/// <summary>
/// Обработчик события удаления фигур(ы)
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void _view_FiguresDeleted(object sender, EventArgs e)
{
if (_currentHandler.GetType() != typeof(CursorHandler))
{
return;
}
var handler = _currentHandler as CursorHandler;
var beforeState = new Dictionary <int, BaseFigure>();
if (handler == null)
{
return;
}
foreach (var figure in handler.SelectedFigures)
{
if (!_model.GetFigureList().ContainsKey(figure.Key))
{
continue;
}
var index = figure.Key;
beforeState.Add(index, figure.Value);
}
var cmd = new DeleteFigureCommand(_model, beforeState);
_undoRedoStack.Do(cmd);
handler.ClearSelectedFigures();
_view.Canvas.Refresh();
}
/// <summary>
/// Обработчик очистки канвы
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void _view_CanvasCleared(object sender, EventArgs e)
{
var beforeState = new Dictionary <int, BaseFigure>();
foreach (var figure in _model.GetFigureList())
{
if (!_model.GetFigureList().ContainsKey(figure.Key))
{
continue;
}
var index = figure.Key;
beforeState.Add(index, figure.Value);
}
var cmd = new DeleteFigureCommand(_model, beforeState);
_undoRedoStack.Do(cmd);
_view.Canvas.Refresh();
}
