Trigger CHANGE event only when required

For example only when layer is both ready and visible.
2013-08-12 11:51:42 +02:00
parent 8b435059f7
commit 88da6da3a7
2 changed files with 35 additions and 2 deletions
@@ -66,6 +66,24 @@ ol.layer.LayerGroup = function(opt_options) {
 goog.inherits(ol.layer.LayerGroup, ol.layer.LayerBase);


+/**
+ * @inheritDoc
+ */
+ol.layer.LayerGroup.prototype.handleLayerChange = function() {
+  if (this.getVisible()) {
+    this.dispatchChangeEvent();
+  }
+};
+
+
+/**
+ * @inheritDoc
+ */
+ol.layer.LayerGroup.prototype.handleLayerVisibleChange = function() {
+  this.dispatchChangeEvent();
+};
+
+
 /**
 * @param {goog.events.Event} event Event.
 * @private