mcs/class/Managed.Windows.Forms/System.Windows.Forms/ToolStripComboBox.cs

   1 //
   2 // ToolStripComboBox.cs
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining
   5 // a copy of this software and associated documentation files (the
   6 // "Software"), to deal in the Software without restriction, including
   7 // without limitation the rights to use, copy, modify, merge, publish,
   8 // distribute, sublicense, and/or sell copies of the Software, and to
   9 // permit persons to whom the Software is furnished to do so, subject to
  10 // the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be
  13 // included in all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22 //
  23 // Copyright (c) 2006 Jonathan Pobst
  24 //
  25 // Authors:
  26 //      Jonathan Pobst (monkey@jpobst.com)
  27 //
  28 #if NET_2_0
  29 using System.Drawing;
  30 using System.ComponentModel;
  31
  32 namespace System.Windows.Forms
  33 {
  34         [DefaultProperty ("Items")]
  35         public class ToolStripComboBox : ToolStripControlHost
  36         {
  37                 #region Public Constructors
  38                 public ToolStripComboBox () : base (new ToolStripComboBoxControl ())
  39                 {
  40                 }
  41
  42                 public ToolStripComboBox (Control c) : base (c)
  43                 {
  44                         throw new NotSupportedException ();
  45                 }
  46
  47                 public ToolStripComboBox (string name) : this ()
  48                 {
  49                         base.Control.Name = name;
  50                 }
  51                 #endregion
  52
  53                 #region Public Properties
  54                 [Browsable (false)]
  55                 public ComboBox ComboBox {
  56                         get { return (ComboBox)base.Control; }
  57                 }
  58
  59                 [MonoTODO ("Stub, will not actually affect anything.")]
  60                 public int DropDownHeight {
  61                         get { return 50; }
  62                         set { }
  63                 }
  64
  65                 [DefaultValue (ComboBoxStyle.DropDown)]
  66                 public ComboBoxStyle DropDownStyle {
  67                         get { return this.ComboBox.DropDownStyle; }
  68                         set { this.ComboBox.DropDownStyle = value; }
  69                 }
  70
  71                 public int DropDownWidth {
  72                         get { return this.ComboBox.DropDownWidth; }
  73                         set { this.ComboBox.DropDownWidth = value; }
  74                 }
  75
  76                 [Browsable (false)]
  77                 public bool DroppedDown {
  78                         get { return this.ComboBox.DroppedDown; }
  79                         set { this.ComboBox.DroppedDown = value; }
  80                 }
  81
  82                 [Localizable (true)]
  83                 [DefaultValue (true)]
  84                 public bool IntegralHeight {
  85                         get { return this.ComboBox.IntegralHeight; }
  86                         set { this.ComboBox.IntegralHeight = value; }
  87                 }
  88
  89                 [Localizable (true)]
  90                 public ComboBox.ObjectCollection Items {
  91                         get { return this.ComboBox.Items; }
  92                 }
  93
  94                 [Localizable (true)]
  95                 [DefaultValue (8)]
  96                 public int MaxDropDownItems {
  97                         get { return this.ComboBox.MaxDropDownItems; }
  98                         set { this.ComboBox.MaxDropDownItems = value; }
  99                 }
 100
 101                 [Localizable (true)]
 102                 [DefaultValue (0)]
 103                 public int MaxLength {
 104                         get { return this.ComboBox.MaxLength; }
 105                         set { this.ComboBox.MaxLength = value; }
 106                 }
 107
 108                 [Browsable (false)]
 109                 public int SelectedIndex {
 110                         get { return this.ComboBox.SelectedIndex; }
 111                         set {
 112                                 this.ComboBox.SelectedIndex = value;
 113                                 Text = Items [value].ToString ();
 114                         }
 115                 }
 116
 117                 [Bindable (true)]
 118                 [Browsable (false)]
 119                 public Object SelectedItem {
 120                         get { return this.ComboBox.SelectedItem; }
 121                         set { this.ComboBox.SelectedItem = value; }
 122                 }
 123
 124                 [Browsable (false)]
 125                 public string SelectedText {
 126                         get { return this.ComboBox.SelectedText; }
 127                         set { this.ComboBox.SelectedText = value; }
 128                 }
 129
 130                 [Browsable (false)]
 131                 public int SelectionLength {
 132                         get { return this.ComboBox.SelectionLength; }
 133                         set { this.ComboBox.SelectionLength = value; }
 134                 }
 135
 136                 [Browsable (false)]
 137                 public int SelectionStart {
 138                         get { return this.ComboBox.SelectionStart; }
 139                         set { this.ComboBox.SelectionStart = value; }
 140                 }
 141
 142                 [DefaultValue (false)]
 143                 public bool Sorted {
 144                         get { return this.ComboBox.Sorted; }
 145                         set { this.ComboBox.Sorted = value; }
 146                 }
 147                 #endregion
 148
 149                 #region Protected Properties
 150                 protected internal override Padding DefaultMargin { get { return new Padding (2); } }
 151                 protected override Size DefaultSize { get { return new Size (100, 22); } }
 152                 #endregion
 153
 154                 #region Public Methods
 155                 public void BeginUpdate ()
 156                 {
 157                         this.ComboBox.BeginUpdate ();
 158                 }
 159
 160                 public void EndUpdate ()
 161                 {
 162                         this.ComboBox.EndUpdate ();
 163                 }
 164
 165                 public int FindString (string s)
 166                 {
 167                         return this.ComboBox.FindString (s);
 168                 }
 169
 170                 public int FindString (string s, int startIndex)
 171                 {
 172                         return this.ComboBox.FindString (s, startIndex);
 173                 }
 174
 175                 public int FindStringExact (string s)
 176                 {
 177                         return this.ComboBox.FindStringExact (s);
 178                 }
 179
 180                 public int FindStringExact (string s, int startIndex)
 181                 {
 182                         return this.ComboBox.FindStringExact (s, startIndex);
 183                 }
 184
 185                 public int GetItemHeight (int index)
 186                 {
 187                         return this.ComboBox.GetItemHeight (index);
 188                 }
 189
 190                 public override Size GetPreferredSize (Size constrainingSize)
 191                 {
 192                         return base.GetPreferredSize (constrainingSize);
 193                 }
 194
 195                 public void Select (int start, int length)
 196                 {
 197                         this.ComboBox.Select (start, length);
 198                 }
 199
 200                 public void SelectAll ()
 201                 {
 202                         this.ComboBox.SelectAll ();
 203                 }
 204
 205                 public override string ToString ()
 206                 {
 207                         return this.ComboBox.ToString ();
 208                 }
 209                 #endregion
 210
 211                 #region Protected Methods
 212                 protected virtual void OnDropDown (EventArgs e)
 213                 {
 214                         EventHandler eh = (EventHandler)(Events [DropDownEvent]);
 215                         if (eh != null)
 216                                 eh (this, e);
 217                 }
 218
 219                 protected virtual void OnDropDownClosed (EventArgs e)
 220                 {
 221                         EventHandler eh = (EventHandler)(Events [DropDownClosedEvent]);
 222                         if (eh != null)
 223                                 eh (this, e);
 224                 }
 225
 226                 protected virtual void OnDropDownStyleChanged (EventArgs e)
 227                 {
 228                         EventHandler eh = (EventHandler)(Events [DropDownStyleChangedEvent]);
 229                         if (eh != null)
 230                                 eh (this, e);
 231                 }
 232
 233                 protected virtual void OnSelectedIndexChanged (EventArgs e)
 234                 {
 235                         EventHandler eh = (EventHandler)(Events [SelectedIndexChangedEvent]);
 236                         if (eh != null)
 237                                 eh (this, e);
 238                 }
 239
 240                 protected virtual void OnSelectionChangeCommitted (EventArgs e)
 241                 {
 242                 }
 243
 244                 [MonoTODO ("Needs to hook into DropDownClosed and TextUpdate when ComboBox 2.0 has them.")]
 245                 protected override void OnSubscribeControlEvents (Control control)
 246                 {
 247                         base.OnSubscribeControlEvents (control);
 248
 249                         this.ComboBox.DropDown += new EventHandler (HandleDropDown);
 250                         this.ComboBox.DropDownStyleChanged += new EventHandler (HandleDropDownStyleChanged);
 251                         this.ComboBox.SelectedIndexChanged += new EventHandler (HandleSelectedIndexChanged);
 252                 }
 253
 254                 protected virtual void OnTextUpdate (EventArgs e)
 255                 {
 256                         EventHandler eh = (EventHandler)(Events [TextUpdateEvent]);
 257                         if (eh != null)
 258                                 eh (this, e);
 259                 }
 260
 261                 protected override void OnUnsubscribeControlEvents (Control control)
 262                 {
 263                         base.OnUnsubscribeControlEvents (control);
 264                 }
 265                 #endregion
 266
 267                 #region Public Events
 268                 static object DropDownEvent = new object ();
 269                 static object DropDownClosedEvent = new object ();
 270                 static object DropDownStyleChangedEvent = new object ();
 271                 static object SelectedIndexChangedEvent = new object ();
 272                 static object TextUpdateEvent = new object ();
 273
 274                 [Browsable (false)]
 275                 [EditorBrowsable (EditorBrowsableState.Never)]
 276                 public new event EventHandler DoubleClick {
 277                         add { base.DoubleClick += value; }
 278                         remove { base.DoubleClick -= value; }
 279                 }
 280
 281                 public event EventHandler DropDown {
 282                         add { Events.AddHandler (DropDownEvent, value); }
 283                         remove { Events.RemoveHandler (DropDownEvent, value); }
 284                 }
 285
 286                 public event EventHandler DropDownClosed {
 287                         add { Events.AddHandler (DropDownClosedEvent, value); }
 288                         remove { Events.RemoveHandler (DropDownClosedEvent, value); }
 289                 }
 290
 291                 public event EventHandler DropDownStyleChanged {
 292                         add { Events.AddHandler (DropDownStyleChangedEvent, value); }
 293                         remove { Events.RemoveHandler (DropDownStyleChangedEvent, value); }
 294                 }
 295
 296                 public event EventHandler SelectedIndexChanged {
 297                         add { Events.AddHandler (SelectedIndexChangedEvent, value); }
 298                         remove { Events.RemoveHandler (SelectedIndexChangedEvent, value); }
 299                 }
 300
 301                 public event EventHandler TextUpdate {
 302                         add { Events.AddHandler (TextUpdateEvent, value); }
 303                         remove { Events.RemoveHandler (TextUpdateEvent, value); }
 304                 }
 305                 #endregion
 306
 307                 #region Private Methods
 308                 private void HandleDropDown (object sender, EventArgs e)
 309                 {
 310                         OnDropDown (e);
 311                 }
 312
 313                 private void HandleDropDownStyleChanged (object sender, EventArgs e)
 314                 {
 315                         OnDisplayStyleChanged (e);
 316                 }
 317
 318                 private void HandleSelectedIndexChanged (object sender, EventArgs e)
 319                 {
 320                         OnSelectedIndexChanged (e);
 321                 }
 322                 #endregion
 323
 324                 private class ToolStripComboBoxControl : ComboBox
 325                 {
 326                         public ToolStripComboBoxControl () : base ()
 327                         {
 328                                 this.border_style = BorderStyle.None;
 329                         }
 330                 }
 331         }
 332 }
 333 #endif