/// <summary>
/// 异步保存单个实例
/// <para>框架</para>
/// </summary>
/// <param name="addtional_execution"></param>
protected void BeginSaveEntityFrame(Action addtional_execution = null)
{
if (Entity == null)
{
return;
}
TryCancelTask();
TaskMgt = DHelper.StartTask(() =>
{
Window dlg = default;
try
{
dlg = ShowDlgWait();
if (SaveValidation())
{
addtional_execution?.Invoke();
Task t = CtxEntity.SaveChangesAsync(TokenMgt.Token);
t.Wait();
if (TaskMgt.Status == TaskStatus.Canceled)
{
return;
}
IsNew = false;
IsEditing = false;
Msg = MsgSaveOK;
RaiseEntityChanged();
RaiseContentsNeedRefresh();
}
}
catch (Exception ex) { SaveFailed(ex); }
finally { TryCloseDlg(dlg); }
});
}
/// <summary>
/// 异步删除单个实例
/// <para>框架</para>
/// </summary>
/// <param name="addtional_execution"></param>
protected void BeginDeleteEntityFrame(Action addtional_execution = null)
{
if (Entity == null)
{
return;
}
if (!ShowOKCancel(MsgDeleteConfirm))
{
return;
}
TryCancelTask();
TaskMgt = DHelper.StartTask(() =>
{
Window dlg = default;
try
{
dlg = ShowDlgWait();
CtxEntity.Set <T>().Remove(Entity);
addtional_execution?.Invoke();
Task t = CtxEntity.SaveChangesAsync(TokenMgt.Token);
t.Wait();
if (TaskMgt.Status == TaskStatus.Canceled)
{
return;
}
IsNew = false;
IsEditing = false;
Msg = MsgDeleteOK;
ClearEntityView();
RaiseContentsNeedRefresh();
}
catch (Exception ex) { DeleteFailed(ex); }
finally { TryCloseDlg(dlg); }
});
}
/// <summary>
/// 保存单个实例
/// <para>框架</para>
/// </summary>
/// <param name="addtional_execution"></param>
/// <returns></returns>
protected bool SaveEntityFrame(Action addtional_execution = null)
{
if (Entity == null)
{
return(false);
}
try
{
if (SaveValidation())
{
addtional_execution?.Invoke();
CtxEntity.SaveChanges();
IsNew = false;
IsEditing = false;
Msg = MsgSaveOK;
RaiseEntityChanged();
RaiseContentsNeedRefresh();
return(true);
}
else
{
return(false);
}
}
catch (Exception ex) { return(SaveFailed(ex)); }
}
/// <summary>
/// 删除单个实例
/// <para>框架</para>
/// </summary>
/// <param name="addtional_execution"></param>
/// <returns></returns>
protected bool DeleteEntityFrame(Action addtional_execution = null)
{
if (Entity == null)
{
return(false);
}
if (!ShowOKCancel(MsgDeleteConfirm))
{
return(false);
}
try
{
CtxEntity.Set <T>().Remove(Entity);
addtional_execution?.Invoke();
CtxEntity.SaveChanges();
IsNew = false;
IsEditing = false;
Msg = MsgDeleteOK;
ClearEntityView();
RaiseContentsNeedRefresh();
return(true);
}
catch (Exception ex) { return(DeleteFailed(ex)); }
}
