www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/source/widgets/grid/GridDD.js
/* * Ext JS Library 2.0.2 * Copyright(c) 2006-2008, Ext JS, LLC. * licensing@extjs.com * * http://extjs.com/license */ // private // This is a support class used internally by the Grid components Ext.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(this.grid, rowIndex, e); } 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){ } });