mcs/class/Managed.Windows.Forms/System.Windows.Forms/DataGridViewComboBoxColumn.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.Collections;
  27 using System.ComponentModel;
  28 using System.Drawing.Design;
  29 using System.Drawing;
  30
  31 namespace System.Windows.Forms {
  32
  33         [ToolboxBitmap ("")]
  34         [Designer ("System.Windows.Forms.Design.DataGridViewComboBoxColumnDesigner, " + Consts.AssemblySystem_Design,
  35                    "System.ComponentModel.Design.IDesigner")]
  36         public class DataGridViewComboBoxColumn : DataGridViewColumn
  37         {
  38                 private bool autoComplete;
  39                 private DataGridViewComboBoxDisplayStyle displayStyle;
  40                 private bool displayStyleForCurrentCellOnly;
  41                 private FlatStyle flatStyle;
  42
  43                 public DataGridViewComboBoxColumn ()
  44                 {
  45                         CellTemplate = new DataGridViewComboBoxCell();
  46                         ((DataGridViewComboBoxCell) CellTemplate).OwningColumnTemplate = this;
  47                         SortMode = DataGridViewColumnSortMode.NotSortable;
  48                         autoComplete = true;
  49                         displayStyle = DataGridViewComboBoxDisplayStyle.DropDownButton;
  50                         displayStyleForCurrentCellOnly = false;
  51                 }
  52
  53                 [Browsable (true)]
  54                 [DefaultValue (true)]
  55                 public bool AutoComplete {
  56                         get { return autoComplete; }
  57                         set { autoComplete = value; }
  58                 }
  59
  60                 [Browsable (false)]
  61                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  62                 public override DataGridViewCell CellTemplate {
  63                         get { return base.CellTemplate; }
  64                         set {
  65
  66                                 DataGridViewComboBoxCell cellTemplate = value as DataGridViewComboBoxCell;
  67                                 if (cellTemplate == null)
  68                                         throw new InvalidCastException ("Invalid cell tempalte type.");
  69
  70                                 cellTemplate.OwningColumnTemplate = this;
  71                                 base.CellTemplate = cellTemplate;
  72                         }
  73                 }
  74
  75                 [AttributeProvider (typeof (IListSource))]
  76                 [DefaultValue (null)]
  77                 [RefreshProperties (RefreshProperties.Repaint)]
  78                 public object DataSource {
  79                         get {
  80                                 if (base.CellTemplate == null) {
  81                                         throw new InvalidOperationException("CellTemplate is null.");
  82                                 }
  83                                 return (base.CellTemplate as DataGridViewComboBoxCell).DataSource; }
  84                         set {
  85                                 if (base.CellTemplate == null) {
  86                                         throw new InvalidOperationException("CellTemplate is null.");
  87                                 }
  88                                 (base.CellTemplate as DataGridViewComboBoxCell).DataSource = value;
  89                         }
  90                 }
  91
  92                 [Editor ("System.Windows.Forms.Design.DataMemberFieldEditor, " + Consts.AssemblySystem_Design,
  93                          "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
  94                 [DefaultValue ("")]
  95                 [TypeConverter ("System.Windows.Forms.Design.DataMemberFieldConverter, " + Consts.AssemblySystem_Design)]
  96                 public string DisplayMember {
  97                         get {
  98                                 if (base.CellTemplate == null) {
  99                                         throw new InvalidOperationException("CellTemplate is null.");
 100                                 }
 101                                 return (base.CellTemplate as DataGridViewComboBoxCell).DisplayMember;
 102                         }
 103                         set {
 104                                 if (base.CellTemplate == null) {
 105                                         throw new InvalidOperationException("CellTemplate is null.");
 106                                 }
 107                                 (base.CellTemplate as DataGridViewComboBoxCell).DisplayMember = value;
 108                         }
 109                 }
 110
 111                 [DefaultValue (DataGridViewComboBoxDisplayStyle.DropDownButton)]
 112                 public DataGridViewComboBoxDisplayStyle DisplayStyle {
 113                         get { return displayStyle; }
 114                         set { displayStyle = value; }
 115                 }
 116
 117                 [DefaultValue (false)]
 118                 public bool DisplayStyleForCurrentCellOnly {
 119                         get { return displayStyleForCurrentCellOnly; }
 120                         set { displayStyleForCurrentCellOnly = value; }
 121                 }
 122
 123                 [DefaultValue (1)]
 124                 public int DropDownWidth {
 125                         get {
 126                                 if (base.CellTemplate == null) {
 127                                         throw new InvalidOperationException("CellTemplate is null.");
 128                                 }
 129                                 return (base.CellTemplate as DataGridViewComboBoxCell).DropDownWidth;
 130                         }
 131                         set {
 132                                 if (value < 1) {
 133                                         throw new ArgumentException("Value is less than 1.");
 134                                 }
 135                                 if (base.CellTemplate == null) {
 136                                         throw new InvalidOperationException("CellTemplate is null.");
 137                                 }
 138                                 (base.CellTemplate as DataGridViewComboBoxCell).DropDownWidth = value;
 139                         }
 140                 }
 141
 142                 [DefaultValue (FlatStyle.Standard)]
 143                 public FlatStyle FlatStyle {
 144                         get { return flatStyle; }
 145                         set { flatStyle = value; }
 146                 }
 147
 148                 [Editor ("System.Windows.Forms.Design.StringCollectionEditor, " + Consts.AssemblySystem_Design,
 149                          "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 150                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 151                 public DataGridViewComboBoxCell.ObjectCollection Items {
 152                         get {
 153                                 if (base.CellTemplate == null) {
 154                                         throw new InvalidOperationException("CellTemplate is null.");
 155                                 }
 156                                 return (base.CellTemplate as DataGridViewComboBoxCell).Items;
 157                         }
 158                 }
 159
 160                 [DefaultValue (8)]
 161                 public int MaxDropDownItems {
 162                         get {
 163                                 if (base.CellTemplate == null) {
 164                                         throw new InvalidOperationException("CellTemplate is null.");
 165                                 }
 166                                 return (base.CellTemplate as DataGridViewComboBoxCell).MaxDropDownItems;
 167                         }
 168                         set {
 169                                 if (base.CellTemplate == null) {
 170                                         throw new InvalidOperationException("CellTemplate is null.");
 171                                 }
 172                                 (base.CellTemplate as DataGridViewComboBoxCell).MaxDropDownItems = value;
 173                         }
 174                 }
 175
 176                 [DefaultValue (false)]
 177                 public bool Sorted {
 178                         get {
 179                                 if (base.CellTemplate == null) {
 180                                         throw new InvalidOperationException("CellTemplate is null.");
 181                                 }
 182                                 return (base.CellTemplate as DataGridViewComboBoxCell).Sorted;
 183                         }
 184                         set {
 185                                 if (base.CellTemplate == null) {
 186                                         throw new InvalidOperationException("CellTemplate is null.");
 187                                 }
 188                                 (base.CellTemplate as DataGridViewComboBoxCell).Sorted = value;
 189                         }
 190                 }
 191
 192                 [DefaultValue ("")]
 193                 [Editor ("System.Windows.Forms.Design.DataMemberFieldEditor, " + Consts.AssemblySystem_Design,
 194                          "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 195                 [TypeConverter ("System.Windows.Forms.Design.DataMemberFieldConverter, " + Consts.AssemblySystem_Design)]
 196                 public string ValueMember {
 197                         get {
 198                                 if (base.CellTemplate == null) {
 199                                         throw new InvalidOperationException("CellTemplate is null.");
 200                                 }
 201                                 return (base.CellTemplate as DataGridViewComboBoxCell).ValueMember;
 202                         }
 203                         set {
 204                                 if (base.CellTemplate == null) {
 205                                         throw new InvalidOperationException("CellTemplate is null.");
 206                                 }
 207                                 (base.CellTemplate as DataGridViewComboBoxCell).ValueMember = value;
 208                         }
 209                 }
 210
 211                 internal void SyncItems (IList items)
 212                 {
 213                         if (DataSource != null || DataGridView == null)
 214                                 return;
 215
 216                         for (int i = 0; i < DataGridView.RowCount; i++) {
 217                                 DataGridViewComboBoxCell comboCell = DataGridView.Rows[i].Cells[base.Index] as DataGridViewComboBoxCell;
 218                                 if (comboCell != null) {
 219                                         comboCell.Items.ClearInternal ();
 220                                         comboCell.Items.AddRangeInternal (this.Items);
 221                                 }
 222                         }
 223                 }
 224
 225                 public override object Clone ()
 226                 {
 227                         DataGridViewComboBoxColumn col = (DataGridViewComboBoxColumn) base.Clone();
 228                         col.autoComplete = this.autoComplete;
 229                         col.displayStyle = this.displayStyle;
 230                         col.displayStyleForCurrentCellOnly = this.displayStyleForCurrentCellOnly;
 231                         col.flatStyle = this.flatStyle;
 232                         col.CellTemplate = (DataGridViewComboBoxCell) this.CellTemplate.Clone();
 233                         return col;
 234                 }
 235
 236                 public override string ToString ()
 237                 {
 238                         return GetType().Name;
 239                 }
 240
 241         }
 242
 243 }