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Adding destroy method, as suggested by @bartvde

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This commit is contained in:
ahocevar
2012-11-29 15:33:49 -06:00
parent 80fa251649
commit 9609bb1449
2 changed files with 63 additions and 5 deletions
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49
lib/OpenLayers/TileManager.js
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@@ -170,11 +170,25 @@ OpenLayers.TileManager = OpenLayers.Class({
var layer = evt.layer;
if (layer instanceof OpenLayers.Layer.Grid) {
this.clearTileQueue({object: layer});
layer.events.un({
addtile: this.addTile,
retile: this.clearTileQueue,
scope: this
});
if (layer.events) {
layer.events.un({
addtile: this.addTile,
retile: this.clearTileQueue,
scope: this
});
}
if (layer.grid) {
var i, j, tile;
for (i=layer.grid.length-1; i>=0; --i) {
for (j=layer.grid[i].length-1; j>=0; --j) {
tile = layer.grid[i][j];
this.unloadTile({object: tile});
if (tile.url) {
this.manageTileCache({object: tile});
}
}
}
}
}
},
@@ -322,6 +336,31 @@ OpenLayers.TileManager = OpenLayers.Class({
this.tileQueue.splice(i, 1);
}
}
},
destroy: function() {
window.clearTimeout(this.tileQueueId);
var map = this.map;
if (map.layers) {
for (var i=0, ii=map.layers.length; i<ii; ++i) {
this.removeLayer({layer: map.layers[i]});
}
}
if (map.events) {
map.events.un({
move: this.move,
zoomend: this.zoomEnd,
addlayer: this.addLayer,
removelayer: this.removeLayer,
scope: this
});
}
this.map = null;
this.tileQueue = null;
if (this.tileCache !== OpenLayers.TileManager.prototype.tileCache) {
this.tileCache = null;
this.tileCacheIndex = null;
}
}
});