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                this.proxy.remove();
                delete this.proxy;
            }
            this.panel.el.dom.style.display = '';
            this.ghost.remove();
            delete this.ghost;
        }
    },

<span id='Ext-dd-PanelProxy-method-show'>    /**
</span>     * Shows the proxy
     */
    show : function(){
        if(!this.ghost){
            this.ghost = this.panel.createGhost(this.panel.initialConfig.cls, 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';
        }
    },

<span id='Ext-dd-PanelProxy-method-repair'>    // private
</span>    repair : function(xy, callback, scope){
        this.hide();
        if(typeof callback == &quot;function&quot;){
            callback.call(scope || this);
        }
    },

<span id='Ext-dd-PanelProxy-method-moveProxy'>    /**
</span>     * Moves the proxy to a different position in the DOM.  This is typically called while dragging the Panel
     * to keep the proxy sync'd to the Panel's location.
     * @param {HTMLElement} parentNode The proxy's parent DOM node
     * @param {HTMLElement} before (optional) The sibling node before which the proxy should be inserted (defaults
     * to the parent's last child if not specified)
     */
    moveProxy : function(parentNode, before){
        if(this.proxy){
            parentNode.insertBefore(this.proxy.dom, before);
        }
    }
});

// private - DD implementation for Panels
Ext.Panel.DD = Ext.extend(Ext.dd.DragSource, {
    
    constructor : function(panel, cfg){
        this.panel = panel;
        this.dragData = {panel: panel};
        this.proxy = new Ext.dd.PanelProxy(panel, cfg);
        Ext.Panel.DD.superclass.constructor.call(this, panel.el, cfg);
        var h = panel.header,
            el = panel.body;
        if(h){
            this.setHandleElId(h.id);
            el = panel.header;
        }
        el.setStyle('cursor', 'move');
        this.scroll = false;        
    },
    
    showFrame: Ext.emptyFn,
    startDrag: Ext.emptyFn,
    b4StartDrag: function(x, y) {
        this.proxy.show();
    },
    b4MouseDown: function(e) {
        var x = e.getPageX(),
            y = e.getPageY();
        this.autoOffset(x, y);
    },
    onInitDrag : function(x, y){
        this.onStartDrag(x, y);
        return true;
    },
    createFrame : Ext.emptyFn,
    getDragEl : function(e){
        return this.proxy.ghost.dom;
    },
    endDrag : function(e){
        this.proxy.hide();
        this.panel.saveState();
    },

    autoOffset : function(x, y) {
        x -= this.startPageX;
        y -= this.startPageY;
        this.setDelta(x, y);
    }
});</pre>
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