Extjs3.xgridPanel行數(shù)據(jù)上下移動實(shí)例代碼

rowUp : function() {//上移
var records = this.gridPanel.getSelectionModel().getSelections();//得到選中所有行
for(var i in records)//遍歷所選的所有行
{
var record = records[i];//每行的數(shù)據(jù)（記錄此數(shù)據(jù)）
var index = this.gridPanel.getStore().indexOf(record);//數(shù)據(jù)所在位置
if(0>=index)
{
return;//不可移動
}
var data = record.data; 
var NewRecord = new Ext.data.Record({ //記錄數(shù)據(jù)，remove&和insert方法是記錄數(shù)組（我他媽不知道啥玩意）
itemName:data.itemName, //這里面的參數(shù)取gridPanel列表中record的定義
itemIndex:data.itemIndex,
maxScore:data.maxScore,
minScore:data.minScore,
itemType:data.itemType
 }); 
this.gridPanel.getStore().removeAt(index);//刪除當(dāng)前所選行數(shù)據(jù)
this.gridPanel.getStore().insert(index-1,NewRecord);//將記錄數(shù)據(jù)插入到所刪除數(shù)據(jù)位置的上一位置
this.gridPanel.getView().refresh();
this.gridPanel.getSelectionModel().selectRow(index-1,index-1);
}
},
 
rpwDown : function() {//下移
var records = this.gridPanel.getSelectionModel().getSelections();//得到選中所有行
var num = this.gridPanel.getStore().getCount();
for(var i in records)//遍歷所選的所有行
{
var record = records[i];//每行的數(shù)據(jù)（記錄此數(shù)據(jù)）
var index = this.gridPanel.getStore().indexOf(record);//數(shù)據(jù)所在位置
if(this.gridPanel.getStore().getCount()-1<=index||0>index)
{
return;//不可移動
}
var data = record.data; 
var NewRecord = new Ext.data.Record({ 
itemName:data.itemName,
itemIndex:data.itemIndex,
maxScore:data.maxScore,
minScore:data.minScore,
itemType:data.itemType
 }); 
this.gridPanel.getStore().removeAt(index);//刪除當(dāng)前所選行數(shù)據(jù)
this.gridPanel.getStore().insert(index+1,NewRecord);//將記錄數(shù)據(jù)插入到所刪除數(shù)據(jù)位置的下一位置
this.gridPanel.getView().refresh();//刷新（不知道刷的啥）
this.gridPanel.getSelectionModel().selectRow(index+1,index+1);
 
}
//this.gridPanel.getStore().reload();
},