org.eclipse.swt.widgets.MenuItem#setAccelerator ( )源码实例Demo

/**
 * @return
 */
protected Menu createMenuBar() {
    Menu bar = new Menu(shell, SWT.BAR);
    // file
    MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
    fileItem.setText("&File");
    Menu submenu = new Menu(shell, SWT.DROP_DOWN);
    fileItem.setMenu(submenu);
    MenuItem item = new MenuItem(submenu, SWT.PUSH);
    item.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {

        }
    });
    item.setText("Select &All\tCtrl+A");
    item.setAccelerator(SWT.MOD1 + 'A');
    // edit
    MenuItem editItem = new MenuItem(bar, SWT.CASCADE);
    editItem.setText("&Edit");
    // search
    MenuItem searchItem = new MenuItem(bar, SWT.CASCADE);
    searchItem.setText("&Search");
    return bar;
}
 

private void setMenuItemKeyboardShortcut( MenuItem menuItem, GuiMenuItem guiMenuItem ) {
  // See if there's a shortcut worth mentioning...
  //
  KeyboardShortcut shortcut = GuiRegistry.getInstance().findKeyboardShortcut(
    guiMenuItem.getListenerClassName(),
    guiMenuItem.getListenerMethod(),
    Const.isOSX()
  );
  if ( shortcut != null ) {
    appendShortCut( menuItem, shortcut );
    menuItem.setAccelerator( getAccelerator( shortcut ) );
    shortcutMap.put( guiMenuItem.getId(), shortcut );
  }
}
 

public void createMenu(Shell shell) {
	Menu bar = new Menu(shell, SWT.BAR);
	shell.setMenuBar(bar);
	MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
	fileItem.setText("&File");
	Menu submenu = new Menu(shell, SWT.DROP_DOWN);
	fileItem.setMenu(submenu);
	MenuItem item = new MenuItem(submenu, SWT.PUSH);
	item.addListener(SWT.Selection, e -> Runtime.getRuntime().halt(0));
	item.setText("E&xit\tCtrl+W");
	item.setAccelerator(SWT.MOD1 + 'W');
}
 

private MenuItem addMenuItem(Menu menu, String text, int accelerator,
		Object data, SelectionListener listener) {
	MenuItem item = new MenuItem(menu, SWT.NONE);
	item.setText(text);
	item.addSelectionListener(listener);
	if (accelerator != SWT.NONE)
		item.setAccelerator(accelerator);
	item.setData(data);
	return item;
}
 

private MenuItem addMenuItem(Menu menu, String text, int accelerator,
		SelectionListener listener) {
	MenuItem item = addMenuItem(menu, text, listener);
	if (accelerator != SWT.NONE)
		item.setAccelerator(accelerator);
	return item;
}
 

private void updateAccelerator(MenuItem item, String itemText,
		char newAccelerator) {
	itemText += " \t Ctrl+"
			+ (newAccelerator == ' ' ? "[space]" : newAccelerator);
	int acc = SWT.MOD1
			+ (newAccelerator == ' ' ? SWT.SPACE : newAccelerator);
	item.setText(itemText);
	item.setAccelerator(acc);
}
 

/**
 * Helper method to set a keyboard accelerator for a MenuItem. If kbInfo is SWT.NONE, no accelerator will be set.
 * @param menu SWT MenuItem
 * @param kbInfo KeyBindingInfo object, which contains the SWT accelerator value and its display name
 */
private static void setAccelerator(final MenuItem menu, final KeyBindingInfo kbInfo)
{
	if ( menu.isDisposed()){
		return;
	}
    if(kbInfo.accelerator != SWT.NONE)
    {
        menu.setAccelerator(kbInfo.accelerator);

        // SWT on OS X now uses native drawing
        if(!Constants.isOSX && !menu.getText().endsWith(kbInfo.name))
            menu.setText(menu.getText() + kbInfo.name);
    }
}
 

/**
 * メニューバーにメニューを追加する
 */
private void setMenuBar() {
    // メニューバーに追加する
    // フィルターメニュー
    final MenuItem filter = new MenuItem(this.opemenu, SWT.PUSH);
    filter.setText("フィルター(&F)\tCtrl+F");
    filter.setAccelerator(SWT.CTRL + 'F');
    filter.addSelectionListener((SelectedListener) (e) -> {
        int index = ShipTable.this.tabFolder.getSelectionIndex();
        new ShipFilterDialog(this.shell, this.updateFilter(index), this.getFilter(index)).open();
    });
}
 

/**
 * Create contents of the dialog.
 */
private void createContents() {
    // シェルを作成
    this.shell = new Shell(this.getParent(), this.getStyle());
    this.shell.setSize(this.getSize());
    // ウインドウ位置を復元
    LayoutLogic.applyWindowLocation(this.getClass(), this.shell);
    // 閉じた時にウインドウ位置を保存
    this.shell.addShellListener(new SaveWindowLocationAdapter(this.getClass()));

    this.shell.setText(this.getTitle());
    this.shell.setLayout(new FillLayout(SWT.HORIZONTAL));
    // メニューバー
    this.menubar = new Menu(this.shell, SWT.BAR);
    this.shell.setMenuBar(this.menubar);
    // ツリーテーブル
    this.tree = new Tree(this.shell, SWT.BORDER | SWT.FULL_SELECTION | SWT.VIRTUAL | SWT.MULTI);
    this.tree.addKeyListener(new TreeKeyShortcutAdapter(this.header, this.tree));
    this.tree.setLinesVisible(true);
    this.tree.setHeaderVisible(true);
    // メニューバーのメニュー
    MenuItem operoot = new MenuItem(this.menubar, SWT.CASCADE);
    operoot.setText("操作");
    this.opemenu = new Menu(operoot);
    operoot.setMenu(this.opemenu);
    MenuItem reload = new MenuItem(this.opemenu, SWT.NONE);
    reload.setText("再読み込み(&R)\tF5");
    reload.setAccelerator(SWT.F5);
    reload.addSelectionListener((SelectedListener) e -> this.reloadTable());
    // テーブル右クリックメニュー
    this.tablemenu = new Menu(this.tree);
    this.tree.setMenu(this.tablemenu);
    MenuItem sendclipbord = new MenuItem(this.tablemenu, SWT.NONE);
    sendclipbord.addSelectionListener(new TreeToClipboardAdapter(this.header, this.tree));
    sendclipbord.setText("クリップボードにコピー(&C)");
    MenuItem reloadtable = new MenuItem(this.tablemenu, SWT.NONE);
    reloadtable.setText("再読み込み(&R)");
    reloadtable.addSelectionListener((SelectedListener) e -> this.reloadTable());

    this.setTableHeader();
    this.reloadTable();
}
 

/**
 * Open the dialog.
 */
public void open() {
    // シェルを作成
    this.shell = new Shell(this.getParent(), this.getStyle());
    this.shell.setSize(this.getSize());
    // ウインドウ位置を復元
    LayoutLogic.applyWindowLocation(this.getClass(), this.shell);
    // 閉じた時にウインドウ位置を保存
    this.shell.addShellListener(new SaveWindowLocationAdapter(this.getClass()));

    this.shell.setText(this.getTitle());
    this.shell.setLayout(new FillLayout());
    // メニューバー
    this.menubar = new Menu(this.shell, SWT.BAR);
    this.shell.setMenuBar(this.menubar);
    // メニューバーのメニュー
    MenuItem fileroot = new MenuItem(this.menubar, SWT.CASCADE);
    fileroot.setText("ファイル");
    this.filemenu = new Menu(fileroot);
    fileroot.setMenu(this.filemenu);

    MenuItem savecsv = new MenuItem(this.filemenu, SWT.NONE);
    savecsv.setText("CSVファイルに保存(&S)\tCtrl+S");
    savecsv.setAccelerator(SWT.CTRL + 'S');
    savecsv.addSelectionListener(new TableToCsvSaveAdapter(this.shell, this.getTitle(),
            () -> this.getSelectionTable().getTable()));

    MenuItem operoot = new MenuItem(this.menubar, SWT.CASCADE);
    operoot.setText("操作");
    this.opemenu = new Menu(operoot);
    operoot.setMenu(this.opemenu);

    MenuItem reload = new MenuItem(this.opemenu, SWT.NONE);
    reload.setText("再読み込み(&R)\tF5");
    reload.setAccelerator(SWT.F5);
    reload.addSelectionListener(new TableReloadAdapter());

    Boolean isCyclicReload = AppConfig.get().getCyclicReloadMap().get(this.getClass().getName());
    MenuItem cyclicReload = new MenuItem(this.opemenu, SWT.CHECK);
    cyclicReload.setText("定期的に再読み込み(&A)\tCtrl+F5");
    cyclicReload.setAccelerator(SWT.CTRL + SWT.F5);
    if ((isCyclicReload != null) && isCyclicReload.booleanValue()) {
        cyclicReload.setSelection(true);
    }
    CyclicReloadAdapter adapter = new CyclicReloadAdapter(cyclicReload);
    cyclicReload.addSelectionListener(adapter);
    adapter.setCyclicReload(cyclicReload);

    MenuItem selectVisible = new MenuItem(this.opemenu, SWT.NONE);
    selectVisible.setText("列の表示・非表示(&V)");
    selectVisible.addSelectionListener(new SelectVisibleColumnAdapter());

    new MenuItem(this.opemenu, SWT.SEPARATOR);

    // 閉じた時に設定を保存
    this.shell.addShellListener(new ShellAdapter() {
        @Override
        public void shellClosed(ShellEvent e) {
            AppConfig.get().getCyclicReloadMap()
                    .put(AbstractTableDialogEx.this.getClass().getName(), cyclicReload.getSelection());
        }
    });

    this.createContents();
    this.shell.open();
    this.shell.layout();
    Display display = this.getParent().getDisplay();
    while (!this.shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    // タスクがある場合キャンセル
    if (this.future != null) {
        this.future.cancel(false);
    }
}