ActiveHelpOpenDialogAction


1   /*******************************************************************************
2    * Copyright (c) 2002, 2005 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.platform.doc.isv.activeHelp;
12  
13  import org.eclipse.help.ILiveHelpAction;
14  import org.eclipse.jface.dialogs.MessageDialog;
15  import org.eclipse.swt.widgets.Display;
16  import org.eclipse.swt.widgets.Shell;
17  import org.eclipse.ui.IWorkbenchWindow;
18  import org.eclipse.ui.PlatformUI;
19  
20  /**
21   * Sample Active Help action.  This is the source code for the sample
22   * active help action that is shown in the Platform Plug-in Developer Guide
23   * in the Programmer's Guide.  This class is marked public because
24   * it must be called from the active help servlet.  However, this class
25   * is not intended to be used as API and should not be called by clients.
26   */
27  public class ActiveHelpOpenDialogAction implements ILiveHelpAction {
28  
29       public void setInitializationString(String   data) {
30            // ignore the data.  We do not use any javascript parameters.
31       }
32  
33       public void run() {
34            // Active help does not run on the UI thread, so we must use syncExec
35            Display.getDefault().syncExec(new Runnable  () {
36                 public void run() {
37                      IWorkbenchWindow window =
38                           PlatformUI.getWorkbench().getActiveWorkbenchWindow();
39                      if (window != null) {
40                           // Bring the Workbench window to the top of other windows;
41                           // On some Windows systems, it will only flash the Workbench
42                           // icon on the task bar
43                           Shell shell = window.getShell();
44                           shell.setMinimized(false);
45                           shell.forceActive();
46                           // Open a message dialog
47                           MessageDialog.openInformation(
48                                window.getShell(),
49                                "Hello World.", //$NON-NLS-1$
50                                "Hello World."); //$NON-NLS-1$
51                      }
52                 }
53            });
54       }
55  }
56
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags