using System;
using TH1_UI.Controller.Base;

//
public enum ViewLevelValue
{
    LEVEL_1,
    LEVEL_2,    //一级界面互斥
    LEVEL_3,    //二级界面互斥
    LEVEL_4,
}
//
public class ViewHierarchyProperty
{
    public ViewLevelValue ViewLevel = ViewLevelValue.LEVEL_1;
    //
    public void Start(IViewControllerInterface controller)
    {
        if (_currLinkNode != null)
        {
            _currLinkNode.Detach();
        }
        _currLinkNode = new ViDoubleLinkNode2<IViewControllerInterface>();
        _currLinkNode.Data = controller;
    }
    //
    public void Open()
    {
        if (_currLinkNode != null)
        {
            _currLinkNode.Detach();
            //
            IViewControllerInterface view = _currLinkNode.Data;
            switch (ViewLevel)
            {
                case ViewLevelValue.LEVEL_1:
                    break;
                case ViewLevelValue.LEVEL_2:
                case ViewLevelValue.LEVEL_3:
                case ViewLevelValue.LEVEL_4:
                    _MutualWindow(view);
                    break;
            }
            //
            _viewOpenList.PushBack(_currLinkNode);
        }
    }
    //
    void _MutualWindow(IViewControllerInterface viewOpen)
    {
        ViDoubleLinkNode2<IViewControllerInterface> iter = _viewOpenList.GetHead();
        while (!_viewOpenList.IsEnd(iter))
        {
            IViewControllerInterface iterView = iter.Data;
            ViDoubleLink2<IViewControllerInterface>.Next(ref iter);
            //
            if (iterView.ViewLevel == viewOpen.ViewLevel)
            {
                iterView.Close();
            }
        }
    }
    //
    public void Close()
    {
        if (_currLinkNode != null)
        {
            _currLinkNode.Detach();
        }
    }
    //
    ViDoubleLinkNode2<IViewControllerInterface> _currLinkNode = null;
    static ViDoubleLink2<IViewControllerInterface> _viewOpenList = new ViDoubleLink2<IViewControllerInterface>();
}