protected function addToolBar()
{
JRequest::setVar('hidemainmenu', true);
$isNew = $this->item->id == 0;
JToolBarHelper::title($isNew ? 'Add new Language Pair' : 'Edit Language Pair', 'pairslanguages');
JToolBarHelper::save('pairslanguage.save');
JToolBarHelper::cancel('pairslanguage.cancel', $isNew ? 'JTOOLBAR_CANCEL' : 'JTOOLBAR_CLOSE');
JToolBarHelper::custom('pairslanguage.previous', 'camera.png', 'camera.png', 'Previous Week', false);
JToolBarHelper::custom('pairslanguage.next', 'camera.png', 'camera.png', 'Next Week', false);
JHtmlSidebar::setAction('index.php?option=com_videotranslation&view=pairslanguage&layout=edit&id=' . JRequest::getInt('id'));
JHtmlSidebar::addFilter('Select Interpreter', 'filter_interpreter_id', JHtml::_('select.options', VideoTranslationHelper::getInterpreters(), 'value', 'text', $this->state->get('filter.interpreter_id'), true));
}
