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trackserver.js
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var Trackserver = (function () {
return {
mapdata: {},
mydata: {},
timer: false,
adminmap: false,
Mapicon: L.CircleMarker.extend({
options: {
radius: 5,
color: "#ffffff",
weight: 2,
opacity: 1,
fillOpacity: 1
}
}),
Trackpoint: L.CircleMarker.extend({
options: {
radius: 5,
color: "#ffffff",
fillColor: "#03f",
weight: 2,
opacity: 1,
fillOpacity: 0.8
}
}),
init: function (mapdata) {
this.mapdata = mapdata;
this.create_maps();
},
get_mydata: function(div_id, track_id, prop) {
if (this.mydata.hasOwnProperty(div_id)) {
if (this.mydata[div_id].hasOwnProperty(track_id)) {
if (this.mydata[div_id][track_id].hasOwnProperty(prop)) {
return this.mydata[div_id][track_id][prop];
}
}
}
return false;
},
set_mydata: function (div_id, track_id, prop, value) {
if (!this.mydata.hasOwnProperty(div_id)) {
this.mydata[div_id] = {};
}
if (!this.mydata[div_id].hasOwnProperty(track_id)) {
this.mydata[div_id][track_id] = {};
}
this.mydata[div_id][track_id][prop] = value;
},
process_data: function (data, options) {
var o = typeof data === 'string' ? JSON.parse(data) : data;
this.set_mydata(options.div_id, options.track_id, 'metadata', o.metadata);
return o.track;
},
get_sorted_keys: function( obj ) {
var keys = [];
for ( var key in obj ) {
if ( obj.hasOwnProperty( key ) ) {
keys.push( key );
}
}
keys.sort();
return keys;
},
toggle_edit: function (div_id) {
editables = this.get_mydata ( div_id, 'all', 'editables' );
for ( var i = 0; i < editables.length; ++i ) {
editables[i].toggleEdit();
}
},
edit_enabled: function(div_id) {
editables = this.get_mydata ( div_id, 'all', 'editables' );
if (editables.length > 0) {
return editables[0].editEnabled();
}
return false;
},
do_draw: function(i, mymapdata) {
var map = mymapdata.map;
var featuregroup = mymapdata.featuregroup;
var div_id = mymapdata.div_id;
var alltracks = this.get_mydata(div_id, 'all', 'alltracksdata');
var track_id;
var _this = this;
track_id = mymapdata.tracks[i].track_id;
// Values that are needed for drawing the track can be passed via layer_options.
// Remember that 'mymapdata' is also available within the layer's on(ready) handler.
var layer_options = {
track_id: track_id,
track_index: i,
old_track: this.get_mydata(div_id, track_id, 'track'),
old_markers: this.get_mydata(div_id, track_id, 'markers'),
}
if (mymapdata.tracks[i].style && !mymapdata.tracks[i].points) {
layer_options.style = mymapdata.tracks[i].style;
}
// Values that are needed in the process_data method can be passed via track_options
var track_options = {
ondata: L.bind( this.process_data, this ),
div_id: div_id,
track_id: track_id,
};
if (mymapdata.tracks[i].points) {
if (mymapdata.tracks[i].style && mymapdata.tracks[i].style.color) {
var pointColor = mymapdata.tracks[i].style.color;
}
else {
pointColor = '#03f';
}
track_options.geometry = 'points';
layer_options.pointToLayer = function(feature, latlng) {
var pointOptions = { fillColor: pointColor };
if ( mymapdata.tracks[i].style && mymapdata.tracks[i].style.weight ) {
pointOptions.radius = mymapdata.tracks[i].style.weight;
}
return new _this.Trackpoint(latlng, pointOptions);
}
}
var customLayer = L.geoJson(null, layer_options);
var track_function, track_ref;
var track_type = mymapdata.tracks[i].track_type;
var follow_id = 0;
if ( track_type == 'polyline' ) {
track_function = omnivore.polyline.parse;
track_ref = alltracks[track_id].track;
}
if ( track_type == 'polylinexhr' ) {
track_function = omnivore.polyline;
track_ref = mymapdata.tracks[i].track_url;
}
if ( track_type == 'geojson' ) {
track_function = omnivore.geojson;
track_ref = mymapdata.tracks[i].track_url;
}
if ( track_type == 'gpx' ) {
track_function = omnivore.gpx;
track_ref = mymapdata.tracks[i].track_url;
track_options = { 'div_id': div_id };
follow_id = 'gpx0';
}
if ( track_type == 'kml' ) {
track_function = omnivore.kml;
track_ref = mymapdata.tracks[i].track_url;
track_options = { 'div_id': div_id };
follow_id = 'kml0';
}
if ( track_type == 'json' ) {
track_function = omnivore.geojson;
track_ref = mymapdata.tracks[i].track_url;
track_options = { 'div_id': div_id };
follow_id = 'json0';
}
// First draw the new track...
var runLayer = track_function(track_ref, track_options, customLayer )
.on ('ready', function (e) {
var track_id = this.options.track_id;
var track_index = this.options.track_index;
var old_track = this.options.old_track;
var old_markers = this.options.old_markers;
var do_markers = mymapdata.tracks[track_index].markers;
var do_points = mymapdata.tracks[track_index].points;
var do_arrows = mymapdata.tracks[track_index].arrows;
var is_live = mymapdata.tracks[track_index].is_live;
var do_follow = mymapdata.tracks[track_index].follow;
var markersize = mymapdata.tracks[track_index].markersize || 5;
// ...and then delete the old one, to prevent flickering
if (old_track) {
featuregroup.removeLayer (old_track);
}
var popup = _this.get_mydata(div_id, 'all', 'errorpopup');
if (popup) {
popup.remove();
}
var layer_ids = _this.get_sorted_keys( this._layers );
var stored_follow_id = _this.get_mydata(div_id, 'all', 'follow_id');
if (do_follow) {
follow_id = track_id;
}
if (stored_follow_id ) {
follow_id = stored_follow_id;
}
var id, layer, start_latlng, end_latlng, start_marker, end_marker, point_layer;
var markers = [];
var editables = [];
var layer_index = 0;
// Get 'start_latlng' and 'end_latlng' for the current track(s). We need
// 'end_latlng' even if we don't draw any markers. The current layer may
// have multiple sub-layers that all represent tracks, for example when
// a GPX with multiple tracks is loaded. We may need to draw markers for
// all of them.
//
// When there are multiple sub-layers, and 'continuous' is true, we want
// markers for layers beyond the first one to be yellow instead of green,
// so we keep an index of layers that represent tracks and only use
// green when this index is 0 (should not happen) or 1.
for ( var i = 0; i < layer_ids.length; ++i ) {
id = layer_ids[i];
layer = this._layers[id];
if ('_latlngs' in layer) {
start_latlng = layer._latlngs[0];
end_latlng = layer._latlngs[ layer._latlngs.length - 1 ];
layer_index++;
editables.push(layer);
}
else if ('_layers' in layer) {
// The _layers object may contain sublayers containing points with a single _latlng. It may
// also contain sublayers that are tracks, with a _latlngs property that is an array. Iterate
// over the object, inspect the sublayers and get the coordinates. We need the first one and the
// last one.
var j=0;
for (var layerid in layer._layers) {
if (layer._layers.hasOwnProperty(layerid)) {
point_layer = layer._layers[layerid];
if (j == 0) {
if ('_latlng' in point_layer) {
start_latlng = point_layer._latlng;
}
else if ( '_latlngs' in point_layer) {
start_latlng = point_layer._latlngs[0];
}
j++;
}
}
}
if ('_latlng' in point_layer) {
end_latlng = point_layer._latlng;
}
else if ( '_latlngs' in point_layer) {
end_latlng = point_layer._latlngs[ point_layer._latlngs.length - 1 ];
}
layer_index++;
//editables.push(point_layer);
}
else {
// No tracks, no points? No markers.
continue;
}
if (do_markers) {
if ((track_index == 0 && layer_index <= 1) || !mymapdata.continuous) {
start_marker_color = '#009c0c'; // green
} else {
start_marker_color = '#ffcf00'; // yellow
}
end_marker_color = '#c30002'; // red
if (do_markers === true || do_markers == 'start') {
start_marker = new _this.Mapicon(start_latlng, { fillColor: start_marker_color, radius: markersize }).addTo(featuregroup);
markers.push(start_marker);
}
if (do_markers === true || do_markers == 'end') {
end_marker = new _this.Mapicon(end_latlng, { fillColor: end_marker_color, radius: markersize, track_id: track_id }).addTo(featuregroup).bringToBack();
if (mymapdata.is_live) {
end_marker.on('click', function(e) {
_this.set_mydata(div_id, 'all', 'follow_id', this.options.track_id);
map.liveUpdateControl.updateNow();
});
if (typeof displayname == 'string') {
var tooltip = end_marker.bindTooltip(displayname);
}
}
markers.push(end_marker);
}
_this.set_mydata(div_id, track_id, 'markers', markers);
if (track_index == 0 && layer_index < 2) {
_this.set_mydata(div_id, 'all', 'first_marker', start_marker);
}
}
if (do_arrows) {
// Draw textPath
let text = ' ➜ ';
//text = ' ➤ ';
layer.setText(text, { repeat: true, offset: 0, attributes: {
'font-size': '14px',
'fill': layer.options.color,
'fill-opacity': layer.options.opacity,
'opacity': layer.options.opacity, // both text and shadow
dy: '5px',
style: 'text-shadow: 1px 1px 0 white, -1px 1px 0 white, 1px -1px 0 white, -1px -1px 0 white, 0px 1px 0 white, 0px -1px 0 white, -1px 0px 0 white, 1px 0px 0 white; -webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none;',
} } );
}
}
// Render live tracks on top
try {
if (is_live) {
this.bringToFront();
} else {
this.bringToBack();
}
}
catch(e) {
console.log(e);
}
// Remove any old markers
if (old_markers) {
for ( var i = 0; i < old_markers.length; ++i ) {
featuregroup.removeLayer( old_markers[i] );
}
}
// Increment the 'ready' counter
var num_ready = _this.get_mydata(div_id, 'all', 'num_ready');
num_ready++;
_this.set_mydata(div_id, 'all', 'num_ready', num_ready);
// Append to the 'editables' list
var oldeditables = _this.get_mydata(div_id, 'all', 'editables');
_this.set_mydata(div_id, 'all', 'editables', oldeditables.concat(editables));
if (do_markers && num_ready == mymapdata.tracks.length) {
var first_marker = _this.get_mydata(div_id, 'all', 'first_marker');
if (first_marker) {
first_marker.bringToFront();
}
if (end_marker) {
end_marker.bringToFront();
}
}
// For live tracks, set the center of the map to the last
// point of the track we are supposed to follow according
// to the 'follow' metadata parameter. For ordinary tracks,
// wait for all tracks to be drawn and then set the
// viewport of the map to contain all of them.
if (mymapdata.is_live) {
if (track_id == follow_id) {
// Center the map on the last point / current position
this._map.setView(end_latlng, this._map.getZoom());
if (mymapdata.infobar) {
if (alltracks && alltracks[track_id]) {
metadata = alltracks[track_id].metadata;
}
else {
metadata = _this.get_mydata(div_id, track_id, 'metadata');
}
infobar_text = mymapdata.infobar_tpl;
infobar_text = infobar_text.replace(/\{lat\}/gi, end_latlng.lat);
infobar_text = infobar_text.replace(/\{lon\}/gi, end_latlng.lng);
infobar_text = infobar_text.replace(/\{timestamp\}/gi, metadata.last_trkpt_time);
infobar_text = infobar_text.replace(/\{altitude\}/gi, parseFloat(metadata.last_trkpt_altitude).toFixed(0));
infobar_text = infobar_text.replace(/\{altitudem\}/gi, parseFloat(metadata.last_trkpt_altitude).toFixed(0));
infobar_text = infobar_text.replace(/\{altitudeft\}/gi, (metadata.last_trkpt_altitude * 3.2808399).toFixed(0));
infobar_text = infobar_text.replace(/\{speedms\}/gi, parseFloat(metadata.last_trkpt_speed_ms).toFixed(0));
infobar_text = infobar_text.replace(/\{speedms1}/gi, parseFloat(metadata.last_trkpt_speed_ms).toFixed(1));
infobar_text = infobar_text.replace(/\{speedms2}/gi, parseFloat(metadata.last_trkpt_speed_ms).toFixed(2));
infobar_text = infobar_text.replace(/\{speedkmh\}/gi, (metadata.last_trkpt_speed_ms * 3.6).toFixed(0));
infobar_text = infobar_text.replace(/\{speedkmh1\}/gi, (metadata.last_trkpt_speed_ms * 3.6).toFixed(1));
infobar_text = infobar_text.replace(/\{speedkmh2\}/gi, (metadata.last_trkpt_speed_ms * 3.6).toFixed(2));
infobar_text = infobar_text.replace(/\{speedmph\}/gi, (metadata.last_trkpt_speed_ms * 2.23693629).toFixed(0));
infobar_text = infobar_text.replace(/\{speedmph1\}/gi, (metadata.last_trkpt_speed_ms * 2.23693629).toFixed(1));
infobar_text = infobar_text.replace(/\{speedmph2\}/gi, (metadata.last_trkpt_speed_ms * 2.23693629).toFixed(2));
infobar_text = infobar_text.replace(/\{distance\}/gi, parseFloat(metadata.distance).toFixed(0));
infobar_text = infobar_text.replace(/\{distancem\}/gi, parseFloat(metadata.distance).toFixed(0));
infobar_text = infobar_text.replace(/\{distancekm\}/gi, (metadata.distance / 1000).toFixed(0));
infobar_text = infobar_text.replace(/\{distancekm1\}/gi, (metadata.distance / 1000).toFixed(1));
infobar_text = infobar_text.replace(/\{distancekm2\}/gi, (metadata.distance / 1000).toFixed(2));
infobar_text = infobar_text.replace(/\{distancemi\}/gi, (metadata.distance / 1609.344).toFixed(0) );
infobar_text = infobar_text.replace(/\{distancemi1\}/gi, (metadata.distance / 1609.344).toFixed(1) );
infobar_text = infobar_text.replace(/\{distancemi2\}/gi, (metadata.distance / 1609.344).toFixed(2) );
infobar_text = infobar_text.replace(/\{distanceyd\}/gi, (metadata.distance * 1.0936133).toFixed(0) );
infobar_text = infobar_text.replace(/\{userid\}/gi, metadata.userid);
infobar_text = infobar_text.replace(/\{userlogin\}/gi, metadata.userlogin);
infobar_text = infobar_text.replace(/\{displayname\}/gi, metadata.displayname);
infobar_text = infobar_text.replace(/\{trackname\}/gi, metadata.trackname);
// Escape HTML entities &, < and >
infobar_text = infobar_text.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
mymapdata.infobar_div.innerHTML = infobar_text;
}
}
} else {
if (num_ready == mymapdata.tracks.length) {
var fitOptions = {};
if (!mymapdata.fit) {
fitOptions = { maxZoom: mymapdata.default_zoom }
}
// or fit the entire collection of tracks on the map
this._map.fitBounds(featuregroup.getBounds(), fitOptions);
}
}
})
.on('error', function(err) {
console.log(err);
var extra = '';
if ( track_type !== 'polyline' && track_type != 'polylinexhr' ) {
extra = track_ref;
}
var str = err.error.status + ' ' + err.error.statusText + ' - ' + extra;
_this.show_popup(mymapdata, "Track could not be loaded:<br />" + str);
this._map.setView(mymapdata.center, this._map.getZoom());
})
/*
.on('click', function(e) {
console.log(e.target.options.track_id);
})
*/
.addTo(featuregroup);
this.set_mydata(div_id, track_id, 'track', runLayer);
// In case of a polyline track, the layer is created synchronously and
// we have to fire the 'ready' event ourselves.
if ( mymapdata.tracks[i].track_type == 'polyline' ) {
runLayer.fire('ready');
}
},
show_popup: function(mymapdata, text) {
var popup = this.get_mydata(mymapdata.div_id, 'all', 'errorpopup');
if ( popup === false ) {
popup = L.popup();
this.set_mydata(mymapdata.div_id, 'all', 'errorpopup', popup);
}
popup.setLatLng(mymapdata.map.getCenter())
.setContent(text)
.openOn(mymapdata.map);
},
draw_tracks: function (mymapdata) {
this.set_mydata(mymapdata.div_id, 'all', 'num_ready', 0);
this.set_mydata(mymapdata.div_id, 'all', 'editables', []);
this.set_mydata(mymapdata.div_id, 'all', 'map', mymapdata.map);
var drawcounter = this.get_mydata(mymapdata.div_id, 'all', 'drawcounter');
this.set_mydata(mymapdata.div_id, 'all', 'drawcounter', drawcounter + 1);
var _this = this;
if ( mymapdata.alltracks ) {
alltracksPromise = new Promise( function(resolve, reject) {
omnivore.xhr(mymapdata.alltracks, function(err,response) {
if (err) {
reject(err);
}
else {
var o = typeof response.responseText === 'string' ? JSON.parse(response.responseText) : response.responseText;
resolve(o);
}
});
});
alltracksPromise.then(function(alltracks) {
_this.set_mydata(mymapdata.div_id, 'all', 'alltracksdata', alltracks);
if (mymapdata.tracks && mymapdata.tracks.length > 0) {
for (var i = 0; i < mymapdata.tracks.length; i++) {
if ( mymapdata.tracks[i].track_type == 'polyline' ) {
if ( mymapdata.tracks[i].track_id in alltracks ) {
if ( alltracks[ mymapdata.tracks[i].track_id ].track.length > 0 ) {
_this.do_draw(i, mymapdata);
}
else {
_this.show_popup(mymapdata, "Track has no locations. Please try again later.");
}
}
else {
_this.show_popup(mymapdata, "Track missing from server response.<br />Please reload the page.");
}
}
}
}
return alltracks;
}, function(err) {
var str = err.status + ' ' + err.statusText + ' - ' + err.responseText;
_this.show_popup(mymapdata, "Tracks could not be loaded:<br />" + str);
});
}
if (mymapdata.tracks && mymapdata.tracks.length > 0) {
for (var i = 0; i < mymapdata.tracks.length; i++) {
// 'polyline' tracks are triggered by the alltracksPromise
if ( mymapdata.tracks[i].track_type == 'polyline' ) { continue; }
// draw the rest the old fashioned way
this.do_draw(i, mymapdata);
}
}
},
// Callback function to update the track.
// Wrapper for 'draw_tracks' that gets its data from the liveupdate object.
update_tracks: function (liveupdate) {
this.draw_tracks(liveupdate.options.mymapdata);
},
create_maps: function () {
var mapdata = this.mapdata;
for (var i = 0; i < mapdata.length; i++) {
var lat = parseFloat (mapdata[i]['default_lat']);
var lon = parseFloat (mapdata[i]['default_lon']);
var zoom = parseInt (mapdata[i]['default_zoom']);
var center = L.latLng(lat, lon);
var mymapdata = mapdata[i];
/*
* The map div in the admin screen is re-used when viewing multiple maps.
* When closing the thickbox, the map object is normally removed and the
* div freed of Leaflet bindings, but just in case something goes wrong
* there, we have a fallback here, that empties the div and sets ._leaflet
* to false, making re-initialization possible.
*/
var container = L.DomUtil.get( mymapdata.div_id );
if (container._leaflet) {
jQuery(container).empty();
container._leaflet = false;
}
// Add a basemap raster or vector tile layer.
if ( mymapdata['profile']['vector'] ) {
var map_layer0 = L.maplibreGL({
style: mymapdata['profile']['tile_url'],
attribution: mymapdata['profile']['attribution'],
minZoom: mymapdata['profile']['min_zoom'],
maxZoom: mymapdata['profile']['max_zoom']
});
} else {
var map_layer0 = L.tileLayer(
mymapdata['profile']['tile_url'], {
attribution: mymapdata['profile']['attribution'],
minZoom: mymapdata['profile']['min_zoom'],
maxZoom: mymapdata['profile']['max_zoom']
}
);
}
var options = {center : center, zoom : zoom, layers: [map_layer0], messagebox: true };
// Make admin map editable
if (mymapdata.div_id == 'tsadminmap') {
options['editOptions'] = { 'skipMiddleMarkers': true };
options['editable'] = true;
}
var map = L.map( mymapdata.div_id, options );
mymapdata.map = map;
mymapdata.center = center;
this.set_mydata( mymapdata.div_id, 'all', 'drawcounter', 0);
// An ugly shortcut to be able to destroy the map in WP admin
if ( mymapdata.div_id == 'tsadminmap' ) {
this.adminmap = map;
}
if (mymapdata.fullscreen) {
L.control.fullscreen().addTo(map);
}
if (mymapdata.tracks && mymapdata.tracks.length > 0) {
// Add a featuregroup to hold the track layers
var featuregroup = L.featureGroup().addTo(map);
mymapdata.featuregroup = featuregroup;
// Load and display the tracks. Use the liveupdate control to do it when appropriate.
if (mymapdata.is_live) {
var mapdivelement = L.DomUtil.get(mymapdata.div_id);
var infobar_container = L.DomUtil.create('div', 'trackserver-infobar-container', mapdivelement);
mymapdata.infobar_div = L.DomUtil.create('div', 'trackserver-infobar', infobar_container);
L.control.liveupdate ({
mymapdata: mymapdata,
update_map: L.bind(this.update_tracks, this)
})
.addTo( map )
.startUpdating();
}
else {
this.draw_tracks(mymapdata);
}
}
else if (!this.adminmap && !mymapdata.quiet) {
var popup = L.popup()
.setLatLng(mymapdata.center)
.setContent(trackserver_i18n['no_tracks_to_display']).openOn(map);
}
}
}
};
})();
// Requires global variable 'trackserver_mapdata' to be set
if (typeof trackserver_mapdata != 'undefined')
{
Trackserver.init( trackserver_mapdata );
}