1 files changed, 80 insertions, 0 deletions
diff --git a/frontend/beta/js/YUI-extensions/dd/Registry.js b/frontend/beta/js/YUI-extensions/dd/Registry.js
new file mode 100644
index 0000000..983b874
--- a/dev/null
+++ b/frontend/beta/js/YUI-extensions/dd/Registry.js
@@ -0,0 +1,80 @@
+// kill drag drop dependency
+if(YAHOO.util.DragDrop){
+
+YAHOO.ext.dd.Registry = function(){
+    var elements = {}; 
+    var handles = {}; 
+    var autoIdSeed = 0;
+    var doc = document; // local reference for IE
+    
+    var getId = function(el, autogen){
+        if(typeof el == 'string'){
+            return el;
+        }
+        var id = el.id;
+        if(!id && autogen !== false){
+            id = 'yddgen-' + (++autoIdSeed);
+            el.id = id;
+        }
+        return id;
+    };
+    
+    return {
+        register : function(el, data){
+            data = data || {};
+            if(typeof el == 'string'){
+                el = doc.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;
+                }
+            }
+        },
+        
+        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)];
+                    }
+                }
+            }
+        },
+        
+        getHandle : function(id){
+            if(typeof id != 'string'){ // must be element?
+                id = id.id;
+            }
+            return handles[id];
+        },
+        
+        getHandleFromEvent : function(e){
+            var t = YAHOO.util.Event.getTarget(e);
+            return t ? handles[t.id] : null;
+        },
+        
+        getTarget : function(id){
+            if(typeof id != 'string'){ // must be element?
+                id = id.id;
+            }
+            return elements[id];
+        },
+        
+        getTargetFromEvent : function(e){
+            var t = YAHOO.util.Event.getTarget(e);
+            return t ? elements[t.id] || handles[t.id] : null;
+        }
+    };
+}();
+}