/*
 * 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)
			}
		});