Cope with layers being undefined

This commit is contained in:
Tom Payne
2012-10-04 11:14:46 +02:00
parent 21f8c8f3bd
commit 21ab556d2f
+2
View File
@@ -141,12 +141,14 @@ ol.renderer.Map.prototype.disposeInternal = function() {
*/ */
ol.renderer.Map.prototype.forEachReadyVisibleLayer = function(f, opt_obj) { ol.renderer.Map.prototype.forEachReadyVisibleLayer = function(f, opt_obj) {
var layers = this.map.getLayers(); var layers = this.map.getLayers();
if (goog.isDef(layers)) {
layers.forEach(function(layer, index) { layers.forEach(function(layer, index) {
if (layer.isReady() && layer.getVisible()) { if (layer.isReady() && layer.getVisible()) {
var layerRenderer = this.getLayerRenderer(layer); var layerRenderer = this.getLayerRenderer(layer);
f.call(opt_obj, layer, layerRenderer, index); f.call(opt_obj, layer, layerRenderer, index);
} }
}, this); }, this);
}
}; };