when we destroy a grid layer, destroy all of its tiles

git-svn-id: http://svn.openlayers.org/trunk/openlayers@540 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2006-06-07 16:07:26 +00:00
parent 7e6b3b2a34
commit 85b14a3c93
1 changed files with 10 additions and 0 deletions
--- a/lib/OpenLayers/Layer/Grid.js
+++ b/lib/OpenLayers/Layer/Grid.js
@@ -35,6 +35,16 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
                                            OpenLayers.Layer.Grid.TILE_HEIGHT);
    },

+    /**
+     * 
+     */
+    destroy: function() {
+        this.params = null;
+        this.clearGrid();
+        this.grid = null;
+        OpenLayers.Layer.prototype.destroy.apply(this, arguments); 
+    },
+
    setTileSize: function (size) {
        this.tileSize = size.copyOf();
    },