public ModelException(ErrorDefinitions.Error error) : base(ErrorMessages.toString(error))
{
ModelError = error;
}
private void board_BoardSquareClicked(object sender, Controls.BoardSquareClickedEventArgs e)
{
try
{
if (ViewModel.IsGameWaitingForHumanPlayerMove)
{
if (ViewModel.Source != null)
{
if (e.Square.Coord.Equals(ViewModel.Source) && e.Square.IsSelected)
{
// clear selection if same source was clicked
ViewModel.ClearSelection();
return;
}
// source was selected, try create move from target
Result <Move.T, ErrorDefinitions.Error> result =
Controller.TryGetValidMove(ViewModel.Source, e.Square.Coord);
if (result.IsSuccess)
{
// user selected valid move
if (MainWindowCommands.CancelSuggestMove.CanExecute(null, this))
{
MainWindowCommands.CancelSuggestMove.Execute(null, this);
}
Move.T move = ((Result <Move.T, ErrorDefinitions.Error> .Success)result).Item;
ModelException.TryThrow <Move.T>(Controller.TrySetSelectedMove(move));
}
else
{
// unable to create move with specified target
ErrorDefinitions.Error err = ((Result <Move.T, ErrorDefinitions.Error> .Error)result).Item;
if (!err.IsNoValidMoveExists)
{
throw new ModelException(err);
}
else
{
// try to use it as new source
bool isValidMoveSource = ModelException.TryThrow <bool>(Controller.TryMoveExistsForCoord(e.Square.Coord));
if (!isValidMoveSource)
{
e.BlinkRed = true;
return;
}
else
{
ViewModel.ClearSelection();
}
}
}
}
if (ViewModel.Source == null)
{
// no source exists, select this coord as new source
bool isValidMoveSource = ModelException.TryThrow <bool>(Controller.TryMoveExistsForCoord(e.Square.Coord));
e.BlinkRed = !isValidMoveSource;
if (isValidMoveSource)
{
ViewModel.SetSource(e.Square.Coord);
Controller.GetPossibleTargetCoords(ViewModel.Source).ForEach(ViewModel.SetIsSelected);
}
}
CommandManager.InvalidateRequerySuggested();
}
}
catch (Exception exc)
{
MessageBox.Show(this, "Nebyl vybrán platný tah." + Environment.NewLine + ViewModelCommon.ConvertExceptionToShortString(exc), "Chyba", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
