private static void AddToBackStack(BaseView view)
{
//remove if presented
while (BackStack.Remove(view))
{
;
}
//add to end
if (BackStack.Count == 0)
{
BackStack.AddLast(view);
return;
}
//find by priority
var node = BackStack.Last;
while (node != null && node.Value.BackPrority > view.BackPrority)
{
node = node.Previous;
}
if (node == null)
{
BackStack.AddFirst(view);
return;
}
else
{
BackStack.AddAfter(node, view);
}
}