this.cellEditing = new Ext.grid.plugin.CellEditing({
							clicksToEdit : 2
						});
				this.plugins = [this.cellEditing];

			addRecord : function() {
				var grid = this.getView().down('modulegrid');
				var model = Ext.create(grid.getStore().model);
				model.set('tf_id',0);
        grid.getStore().insert(0, model);
			}

 {
							text : '删除',
							disabled : true,
							glyph : 0xf014,
							itemId : 'deletebutton',
							handler : 'deleteRecords'
						}

			listeners : {
				selectionChange : 'selectionChange'
			},

			// 选中的记录发生变化过后的事件
			selectionChange : function(model, selected, eOpts) {

				// 设置删除按钮的状态
				this.getView().down('toolbar button#deletebutton')[selected.length > 0
						? 'enable'
						: 'disable']();

			},

			// 删除一条或多条记录
			deleteRecords : function(button) {
				var grid = this.getView().down('modulegrid'), selection = grid
						.getSelectionModel().getSelection(), message = '';
				if (selection.length == 1) // 如果只选择了一条
					message = ' 『' + selection[0].getNameValue() + '』 吗?';
				else { // 选择了多条记录
					message = '<ol>';
					Ext.Array.each(grid.getSelectionModel().getSelection(), function(
									record) {
								message += '<li>' + record.getNameValue() + '</li>';
							});
					message += '</ol>';
					message = '以下 ' + selection.length + ' 条记录吗?' + message;
				}
				Ext.MessageBox.confirm('确定删除', '确定要删除 <strong>'
								+ this.getView().getViewModel().get('tf_title')
								+ '</strong> 中的' + message, function(btn) {
							if (btn == 'yes') {
								grid.getStore().remove(grid.getSelectionModel().getSelection());
								grid.getStore().sync();
							}
						})
			},