dataOptions[cursor] !== UNDEFINED) { // #970
+ data[cursor] = point = (new pointClass()).init(series, dataOptions[cursor], processedXData[i]);
+ }
+ points[i] = point;
+ } else {
+ // splat the y data in case of ohlc data array
+ points[i] = (new pointClass()).init(series, [processedXData[i]].concat(splat(processedYData[i])));
+ }
+ }
+
+ // Hide cropped-away points - this only runs when the number of points is above cropThreshold, or when
+ // swithching view from non-grouped data to grouped data (#637)
+ if (data && (processedDataLength !== (dataLength = data.length) || hasGroupedData)) {
+ for (i = 0; i < dataLength; i++) {
+ if (i === cropStart && !hasGroupedData) { // when has grouped data, clear all points
+ i += processedDataLength;
+ }
+ if (data[i]) {
+ data[i].destroyElements();
+ data[i].plotX = UNDEFINED; // #1003
+ }
+ }
+ }
+
+ series.data = data;
+ series.points = points;
+ },
+
+ /**
+ * Translate data points from raw data values to chart specific positioning data
+ * needed later in drawPoints, drawGraph and drawTracker.
+ */
+ translate: function () {
+ if (!this.processedXData) { // hidden series
+ this.processData();
+ }
+ this.generatePoints();
+ var series = this,
+ chart = series.chart,
+ options = series.options,
+ stacking = options.stacking,
+ xAxis = series.xAxis,
+ categories = xAxis.categories,
+ yAxis = series.yAxis,
+ points = series.points,
+ dataLength = points.length,
+ hasModifyValue = !!series.modifyValue,
+ isLastSeries,
+ allStackSeries = yAxis.series,
+ i = allStackSeries.length;
+
+ // Is it the last visible series?
+ while (i--) {
+ if (allStackSeries[i].visible) {
+ if (i === series.index) {
+ isLastSeries = true;
+ }
+ break;
+ }
+ }
+
+ // Translate each point
+ for (i = 0; i < dataLength; i++) {
+ var point = points[i],
+ xValue = point.x,
+ yValue = point.y,
+ yBottom = point.low,
+ stack = yAxis.stacks[(yValue < options.threshold ? '-' : '') + series.stackKey],
+ pointStack,
+ pointStackTotal;
+
+ // get the plotX translation
+ //point.plotX = mathRound(xAxis.translate(xValue, 0, 0, 0, 1) * 10) / 10; // Math.round fixes #591
+ point.plotX = xAxis.translate(xValue, 0, 0, 0, 1); // Math.round fixes #591
+
+ // calculate the bottom y value for stacked series
+ if (stacking && series.visible && stack && stack[xValue]) {
+ pointStack = stack[xValue];
+ pointStackTotal = pointStack.total;
+ pointStack.cum = yBottom = pointStack.cum - yValue; // start from top
+ yValue = yBottom + yValue;
+
+ if (isLastSeries) {
+ yBottom = options.threshold;
+ }
+
+ if (stacking === 'percent') {
+ yBottom = pointStackTotal ? yBottom * 100 / pointStackTotal : 0;
+ yValue = pointStackTotal ? yValue * 100 / pointStackTotal : 0;
+ }
+
+ point.percentage = pointStackTotal ? point.y * 100 / pointStackTotal : 0;
+ point.stackTotal = pointStackTotal;
+ point.stackY = yValue;
+ }
+
+ // Set translated yBottom or remove it
+ point.yBottom = defined(yBottom) ?
+ yAxis.translate(yBottom, 0, 1, 0, 1) :
+ null;
+
+ // general hook, used for Highstock compare mode
+ if (hasModifyValue) {
+ yValue = series.modifyValue(yValue, point);
+ }
+
+ // Set the the plotY value, reset it for redraws
+ point.plotY = (typeof yValue === 'number') ?
+ mathRound(yAxis.translate(yValue, 0, 1, 0, 1) * 10) / 10 : // Math.round fixes #591
+ UNDEFINED;
+
+ // set client related positions for mouse tracking
+ point.clientX = chart.inverted ?
+ chart.plotHeight - point.plotX :
+ point.plotX; // for mouse tracking
+
+ // some API data
+ point.category = categories && categories[point.x] !== UNDEFINED ?
+ categories[point.x] : point.x;
+
+
+ }
+
+ // now that we have the cropped data, build the segments
+ series.getSegments();
+ },
+ /**
+ * Memoize tooltip texts and positions
+ */
+ setTooltipPoints: function (renew) {
+ var series = this,
+ chart = series.chart,
+ points = [],
+ pointsLength,
+ plotSize = chart.plotSizeX,
+ low,
+ high,
+ xAxis = series.xAxis,
+ point,
+ i,
+ tooltipPoints = []; // a lookup array for each pixel in the x dimension
+
+ // don't waste resources if tracker is disabled
+ if (series.options.enableMouseTracking === false) {
+ return;
+ }
+
+ // renew
+ if (renew) {
+ series.tooltipPoints = null;
+ }
+
+ // concat segments to overcome null values
+ each(series.segments || series.points, function (segment) {
+ points = points.concat(segment);
+ });
+
+ // loop the concatenated points and apply each point to all the closest
+ // pixel positions
+ if (xAxis && xAxis.reversed) {
+ points = points.reverse();
+ }
+
+ // Assign each pixel position to the nearest point
+ pointsLength = points.length;
+ for (i = 0; i < pointsLength; i++) {
+ point = points[i];
+ low = points[i - 1] ? points[i - 1]._high + 1 : 0;
+ point._high = high = points[i + 1] ?
+ mathMax(0, mathFloor((point.plotX + (points[i + 1] ? points[i + 1].plotX : plotSize)) / 2)) :
+ plotSize;
+
+ while (low >= 0 && low <= high) {
+ tooltipPoints[low++] = point;
+ }
+ }
+ series.tooltipPoints = tooltipPoints;
+ },
+
+ /**
+ * Format the header of the tooltip
+ */
+ tooltipHeaderFormatter: function (key) {
+ var series = this,
+ tooltipOptions = series.tooltipOptions,
+ xDateFormat = tooltipOptions.xDateFormat,
+ xAxis = series.xAxis,
+ isDateTime = xAxis && xAxis.options.type === 'datetime',
+ n;
+
+ // Guess the best date format based on the closest point distance (#568)
+ if (isDateTime && !xDateFormat) {
+ for (n in timeUnits) {
+ if (timeUnits[n] >= xAxis.closestPointRange) {
+ xDateFormat = tooltipOptions.dateTimeLabelFormats[n];
+ break;
+ }
+ }
+ }
+
+ return tooltipOptions.headerFormat
+ .replace('{point.key}', isDateTime ? dateFormat(xDateFormat, key) : key)
+ .replace('{series.name}', series.name)
+ .replace('{series.color}', series.color);
+ },
+
+ /**
+ * Series mouse over handler
+ */
+ onMouseOver: function () {
+ var series = this,
+ chart = series.chart,
+ hoverSeries = chart.hoverSeries;
+
+ if (!hasTouch && chart.mouseIsDown) {
+ return;
+ }
+
+ // set normal state to previous series
+ if (hoverSeries && hoverSeries !== series) {
+ hoverSeries.onMouseOut();
+ }
+
+ // trigger the event, but to save processing time,
+ // only if defined
+ if (series.options.events.mouseOver) {
+ fireEvent(series, 'mouseOver');
+ }
+
+ // hover this
+ series.setState(HOVER_STATE);
+ chart.hoverSeries = series;
+ },
+
+ /**
+ * Series mouse out handler
+ */
+ onMouseOut: function () {
+ // trigger the event only if listeners exist
+ var series = this,
+ options = series.options,
+ chart = series.chart,
+ tooltip = chart.tooltip,
+ hoverPoint = chart.hoverPoint;
+
+ // trigger mouse out on the point, which must be in this series
+ if (hoverPoint) {
+ hoverPoint.onMouseOut();
+ }
+
+ // fire the mouse out event
+ if (series && options.events.mouseOut) {
+ fireEvent(series, 'mouseOut');
+ }
+
+
+ // hide the tooltip
+ if (tooltip && !options.stickyTracking && !tooltip.shared) {
+ tooltip.hide();
+ }
+
+ // set normal state
+ series.setState();
+ chart.hoverSeries = null;
+ },
+
+ /**
+ * Animate in the series
+ */
+ animate: function (init) {
+ var series = this,
+ chart = series.chart,
+ clipRect = series.clipRect,
+ animation = series.options.animation;
+
+ if (animation && !isObject(animation)) {
+ animation = {};
+ }
+
+ if (init) { // initialize the animation
+ if (!clipRect.isAnimating) { // apply it only for one of the series
+ clipRect.attr('width', 0);
+ clipRect.isAnimating = true;
+ }
+
+ } else { // run the animation
+ clipRect.animate({
+ width: chart.plotSizeX
+ }, animation);
+
+ // delete this function to allow it only once
+ this.animate = null;
+ }
+ },
+
+
+ /**
+ * Draw the markers
+ */
+ drawPoints: function () {
+ var series = this,
+ pointAttr,
+ points = series.points,
+ chart = series.chart,
+ plotX,
+ plotY,
+ i,
+ point,
+ radius,
+ symbol,
+ isImage,
+ graphic;
+
+ if (series.options.marker.enabled) {
+ i = points.length;
+ while (i--) {
+ point = points[i];
+ plotX = point.plotX;
+ plotY = point.plotY;
+ graphic = point.graphic;
+
+ // only draw the point if y is defined
+ if (plotY !== UNDEFINED && !isNaN(plotY)) {
+
+ // shortcuts
+ pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE];
+ radius = pointAttr.r;
+ symbol = pick(point.marker && point.marker.symbol, series.symbol);
+ isImage = symbol.indexOf('url') === 0;
+
+ if (graphic) { // update
+ graphic.animate(extend({
+ x: plotX - radius,
+ y: plotY - radius
+ }, graphic.symbolName ? { // don't apply to image symbols #507
+ width: 2 * radius,
+ height: 2 * radius
+ } : {}));
+ } else if (radius > 0 || isImage) {
+ point.graphic = chart.renderer.symbol(
+ symbol,
+ plotX - radius,
+ plotY - radius,
+ 2 * radius,
+ 2 * radius
+ )
+ .attr(pointAttr)
+ .add(series.group);
+ }
+ }
+ }
+ }
+
+ },
+
+ /**
+ * Convert state properties from API naming conventions to SVG attributes
+ *
+ * @param {Object} options API options object
+ * @param {Object} base1 SVG attribute object to inherit from
+ * @param {Object} base2 Second level SVG attribute object to inherit from
+ */
+ convertAttribs: function (options, base1, base2, base3) {
+ var conversion = this.pointAttrToOptions,
+ attr,
+ option,
+ obj = {};
+
+ options = options || {};
+ base1 = base1 || {};
+ base2 = base2 || {};
+ base3 = base3 || {};
+
+ for (attr in conversion) {
+ option = conversion[attr];
+ obj[attr] = pick(options[option], base1[attr], base2[attr], base3[attr]);
+ }
+ return obj;
+ },
+
+ /**
+ * Get the state attributes. Each series type has its own set of attributes
+ * that are allowed to change on a point's state change. Series wide attributes are stored for
+ * all series, and additionally point specific attributes are stored for all
+ * points with individual marker options. If such options are not defined for the point,
+ * a reference to the series wide attributes is stored in point.pointAttr.
+ */
+ getAttribs: function () {
+ var series = this,
+ normalOptions = defaultPlotOptions[series.type].marker ? series.options.marker : series.options,
+ stateOptions = normalOptions.states,
+ stateOptionsHover = stateOptions[HOVER_STATE],
+ pointStateOptionsHover,
+ seriesColor = series.color,
+ normalDefaults = {
+ stroke: seriesColor,
+ fill: seriesColor
+ },
+ points = series.points || [], // #927
+ i,
+ point,
+ seriesPointAttr = [],
+ pointAttr,
+ pointAttrToOptions = series.pointAttrToOptions,
+ hasPointSpecificOptions,
+ key;
+
+ // series type specific modifications
+ if (series.options.marker) { // line, spline, area, areaspline, scatter
+
+ // if no hover radius is given, default to normal radius + 2
+ stateOptionsHover.radius = stateOptionsHover.radius || normalOptions.radius + 2;
+ stateOptionsHover.lineWidth = stateOptionsHover.lineWidth || normalOptions.lineWidth + 1;
+
+ } else { // column, bar, pie
+
+ // if no hover color is given, brighten the normal color
+ stateOptionsHover.color = stateOptionsHover.color ||
+ Color(stateOptionsHover.color || seriesColor)
+ .brighten(stateOptionsHover.brightness).get();
+ }
+
+ // general point attributes for the series normal state
+ seriesPointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, normalDefaults);
+
+ // HOVER_STATE and SELECT_STATE states inherit from normal state except the default radius
+ each([HOVER_STATE, SELECT_STATE], function (state) {
+ seriesPointAttr[state] =
+ series.convertAttribs(stateOptions[state], seriesPointAttr[NORMAL_STATE]);
+ });
+
+ // set it
+ series.pointAttr = seriesPointAttr;
+
+
+ // Generate the point-specific attribute collections if specific point
+ // options are given. If not, create a referance to the series wide point
+ // attributes
+ i = points.length;
+ while (i--) {
+ point = points[i];
+ normalOptions = (point.options && point.options.marker) || point.options;
+ if (normalOptions && normalOptions.enabled === false) {
+ normalOptions.radius = 0;
+ }
+ hasPointSpecificOptions = false;
+
+ // check if the point has specific visual options
+ if (point.options) {
+ for (key in pointAttrToOptions) {
+ if (defined(normalOptions[pointAttrToOptions[key]])) {
+ hasPointSpecificOptions = true;
+ }
+ }
+ }
+
+
+
+ // a specific marker config object is defined for the individual point:
+ // create it's own attribute collection
+ if (hasPointSpecificOptions) {
+
+ pointAttr = [];
+ stateOptions = normalOptions.states || {}; // reassign for individual point
+ pointStateOptionsHover = stateOptions[HOVER_STATE] = stateOptions[HOVER_STATE] || {};
+
+ // if no hover color is given, brighten the normal color
+ if (!series.options.marker) { // column, bar, point
+ pointStateOptionsHover.color =
+ Color(pointStateOptionsHover.color || point.options.color)
+ .brighten(pointStateOptionsHover.brightness ||
+ stateOptionsHover.brightness).get();
+
+ }
+
+ // normal point state inherits series wide normal state
+ pointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, seriesPointAttr[NORMAL_STATE]);
+
+ // inherit from point normal and series hover
+ pointAttr[HOVER_STATE] = series.convertAttribs(
+ stateOptions[HOVER_STATE],
+ seriesPointAttr[HOVER_STATE],
+ pointAttr[NORMAL_STATE]
+ );
+ // inherit from point normal and series hover
+ pointAttr[SELECT_STATE] = series.convertAttribs(
+ stateOptions[SELECT_STATE],
+ seriesPointAttr[SELECT_STATE],
+ pointAttr[NORMAL_STATE]
+ );
+
+
+
+ // no marker config object is created: copy a reference to the series-wide
+ // attribute collection
+ } else {
+ pointAttr = seriesPointAttr;
+ }
+
+ point.pointAttr = pointAttr;
+
+ }
+
+ },
+
+
+ /**
+ * Clear DOM objects and free up memory
+ */
+ destroy: function () {
+ var series = this,
+ chart = series.chart,
+ seriesClipRect = series.clipRect,
+ issue134 = /AppleWebKit\/533/.test(userAgent),
+ destroy,
+ i,
+ data = series.data || [],
+ point,
+ prop,
+ axis;
+
+ // add event hook
+ fireEvent(series, 'destroy');
+
+ // remove all events
+ removeEvent(series);
+
+ // erase from axes
+ each(['xAxis', 'yAxis'], function (AXIS) {
+ axis = series[AXIS];
+ if (axis) {
+ erase(axis.series, series);
+ axis.isDirty = true;
+ }
+ });
+
+ // remove legend items
+ if (series.legendItem) {
+ series.chart.legend.destroyItem(series);
+ }
+
+ // destroy all points with their elements
+ i = data.length;
+ while (i--) {
+ point = data[i];
+ if (point && point.destroy) {
+ point.destroy();
+ }
+ }
+ series.points = null;
+
+ // If this series clipRect is not the global one (which is removed on chart.destroy) we
+ // destroy it here.
+ if (seriesClipRect && seriesClipRect !== chart.clipRect) {
+ series.clipRect = seriesClipRect.destroy();
+ }
+
+ // destroy all SVGElements associated to the series
+ each(['area', 'graph', 'dataLabelsGroup', 'group', 'tracker', 'trackerGroup'], function (prop) {
+ if (series[prop]) {
+
+ // issue 134 workaround
+ destroy = issue134 && prop === 'group' ?
+ 'hide' :
+ 'destroy';
+
+ series[prop][destroy]();
+ }
+ });
+
+ // remove from hoverSeries
+ if (chart.hoverSeries === series) {
+ chart.hoverSeries = null;
+ }
+ erase(chart.series, series);
+
+ // clear all members
+ for (prop in series) {
+ delete series[prop];
+ }
+ },
+
+ /**
+ * Draw the data labels
+ */
+ drawDataLabels: function () {
+
+ var series = this,
+ seriesOptions = series.options,
+ options = seriesOptions.dataLabels;
+
+ if (options.enabled || series._hasPointLabels) {
+ var x,
+ y,
+ points = series.points,
+ pointOptions,
+ generalOptions,
+ str,
+ dataLabelsGroup = series.dataLabelsGroup,
+ chart = series.chart,
+ xAxis = series.xAxis,
+ groupLeft = xAxis ? xAxis.left : chart.plotLeft,
+ yAxis = series.yAxis,
+ groupTop = yAxis ? yAxis.top : chart.plotTop,
+ renderer = chart.renderer,
+ inverted = chart.inverted,
+ seriesType = series.type,
+ stacking = seriesOptions.stacking,
+ isBarLike = seriesType === 'column' || seriesType === 'bar',
+ vAlignIsNull = options.verticalAlign === null,
+ yIsNull = options.y === null,
+ fontMetrics = renderer.fontMetrics(options.style.fontSize), // height and baseline
+ fontLineHeight = fontMetrics.h,
+ fontBaseline = fontMetrics.b,
+ dataLabel,
+ enabled;
+
+ if (isBarLike) {
+ var defaultYs = {
+ top: fontBaseline,
+ middle: fontBaseline - fontLineHeight / 2,
+ bottom: -fontLineHeight + fontBaseline
+ };
+ if (stacking) {
+ // In stacked series the default label placement is inside the bars
+ if (vAlignIsNull) {
+ options = merge(options, {verticalAlign: 'middle'});
+ }
+
+ // If no y delta is specified, try to create a good default
+ if (yIsNull) {
+ options = merge(options, { y: defaultYs[options.verticalAlign]});
+ }
+ } else {
+ // In non stacked series the default label placement is on top of the bars
+ if (vAlignIsNull) {
+ options = merge(options, {verticalAlign: 'top'});
+
+ // If no y delta is specified, try to create a good default (like default bar)
+ } else if (yIsNull) {
+ options = merge(options, { y: defaultYs[options.verticalAlign]});
+ }
+
+ }
+ }
+
+
+ // create a separate group for the data labels to avoid rotation
+ if (!dataLabelsGroup) {
+ dataLabelsGroup = series.dataLabelsGroup =
+ renderer.g('data-labels')
+ .attr({
+ visibility: series.visible ? VISIBLE : HIDDEN,
+ zIndex: 6
+ })
+ .translate(groupLeft, groupTop)
+ .add();
+ } else {
+ dataLabelsGroup.translate(groupLeft, groupTop);
+ }
+
+ // make the labels for each point
+ generalOptions = options;
+ each(points, function (point) {
+
+ dataLabel = point.dataLabel;
+
+ // Merge in individual options from point
+ options = generalOptions; // reset changes from previous points
+ pointOptions = point.options;
+ if (pointOptions && pointOptions.dataLabels) {
+ options = merge(options, pointOptions.dataLabels);
+ }
+ enabled = options.enabled;
+
+ // Get the positions
+ if (enabled) {
+ var plotX = (point.barX && point.barX + point.barW / 2) || pick(point.plotX, -999),
+ plotY = pick(point.plotY, -999),
+
+ // if options.y is null, which happens by default on column charts, set the position
+ // above or below the column depending on the threshold
+ individualYDelta = options.y === null ?
+ (point.y >= seriesOptions.threshold ?
+ -fontLineHeight + fontBaseline : // below the threshold
+ fontBaseline) : // above the threshold
+ options.y;
+
+ x = (inverted ? chart.plotWidth - plotY : plotX) + options.x;
+ y = mathRound((inverted ? chart.plotHeight - plotX : plotY) + individualYDelta);
+
+ }
+
+ // If the point is outside the plot area, destroy it. #678, #820
+ if (dataLabel && series.isCartesian && (!chart.isInsidePlot(x, y) || !enabled)) {
+ point.dataLabel = dataLabel.destroy();
+
+ // Individual labels are disabled if the are explicitly disabled
+ // in the point options, or if they fall outside the plot area.
+ } else if (enabled) {
+
+ var align = options.align,
+ attr,
+ name;
+
+ // Get the string
+ str = options.formatter.call(point.getLabelConfig(), options);
+
+ // in columns, align the string to the column
+ if (seriesType === 'column') {
+ x += { left: -1, right: 1 }[align] * point.barW / 2 || 0;
+ }
+
+ if (!stacking && inverted && point.y < 0) {
+ align = 'right';
+ x -= 10;
+ }
+
+ // Determine the color
+ options.style.color = pick(options.color, options.style.color, series.color, 'black');
+
+
+ // update existing label
+ if (dataLabel) {
+ // vertically centered
+ dataLabel
+ .attr({
+ text: str
+ }).animate({
+ x: x,
+ y: y
+ });
+ // create new label
+ } else if (defined(str)) {
+ attr = {
+ align: align,
+ fill: options.backgroundColor,
+ stroke: options.borderColor,
+ 'stroke-width': options.borderWidth,
+ r: options.borderRadius || 0,
+ rotation: options.rotation,
+ padding: options.padding,
+ zIndex: 1
+ };
+ // Remove unused attributes (#947)
+ for (name in attr) {
+ if (attr[name] === UNDEFINED) {
+ delete attr[name];
+ }
+ }
+
+ dataLabel = point.dataLabel = renderer[options.rotation ? 'text' : 'label']( // labels don't support rotation
+ str,
+ x,
+ y,
+ null,
+ null,
+ null,
+ options.useHTML,
+ true // baseline for backwards compat
+ )
+ .attr(attr)
+ .css(options.style)
+ .add(dataLabelsGroup)
+ .shadow(options.shadow);
+ }
+
+ if (isBarLike && seriesOptions.stacking && dataLabel) {
+ var barX = point.barX,
+ barY = point.barY,
+ barW = point.barW,
+ barH = point.barH;
+
+ dataLabel.align(options, null,
+ {
+ x: inverted ? chart.plotWidth - barY - barH : barX,
+ y: inverted ? chart.plotHeight - barX - barW : barY,
+ width: inverted ? barH : barW,
+ height: inverted ? barW : barH
+ });
+ }
+
+
+ }
+ });
+ }
+ },
+
+ /**
+ * Return the graph path of a segment
+ */
+ getSegmentPath: function (segment) {
+ var series = this,
+ segmentPath = [];
+
+ // build the segment line
+ each(segment, function (point, i) {
+
+ if (series.getPointSpline) { // generate the spline as defined in the SplineSeries object
+ segmentPath.push.apply(segmentPath, series.getPointSpline(segment, point, i));
+
+ } else {
+
+ // moveTo or lineTo
+ segmentPath.push(i ? L : M);
+
+ // step line?
+ if (i && series.options.step) {
+ var lastPoint = segment[i - 1];
+ segmentPath.push(
+ point.plotX,
+ lastPoint.plotY
+ );
+ }
+
+ // normal line to next point
+ segmentPath.push(
+ point.plotX,
+ point.plotY
+ );
+ }
+ });
+
+ return segmentPath;
+ },
+
+ /**
+ * Draw the actual graph
+ */
+ drawGraph: function () {
+ var series = this,
+ options = series.options,
+ chart = series.chart,
+ graph = series.graph,
+ graphPath = [],
+ group = series.group,
+ color = options.lineColor || series.color,
+ lineWidth = options.lineWidth,
+ dashStyle = options.dashStyle,
+ segmentPath,
+ renderer = chart.renderer,
+ singlePoints = [], // used in drawTracker
+ attribs;
+
+ // divide into segments and build graph and area paths
+ each(series.segments, function (segment) {
+
+ segmentPath = series.getSegmentPath(segment);
+
+ // add the segment to the graph, or a single point for tracking
+ if (segment.length > 1) {
+ graphPath = graphPath.concat(segmentPath);
+ } else {
+ singlePoints.push(segment[0]);
+ }
+ });
+
+ // used in drawTracker:
+ series.graphPath = graphPath;
+ series.singlePoints = singlePoints;
+
+ // draw the graph
+ if (graph) {
+ stop(graph); // cancel running animations, #459
+ graph.animate({ d: graphPath });
+
+ } else {
+ if (lineWidth) {
+ attribs = {
+ stroke: color,
+ 'stroke-width': lineWidth
+ };
+ if (dashStyle) {
+ attribs.dashstyle = dashStyle;
+ }
+
+ series.graph = renderer.path(graphPath)
+ .attr(attribs).add(group).shadow(options.shadow);
+ }
+ }
+ },
+
+ /**
+ * Initialize and perform group inversion on series.group and series.trackerGroup
+ */
+ invertGroups: function () {
+ var series = this,
+ group = series.group,
+ trackerGroup = series.trackerGroup,
+ chart = series.chart;
+
+ // A fixed size is needed for inversion to work
+ function setInvert() {
+ var size = {
+ width: series.yAxis.len,
+ height: series.xAxis.len
+ };
+
+ // Set the series.group size
+ group.attr(size).invert();
+
+ // Set the tracker group size
+ if (trackerGroup) {
+ trackerGroup.attr(size).invert();
+ }
+ }
+
+ addEvent(chart, 'resize', setInvert); // do it on resize
+ addEvent(series, 'destroy', function () {
+ removeEvent(chart, 'resize', setInvert);
+ });
+
+ // Do it now
+ setInvert(); // do it now
+
+ // On subsequent render and redraw, just do setInvert without setting up events again
+ series.invertGroups = setInvert;
+ },
+
+ /**
+ * Create the series group
+ */
+ createGroup: function () {
+
+ var chart = this.chart,
+ group = this.group = chart.renderer.g('series');
+
+ group.attr({
+ visibility: this.visible ? VISIBLE : HIDDEN,
+ zIndex: this.options.zIndex
+ })
+ .translate(this.xAxis.left, this.yAxis.top)
+ .add(chart.seriesGroup);
+
+ // Only run this once
+ this.createGroup = noop;
+ },
+
+ /**
+ * Render the graph and markers
+ */
+ render: function () {
+ var series = this,
+ chart = series.chart,
+ group,
+ options = series.options,
+ doClip = options.clip !== false,
+ animation = options.animation,
+ doAnimation = animation && series.animate,
+ duration = doAnimation ? (animation && animation.duration) || 500 : 0,
+ clipRect = series.clipRect,
+ renderer = chart.renderer;
+
+
+ // Add plot area clipping rectangle. If this is before chart.hasRendered,
+ // create one shared clipRect.
+
+ // Todo: since creating the clip property, the clipRect is created but
+ // never used when clip is false. A better way would be that the animation
+ // would run, then the clipRect destroyed.
+ if (!clipRect) {
+ clipRect = series.clipRect = !chart.hasRendered && chart.clipRect ?
+ chart.clipRect :
+ renderer.clipRect(0, 0, chart.plotSizeX, chart.plotSizeY + 1);
+ if (!chart.clipRect) {
+ chart.clipRect = clipRect;
+ }
+ }
+
+
+ // the group
+ series.createGroup();
+ group = series.group;
+
+
+ series.drawDataLabels();
+
+ // initiate the animation
+ if (doAnimation) {
+ series.animate(true);
+ }
+
+ // cache attributes for shapes
+ series.getAttribs();
+
+ // draw the graph if any
+ if (series.drawGraph) {
+ series.drawGraph();
+ }
+
+ // draw the points
+ series.drawPoints();
+
+ // draw the mouse tracking area
+ if (series.options.enableMouseTracking !== false) {
+ series.drawTracker();
+ }
+
+ // Handle inverted series and tracker groups
+ if (chart.inverted) {
+ series.invertGroups();
+ }
+
+ // Do the initial clipping. This must be done after inverting for VML.
+ if (doClip && !series.hasRendered) {
+ group.clip(clipRect);
+ if (series.trackerGroup) {
+ series.trackerGroup.clip(chart.clipRect);
+ }
+ }
+
+
+ // run the animation
+ if (doAnimation) {
+ series.animate();
+ }
+
+ // finish the individual clipRect
+ setTimeout(function () {
+ clipRect.isAnimating = false;
+ group = series.group; // can be destroyed during the timeout
+ if (group && clipRect !== chart.clipRect && clipRect.renderer) {
+ if (doClip) {
+ group.clip((series.clipRect = chart.clipRect));
+ }
+ clipRect.destroy();
+ }
+ }, duration);
+
+ series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
+ // (See #322) series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
+ series.hasRendered = true;
+ },
+
+ /**
+ * Redraw the series after an update in the axes.
+ */
+ redraw: function () {
+ var series = this,
+ chart = series.chart,
+ wasDirtyData = series.isDirtyData, // cache it here as it is set to false in render, but used after
+ group = series.group;
+
+ // reposition on resize
+ if (group) {
+ if (chart.inverted) {
+ group.attr({
+ width: chart.plotWidth,
+ height: chart.plotHeight
+ });
+ }
+
+ group.animate({
+ translateX: series.xAxis.left,
+ translateY: series.yAxis.top
+ });
+ }
+
+ series.translate();
+ series.setTooltipPoints(true);
+
+ series.render();
+ if (wasDirtyData) {
+ fireEvent(series, 'updatedData');
+ }
+ },
+
+ /**
+ * Set the state of the graph
+ */
+ setState: function (state) {
+ var series = this,
+ options = series.options,
+ graph = series.graph,
+ stateOptions = options.states,
+ lineWidth = options.lineWidth;
+
+ state = state || NORMAL_STATE;
+
+ if (series.state !== state) {
+ series.state = state;
+
+ if (stateOptions[state] && stateOptions[state].enabled === false) {
+ return;
+ }
+
+ if (state) {
+ lineWidth = stateOptions[state].lineWidth || lineWidth + 1;
+ }
+
+ if (graph && !graph.dashstyle) { // hover is turned off for dashed lines in VML
+ graph.attr({ // use attr because animate will cause any other animation on the graph to stop
+ 'stroke-width': lineWidth
+ }, state ? 0 : 500);
+ }
+ }
+ },
+
+ /**
+ * Set the visibility of the graph
+ *
+ * @param vis {Boolean} True to show the series, false to hide. If UNDEFINED,
+ * the visibility is toggled.
+ */
+ setVisible: function (vis, redraw) {
+ var series = this,
+ chart = series.chart,
+ legendItem = series.legendItem,
+ seriesGroup = series.group,
+ seriesTracker = series.tracker,
+ dataLabelsGroup = series.dataLabelsGroup,
+ showOrHide,
+ i,
+ points = series.points,
+ point,
+ ignoreHiddenSeries = chart.options.chart.ignoreHiddenSeries,
+ oldVisibility = series.visible;
+
+ // if called without an argument, toggle visibility
+ series.visible = vis = vis === UNDEFINED ? !oldVisibility : vis;
+ showOrHide = vis ? 'show' : 'hide';
+
+ // show or hide series
+ if (seriesGroup) { // pies don't have one
+ seriesGroup[showOrHide]();
+ }
+
+ // show or hide trackers
+ if (seriesTracker) {
+ seriesTracker[showOrHide]();
+ } else if (points) {
+ i = points.length;
+ while (i--) {
+ point = points[i];
+ if (point.tracker) {
+ point.tracker[showOrHide]();
+ }
+ }
+ }
+
+
+ if (dataLabelsGroup) {
+ dataLabelsGroup[showOrHide]();
+ }
+
+ if (legendItem) {
+ chart.legend.colorizeItem(series, vis);
+ }
+
+
+ // rescale or adapt to resized chart
+ series.isDirty = true;
+ // in a stack, all other series are affected
+ if (series.options.stacking) {
+ each(chart.series, function (otherSeries) {
+ if (otherSeries.options.stacking && otherSeries.visible) {
+ otherSeries.isDirty = true;
+ }
+ });
+ }
+
+ if (ignoreHiddenSeries) {
+ chart.isDirtyBox = true;
+ }
+ if (redraw !== false) {
+ chart.redraw();
+ }
+
+ fireEvent(series, showOrHide);
+ },
+
+ /**
+ * Show the graph
+ */
+ show: function () {
+ this.setVisible(true);
+ },
+
+ /**
+ * Hide the graph
+ */
+ hide: function () {
+ this.setVisible(false);
+ },
+
+
+ /**
+ * Set the selected state of the graph
+ *
+ * @param selected {Boolean} True to select the series, false to unselect. If
+ * UNDEFINED, the selection state is toggled.
+ */
+ select: function (selected) {
+ var series = this;
+ // if called without an argument, toggle
+ series.selected = selected = (selected === UNDEFINED) ? !series.selected : selected;
+
+ if (series.checkbox) {
+ series.checkbox.checked = selected;
+ }
+
+ fireEvent(series, selected ? 'select' : 'unselect');
+ },
+
+ /**
+ * Create a group that holds the tracking object or objects. This allows for
+ * individual clipping and placement of each series tracker.
+ */
+ drawTrackerGroup: function () {
+ var trackerGroup = this.trackerGroup,
+ chart = this.chart;
+
+ if (this.isCartesian) {
+
+ // Generate it on first call
+ if (!trackerGroup) {
+ this.trackerGroup = trackerGroup = chart.renderer.g()
+ .attr({
+ zIndex: this.options.zIndex || 1
+ })
+ .add(chart.trackerGroup);
+
+ }
+ // Place it on first and subsequent (redraw) calls
+ trackerGroup.translate(this.xAxis.left, this.yAxis.top);
+
+ }
+
+ return trackerGroup;
+ },
+
+ /**
+ * Draw the tracker object that sits above all data labels and markers to
+ * track mouse events on the graph or points. For the line type charts
+ * the tracker uses the same graphPath, but with a greater stroke width
+ * for better control.
+ */
+ drawTracker: function () {
+ var series = this,
+ options = series.options,
+ trackByArea = options.trackByArea,
+ trackerPath = [].concat(trackByArea ? series.areaPath : series.graphPath),
+ trackerPathLength = trackerPath.length,
+ chart = series.chart,
+ renderer = chart.renderer,
+ snap = chart.options.tooltip.snap,
+ tracker = series.tracker,
+ cursor = options.cursor,
+ css = cursor && { cursor: cursor },
+ singlePoints = series.singlePoints,
+ trackerGroup = series.drawTrackerGroup(),
+ singlePoint,
+ i;
+
+ // Extend end points. A better way would be to use round linecaps,
+ // but those are not clickable in VML.
+ if (trackerPathLength && !trackByArea) {
+ i = trackerPathLength + 1;
+ while (i--) {
+ if (trackerPath[i] === M) { // extend left side
+ trackerPath.splice(i + 1, 0, trackerPath[i + 1] - snap, trackerPath[i + 2], L);
+ }
+ if ((i && trackerPath[i] === M) || i === trackerPathLength) { // extend right side
+ trackerPath.splice(i, 0, L, trackerPath[i - 2] + snap, trackerPath[i - 1]);
+ }
+ }
+ }
+
+ // handle single points
+ for (i = 0; i < singlePoints.length; i++) {
+ singlePoint = singlePoints[i];
+ trackerPath.push(M, singlePoint.plotX - snap, singlePoint.plotY,
+ L, singlePoint.plotX + snap, singlePoint.plotY);
+ }
+
+
+
+ // draw the tracker
+ if (tracker) {
+ tracker.attr({ d: trackerPath });
+
+ } else { // create
+
+ series.tracker = renderer.path(trackerPath)
+ .attr({
+ isTracker: true,
+ 'stroke-linejoin': 'bevel',
+ visibility: series.visible ? VISIBLE : HIDDEN,
+ stroke: TRACKER_FILL,
+ fill: trackByArea ? TRACKER_FILL : NONE,
+ 'stroke-width' : options.lineWidth + (trackByArea ? 0 : 2 * snap)
+ })
+ .on(hasTouch ? 'touchstart' : 'mouseover', function () {
+ if (chart.hoverSeries !== series) {
+ series.onMouseOver();
+ }
+ })
+ .on('mouseout', function () {
+ if (!options.stickyTracking) {
+ series.onMouseOut();
+ }
+ })
+ .css(css)
+ .add(trackerGroup);
+ }
+
+ }
+
+}; // end Series prototype
+
+
+/**
+ * LineSeries object
+ */
+var LineSeries = extendClass(Series);
+seriesTypes.line = LineSeries;
+
+/**
+ * Set the default options for area
+ */
+defaultPlotOptions.area = merge(defaultSeriesOptions, {
+ threshold: 0
+ // trackByArea: false,
+ // lineColor: null, // overrides color, but lets fillColor be unaltered
+ // fillOpacity: 0.75,
+ // fillColor: null
+});
+
+/**
+ * AreaSeries object
+ */
+var AreaSeries = extendClass(Series, {
+ type: 'area',
+
+ /**
+ * Extend the base Series getSegmentPath method by adding the path for the area.
+ * This path is pushed to the series.areaPath property.
+ */
+ getSegmentPath: function (segment) {
+
+ var segmentPath = Series.prototype.getSegmentPath.call(this, segment), // call base method
+ areaSegmentPath = [].concat(segmentPath), // work on a copy for the area path
+ i,
+ options = this.options,
+ segLength = segmentPath.length,
+ translatedThreshold = this.yAxis.getThreshold(options.threshold);
+
+ if (segLength === 3) { // for animation from 1 to two points
+ areaSegmentPath.push(L, segmentPath[1], segmentPath[2]);
+ }
+ if (options.stacking && this.type !== 'areaspline') {
+
+ // Follow stack back. Todo: implement areaspline. A general solution could be to
+ // reverse the entire graphPath of the previous series, though may be hard with
+ // splines and with series with different extremes
+ for (i = segment.length - 1; i >= 0; i--) {
+
+ // step line?
+ if (i < segment.length - 1 && options.step) {
+ areaSegmentPath.push(segment[i + 1].plotX, segment[i].yBottom);
+ }
+
+ areaSegmentPath.push(segment[i].plotX, segment[i].yBottom);
+ }
+
+ } else { // follow zero line back
+ areaSegmentPath.push(
+ L,
+ segment[segment.length - 1].plotX,
+ translatedThreshold,
+ L,
+ segment[0].plotX,
+ translatedThreshold
+ );
+ }
+ this.areaPath = this.areaPath.concat(areaSegmentPath);
+
+ return segmentPath;
+ },
+
+ /**
+ * Draw the graph and the underlying area. This method calls the Series base
+ * function and adds the area. The areaPath is calculated in the getSegmentPath
+ * method called from Series.prototype.drawGraph.
+ */
+ drawGraph: function () {
+
+ // Define or reset areaPath
+ this.areaPath = [];
+
+ // Call the base method
+ Series.prototype.drawGraph.apply(this);
+
+ // Define local variables
+ var areaPath = this.areaPath,
+ options = this.options,
+ area = this.area;
+
+ // Create or update the area
+ if (area) { // update
+ area.animate({ d: areaPath });
+
+ } else { // create
+ this.area = this.chart.renderer.path(areaPath)
+ .attr({
+ fill: pick(
+ options.fillColor,
+ Color(this.color).setOpacity(options.fillOpacity || 0.75).get()
+ )
+ }).add(this.group);
+ }
+ },
+
+ /**
+ * Get the series' symbol in the legend
+ *
+ * @param {Object} legend The legend object
+ * @param {Object} item The series (this) or point
+ */
+ drawLegendSymbol: function (legend, item) {
+
+ item.legendSymbol = this.chart.renderer.rect(
+ 0,
+ legend.baseline - 11,
+ legend.options.symbolWidth,
+ 12,
+ 2
+ ).attr({
+ zIndex: 3
+ }).add(item.legendGroup);
+
+ }
+});
+
+seriesTypes.area = AreaSeries;/**
+ * Set the default options for spline
+ */
+defaultPlotOptions.spline = merge(defaultSeriesOptions);
+
+/**
+ * SplineSeries object
+ */
+var SplineSeries = extendClass(Series, {
+ type: 'spline',
+
+ /**
+ * Draw the actual graph
+ */
+ getPointSpline: function (segment, point, i) {
+ var smoothing = 1.5, // 1 means control points midway between points, 2 means 1/3 from the point, 3 is 1/4 etc
+ denom = smoothing + 1,
+ plotX = point.plotX,
+ plotY = point.plotY,
+ lastPoint = segment[i - 1],
+ nextPoint = segment[i + 1],
+ leftContX,
+ leftContY,
+ rightContX,
+ rightContY,
+ ret;
+
+ // find control points
+ if (i && i < segment.length - 1) {
+ var lastX = lastPoint.plotX,
+ lastY = lastPoint.plotY,
+ nextX = nextPoint.plotX,
+ nextY = nextPoint.plotY,
+ correction;
+
+ leftContX = (smoothing * plotX + lastX) / denom;
+ leftContY = (smoothing * plotY + lastY) / denom;
+ rightContX = (smoothing * plotX + nextX) / denom;
+ rightContY = (smoothing * plotY + nextY) / denom;
+
+ // have the two control points make a straight line through main point
+ correction = ((rightContY - leftContY) * (rightContX - plotX)) /
+ (rightContX - leftContX) + plotY - rightContY;
+
+ leftContY += correction;
+ rightContY += correction;
+
+ // to prevent false extremes, check that control points are between
+ // neighbouring points' y values
+ if (leftContY > lastY && leftContY > plotY) {
+ leftContY = mathMax(lastY, plotY);
+ rightContY = 2 * plotY - leftContY; // mirror of left control point
+ } else if (leftContY < lastY && leftContY < plotY) {
+ leftContY = mathMin(lastY, plotY);
+ rightContY = 2 * plotY - leftContY;
+ }
+ if (rightContY > nextY && rightContY > plotY) {
+ rightContY = mathMax(nextY, plotY);
+ leftContY = 2 * plotY - rightContY;
+ } else if (rightContY < nextY && rightContY < plotY) {
+ rightContY = mathMin(nextY, plotY);
+ leftContY = 2 * plotY - rightContY;
+ }
+
+ // record for drawing in next point
+ point.rightContX = rightContX;
+ point.rightContY = rightContY;
+
+ }
+
+ // moveTo or lineTo
+ if (!i) {
+ ret = [M, plotX, plotY];
+ } else { // curve from last point to this
+ ret = [
+ 'C',
+ lastPoint.rightContX || lastPoint.plotX,
+ lastPoint.rightContY || lastPoint.plotY,
+ leftContX || plotX,
+ leftContY || plotY,
+ plotX,
+ plotY
+ ];
+ lastPoint.rightContX = lastPoint.rightContY = null; // reset for updating series later
+ }
+ return ret;
+ }
+});
+seriesTypes.spline = SplineSeries;
+
+/**
+ * Set the default options for areaspline
+ */
+defaultPlotOptions.areaspline = merge(defaultPlotOptions.area);
+
+/**
+ * AreaSplineSeries object
+ */
+var areaProto = AreaSeries.prototype,
+ AreaSplineSeries = extendClass(SplineSeries, {
+ type: 'areaspline',
+
+ // Mix in methods from the area series
+ getSegmentPath: areaProto.getSegmentPath,
+ drawGraph: areaProto.drawGraph
+ });
+seriesTypes.areaspline = AreaSplineSeries;
+
+/**
+ * Set the default options for column
+ */
+defaultPlotOptions.column = merge(defaultSeriesOptions, {
+ borderColor: '#FFFFFF',
+ borderWidth: 1,
+ borderRadius: 0,
+ //colorByPoint: undefined,
+ groupPadding: 0.2,
+ marker: null, // point options are specified in the base options
+ pointPadding: 0.1,
+ //pointWidth: null,
+ minPointLength: 0,
+ cropThreshold: 50, // when there are more points, they will not animate out of the chart on xAxis.setExtremes
+ pointRange: null, // null means auto, meaning 1 in a categorized axis and least distance between points if not categories
+ states: {
+ hover: {
+ brightness: 0.1,
+ shadow: false
+ },
+ select: {
+ color: '#C0C0C0',
+ borderColor: '#000000',
+ shadow: false
+ }
+ },
+ dataLabels: {
+ y: null,
+ verticalAlign: null
+ },
+ threshold: 0
+});
+
+/**
+ * ColumnSeries object
+ */
+var ColumnSeries = extendClass(Series, {
+ type: 'column',
+ tooltipOutsidePlot: true,
+ pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
+ stroke: 'borderColor',
+ 'stroke-width': 'borderWidth',
+ fill: 'color',
+ r: 'borderRadius'
+ },
+ init: function () {
+ Series.prototype.init.apply(this, arguments);
+
+ var series = this,
+ chart = series.chart;
+
+ // if the series is added dynamically, force redraw of other
+ // series affected by a new column
+ if (chart.hasRendered) {
+ each(chart.series, function (otherSeries) {
+ if (otherSeries.type === series.type) {
+ otherSeries.isDirty = true;
+ }
+ });
+ }
+ },
+
+ /**
+ * Translate each point to the plot area coordinate system and find shape positions
+ */
+ translate: function () {
+ var series = this,
+ chart = series.chart,
+ options = series.options,
+ stacking = options.stacking,
+ borderWidth = options.borderWidth,
+ columnCount = 0,
+ xAxis = series.xAxis,
+ reversedXAxis = xAxis.reversed,
+ stackGroups = {},
+ stackKey,
+ columnIndex;
+
+ Series.prototype.translate.apply(series);
+
+ // Get the total number of column type series.
+ // This is called on every series. Consider moving this logic to a
+ // chart.orderStacks() function and call it on init, addSeries and removeSeries
+ each(chart.series, function (otherSeries) {
+ if (otherSeries.type === series.type && otherSeries.visible &&
+ series.options.group === otherSeries.options.group) { // used in Stock charts navigator series
+ if (otherSeries.options.stacking) {
+ stackKey = otherSeries.stackKey;
+ if (stackGroups[stackKey] === UNDEFINED) {
+ stackGroups[stackKey] = columnCount++;
+ }
+ columnIndex = stackGroups[stackKey];
+ } else {
+ columnIndex = columnCount++;
+ }
+ otherSeries.columnIndex = columnIndex;
+ }
+ });
+
+ // calculate the width and position of each column based on
+ // the number of column series in the plot, the groupPadding
+ // and the pointPadding options
+ var points = series.points,
+ categoryWidth = mathAbs(xAxis.transA) * (xAxis.ordinalSlope || options.pointRange || xAxis.closestPointRange || 1),
+ groupPadding = categoryWidth * options.groupPadding,
+ groupWidth = categoryWidth - 2 * groupPadding,
+ pointOffsetWidth = groupWidth / columnCount,
+ optionPointWidth = options.pointWidth,
+ pointPadding = defined(optionPointWidth) ? (pointOffsetWidth - optionPointWidth) / 2 :
+ pointOffsetWidth * options.pointPadding,
+ pointWidth = pick(optionPointWidth, pointOffsetWidth - 2 * pointPadding), // exact point width, used in polar charts
+ barW = mathCeil(mathMax(pointWidth, 1 + 2 * borderWidth)), // rounded and postprocessed for border width
+ colIndex = (reversedXAxis ? columnCount -
+ series.columnIndex : series.columnIndex) || 0,
+ pointXOffset = pointPadding + (groupPadding + colIndex *
+ pointOffsetWidth - (categoryWidth / 2)) *
+ (reversedXAxis ? -1 : 1),
+ threshold = options.threshold,
+ translatedThreshold = series.yAxis.getThreshold(threshold),
+ minPointLength = pick(options.minPointLength, 5);
+
+ // record the new values
+ each(points, function (point) {
+ var plotY = point.plotY,
+ yBottom = pick(point.yBottom, translatedThreshold),
+ barX = point.plotX + pointXOffset,
+ barY = mathCeil(mathMin(plotY, yBottom)),
+ barH = mathCeil(mathMax(plotY, yBottom) - barY),
+ stack = series.yAxis.stacks[(point.y < 0 ? '-' : '') + series.stackKey],
+ shapeArgs;
+
+ // Record the offset'ed position and width of the bar to be able to align the stacking total correctly
+ if (stacking && series.visible && stack && stack[point.x]) {
+ stack[point.x].setOffset(pointXOffset, barW);
+ }
+
+ // handle options.minPointLength
+ if (mathAbs(barH) < minPointLength) {
+ if (minPointLength) {
+ barH = minPointLength;
+ barY =
+ mathAbs(barY - translatedThreshold) > minPointLength ? // stacked
+ yBottom - minPointLength : // keep position
+ translatedThreshold - (plotY <= translatedThreshold ? minPointLength : 0);
+ }
+ }
+
+ extend(point, {
+ barX: barX,
+ barY: barY,
+ barW: barW,
+ barH: barH,
+ pointWidth: pointWidth
+ });
+
+ // create shape type and shape args that are reused in drawPoints and drawTracker
+ point.shapeType = 'rect';
+ point.shapeArgs = shapeArgs = chart.renderer.Element.prototype.crisp.call(0, borderWidth, barX, barY, barW, barH);
+
+ if (borderWidth % 2) { // correct for shorting in crisp method, visible in stacked columns with 1px border
+ shapeArgs.y -= 1;
+ shapeArgs.height += 1;
+ }
+
+ // make small columns responsive to mouse
+ point.trackerArgs = mathAbs(barH) < 3 && merge(point.shapeArgs, {
+ height: 6,
+ y: barY - 3
+ });
+ });
+
+ },
+
+ getSymbol: function () {
+ },
+
+ /**
+ * Use a solid rectangle like the area series types
+ */
+ drawLegendSymbol: AreaSeries.prototype.drawLegendSymbol,
+
+
+ /**
+ * Columns have no graph
+ */
+ drawGraph: function () {},
+
+ /**
+ * Draw the columns. For bars, the series.group is rotated, so the same coordinates
+ * apply for columns and bars. This method is inherited by scatter series.
+ *
+ */
+ drawPoints: function () {
+ var series = this,
+ options = series.options,
+ renderer = series.chart.renderer,
+ graphic,
+ shapeArgs;
+
+
+ // draw the columns
+ each(series.points, function (point) {
+ var plotY = point.plotY;
+ if (plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
+ graphic = point.graphic;
+ shapeArgs = point.shapeArgs;
+ if (graphic) { // update
+ stop(graphic);
+ graphic.animate(merge(shapeArgs));
+
+ } else {
+ point.graphic = graphic = renderer[point.shapeType](shapeArgs)
+ .attr(point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE])
+ .add(series.group)
+ .shadow(options.shadow, null, options.stacking && !options.borderRadius);
+ }
+
+ }
+ });
+ },
+ /**
+ * Draw the individual tracker elements.
+ * This method is inherited by scatter and pie charts too.
+ */
+ drawTracker: function () {
+ var series = this,
+ chart = series.chart,
+ renderer = chart.renderer,
+ shapeArgs,
+ tracker,
+ trackerLabel = +new Date(),
+ options = series.options,
+ cursor = options.cursor,
+ css = cursor && { cursor: cursor },
+ trackerGroup = series.drawTrackerGroup(),
+ rel,
+ plotY,
+ validPlotY;
+
+ each(series.points, function (point) {
+ tracker = point.tracker;
+ shapeArgs = point.trackerArgs || point.shapeArgs;
+ plotY = point.plotY;
+ validPlotY = !series.isCartesian || (plotY !== UNDEFINED && !isNaN(plotY));
+ delete shapeArgs.strokeWidth;
+ if (point.y !== null && validPlotY) {
+ if (tracker) {// update
+ tracker.attr(shapeArgs);
+
+ } else {
+ point.tracker =
+ renderer[point.shapeType](shapeArgs)
+ .attr({
+ isTracker: trackerLabel,
+ fill: TRACKER_FILL,
+ visibility: series.visible ? VISIBLE : HIDDEN
+ })
+ .on(hasTouch ? 'touchstart' : 'mouseover', function (event) {
+ rel = event.relatedTarget || event.fromElement;
+ if (chart.hoverSeries !== series && attr(rel, 'isTracker') !== trackerLabel) {
+ series.onMouseOver();
+ }
+ point.onMouseOver();
+
+ })
+ .on('mouseout', function (event) {
+ if (!options.stickyTracking) {
+ rel = event.relatedTarget || event.toElement;
+ if (attr(rel, 'isTracker') !== trackerLabel) {
+ series.onMouseOut();
+ }
+ }
+ })
+ .css(css)
+ .add(point.group || trackerGroup); // pies have point group - see issue #118
+ }
+ }
+ });
+ },
+
+
+ /**
+ * Animate the column heights one by one from zero
+ * @param {Boolean} init Whether to initialize the animation or run it
+ */
+ animate: function (init) {
+ var series = this,
+ points = series.points,
+ options = series.options;
+
+ if (!init) { // run the animation
+ /*
+ * Note: Ideally the animation should be initialized by calling
+ * series.group.hide(), and then calling series.group.show()
+ * after the animation was started. But this rendered the shadows
+ * invisible in IE8 standards mode. If the columns flicker on large
+ * datasets, this is the cause.
+ */
+
+ each(points, function (point) {
+ var graphic = point.graphic,
+ shapeArgs = point.shapeArgs,
+ yAxis = series.yAxis,
+ threshold = options.threshold;
+
+ if (graphic) {
+ // start values
+ graphic.attr({
+ height: 0,
+ y: defined(threshold) ?
+ yAxis.getThreshold(threshold) :
+ yAxis.translate(yAxis.getExtremes().min, 0, 1, 0, 1)
+ });
+
+ // animate
+ graphic.animate({
+ height: shapeArgs.height,
+ y: shapeArgs.y
+ }, options.animation);
+ }
+ });
+
+
+ // delete this function to allow it only once
+ series.animate = null;
+ }
+
+ },
+ /**
+ * Remove this series from the chart
+ */
+ remove: function () {
+ var series = this,
+ chart = series.chart;
+
+ // column and bar series affects other series of the same type
+ // as they are either stacked or grouped
+ if (chart.hasRendered) {
+ each(chart.series, function (otherSeries) {
+ if (otherSeries.type === series.type) {
+ otherSeries.isDirty = true;
+ }
+ });
+ }
+
+ Series.prototype.remove.apply(series, arguments);
+ }
+});
+seriesTypes.column = ColumnSeries;
+/**
+ * Set the default options for bar
+ */
+defaultPlotOptions.bar = merge(defaultPlotOptions.column, {
+ dataLabels: {
+ align: 'left',
+ x: 5,
+ y: null,
+ verticalAlign: 'middle'
+ }
+});
+/**
+ * The Bar series class
+ */
+var BarSeries = extendClass(ColumnSeries, {
+ type: 'bar',
+ inverted: true
+});
+seriesTypes.bar = BarSeries;
+
+/**
+ * Set the default options for scatter
+ */
+defaultPlotOptions.scatter = merge(defaultSeriesOptions, {
+ lineWidth: 0,
+ states: {
+ hover: {
+ lineWidth: 0
+ }
+ },
+ tooltip: {
+ headerFormat: '<span style="font-size: 10px; color:{series.color}">{series.name}</span><br/>',
+ pointFormat: 'x: <b>{point.x}</b><br/>y: <b>{point.y}</b><br/>'
+ }
+});
+
+/**
+ * The scatter series class
+ */
+var ScatterSeries = extendClass(Series, {
+ type: 'scatter',
+ sorted: false,
+ /**
+ * Extend the base Series' translate method by adding shape type and
+ * arguments for the point trackers
+ */
+ translate: function () {
+ var series = this;
+
+ Series.prototype.translate.apply(series);
+
+ each(series.points, function (point) {
+ point.shapeType = 'circle';
+ point.shapeArgs = {
+ x: point.plotX,
+ y: point.plotY,
+ r: series.chart.options.tooltip.snap
+ };
+ });
+ },
+
+ /**
+ * Add tracking event listener to the series group, so the point graphics
+ * themselves act as trackers
+ */
+ drawTracker: function () {
+ var series = this,
+ cursor = series.options.cursor,
+ css = cursor && { cursor: cursor },
+ points = series.points,
+ i = points.length,
+ graphic;
+
+ // Set an expando property for the point index, used below
+ while (i--) {
+ graphic = points[i].graphic;
+ if (graphic) { // doesn't exist for null points
+ graphic.element._i = i;
+ }
+ }
+
+ // Add the event listeners, we need to do this only once
+ if (!series._hasTracking) {
+ series.group
+ .attr({
+ isTracker: true
+ })
+ .on(hasTouch ? 'touchstart' : 'mouseover', function (e) {
+ series.onMouseOver();
+ if (e.target._i !== UNDEFINED) { // undefined on graph in scatterchart
+ points[e.target._i].onMouseOver();
+ }
+ })
+ .on('mouseout', function () {
+ if (!series.options.stickyTracking) {
+ series.onMouseOut();
+ }
+ })
+ .css(css);
+ } else {
+ series._hasTracking = true;
+ }
+
+ }
+});
+seriesTypes.scatter = ScatterSeries;
+
+/**
+ * Set the default options for pie
+ */
+defaultPlotOptions.pie = merge(defaultSeriesOptions, {
+ borderColor: '#FFFFFF',
+ borderWidth: 1,
+ center: ['50%', '50%'],
+ colorByPoint: true, // always true for pies
+ dataLabels: {
+ // align: null,
+ // connectorWidth: 1,
+ // connectorColor: point.color,
+ // connectorPadding: 5,
+ distance: 30,
+ enabled: true,
+ formatter: function () {
+ return this.point.name;
+ },
+ // softConnector: true,
+ y: 5
+ },
+ //innerSize: 0,
+ legendType: 'point',
+ marker: null, // point options are specified in the base options
+ size: '75%',
+ showInLegend: false,
+ slicedOffset: 10,
+ states: {
+ hover: {
+ brightness: 0.1,
+ shadow: false
+ }
+ }
+});
+
+/**
+ * Extended point object for pies
+ */
+var PiePoint = extendClass(Point, {
+ /**
+ * Initiate the pie slice
+ */
+ init: function () {
+
+ Point.prototype.init.apply(this, arguments);
+
+ var point = this,
+ toggleSlice;
+
+ //visible: options.visible !== false,
+ extend(point, {
+ visible: point.visible !== false,
+ name: pick(point.name, 'Slice')
+ });
+
+ // add event listener for select
+ toggleSlice = function () {
+ point.slice();
+ };
+ addEvent(point, 'select', toggleSlice);
+ addEvent(point, 'unselect', toggleSlice);
+
+ return point;
+ },
+
+ /**
+ * Toggle the visibility of the pie slice
+ * @param {Boolean} vis Whether to show the slice or not. If undefined, the
+ * visibility is toggled
+ */
+ setVisible: function (vis) {
+ var point = this,
+ chart = point.series.chart,
+ tracker = point.tracker,
+ dataLabel = point.dataLabel,
+ connector = point.connector,
+ shadowGroup = point.shadowGroup,
+ method;
+
+ // if called without an argument, toggle visibility
+ point.visible = vis = vis === UNDEFINED ? !point.visible : vis;
+
+ method = vis ? 'show' : 'hide';
+
+ point.group[method]();
+ if (tracker) {
+ tracker[method]();
+ }
+ if (dataLabel) {
+ dataLabel[method]();
+ }
+ if (connector) {
+ connector[method]();
+ }
+ if (shadowGroup) {
+ shadowGroup[method]();
+ }
+ if (point.legendItem) {
+ chart.legend.colorizeItem(point, vis);
+ }
+ },
+
+ /**
+ * Set or toggle whether the slice is cut out from the pie
+ * @param {Boolean} sliced When undefined, the slice state is toggled
+ * @param {Boolean} redraw Whether to redraw the chart. True by default.
+ */
+ slice: function (sliced, redraw, animation) {
+ var point = this,
+ series = point.series,
+ chart = series.chart,
+ slicedTranslation = point.slicedTranslation,
+ translation;
+
+ setAnimation(animation, chart);
+
+ // redraw is true by default
+ redraw = pick(redraw, true);
+
+ // if called without an argument, toggle
+ sliced = point.sliced = defined(sliced) ? sliced : !point.sliced;
+
+ translation = {
+ translateX: (sliced ? slicedTranslation[0] : chart.plotLeft),
+ translateY: (sliced ? slicedTranslation[1] : chart.plotTop)
+ };
+ point.group.animate(translation);
+ if (point.shadowGroup) {
+ point.shadowGroup.animate(translation);
+ }
+
+ }
+});
+
+/**
+ * The Pie series class
+ */
+var PieSeries = {
+ type: 'pie',
+ isCartesian: false,
+ pointClass: PiePoint,
+ pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
+ stroke: 'borderColor',
+ 'stroke-width': 'borderWidth',
+ fill: 'color'
+ },
+
+ /**
+ * Pies have one color each point
+ */
+ getColor: function () {
+ // record first color for use in setData
+ this.initialColor = this.chart.counters.color;
+ },
+
+ /**
+ * Animate the pies in
+ */
+ animate: function () {
+ var series = this,
+ points = series.points;
+
+ each(points, function (point) {
+ var graphic = point.graphic,
+ args = point.shapeArgs,
+ up = -mathPI / 2;
+
+ if (graphic) {
+ // start values
+ graphic.attr({
+ r: 0,
+ start: up,
+ end: up
+ });
+
+ // animate
+ graphic.animate({
+ r: args.r,
+ start: args.start,
+ end: args.end
+ }, series.options.animation);
+ }
+ });
+
+ // delete this function to allow it only once
+ series.animate = null;
+
+ },
+
+ /**
+ * Extend the basic setData method by running processData and generatePoints immediately,
+ * in order to access the points from the legend.
+ */
+ setData: function (data, redraw) {
+ Series.prototype.setData.call(this, data, false);
+ this.processData();
+ this.generatePoints();
+ if (pick(redraw, true)) {
+ this.chart.redraw();
+ }
+ },
+
+ /**
+ * Get the center of the pie based on the size and center options relative to the
+ * plot area. Borrowed by the polar and gauge series types.
+ */
+ getCenter: function () {
+
+ var options = this.options,
+ chart = this.chart,
+ plotWidth = chart.plotWidth,
+ plotHeight = chart.plotHeight,
+ positions = options.center.concat([options.size, options.innerSize || 0]),
+ smallestSize = mathMin(plotWidth, plotHeight),
+ isPercent;
+
+ return map(positions, function (length, i) {
+
+ isPercent = /%$/.test(length);
+ return isPercent ?
+ // i == 0: centerX, relative to width
+ // i == 1: centerY, relative to height
+ // i == 2: size, relative to smallestSize
+ // i == 4: innerSize, relative to smallestSize
+ [plotWidth, plotHeight, smallestSize, smallestSize][i] *
+ pInt(length) / 100 :
+ length;
+ });
+ },
+
+ /**
+ * Do translation for pie slices
+ */
+ translate: function () {
+ this.generatePoints();
+
+ var total = 0,
+ series = this,
+ cumulative = -0.25, // start at top
+ precision = 1000, // issue #172
+ options = series.options,
+ slicedOffset = options.slicedOffset,
+ connectorOffset = slicedOffset + options.borderWidth,
+ positions,
+ chart = series.chart,
+ start,
+ end,
+ angle,
+ points = series.points,
+ circ = 2 * mathPI,
+ fraction,
+ radiusX, // the x component of the radius vector for a given point
+ radiusY,
+ labelDistance = options.dataLabels.distance;
+
+ // get positions - either an integer or a percentage string must be given
+ series.center = positions = series.getCenter();
+
+ // utility for getting the x value from a given y, used for anticollision logic in data labels
+ series.getX = function (y, left) {
+
+ angle = math.asin((y - positions[1]) / (positions[2] / 2 + labelDistance));
+
+ return positions[0] +
+ (left ? -1 : 1) *
+ (mathCos(angle) * (positions[2] / 2 + labelDistance));
+ };
+
+ // get the total sum
+ each(points, function (point) {
+ total += point.y;
+ });
+
+ each(points, function (point) {
+ // set start and end angle
+ fraction = total ? point.y / total : 0;
+ start = mathRound(cumulative * circ * precision) / precision;
+ cumulative += fraction;
+ end = mathRound(cumulative * circ * precision) / precision;
+
+ // set the shape
+ point.shapeType = 'arc';
+ point.shapeArgs = {
+ x: positions[0],
+ y: positions[1],
+ r: positions[2] / 2,
+ innerR: positions[3] / 2,
+ start: start,
+ end: end
+ };
+
+ // center for the sliced out slice
+ angle = (end + start) / 2;
+ point.slicedTranslation = map([
+ mathCos(angle) * slicedOffset + chart.plotLeft,
+ mathSin(angle) * slicedOffset + chart.plotTop
+ ], mathRound);
+
+ // set the anchor point for tooltips
+ radiusX = mathCos(angle) * positions[2] / 2;
+ radiusY = mathSin(angle) * positions[2] / 2;
+ point.tooltipPos = [
+ positions[0] + radiusX * 0.7,
+ positions[1] + radiusY * 0.7
+ ];
+
+ // set the anchor point for data labels
+ point.labelPos = [
+ positions[0] + radiusX + mathCos(angle) * labelDistance, // first break of connector
+ positions[1] + radiusY + mathSin(angle) * labelDistance, // a/a
+ positions[0] + radiusX + mathCos(angle) * connectorOffset, // second break, right outside pie
+ positions[1] + radiusY + mathSin(angle) * connectorOffset, // a/a
+ positions[0] + radiusX, // landing point for connector
+ positions[1] + radiusY, // a/a
+ labelDistance < 0 ? // alignment
+ 'center' :
+ angle < circ / 4 ? 'left' : 'right', // alignment
+ angle // center angle
+ ];
+
+ // API properties
+ point.percentage = fraction * 100;
+ point.total = total;
+
+ });
+
+
+ this.setTooltipPoints();
+ },
+
+ /**
+ * Render the slices
+ */
+ render: function () {
+ var series = this;
+
+ // cache attributes for shapes
+ series.getAttribs();
+
+ this.drawPoints();
+
+ // draw the mouse tracking area
+ if (series.options.enableMouseTracking !== false) {
+ series.drawTracker();
+ }
+
+ this.drawDataLabels();
+
+ if (series.options.animation && series.animate) {
+ series.animate();
+ }
+
+ // (See #322) series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
+ series.isDirty = false; // means data is in accordance with what you see
+ },
+
+ /**
+ * Draw the data points
+ */
+ drawPoints: function () {
+ var series = this,
+ chart = series.chart,
+ renderer = chart.renderer,
+ groupTranslation,
+ //center,
+ graphic,
+ group,
+ shadow = series.options.shadow,
+ shadowGroup,
+ shapeArgs;
+
+ // draw the slices
+ each(series.points, function (point) {
+ graphic = point.graphic;
+ shapeArgs = point.shapeArgs;
+ group = point.group;
+ shadowGroup = point.shadowGroup;
+
+ // put the shadow behind all points
+ if (shadow && !shadowGroup) {
+ shadowGroup = point.shadowGroup = renderer.g('shadow')
+ .attr({ zIndex: 4 })
+ .add();
+ }
+
+ // create the group the first time
+ if (!group) {
+ group = point.group = renderer.g('point')
+ .attr({ zIndex: 5 })
+ .add();
+ }
+
+ // if the point is sliced, use special translation, else use plot area traslation
+ groupTranslation = point.sliced ? point.slicedTranslation : [chart.plotLeft, chart.plotTop];
+ group.translate(groupTranslation[0], groupTranslation[1]);
+ if (shadowGroup) {
+ shadowGroup.translate(groupTranslation[0], groupTranslation[1]);
+ }
+
+ // draw the slice
+ if (graphic) {
+ graphic.animate(shapeArgs);
+ } else {
+ point.graphic = graphic = renderer.arc(shapeArgs)
+ .setRadialReference(series.center)
+ .attr(extend(
+ point.pointAttr[NORMAL_STATE],
+ { 'stroke-linejoin': 'round' }
+ ))
+ .add(point.group)
+ .shadow(shadow, shadowGroup);
+
+ }
+
+ // detect point specific visibility
+ if (point.visible === false) {
+ point.setVisible(false);
+ }
+
+ });
+
+ },
+
+ /**
+ * Override the base drawDataLabels method by pie specific functionality
+ */
+ drawDataLabels: function () {
+ var series = this,
+ data = series.data,
+ point,
+ chart = series.chart,
+ options = series.options.dataLabels,
+ connectorPadding = pick(options.connectorPadding, 10),
+ connectorWidth = pick(options.connectorWidth, 1),
+ connector,
+ connectorPath,
+ softConnector = pick(options.softConnector, true),
+ distanceOption = options.distance,
+ seriesCenter = series.center,
+ radius = seriesCenter[2] / 2,
+ centerY = seriesCenter[1],
+ outside = distanceOption > 0,
+ dataLabel,
+ labelPos,
+ labelHeight,
+ halves = [// divide the points into right and left halves for anti collision
+ [], // right
+ [] // left
+ ],
+ x,
+ y,
+ visibility,
+ rankArr,
+ sort,
+ i = 2,
+ j;
+
+ // get out if not enabled
+ if (!options.enabled) {
+ return;
+ }
+
+ // run parent method
+ Series.prototype.drawDataLabels.apply(series);
+
+ // arrange points for detection collision
+ each(data, function (point) {
+ if (point.dataLabel) { // it may have been cancelled in the base method (#407)
+ halves[
+ point.labelPos[7] < mathPI / 2 ? 0 : 1
+ ].push(point);
+ }
+ });
+ halves[1].reverse();
+
+ // define the sorting algorithm
+ sort = function (a, b) {
+ return b.y - a.y;
+ };
+
+ // assume equal label heights
+ labelHeight = halves[0][0] && halves[0][0].dataLabel && (halves[0][0].dataLabel.getBBox().height || 21); // 21 is for #968
+
+ /* Loop over the points in each half, starting from the top and bottom
+ * of the pie to detect overlapping labels.
+ */
+ while (i--) {
+
+ var slots = [],
+ slotsLength,
+ usedSlots = [],
+ points = halves[i],
+ pos,
+ length = points.length,
+ slotIndex;
+
+ // Only do anti-collision when we are outside the pie and have connectors (#856)
+ if (distanceOption > 0) {
+
+ // build the slots
+ for (pos = centerY - radius - distanceOption; pos <= centerY + radius + distanceOption; pos += labelHeight) {
+ slots.push(pos);
+ // visualize the slot
+ /*
+ var slotX = series.getX(pos, i) + chart.plotLeft - (i ? 100 : 0),
+ slotY = pos + chart.plotTop;
+ if (!isNaN(slotX)) {
+ chart.renderer.rect(slotX, slotY - 7, 100, labelHeight)
+ .attr({
+ 'stroke-width': 1,
+ stroke: 'silver'
+ })
+ .add();
+ chart.renderer.text('Slot '+ (slots.length - 1), slotX, slotY + 4)
+ .attr({
+ fill: 'silver'
+ }).add();
+ }
+ // */
+ }
+ slotsLength = slots.length;
+
+ // if there are more values than available slots, remove lowest values
+ if (length > slotsLength) {
+ // create an array for sorting and ranking the points within each quarter
+ rankArr = [].concat(points);
+ rankArr.sort(sort);
+ j = length;
+ while (j--) {
+ rankArr[j].rank = j;
+ }
+ j = length;
+ while (j--) {
+ if (points[j].rank >= slotsLength) {
+ points.splice(j, 1);
+ }
+ }
+ length = points.length;
+ }
+
+ // The label goes to the nearest open slot, but not closer to the edge than
+ // the label's index.
+ for (j = 0; j < length; j++) {
+
+ point = points[j];
+ labelPos = point.labelPos;
+
+ var closest = 9999,
+ distance,
+ slotI;
+
+ // find the closest slot index
+ for (slotI = 0; slotI < slotsLength; slotI++) {
+ distance = mathAbs(slots[slotI] - labelPos[1]);
+ if (distance < closest) {
+ closest = distance;
+ slotIndex = slotI;
+ }
+ }
+
+ // if that slot index is closer to the edges of the slots, move it
+ // to the closest appropriate slot
+ if (slotIndex < j && slots[j] !== null) { // cluster at the top
+ slotIndex = j;
+ } else if (slotsLength < length - j + slotIndex && slots[j] !== null) { // cluster at the bottom
+ slotIndex = slotsLength - length + j;
+ while (slots[slotIndex] === null) { // make sure it is not taken
+ slotIndex++;
+ }
+ } else {
+ // Slot is taken, find next free slot below. In the next run, the next slice will find the
+ // slot above these, because it is the closest one
+ while (slots[slotIndex] === null) { // make sure it is not taken
+ slotIndex++;
+ }
+ }
+
+ usedSlots.push({ i: slotIndex, y: slots[slotIndex] });
+ slots[slotIndex] = null; // mark as taken
+ }
+ // sort them in order to fill in from the top
+ usedSlots.sort(sort);
+ }
+
+ // now the used slots are sorted, fill them up sequentially
+ for (j = 0; j < length; j++) {
+
+ var slot, naturalY;
+
+ point = points[j];
+ labelPos = point.labelPos;
+ dataLabel = point.dataLabel;
+ visibility = point.visible === false ? HIDDEN : VISIBLE;
+ naturalY = labelPos[1];
+
+ if (distanceOption > 0) {
+ slot = usedSlots.pop();
+ slotIndex = slot.i;
+
+ // if the slot next to currrent slot is free, the y value is allowed
+ // to fall back to the natural position
+ y = slot.y;
+ if ((naturalY > y && slots[slotIndex + 1] !== null) ||
+ (naturalY < y && slots[slotIndex - 1] !== null)) {
+ y = naturalY;
+ }
+
+ } else {
+ y = naturalY;
+ }
+
+ // get the x - use the natural x position for first and last slot, to prevent the top
+ // and botton slice connectors from touching each other on either side
+ x = options.justify ?
+ seriesCenter[0] + (i ? -1 : 1) * (radius + distanceOption) :
+ series.getX(slotIndex === 0 || slotIndex === slots.length - 1 ? naturalY : y, i);
+
+ // move or place the data label
+ dataLabel
+ .attr({
+ visibility: visibility,
+ align: labelPos[6]
+ })[dataLabel.moved ? 'animate' : 'attr']({
+ x: x + options.x +
+ ({ left: connectorPadding, right: -connectorPadding }[labelPos[6]] || 0),
+ y: y + options.y
+ });
+ dataLabel.moved = true;
+
+ // draw the connector
+ if (outside && connectorWidth) {
+ connector = point.connector;
+
+ connectorPath = softConnector ? [
+ M,
+ x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
+ 'C',
+ x, y, // first break, next to the label
+ 2 * labelPos[2] - labelPos[4], 2 * labelPos[3] - labelPos[5],
+ labelPos[2], labelPos[3], // second break
+ L,
+ labelPos[4], labelPos[5] // base
+ ] : [
+ M,
+ x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
+ L,
+ labelPos[2], labelPos[3], // second break
+ L,
+ labelPos[4], labelPos[5] // base
+ ];
+
+ if (connector) {
+ connector.animate({ d: connectorPath });
+ connector.attr('visibility', visibility);
+
+ } else {
+ point.connector = connector = series.chart.renderer.path(connectorPath).attr({
+ 'stroke-width': connectorWidth,
+ stroke: options.connectorColor || point.color || '#606060',
+ visibility: visibility,
+ zIndex: 3
+ })
+ .translate(chart.plotLeft, chart.plotTop)
+ .add();
+ }
+ }
+ }
+ }
+ },
+
+ /**
+ * Draw point specific tracker objects. Inherit directly from column series.
+ */
+ drawTracker: ColumnSeries.prototype.drawTracker,
+
+ /**
+ * Use a simple symbol from column prototype
+ */
+ drawLegendSymbol: AreaSeries.prototype.drawLegendSymbol,
+
+ /**
+ * Pies don't have point marker symbols
+ */
+ getSymbol: function () {}
+
+};
+PieSeries = extendClass(Series, PieSeries);
+seriesTypes.pie = PieSeries;
+
+
+// global variables
+extend(Highcharts, {
+
+ // Constructors
+ Axis: Axis,
+ CanVGRenderer: CanVGRenderer,
+ Chart: Chart,
+ Color: Color,
+ Legend: Legend,
+ Point: Point,
+ Tick: Tick,
+ Tooltip: Tooltip,
+ Renderer: Renderer,
+ Series: Series,
+ SVGRenderer: SVGRenderer,
+ VMLRenderer: VMLRenderer,
+
+ // Various
+ dateFormat: dateFormat,
+ pathAnim: pathAnim,
+ getOptions: getOptions,
+ hasBidiBug: hasBidiBug,
+ numberFormat: numberFormat,
+ seriesTypes: seriesTypes,
+ setOptions: setOptions,
+ addEvent: addEvent,
+ removeEvent: removeEvent,
+ createElement: createElement,
+ discardElement: discardElement,
+ css: css,
+ each: each,
+ extend: extend,
+ map: map,
+ merge: merge,
+ pick: pick,
+ splat: splat,
+ extendClass: extendClass,
+ pInt: pInt,
+ product: 'Highcharts',
+ version: '2.2.5'
+});
+}());
diff --git a/app/controllers/products_controller.rb b/app/controllers/products_controller.rb
index c6926b8..b93504b 100644
--- a/app/controllers/products_controller.rb
+++ b/app/controllers/products_controller.rb
@@ -1,7 +1,8 @@
class ProductsController < ApplicationController
def index
- @products = Product.includes(:user).all
+ @products = Product.includes(:user).first(20)
+ @sum_price = Product.sum(:price).to_f
end
def create
diff --git a/app/views/products/index.html.erb b/app/views/products/index.html.erb
index 2b450ba..d6700c0 100644
--- a/app/views/products/index.html.erb
+++ b/app/views/products/index.html.erb
@@ -1,5 +1,5 @@
<h2> Products in the market </h2>
-
+<div id="highChartContainer" style="min-width: 400px; height: 400px; margin: 0 auto"></div>
<table>
<tbody>
<tr>
@@ -13,16 +13,74 @@
<tr>
<td><%= product.id %></td>
<td><%= product.name %></td>
- <td>$<%= product.price %></td>
- <td><%= product.user.name if product.user.present? %></td>
- </tr>
+ <td data-product='<%= product.id %>'>$<%= product.price %></td>
+ <td><%= product.user.name if product.user.present? %></td>
+ </tr>
+ <td><%= link_to "+", product_path(product),
+ 'data-price' => product.price,
+ 'data-incr-price' => product.id,
+ :method => :put %></td>
+
+</script>
<% end %>
+
</tbody>
+
</table>
+<script type='text/javascript'>
+ $('[data-incr-price]').on('click', function(e){
+ e.preventDefault();
+ e.stopPropagation();
-
-
-
-
+ url = $(this).attr('href');
+ price = $(this).attr('data-price');
+ newPrice = parseInt(price) + 1;
+
+ $.ajax({ url: url,
+ type: 'put',
+ dataType: 'json',
+ data: { product: {price: newPrice} }
+ }).success(function(data, textStatus, jqXHR) {
+ $('[data-product='+ data.id +']').html("$" + data.price);
+ $('[data-incr-price='+ data.id +']').attr('data-price', data.price);
+ });
+ })
+</script>
+ <script type='text/javascript'>
+ console.log('the number of products is ' + '<%= @products.count %>');
+</script>
+
+
+<a href="#" data-hide-element='chart'>Chart</a>
+<script type='text/javascript'>
+ $('[data-hide-element=chart]').on('click', function(){
+ $('#highChartContainer').toggle()
+ });
+</script>
+<script type='text/javascript'>
+ $(document).ready(function(){
+ chart = new Highcharts.Chart({
+ chart: {
+ renderTo: 'highChartContainer',
+ plotBackgroundColor: null,
+ plotBorderWidth: null,
+ plotShadow: false
+ },
+ title: {
+ text: 'Browser market shares at a specific website, 2010'
+ },
+ series: [{
+ type: 'pie',
+ name: 'Product Share',
+ data:
+ <%=
+ @products.map do |product|
+ [product.name, product.price/@sum_price]
+end.to_json.html_safe
+ %>
+ }]
+ });
+});
+</script>