How to use

CommentsTabPage$OrController

in

org.eclipse.jdt.internal.ui.preferences.formatter

  @Override
  protected boolean areSlavesEnabled() {
    for (final Iterator<CheckboxPreference> iter= getMasters().iterator(); iter.hasNext();) {
      if (iter.next().getChecked())
        return true;
    }
    return false;
  }
}

javaDocSlaves.add(blankLinesJavadoc);
new OrController(javaDocMaster, javaDocSlaves);
blockSlaves.add(blankLinesBlock);
new OrController(blockMasters, blockSlaves);
lineWidthSlaves.add(lineWidth);
new OrController(lineWidthMasters, lineWidthSlaves);

javaDocSlaves.add(blankLinesJavadoc);
new OrController(javaDocMaster, javaDocSlaves);
blockSlaves.add(blankLinesBlock);
new OrController(blockMasters, blockSlaves);
lineWidthSlaves.add(lineWidth);
new OrController(lineWidthMasters, lineWidthSlaves);

public OrController(Collection<CheckboxPreference> masters, Collection<Object> slaves) {
  super(masters, slaves);
  update(null, null);
}

public OrController(Collection masters, Collection slaves) {
  super(masters, slaves);
  update(null, null);
}

  /**
   * {@inheritDoc}
   */
  protected boolean areSlavesEnabled() {
    for (final Iterator iter= getMasters().iterator(); iter.hasNext();) {
      if (((CheckboxPreference)iter.next()).getChecked())
        return true;
    }
    return false;
  }
}