Merge branch 'master' of https://twinetfs.visualstudio.com/_git/Tango

1 files changed, 90 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Xml/AXmlObjectCollection.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Xml/AXmlObjectCollection.cs
new file mode 100644
index 000000000..3a2c7cc21
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Xml/AXmlObjectCollection.cs
@@ -0,0 +1,90 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
+using System.Linq;
+
+namespace Tango.Scripting.Editors.Xml
+{
+	/// <summary>
+	/// Collection that is publicly read-only and has support 
+	/// for adding/removing multiple items at a time.
+	/// </summary>
+	public class AXmlObjectCollection<T>: Collection<T>, INotifyCollectionChanged
+	{
+		/// <summary> Occurs when the collection is changed </summary>
+		public event NotifyCollectionChangedEventHandler CollectionChanged;
+		
+		/// <summary> Raises <see cref="CollectionChanged"/> event </summary>
+		// Do not inherit - it is not called if event is null
+		void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
+		{
+			if (CollectionChanged != null) {
+				CollectionChanged(this, e);
+			}
+		}
+		
+		/// <inheritdoc/>
+		protected override void ClearItems()
+		{
+			throw new NotSupportedException();
+		}
+		
+		/// <inheritdoc/>
+		protected override void InsertItem(int index, T item)
+		{
+			throw new NotSupportedException();
+		}
+		
+		/// <inheritdoc/>
+		protected override void RemoveItem(int index)
+		{
+			throw new NotSupportedException();
+		}
+		
+		/// <inheritdoc/>
+		protected override void SetItem(int index, T item)
+		{
+			throw new NotSupportedException();
+		}
+		
+		internal void InsertItemAt(int index, T item)
+		{
+			base.InsertItem(index, item);
+			if (CollectionChanged != null)
+				OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, new T[] { item }.ToList(), index));
+		}
+		
+		internal void RemoveItemAt(int index)
+		{
+			T removed = this[index];
+			base.RemoveItem(index);
+			if (CollectionChanged != null)
+				OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, new T[] { removed }.ToList(), index));
+		}
+		
+		internal void InsertItemsAt(int index, IList<T> items)
+		{
+			for(int i = 0; i < items.Count; i++) {
+				base.InsertItem(index + i, items[i]);
+			}
+			if (CollectionChanged != null)
+				OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, (IList)items, index));
+		}
+		
+		internal void RemoveItemsAt(int index, int count)
+		{
+			List<T> removed = new List<T>();
+			for(int i = 0; i < count; i++) {
+				removed.Add(this[index]);
+				base.RemoveItem(index);
+			}
+			if (CollectionChanged != null)
+				OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, (IList)removed, index));
+		}
+	}
+}