mcs/class/Managed.Windows.Forms/System.Windows.Forms/DataGridViewTextBoxCell.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 //      Pedro Martínez Juliá <pedromj@gmail.com>
  24 //
  25
  26
  27 #if NET_2_0
  28
  29 using System;
  30 using System.ComponentModel;
  31 using System.Drawing;
  32
  33 namespace System.Windows.Forms {
  34
  35         public class DataGridViewTextBoxCell : DataGridViewCell {
  36
  37                 private int maxInputLength = 32767;
  38                 private static DataGridViewTextBoxEditingControl editingControl;
  39
  40                 static DataGridViewTextBoxCell ()
  41                 {
  42                         editingControl = new DataGridViewTextBoxEditingControl();
  43                         editingControl.Multiline = false;
  44                         editingControl.BorderStyle = BorderStyle.None;
  45                 }
  46
  47                 public DataGridViewTextBoxCell ()
  48                 {
  49                 }
  50
  51                 public override Type FormattedValueType {
  52                         get { return typeof(string); }
  53                 }
  54
  55                 [DefaultValue (32767)]
  56                 public virtual int MaxInputLength {
  57                         get { return maxInputLength; }
  58                         set {
  59                                 if (value < 0) {
  60                                         throw new ArgumentOutOfRangeException("MaxInputLength coudn't be less than 0.");
  61                                 }
  62                                 maxInputLength = value;
  63                         }
  64                 }
  65
  66                 public override Type ValueType {
  67                         get { return typeof(string); }
  68                 }
  69
  70                 public override object Clone ()
  71                 {
  72                         DataGridViewTextBoxCell result = (DataGridViewTextBoxCell) base.Clone();
  73                         result.maxInputLength = maxInputLength;
  74                         return result;
  75                 }
  76
  77                 [EditorBrowsable (EditorBrowsableState.Advanced)]
  78                 public override void DetachEditingControl ()
  79                 {
  80                         if (DataGridView == null) {
  81                                 throw new InvalidOperationException("There is no associated DataGridView.");
  82                         }
  83
  84                         DataGridView.EditingControlInternal = null;
  85                 }
  86
  87                 public override void InitializeEditingControl (int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
  88                 {
  89                         if (DataGridView == null) {
  90                                 throw new InvalidOperationException("There is no associated DataGridView.");
  91                         }
  92
  93                         DataGridView.EditingControlInternal = editingControl;
  94
  95                         editingControl.EditingControlDataGridView = DataGridView;
  96                         editingControl.MaxLength = maxInputLength;
  97                         if (initialFormattedValue == null || (string) initialFormattedValue == "") {
  98                                 editingControl.Text = "";
  99                         }
 100                         else {
 101                                 editingControl.Text = (string) initialFormattedValue;
 102                         }
 103                         editingControl.ApplyCellStyleToEditingControl(dataGridViewCellStyle);
 104                         editingControl.PrepareEditingControlForEdit(true);
 105                 }
 106
 107                 public override bool KeyEntersEditMode (KeyEventArgs e)
 108                 {
 109                         throw new NotImplementedException();
 110                 }
 111
 112                 public override void PositionEditingControl (bool setLocation, bool setSize, Rectangle cellBounds, Rectangle cellClip, DataGridViewCellStyle cellStyle, bool singleVerticalBorderAdded, bool singleHorizontalBorderAdded, bool isFirstDisplayedColumn, bool isFirstDisplayedRow)
 113                 {
 114                         if (setSize) {
 115                                 editingControl.Size = new Size(cellBounds.Width, cellBounds.Height + 2);
 116                         }
 117                         if (setLocation) {
 118                                 editingControl.Location = new Point(cellBounds.X, cellBounds.Y);
 119                         }
 120                         editingControl.Invalidate();
 121                 }
 122
 123                 public override string ToString ()
 124                 {
 125                         return this.GetType().Name;
 126                 }
 127
 128                 protected override Rectangle GetContentBounds (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex)
 129                 {
 130                         throw new NotImplementedException();
 131                 }
 132
 133                 protected override Rectangle GetErrorIconBounds (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex)
 134                 {
 135                         throw new NotImplementedException();
 136                 }
 137
 138                 protected override Size GetPreferredSize (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex, Size constraintSize)
 139                 {
 140                         throw new NotImplementedException();
 141                 }
 142
 143                 protected override void OnEnter (int rowIndex, bool throughMouseClick)
 144                 {
 145                 }
 146
 147                 protected override void OnLeave (int rowIndex, bool throughMouseClick)
 148                 {
 149                 }
 150
 151                 protected override void OnMouseClick (DataGridViewCellMouseEventArgs e)
 152                 {
 153                 }
 154
 155                 protected override void Paint (Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
 156                 {
 157                         //////////////////
 158                         /*
 159                         Size size = DataGridViewCell.MeasureTextSize(graphics, (string) formattedValue, cellStyle.Font, TextFormatFlags.Default);
 160                         switch (cellStyle.Alignment) {
 161                                 case DataGridViewContentAlignment.TopLeft:
 162                                         break;
 163                         }
 164                         //cell.SetContentBounds(cellBounds);
 165                         */
 166                         //////////////////
 167                         StringFormat format;
 168                         Brush forecolor_brush;
 169                         Brush backcolor_brush;
 170                         Rectangle text_rect = cellBounds;
 171                         Rectangle borders = BorderWidths (advancedBorderStyle);
 172
 173                         text_rect.X += borders.X;
 174                         text_rect.Y += borders.Y;
 175                         text_rect.Height -= (borders.Y + borders.Height);
 176                         text_rect.Width -= (borders.X + borders.Width);
 177
 178                         format = cellStyle.SetAlignment ((StringFormat) StringFormat.GenericTypographic.Clone ());
 179                         if ((cellState & DataGridViewElementStates.Selected) != 0 && !IsInEditMode) {
 180                                 backcolor_brush =  ThemeEngine.Current.ResPool.GetSolidBrush (cellStyle.SelectionBackColor);
 181                                 forecolor_brush = ThemeEngine.Current.ResPool.GetSolidBrush (cellStyle.SelectionForeColor);
 182                         } else {
 183                                 backcolor_brush =  ThemeEngine.Current.ResPool.GetSolidBrush (cellStyle.BackColor);
 184                                 forecolor_brush = ThemeEngine.Current.ResPool.GetSolidBrush (cellStyle.ForeColor);
 185                         }
 186
 187                         graphics.FillRectangle (backcolor_brush, cellBounds);
 188                         graphics.DrawString ((string) formattedValue, cellStyle.Font, forecolor_brush, text_rect, format);
 189                         PaintBorder (graphics, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
 190                 }
 191
 192         }
 193
 194 }
 195
 196 #endif