// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
//
// Author:
//	Jordi Mas i Hernandez <jordi@ximian.com>
//
//

// NOT COMPLETE

using System.ComponentModel;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Diagnostics;

namespace System.Windows.Forms
{
	[DefaultProperty("GridEditName")]
	[DesignTimeVisible(false)]
	[ToolboxItem(false)]
	public class DataGridTextBox : TextBox
	{

		#region	Local Variables
		private bool isedit;
		private DataGrid grid;
		#endregion	// Local Variables

		#region Constructors
		public DataGridTextBox ()
		{
			isedit = true;
			grid = null;

			SetStyle (ControlStyles.UserPaint | ControlStyles.StandardClick | ControlStyles.StandardDoubleClick, false);
			SetStyle (ControlStyles.FixedHeight, true);
		}
		#endregion

		#region Public Instance Properties
		public bool IsInEditOrNavigateMode {
			get {
				return isedit;
			}
			set {
				if (value != isedit) {
					isedit = value;
				}
			}
		}

		#endregion	// Public Instance Properties

		#region Public Instance Methods
		protected override void OnKeyPress (KeyPressEventArgs e)
		{			
			grid.is_changing = true;
			grid.InvalidateCurrentRowHeader ();
			base.OnKeyPress (e);
		}

		protected override void OnMouseWheel (MouseEventArgs e)
		{
			base.OnMouseWheel (e);
		}

		protected internal override bool ProcessKeyMessage (ref Message m)
		{
			Keys key = (Keys) m.WParam.ToInt32 ();
			
			switch (key) {
			case Keys.Return:
				grid.EndEdit (false);
				return true;
			
			case Keys.Escape:
				grid.EndEdit (true);
				return true;
				
			case Keys.Right:
			case Keys.Tab:
			case Keys.Up:
			case Keys.Down:
			case Keys.PageUp:
			case Keys.PageDown:
			case Keys.Home:
			case Keys.End:
				grid.EndEdit (false);
				break;
			
			default:
				break;
			}			
			
			isedit = false;
			return base.ProcessKeyMessage (ref m);
		}

		public void SetDataGrid (DataGrid parentGrid)
		{
			grid = parentGrid;
		}

		protected override void WndProc (ref Message m)
		{
			base.WndProc (ref m);
		}

		#endregion	// Public Instance Methods

	}
}