cache

src/L.TimeDimension.layer.wms.picasso.js

 L.TimeDimension.Layer.WMS.Picasso = L.TimeDimension.Layer.WMS.extend({
 
-	
+    initialize: function(layer, options) {
+        L.TimeDimension.Layer.WMS.prototype.initialize.call(this, layer, options);
+        this._refTime = 0;
+    },
     _getCapabilitiesUrl: function() {
         var url = this._baseLayer.getURL();
         if (this._baseLayer.wmsParams.layers) url += this._baseLayer.wmsParams.layers;
@@ -46,6 +49,9 @@ L.TimeDimension.Layer.WMS.Picasso = L.TimeDimension.Layer.WMS.extend({
             if (this._setDefaultTime && this._timeDimension) {
 		       this._timeDimension.setCurrentTime(this._defaultTime);
   	        }        	
+            if (times.length > 0) {
+            	this.fire('metadataload');
+            }
         }).bind(this));
     },
     
@@ -53,6 +59,14 @@ L.TimeDimension.Layer.WMS.Picasso = L.TimeDimension.Layer.WMS.extend({
         this._availableTimes = times;
         this._updateTimeDimensionAvailableTimes();
     },
+    // Player specific function: get available times to be used in player    
+    getPlayerTimes: function() {
+    	return this._availableTimes;	
+    },
+    // Player specific function: should this layer available times be forced over other layers available times in player
+    forcePlayerTimes: function() {
+        return false;
+    },    
 
     _getRefTimeFromCapabilities: function(xml) {
         var layers = $(xml).find('Layer[queryable="0"]');
@@ -105,8 +119,22 @@ L.TimeDimension.Layer.WMS.Picasso = L.TimeDimension.Layer.WMS.extend({
         }
         return times;
     },
+    
+    getEvents : function(){
+        var clearCache = L.bind(this.clear, this);
+        return {
+            moveend: clearCache,
+            zoomend: clearCache
+        }
+    },    
+    clear : function() {
+        for (var prop in this._layers) {    
+        	delete this._layers[prop];
+        }
+    },
+    
     _getLayerForTime: function(time) {
-        if (time == 0 || time == this._defaultTime || time == null) {
+        if (time == 0 || time == this._defaultTime || time == null || this._refTime == 0) {
             return this._baseLayer;
         }
         if (this._layers.hasOwnProperty(time)) {