/*!
* GMaps.js
* http://hpneo.github.com/gmaps/
*
* Copyright 2012, Gustavo Leon
* Released under the MIT License.
*/
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.div)=='string'){
this.div = getElementById(options.div, options.context);
}else{this.div = options.div;};
this.div.style.width = this.div.clientWidth || options.width;
this.div.style.height = this.div.clientHeight || options.height;
this.controls = [];
this.overlays = [];
this.layers = [];
this.markers = [];
this.polylines = [];
this.routes = [];
this.polygons = [];
this.infoWindow = null;
this.overlay_div = null;
this.zoom = options.zoom || 15;
//'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.div;
delete options.lat;
delete options.lng;
delete options.mapType;
delete options.width;
delete options.height;
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_base_options = {
zoom: this.zoom,
center: map_center,
mapTypeId: mapType,
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
};
var map_options = extend_object(map_base_options, options);
this.map = new google.maps.Map(this.div, map_options);
// 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 += '
' +
option.title + '';
}
}
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 0) {
if(options.paths[0].length > 0) {
options.paths = array_map(options.paths, arrayToLatLng);
}
}
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.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 '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.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_map(options.locations, arrayToLatLng);
}
}
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);
}
});
}
};
this.removePolylines = function(){
var index;
for(index in this.polylines){
this.polylines[index].setMap(null);
}
this.polylines = [];
}
// 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
});
if (options.callback) {
options.callback(e[e.length - 1]);
}
}
}
});
};
this.travelRoute = function(options) {
if (options.origin && options.destination) {
this.getRoutes({
origin: options.origin,
destination: options.destination,
travelMode: options.travelMode,
waypoints : options.waypoints,
callback: function(e) {
if (e.length > 0 && options.step) {
var route = e[e.length - 1];
if (route.legs.length > 0) {
var steps = route.legs[0].steps;
for (var i=0, step; step=steps[i]; i++) {
step.step_number = i;
options.step(step);
}
}
}
}
});
}
else if (options.route) {
if (options.route.legs.length > 0) {
var steps = options.route.legs[0].steps;
for (var i=0, step; step=steps[i]; i++) {
step.step_number = i;
options.step(step);
}
}
}
};
this.drawSteppedRoute = function(options) {
if (options.origin && options.destination) {
this.getRoutes({
origin: options.origin,
destination: options.destination,
travelMode: options.travelMode,
callback: function(e) {
if (e.length > 0 && options.step) {
var route = e[e.length - 1];
if (route.legs.length > 0) {
var steps = route.legs[0].steps;
for (var i=0, step; step=steps[i]; i++) {
step.step_number = i;
self.drawPolyline({
path: step.path,
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight
});
options.step(step);
}
}
}
}
});
}
else if (options.route) {
if (options.route.legs.length > 0) {
var steps = options.route.legs[0].steps;
for (var i=0, step; step=steps[i]; i++) {
step.step_number = i;
self.drawPolyline({
path: step.path,
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight
});
options.step(step);
}
}
}
};
// Geofence
this.checkGeofence = function(lat, lng, fence) {
return fence.containsLatLng(new google.maps.LatLng(lat, lng));
};
this.checkMarkerGeofence = function(marker, outside_callback) {
if (marker.fences) {
for (var i=0, fence; fence=marker.fences[i]; i++) {
var pos = marker.getPosition();
if (!self.checkGeofence(pos.lat(), pos.lng(), fence)) {
outside_callback(marker, fence);
}
}
}
};
};
GMaps.Route = function(options) {
this.map = options.map;
this.route = options.route;
this.step_count = 0;
this.steps = this.route.legs[0].steps;
this.steps_length = this.steps.length;
this.polyline = this.map.drawPolyline({
path: new google.maps.MVCArray(),
strokeColor: options.strokeColor,
strokeOpacity: options.strokeOpacity,
strokeWeight: options.strokeWeight
}).getPath();
this.back = function() {
if (this.step_count > 0) {
this.step_count--;
var path = this.route.legs[0].steps[this.step_count].path;
for (var p in path){
if (path.hasOwnProperty(p)){
this.polyline.pop();
}
}
}
};
this.forward = function() {
if (this.step_count < this.steps_length) {
var path = this.route.legs[0].steps[this.step_count].path;
for (var p in path){
if (path.hasOwnProperty(p)){
this.polyline.push(path[p]);
}
}
this.step_count++;
}
};
};
// Geolocation (Modern browsers only)
GMaps.geolocate = function(options) {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(function(position) {
options.success(position);
if (options.always) {
options.always();
}
}, function(error) {
options.error(error);
if (options.always) {
options.always();
}
}, options.options);
}
else {
options.not_supported();
if (options.always) {
options.always();
}
}
};
// Geocoding
GMaps.geocode = function(options) {
this.geocoder = new google.maps.Geocoder();
var callback = options.callback;
if (options.lat && options.lng) {
options.latLng = new google.maps.LatLng(options.lat, options.lng);
}
delete options.lat;
delete options.lng;
delete options.callback;
this.geocoder.geocode(options, function(results, status) {
callback(results, status);
});
};
// Static maps
GMaps.staticMapURL = function(options){
var parameters = [];
var data;
var static_root = 'http://maps.googleapis.com/maps/api/staticmap';
if (options.url){
static_root = options.url;
delete options.url;
}
static_root += '?';
var markers = options.markers;
delete options.markers;
if (!markers && options.marker){
markers = [options.marker];
delete options.marker;
}
var polyline = options.polyline;
delete options.polyline;
/** Map options **/
if (options.center){
parameters.push('center=' + options.center);
delete options.center;
}
else if (options.address){
parameters.push('center=' + options.address);
delete options.address;
}
else if (options.lat){
parameters.push(['center=', options.lat, ',', options.lng].join(''));
delete options.lat;
delete options.lng;
}
else if (options.visible){
var visible = encodeURI(options.visible.join('|'));
parameters.push('visible=' + visible);
}
var size = options.size;
if (size){
if (size.join){
size = size.join('x');
}
delete options.size;
}
else {
size = '630x300';
}
parameters.push('size=' + size);
if (!options.zoom){
options.zoom = 15;
}
var sensor = options.hasOwnProperty('sensor') ? !!options.sensor : true;
delete options.sensor;
parameters.push('sensor=' + sensor);
for (var param in options){
if (options.hasOwnProperty(param)){
parameters.push(param + '=' + options[param]);
}
}
/** Markers **/
if (markers){
var marker, loc;
for (var i=0; data=markers[i]; i++){
marker = [];
if (data.size && data.size !== 'normal'){
marker.push('size:' + data.size);
}
else if (data.icon){
marker.push('icon:' + encodeURI(data.icon));
}
if (data.color){
marker.push('color:' + data.color.replace('#', '0x'));
}
if (data.label){
marker.push('label:' + data.label[0].toUpperCase());
}
loc = (data.address ? data.address : data.lat + ',' + data.lng);
if (marker.length || i === 0){
marker.push(loc);
marker = marker.join('|');
parameters.push('markers=' + encodeURI(marker));
}
// New marker without styles
else {
marker = parameters.pop() + encodeURI('|' + loc);
parameters.push(marker);
}
}
}
/** Polylines **/
function parseColor(color, opacity){
if (color[0] === '#'){
color = color.replace('#', '0x');
if (opacity){
opacity = parseFloat(opacity);
opacity = Math.min(1, Math.max(opacity, 0));
if (opacity === 0){
return '0x00000000';
}
opacity = (opacity * 255).toString(16);
if (opacity.length === 1){
opacity += opacity;
}
color = color.slice(0,8) + opacity;
}
}
return color;
}
if (polyline){
data = polyline;
polyline = [];
if (data.strokeWeight){
polyline.push('weight:' + parseInt(data.strokeWeight, 10));
}
if (data.strokeColor){
var color = parseColor(data.strokeColor, data.strokeOpacity);
polyline.push('color:' + color);
}
if (data.fillColor){
var fillcolor = parseColor(data.fillColor, data.fillOpacity);
polyline.push('fillcolor:' + fillcolor);
}
var path = data.path;
if (path.join){
for (var j=0, pos; pos=path[j]; j++){
polyline.push(pos.join(','));
}
}
else {
polyline.push('enc:' + path);
}
polyline = polyline.join('|');
parameters.push('path=' + encodeURI(polyline));
}
parameters = parameters.join('&');
return static_root + parameters;
};
//==========================
// Polygon containsLatLng
// https://github.com/tparkin/Google-Maps-Point-in-Polygon
// Poygon getBounds extension - google-maps-extensions
// http://code.google.com/p/google-maps-extensions/source/browse/google.maps.Polygon.getBounds.js
if (!google.maps.Polygon.prototype.getBounds) {
google.maps.Polygon.prototype.getBounds = function(latLng) {
var bounds = new google.maps.LatLngBounds();
var paths = this.getPaths();
var path;
for (var p = 0; p < paths.getLength(); p++) {
path = paths.getAt(p);
for (var i = 0; i < path.getLength(); i++) {
bounds.extend(path.getAt(i));
}
}
return bounds;
};
}
// Polygon containsLatLng - method to determine if a latLng is within a polygon
google.maps.Polygon.prototype.containsLatLng = function(latLng) {
// Exclude points outside of bounds as there is no way they are in the poly
var bounds = this.getBounds();
if (bounds !== null && !bounds.contains(latLng)) {
return false;
}
// Raycast point in polygon method
var inPoly = false;
var numPaths = this.getPaths().getLength();
for (var p = 0; p < numPaths; p++) {
var path = this.getPaths().getAt(p);
var numPoints = path.getLength();
var j = numPoints - 1;
for (var i = 0; i < numPoints; i++) {
var vertex1 = path.getAt(i);
var vertex2 = path.getAt(j);
if (vertex1.lng() < latLng.lng() && vertex2.lng() >= latLng.lng() || vertex2.lng() < latLng.lng() && vertex1.lng() >= latLng.lng()) {
if (vertex1.lat() + (latLng.lng() - vertex1.lng()) / (vertex2.lng() - vertex1.lng()) * (vertex2.lat() - vertex1.lat()) < latLng.lat()) {
inPoly = !inPoly;
}
}
j = i;
}
}
return inPoly;
};
google.maps.LatLngBounds.prototype.containsLatLng = function(latLng) {
return this.contains(latLng);
};
google.maps.Marker.prototype.setFences = function(fences) {
this.fences = fences;
};
google.maps.Marker.prototype.addFence = function(fence) {
this.fences.push(fence);
};
return GMaps;
}(this));
var arrayToLatLng = function(coords) {
return new google.maps.LatLng(coords[0], coords[1]);
}
var extend_object = function(obj, new_obj) {
if(obj === new_obj) return obj;
for(var name in new_obj){
obj[name] = new_obj[name];
}
return obj;
};
var array_map = function(array, callback) {
if (Array.prototype.map && array.map === Array.prototype.map) {
return array.map(callback);
} else {
var array_return = [];
var array_length = array.length;
for(var i = 0; i < array_length; i++) {
array_return.push(callback(array[i]));
}
return array_return;
}
}