ListModel.cs :  » GUI » TreeViewAdv » Aga » Controls » Tree » C# / CSharp Open Source

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;

namespace Aga.Controls.Tree{
  public class ListModel : TreeModelBase
  {
    private IList _list;

    public int Count
    {
      get { return _list.Count; }
    }

    public ListModel()
    {
      _list = new List<object>();
    }

    public ListModel(IList list)
    {
      _list = list;
    }

    public override IEnumerable GetChildren(TreePath treePath)
    {
      return _list;
    }

    public override bool IsLeaf(TreePath treePath)
    {
      return true;
    }

    public void AddRange(IEnumerable items)
    {
      foreach (object obj in items)
        _list.Add(obj);
      OnStructureChanged(new TreePathEventArgs(TreePath.Empty));
    }

    public void Add(object item)
    {
      _list.Add(item);
      OnNodesInserted(new TreeModelEventArgs(TreePath.Empty, new int[] { _list.Count - 1 }, new object[] { item }));
    }

    public void Clear()
    {
      _list.Clear();
      OnStructureChanged(new TreePathEventArgs(TreePath.Empty));
    }
  }
}