Path handler: create APIFunction from dblclick internals (called finishGeometry) so people can programmatically stop the path handler, r=erilem (closes #2889)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10847 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/Path.js

@@ -276,11 +276,21 @@ OpenLayers.Handler.Path = OpenLayers.Class(OpenLayers.Handler.Point, {
         }
         return true;
     },
+
+    /**
+     * APIMethod: finishGeometry
+     * Finish the geometry and send it back to the control.
+     */
+    finishGeometry: function() {
+        var index = this.line.geometry.components.length - 1;
+        this.line.geometry.removeComponent(this.line.geometry.components[index]);
+        this.removePoint();
+        this.finalize();
+    },
   
     /**
      * Method: dblclick 
-     * Handle double-clicks.  Finish the geometry and send it back
+     * Handle double-clicks.
-     * to the control.
      * 
      * Parameters:
      * evt - {Event} The browser event
@@ -290,10 +300,7 @@ OpenLayers.Handler.Path = OpenLayers.Class(OpenLayers.Handler.Point, {
      */
     dblclick: function(evt) {
         if(!this.freehandMode(evt)) {
-            var index = this.line.geometry.components.length - 1;
+            this.finishGeometry();
-            this.line.geometry.removeComponent(this.line.geometry.components[index]);
-            this.removePoint();
-            this.finalize();
         }
         return false;
     },