在editorgridpanel中根据每行的第一列，变换第二列的editor
core:change columnmodel's editor
grid.getColumnModel().setEditor(e.column,new Ext.grid.GridEditor(new Ext.form.ComboBox({
..})
))
function rebindcolumneditor(e){var params_ds = new Ext.data.Store({proxy : new Ext.data.HttpProxy({url : 'report/getDistinctParamValues.do'}),reader : new Ext.data.JsonReader({totalProperty : 'totalProperty',// 记录数的属性root : 'root'}, ['paramValue']),listeners:{beforeload:function(store,options) { var new_params = {paramId : e.record.get('id')};Ext.apply(options.params,new_params);}}});var params_resultTpl = new Ext.XTemplate('<div class="search-item-header"><h3>'+ '<span style="width=300px">可选值</span>'+ '</h3></div>','<tpl for="."><div class="search-item">','<h3><span style="width=300px">{paramValue}</span></h3>','</div></tpl>');e.grid.getColumnModel().setEditor(e.column,new Ext.grid.GridEditor(new Ext.form.ComboBox({store : params_ds,displayField : 'paramValue',typeAhead : false,loadingText : '正在查找...',listWidth : 300,pageSize : 10,hideTrigger : true,tpl : params_resultTpl,allowBlank : false,minChars : 1,itemSelector : 'div.search-item',listeners : {select : function(combo, record, index) {var selModel = combo.gridObj.getSelectionModel();if (selModel.hasSelection()) {var selections = selModel.getSelections();combo.gridObj.stopEditing();Ext.each(selections, function(item) {item.set('paramValue',record.get('paramValue'));});}combo.collapse();}}}))); }...listeners:{beforeedit:function(e){rebindcolumneditor(e);}},