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Protect the trigger action of pan control by checking whether

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we were added to a map prior to calling this.map.pan().
This commit is contained in:
Marc Jansen
2012-04-17 21:25:56 +02:00
parent 53ed973eec
commit 56d7cee8cf
1 changed files with 20 additions and 19 deletions
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lib/OpenLayers/Control/Pan.js
+20 -19
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@@ -70,26 +70,27 @@ OpenLayers.Control.Pan = OpenLayers.Class(OpenLayers.Control, {
* Method: trigger * Method: trigger
*/ */
trigger: function(){ trigger: function(){
if (this.map) {
var getSlideFactor = OpenLayers.Function.bind(function (dim) {
return this.slideRatio ?
this.map.getSize()[dim] * this.slideRatio :
this.slideFactor;
}, this);
var getSlideFactor = OpenLayers.Function.bind(function (dim) { switch (this.direction) {
return this.slideRatio ? case OpenLayers.Control.Pan.NORTH:
this.map.getSize()[dim] * this.slideRatio : this.map.pan(0, -getSlideFactor("h"));
this.slideFactor; break;
}, this); case OpenLayers.Control.Pan.SOUTH:
this.map.pan(0, getSlideFactor("h"));
switch (this.direction) { break;
case OpenLayers.Control.Pan.NORTH: case OpenLayers.Control.Pan.WEST:
this.map.pan(0, -getSlideFactor("h")); this.map.pan(-getSlideFactor("w"), 0);
break; break;
case OpenLayers.Control.Pan.SOUTH: case OpenLayers.Control.Pan.EAST:
this.map.pan(0, getSlideFactor("h")); this.map.pan(getSlideFactor("w"), 0);
break; break;
case OpenLayers.Control.Pan.WEST: }
this.map.pan(-getSlideFactor("w"), 0);
break;
case OpenLayers.Control.Pan.EAST:
this.map.pan(getSlideFactor("w"), 0);
break;
} }
}, },