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gmaps.js
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/*!
* GMaps.js v0.2.26
* http://hpneo.github.com/gmaps/
*
* Copyright 2012, Gustavo Leon
* Released under the MIT License.
*/
if(window.google && window.google.maps){
var GMaps = (function(global) {
"use strict";
var doc = document;
var getElementById = function(id, context) {
var ele
if('jQuery' in global && context){
ele = $("#"+id.replace('#', ''), context)[0]
}else{
ele = doc.getElementById(id.replace('#', ''));
};
return ele;
};
var GMaps = function(options) {
var self = this;
window.context_menu = {};
if (typeof(options.el) === 'string' || typeof(options.div) === 'string') {
this.el = getElementById(options.el || options.div, options.context);
} else {
this.el = options.el || options.div;
};
this.el.style.width = options.width || this.el.scrollWidth || this.el.offsetWidth;
this.el.style.height = options.height || this.el.scrollHeight || this.el.offsetHeight;
this.controls = [];
this.overlays = [];
this.layers = []; // array with kml and ft layers, can be as many
this.singleLayers = {}; // object with the other layers, only one per layer
this.markers = [];
this.polylines = [];
this.routes = [];
this.polygons = [];
this.infoWindow = null;
this.overlay_el = null;
this.zoom = options.zoom || 15;
var markerClusterer = options.markerClusterer;
//'Hybrid', 'Roadmap', 'Satellite' or 'Terrain'
var mapType;
if (options.mapType) {
mapType = google.maps.MapTypeId[options.mapType.toUpperCase()];
}
else {
mapType = google.maps.MapTypeId.ROADMAP;
}
var map_center = new google.maps.LatLng(options.lat, options.lng);
delete options.el;
delete options.lat;
delete options.lng;
delete options.mapType;
delete options.width;
delete options.height;
delete options.markerClusterer;
var zoomControlOpt = options.zoomControlOpt || {
style: 'DEFAULT',
position: 'TOP_LEFT'
};
var zoomControl = options.zoomControl || true,
zoomControlStyle = zoomControlOpt.style || 'DEFAULT',
zoomControlPosition = zoomControlOpt.position || 'TOP_LEFT',
panControl = options.panControl || true,
mapTypeControl = options.mapTypeControl || true,
scaleControl = options.scaleControl || true,
streetViewControl = options.streetViewControl || true,
overviewMapControl = overviewMapControl || true;
var map_options = {};
var map_base_options = {
zoom: this.zoom,
center: map_center,
mapTypeId: mapType
};
var map_controls_options = {
panControl: panControl,
zoomControl: zoomControl,
zoomControlOptions: {
style: google.maps.ZoomControlStyle[zoomControlStyle], // DEFAULT LARGE SMALL
position: google.maps.ControlPosition[zoomControlPosition]
},
mapTypeControl: mapTypeControl,
scaleControl: scaleControl,
streetViewControl: streetViewControl,
overviewMapControl: overviewMapControl
}
if(options.disableDefaultUI != true)
map_base_options = extend_object(map_base_options, map_controls_options);
map_options = extend_object(map_base_options, options);
this.map = new google.maps.Map(this.el, map_options);
if(markerClusterer)
this.markerClusterer = markerClusterer.apply(this, [this.map]);
// Context menus
var buildContextMenuHTML = function(control, e) {
var html = '';
var options = window.context_menu[control];
for (var i in options){
if (options.hasOwnProperty(i)){
var option = options[i];
html += '<li><a id="' + control + '_' + i + '" href="#">' +
option.title + '</a></li>';
}
}
if(!getElementById('gmaps_context_menu')) return;
var context_menu_element = getElementById('gmaps_context_menu');
context_menu_element.innerHTML = html;
var context_menu_items = context_menu_element.getElementsByTagName('a');
var context_menu_items_count = context_menu_items.length;
for(var i=0;i<context_menu_items_count;i++){
var context_menu_item = context_menu_items[i];
var assign_menu_item_action = function(ev){
ev.preventDefault();
options[this.id.replace(control + '_', '')].action.apply(self, [e]);
self.hideContextMenu();
};
google.maps.event.clearListeners(context_menu_item, 'click');
google.maps.event.addDomListenerOnce(context_menu_item, 'click', assign_menu_item_action, false);
}
var left = self.el.offsetLeft + e.pixel.x - 15;
var top = self.el.offsetTop + e.pixel.y - 15;
context_menu_element.style.left = left + "px";
context_menu_element.style.top = top + "px";
context_menu_element.style.display = 'block';
};
var buildContextMenu = function(control, e) {
if (control === 'marker') {
e.pixel = {};
var overlay = new google.maps.OverlayView();
overlay.setMap(self.map);
overlay.draw = function() {
var projection = overlay.getProjection();
var position = e.marker.getPosition();
e.pixel = projection.fromLatLngToContainerPixel(position);
buildContextMenuHTML(control, e);
};
}
else {
buildContextMenuHTML(control, e);
}
};
this.setContextMenu = function(options) {
window.context_menu[options.control] = {};
for (var i in options.options){
if (options.options.hasOwnProperty(i)){
var option = options.options[i];
window.context_menu[options.control][option.name] = {
title: option.title,
action: option.action
};
}
}
var ul = doc.createElement('ul');
ul.id = 'gmaps_context_menu';
ul.style.display = 'none';
ul.style.position = 'absolute';
ul.style.minWidth = '100px';
ul.style.background = 'white';
ul.style.listStyle = 'none';
ul.style.padding = '8px';
ul.style.boxShadow = '2px 2px 6px #ccc';
doc.body.appendChild(ul);
var context_menu_element = getElementById('gmaps_context_menu');
google.maps.event.addDomListener(context_menu_element, 'mouseout', function(ev) {
if(!ev.relatedTarget || !this.contains(ev.relatedTarget)){
window.setTimeout(function(){
context_menu_element.style.display = 'none';
}, 400);
}
}, false);
};
this.hideContextMenu = function() {
var context_menu_element = getElementById('gmaps_context_menu');
if(context_menu_element)
context_menu_element.style.display = 'none';
};
//Events
var events_that_hide_context_menu = ['bounds_changed', 'center_changed', 'click', 'dblclick', 'drag', 'dragend', 'dragstart', 'idle', 'maptypeid_changed', 'projection_changed', 'resize', 'tilesloaded', 'zoom_changed'];
var events_that_doesnt_hide_context_menu = ['mousemove', 'mouseout', 'mouseover'];
for (var ev = 0; ev < events_that_hide_context_menu.length; ev++) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
if(e == undefined)
e = this;
if (options[name])
options[name].apply(this, [e]);
self.hideContextMenu();
});
})(this.map, events_that_hide_context_menu[ev]);
}
for (var ev = 0; ev < events_that_doesnt_hide_context_menu.length; ev++) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
if(e == undefined)
e = this;
if (options[name])
options[name].apply(this, [e]);
});
})(this.map, events_that_doesnt_hide_context_menu[ev]);
}
google.maps.event.addListener(this.map, 'rightclick', function(e) {
if (options.rightclick) {
options.rightclick.apply(this, [e]);
}
buildContextMenu('map', e);
});
this.refresh = function() {
google.maps.event.trigger(this.map, 'resize');
};
this.fitZoom = function() {
var latLngs = [];
var markers_length = this.markers.length;
for(var i=0; i < markers_length; i++) {
latLngs.push(this.markers[i].getPosition());
}
this.fitLatLngBounds(latLngs);
};
this.fitLatLngBounds = function(latLngs) {
var total = latLngs.length;
var bounds = new google.maps.LatLngBounds();
for(var i=0; i < total; i++) {
bounds.extend(latLngs[i]);
}
this.map.fitBounds(bounds);
};
// Map methods
this.setCenter = function(lat, lng, callback) {
this.map.panTo(new google.maps.LatLng(lat, lng));
if (callback) {
callback();
}
};
this.getElement = function() {
return this.el;
};
this.zoomIn = function(value) {
this.zoom = this.map.getZoom() + value;
this.map.setZoom(this.zoom);
};
this.zoomOut = function(value) {
this.zoom = this.map.getZoom() - value;
this.map.setZoom(this.zoom);
};
var native_methods = [];
for(var method in this.map){
if(typeof(this.map[method]) == 'function' && !this[method]){
native_methods.push(method);
}
}
for(var i=0; i < native_methods.length; i++){
(function(gmaps, scope, method_name) {
gmaps[method_name] = function(){
return scope[method_name].apply(scope, arguments);
};
})(this, this.map, native_methods[i]);
}
this.createControl = function(options) {
var control = doc.createElement('div');
control.style.cursor = 'pointer';
control.style.fontFamily = 'Arial, sans-serif';
control.style.fontSize = '13px';
control.style.boxShadow = 'rgba(0, 0, 0, 0.398438) 0px 2px 4px';
for(var option in options.style)
control.style[option] = options.style[option];
if(options.id) {
control.id = options.id;
}
if(options.classes) {
control.className = options.classes;
}
if(options.content) {
control.innerHTML = options.content;
}
for (var ev in options.events) {
(function(object, name) {
google.maps.event.addDomListener(object, name, function(){
options.events[name].apply(this, [this]);
});
})(control, ev);
}
control.index = 1;
return control;
};
this.addControl = function(options) {
var position = google.maps.ControlPosition[options.position.toUpperCase()];
delete options.position;
var control = this.createControl(options);
this.controls.push(control);
this.map.controls[position].push(control);
return control;
};
// Markers
this.createMarker = function(options) {
if ((options.hasOwnProperty('lat') && options.hasOwnProperty('lng')) || options.position) {
var self = this;
var details = options.details;
var fences = options.fences;
var outside = options.outside;
var base_options = {
position: new google.maps.LatLng(options.lat, options.lng),
map: null
};
delete options.lat;
delete options.lng;
delete options.fences;
delete options.outside;
var marker_options = extend_object(base_options, options);
var marker = new google.maps.Marker(marker_options);
marker.fences = fences;
if (options.infoWindow) {
marker.infoWindow = new google.maps.InfoWindow(options.infoWindow);
var info_window_events = ['closeclick', 'content_changed', 'domready', 'position_changed', 'zindex_changed'];
for (var ev = 0; ev < info_window_events.length; ev++) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
if (options.infoWindow[name])
options.infoWindow[name].apply(this, [e]);
});
})(marker.infoWindow, info_window_events[ev]);
}
}
var marker_events = ['animation_changed', 'clickable_changed', 'cursor_changed', 'draggable_changed', 'flat_changed', 'icon_changed', 'position_changed', 'shadow_changed', 'shape_changed', 'title_changed', 'visible_changed', 'zindex_changed'];
var marker_events_with_mouse = ['dblclick', 'drag', 'dragend', 'dragstart', 'mousedown', 'mouseout', 'mouseover', 'mouseup'];
for (var ev = 0; ev < marker_events.length; ev++) {
(function(object, name) {
google.maps.event.addListener(object, name, function(){
if (options[name])
options[name].apply(this, [this]);
});
})(marker, marker_events[ev]);
}
for (var ev = 0; ev < marker_events_with_mouse.length; ev++) {
(function(map, object, name) {
google.maps.event.addListener(object, name, function(me){
if(!me.pixel){
me.pixel = map.getProjection().fromLatLngToPoint(me.latLng)
}
if (options[name])
options[name].apply(this, [me]);
});
})(this.map, marker, marker_events_with_mouse[ev]);
}
google.maps.event.addListener(marker, 'click', function() {
this.details = details;
if (options.click) {
options.click.apply(this, [this]);
}
if (marker.infoWindow) {
self.hideInfoWindows();
marker.infoWindow.open(self.map, marker);
}
});
if (options.dragend || marker.fences) {
google.maps.event.addListener(marker, 'dragend', function() {
if (marker.fences) {
self.checkMarkerGeofence(marker, function(m, f) {
outside(m, f);
});
}
});
}
return marker;
}
else {
throw 'No latitude or longitude defined';
}
};
this.addMarker = function(options) {
var marker;
if(options.hasOwnProperty('gm_accessors_')) {
// Native google.maps.Marker object
marker = options;
}
else {
if ((options.hasOwnProperty('lat') && options.hasOwnProperty('lng')) || options.position) {
marker = this.createMarker(options);
}
else {
throw 'No latitude or longitude defined';
}
}
marker.setMap(this.map);
if(this.markerClusterer)
this.markerClusterer.addMarker(marker);
this.markers.push(marker);
return marker;
};
this.addMarkers = function(array) {
for (var i=0, marker; marker=array[i]; i++) {
this.addMarker(marker);
}
return this.markers;
};
this.hideInfoWindows = function() {
for (var i=0, marker; marker=this.markers[i]; i++){
if (marker.infoWindow){
marker.infoWindow.close();
}
}
};
this.removeMarker = function(marker) {
for(var i=0; i < this.markers.length; i++) {
if(this.markers[i] === marker) {
this.markers[i].setMap(null);
this.markers.splice(i, 1);
break;
}
}
return marker;
};
this.removeMarkers = function(collection) {
var collection = (collection || this.markers);
for(var i=0;i < this.markers.length; i++){
if(this.markers[i] === collection[i])
this.markers[i].setMap(null);
}
var new_markers = [];
for(var i=0;i < this.markers.length; i++){
if(this.markers[i].getMap() != null)
new_markers.push(this.markers[i]);
}
this.markers = new_markers;
};
// Overlays
this.drawOverlay = function(options) {
var overlay = new google.maps.OverlayView();
overlay.setMap(self.map);
var auto_show = true;
if(options.auto_show != null)
auto_show = options.auto_show;
overlay.onAdd = function() {
var el = doc.createElement('div');
el.style.borderStyle = "none";
el.style.borderWidth = "0px";
el.style.position = "absolute";
el.style.zIndex = 100;
el.innerHTML = options.content;
overlay.el = el;
var panes = this.getPanes();
if (!options.layer) {
options.layer = 'overlayLayer';
}
var overlayLayer = panes[options.layer];
overlayLayer.appendChild(el);
var stop_overlay_events = ['contextmenu', 'DOMMouseScroll', 'dblclick', 'mousedown'];
for (var ev = 0; ev < stop_overlay_events.length; ev++) {
(function(object, name) {
google.maps.event.addDomListener(object, name, function(e){
if(navigator.userAgent.toLowerCase().indexOf('msie') != -1 && document.all) {
e.cancelBubble = true;
e.returnValue = false;
}
else {
e.stopPropagation();
}
});
})(el, stop_overlay_events[ev]);
}
google.maps.event.trigger(this, 'ready');
};
overlay.draw = function() {
var projection = this.getProjection();
var pixel = projection.fromLatLngToDivPixel(new google.maps.LatLng(options.lat, options.lng));
options.horizontalOffset = options.horizontalOffset || 0;
options.verticalOffset = options.verticalOffset || 0;
var el = overlay.el;
var content = el.children[0];
var content_height = content.clientHeight;
var content_width = content.clientWidth;
switch (options.verticalAlign) {
case 'top':
el.style.top = (pixel.y - content_height + options.verticalOffset) + 'px';
break;
default:
case 'middle':
el.style.top = (pixel.y - (content_height / 2) + options.verticalOffset) + 'px';
break;
case 'bottom':
el.style.top = (pixel.y + options.verticalOffset) + 'px';
break;
}
switch (options.horizontalAlign) {
case 'left':
el.style.left = (pixel.x - content_width + options.horizontalOffset) + 'px';
break;
default:
case 'center':
el.style.left = (pixel.x - (content_width / 2) + options.horizontalOffset) + 'px';
break;
case 'right':
el.style.left = (pixel.x + options.horizontalOffset) + 'px';
break;
}
el.style.display = auto_show ? 'block' : 'none';
if(!auto_show){
options.show.apply(this, [el]);
}
};
overlay.onRemove = function() {
var el = overlay.el;
if(options.remove){
options.remove.apply(this, [el]);
}
else{
overlay.el.parentNode.removeChild(overlay.el);
overlay.el = null;
}
};
self.overlays.push(overlay);
return overlay;
};
this.removeOverlay = function(overlay) {
overlay.setMap(null);
};
this.removeOverlays = function() {
for (var i=0, item; item=self.overlays[i]; i++){
item.setMap(null);
}
self.overlays = [];
};
this.removePolylines = function() {
for (var i=0, item; item=self.polylines[i]; i++){
item.setMap(null);
}
self.polylines = [];
};
this.drawPolyline = function(options) {
var path = [];
var points = options.path;
if (points.length){
if (points[0][0] === undefined){
path = points;
}
else {
for (var i=0, latlng; latlng=points[i]; i++){
path.push(new google.maps.LatLng(latlng[0], latlng[1]));
}
}
}
var polyline_options = {
map: this.map,
path: path,
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight,
geodesic: options.geodesic,
clickable: true,
editable: false,
visible: true
};
if(options.hasOwnProperty("clickable"))
polyline_options.clickable = options.clickable;
if(options.hasOwnProperty("editable"))
polyline_options.editable = options.editable;
if(options.hasOwnProperty("icons"))
polyline_options.icons = options.icons;
if(options.hasOwnProperty("zIndex"))
polyline_options.zIndex = options.zIndex;
var polyline = new google.maps.Polyline(polyline_options);
var polyline_events = ['click', 'dblclick', 'mousedown', 'mousemove', 'mouseout', 'mouseover', 'mouseup', 'rightclick'];
for (var ev = 0; ev < polyline_events.length; ev++) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
if (options[name])
options[name].apply(this, [e]);
});
})(polyline, polyline_events[ev]);
}
this.polylines.push(polyline);
return polyline;
};
this.drawCircle = function(options) {
options = extend_object({
map: this.map,
center: new google.maps.LatLng(options.lat, options.lng)
}, options);
delete options.lat;
delete options.lng;
var polygon = new google.maps.Circle(options);
var polygon_events = ['click', 'dblclick', 'mousedown', 'mousemove', 'mouseout', 'mouseover', 'mouseup', 'rightclick'];
for (var ev = 0; ev < polygon_events.length; ev++) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
if (options[name])
options[name].apply(this, [e]);
});
})(polygon, polygon_events[ev]);
}
this.polygons.push(polygon);
return polygon;
};
this.drawRectangle = function(options) {
options = extend_object({
map: this.map
}, options);
var latLngBounds = new google.maps.LatLngBounds(
new google.maps.LatLng(options.bounds[0][0], options.bounds[0][1]),
new google.maps.LatLng(options.bounds[1][0], options.bounds[1][1])
);
options.bounds = latLngBounds;
var polygon = new google.maps.Rectangle(options);
var polygon_events = ['click', 'dblclick', 'mousedown', 'mousemove', 'mouseout', 'mouseover', 'mouseup', 'rightclick'];
for (var ev = 0; ev < polygon_events.length; ev++) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
if (options[name])
options[name].apply(this, [e]);
});
})(polygon, polygon_events[ev]);
}
this.polygons.push(polygon);
return polygon;
};
this.drawPolygon = function(options) {
var useGeoJSON = false;
if(options.hasOwnProperty("useGeoJSON"))
useGeoJSON = options.useGeoJSON;
delete options.useGeoJSON;
options = extend_object({
map: this.map
}, options);
if(useGeoJSON == false)
options.paths = [options.paths.slice(0)];
if(options.paths.length > 0) {
if(options.paths[0].length > 0) {
options.paths = array_flat(array_map(options.paths, arrayToLatLng, useGeoJSON));
}
}
var polygon = new google.maps.Polygon(options);
var polygon_events = ['click', 'dblclick', 'mousedown', 'mousemove', 'mouseout', 'mouseover', 'mouseup', 'rightclick'];
for (var ev = 0; ev < polygon_events.length; ev++) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
if (options[name])
options[name].apply(this, [e]);
});
})(polygon, polygon_events[ev]);
}
this.polygons.push(polygon);
return polygon;
};
this.removePolygon = this.removeOverlay;
this.removePolygons = function() {
for (var i=0, item; item=self.polygons[i]; i++){
item.setMap(null);
}
self.polygons = [];
};
this.getFromFusionTables = function(options) {
var events = options.events;
delete options.events;
var fusion_tables_options = options;
var layer = new google.maps.FusionTablesLayer(fusion_tables_options);
for (var ev in events) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
events[name].apply(this, [e]);
});
})(layer, ev);
}
this.layers.push(layer);
return layer;
};
this.loadFromFusionTables = function(options) {
var layer = this.getFromFusionTables(options);
layer.setMap(this.map);
return layer;
};
this.getFromKML = function(options) {
var url = options.url;
var events = options.events;
delete options.url;
delete options.events;
var kml_options = options;
var layer = new google.maps.KmlLayer(url, kml_options);
for (var ev in events) {
(function(object, name) {
google.maps.event.addListener(object, name, function(e){
events[name].apply(this, [e]);
});
})(layer, ev);
}
this.layers.push(layer);
return layer;
};
this.loadFromKML = function(options) {
var layer = this.getFromKML(options);
layer.setMap(this.map);
return layer;
};
// Services
var travelMode, unitSystem;
this.getRoutes = function(options) {
switch (options.travelMode) {
case 'bicycling':
travelMode = google.maps.TravelMode.BICYCLING;
break;
case 'transit':
travelMode = google.maps.TravelMode.TRANSIT;
break;
case 'driving':
travelMode = google.maps.TravelMode.DRIVING;
break;
// case 'walking':
default:
travelMode = google.maps.TravelMode.WALKING;
break;
}
if (options.unitSystem === 'imperial') {
unitSystem = google.maps.UnitSystem.IMPERIAL;
}
else {
unitSystem = google.maps.UnitSystem.METRIC;
}
var base_options = {
avoidHighways: false,
avoidTolls: false,
optimizeWaypoints: false,
waypoints: []
};
var request_options = extend_object(base_options, options);
request_options.origin = new google.maps.LatLng(options.origin[0], options.origin[1]);
request_options.destination = new google.maps.LatLng(options.destination[0], options.destination[1]);
request_options.travelMode = travelMode;
request_options.unitSystem = unitSystem;
delete request_options.callback;
var self = this;
var service = new google.maps.DirectionsService();
service.route(request_options, function(result, status) {
if (status === google.maps.DirectionsStatus.OK) {
for (var r in result.routes) {
if (result.routes.hasOwnProperty(r)) {
self.routes.push(result.routes[r]);
}
}
}
if (options.callback) {
options.callback(self.routes);
}
});
};
this.removeRoutes = function() {
this.routes = [];
};
this.getElevations = function(options) {
options = extend_object({
locations: [],
path : false,
samples : 256
}, options);
if(options.locations.length > 0) {
if(options.locations[0].length > 0) {
options.locations = array_flat(array_map([options.locations], arrayToLatLng, false));
}
}
var callback = options.callback;
delete options.callback;
var service = new google.maps.ElevationService();
//location request
if (!options.path) {
delete options.path;
delete options.samples;
service.getElevationForLocations(options, function(result, status){
if (callback && typeof(callback) === "function") {
callback(result, status);
}
});
//path request
} else {
var pathRequest = {
path : options.locations,
samples : options.samples
};
service.getElevationAlongPath(pathRequest, function(result, status){
if (callback && typeof(callback) === "function") {
callback(result, status);
}
});
}
};
// Alias for the method "drawRoute"
this.cleanRoute = this.removePolylines;
this.drawRoute = function(options) {
var self = this;
this.getRoutes({
origin: options.origin,
destination: options.destination,
travelMode: options.travelMode,
waypoints : options.waypoints,
callback: function(e) {
if (e.length > 0) {
self.drawPolyline({
path: e[e.length - 1].overview_path,
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight