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.Drawing;
  31
  32 namespace System.Windows.Forms {
  33
  34         public class DataGridViewTextBoxCell : DataGridViewCell {
  35
  36                 private int maxInputLength = 32767;
  37                 private static DataGridViewTextBoxEditingControl editingControl;
  38
  39                 static DataGridViewTextBoxCell () {
  40                         editingControl = new DataGridViewTextBoxEditingControl();
  41                         editingControl.Multiline = false;
  42                         editingControl.BorderStyle = BorderStyle.None;
  43                 }
  44
  45                 public DataGridViewTextBoxCell () {
  46                 }
  47
  48                 public override Type FormattedValueType {
  49                         get { return typeof(string); }
  50                 }
  51
  52                 public virtual int MaxInputLength {
  53                         get { return maxInputLength; }
  54                         set {
  55                                 if (value < 0) {
  56                                         throw new ArgumentOutOfRangeException("MaxInputLength coudn't be less than 0.");
  57                                 }
  58                                 maxInputLength = value;
  59                         }
  60                 }
  61
  62                 public override Type ValueType {
  63                         get { return typeof(string); }
  64                 }
  65
  66                 public override object Clone () {
  67                         DataGridViewTextBoxCell result = (DataGridViewTextBoxCell) base.Clone();
  68                         result.maxInputLength = maxInputLength;
  69                         return result;
  70                 }
  71
  72                 public override void DetachEditingControl () {
  73                         if (DataGridView == null) {
  74                                 throw new InvalidOperationException("There is no associated DataGridView.");
  75                         }
  76                         if (DataGridView.Controls.Contains(editingControl)) {
  77                                 DataGridView.Controls.Remove(editingControl);
  78                         }
  79                         Console.WriteLine("Detached: ({0}, {1});", RowIndex, ColumnIndex);
  80                 }
  81
  82                 public override void InitializeEditingControl (int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle) {
  83                         if (DataGridView == null) {
  84                                 throw new InvalidOperationException("There is no associated DataGridView.");
  85                         }
  86                         if (!DataGridView.Controls.Contains(editingControl)) {
  87                                 DataGridView.Controls.Add(editingControl);
  88                         }
  89                         editingControl.EditingControlDataGridView = DataGridView;
  90                         editingControl.MaxLength = maxInputLength;
  91                         if (initialFormattedValue == null || (string) initialFormattedValue == "") {
  92                                 editingControl.Text = "";
  93                         }
  94                         else {
  95                                 editingControl.Text = (string) initialFormattedValue;
  96                         }
  97                         editingControl.ApplyCellStyleToEditingControl(dataGridViewCellStyle);
  98                         editingControl.PrepareEditingControlForEdit(true);
  99                 }
 100
 101                 public override bool KeyEntersEditMode (KeyEventArgs e) {
 102                         throw new NotImplementedException();
 103                 }
 104
 105                 public override void PositionEditingControl (bool setLocation, bool setSize, Rectangle cellBounds, Rectangle cellClip, DataGridViewCellStyle cellStyle, bool singleVerticalBorderAdded, bool singleHorizontalBorderAdded, bool isFirstDisplayedColumn, bool isFirstDisplayedRow) {
 106                         if (setSize) {
 107                                 editingControl.Size = new Size(cellBounds.Width, cellBounds.Height + 2);
 108                         }
 109                         if (setLocation) {
 110                                 editingControl.Location = new Point(cellBounds.X, cellBounds.Y);
 111                         }
 112                         editingControl.Invalidate();
 113                 }
 114
 115                 public override string ToString () {
 116                         return this.GetType().Name;
 117                 }
 118
 119                 protected override Rectangle GetContentBounds (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex) {
 120                         throw new NotImplementedException();
 121                 }
 122
 123                 protected override Rectangle GetErrorIconBounds (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex) {
 124                         throw new NotImplementedException();
 125                 }
 126
 127                 protected override Size GetPreferredSize (Graphics graphics, DataGridViewCellStyle cellStyle, int rowIndex, Size constraintSize) {
 128                         throw new NotImplementedException();
 129                 }
 130
 131                 protected override void OnEnter (int rowIndex, bool throughMouseClick) {
 132                 }
 133
 134                 protected override void OnLeave (int rowIndex, bool throughMouseClick) {
 135                 }
 136
 137                 protected override void OnMouseClick (DataGridViewCellMouseEventArgs e) {
 138                 }
 139
 140                 protected override void OnMouseEnter (int rowIndex) {
 141                 }
 142
 143                 protected override void OnMouseLeave (int rowIndex) {
 144                 }
 145
 146                 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) {
 147                         //////////////////
 148                         /*
 149                         Size size = DataGridViewCell.MeasureTextSize(graphics, (string) formattedValue, cellStyle.Font, TextFormatFlags.Default);
 150                         switch (cellStyle.Alignment) {
 151                                 case DataGridViewContentAlignment.TopLeft:
 152                                         break;
 153                         }
 154                         //cell.SetContentBounds(cellBounds);
 155                         */
 156                         //////////////////
 157                         if ((cellState & DataGridViewElementStates.Selected) != 0) {
 158                                 graphics.FillRectangle(new SolidBrush(cellStyle.SelectionBackColor), cellBounds);
 159                                 graphics.DrawString((string) formattedValue, cellStyle.Font, new SolidBrush(cellStyle.SelectionForeColor), cellBounds, StringFormat.GenericDefault);
 160                         }
 161                         else {
 162                                 graphics.FillRectangle(new SolidBrush(cellStyle.BackColor), cellBounds);
 163                                 graphics.DrawString((string) formattedValue, cellStyle.Font, new SolidBrush(cellStyle.ForeColor), cellBounds, StringFormat.GenericDefault);
 164                         }
 165                         PaintBorder(graphics, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
 166                 }
 167
 168                 protected override void OnDataGridViewChanged () {
 169                         editingControl.EditingControlDataGridView = DataGridView;
 170                 }
 171
 172         }
 173
 174 }
 175
 176 #endif