public void Back()
{
if (m_bread_crumbs.Count < 2)
{
return;
}
m_current_controller?.Unsubscribe();
m_bread_crumbs.Remove(m_current_controller);
m_current_controller = m_bread_crumbs.LastOrDefault();
m_current_controller?.Subscribe(m_canvas, m_scroll);
}
public void SetController(rMindBaseController controller)
{
if (controller != null && controller.CanvasController == null)
{
controller.SetParent(this);
}
if (m_root_controller == null)
{
m_root_controller = controller;
}
if (m_bread_crumbs.Contains(controller))
{ // Переход по хлебным крошкам.
var idx = m_bread_crumbs.IndexOf(controller);
m_current_controller?.Unsubscribe();
m_current_controller = controller;
if (m_draw)
{
m_current_controller.Subscribe(m_canvas, m_scroll);
}
var remove = m_bread_crumbs.Where(x => m_bread_crumbs.IndexOf(x) > idx).ToList();
foreach (var item in remove)
{
m_bread_crumbs.Remove(item);
}
return;
}
m_current_controller?.Unsubscribe();
if (controller == null)
{
return;
}
m_current_controller = controller;
if (m_draw)
{
m_current_controller.Subscribe(m_canvas, m_scroll);
}
m_bread_crumbs.Add(m_current_controller);
}
