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

   1 // Permission is hereby granted, free of charge, to any person obtaining
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   3 // "Software"), to deal in the Software without restriction, including
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   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) 2004-2005 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Jonathan Chambers (jonathan.chambers@ansys.com)
  24 //
  25
  26 // COMPLETE
  27
  28 using System;
  29 using System.Drawing;
  30
  31 namespace System.Windows.Forms.PropertyGridInternal {
  32         internal class PropertyGridTextBox : System.Windows.Forms.UserControl {
  33                 #region Private Members
  34
  35                 private TextBox textbox;
  36                 private Button dialog_button;
  37                 private Button dropdown_button;
  38
  39                 #endregion Private Members
  40
  41                 #region Contructors
  42                 public PropertyGridTextBox() {
  43                         dialog_button = new Button();
  44                         dropdown_button = new Button();
  45                         textbox = new TextBox();
  46
  47                         SuspendLayout();
  48
  49                         dialog_button.Dock = DockStyle.Right;
  50                         dialog_button.Size = new Size(16, 16);
  51                         dialog_button.TabIndex = 1;
  52                         dialog_button.Visible = false;
  53                         dialog_button.Click += new System.EventHandler(dialog_button_Click);
  54
  55                         dropdown_button.Dock = DockStyle.Right;
  56                         dropdown_button.Size = new Size(16, 16);
  57                         dropdown_button.TabIndex = 2;
  58                         dropdown_button.Visible = false;
  59                         dropdown_button.Click += new System.EventHandler(dropdown_button_Click);
  60
  61                         textbox.AutoSize = false;
  62                         // this is to explicitly set bgcolor to avoid
  63                         // default ReadOnly color (which makes grid item
  64                         // bgcolor inconsistent).
  65                         textbox.BackColor = textbox.BackColor;
  66                         textbox.BorderStyle = BorderStyle.None;
  67                         textbox.Dock = DockStyle.Fill;
  68                         textbox.TabIndex = 3;
  69
  70                         Controls.Add(textbox);
  71                         Controls.Add(dropdown_button);
  72                         Controls.Add(dialog_button);
  73
  74                         ResumeLayout(false);
  75
  76                         dropdown_button.Paint+=new PaintEventHandler(dropdown_button_Paint);
  77                         dialog_button.Paint+=new PaintEventHandler(dialog_button_Paint);
  78                         textbox.DoubleClick+=new EventHandler(textbox_DoubleClick);
  79                 }
  80
  81
  82                 #endregion Contructors
  83
  84                 #region Public Instance Properties
  85
  86                 public bool DialogButtonVisible {
  87                         get{
  88                                 return dialog_button.Visible;
  89                         }
  90                         set {
  91                                 dialog_button.Visible = value;
  92                         }
  93                 }
  94                 public bool DropDownButtonVisible {
  95                         get{
  96                                 return dropdown_button.Visible;
  97                         }
  98                         set {
  99                                 dropdown_button.Visible = value;
 100                         }
 101                 }
 102
 103                 public bool ReadOnly {
 104                         get {
 105                                 return textbox.ReadOnly;
 106                         }
 107                         set {
 108                                 textbox.ReadOnly = value;
 109                         }
 110                 }
 111
 112                 public new string Text {
 113                         get {
 114                                 return textbox.Text;
 115                         }
 116                         set {
 117                                 textbox.Text = value;
 118                         }
 119                 }
 120
 121                 #endregion Public Instance Properties
 122
 123                 #region Events
 124                 static object DropDownButtonClickedEvent = new object ();
 125                 static object DialogButtonClickedEvent = new object ();
 126                 static object ToggleValueEvent = new object ();
 127
 128                 public event EventHandler DropDownButtonClicked {
 129                         add { Events.AddHandler (DropDownButtonClickedEvent, value); }
 130                         remove { Events.RemoveHandler (DropDownButtonClickedEvent, value); }
 131                 }
 132
 133                 public event EventHandler DialogButtonClicked {
 134                         add { Events.AddHandler (DialogButtonClickedEvent, value); }
 135                         remove { Events.RemoveHandler (DialogButtonClickedEvent, value); }
 136                 }
 137
 138                 public event EventHandler ToggleValue {
 139                         add { Events.AddHandler (ToggleValueEvent, value); }
 140                         remove { Events.RemoveHandler (ToggleValueEvent, value); }
 141                 }
 142
 143                 #endregion Events
 144
 145                 #region Private Helper Methods
 146
 147                 private void dropdown_button_Paint(object sender, PaintEventArgs e)
 148                 {
 149                         ThemeEngine.Current.CPDrawComboButton(e.Graphics, dropdown_button.ClientRectangle, dropdown_button.ButtonState);
 150                 }
 151
 152                 private void dialog_button_Paint(object sender, PaintEventArgs e) {
 153                         // best way to draw the ellipse?
 154                         e.Graphics.DrawString("...", new Font(Font,FontStyle.Bold), Brushes.Black, 0,0);
 155                 }
 156
 157                 private void dropdown_button_Click(object sender, EventArgs e) {
 158                         EventHandler eh = (EventHandler)(Events [DropDownButtonClickedEvent]);
 159                         if (eh != null)
 160                                 eh (this, e);
 161                 }
 162
 163                 private void dialog_button_Click(object sender, EventArgs e) {
 164                         EventHandler eh = (EventHandler)(Events [DialogButtonClickedEvent]);
 165                         if (eh != null)
 166                                 eh (this, e);
 167                 }
 168
 169                 #endregion Private Helper Methods
 170
 171                 private void textbox_DoubleClick(object sender, EventArgs e) {
 172                         EventHandler eh = (EventHandler)(Events [ToggleValueEvent]);
 173                         if (eh != null)
 174                                 eh (this, e);
 175                 }
 176         }
 177 }