// Deselect all other elements.
public override void SelectOnlyElement(GraphicElement el)
{
List <GraphicElement> intersections = FindAllIntersections(el).ToList();
List <GraphicElement> deselectedElements = new List <GraphicElement>();
selectedElements.Where(e => e != el).ForEach(e =>
{
intersections.AddRange(FindAllIntersections(e));
e.Deselect();
deselectedElements.Add(e);
});
if (!selectedElements.Contains(el))
{
selectedElements.Add(el);
el.Select();
}
deselectedElements.ForEach(e => selectedElements.Remove(e));
EraseTopToBottom(intersections);
DrawBottomToTop(intersections);
UpdateScreen(intersections);
ElementSelected.Fire(this, new ElementEventArgs()
{
Element = el
});
}
public override void SelectElement(GraphicElement el)
{
// Add to selected elements only once!
if (!selectedElements.Contains(el))
{
var els = EraseIntersectionsTopToBottom(el);
selectedElements.Add(el);
el.Select();
DrawBottomToTop(els);
UpdateScreen(els);
ElementSelected.Fire(this, new ElementEventArgs()
{
Element = el
});
}
}
public override void SelectElement(GraphicElement el)
{
// Add to selected elements only once!
if (!selectedElements.Contains(el))
{
var els = EraseIntersectionsTopToBottom(el);
selectedElements.Add(el);
el.Select();
DrawBottomToTop(els);
UpdateScreen(els);
ElementSelected.Fire(this, new ElementEventArgs()
{
Element = el
});
// Added this to support the NavTo feature, so that the element
// can override this behavior (which is empty in the GraphicElement)
// to do other things AFTER the rendering of the selected element has taken place.
el.ElementSelected();
}
}
