From 4bb320867ba320c6dbaacee8a5eab534d76d0fc7 Mon Sep 17 00:00:00 2001
From: crschmidt <crschmidt@crschmidt.net>
Date: Thu, 29 Mar 2007 04:43:18 +0000
Subject: [PATCH] "add a destroy() function that cycles through the kept
 references to the buttons and kills their circular refs" to the map object.
 Patch in #578 by euzuro

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2919 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Control/MouseToolbar.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/OpenLayers/Control/MouseToolbar.js b/lib/OpenLayers/Control/MouseToolbar.js
index 25fbfef97e..0baa38b806 100644
--- a/lib/OpenLayers/Control/MouseToolbar.js
+++ b/lib/OpenLayers/Control/MouseToolbar.js
@@ -57,6 +57,19 @@ OpenLayers.Control.MouseToolbar.prototype =
 
         return this.div;
     },
+
+    /**
+     * 
+     */
+    destroy: function() {
+        for( var btnId in this.buttons) {
+            var btn = this.buttons[btnId];
+            btn.map = null;
+            btn.events.destroy();
+        }
+        OpenLayers.Control.MouseDefaults.prototype.destroy.apply(this, 
+                                                                 arguments);
+    },
     
     _addButton:function(id, img, activeImg, xy, sz, title) {
         var imgLocation = OpenLayers.Util.getImagesLocation() + img;