public void Delete()
{
BaseController canvasController = ServiceManager.Get <IFlowSharpCanvasService>().ActiveController;
if (canvasController.Canvas.Focused)
{
List <ZOrderMap> originalZOrder = canvasController.GetZOrderOfSelectedElements();
List <GraphicElement> selectedElements = canvasController.SelectedElements.ToList();
// TODO: Better implementation would be for the mouse controller to hook a shape deleted event?
IFlowSharpMouseControllerService mouseController = ServiceManager.Get <IFlowSharpMouseControllerService>();
canvasController.SelectedElements.ForEach(el => mouseController.ShapeDeleted(el));
canvasController.UndoStack.UndoRedo("Delete",
() =>
{
canvasController.DeleteSelectedElementsHierarchy(false);
},
() =>
{
canvasController.RestoreZOrderWithHierarchy(originalZOrder);
RestoreConnections(originalZOrder);
canvasController.DeselectCurrentSelectedElements();
canvasController.SelectElements(selectedElements);
});
}
}
public void Delete()
{
BaseController canvasController = ServiceManager.Get <IFlowSharpCanvasService>().ActiveController;
if (canvasController.Canvas.Focused)
{
List <ZOrderMap> originalZOrder = canvasController.GetZOrderOfSelectedElements();
List <GraphicElement> selectedElements = canvasController.SelectedElements.ToList();
Dictionary <GraphicElement, GraphicElement> elementParent = new Dictionary <GraphicElement, GraphicElement>();
selectedElements.ForEach(el => elementParent[el] = el.Parent);
// TODO: Better implementation would be for the mouse controller to hook a shape deleted event?
IFlowSharpMouseControllerService mouseController = ServiceManager.Get <IFlowSharpMouseControllerService>();
canvasController.SelectedElements.ForEach(el => mouseController.ShapeDeleted(el));
canvasController.UndoStack.UndoRedo("Delete",
() =>
{
canvasController.DeleteSelectedElementsHierarchy(false);
// Delete any parent association:
selectedElements.Where(el => el.Parent != null).ForEach(el =>
{
el.Parent.GroupChildren.Remove(el);
el.Parent = null;
});
},
() =>
{
canvasController.RestoreZOrderWithHierarchy(originalZOrder);
RestoreConnections(originalZOrder);
canvasController.DeselectCurrentSelectedElements();
canvasController.SelectElements(selectedElements);
// Restore parent associations:
selectedElements.ForEach(el =>
{
el.Parent = elementParent[el];
if (el.Parent != null)
{
el.Parent.GroupChildren.Add(el);
}
});
});
}
}
