wuxianshengcong/Library/PackageCache/com.unity.2d.psdimporter@8.0.5/Editor/UTK/UIColumn.cs

using System;
using UnityEngine;
using UnityEngine.UIElements;

namespace UnityEditor.U2D.PSD
{
    internal interface IColumnUpdate
    {
        void Update();
    }

    internal interface IUIModuleColumn
    {
        Column[] MakeColumn(PSDImporterLayerManagementMultiColumnTreeView treeView, SerializedProperty module);
    }
    
     internal class UICellElement : VisualElement
     {
         PSDImporterLayerManagementMultiColumnTreeView m_MultiColumnTreeView;
         int m_Index;
         
         public UICellElement()
         { }

         public virtual void BindPSDNode(int index, PSDImporterLayerManagementMultiColumnTreeView treeView)
         {
             UnbindPSDNode();
             this.index = index;
             this.treeView = treeView;
         }
         
         public virtual void UnbindPSDNode()
         {
             index = -1;
         }
         
         public PSDTreeViewNode psdTreeViewNode => index <0 ? null : treeView.GetFromIndex(index);

         protected int index
         {
             get => m_Index;
             set => m_Index = value;
         }

         protected PSDImporterLayerManagementMultiColumnTreeView treeView
         {
             get => m_MultiColumnTreeView;
             set => m_MultiColumnTreeView = value;
         }
     }
     
     internal class UIColumn : Column
     {
         PSDImporterLayerManagementMultiColumnTreeView m_TreeView;

         public UIColumn(PSDImporterLayerManagementMultiColumnTreeView treeView)
         {
             m_TreeView = treeView;
         }
         private UIColumn() { }
         protected PSDImporterLayerManagementMultiColumnTreeView treeView => m_TreeView;
     }

     
}