// Called when undo'ing a zorder move.
public void RestoreZOrder(List <ZOrderMap> zorder)
{
// Remove all shapes from the elements list.
zorder.Select(zo => zo.Element).ForEach(el => elements.Remove(el));
// Insert them into the list in ascending order, so each insertion goes in the right place.
zorder.OrderBy(zo => zo.Index).ForEach(zo => elements.Insert(zo.Index, zo.Element));
// TODO: Redraw everything, because I'm lazy and because this actually might be the best way of getting all the pieces to play nice together.
canvas.Invalidate();
}
public void DeleteSelectedElements()
{
selectedAnchor = null;
showingAnchorsElement = null;
dragging = false;
selectedElements.ForEach(el =>
{
DeleteElement(el);
});
selectedElements.Clear();
canvas.Invalidate();
}
public void DeleteSelectedElements()
{
selectedAnchor = null;
showingAnchorsElement = null;
dragging = false;
// TODO: Optimize for redrawing just selected elements (we remove call to DeleteElement when we do this)
selectedElements.ForEach(el =>
{
el.GroupChildren.ForEach(child => child.Parent = null);
DeleteElement(el);
});
selectedElements.Clear();
canvas.Invalidate();
}
public void DeleteElement()
{
if (selectedElement != null)
{
selectedElement.DetachAll();
EraseTopToBottom(elements);
elements.Remove(selectedElement);
selectedElement.Dispose();
selectedElement = null;
selectedAnchor = null;
showingAnchorsElement = null;
dragging = false;
DrawBottomToTop(elements);
ElementSelected.Fire(this, new ElementEventArgs());
// Need to refresh the entire screen to remove the element from the screen itself.
canvas.Invalidate();
}
}
