520 lines
14 KiB
JavaScript
520 lines
14 KiB
JavaScript
mxn.register('google', {
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Mapstraction: {
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init: function(element,api) {
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var me = this;
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if (GMap2) {
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if (GBrowserIsCompatible()) {
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this.maps[api] = new GMap2(element);
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GEvent.addListener(this.maps[api], 'click', function(marker,location) {
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if ( marker && marker.mapstraction_marker ) {
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marker.mapstraction_marker.click.fire();
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}
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else if ( location ) {
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me.click.fire({'location': new mxn.LatLonPoint(location.y, location.x)});
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}
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// If the user puts their own Google markers directly on the map
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// then there is no location and this event should not fire.
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if ( location ) {
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me.clickHandler(location.y,location.x,location,me);
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}
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});
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GEvent.addListener(this.maps[api], 'moveend', function() {
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me.moveendHandler(me);
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me.endPan.fire();
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});
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GEvent.addListener(this.maps[api], 'zoomend', function() {
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me.changeZoom.fire();
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});
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this.loaded[api] = true;
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me.load.fire();
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}
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else {
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alert('browser not compatible with Google Maps');
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}
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}
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else {
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alert(api + ' map script not imported');
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}
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},
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applyOptions: function(){
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var map = this.maps[this.api];
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if(this.options.enableScrollWheelZoom){
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map.enableContinuousZoom();
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map.enableScrollWheelZoom();
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}
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if (this.options.enableDragging) {
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map.enableDragging();
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} else {
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map.disableDragging();
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}
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},
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resizeTo: function(width, height){
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this.currentElement.style.width = width;
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this.currentElement.style.height = height;
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this.maps[this.api].checkResize();
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},
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addControls: function( args ) {
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var map = this.maps[this.api];
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// remove old controls
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if (this.controls) {
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while ((ctl = this.controls.pop())) {
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// Google specific method
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map.removeControl(ctl);
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}
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} else {
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this.controls = [];
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}
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c = this.controls;
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// Google has a combined zoom and pan control.
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if (args.zoom || args.pan) {
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if (args.zoom == 'large'){
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this.addLargeControls();
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} else {
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this.addSmallControls();
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}
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}
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if (args.scale) {
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this.controls.unshift(new GScaleControl());
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map.addControl(this.controls[0]);
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this.addControlsArgs.scale = true;
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}
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if (args.overview) {
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c.unshift(new GOverviewMapControl());
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map.addControl(c[0]);
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this.addControlsArgs.overview = true;
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}
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if (args.map_type) {
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this.addMapTypeControls();
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}
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},
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addSmallControls: function() {
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var map = this.maps[this.api];
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this.controls.unshift(new GSmallMapControl());
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map.addControl(this.controls[0]);
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this.addControlsArgs.zoom = 'small';
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this.addControlsArgs.pan = true;
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},
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addLargeControls: function() {
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var map = this.maps[this.api];
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this.controls.unshift(new GLargeMapControl());
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map.addControl(this.controls[0]);
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this.addControlsArgs.zoom = 'large';
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this.addControlsArgs.pan = true;
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},
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addMapTypeControls: function() {
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var map = this.maps[this.api];
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this.controls.unshift(new GMapTypeControl());
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map.addControl(this.controls[0]);
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this.addControlsArgs.map_type = true;
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},
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setCenterAndZoom: function(point, zoom) {
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var map = this.maps[this.api];
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var pt = point.toProprietary(this.api);
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map.setCenter(pt, zoom);
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},
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addMarker: function(marker, old) {
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var map = this.maps[this.api];
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var gpin = marker.toProprietary(this.api);
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map.addOverlay(gpin);
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GEvent.addListener(gpin, 'infowindowopen', function() {
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marker.openInfoBubble.fire();
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});
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GEvent.addListener(gpin, 'infowindowclose', function() {
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marker.closeInfoBubble.fire();
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});
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return gpin;
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},
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removeMarker: function(marker) {
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var map = this.maps[this.api];
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map.removeOverlay(marker.proprietary_marker);
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},
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removeAllMarkers: function() {
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var map = this.maps[this.api];
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// FIXME: got a feeling this doesn't only delete markers
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map.clearOverlays();
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},
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declutterMarkers: function(opts) {
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throw 'Not implemented';
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},
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addPolyline: function(polyline, old) {
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var map = this.maps[this.api];
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gpolyline = polyline.toProprietary(this.api);
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map.addOverlay(gpolyline);
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return gpolyline;
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},
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removePolyline: function(polyline) {
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var map = this.maps[this.api];
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map.removeOverlay(polyline.proprietary_polyline);
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},
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getCenter: function() {
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var map = this.maps[this.api];
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var pt = map.getCenter();
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var point = new mxn.LatLonPoint(pt.lat(),pt.lng());
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return point;
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},
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setCenter: function(point, options) {
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var map = this.maps[this.api];
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var pt = point.toProprietary(this.api);
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if(options && options.pan) {
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map.panTo(pt);
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}
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else {
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map.setCenter(pt);
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}
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},
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setZoom: function(zoom) {
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var map = this.maps[this.api];
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map.setZoom(zoom);
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},
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getZoom: function() {
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var map = this.maps[this.api];
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return map.getZoom();
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},
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getZoomLevelForBoundingBox: function( bbox ) {
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var map = this.maps[this.api];
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// NE and SW points from the bounding box.
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var ne = bbox.getNorthEast();
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var sw = bbox.getSouthWest();
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var gbox = new GLatLngBounds( sw.toProprietary(this.api), ne.toProprietary(this.api) );
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var zoom = map.getBoundsZoomLevel( gbox );
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return zoom;
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},
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setMapType: function(type) {
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var map = this.maps[this.api];
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switch(type) {
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case mxn.Mapstraction.ROAD:
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map.setMapType(G_NORMAL_MAP);
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break;
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case mxn.Mapstraction.SATELLITE:
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map.setMapType(G_SATELLITE_MAP);
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break;
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case mxn.Mapstraction.HYBRID:
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map.setMapType(G_HYBRID_MAP);
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break;
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default:
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map.setMapType(type || G_NORMAL_MAP);
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}
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},
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getMapType: function() {
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var map = this.maps[this.api];
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var type = map.getCurrentMapType();
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switch(type) {
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case G_NORMAL_MAP:
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return mxn.Mapstraction.ROAD;
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case G_SATELLITE_MAP:
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return mxn.Mapstraction.SATELLITE;
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case G_HYBRID_MAP:
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return mxn.Mapstraction.HYBRID;
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default:
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return null;
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}
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},
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getBounds: function () {
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var map = this.maps[this.api];
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var ne, sw, nw, se;
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var gbox = map.getBounds();
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sw = gbox.getSouthWest();
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ne = gbox.getNorthEast();
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return new mxn.BoundingBox(sw.lat(), sw.lng(), ne.lat(), ne.lng());
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},
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setBounds: function(bounds){
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var map = this.maps[this.api];
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var sw = bounds.getSouthWest();
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var ne = bounds.getNorthEast();
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var gbounds = new GLatLngBounds(new GLatLng(sw.lat,sw.lon),new GLatLng(ne.lat,ne.lon));
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map.setCenter(gbounds.getCenter(), map.getBoundsZoomLevel(gbounds));
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},
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addImageOverlay: function(id, src, opacity, west, south, east, north, oContext) {
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var map = this.maps[this.api];
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map.getPane(G_MAP_MAP_PANE).appendChild(oContext.imgElm);
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this.setImageOpacity(id, opacity);
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this.setImagePosition(id);
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GEvent.bind(map, "zoomend", this, function() {
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this.setImagePosition(id);
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});
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GEvent.bind(map, "moveend", this, function() {
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this.setImagePosition(id);
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});
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},
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setImagePosition: function(id, oContext) {
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var map = this.maps[this.api];
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var topLeftPoint; var bottomRightPoint;
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topLeftPoint = map.fromLatLngToDivPixel( new GLatLng(oContext.latLng.top, oContext.latLng.left) );
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bottomRightPoint = map.fromLatLngToDivPixel( new GLatLng(oContext.latLng.bottom, oContext.latLng.right) );
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oContext.pixels.top = topLeftPoint.y;
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oContext.pixels.left = topLeftPoint.x;
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oContext.pixels.bottom = bottomRightPoint.y;
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oContext.pixels.right = bottomRightPoint.x;
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},
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addOverlay: function(url, autoCenterAndZoom) {
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var map = this.maps[this.api];
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var geoXML = new GGeoXml(url);
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map.addOverlay(geoXML, function() {
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if(autoCenterAndZoom) {
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geoXML.gotoDefaultViewport(map);
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}
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});
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},
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addTileLayer: function(tile_url, opacity, copyright_text, min_zoom, max_zoom, map_type) {
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var copyright = new GCopyright(1, new GLatLngBounds(new GLatLng(-90,-180), new GLatLng(90,180)), 0, "copyleft");
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var copyrightCollection = new GCopyrightCollection(copyright_text);
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copyrightCollection.addCopyright(copyright);
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var tilelayers = [];
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tilelayers[0] = new GTileLayer(copyrightCollection, min_zoom, max_zoom);
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tilelayers[0].isPng = function() {
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return true;
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};
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tilelayers[0].getOpacity = function() {
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return opacity;
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};
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tilelayers[0].getTileUrl = function (a, b) {
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url = tile_url;
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url = url.replace(/\{Z\}/g,b);
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url = url.replace(/\{X\}/g,a.x);
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url = url.replace(/\{Y\}/g,a.y);
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return url;
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};
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if(map_type) {
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var tileLayerOverlay = new GMapType(tilelayers, new GMercatorProjection(19), copyright_text, {
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errorMessage:"More "+copyright_text+" tiles coming soon"
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});
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this.maps[this.api].addMapType(tileLayerOverlay);
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} else {
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tileLayerOverlay = new GTileLayerOverlay(tilelayers[0]);
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this.maps[this.api].addOverlay(tileLayerOverlay);
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}
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this.tileLayers.push( [tile_url, tileLayerOverlay, true] );
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return tileLayerOverlay;
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},
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toggleTileLayer: function(tile_url) {
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for (var f=0; f<this.tileLayers.length; f++) {
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if(this.tileLayers[f][0] == tile_url) {
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if(this.tileLayers[f][2]) {
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this.maps[this.api].removeOverlay(this.tileLayers[f][1]);
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this.tileLayers[f][2] = false;
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}
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else {
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this.maps[this.api].addOverlay(this.tileLayers[f][1]);
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this.tileLayers[f][2] = true;
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}
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}
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}
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},
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getPixelRatio: function() {
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var map = this.maps[this.api];
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var projection = G_NORMAL_MAP.getProjection();
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var centerPoint = map.getCenter();
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var zoom = map.getZoom();
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var centerPixel = projection.fromLatLngToPixel(centerPoint, zoom);
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// distance is the distance in metres for 5 pixels (3-4-5 triangle)
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var distancePoint = projection.fromPixelToLatLng(new GPoint(centerPixel.x + 3, centerPixel.y + 4), zoom);
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//*1000(km to m), /5 (pythag), *2 (radius to diameter)
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return 10000/distancePoint.distanceFrom(centerPoint);
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},
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mousePosition: function(element) {
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var locDisp = document.getElementById(element);
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if (locDisp !== null) {
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var map = this.maps[this.api];
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GEvent.addListener(map, 'mousemove', function (point) {
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var loc = point.lat().toFixed(4) + ' / ' + point.lng().toFixed(4);
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locDisp.innerHTML = loc;
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});
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locDisp.innerHTML = '0.0000 / 0.0000';
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}
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}
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},
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LatLonPoint: {
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toProprietary: function() {
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return new GLatLng(this.lat,this.lon);
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},
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fromProprietary: function(googlePoint) {
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this.lat = googlePoint.lat();
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this.lon = googlePoint.lng();
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}
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},
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Marker: {
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toProprietary: function() {
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var infoBubble, event_action, infoDiv, div;
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var options = {};
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if(this.labelText){
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options.title = this.labelText;
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}
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if(this.iconUrl){
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var icon = new GIcon(G_DEFAULT_ICON, this.iconUrl);
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icon.printImage = icon.mozPrintImage = icon.image;
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if(this.iconSize) {
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icon.iconSize = new GSize(this.iconSize[0], this.iconSize[1]);
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var anchor;
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if(this.iconAnchor) {
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anchor = new GPoint(this.iconAnchor[0], this.iconAnchor[1]);
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}
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else {
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// FIXME: hard-coding the anchor point
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anchor = new GPoint(this.iconSize[0]/2, this.iconSize[1]/2);
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}
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icon.iconAnchor = anchor;
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}
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if(typeof(this.iconShadowUrl) != 'undefined') {
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icon.shadow = this.iconShadowUrl;
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if(this.iconShadowSize) {
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icon.shadowSize = new GSize(this.iconShadowSize[0], this.iconShadowSize[1]);
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}
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} else { // turn off shadow
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icon.shadow = '';
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icon.shadowSize = '';
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}
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if(this.transparent) {
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icon.transparent = this.transparent;
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}
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if(this.imageMap) {
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icon.imageMap = this.imageMap;
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}
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options.icon = icon;
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}
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if(this.draggable){
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options.draggable = this.draggable;
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}
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var gmarker = new GMarker( this.location.toProprietary('google'),options);
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if(this.infoBubble){
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infoBubble = this.infoBubble;
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if(this.hover) {
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event_action = "mouseover";
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}
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else {
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event_action = "click";
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}
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GEvent.addListener(gmarker, event_action, function() {
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gmarker.openInfoWindowHtml(infoBubble, {
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maxWidth: 100
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});
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});
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}
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if(this.hoverIconUrl){
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GEvent.addListener(gmarker, "mouseover", function() {
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gmarker.setImage(this.hoverIconUrl);
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});
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GEvent.addListener(gmarker, "mouseout", function() {
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gmarker.setImage(this.iconUrl);
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});
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}
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if(this.infoDiv){
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infoDiv = this.infoDiv;
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div = this.div;
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if(this.hover) {
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event_action = "mouseover";
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}
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else {
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event_action = "click";
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}
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GEvent.addListener(gmarker, event_action, function() {
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document.getElementById(div).innerHTML = infoDiv;
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});
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}
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return gmarker;
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},
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openBubble: function() {
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var gpin = this.proprietary_marker;
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gpin.openInfoWindowHtml(this.infoBubble);
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},
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hide: function() {
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this.proprietary_marker.hide();
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},
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show: function() {
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this.proprietary_marker.show();
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},
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update: function() {
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point = new mxn.LatLonPoint();
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point.fromGoogle(this.proprietary_marker.getPoint());
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this.location = point;
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}
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},
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Polyline: {
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toProprietary: function() {
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var gpoints = [];
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for (var i = 0, length = this.points.length ; i< length; i++){
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gpoints.push(this.points[i].toProprietary('google'));
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}
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if (this.closed || gpoints[0].equals(gpoints[length-1])) {
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return new GPolygon(gpoints, this.color, this.width, this.opacity, this.fillColor || "#5462E3", this.opacity || "0.3");
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} else {
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return new GPolyline(gpoints, this.color, this.width, this.opacity);
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}
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},
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show: function() {
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throw 'Not implemented';
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},
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hide: function() {
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throw 'Not implemented';
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}
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}
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});
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