1 files changed, 64 insertions, 0 deletions
diff --git a/frontend/beta/js/YUI-extensions/dd/DragZone.js b/frontend/beta/js/YUI-extensions/dd/DragZone.js
new file mode 100644
index 0000000..7a6edb6
--- a/dev/null
+++ b/frontend/beta/js/YUI-extensions/dd/DragZone.js
@@ -0,0 +1,64 @@
+// kill drag drop dependency
+if(YAHOO.util.DragDrop){
+/**
+ * @class YAHOO.ext.dd.DragZone
+ * @extends YAHOO.ext.dd.Source
+ * This class provides a container DD instance that proxies for multiple child node sources.<br />
+ * By default, this class requires that draggable child nodes are registered with
+ * {@link YAHOO.ext.dd.Registry}.
+ * @cfg {Boolean} containerScroll True to register this container with the Scrollmanager 
+ * for auto scrolling during drag operations.
+ * @constructor
+ * @param {String/HTMLElement/Element} el The container element
+ * @param {Object} config
+ */
+YAHOO.ext.dd.DragZone = function(el, config){
+    YAHOO.ext.dd.DragZone.superclass.constructor.call(this, el, config);
+    if(this.containerScroll){
+        YAHOO.ext.dd.ScrollManager.register(this.el);
+    }
+};
+
+YAHOO.extendX(YAHOO.ext.dd.DragZone, YAHOO.ext.dd.DragSource, {
+    /**
+     * Called when a mousedown occurs in this container. Looks in {@link YAHOO.ext.dd.Registry}
+     * for a valid target to drag based on the mouse down. Override this method
+     * to provide your own lookup logic (e.g. finding a child by class name). Make sure your returned
+     * object has a "ddel" attribute (with an HTML Element) for other functions to work.
+     * @param {EventObject} e The mouse down event
+     * @return {Object} The dragData
+     */
+    getDragData : function(e){
+        return YAHOO.ext.dd.Registry.getHandleFromEvent(e);
+    },
+    
+    /**
+     * Called once drag threshold has been reached to initialize the proxy element. By default, it clones the
+     * this.dragData.ddel
+     * @param {EventObject} e The current event
+     * @return {Boolean} true to continue the drag, false to cancel
+     */
+    onInitDrag : function(e){
+        this.proxy.update(this.dragData.ddel.cloneNode(true));
+        return true;
+    },
+    
+    /**
+     * Called after a repair of an invalid drop. By default, highlights this.dragData.ddel 
+     */
+    afterRepair : function(){
+        YAHOO.ext.Element.fly(this.dragData.ddel).highlight(this.hlColor || 'c3daf9');
+        this.dragging = false;
+    },
+
+    /**
+     * Called before a repair of an invalid drop to get the XY to animate to. By default returns
+     * the XY of this.dragData.ddel
+     * @param {EventObject} e The mouse up event
+     * @return {Array} The xy location (e.g. [100, 200])
+     */
+    getRepairXY : function(e){
+        return YAHOO.ext.Element.fly(this.dragData.ddel).getXY();  
+    }
+});
+}