/*
 * Ext JS Library 1.1 RC 1
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://www.extjs.com/license
 */

// private// This is a support class used internally by the Grid componentsExt.grid.GridDragZone = function(grid, config){    this.view = grid.getView();    Ext.grid.GridDragZone.superclass.constructor.call(this, this.view.mainBody.dom, config);    if(this.view.lockedBody){        this.setHandleElId(Ext.id(this.view.mainBody.dom));        this.setOuterHandleElId(Ext.id(this.view.lockedBody.dom));    }    this.scroll = false;    this.grid = grid;    this.ddel = document.createElement('div');    this.ddel.className = 'x-grid-dd-wrap';};Ext.extend(Ext.grid.GridDragZone, Ext.dd.DragZone, {    ddGroup : "GridDD",    getDragData : function(e){        var t = Ext.lib.Event.getTarget(e);        var rowIndex = this.view.findRowIndex(t);        if(rowIndex !== false){            var sm = this.grid.selModel;            if(!sm.isSelected(rowIndex) || e.hasModifier()){                sm.handleMouseDown(e, t);            }            return {grid: this.grid, ddel: this.ddel, rowIndex: rowIndex, selections:sm.getSelections()};        }        return false;    },    onInitDrag : function(e){        var data = this.dragData;        this.ddel.innerHTML = this.grid.getDragDropText();        this.proxy.update(this.ddel);        // fire start drag?    },    afterRepair : function(){        this.dragging = false;    },    getRepairXY : function(e, data){        return false;    },    onEndDrag : function(data, e){        // fire end drag?    },    onValidDrop : function(dd, e, id){        // fire drag drop?        this.hideProxy();    },    beforeInvalidDrop : function(e, id){    }});