/**
* Submit handler for tab.
*/
public function tabSave($form, FormStateInterface $form_state) {
$this->save($form, $form_state);
// Check if this field has any configuration options.
$tab = $this->tabManager->getDefinition($form_state->getValue('new'));
// Load the configuration form for this option.
if (is_subclass_of($tab['class'], '\Drupal\blocktabs\ConfigurableTabInterface')) {
$form_state->setRedirect(
'blocktabs.tab_add_form',
array(
'blocktabs' => $this->entity->id(),
'tab' => $form_state->getValue('new'),
),
array('query' => array('weight' => $form_state->getValue('weight')))
);
}
// If there's no form, immediately add the tab.
else {
$tab = array(
'id' => $tab['id'],
'data' => array(),
'weight' => $form_state->getValue('weight'),
);
$tab_id = $this->entity->addTab($tab);
$this->entity->save();
if (!empty($tab_id)) {
drupal_set_message($this->t('The tab was successfully added.'));
}
}
}
/**
* {@inheritdoc}
*/
protected function prepareTab($tab) {
$tab = $this->tabManager->createInstance($tab);
// Set the initial weight so this tab comes last.
$tab->setWeight(count($this->blocktabs->getTabs()));
return $tab;
}