ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Provide default layer change handlers

Browse Source
This commit is contained in:
Tom Payne
2012-07-13 19:11:01 +02:00
parent d2caf1543f
commit 8ac2cb7103
1 changed files with 22 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/ol/layerrenderer.js
View File

@@ -1,6 +1,8 @@
goog.provide('ol.LayerRenderer'); goog.provide('ol.LayerRenderer');
goog.require('goog.events');
goog.require('ol.Layer'); goog.require('ol.Layer');
goog.require('ol.LayerProperty');
goog.require('ol.Object'); goog.require('ol.Object');
@@ -20,6 +22,14 @@ ol.LayerRenderer = function(layer) {
*/ */
this.layer_ = layer; this.layer_ = layer;
goog.events.listen(this.layer_,
ol.Object.getChangedEventType(ol.LayerProperty.OPACITY),
this.handleLayerOpacityChange, false, this);
goog.events.listen(this.layer_,
ol.Object.getChangedEventType(ol.LayerProperty.VISIBLE),
this.handleLayerVisibleChange, false, this);
}; };
goog.inherits(ol.LayerRenderer, ol.Object); goog.inherits(ol.LayerRenderer, ol.Object);
@@ -30,3 +40,15 @@ goog.inherits(ol.LayerRenderer, ol.Object);
ol.LayerRenderer.prototype.getLayer = function() { ol.LayerRenderer.prototype.getLayer = function() {
return this.layer_; return this.layer_;
}; };
/**
* @protected
*/
ol.LayerRenderer.prototype.handleLayerOpacityChange = goog.nullFunction;
/**
* @protected
*/
ol.LayerRenderer.prototype.handleLayerVisibleChange = goog.nullFunction;