developer/VSSDK/Samples/Source_Code_Control_Provider/C#/SccProviderToolWindow.cs

   1 /***************************************************************************
   2
   3 Copyright (c) Microsoft Corporation. All rights reserved.
   4 THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
   5 ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
   6 IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
   7 PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
   8
   9 ***************************************************************************/
  10
  11 using System;
  12 using System.Collections;
  13 using System.ComponentModel;
  14 using System.ComponentModel.Design;
  15 using System.Drawing;
  16 using Microsoft.Win32;
  17 using System.Runtime.InteropServices;
  18 using System.Windows.Forms;
  19 using Microsoft.VisualStudio.Shell;
  20 using Microsoft.VisualStudio.Shell.Interop;
  21 using Microsoft.VisualStudio.PlatformUI;
  22
  23 using IServiceProvider = System.IServiceProvider;
  24 using IOleServiceProvider = Microsoft.VisualStudio.OLE.Interop.IServiceProvider;
  25
  26 namespace Microsoft.Samples.VisualStudio.SourceControlIntegration.SccProvider
  27 {
  28     /// <summary>
  29     /// Summary description for SccProviderToolWindow.
  30     /// </summary>
  31     [Guid("B0BAC05D-bbbb-42f2-8085-723ca3712763")]
  32     public class SccProviderToolWindow : ToolWindowPane
  33     {
  34         private SccProviderToolWindowControl control;
  35
  36         public SccProviderToolWindow() :base(null)
  37         {
  38             // set the window title
  39             Caption = Resources.ResourceManager.GetString("ToolWindowCaption");
  40
  41             // set the CommandID for the window ToolBar
  42             ToolBar = new CommandID(GuidList.guidSccProviderCmdSet, CommandId.imnuToolWindowToolbarMenu);
  43
  44             // set the icon for the frame
  45             BitmapResourceID = CommandId.ibmpToolWindowsImages;  // bitmap strip resource ID
  46             BitmapIndex = CommandId.iconSccProviderToolWindow;   // index in the bitmap strip
  47
  48             control = new SccProviderToolWindowControl();
  49             // Initialize the toolwindow colors to respect the current theme
  50             SetDefaultColors();
  51
  52             // Sign up to theme changes to keep the colors up to date
  53             VSColorTheme.ThemeChanged += VSColorTheme_ThemeChanged;
  54         }
  55
  56         void SetDefaultColors()
  57         {
  58             Color defaultBackground = VSColorTheme.GetThemedColor(EnvironmentColors.ToolWindowBackgroundColorKey);
  59             Color defaultForeground = VSColorTheme.GetThemedColor(EnvironmentColors.ToolWindowTextColorKey);
  60
  61             UpdateWindowColors(defaultBackground, defaultForeground);
  62         }
  63
  64         void VSColorTheme_ThemeChanged(ThemeChangedEventArgs e)
  65         {
  66             SetDefaultColors();
  67         }
  68
  69         override public IWin32Window Window
  70         {
  71             get
  72             {
  73                 return control;
  74             }
  75         }
  76
  77         /// <include file='doc\WindowPane.uex' path='docs/doc[@for="WindowPane.Dispose1"]' />
  78         /// <devdoc>
  79         ///     Called when this tool window pane is being disposed.
  80         /// </devdoc>
  81         override protected void Dispose(bool disposing)
  82         {
  83             if (disposing)
  84             {
  85                 // Unsubscribe from theme changed events
  86                 VSColorTheme.ThemeChanged -= VSColorTheme_ThemeChanged;
  87
  88                 if (control != null)
  89                 {
  90                     try
  91                     {
  92                         if (control is IDisposable)
  93                             control.Dispose();
  94                     }
  95                     catch (Exception e)
  96                     {
  97                         System.Diagnostics.Debug.Fail(string.Format("Failed to dispose {0} controls.\n{1}", GetType().FullName, e.Message));
  98                     }
  99                     control = null;
 100                 }
 101
 102                 IVsWindowFrame windowFrame = (IVsWindowFrame)Frame;
 103                 if (windowFrame != null)
 104                 {
 105                     // Note: don't check for the return code here.
 106                     windowFrame.CloseFrame((uint)__FRAMECLOSE.FRAMECLOSE_SaveIfDirty);
 107                 }
 108             }
 109             base.Dispose(disposing);
 110         }
 111
 112         /// <summary>
 113         /// This function is only used to "do something noticeable" when the toolbar button is clicked.
 114         /// It is called from the package.
 115         /// A typical tool window may not need this function.
 116         ///
 117         /// The current behavior change the background color of the control and swaps with the text color
 118         /// </summary>
 119         public void ToolWindowToolbarCommand()
 120         {
 121             Color defaultBackground = VSColorTheme.GetThemedColor(EnvironmentColors.ToolWindowBackgroundColorKey);
 122             Color defaultForeground = VSColorTheme.GetThemedColor(EnvironmentColors.ToolWindowTextColorKey);
 123
 124             if (control.BackColor == defaultBackground)
 125             {
 126                 // Swap the colors
 127                 UpdateWindowColors(defaultForeground, defaultBackground);
 128             }
 129             else
 130             {
 131                 // Put back the default colors
 132                 UpdateWindowColors(defaultBackground, defaultForeground);
 133             }
 134         }
 135
 136         void UpdateWindowColors(Color clrBackground, Color clrForeground)
 137         {
 138             // Update the window background
 139             control.BackColor = clrBackground;
 140             control.ForeColor = clrForeground;
 141
 142             // Also update the label
 143             foreach (Control child in control.Controls)
 144             {
 145                 child.BackColor = control.BackColor;
 146                 child.ForeColor = control.ForeColor;
 147             }
 148         }
 149     }
 150 }