Moving the OpenLayers.Layer.Google.v2 definition into Google.js so we don't break any custom builds that include just the Google.js script. r=ahocevar (closes #2729)
git-svn-id: http://svn.openlayers.org/trunk/openlayers@10479 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
@@ -7,7 +7,6 @@
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* @requires OpenLayers/Layer/SphericalMercator.js
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* @requires OpenLayers/Layer/EventPane.js
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* @requires OpenLayers/Layer/FixedZoomLevels.js
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* @requires OpenLayers/Layer/Google/v2.js
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*/
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/**
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@@ -419,3 +418,342 @@ OpenLayers.Layer.Google = OpenLayers.Class(
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* {Object} Cache for elements that should only be created once per map.
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*/
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OpenLayers.Layer.Google.cache = {};
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/**
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* Constant: OpenLayers.Layer.Google.v2
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*
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* Mixin providing functionality specific to the Google Maps API v2.
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*/
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OpenLayers.Layer.Google.v2 = {
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/**
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* Property: termsOfUse
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* {DOMElement} Div for Google's copyright and terms of use link
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*/
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termsOfUse: null,
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/**
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* Property: poweredBy
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* {DOMElement} Div for Google's powered by logo and link
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*/
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poweredBy: null,
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/**
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* Property: dragObject
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* {GDraggableObject} Since 2.93, Google has exposed the ability to get
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* the maps GDraggableObject. We can now use this for smooth panning
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*/
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dragObject: null,
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/**
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* Method: loadMapObject
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* Load the GMap and register appropriate event listeners. If we can't
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* load GMap2, then display a warning message.
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*/
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loadMapObject:function() {
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if (!this.type) {
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this.type = G_NORMAL_MAP;
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}
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var mapObject, termsOfUse, poweredBy;
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var cache = OpenLayers.Layer.Google.cache[this.map.id];
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if (cache) {
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// there are already Google layers added to this map
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mapObject = cache.mapObject;
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termsOfUse = cache.termsOfUse;
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poweredBy = cache.poweredBy;
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// increment the layer count
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++cache.count;
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} else {
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// this is the first Google layer for this map
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var container = this.map.viewPortDiv;
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var div = document.createElement("div");
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div.id = this.map.id + "_GMap2Container";
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div.style.position = "absolute";
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div.style.width = "100%";
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div.style.height = "100%";
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container.appendChild(div);
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// create GMap and shuffle elements
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try {
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mapObject = new GMap2(div);
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// move the ToS and branding stuff up to the container div
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termsOfUse = div.lastChild;
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container.appendChild(termsOfUse);
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termsOfUse.style.zIndex = "1100";
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termsOfUse.style.right = "";
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termsOfUse.style.bottom = "";
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termsOfUse.className = "olLayerGoogleCopyright";
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poweredBy = div.lastChild;
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container.appendChild(poweredBy);
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poweredBy.style.zIndex = "1100";
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poweredBy.style.right = "";
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poweredBy.style.bottom = "";
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poweredBy.className = "olLayerGooglePoweredBy gmnoprint";
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} catch (e) {
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throw(e);
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return;
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}
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// cache elements for use by any other google layers added to
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// this same map
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OpenLayers.Layer.Google.cache[this.map.id] = {
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mapObject: mapObject,
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termsOfUse: termsOfUse,
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poweredBy: poweredBy,
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count: 1
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};
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}
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this.mapObject = mapObject;
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this.termsOfUse = termsOfUse;
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this.poweredBy = poweredBy;
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// ensure this layer type is one of the mapObject types
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if (OpenLayers.Util.indexOf(this.mapObject.getMapTypes(),
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this.type) === -1) {
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this.mapObject.addMapType(this.type);
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}
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//since v 2.93 getDragObject is now available.
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if(typeof mapObject.getDragObject == "function") {
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this.dragObject = mapObject.getDragObject();
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} else {
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this.dragPanMapObject = null;
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}
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if(this.isBaseLayer === false) {
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this.setGMapVisibility(this.div.style.display !== "none");
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}
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},
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/**
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* APIMethod: onMapResize
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*/
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onMapResize: function() {
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// workaround for resizing of invisible or not yet fully loaded layers
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// where GMap2.checkResize() does not work. We need to load the GMap
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// for the old div size, then checkResize(), and then call
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// layer.moveTo() to trigger GMap.setCenter() (which will finish
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// the GMap initialization).
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if(this.visibility && this.mapObject.isLoaded()) {
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this.mapObject.checkResize();
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} else {
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if(!this._resized) {
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var layer = this;
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var handle = GEvent.addListener(this.mapObject, "load", function() {
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GEvent.removeListener(handle);
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delete layer._resized;
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layer.mapObject.checkResize();
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layer.moveTo(layer.map.getCenter(), layer.map.getZoom());
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});
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}
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this._resized = true;
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}
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},
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/**
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* Method: setGMapVisibility
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* Display the GMap container and associated elements.
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*
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* Parameters:
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* visible - {Boolean} Display the GMap elements.
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*/
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setGMapVisibility: function(visible) {
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var cache = OpenLayers.Layer.Google.cache[this.map.id];
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if (cache) {
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var container = this.mapObject.getContainer();
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if (visible === true) {
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this.mapObject.setMapType(this.type);
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container.style.display = "";
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this.termsOfUse.style.left = "";
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this.termsOfUse.style.display = "";
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this.poweredBy.style.display = "";
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cache.displayed = this.id;
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} else {
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if (cache.displayed === this.id) {
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delete cache.displayed;
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}
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if (!cache.displayed) {
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container.style.display = "none";
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this.termsOfUse.style.display = "none";
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// move ToU far to the left in addition to setting display
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// to "none", because at the end of the GMap2 load
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// sequence, display: none will be unset and ToU would be
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// visible after loading a map with a google layer that is
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// initially hidden.
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this.termsOfUse.style.left = "-9999px";
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this.poweredBy.style.display = "none";
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}
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}
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}
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},
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/**
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* Method: getMapContainer
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*
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* Returns:
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* {DOMElement} the GMap container's div
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*/
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getMapContainer: function() {
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return this.mapObject.getContainer();
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},
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//
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// TRANSLATION: MapObject Bounds <-> OpenLayers.Bounds
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//
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/**
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* APIMethod: getMapObjectBoundsFromOLBounds
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*
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* Parameters:
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* olBounds - {<OpenLayers.Bounds>}
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*
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* Returns:
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* {Object} A MapObject Bounds, translated from olBounds
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* Returns null if null value is passed in
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*/
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getMapObjectBoundsFromOLBounds: function(olBounds) {
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var moBounds = null;
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if (olBounds != null) {
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var sw = this.sphericalMercator ?
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this.inverseMercator(olBounds.bottom, olBounds.left) :
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new OpenLayers.LonLat(olBounds.bottom, olBounds.left);
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var ne = this.sphericalMercator ?
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this.inverseMercator(olBounds.top, olBounds.right) :
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new OpenLayers.LonLat(olBounds.top, olBounds.right);
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moBounds = new GLatLngBounds(new GLatLng(sw.lat, sw.lon),
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new GLatLng(ne.lat, ne.lon));
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}
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return moBounds;
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},
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/************************************
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* *
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* MapObject Interface Controls *
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* *
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************************************/
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// Get&Set Center, Zoom
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/**
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* APIMethod: setMapObjectCenter
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* Set the mapObject to the specified center and zoom
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*
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* Parameters:
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* center - {Object} MapObject LonLat format
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* zoom - {int} MapObject zoom format
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*/
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setMapObjectCenter: function(center, zoom) {
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this.mapObject.setCenter(center, zoom);
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},
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/**
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* APIMethod: dragPanMapObject
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*
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* Parameters:
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* dX - {Integer}
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* dY - {Integer}
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*/
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dragPanMapObject: function(dX, dY) {
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this.dragObject.moveBy(new GSize(-dX, dY));
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},
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// LonLat - Pixel Translation
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/**
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* APIMethod: getMapObjectLonLatFromMapObjectPixel
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*
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* Parameters:
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* moPixel - {Object} MapObject Pixel format
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*
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* Returns:
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* {Object} MapObject LonLat translated from MapObject Pixel
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*/
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getMapObjectLonLatFromMapObjectPixel: function(moPixel) {
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return this.mapObject.fromContainerPixelToLatLng(moPixel);
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},
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/**
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* APIMethod: getMapObjectPixelFromMapObjectLonLat
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*
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* Parameters:
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* moLonLat - {Object} MapObject LonLat format
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*
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* Returns:
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* {Object} MapObject Pixel transtlated from MapObject LonLat
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*/
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getMapObjectPixelFromMapObjectLonLat: function(moLonLat) {
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return this.mapObject.fromLatLngToContainerPixel(moLonLat);
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},
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// Bounds
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/**
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* APIMethod: getMapObjectZoomFromMapObjectBounds
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*
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* Parameters:
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* moBounds - {Object} MapObject Bounds format
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*
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* Returns:
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* {Object} MapObject Zoom for specified MapObject Bounds
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*/
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getMapObjectZoomFromMapObjectBounds: function(moBounds) {
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return this.mapObject.getBoundsZoomLevel(moBounds);
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},
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/************************************
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* *
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* MapObject Primitives *
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* *
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************************************/
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// LonLat
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/**
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* APIMethod: getMapObjectLonLatFromLonLat
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*
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* Parameters:
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* lon - {Float}
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* lat - {Float}
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*
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* Returns:
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* {Object} MapObject LonLat built from lon and lat params
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*/
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getMapObjectLonLatFromLonLat: function(lon, lat) {
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var gLatLng;
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if(this.sphericalMercator) {
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var lonlat = this.inverseMercator(lon, lat);
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gLatLng = new GLatLng(lonlat.lat, lonlat.lon);
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} else {
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gLatLng = new GLatLng(lat, lon);
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}
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return gLatLng;
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},
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// Pixel
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/**
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* APIMethod: getMapObjectPixelFromXY
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*
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* Parameters:
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* x - {Integer}
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* y - {Integer}
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*
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* Returns:
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* {Object} MapObject Pixel from x and y parameters
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*/
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getMapObjectPixelFromXY: function(x, y) {
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return new GPoint(x, y);
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}
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};
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