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Clean up layer renderers when layers changes

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This commit is contained in:
Tom Payne
2012-07-18 23:37:12 +02:00
parent 376d75ea4f
commit eb43cf14c1
1 changed files with 9 additions and 0 deletions
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9
src/ol/map.js
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@@ -442,12 +442,21 @@ ol.Map.prototype.handleLayersSetAt = function(event) {
/**
*/
ol.Map.prototype.handleLayersChanged = function() {
var layerRenderers = goog.object.getValues(this.layerRenderers);
goog.array.forEach(layerRenderers, function(layerRenderer) {
this.removeLayerRenderer(layerRenderer);
}, this);
this.layerRenderers = {};
if (!goog.isNull(this.layersListenerKeys_)) {
goog.array.forEach(this.layersListenerKeys_, goog.events.unlistenByKey);
this.layersListenerKeys_ = null;
}
var layers = this.getLayers();
if (goog.isDefAndNotNull(layers)) {
goog.array.forEach(layers.getArray(), function(layer) {
var layerRenderer = this.createLayerRenderer(layer);
this.setLayerRenderer(layer, layerRenderer);
}, this);
this.layersListenerKeys_ = [
goog.events.listen(layers, ol.ArrayEventType.INSERT_AT,
this.handleLayersInsertAt, false, this),