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If Google fails to load before OpenLayers, occasionally dragging is not

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possible with Google, because GMap2 would be undefined when the Google
class is included. So, we put this in a wrapper function, and call it
when you init the layer instead.


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.0@1321 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2006-08-21 19:34:15 +00:00
parent e2378ad68a
commit 39536e788a
1 changed files with 31 additions and 28 deletions
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59
lib/OpenLayers/Layer/Google.js
View File

@@ -2,31 +2,8 @@
* See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
* text of the license. */
if (typeof GMap2 != "undefined") {
/** Hack-on function because GMAPS does not give it to us
*
* @param {GLatLng} gLatLng
*
* @returns A GPoint specifying gLatLng translated into "Container" coords
* @type GPoint
*/
GMap2.prototype.fromLatLngToContainerPixel = function(gLatLng) {
// first we translate into "DivPixel"
var gPoint = this.fromLatLngToDivPixel(gLatLng);
// locate the sliding "Div" div
// it seems like "b" is the main div
var div = this.b.firstChild.firstChild;
// adjust by the offset of "Div" and voila!
gPoint.x += div.offsetLeft;
gPoint.y += div.offsetTop;
return gPoint;
};
}
/**
* @class
@@ -65,7 +42,7 @@ OpenLayers.Layer.Google.prototype =
if (this.maxExtent == null) {
this.maxExtent = new OpenLayers.Bounds(-180, -90, 180, 90);
}
this.addContainerPxFunction();
this.numZoomLevels = this.maxZoomLevel - this.minZoomLevel + 1;
},
@@ -431,8 +408,34 @@ OpenLayers.Layer.Google.prototype =
}
return gLatLngBounds;
},
addContainerPxFunction: function() {
if (typeof GMap2 != "undefined" && !GMap2.fromLatLngToContainerPixel) {
/** Hack-on function because GMAPS does not give it to us
*
* @param {GLatLng} gLatLng
*
* @returns A GPoint specifying gLatLng translated into "Container" coords
* @type GPoint
*/
GMap2.prototype.fromLatLngToContainerPixel = function(gLatLng) {
// first we translate into "DivPixel"
var gPoint = this.fromLatLngToDivPixel(gLatLng);
// locate the sliding "Div" div
// it seems like "b" is the main div
var div = this.b.firstChild.firstChild;
// adjust by the offset of "Div" and voila!
gPoint.x += div.offsetLeft;
gPoint.y += div.offsetTop;
return gPoint;
};
}
},
/** @final @type String */
CLASS_NAME: "OpenLayers.Layer.Google"
});