Add a seperate method which actually does the formatting in the

MousePosition control in order to allow easier changes in formatting at 
the application level (with less duplication of code). Patch from 
Kleptog, r=me. (Closes #778)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@5906 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/MousePosition.js

@@ -130,6 +130,21 @@ OpenLayers.Control.MousePosition = OpenLayers.Class(OpenLayers.Control, {
             
         }
         
+        var newHtml = this.formatOutput(lonLat);
+
+        if (newHtml != this.element.innerHTML) {
+            this.element.innerHTML = newHtml;
+        }
+    },
+
+    /**
+     * Method: formatOutput
+     * Override to provide custom display output
+     *
+     * Parameters:
+     * lonLat - {<OpenLayers.LonLat>} Location to display
+     */
+    formatOutput: function(lonLat) {
         var digits = parseInt(this.numdigits);
         var newHtml =
             this.prefix +
@@ -137,11 +152,8 @@ OpenLayers.Control.MousePosition = OpenLayers.Class(OpenLayers.Control, {
             this.separator + 
             lonLat.lat.toFixed(digits) +
             this.suffix;
-
-        if (newHtml != this.element.innerHTML) {
-            this.element.innerHTML = newHtml;
-        }
-    },
+        return newHtml;
+     },
 
     /** 
      * Method: setMap