private void Create()
{
Battery editItem = new Battery(); //实例化一个新的model
BatteryEditViewModel bevm = new BatteryEditViewModel(editItem, _batteryTypeServie.Items); //实例化一个新的view model
bevm.DisplayName = "Battery-Create";
bevm.commandType = CommandType.Create;
var BatteryViewInstance = new BatteryView(); //实例化一个新的view
BatteryViewInstance.DataContext = bevm;
BatteryViewInstance.ShowDialog(); //设置viewmodel属性
if (bevm.IsOK == true)
{
_batteryService.SuperAdd(editItem);
}
}
private void SaveAs()
{
Battery bc = new Battery(); //实例化一个新的model
BatteryEditViewModel bevm = new BatteryEditViewModel(bc, _batteryTypeServie.Items); //实例化一个新的view model
bevm.Name = _selectedItem.Name;
bevm.BatteryType = bevm.AllBatteryTypes.SingleOrDefault(i => i.Id == _selectedItem.BatteryType.Id);
bevm.CycleCount = _selectedItem.CycleCount;
bevm.AssetUseCount = _selectedItem.AssetUseCount;
bevm.DisplayName = "Battery-Save As";
bevm.commandType = CommandType.SaveAs;
var BatteryViewInstance = new BatteryView(); //实例化一个新的view
BatteryViewInstance.DataContext = bevm;
BatteryViewInstance.ShowDialog();
if (bevm.IsOK == true)
{
_batteryService.SuperAdd(bc);
}
}
private void Edit()
{
Battery editItem = new Battery(); //实例化一个新的model
BatteryEditViewModel bevm = new BatteryEditViewModel(editItem, _batteryTypeServie.Items); //实例化一个新的view model
bevm.Id = _selectedItem.Id;
bevm.Name = _selectedItem.Name;
//bevm.BatteryType = _selectedItem.BatteryType; //不能用这种方式，猜是因为传来传去之后，_selectedItem.BatteryType已经不是bevm.AllBatteryTypes的一员了
bevm.BatteryType = bevm.AllBatteryTypes.SingleOrDefault(i => i.Id == _selectedItem.BatteryType.Id); //所以改用Id来找到List里的item
bevm.CycleCount = _selectedItem.CycleCount;
bevm.AssetUseCount = _selectedItem.AssetUseCount;
bevm.DisplayName = "Battery-Edit";
bevm.commandType = CommandType.Edit;
var BatteryViewInstance = new BatteryView(); //实例化一个新的view
BatteryViewInstance.DataContext = bevm;
BatteryViewInstance.ShowDialog();
if (bevm.IsOK == true)
{
_batteryService.SuperUpdate(editItem);
}
}