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<?php
namespace Drupal\forum\Form;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;
use Drupal\Core\Url;
use Drupal\taxonomy\Form\OverviewTerms;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
/**
* Provides forum overview form for the forum vocabulary.
*/
class Overview extends OverviewTerms {
/**
* Entity manager Service Object.
*
* @var \Drupal\Core\Entity\EntityManagerInterface
*/
protected $entityManager;
/**
* Constructs a \Drupal\forum\Form\OverviewForm object.
*
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
* The module handler service.
* @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
* The entity manager service.
*/
public function __construct(ModuleHandlerInterface $module_handler, EntityManagerInterface $entity_manager) {
parent::__construct($module_handler, $entity_manager);
$this->entityManager = $entity_manager;
}
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'forum_overview';
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state) {
$forum_config = $this->config('forum.settings');
$vid = $forum_config->get('vocabulary');
$vocabulary = $this->entityManager->getStorage('taxonomy_vocabulary')->load($vid);
if (!$vocabulary) {
throw new NotFoundHttpException();
}
// Build base taxonomy term overview.
$form = parent::buildForm($form, $form_state, $vocabulary);
foreach (Element::children($form['terms']) as $key) {
if (isset($form['terms'][$key]['#term'])) {
$term = $form['terms'][$key]['#term'];
$form['terms'][$key]['term']['#url'] = Url::fromRoute('forum.page', ['taxonomy_term' => $term->id()]);
unset($form['terms'][$key]['operations']['#links']['delete']);
$route_parameters = $form['terms'][$key]['operations']['#links']['edit']['url']->getRouteParameters();
if (!empty($term->forum_container->value)) {
$form['terms'][$key]['operations']['#links']['edit']['title'] = $this->t('edit container');
$form['terms'][$key]['operations']['#links']['edit']['url'] = Url::fromRoute('entity.taxonomy_term.forum_edit_container_form', $route_parameters);
}
else {
$form['terms'][$key]['operations']['#links']['edit']['title'] = $this->t('edit forum');
$form['terms'][$key]['operations']['#links']['edit']['url'] = Url::fromRoute('entity.taxonomy_term.forum_edit_form', $route_parameters);
}
// We don't want the redirect from the link so we can redirect the
// delete action.
unset($form['terms'][$key]['operations']['#links']['edit']['query']['destination']);
}
}
// Remove the alphabetical reset.
unset($form['actions']['reset_alphabetical']);
// Use the existing taxonomy overview submit handler.
$form['terms']['#empty'] = $this->t('No containers or forums available. <a href=":container">Add container</a> or <a href=":forum">Add forum</a>.', [
':container' => $this->url('forum.add_container'),
':forum' => $this->url('forum.add_forum')
]);
return $form;
}
}