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ico.js
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ico.js
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/* Ico Graph Prototype/Raphael library
*
* Copyright (c) 2009, Alex R. Young
* Copyright (c) 2009-2012 Reverse Risk
* Copyright (c) 2009-2013 Jean Vincent
*
* Licensed under the MIT license: http://github.com/uiteoi/ico/blob/master/MIT-LICENSE
*/
"use strict";
( function( exports ) {
var Ico = exports.Ico = {
Version: "0.98.26",
extend: function( d, s ) {
for( var p in s ) d[p] = s[p];
return d
}
};
var de = true, ug;
if ( typeof debug === "function" ) {
ug = function( m ) { debug( "Ico, " + m ) };
} else if ( typeof console === "object" && typeof console.log === "function" ) {
ug = function( m ) {
var date = new Date;
console.log(
digits( date.getMinutes(), 2 )
+ ':' + digits( date.getSeconds(), 2 )
+ '.' + digits( date.getMilliseconds(), 3 )
+ ' - ' + "Ico, " + m
);
function digits( n, d ) {
n = "000" + n;
return n.substr( n.length - d );
}
};
} else {
de = false;
}
Ico.extend( Ico, {
isArray: function( v ) { return typeof v === 'object' && v instanceof Array },
Class: {
add_methods: Ico.extend, // could be changed to implement additional features such as $super
create: function( p ) {
var C = function() { this.initialize.apply( this, arguments ) };
C.subclasses = [];
var i = -1;
if ( typeof p === "function" ) {
i += 1;
( C.superclass = p ).subclasses.push( C );
C.prototype = Object.create( p.prototype );
} else {
C.superclass = null;
}
C.prototype.constructor = C;
// Add instance properties and methods
while ( ++i < arguments.length ) Ico.Class.add_methods( C.prototype, arguments[ i ] );
C.prototype.initialize || ( C.prototype.initialize = function() {} );
return C;
}
},
get_style : function( e, p ) {
var v = "";
if ( document.defaultView && document.defaultView.getComputedStyle ) {
v = document.defaultView.getComputedStyle( e, "" ).getPropertyValue( p );
} else if( e.currentStyle ) {
p = p.replace(/\-(\w)/g, function( s, p ){
return p.toUpperCase();
} );
v = e.currentStyle[p];
}
return v;
},
// Element.viewportOffset from Prototype library (last dependency)
// If not available, i.e. when prototype is not installed the only feature that will be disabled
// is the mouse pointer component.
viewport_offset : Element.viewportOffset,
// These helper methods are good candidates for unit testing
significant_digits_round: function( v, significant_digits, f, string ) {
if ( v == 0 || v == Number.NEGATIVE_INFINITY || v == Number.POSITIVE_INFINITY ) return v;
var sign = 1;
if ( v < 0 ) v = -v, sign = -1;
var p10 = Math.floor( Math.log( v ) / Math.LN10 );
if ( p10 < -14 ) return 0; // assume floating point rounding error => was meant to be zero
p10 -= significant_digits - 1;
v = ( f || Math.round )( sign * v / Math.pow( 10, p10 ) );
if ( string && p10 < 0 ) {
v *= sign; // remove sign again
while ( v % 10 == 0 ) {
// remove non-significant zeros 12300 => 123
p10 += 1;
v /= 10;
}
v = '' + v;
var len = v.length + p10;
if ( len <= 0 ) {
// value < 1
return ( sign < 0 ? '-' : '' ) + '0.00000000000000'.substring(0, 2 - len ) + v;
} else if ( p10 < 0 ) {
// value has significant digits on both sides of the point
return ( sign < 0 ? '-' : '' ) + v.substring( 0, len ) + '.' + v.substring( len );
}
// value has no decimals
v *= sign;
}
return v * Math.pow( 10, p10 );
},
root: function( v, p ) {
return Math.floor( Math.log( Math.abs( v ) ) / Math.log( p ) );
}, // root()
svg_path: function( a ) {
var path = '', previous_isNumber = false;
a.forEach( function( v ) {
if ( typeof v === "number" ) {
if ( previous_isNumber ) path += ' ';
path += Math.round( v );
previous_isNumber = true;
} else {
path += v;
previous_isNumber = false;
}
} );
// de&&ug( "svg_path(), path=" + path );
return path;
}, // svg_path()
adjust_min_max: function( min, max ) {
de&&ug( "adjust_min_max(), min: " + min + ", max: " + max );
// Adjust start value to show zero if reasonable (e.g. range > min)
var range = max - min;
if ( range === 0 ) {
min = 0;
if ( max === 0 ) max = 1;
} else if ( range < min ) {
min -= range / 2;
} else if ( min > 0 ) {
min = 0;
} else if ( range < -max ) {
max += range / 2;
} else if ( max < 0 ) {
max = 0;
}
return [min, max];
},
series_min_max: function( series, dont_adjust ) {
de&&ug( "series_min_max: series length: " + series.length );
var u, no_null_values = []
, values = Array.prototype.concat.apply( [], series ).map( function( v ) {
if ( v === u || v === null ) return null;
no_null_values.push( v );
return v
} )
, l = no_null_values.length
;
de&&ug( "series_min_max: no_null_values length: " + l );
var min_max = l ? [
Ico.significant_digits_round( Math.min.apply( Math, no_null_values ), 2, Math.floor ),
Ico.significant_digits_round( Math.max.apply( Math, no_null_values ), 2, Math.ceil )
] : [0, 0];
dont_adjust || ( min_max = Ico.adjust_min_max.apply( Ico, min_max ) );
min_max.push( values );
return min_max;
},
moving_average: function( serie, samples, options ) {
var ma = [], i = -1, j = -1, p;
if ( options && Ico.isArray( p = options.previous_values ) ) {
serie = p.concat( serie );
i += p.length
}
for ( var len = serie.length; ++i < len; ) {
var a = 0;
for ( var k = -1; ++k < samples && i >= k; ) {
a += serie[i - k]
}
ma[++j] = Ico.significant_digits_round( a / k, 3, Math.round, true )
}
return ma;
}
} ); // Ico
Ico.Base = Ico.Class.create( {
initialize: function( element, series, o ) {
de&&ug( "Ico.Base.initialize( " + element + ", " + JSON.stringify( series ) + ", " + JSON.stringify( o ) + " )" );
if ( typeof element == "string" ) element = document.getElementById( element );
this.element = element;
this.series = series || [[0]];
this.set_defaults();
this.set_series();
this.process_options( o );
this.set_raphael( o = this.options );
this.calculate( o );
this.draw( o );
de&&ug( "Ico.Base.initialize(), end" );
return this;
},
set_series: function() {
if ( Ico.isArray( this.series ) ) {
de&&ug( "set_series Array, element 0 is Array:" + Ico.isArray( this.series[0] ) );
if ( ! Ico.isArray( this.series[0] ) ) this.series = [this.series];
} else if ( typeof this.series === "number" ) {
this.series = [[this.series]];
} else {
throw 'Wrong type for series';
}
this.data_samples = Math.max.apply( Math, this.series.map( function(v) { de&&ug( "serie length: " + v.length ); return v.length } ) );
de&&ug( "set_series, data samples: " + this.data_samples );
var min_max = Ico.series_min_max( this.series, true );
this.max = min_max[1];
this.min = min_max[0];
this.all_values = min_max[2];
this.series_shapes = [];
},
set_defaults: function() {
var o = this.options = {
// Canvas dimensions
width: parseInt( this.element.offsetWidth ) -1,
height: parseInt( this.element.offsetHeight ) -1,
// Padding
x_padding_left: 0,
x_padding_right: 0,
y_padding_top: 0,
y_padding_bottom: 0,
// Attributes
color: Ico.get_style( this.element, "color" ),
//color: this.element.getStyle( 'color' ),
mouseover_attributes: { stroke: 'red' },
// Units
units: '',
units_position: 1 // 0 => before value e.g. $34, 1 => after value e.g. 45%.
};
de&&ug( "options: width: " + o.width + ', height: ' + o.height + ', color: ' + o.color );
},
process_options: function( o ) {
de&&ug( "Ico.Base.process_options()" );
var t = this;
o && ( o = Ico.extend( t.options, o ) );
// Set min and max if overriden
if ( typeof( o.min ) != 'undefined' ) t.min = Math.min( t.min, o.min );
if ( typeof( o.max ) != 'undefined' ) t.max = Math.max( t.max, o.max );
t.range = t.max - t.min;
// Set x and y attributes
t.x = { direction: [1, 0], start_offset: 0, width: o.width };
t.y = { direction: [0, -1], start_offset: 0, width: o.height };
t.x.other = t.y; t.y.other = t.x;
t.x.padding = [o.x_padding_left, o.x_padding_right];
t.y.padding = [o.y_padding_top, o.y_padding_bottom];
t.orientation = ( o.orientation || t.orientation || 0 );
t.y_direction = t.orientation? -1 : 1;
// t.graph.x => labels axis; t.graph.y => value labels axis
t.graph = t.orientation? { x: t.y, y: t.x } : { x: t.x, y: t.y };
// Scan components and process their options
t.components = [];
for ( var k in Ico.Component.components ) {
if ( ! Ico.Component.components.hasOwnProperty( k ) ) continue;
var a = t.options[k + '_attributes'], o = t.options[k], v = Ico.Component.components[k];
if ( o === true && a ) o = t.options[k] = a;
if ( o ) {
var layer = v[1];
if ( ! t.components[layer] ) t.components[layer] = [];
try {
t.components[layer].push( t[k] = new (v[0])( t, o ) )
} catch( e ) {
t.error = e;
de&&ug( "process_options(), exception: " + e );
}
}
};
},
get_font: function() {
var o = this.options;
if( this.font ) return this.font;
this.font = {
'font-family': Ico.get_style( this.element, 'font-family' ),
'font-size' : o.font_size || Ico.get_style( this.element, 'font-size' ) || 10,
fill : Ico.get_style( this.element, 'color' ) || '#666',
stroke : 'none'
};
o && Ico.extend( this.font, o );
return this.font
},
set_raphael: function( o ) {
if ( this.paper ) return;
this.paper = Raphael( this.element, o.width, o.height );
this.svg = ! ( this.vml = Raphael.vml );
},
clear: function() {
if ( this.paper ) {
this.components_call( 'clear', this.options );
this.paper.remove();
this.paper = null;
}
return this
},
calculate: function( o ) {
de&&ug( "Ico.Base.calculate()" );
this.paper || this.set_raphael( o );
// component calculations may modify padding to make room for themselves
this.components_call( 'calculate', o );
// calculate graph area dimensions
this.calculate_graph_len( this.graph.x );
this.calculate_graph_len( this.graph.y );
// calculate graph plotting attributes
this.scale = this.y_direction * this.graph.y.len / this.range;
this.graph.x.step = this.graph.x.len / this.label_slots_count();
// calculate start and stop graph canvas coordinates
this.x.start = this.x.padding[0];
this.x.stop = this.x.start + this.x.len;
this.y.stop = this.y.padding[0];
this.y.start = this.y.stop + this.y.len;
},
calculate_graph_len: function( d ) {
d.len = d.width - d.padding[0] - d.padding[1];
},
calculate_bars: function( o ) {
this.bar_width = this.graph.x.step - o.bar_padding;
if ( this.bar_width < 5 ) this.bar_width = 5;
this.graph.x.start_offset = this.y_direction * this.graph.x.step / 2;
this.bar_base = this.graph.y.start - this.scale * (
( this.max <= 0? this.max : 0 ) -
( this.min < 0? this.min : 0 )
)
},
format_value: function( v, p1000 ) {
if ( v != 0 && typeof p1000 !== "number" ) { // !! v can be the string "0"
p1000 = Ico.root( v, 1000 );
p1000 && ( v /= Math.pow( 1000, p1000 ) );
v = Ico.significant_digits_round( v, 3, Math.round, true ).toString()
}
v = '' + v;
p1000 && ( v += ['','k','M','G','T','P','E','Z','Y'][p1000] || 'e' + 3 * p1000 );
var o = this.options;
if ( o.units ) return o.units_position? v + o.units : o.units + v;
return v
},
draw: function( o ) {
de&&ug( "Ico.Base.draw()" );
this.paper || this.set_raphael( o );
this.components_call( 'draw', o );
this.draw_series( o );
return this
},
draw_series: function( o ) {
for ( var i = -1; ++i < this.series.length; ) {
this.series_shapes[i] = {
shape: this.draw_serie( this.series[i], i, o ),
visible: true
}
};
this.highlight && this.draw_highlight(); // make highlight a component
},
get_serie: function( s ) {
s = this.series_shapes[s];
if ( s ) return s;
throw 'Undefined serie';
},
toggle_serie: function( s ) {
( ( s = this.get_serie( s ) ).visible ^= 1 ) && s.shape.show() || s.shape.hide();
},
show_serie: function( s ) {
( s = this.get_serie( s ) ).shape.show();
s.visible = true;
},
hide_serie: function( s ) {
( s = this.get_serie( s ) ).shape.hide();
s.visible = false;
},
components_call: function( f, o ) {
for( var i = -1; ++i < this.components.length; ) {
var layer = this.components[i];
if ( ! layer ) continue;
for( var j = -1; ++j < layer.length; ) {
var c = layer[j];
try {
c[f] && c[f]( c.options, this )
} catch( e ) {
de&&ug( "Ico::Base::components_call(), exception " + e );
this.set_raphael( o )
this.errors = ( this.errors || 0 ) + 1;
this.paper.text( 0, 12 * this.errors, "Error in " + f + "(): " + ( this.error = e ) )
.attr( {
'text-anchor': 'start',
'font-size': 10, fill: 'black', stroke:'none', 'font-family': 'Arial'
}
)
}
}
};
},
plot: function( v ) {
return ( v - this.min ) * this.scale;
},
show_label_onmouseover : function( o, value, attr, serie, i, name ) {
var t = this, v = '';
if ( this.status_bar ) {
if ( ! name ) {
var labels = this.labels, label,
names = this.options.series_names
;
if ( labels && ( labels = labels.options.long_values || labels.options.values ) && ( label = labels[i] ) ) {
v += label + ', '
}
names && ( name = names[serie] );
}
name && ( v += name + ': ' );
v += this.format_value( value );
}
o.node.onmouseout = function() {
t.status_bar && t.status_bar.shape.hide();
o.attr( attr );
};
o.node.onmouseover = function() {
t.status_bar && t.status_bar.shape.attr( { 'text': v } ).show();
o.attr( t.options.mouseover_attributes );
};
}
} );
Ico.SparkLine = Ico.Class.create( Ico.Base, {
process_options: function( o ) {
Ico.Base.prototype.process_options.call( this, o );
this.graph.y.padding[1] += 1;
var highlight = this.options.highlight;
if ( highlight ) {
this.highlight = { index: this.data_samples - 1, color: 'red', radius: 2 };
Ico.extend( this.highlight, highlight == true? {} : highlight );
if ( this.highlight.index == this.data_samples - 1 ) this.graph.x.padding[1] += this.highlight.radius + 1;
}
},
label_slots_count: function() { return this.data_samples - 1 },
draw_serie: function( serie, i, o ) {
var t = this, x = this.x.start + this.x.start_offset, p;
serie.forEach( function( v ) {
p = Ico.svg_path(
[( p ? p + 'L' : 'M' ), x, t.y.start + t.y.start_offset - t.plot( v )]
);
x += t.x.step;
} );
return this.paper.path( p ).attr( { stroke: o.color } );
},
draw_highlight: function() {
var i = this.highlight.index, x = this.x, y = this.y;
this.paper.circle(
Math.round( x.start + x.start_offset + i * x.step ),
Math.round( y.start + y.start_offset - this.plot( this.series[0][i] ) ),
this.highlight.radius
).attr( { stroke: 'none', fill: this.highlight.color } );
}
} );
Ico.SparkBar = Ico.Class.create( Ico.SparkLine, {
label_slots_count: function() { return this.data_samples },
calculate: function( o ) {
Ico.SparkLine.prototype.calculate.call( this, o );
this.calculate_bars( o )
},
draw_serie: function( serie, i, o ) {
var t = this, x = this.x.start + this.x.start_offset, p = '';
serie.forEach( function( v ) {
p += Ico.svg_path( ['M', x, t.bar_base, 'v', - t.scale * v ] );
x += t.x.step;
} )
return this.paper.path( p ).attr( { 'stroke-width': this.graph.x.step, stroke: o.color } );
},
draw_highlight: function() {
var i = this.highlight.index, x = this.x;
this.paper.path( Ico.svg_path( [
'M', x.start + x.start_offset + i * x.step, this.bar_base,
'v', - this.scale * this.series[0][i]
] ) ).attr( { 'stroke-width': this.graph.x.step, stroke: this.highlight.color } );
}
} );
Ico.BulletGraph = Ico.Class.create( Ico.Base, {
set_defaults: function() {
Ico.Base.prototype.set_defaults.call( this );
this.orientation = 1;
Ico.extend( this.options, {
min : 0,
max : 100,
color : '#33e',
graph_background : true
})
},
process_options: function( o ) {
Ico.Base.prototype.process_options.call( this, o );
var t = this.target = { color: '#666', length: 0.8, 'stroke-width' : 2 };
if ( typeof o.target === "number" ) {
t.value = o.target
} else {
Ico.extend( t, o.target || {} );
}
},
label_slots_count: function() { return 1 },
calculate: function( o ) {
Ico.Base.prototype.calculate.call( this, o );
o.bar_padding || ( o.bar_padding = 2 * this.graph.x.len / 3 );
this.calculate_bars( o )
},
draw_series: function( o ) {
var x = this.x.start + this.x.start_offset,
y = this.y.start + this.y.start_offset,
value = this.series[0][0]
;
// this is a bar value => new Ico.Serie.Line(serie).draw()
var a, p = this.series_shapes[0] = this.paper.path( Ico.svg_path(
['M', x - this.plot( value ), y - this.bar_width / 2,
'H', this.bar_base, 'v', this.bar_width,
'H', x - this.plot( value ), 'z']
) ).attr( a = { fill: o.color, 'stroke-width' : 1, stroke: 'none' } );
this.show_label_onmouseover( p, value, a, 0, 0 );
// target should be a component, or might be a graph background option
if ( typeof( this.target.value ) != 'undefined' ) {
var t = this.target, padding = 1 - t.length, y = this.y;
this.paper.path( Ico.svg_path(
['M', x - this.plot( t.value ), y.len * padding / 2, 'v', y.len * ( 1 - padding )]
) ).attr( { stroke: t.color, 'stroke-width' : t['stroke-width'] } )
}
}
} );
Ico.BaseGraph = Ico.Class.create( Ico.Base, {
set_defaults: function() {
Ico.Base.prototype.set_defaults.call( this );
Ico.extend( this.options, {
// Padding options
y_padding_top: 15,
y_padding_bottom: 10,
x_padding_left: 10,
x_padding_right: 10,
// Series options
colors: [], // List of colors for line graphs
series_attributes: [], // List of attributes for lines or bars
// Other options
value_labels: {}, // allow values, labels, false => disable
focus_hint: true,
axis: true
} );
},
process_options: function( options ) {
var t = this, min_max = Ico.adjust_min_max( this.min, this.max );
this.min = min_max[0];
this.max = min_max[1];
// !! process superclass options after min and max adjustments
Ico.Base.prototype.process_options.call( this, options );
// Set default colors[] for individual series
this.series.forEach( function( serie, i ) {
t.options.colors[i] || (
t.options.colors[i] = t.options.color || Raphael.hsb2rgb( Math.random(), 1, .75 ).hex
)
} );
},
draw_serie: function( serie, index, o ) {
var x = this.graph.x.start + this.graph.x.start_offset,
y = this.graph.y.start + this.graph.y.start_offset + this.scale * this.min,
p = this.paper.path(),
path = '',
set = this.paper.set()
;
for( var i = -1; ++i < serie.length; ) {
var v = serie[i];
if ( v == null ) {
this.last = null;
} else {
path += this.draw_value( i, x, y - this.scale * v, v, index, set, o );
}
x += this.y_direction * this.graph.x.step;
};
if ( path != '' ) { // only for line graphs
de&&ug( "draw_serie(), path: " + path );
p.attr( { path: path } ).attr( o.series_attributes[index] ||
{ stroke: o.colors[index], 'stroke-width': o.stroke_width || 3 }
);
set.push( p )
}
return set;
} // draw_serie()
} );
Ico.LineGraph = Ico.Class.create( Ico.BaseGraph, {
set_defaults: function() {
Ico.BaseGraph.prototype.set_defaults.call( this );
Ico.extend( this.options, {
curve_amount: 5, // 0 => disable
dot_radius: 3, // 0 => no dot
dot_attributes: [], // List of attributes for dots
focus_radius: 6, // 0 => disable mouseover action
focus_attributes: { stroke: 'none', 'fill': 'white', 'fill-opacity' : 0 }
}
) },
process_options: function( options ) {
Ico.BaseGraph.prototype.process_options.call( this, options );
var t = this;
this.series.forEach( function( serie, i ) {
var color = t.options.colors[i];
if ( ! t.options.series_attributes[i] ) {
t.options.series_attributes[i] = {
stroke: color, 'stroke-width': 2
};
}
// line dots attribute apply only to line series
if ( ! t.options.dot_attributes[i] ) {
t.options.dot_attributes[i] = {
'stroke-width': 1,
stroke: t.background ? t.background.options.color : color,
fill: color
};
}
} );
},
label_slots_count: function() { return this.data_samples - 1 },
draw_value: function( i, x, y, value, serie, set, o ) {
var radius = o.dot_radius,
focus = o.focus_radius,
t
;
this.orientation && ( t = x, x = y, y = t );
if ( typeof radius == 'object' ) radius = radius[ serie ];
if ( radius ) {
set.push( this.paper.circle( x, y, radius ).attr( o.dot_attributes[ serie ] ) );
}
if ( typeof focus == 'object' ) focus = focus[ serie ];
if ( focus ) {
var a = o.focus_attributes,
c = this.paper.circle( x, y, focus ).attr( a )
;
set.push( c );
this.show_label_onmouseover( c, value, a, serie, i );
}
var p, w = o.curve_amount, last = this.last;
if ( i === 0 || !last ) {
p = ['M', x, y];
} else if ( w ) {
serie = this.series[serie];
// Calculate cubic Bezier control points relative coordinates based on the two previous, current
// and next points
var scale = this.scale * w / 2 / this.graph.x.step,
ym1 = serie[i - 1], ym2 = serie[i - 2], y0 = serie[i], y1 = serie[i + 1],
d0 = [w, ( ym2 !== undefined ? ( ym2 - y0 ) : ( ym1 - y0 ) * 2 ) * scale],
d1 = [w, ( y1 !== undefined ? ( ym1 - y1 ) : ( ym1 - y0 ) * 2 ) * scale]
;
this.orientation && ( d0 = [d0[1], -w], d1 = [d1[0], -w] );
var x0 = last[0] + d0[0], y0 = last[1] + d0[1]
, x1 = x - d1[0], y1 = y - d1[1]
;
// Display control points and lines
if ( o.debug && serie === this.series[0] ) {
var a0 = { 'stroke':'black' }, a1 = { 'stroke':'red' };
this.paper.circle( x0, y0, 1 ).attr( a0 );
this.paper.path( Ico.svg_path( ['M', last[0], last[1], 'L', x0, y0 ] ) ).attr( a0 );
this.paper.circle( x1, y1, 1 ).attr( a1 );
this.paper.path( Ico.svg_path( ['M', x, y, 'L', x1, y1 ] ) ).attr( a1 );
}
p = ["C", x0, y0, x1, y1, x, y];
} else {
p = ['L', x, y];
}
this.last = [x, y];
return Ico.svg_path( p );
} // draw_value()
} );
Ico.BarGraph = Ico.Class.create( Ico.BaseGraph, {
set_defaults: function() {
Ico.BaseGraph.prototype.set_defaults.call( this );
var o = this.options;
o.bar_padding = 5;
o.bars_overlap = 1 / 2;
},
process_options: function( o ) {
Ico.BaseGraph.prototype.process_options.call( this, o );
var t = this; o = t.options;
this.series.forEach( function( serie, i ) {
var a = o.series_attributes;
a[i] || ( a[i] = {
stroke: 'none', 'stroke-width': 2,
gradient: '' + ( t.orientation ? 270 : 0 ) + '-' + o.colors[i] + ':20-#555555'
} );
} );
o.bars_overlap > 1 && ( o.bars_overlap = 1 );
},
calculate: function( o ) {
Ico.BaseGraph.prototype.calculate.call( this, o );
this.calculate_bars( o );
o = this.bars_overlap = o.bars_overlap;
var n = this.series.length
, w = this.bars_width = this.bar_width / ( n - ( n - 1 ) * o )
;
this.bars_step = w * ( 1 - o );
},
label_slots_count: function() { return this.data_samples },
draw_value: function( i, x, y, v, serie, set, o ) {
var a = o.series_attributes[serie],
w = this.bars_width,
b = this.bar_base,
bar
;
if ( Math.abs( y - b ) < 2 ) y = b + ( y >= b ? 2 : -2 );
x += this.bars_step * serie - this.bar_width / 2;
this.show_label_onmouseover( bar = this.paper.path( Ico.svg_path( this.orientation?
['M', y, x, 'H', b, 'v', w, 'H', y, 'z'] :
['M', x, y, 'V', b, 'h', w, 'V', y, 'z']
) ).attr( a ), v, a, serie, i
);
set.push( bar );
return '';
}
} );
Ico.HorizontalBarGraph = Ico.Class.create( Ico.BarGraph, {
set_defaults: function() {
Ico.BarGraph.prototype.set_defaults.call( this );
this.orientation = 1;
}
});
// ----------------
// Chart components
// ----------------
Ico.Component = Ico.Class.create( {
initialize: function( p, o ) {
Ico.extend( this, {
p : p,
graph : p.graph,
x : p.x,
y : p.y,
orientation : p.orientation
} );
if( Ico.isArray( o ) ) o = { values: o };
else if( typeof o === "number" || typeof o === "string" ) o = { value: o };
o = this.options = ( this.defaults ? Ico.extend( this.defaults( p ), o ) : o );
de&&ug( "Ico.Component::initialize(), o: " + JSON.stringify( o ) );
this.process_options && this.process_options( o, p );
}
} );
Ico.Component.components = {};
/*
Ico.Component.Template = Ico.Class.create( Ico.Component, {
defaults: function() { return {} },
process_options: function() {},
calculate: function() {},
draw: function() {},
clear: function() {}
} );
Ico.Component.components.template = [Ico.Component.Template, 0];
*/
Ico.Component.Background = Ico.Class.create( Ico.Component, {
defaults: function() { return { corners: true } },
process_options: function( o ) {
if ( o.color && ! o.attributes ) {
o.attributes = { stroke: 'none', fill: o.color };
}
if ( o.attributes ) o.color = o.attributes.fill;
if ( o.corners === true ) o.corners = Math.round( this.p.options.height / 20 );
},
draw: function( o, p ) {
var O = p.options;
this.shape = p.paper.rect( 0, 0, O.width, O.height, o.corners )
.attr( o.attributes );
}
} );
Ico.Component.components.background = [Ico.Component.Background, 0];
Ico.Component.StatusBar = Ico.Class.create( Ico.Component, {
defaults: function() { return { attributes: { 'text-anchor': 'end' } } },
draw: function( o, p ) {
var O = p.options, y = this.y;
this.shape = p.paper
.text( o.x || O.width - 10, o.y || ( y ? y.padding[0] : O.height ) / 2, '' )
.hide().attr( o.attributes )
;
}
} );
Ico.Component.components.status_bar = [Ico.Component.StatusBar, 2];
Ico.Component.MousePointer = Ico.Class.create( Ico.Component, {
defaults: function() { return { attributes: { stroke: '#666', 'stroke-dasharray': '--' } } },
draw: function( o, p ) {
if ( ! Ico.viewport_offset ) return;
var s = this.shape = p.paper.path().attr( o.attributes ).hide()
, X = this.x, Y = this.y, c = p.element
;
c.onmousemove = function( e ) {
e = e || window.event;
var o = Ico.viewport_offset( c ), x = e.clientX - o[0], y = e.clientY - o[1];
// Google chrome: if the view does not start at 0, 0, there is an offset
// IE: Slow moves
// FF provides the best result with smooth moves
if ( x >= X.start && x <= X.stop && y >= Y.stop && y <= Y.start ) {
s.attr( { path: Ico.svg_path(
[ 'M', X.start, y, 'h', X.len, 'M', x, Y.stop , 'v', Y.len ]
) } ).show();
} else {
s.hide();
}
};
c.onmouseout = function() { s.hide() };
}
} );
Ico.Component.components.mouse_pointer = [Ico.Component.MousePointer, 2];
Ico.Component.GraphBackground = Ico.Class.create( Ico.Component, {
defaults: function() {
return {
key_colors : ['#aaa','#ccc','#eee'], // e.g. bad, satisfactory, and good colors
key_values : [50, 75], // e.g. satisfactory, and good values thresholds
colors_transition : 0 // <= 50 gradient size in percent of each section
};
},
draw: function( o, p ) {
var x = this.x, y = this.y
, r = p.range, t = o.colors_transition / r, u = 100 / r - t
, C = o.key_colors, l = C.length, V = o.key_values, L = V.length
, g = this.orientation ? '0' : '90'
;
l > L + 1 && ( l = L + 1 ); // too many key colors vs key values
for ( var v, a = 0, i = -1; ++i < l; a = v ) {
var s = i < L
, b = s ? v = V[ i ] - p.min : r
, c = '-' + C[ i ] + ':'
;
i && ( g += c + Math.round( a * u + b * t ) );
s && ( g += c + Math.round( a * t + b * u ) );
}
this.shape = p.paper
.rect( x.start, y.stop, x.len, y.len )
.attr( { gradient: g, stroke: 'none' } )
;
}
} );
Ico.Component.components.graph_background = [Ico.Component.GraphBackground, 1];
Ico.Component.Grid = Ico.Class.create( Ico.Component, {
defaults: function() { return { stroke: '#eee', 'stroke-width': 1 } }
} );
Ico.Component.components.grid = [Ico.Component.Grid, 0];
Ico.Component.Labels = Ico.Class.create( Ico.Component, {
defaults: function( p ) {
return {
marker_size: 5 // 0 to disable
, angle: 0 // degrees, clockwise
, add_padding: true
, position: 0 // labels position, 0 => ( left / bottom ), 1 => ( right / top )
// this is under development, so don't use it yet
, grid: p.grid ? p.grid.options : undefined
}
},
process_options: function( o, p ) {
var title = o.title;
Ico.extend( this.font = Ico.extend( {}, p.get_font() ), o.font || {} );
this.markers_attributes = { stroke: this.font.fill, 'stroke-width': 1 };
Ico.extend( this.markers_attributes, o.markers_attributes );
if ( title ) {
this.title = title.value;
Ico.extend( this.title_font = this.font, o.title_font );
}
this.x.angle = 0;
this.y.angle = -90; // default vertical labels angle vs vertical axis
},