public bool AllowDelete()
{
if ((_playState == TPlayState.Fading || _playState == TPlayState.Paused || _playState == TPlayState.Playing) &&
(_eventType == TEventType.Live || _eventType == TEventType.Movie || _eventType == TEventType.Rundown))
{
return(false);
}
if (_eventType == TEventType.Container && SubEvents.Any())
{
return(false);
}
foreach (IEvent se in this.SubEvents)
{
IEvent ne = se;
while (ne != null)
{
if (!ne.AllowDelete())
{
return(false);
}
ne = ne.Next;
}
}
return(true);
}
public EventEditViewmodel(EngineViewmodel engineViewModel)
{
_engineViewModel = engineViewModel;
_engine = engineViewModel.Engine;
_engine.EventLocated += OnLocated;
_fields.CollectionChanged += _fields_or_commands_CollectionChanged;
CommandSaveEdit = new UICommand {
ExecuteDelegate = _save, CanExecuteDelegate = _canSave
};
CommandUndoEdit = new UICommand {
ExecuteDelegate = _load, CanExecuteDelegate = o => IsModified
};
CommandChangeMovie = new UICommand {
ExecuteDelegate = _changeMovie, CanExecuteDelegate = _canChangeMovie
};
CommandEditMovie = new UICommand {
ExecuteDelegate = _editMovie, CanExecuteDelegate = _canEditMovie
};
CommandCheckVolume = new UICommand {
ExecuteDelegate = _checkVolume, CanExecuteDelegate = _canCheckVolume
};
CommandEditField = new UICommand {
ExecuteDelegate = _editField
};
CommandTriggerStartType = new UICommand
{
ExecuteDelegate = _triggerStartType,
CanExecuteDelegate = _canTriggerStartType
};
CommandMoveUp = new UICommand
{
ExecuteDelegate = o => _event?.MoveUp(),
CanExecuteDelegate = _canMoveUp
};
CommandMoveDown = new UICommand
{
ExecuteDelegate = o => _event?.MoveDown(),
CanExecuteDelegate = _canMoveDown
};
CommandDelete = new UICommand
{
ExecuteDelegate = o =>
{
if (_event != null && MessageBox.Show(resources._query_DeleteItem, resources._caption_Confirmation,
MessageBoxButton.OKCancel) == MessageBoxResult.OK)
{
EventClipboard.SaveUndo(new List <IEvent> {
_event
},
_event.StartType == TStartType.After ? _event.Prior : _event.Parent);
_event.Delete();
}
},
CanExecuteDelegate = o => _event?.AllowDelete() == true
};
}