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                         if (DataGridView.Controls.Contains(editingControl)) {
  84                                 DataGridView.Controls.Remove(editingControl);
  85                         }
  86                         Console.WriteLine("Detached: ({0}, {1});", RowIndex, ColumnIndex);
  87                 }
  88
  89                 public override void InitializeEditingControl (int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
  90                 {
  91                         if (DataGridView == null) {
  92                                 throw new InvalidOperationException("There is no associated DataGridView.");
  93                         }
  94                         if (!DataGridView.Controls.Contains(editingControl)) {
  95                                 DataGridView.Controls.Add(editingControl);
  96                         }
  97                         editingControl.EditingControlDataGridView = DataGridView;
  98                         editingControl.MaxLength = maxInputLength;
  99                         if (initialFormattedValue == null || (string) initialFormattedValue == "") {
 100                                 editingControl.Text = "";
 101                         }
 102                         else {
 103                                 editingControl.Text = (string) initialFormattedValue;
 104                         }
 105                         editingControl.ApplyCellStyleToEditingControl(dataGridViewCellStyle);
 106                         editingControl.PrepareEditingControlForEdit(true);
 107                 }
 108
 109                 public override bool KeyEntersEditMode (KeyEventArgs e)
 110                 {
 111                         throw new NotImplementedException();
 112                 }
 113
 114                 public override void PositionEditingControl (bool setLocation, bool setSize, Rectangle cellBounds, Rectangle cellClip, DataGridViewCellStyle cellStyle, bool singleVerticalBorderAdded, bool singleHorizontalBorderAdded, bool isFirstDisplayedColumn, bool isFirstDisplayedRow)
 115                 {
 116                         if (setSize) {
 117                                 editingControl.Size = new Size(cellBounds.Width, cellBounds.Height + 2);
 118                         }
 119                         if (setLocation) {
 120                                 editingControl.Location = new Point(cellBounds.X, cellBounds.Y);
 121                         }
 122                         editingControl.Invalidate();
 123                 }
 124
 125                 public override string ToString ()
 126                 {
 127                         return this.GetType().Name;
 128                 }
 129
 130                 protected override Rectangle GetContentBounds (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex)
 131                 {
 132                         throw new NotImplementedException();
 133                 }
 134
 135                 protected override Rectangle GetErrorIconBounds (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex)
 136                 {
 137                         throw new NotImplementedException();
 138                 }
 139
 140                 protected override Size GetPreferredSize (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex, Size constraintSize)
 141                 {
 142                         throw new NotImplementedException();
 143                 }
 144
 145                 protected override void OnEnter (int rowIndex, bool throughMouseClick)
 146                 {
 147                 }
 148
 149                 protected override void OnLeave (int rowIndex, bool throughMouseClick)
 150                 {
 151                 }
 152
 153                 protected override void OnMouseClick (DataGridViewCellMouseEventArgs e)
 154                 {
 155                 }
 156
 157                 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)
 158                 {
 159                         //////////////////
 160                         /*
 161                         Size size = DataGridViewCell.MeasureTextSize(graphics, (string) formattedValue, cellStyle.Font, TextFormatFlags.Default);
 162                         switch (cellStyle.Alignment) {
 163                                 case DataGridViewContentAlignment.TopLeft:
 164                                         break;
 165                         }
 166                         //cell.SetContentBounds(cellBounds);
 167                         */
 168                         //////////////////
 169                         if ((cellState & DataGridViewElementStates.Selected) != 0) {
 170                                 graphics.FillRectangle(new SolidBrush(cellStyle.SelectionBackColor), cellBounds);
 171                                 graphics.DrawString((string) formattedValue, cellStyle.Font, new SolidBrush(cellStyle.SelectionForeColor), cellBounds, StringFormat.GenericDefault);
 172                         }
 173                         else {
 174                                 graphics.FillRectangle(new SolidBrush(cellStyle.BackColor), cellBounds);
 175                                 graphics.DrawString((string) formattedValue, cellStyle.Font, new SolidBrush(cellStyle.ForeColor), cellBounds, StringFormat.GenericDefault);
 176                         }
 177                         PaintBorder(graphics, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
 178                 }
 179
 180         }
 181
 182 }
 183
 184 #endif