How to use

toggleBookmark

method

in

org.fife.ui.rtextarea.Gutter

@Override
public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
  Gutter gutter = RSyntaxUtilities.getGutter(textArea);
  if (gutter!=null) {
    int line = textArea.getCaretLineNumber();
    try {
      gutter.toggleBookmark(line);
    } catch (BadLocationException ble) { // Never happens
      UIManager.getLookAndFeel().
            provideErrorFeedback(textArea);
      ble.printStackTrace();
    }
  }
}

@Test
public void testToggleBookmark() throws Exception {
  RTextArea textArea = new RTextArea(PLAIN_TEXT);
  Gutter gutter = new Gutter(textArea);
  gutter.setBookmarkingEnabled(true);
  gutter.setBookmarkIcon(new TestIcon());
  Assert.assertTrue(gutter.toggleBookmark(1));
  Assert.assertFalse(gutter.toggleBookmark(1));
  Assert.assertTrue(gutter.toggleBookmark(1));
}

@Test
public void getBookmarks_SomeBookmarks() throws Exception {
  RTextArea textArea = new RTextArea(PLAIN_TEXT);
  Gutter gutter = new Gutter(textArea);
  gutter.setBookmarkingEnabled(true);
  gutter.setBookmarkIcon(new TestIcon());
  Assert.assertTrue(gutter.toggleBookmark(1));
  Assert.assertTrue(gutter.toggleBookmark(2));
  Assert.assertEquals(2, gutter.getBookmarks().length); // Non-null
}

@Override
public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
  Gutter gutter = RSyntaxUtilities.getGutter(textArea);
  if (gutter!=null) {
    int line = textArea.getCaretLineNumber();
    try {
      gutter.toggleBookmark(line);
    } catch (BadLocationException ble) { // Never happens
      UIManager.getLookAndFeel().
            provideErrorFeedback(textArea);
      ble.printStackTrace();
    }
  }
}

public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
  Container parent = textArea.getParent();
  if (parent instanceof JViewport) {
    parent = parent.getParent();
    if (parent instanceof RTextScrollPane) {
      RTextScrollPane sp = (RTextScrollPane)parent;
      Gutter gutter = sp.getGutter();
      int line = textArea.getCaretLineNumber();
      try {
        gutter.toggleBookmark(line);
      } catch (BadLocationException ble) { // Never happens
        UIManager.getLookAndFeel().
              provideErrorFeedback(textArea);
        ble.printStackTrace();
      }
    }
  }
}

public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
  Container parent = textArea.getParent();
  if (parent instanceof JViewport) {
    parent = parent.getParent();
    if (parent instanceof RTextScrollPane) {
      RTextScrollPane sp = (RTextScrollPane)parent;
      Gutter gutter = sp.getGutter();
      int line = textArea.getCaretLineNumber();
      try {
        gutter.toggleBookmark(line);
      } catch (BadLocationException ble) { // Never happens
        UIManager.getLookAndFeel().
              provideErrorFeedback(textArea);
        ble.printStackTrace();
      }
    }
  }
}