Examples of org.eclipse.jface.dialogs.TrayDialog

org.eclipse.jface.dialogs.TrayDialog
A TrayDialog is a specialized Dialog that can contain a tray on its side. The tray's content is provided as a DialogTray.
It is recommended to subclass this class instead of Dialog in all cases except where the dialog should never show a tray. For example, dialogs which are very short, simple, and quick to dismiss (e.g. a message dialog with an OK button) should subclass Dialog.

Note: Trays are not supported on dialogs that use a custom layout on the Shell by overriding Window#getLayout().
@see org.eclipse.jface.dialogs.DialogTray @see org.eclipse.jface.window.Window#getLayout() @since 3.2

  public void run() {
    Shell shell = Display.getDefault().getActiveShell();
    Object data = shell.getData();
    // are we in a dialog that can show a cheat sheet?
    if (!shell.isFocusControl() && data instanceof TrayDialog) {
      TrayDialog dialog = (TrayDialog)data;
      HelpTray tray = (HelpTray)dialog.getTray();
      if (tray == null) {
        tray = new HelpTray();
        dialog.openTray(tray);
      }
      ReusableHelpPart helpPart = tray.getHelpPart();
      IHelpPartPage page = helpPart.createPage(CheatSheetHelpPart.ID, null, null);
      page.setVerticalSpacing(0);
      page.setHorizontalMargin(0);

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