107 lines
2.1 KiB
C#
107 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows.Controls;
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using System.Windows;
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using System.Collections.Specialized;
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using System.Collections.ObjectModel;
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namespace Microsoft.Research.DynamicDataDisplay.Common
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{
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internal sealed class NotifyingUIElementCollection : UIElementCollection, INotifyCollectionChanged
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{
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public NotifyingUIElementCollection(UIElement visualParent, FrameworkElement logicalParent)
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: base(visualParent, logicalParent)
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{
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collection.CollectionChanged += OnCollectionChanged;
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}
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private void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
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{
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CollectionChanged.Raise(this, e);
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}
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#region Overrides
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private readonly D3UIElementCollection collection = new D3UIElementCollection();
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public override int Add(UIElement element)
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{
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collection.Add(element);
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return base.Add(element);
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}
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public override void Clear()
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{
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collection.Clear();
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base.Clear();
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}
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public override void Insert(int index, UIElement element)
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{
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collection.Insert(index, element);
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base.Insert(index, element);
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}
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public override void Remove(UIElement element)
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{
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collection.Remove(element);
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base.Remove(element);
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}
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public override void RemoveAt(int index)
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{
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collection.RemoveAt(index);
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base.RemoveAt(index);
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}
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public override void RemoveRange(int index, int count)
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{
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for (int i = index; i < index + count; i++)
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{
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collection.RemoveAt(i);
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}
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base.RemoveRange(index, count);
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}
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public override UIElement this[int index]
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{
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get
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{
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return base[index];
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}
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set
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{
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collection[index] = value;
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base[index] = value;
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}
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}
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public override int Count
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{
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get
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{
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return collection.Count;
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}
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}
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#endregion
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#region INotifyCollectionChanged Members
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public event NotifyCollectionChangedEventHandler CollectionChanged;
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#endregion
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}
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internal sealed class D3UIElementCollection : D3Collection<UIElement>
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{
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protected override void OnItemAdding(UIElement item)
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{
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if (item == null)
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throw new ArgumentNullException("item");
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}
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}
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}
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