Give ReglarPolygon handler a layerOptions config option. p=zanchin, r=me (closes #2755)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10645 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/RegularPolygon.js

@@ -55,6 +55,12 @@ OpenLayers.Handler.RegularPolygon = OpenLayers.Class(OpenLayers.Handler.Drag, {
      */
     snapToggle: 'shiftKey',
     
+    /**
+     * Property: layerOptions
+     * {Object} Any optional properties to be set on the sketch layer.
+     */
+    layerOptions: null,
+
     /**
      * APIProperty: persist
      * {Boolean} Leave the feature rendered until clear is called.  Default
@@ -130,7 +136,9 @@ OpenLayers.Handler.RegularPolygon = OpenLayers.Class(OpenLayers.Handler.Drag, {
      *     cancel callback will receive a geometry.
      */
     initialize: function(control, callbacks, options) {
+        if(!(options && options.layerOptions && options.layerOptions.styleMap)) {
             this.style = OpenLayers.Util.extend(OpenLayers.Feature.Vector.style['default'], {});
+        }
 
         OpenLayers.Handler.prototype.initialize.apply(this,
                                                 [control, callbacks, options]);
@@ -159,14 +167,14 @@ OpenLayers.Handler.RegularPolygon = OpenLayers.Class(OpenLayers.Handler.Drag, {
         var activated = false;
         if(OpenLayers.Handler.prototype.activate.apply(this, arguments)) {
             // create temporary vector layer for rendering geometry sketch
-            var options = {
+            var options = OpenLayers.Util.extend({
                 displayInLayerSwitcher: false,
                 // indicate that the temp vector layer will never be out of range
                 // without this, resolution properties must be specified at the
                 // map-level for this temporary layer to init its resolutions
                 // correctly
                 calculateInRange: OpenLayers.Function.True
-            };
+            }, this.layerOptions);
             this.layer = new OpenLayers.Layer.Vector(this.CLASS_NAME, options);
             this.map.addLayer(this.layer);
             activated = true;