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// 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();
}
});
}
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