mcs/class/Managed.Windows.Forms/System.Windows.Forms/DataGridViewHeaderCell.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 using System.ComponentModel;
  27 using System.Drawing;
  28
  29 namespace System.Windows.Forms {
  30         public class DataGridViewHeaderCell : DataGridViewCell {
  31
  32                 private ButtonState buttonState;
  33
  34                 public DataGridViewHeaderCell ()
  35                 {
  36                         buttonState = ButtonState.Normal;
  37                 }
  38
  39                 [Browsable (false)]
  40                 public override bool Displayed {
  41                         get { return base.Displayed; }
  42                 }
  43
  44                 public override Type FormattedValueType {
  45                         get { return typeof(string); } //base.FormattedValueType; }
  46                 }
  47
  48                 [Browsable (false)]
  49                 public override bool Frozen {
  50                         get { return base.Frozen; }
  51                 }
  52
  53                 [Browsable (false)]
  54                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  55                 public override bool ReadOnly {
  56                         get { return base.ReadOnly; }
  57                         set { base.ReadOnly = value; }
  58                 }
  59
  60                 [Browsable (false)]
  61                 public override bool Resizable {
  62                         get { return base.Resizable; }
  63                 }
  64
  65                 [Browsable (false)]
  66                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  67                 public override bool Selected {
  68                         get { return base.Selected; }
  69                         set { base.Selected = value; }
  70                 }
  71
  72                 public override Type ValueType {
  73                         get { return base.ValueType; }
  74                         set { base.ValueType = value; }
  75                 }
  76
  77                 [Browsable (false)]
  78                 public override bool Visible {
  79                         get { return base.Visible; }
  80                 }
  81
  82                 public override object Clone ()
  83                 {
  84                         DataGridViewHeaderCell result = new DataGridViewHeaderCell();
  85                         return result;
  86                 }
  87
  88                 protected override void Dispose (bool disposing)
  89                 {
  90                 }
  91
  92                 public override ContextMenuStrip GetInheritedContextMenuStrip (int rowIndex)
  93                 {
  94                         if (DataGridView == null)
  95                                 return null;
  96
  97                         if (ContextMenuStrip != null)
  98                                 return ContextMenuStrip;
  99                         if (DataGridView.ContextMenuStrip != null)
 100                                 return DataGridView.ContextMenuStrip;
 101
 102                         return null;
 103                 }
 104
 105                 public override DataGridViewElementStates GetInheritedState (int rowIndex)
 106                 {
 107                         DataGridViewElementStates result;
 108
 109                         result = DataGridViewElementStates.ResizableSet | State;
 110
 111                         return result;
 112                 }
 113
 114                 public override string ToString ()
 115                 {
 116                         return string.Format ("DataGridViewHeaderCell {{ ColumnIndex={0}, RowIndex={1} }}", ColumnIndex, RowIndex);
 117                 }
 118
 119                 protected override Size GetSize (int rowIndex)
 120                 {
 121                         if (DataGridView == null && rowIndex != -1)
 122                                 throw new ArgumentOutOfRangeException ("rowIndex");
 123                         if (OwningColumn != null && rowIndex != -1)
 124                                 throw new ArgumentOutOfRangeException ("rowIndex");
 125                         if (OwningRow != null && (rowIndex < 0 || rowIndex >= DataGridView.Rows.Count))
 126                                 throw new ArgumentOutOfRangeException ("rowIndex");
 127                         if (OwningColumn == null && OwningRow == null && rowIndex != -1)
 128                                 throw new ArgumentOutOfRangeException ("rowIndex");
 129                         if (OwningRow != null && OwningRow.Index != rowIndex)
 130                                 throw new ArgumentException ("rowIndex");
 131
 132                         if (DataGridView == null)
 133                                 return new Size (-1, -1);
 134
 135                         if (this is DataGridViewTopLeftHeaderCell)
 136                                 return new Size (DataGridView.RowHeadersWidth, DataGridView.ColumnHeadersHeight);
 137                         if (this is DataGridViewColumnHeaderCell)
 138                                 return new Size (100, DataGridView.ColumnHeadersHeight);
 139                         if (this is DataGridViewRowHeaderCell)
 140                                 return new Size (DataGridView.RowHeadersWidth, 22);
 141
 142                         return Size.Empty;
 143                 }
 144
 145                 protected override object GetValue (int rowIndex)
 146                 {
 147                         return base.GetValue (rowIndex);
 148                 }
 149
 150                 protected override bool MouseDownUnsharesRow (DataGridViewCellMouseEventArgs e)
 151                 {
 152                         if (DataGridView == null)
 153                                 return false;
 154
 155                         if (e.Button == MouseButtons.Left && Application.RenderWithVisualStyles && DataGridView.EnableHeadersVisualStyles)
 156                                 return true;
 157
 158                         return false;
 159                 }
 160
 161                 protected override bool MouseEnterUnsharesRow (int rowIndex)
 162                 {
 163                         if (DataGridView == null)
 164                                 return false;
 165
 166                         if (Application.RenderWithVisualStyles && DataGridView.EnableHeadersVisualStyles)
 167                                 return true;
 168
 169                         return false;
 170                 }
 171
 172                 protected override bool MouseLeaveUnsharesRow (int rowIndex)
 173                 {
 174                         if (DataGridView == null)
 175                                 return false;
 176
 177                         if (ButtonState != ButtonState.Normal && Application.RenderWithVisualStyles && DataGridView.EnableHeadersVisualStyles)
 178                                 return true;
 179
 180                         return false;
 181                 }
 182
 183                 protected override bool MouseUpUnsharesRow (DataGridViewCellMouseEventArgs e)
 184                 {
 185                         if (DataGridView == null)
 186                                 return false;
 187
 188                         if (e.Button == MouseButtons.Left && Application.RenderWithVisualStyles && DataGridView.EnableHeadersVisualStyles)
 189                                 return true;
 190
 191                         return false;
 192                 }
 193
 194                 protected override void OnMouseDown (DataGridViewCellMouseEventArgs e)
 195                 {
 196                         base.OnMouseDown (e);
 197                 }
 198
 199                 protected override void OnMouseEnter (int rowIndex)
 200                 {
 201                         base.OnMouseEnter (rowIndex);
 202                 }
 203
 204                 protected override void OnMouseLeave (int rowIndex)
 205                 {
 206                         base.OnMouseLeave (rowIndex);
 207                 }
 208
 209                 protected override void OnMouseUp (DataGridViewCellMouseEventArgs e)
 210                 {
 211                         base.OnMouseUp (e);
 212                 }
 213
 214                 protected override void Paint (Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates dataGridViewElementState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
 215                 {
 216                         base.Paint (graphics, clipBounds, cellBounds, rowIndex, dataGridViewElementState, value, formattedValue, errorText, cellStyle, advancedBorderStyle, paintParts);
 217                 }
 218
 219                 protected ButtonState ButtonState {
 220                         get { return buttonState; }
 221                 }
 222
 223         }
 224
 225 }
 226