using System;

using System.Collections.Generic;

using System.Text;

using System.ComponentModel.Design;

using System.Collections.ObjectModel;

using System.ComponentModel;

using System.Drawing.Design;

namespace Aga.Controls.Tree.NodeControls

{

	internal class NodeControlsCollection : Collection<NodeControl>

	{

		private TreeViewAdv _tree;

		public NodeControlsCollection(TreeViewAdv tree)

		{

			_tree = tree;

		}

		protected override void ClearItems()

		{

			_tree.BeginUpdate();

			try

			{

				while (this.Count != 0)

					this.RemoveAt(this.Count - 1);

			}

			finally

			{

				_tree.EndUpdate();

			}

		}

		protected override void InsertItem(int index, NodeControl item)

		{

			if (item == null)

				throw new ArgumentNullException("item");

			if (item.Parent != _tree)

			{

				if (item.Parent != null)

				{

					item.Parent.NodeControls.Remove(item);

				}

				base.InsertItem(index, item);

				item.AssignParent(_tree);

				_tree.FullUpdate();

			}

		}

		protected override void RemoveItem(int index)

		{

			NodeControl value = this[index];

			value.AssignParent(null);

			base.RemoveItem(index);

			_tree.FullUpdate();

		}

		protected override void SetItem(int index, NodeControl item)

		{

			if (item == null)

				throw new ArgumentNullException("item");

			_tree.BeginUpdate();

			try

			{

				RemoveAt(index);

				InsertItem(index, item);

			}

			finally

			{

				_tree.EndUpdate();

			}

		}

	}

	internal class NodeControlCollectionEditor : CollectionEditor

	{

		private Type[] _types;

		public NodeControlCollectionEditor(Type type)

			: base(type)

		{

			_types = new Type[] { typeof(NodeTextBox), typeof(NodeIntegerTextBox), typeof(NodeDecimalTextBox), 

				typeof(NodeComboBox), typeof(NodeCheckBox),

				typeof(NodeStateIcon), typeof(NodeIcon), typeof(NodeNumericUpDown), typeof(ExpandingIcon)  };

		}

		protected override System.Type[] CreateNewItemTypes()

		{

			return _types;

		}

	}

}