private void UpdateNextElement()
{
for (int i = 0; i < 1; i++)
{
GuiElement current = Stack[i];
GuiElement next = current.GetNextElement(AllElements);
if (Stack.CanPush(next))
{
// Only call OnExit() if this is the first new element.
bool invokeExit = Stack.Count == 1;
Stack.Push(next);
Console.WriteLine("Stack is now length " + Stack.Count);
if (invokeExit)
{
Stack.Current.OnExit();
}
}
}
}
/// <summary>
/// Returns true if given element can be pushed onto stack.
/// </summary>
public bool CanPush(GuiElement element)
{
return(element != null && !List.Contains(element));
}
/// <summary> /// This function is called sequentially on every element in the containing state manager. /// <para>Return true to set the given element as the next element.</para> /// </summary> protected abstract bool NextElementSelector(GuiElement element);
/// <summary> /// Returns true if stack contains element. /// </summary> public bool Contains(GuiElement element) => List.Contains(element);