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<pre class="prettyprint lang-js"><div id="cls-Ext.dd.PanelProxy"></div>/**
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* @class Ext.dd.PanelProxy
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* A custom drag proxy implementation specific to {@link Ext.Panel}s. This class is primarily used internally
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* for the Panel's drag drop implementation, and should never need to be created directly.
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* @constructor
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* @param panel The {@link Ext.Panel} to proxy for
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* @param config Configuration options
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*/
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Ext.dd.PanelProxy = function(panel, config){
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this.panel = panel;
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this.id = this.panel.id +'-ddproxy';
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Ext.apply(this, config);
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};
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Ext.dd.PanelProxy.prototype = {
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<div id="cfg-Ext.dd.PanelProxy-insertProxy"></div>/**
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* @cfg {Boolean} insertProxy True to insert a placeholder proxy element while dragging the panel,
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* false to drag with no proxy (defaults to true).
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*/
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insertProxy : true,
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// private overrides
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setStatus : Ext.emptyFn,
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reset : Ext.emptyFn,
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update : Ext.emptyFn,
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stop : Ext.emptyFn,
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sync: Ext.emptyFn,
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<div id="method-Ext.dd.PanelProxy-getEl"></div>/**
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* Gets the proxy's element
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* @return {Element} The proxy's element
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*/
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getEl : function(){
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return this.ghost;
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},
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<div id="method-Ext.dd.PanelProxy-getGhost"></div>/**
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* Gets the proxy's ghost element
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* @return {Element} The proxy's ghost element
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*/
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getGhost : function(){
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return this.ghost;
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},
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<div id="method-Ext.dd.PanelProxy-getProxy"></div>/**
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* Gets the proxy's element
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* @return {Element} The proxy's element
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*/
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getProxy : function(){
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return this.proxy;
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},
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<div id="method-Ext.dd.PanelProxy-hide"></div>/**
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* Hides the proxy
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*/
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hide : function(){
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if(this.ghost){
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if(this.proxy){
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this.proxy.remove();
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delete this.proxy;
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}
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this.panel.el.dom.style.display = '';
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this.ghost.remove();
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delete this.ghost;
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}
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},
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<div id="method-Ext.dd.PanelProxy-show"></div>/**
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* Shows the proxy
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*/
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show : function(){
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if(!this.ghost){
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this.ghost = this.panel.createGhost(undefined, undefined, Ext.getBody());
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this.ghost.setXY(this.panel.el.getXY())
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if(this.insertProxy){
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this.proxy = this.panel.el.insertSibling({cls:'x-panel-dd-spacer'});
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this.proxy.setSize(this.panel.getSize());
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}
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this.panel.el.dom.style.display = 'none';
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}
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},
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// private
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repair : function(xy, callback, scope){
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this.hide();
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if(typeof callback == "function"){
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callback.call(scope || this);
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}
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},
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<div id="method-Ext.dd.PanelProxy-moveProxy"></div>/**
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* Moves the proxy to a different position in the DOM. This is typically called while dragging the Panel
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* to keep the proxy sync'd to the Panel's location.
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* @param {HTMLElement} parentNode The proxy's parent DOM node
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* @param {HTMLElement} before (optional) The sibling node before which the proxy should be inserted (defaults
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* to the parent's last child if not specified)
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*/
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moveProxy : function(parentNode, before){
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if(this.proxy){
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parentNode.insertBefore(this.proxy.dom, before);
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}
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}
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};
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// private - DD implementation for Panels
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Ext.Panel.DD = function(panel, cfg){
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this.panel = panel;
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this.dragData = {panel: panel};
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this.proxy = new Ext.dd.PanelProxy(panel, cfg);
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Ext.Panel.DD.superclass.constructor.call(this, panel.el, cfg);
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var h = panel.header;
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if(h){
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this.setHandleElId(h.id);
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}
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(h ? h : this.panel.body).setStyle('cursor', 'move');
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this.scroll = false;
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};
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Ext.extend(Ext.Panel.DD, Ext.dd.DragSource, {
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showFrame: Ext.emptyFn,
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startDrag: Ext.emptyFn,
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b4StartDrag: function(x, y) {
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this.proxy.show();
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},
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b4MouseDown: function(e) {
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var x = e.getPageX();
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var y = e.getPageY();
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this.autoOffset(x, y);
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},
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onInitDrag : function(x, y){
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this.onStartDrag(x, y);
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return true;
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},
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createFrame : Ext.emptyFn,
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getDragEl : function(e){
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return this.proxy.ghost.dom;
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},
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endDrag : function(e){
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this.proxy.hide();
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this.panel.saveState();
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},
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autoOffset : function(x, y) {
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x -= this.startPageX;
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y -= this.startPageY;
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this.setDelta(x, y);
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}
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});</pre>
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