[OpenLayers-Commits] r12305 - sandbox/camptocamp/clientzoom/lib/OpenLayers/Layer

[commits-20090109 at openlayers.org]

Author: erilem
Date: 2011-08-31 11:42:20 -0700 (Wed, 31 Aug 2011)
New Revision: 12305

Modified:
   sandbox/camptocamp/clientzoom/lib/OpenLayers/Layer/Grid.js
Log:
Grid.transformDiv only worked with scale=2, which can be improved

Modified: sandbox/camptocamp/clientzoom/lib/OpenLayers/Layer/Grid.js
===================================================================
--- sandbox/camptocamp/clientzoom/lib/OpenLayers/Layer/Grid.js	2011-08-31 15:08:02 UTC (rev 12304)
+++ sandbox/camptocamp/clientzoom/lib/OpenLayers/Layer/Grid.js	2011-08-31 18:42:20 UTC (rev 12305)
@@ -264,7 +264,6 @@
                 //
                 if (forceReTile || !tilesBounds.containsBounds(bounds, true)) {
                     this.initGriddedTiles(bounds);
-                    this.recenterTiles();
                 } else {
                     this.scheduleMoveGriddedTiles();
                 }
@@ -283,7 +282,6 @@
                 this.div.style.left = '0%';
                 this.div.style.top = '0%';
             }
-
         }
     },
 
@@ -347,21 +345,12 @@
 
         // and translate the layer div as necessary
 
-        this.recenterTiles();
-    },
-
-    /**
-     * Method: rencenterTiles
-     * After scaling the layer div or retiling the tiles aren't correctly
-     * positioned. This function moves the layer div to move the tiles as
-     * appropriate.
-     */
-    recenterTiles: function() {
         var size = this.map.getSize();
-        var origin = this.map.getLayerPxFromViewPortPx(
-            new OpenLayers.Pixel(size.w / 2, size.h / 2));
-        this.div.style.left = -origin.x + '%';
-        this.div.style.top = -origin.y + '%';
+        var x = (size.w / 2) * (scale - 1);
+        var y = (size.h / 2) * (scale - 1);
+
+        this.div.style.left = -x + '%';
+        this.div.style.top = -y + '%';
     },