source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Common/NotifyingPanels/NotifyingUIElementCollection.cs @ 13757

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Controls;
using System.Windows;
using System.Collections.Specialized;
using System.Collections.ObjectModel;

namespace Microsoft.Research.DynamicDataDisplay.Common
{
  internal sealed class NotifyingUIElementCollection : UIElementCollection, INotifyCollectionChanged
  {
    public NotifyingUIElementCollection(UIElement visualParent, FrameworkElement logicalParent)
      : base(visualParent, logicalParent)
    {
      collection.CollectionChanged += OnCollectionChanged;
    }

    private void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
    {
      CollectionChanged.Raise(this, e);
    }

    #region Overrides

    private readonly D3UIElementCollection collection = new D3UIElementCollection();

    public override int Add(UIElement element)
    {
      collection.Add(element);
      return base.Add(element);
    }

    public override void Clear()
    {
      collection.Clear();
      base.Clear();
    }

    public override void Insert(int index, UIElement element)
    {
      collection.Insert(index, element);
      base.Insert(index, element);
    }

    public override void Remove(UIElement element)
    {
      collection.Remove(element);
      base.Remove(element);
    }

    public override void RemoveAt(int index)
    {
      collection.RemoveAt(index);
      base.RemoveAt(index);
    }

    public override void RemoveRange(int index, int count)
    {
      for (int i = index; i < index + count; i++)
      {
        collection.RemoveAt(i);
      }
      base.RemoveRange(index, count);
    }

    public override UIElement this[int index]
    {
      get
      {
        return base[index];
      }
      set
      {
        collection[index] = value;
        base[index] = value;
      }
    }

    public override int Count
    {
      get
      {
        return collection.Count;
      }
    }

    #endregion

    #region INotifyCollectionChanged Members

    public event NotifyCollectionChangedEventHandler CollectionChanged;

    #endregion
  }

  internal sealed class D3UIElementCollection : D3Collection<UIElement>
  {
    protected override void OnItemAdding(UIElement item)
    {
      if (item == null)
        throw new ArgumentNullException("item");
    }
  }
}