private void SetCurrentTool(TransformationTool tool)
{
if (tool != null) _lastTool = tool;
_currentTool = tool;
_widgets = (_currentTool == null) ? new List<Widget>() : _currentTool.GetWidgets(Document).ToList();
foreach (var widget in _widgets)
{
widget.OnTransforming = OnWidgetTransforming;
widget.OnTransformed = OnWidgetTransformed;
widget.SelectionChanged();
}
}
