Upgrade to ExtJS 4.0.0 - Released 04/26/2011

[extjs.git] / src / dd / Registry.js

diff --git a/src/dd/Registry.js b/src/dd/Registry.js
index 1be70d4..4458115 100644 (file)
--- a/src/dd/Registry.js
+++ b/src/dd/Registry.js
@@ -1,33 +1,29 @@
-/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
 /**
  * @class Ext.dd.Registry
  * Provides easy access to all drag drop components that are registered on a page.  Items can be retrieved either
  * directly by DOM node id, or by passing in the drag drop event that occurred and looking up the event target.
  * @singleton
  */
-Ext.dd.Registry = function(){
-    var elements = {}; 
-    var handles = {}; 
-    var autoIdSeed = 0;
-
-    var getId = function(el, autogen){
+Ext.define('Ext.dd.Registry', {
+    singleton: true,
+    constructor: function() {
+        this.elements = {}; 
+        this.handles = {}; 
+        this.autoIdSeed = 0;
+    },
+    
+    getId: function(el, autogen){
         if(typeof el == "string"){
             return el;
         }
         var id = el.id;
         if(!id && autogen !== false){
-            id = "extdd-" + (++autoIdSeed);
+            id = "extdd-" + (++this.autoIdSeed);
             el.id = id;
         }
         return id;
-    };
+    },
     
-    return {
     /**
      * Resgister a drag drop element
      * @param {String/HTMLElement} element The id or DOM node to register
@@ -44,84 +40,83 @@ isHandle   True if the element passed in triggers<br />
            dragging itself, else false
 </pre>
      */
-        register : function(el, data){
-            data = data || {};
-            if(typeof el == "string"){
-                el = document.getElementById(el);
-            }
-            data.ddel = el;
-            elements[getId(el)] = data;
-            if(data.isHandle !== false){
-                handles[data.ddel.id] = data;
-            }
-            if(data.handles){
-                var hs = data.handles;
-                for(var i = 0, len = hs.length; i < len; i++){
-                       handles[getId(hs[i])] = data;
-                }
+    register : function(el, data){
+        data = data || {};
+        if (typeof el == "string") {
+            el = document.getElementById(el);
+        }
+        data.ddel = el;
+        this.elements[this.getId(el)] = data;
+        if (data.isHandle !== false) {
+            this.handles[data.ddel.id] = data;
+        }
+        if (data.handles) {
+            var hs = data.handles;
+            for (var i = 0, len = hs.length; i < len; i++) {
+                this.handles[this.getId(hs[i])] = data;
             }
-        },
+        }
+    },
 
     /**
      * Unregister a drag drop element
      * @param {String/HTMLElement} element The id or DOM node to unregister
      */
-        unregister : function(el){
-            var id = getId(el, false);
-            var data = elements[id];
-            if(data){
-                delete elements[id];
-                if(data.handles){
-                    var hs = data.handles;
-                    for(var i = 0, len = hs.length; i < len; i++){
-                       delete handles[getId(hs[i], false)];
-                    }
+    unregister : function(el){
+        var id = this.getId(el, false);
+        var data = this.elements[id];
+        if(data){
+            delete this.elements[id];
+            if(data.handles){
+                var hs = data.handles;
+                for (var i = 0, len = hs.length; i < len; i++) {
+                    delete this.handles[this.getId(hs[i], false)];
                 }
             }
-        },
+        }
+    },
 
     /**
      * Returns the handle registered for a DOM Node by id
      * @param {String/HTMLElement} id The DOM node or id to look up
      * @return {Object} handle The custom handle data
      */
-        getHandle : function(id){
-            if(typeof id != "string"){ // must be element?
-                id = id.id;
-            }
-            return handles[id];
-        },
+    getHandle : function(id){
+        if(typeof id != "string"){ // must be element?
+            id = id.id;
+        }
+        return this.handles[id];
+    },
 
     /**
      * Returns the handle that is registered for the DOM node that is the target of the event
      * @param {Event} e The event
      * @return {Object} handle The custom handle data
      */
-        getHandleFromEvent : function(e){
-            var t = Ext.lib.Event.getTarget(e);
-            return t ? handles[t.id] : null;
-        },
+    getHandleFromEvent : function(e){
+        var t = e.getTarget();
+        return t ? this.handles[t.id] : null;
+    },
 
     /**
      * Returns a custom data object that is registered for a DOM node by id
      * @param {String/HTMLElement} id The DOM node or id to look up
      * @return {Object} data The custom data
      */
-        getTarget : function(id){
-            if(typeof id != "string"){ // must be element?
-                id = id.id;
-            }
-            return elements[id];
-        },
+    getTarget : function(id){
+        if(typeof id != "string"){ // must be element?
+            id = id.id;
+        }
+        return this.elements[id];
+    },
 
     /**
      * Returns a custom data object that is registered for the DOM node that is the target of the event
      * @param {Event} e The event
      * @return {Object} data The custom data
      */
-        getTargetFromEvent : function(e){
-            var t = Ext.lib.Event.getTarget(e);
-            return t ? elements[t.id] || handles[t.id] : null;
-        }
-    };
-}();
\ No newline at end of file
+    getTargetFromEvent : function(e){
+        var t = e.getTarget();
+        return t ? this.elements[t.id] || this.handles[t.id] : null;
+    }
+});
\ No newline at end of file