From de9ae4a5bb6b85ff2083652833e4d6bff8a73be4 Mon Sep 17 00:00:00 2001
From: Schuyler Erle <schuyler@nocat.net>
Date: Fri, 30 Mar 2007 22:03:05 +0000
Subject: [PATCH] Keyboard-related classes get destroy(). Fixes #598. Ba-ding.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2936 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Control/KeyboardDefaults.js | 12 ++++++++++++
 lib/OpenLayers/Handler/Keyboard.js         |  9 +++++++++
 2 files changed, 21 insertions(+)

diff --git a/lib/OpenLayers/Control/KeyboardDefaults.js b/lib/OpenLayers/Control/KeyboardDefaults.js
index f88c0c6191..add0f83bca 100644
--- a/lib/OpenLayers/Control/KeyboardDefaults.js
+++ b/lib/OpenLayers/Control/KeyboardDefaults.js
@@ -23,6 +23,18 @@ OpenLayers.Control.KeyboardDefaults.prototype =
         OpenLayers.Control.prototype.initialize.apply(this, arguments);
     },
     
+    /**
+     * 
+     */
+    destroy: function() {
+        if (this.handler) {
+            this.handler.destroy();
+        }        
+        this.handler = null;
+        
+        OpenLayers.Control.prototype.destroy.apply(this, arguments);
+    },
+    
     /**
      * 
      */
diff --git a/lib/OpenLayers/Handler/Keyboard.js b/lib/OpenLayers/Handler/Keyboard.js
index f3ac2fcaac..bce0f105cc 100644
--- a/lib/OpenLayers/Handler/Keyboard.js
+++ b/lib/OpenLayers/Handler/Keyboard.js
@@ -31,6 +31,15 @@ OpenLayers.Handler.Keyboard.prototype = OpenLayers.Class.inherit( OpenLayers.Han
         // cache the bound event listener method so it can be unobserved later
         this.eventListener = this.handleKeyEvent.bindAsEventListener(this);
     },
+    
+    /**
+     * 
+     */
+    destroy: function() {
+        this.deactivate();
+        this.eventListener = null;
+        OpenLayers.Control.prototype.destroy.apply(this, arguments);
+    },
 
     activate: function() {
         OpenLayers.Handler.prototype.activate.apply(this, arguments);