Code/Tools/LuaRemoteDebugger/Aga.Controls/Tree/SortedTreeModel.cs

   1 // Copyright 2001-2019 Crytek GmbH / Crytek Group. All rights reserved.
   2
   3 using System;
   4 using System.Collections.Generic;
   5 using System.Text;
   6 using System.Collections;
   7
   8 namespace Aga.Controls.Tree
   9 {
  10         public class SortedTreeModel: TreeModelBase
  11         {
  12                 private ITreeModel _innerModel;
  13                 public ITreeModel InnerModel
  14                 {
  15                         get { return _innerModel; }
  16                 }
  17
  18                 private IComparer _comparer;
  19                 public IComparer Comparer
  20                 {
  21                         get { return _comparer; }
  22                         set
  23                         {
  24                                 _comparer = value;
  25                                 OnStructureChanged(new TreePathEventArgs(TreePath.Empty));
  26                         }
  27                 }
  28
  29                 public SortedTreeModel(ITreeModel innerModel)
  30                 {
  31                         _innerModel = innerModel;
  32                         _innerModel.NodesChanged += new EventHandler<TreeModelEventArgs>(_innerModel_NodesChanged);
  33                         _innerModel.NodesInserted += new EventHandler<TreeModelEventArgs>(_innerModel_NodesInserted);
  34                         _innerModel.NodesRemoved += new EventHandler<TreeModelEventArgs>(_innerModel_NodesRemoved);
  35                         _innerModel.StructureChanged += new EventHandler<TreePathEventArgs>(_innerModel_StructureChanged);
  36                 }
  37
  38                 void _innerModel_StructureChanged(object sender, TreePathEventArgs e)
  39                 {
  40                         OnStructureChanged(e);
  41                 }
  42
  43                 void _innerModel_NodesRemoved(object sender, TreeModelEventArgs e)
  44                 {
  45                         OnStructureChanged(new TreePathEventArgs(e.Path));
  46                 }
  47
  48                 void _innerModel_NodesInserted(object sender, TreeModelEventArgs e)
  49                 {
  50                         OnStructureChanged(new TreePathEventArgs(e.Path));
  51                 }
  52
  53                 void _innerModel_NodesChanged(object sender, TreeModelEventArgs e)
  54                 {
  55                         OnStructureChanged(new TreePathEventArgs(e.Path));
  56                 }
  57
  58                 public override IEnumerable GetChildren(TreePath treePath)
  59                 {
  60                         if (Comparer != null)
  61                         {
  62                                 ArrayList list = new ArrayList();
  63                                 IEnumerable res = InnerModel.GetChildren(treePath);
  64                                 if (res != null)
  65                                 {
  66                                         foreach (object obj in res)
  67                                                 list.Add(obj);
  68                                         list.Sort(Comparer);
  69                                         return list;
  70                                 }
  71                                 else
  72                                         return null;
  73                         }
  74                         else
  75                                 return InnerModel.GetChildren(treePath);
  76                 }
  77
  78                 public override bool IsLeaf(TreePath treePath)
  79                 {
  80                         return InnerModel.IsLeaf(treePath);
  81                 }
  82         }
  83 }