mcs/class/Managed.Windows.Forms/System.Windows.Forms/DataGridTextBox.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Author:
  23 //      Jordi Mas i Hernandez <jordi@ximian.com>
  24 //
  25 //
  26
  27 // NOT COMPLETE
  28
  29 using System.ComponentModel;
  30 using System.Drawing;
  31 using System.Runtime.InteropServices;
  32 using System.Diagnostics;
  33
  34 namespace System.Windows.Forms
  35 {
  36         [DefaultProperty("GridEditName")]
  37         [DesignTimeVisible(false)]
  38         [ToolboxItem(false)]
  39         public class DataGridTextBox : TextBox
  40         {
  41
  42                 #region Local Variables
  43                 private bool isedit;
  44                 private DataGrid grid;
  45                 #endregion      // Local Variables
  46
  47                 #region Constructors
  48                 public DataGridTextBox ()
  49                 {
  50                         isedit = true;
  51                         grid = null;
  52
  53                         SetStyle (ControlStyles.UserPaint | ControlStyles.StandardClick | ControlStyles.StandardDoubleClick, false);
  54                         SetStyle (ControlStyles.FixedHeight, true);
  55                 }
  56                 #endregion
  57
  58                 #region Public Instance Properties
  59                 public bool IsInEditOrNavigateMode {
  60                         get {
  61                                 return isedit;
  62                         }
  63                         set {
  64                                 if (value != isedit) {
  65                                         isedit = value;
  66                                 }
  67                         }
  68                 }
  69
  70                 #endregion      // Public Instance Properties
  71
  72                 #region Public Instance Methods
  73                 protected override void OnKeyPress (KeyPressEventArgs e)
  74                 {
  75                         grid.is_changing = true;
  76                         grid.InvalidateCurrentRowHeader ();
  77                         base.OnKeyPress (e);
  78                 }
  79
  80                 protected override void OnMouseWheel (MouseEventArgs e)
  81                 {
  82                         base.OnMouseWheel (e);
  83                 }
  84
  85                 protected internal override bool ProcessKeyMessage (ref Message m)
  86                 {
  87                         Keys key = (Keys) m.WParam.ToInt32 ();
  88
  89                         switch (key) {
  90                         case Keys.Return:
  91                                 grid.EndEdit (false);
  92                                 return true;
  93
  94                         case Keys.Escape:
  95                                 grid.EndEdit (true);
  96                                 return true;
  97
  98                         case Keys.Right:
  99                         case Keys.Tab:
 100                         case Keys.Up:
 101                         case Keys.Down:
 102                         case Keys.PageUp:
 103                         case Keys.PageDown:
 104                         case Keys.Home:
 105                         case Keys.End:
 106                                 grid.EndEdit (false);
 107                                 break;
 108
 109                         default:
 110                                 break;
 111                         }
 112
 113                         isedit = false;
 114                         return base.ProcessKeyMessage (ref m);
 115                 }
 116
 117                 public void SetDataGrid (DataGrid parentGrid)
 118                 {
 119                         grid = parentGrid;
 120                 }
 121
 122                 protected override void WndProc (ref Message m)
 123                 {
 124                         base.WndProc (ref m);
 125                 }
 126
 127                 #endregion      // Public Instance Methods
 128
 129         }
 130 }