//这个方法就是利用EditorManager回调回来的一个EditorRoot实例;
    //构建了一个树形结构;
    public static void InitControls(EditorRoot editorRoot)
    {
        //将之前实例化的那个EditorWindow赋值给s_root
        s_root = editorRoot;

        //s_root.position = new Rect(100f, 100f, 1024, 768f);

        {//对编辑器全局消息响应;
            EditorApplication.projectWindowItemOnGUI += OnProjectWindowItem;
            EditorApplication.projectWindowChanged   += OnProjectWindowChanged;
        }

        {//协程回调
            s_root.onCoroutineMessage      = OnCoroutineMessage;
            s_root.onCoroutineTaskFinished = OnCoroutineTaskFinished;
            s_root.onDestroy = OnDestroy;
            s_root.onEnable  = OnEnable;
        }

        {//注册数据库变化回调
            ResourceManageToolModel.GetInstance().onResourceDBUpdate      = OnAssetDatabaseUpdate;
            ResourceManageToolModel.GetInstance().onResrouceDBStateChange = OnAssetDatabaseStateChange;
        }

        HSpliterCtrl hspliter = new HSpliterCtrl();

        s_root.RootCtrl           = hspliter;
        hspliter.layoutConstraint = LayoutConstraint.GetSpliterConstraint(30f);

        //用来放置上方菜单
        HBoxCtrl     hb0      = new HBoxCtrl();
        VSpliterCtrl vspliter = new VSpliterCtrl();

        vspliter.layoutConstraint = LayoutConstraint.GetSpliterConstraint(300f);
        vspliter.Dragable         = true;

        hspliter.Add(hb0);
        hspliter.Add(vspliter);

        //用来存放 资源列表、无引用资源列表
        VBoxCtrl vb0 = new VBoxCtrl();
        //用来存放 资源依赖项、反向引用
        VBoxCtrl vb1 = new VBoxCtrl();

        vspliter.Add(vb0);
        vspliter.Add(vb1);

        //左侧TabView
        TabViewCtrl leftTabView = new TabViewCtrl();
        //右侧TabView
        TabViewCtrl rightTabView = new TabViewCtrl();

        vb0.Add(leftTabView);
        vb1.Add(rightTabView);

        //资源列表
        TreeViewCtrl resTreeList = new TreeViewCtrl();

        resTreeList.Caption        = "资源列表";
        resTreeList.Name           = "_ResTreeList";
        resTreeList.onItemSelected = OnResourcesTreeViewSelectChanged;

        //无引用资源列表
        ListViewCtrl unUsedList = new ListViewCtrl();

        unUsedList.Caption        = "无引用资源";
        unUsedList.Name           = "_UnUsedResList";
        unUsedList.onItemSelected = OnUnUsedResourcesListViewSelectChanged;

        leftTabView.Add(resTreeList);
        leftTabView.Add(unUsedList);

        //资源依赖项
        TreeViewCtrl resRefTreeView = new TreeViewCtrl();

        resRefTreeView.Caption = "资源依赖项";
        resRefTreeView.Name    = "_ResRefTreeView";


        //反向引用
        TreeViewCtrl resReverseRefTreeView = new TreeViewCtrl();

        resReverseRefTreeView.Caption = "反向引用";
        resReverseRefTreeView.Name    = "_ResReverseRefTreeView";

        rightTabView.Add(resRefTreeView);
        rightTabView.Add(resReverseRefTreeView);


        Rect       btnRect   = new Rect(0, 0, 120, 20);
        ButtonCtrl searchBtn = new ButtonCtrl();

        searchBtn.Name     = "_SearchAllResources";
        searchBtn.Caption  = "扫描资源!";
        searchBtn.Size     = btnRect;
        searchBtn.onClick += OnSearchAllAssets;
        searchBtn.BtnColor = Color.green;
        searchBtn.Visiable = true;

        Rect comboBoxRect = new Rect(0, 0, 100, 20);
        ComboBoxCtrl <int> assetTypeCombo = new ComboBoxCtrl <int>(0);

        assetTypeCombo.Size          = comboBoxRect;
        assetTypeCombo.Name          = "_AssetTypeCombo";
        assetTypeCombo.onValueChange = OnFilterComboSelectChanged;

        List <IAssetFilter> assetFilters = ResourceManageToolModel.GetInstance().AssetFilterList;

        foreach (var filter in assetFilters)
        {
            AssetTypeFilter f = filter as AssetTypeFilter;
            assetTypeCombo.AddItem(new ComboItem(f.DisplayTypeName, f.TypeIndex));
        }

        assetTypeCombo.CurrValue = 0;

        TextBoxCtrl searchTextBox = new TextBoxCtrl();

        searchTextBox.Size          = comboBoxRect;
        searchTextBox.Icon          = UnityInternalIconCache.GetInstance().GetCacheIcon("d_ViewToolZoom");
        searchTextBox.Name          = "_SearchBox";
        searchTextBox.Caption       = "搜索";
        searchTextBox.Visiable      = true;
        searchTextBox.onValueChange = OnSearchTextBoxChange;

        ButtonCtrl helpBtn = new ButtonCtrl();

        helpBtn.Name     = "_HelpButton";
        helpBtn.Caption  = "帮助文档";
        helpBtn.onClick  = OnHelp;
        helpBtn.Size     = btnRect;
        helpBtn.Visiable = true;

        LabelCtrl stateLabel = new LabelCtrl();

        stateLabel.Name             = "_StateLabel";
        stateLabel.textColor        = Color.red;
        stateLabel.Caption          = "数据库没有更新,无法查看无用资源列表与反向引用!";
        stateLabel.layoutConstraint = LayoutConstraint.GetExtensibleViewConstraint();

        hb0.Add(searchBtn);
        hb0.Add(assetTypeCombo);
        hb0.Add(searchTextBox);
        hb0.Add(helpBtn);
        hb0.Add(stateLabel);
    }