/*
 * Ext JS Library 2.0
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.dd.PanelProxy=function(A,B){this.panel=A;this.id=this.panel.id+"-ddproxy";Ext.apply(this,B)};Ext.dd.PanelProxy.prototype={insertProxy:true,setStatus:Ext.emptyFn,reset:Ext.emptyFn,update:Ext.emptyFn,stop:Ext.emptyFn,sync:Ext.emptyFn,getEl:function(){return this.ghost},getGhost:function(){return this.ghost},getProxy:function(){return this.proxy},hide:function(){if(this.ghost){if(this.proxy){this.proxy.remove();delete this.proxy}this.panel.el.dom.style.display="";this.ghost.remove();delete this.ghost}},show:function(){if(!this.ghost){this.ghost=this.panel.createGhost(undefined,undefined,Ext.getBody());this.ghost.setXY(this.panel.el.getXY());if(this.insertProxy){this.proxy=this.panel.el.insertSibling({cls:"x-panel-dd-spacer"});this.proxy.setSize(this.panel.getSize())}this.panel.el.dom.style.display="none"}},repair:function(B,C,A){this.hide();if(typeof C=="function"){C.call(A||this)}},moveProxy:function(A,B){if(this.proxy){A.insertBefore(this.proxy.dom,B)}}};Ext.Panel.DD=function(B,A){this.panel=B;this.dragData={panel:B};this.proxy=new Ext.dd.PanelProxy(B,A);Ext.Panel.DD.superclass.constructor.call(this,B.el,A);this.setHandleElId(B.header.id);B.header.setStyle("cursor","move");this.scroll=false};Ext.extend(Ext.Panel.DD,Ext.dd.DragSource,{showFrame:Ext.emptyFn,startDrag:Ext.emptyFn,b4StartDrag:function(A,B){this.proxy.show()},b4MouseDown:function(B){var A=B.getPageX();var C=B.getPageY();this.autoOffset(A,C)},onInitDrag:function(A,B){this.onStartDrag(A,B);return true},createFrame:Ext.emptyFn,getDragEl:function(A){return this.proxy.ghost.dom},endDrag:function(A){this.proxy.hide();this.panel.saveState()},autoOffset:function(A,B){A-=this.startPageX;B-=this.startPageY;this.setDelta(A,B)}});