private void ThingBeforeMovedEventHandler(object s, Point2DEventArgs e)
{
var thing = (ISpatial2DThing <T>)s;
if (e.Points.Any(p => !Overlaps(p)))
{
throw new ObjectOutOfBoundsException(thing);
}
if (!AllowOverlapping && _items.Values.Any(m => m.Any(x => !x.Equals(thing) && x.Overlaps(e.Points))))
{
throw new InvalidOperationException("Item overlaps existing item");
}
var violations = _movementRules.Values.Where(r => r.Condition(thing, e.Points)).ToList();
var ev = RuleViolated;
foreach (var rule in violations)
{
e.Abort = true;
if (ev == null)
{
return; // No event listener
}
ev(this, new RuleViolationEvent(rule, thing));
}
}
private void ThingMovedEventHandler(object s, Point2DEventArgs e)
{
RemoveObject((ISpatial2DThing <T>)s);
SetObject((ISpatial2DThing <T>)s, false, false);
FireItemMoved((ISpatial2DThing <T>)s);
}
