public override void Execute()
{
using (SceneEditTransaction editTransaction = this.SceneViewModel.CreateEditTransaction(StringTable.UndoUnitDelete))
{
ToolManager toolManager = this.designerContext.ToolManager;
if (!this.SceneViewModel.StoryboardSelectionSet.IsEmpty)
{
this.StoryboardDelete();
}
else if (!this.SceneViewModel.AnimationSelectionSet.IsEmpty && this.SceneViewModel.PathPartSelectionSet.IsEmpty)
{
this.AnimationDelete();
}
else if (!this.SceneViewModel.KeyFrameSelectionSet.IsEmpty)
{
this.KeyFrameDelete();
}
else if (!this.SceneViewModel.SetterSelectionSet.IsEmpty)
{
this.SetterDelete();
}
else if (this.SceneViewModel.TextSelectionSet.IsActive)
{
this.TextDelete();
}
else if (!this.SceneViewModel.ChildPropertySelectionSet.IsEmpty)
{
this.ChildPropertyDelete();
}
else if (!this.SceneViewModel.BehaviorSelectionSet.IsEmpty)
{
this.BehaviorDelete();
}
else if (!this.SceneViewModel.AnnotationSelectionSet.IsEmpty)
{
this.designerContext.AnnotationService.Delete((IEnumerable <AnnotationSceneNode>) this.SceneViewModel.AnnotationSelectionSet.Selection);
}
else if (this.SceneViewModel.GridColumnSelectionSet.GridLineMode && !this.SceneViewModel.GridColumnSelectionSet.IsEmpty)
{
this.GridColumnDelete();
}
else if (this.SceneViewModel.GridRowSelectionSet.GridLineMode && !this.SceneViewModel.GridRowSelectionSet.IsEmpty)
{
this.GridRowDelete();
}
else if (toolManager.ActiveTool == toolManager.FindTool(typeof(SubselectionTool)) && !this.SceneViewModel.PathPartSelectionSet.IsEmpty)
{
this.DeleteLeftoverElements(this.PathPartDelete(editTransaction));
}
else if (toolManager.ActiveTool == toolManager.FindTool(typeof(PenTool)))
{
PenCreateBehavior penCreateBehavior = this.designerContext.ActiveView.EventRouter.ActiveBehavior as PenCreateBehavior;
if (penCreateBehavior != null && ((PenTool)penCreateBehavior.Tool).ActivePathEditInformation != null)
{
penCreateBehavior.DeleteLastSegment();
}
else if (!this.SceneViewModel.PathPartSelectionSet.IsEmpty)
{
this.DeleteLeftoverElements(this.PathPartDelete(editTransaction));
}
else
{
this.SceneViewModel.DeleteSelectedElements();
}
}
else
{
this.SceneViewModel.DeleteSelectedElements();
}
editTransaction.Commit();
}
}