[fusion-commits] r2373 - trunk/widgets

[svn_fusion at osgeo.org]

Author: madair
Date: 2011-04-25 10:45:44 -0700 (Mon, 25 Apr 2011)
New Revision: 2373

Modified:
   trunk/widgets/Measure.js
Log:
re #443: adds an optional clear button to a toolbar or similar container

Modified: trunk/widgets/Measure.js
===================================================================
--- trunk/widgets/Measure.js	2011-04-15 18:49:32 UTC (rev 2372)
+++ trunk/widgets/Measure.js	2011-04-25 17:45:44 UTC (rev 2373)
@@ -185,13 +185,33 @@
             measure: this.measure,
             scope: this
         });
+        
+        //add in the clear button if required
+        if(json.ClearButtonContainer) {
+          var clearButtonText = json.ClearButtonText? json.ClearButtonText[0] : 'Clear';
+          this.clearButton = new Jx.Button({
+            label: clearButtonText,
+            onClick: OpenLayers.Function.bind(this.clearMeasure, this)
+          }).addTo(json.ClearButtonContainer[0]);
+          this.registerForEvent(Fusion.Event.MEASURE_CLEAR, OpenLayers.Function.bind(this.toggleClearButton, this, false));
+          this.registerForEvent(Fusion.Event.MEASURE_SEGMENT_UPDATE, OpenLayers.Function.bind(this.toggleClearButton, this, true));
+          this.clearButton.setEnabled(false);
+        }
 
         this.getMap().registerForEvent(Fusion.Event.MAP_EXTENTS_CHANGED, OpenLayers.Function.bind(this.extentsChangedCB, this));
         this.getMap().registerForEvent(Fusion.Event.MAP_LOADED, OpenLayers.Function.bind(this.extentsChangedCB, this));
 
     },
+    
+    clearMeasure: function() {
+      this.control.cancel();
+    },
 
-    extentsChangedCB : function() {
+    toggleClearButton: function(enabled) {
+      this.clearButton.setEnabled(enabled);
+    },
+
+    extentsChangedCB: function() {
         var olControl = this.control;
         if(olControl && olControl.active)
         {
@@ -204,7 +224,7 @@
         }
     },
 
-    updateMarkers : function(geom) {
+    updateMarkers: function(geom) {
         var v = geom.getVertices();
         for(var i = 0; i < this.distanceMarkers.length; i++)
         {