private void SelectAllAndMoveFrozen()
{
SelectablePersons.FreezeCollectionNotifications();
SelectedPersons.FreezeCollectionNotifications();
SelectAllPersons();
RemoveFromFirstGrid(CopySelectedToSecondGrid());
SelectedPersons.UnfreezeCollectionNotifications();
SelectablePersons.UnfreezeCollectionNotifications();
}
private void ResetGrids()
{
BusyWork = true;
ResetSelectablePersonsCollection();
SelectedPersons.FreezeCollectionNotifications();
SelectedPersons.Clear();
SelectedPersons.UnfreezeCollectionNotifications();
BusyWork = false;
}
private List <Shared.Selectables.Person> CopySelectedToSecondGrid()
{
List <Shared.Selectables.Person> selections = new List <Shared.Selectables.Person>();
foreach (Shared.Selectables.Person p in SelectablePersons)
{
if (p.Selected)
{
selections.Add(p);
SelectedPersons.Add(p);
}
}
return(selections);
}
public void Delete()
{
if (SelectedPersons.Count == 0)
{
Status = "请选中要删除的记录";
return;
}
if (_rentRepo.Query(e => e.Person == SelectedPerson && e.EndDate == DateTime.MinValue).Count > 0)
{
MessageBoxService.Show(string.Format("[{0}]存在未归还的记录，不允许删除", SelectedPerson.Name), "提示");
return;
}
if (MessageBoxService.Show(string.Format("确定要删除{0}吗？", SelectedPersons.ToString(e => e.Name)), "提示", MessageBoxButton.YesNo) == MessageBoxResult.No)
{
return;
}
int count = 0;
foreach (var item in SelectedPersons.ToArray())
{
var result = _repo.Delete(item);
if (result)
{
Logger.DebugFormat("删除Person，Id={0}, Name={1}", item.Id, item.Name);
count++;
SendMsg(new ItemChangedMsg <Person>(ActionMode.Delete, item));
Persons.Remove(item);
}
}
Status = string.Format("删除{0}人！", count);
if (count > 0 && Persons.Count > 0)
{
SelectedPerson = Persons.Last();
}
}
private void RemoveSelectedFromSelectedPersons()
{
Persons.Add(SelectedSelectedPerson);
SelectedPersons.Remove(SelectedSelectedPerson);
}
private void AddSelectedToSelectedPersons()
{
SelectedPersons.Add(SelectedListPerson);
Persons.Remove(SelectedListPerson);
}