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Add destroy() to Control.OverviewMap and add a check to map.destroy() to bail if it's already been called (by, say, window.onunload). Fixes #595.

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@2958 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Schuyler Erle
2007-04-01 22:29:25 +00:00
parent 772f87f95e
commit 175f07c403
2 changed files with 45 additions and 0 deletions
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41
lib/OpenLayers/Control/OverviewMap.js
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@@ -77,6 +77,47 @@ OpenLayers.Control.OverviewMap.prototype =
initialize: function(options) {
OpenLayers.Control.prototype.initialize.apply(this, [options]);
},
/**
*
*/
destroy: function() {
this.mapDiv.removeChild(this.extentRectangle);
this.extentRectangle = null;
this.rectEvents.destroy();
this.rectEvents = null;
this.ovmap.destroy();
this.ovmap = null;
this.element.removeChild(this.mapDiv);
this.mapDiv = null;
this.mapDivEvents.destroy();
this.mapDivEvents = null;
this.div.removeChild(this.element);
this.element = null;
this.elementEvents.destroy();
this.elementEvents = null;
if (this.maximizeDiv) {
OpenLayers.Event.stopObservingElement(this.maximizeDiv);
this.div.removeChild(this.maximizeDiv);
this.maximizeDiv = null;
}
if (this.minimizeDiv) {
OpenLayers.Event.stopObservingElement(this.minimizeDiv);
this.div.removeChild(this.minimizeDiv);
this.minimizeDiv = null;
}
this.map.events.unregister('moveend', this, this.update);
this.map.events.unregister("changebaselayer", this,
this.baseLayerDraw);
OpenLayers.Control.prototype.destroy.apply(this, arguments);
},
/**
* @type DOMElement