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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\forum\Form\ForumForm. | |
| */ | |
| namespace Drupal\forum\Form; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Url; | |
| use Drupal\taxonomy\TermForm; | |
| /** | |
| * Base form for forum term edit forms. | |
| */ | |
| class ForumForm extends TermForm { | |
| /** | |
| * Reusable type field to use in status messages. | |
| * | |
| * @var string | |
| */ | |
| protected $forumFormType; | |
| /** | |
| * Reusable url stub to use in watchdog messages. | |
| * | |
| * @var string | |
| */ | |
| protected $urlStub = 'forum'; | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function form(array $form, FormStateInterface $form_state) { | |
| $taxonomy_term = $this->entity; | |
| // Build the bulk of the form from the parent taxonomy term form. | |
| $form = parent::form($form, $form_state, $taxonomy_term); | |
| // Set the title and description of the name field. | |
| $form['name']['#title'] = $this->t('Forum name'); | |
| $form['name']['#description'] = $this->t('Short but meaningful name for this collection of threaded discussions.'); | |
| // Change the description. | |
| $form['description']['#description'] = $this->t('Description and guidelines for discussions within this forum.'); | |
| // Re-use the weight field. | |
| $form['weight'] = $form['relations']['weight']; | |
| // Remove the remaining relations fields. | |
| unset($form['relations']); | |
| // Our parent field is different to the taxonomy term. | |
| $form['parent']['#tree'] = TRUE; | |
| $form['parent'][0] = $this->forumParentSelect($taxonomy_term->id(), $this->t('Parent')); | |
| $form['#theme_wrappers'] = array('form__forum'); | |
| $this->forumFormType = $this->t('forum'); | |
| return $form; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function buildEntity(array $form, FormStateInterface $form_state) { | |
| $term = parent::buildEntity($form, $form_state); | |
| // Assign parents from forum parent select field. | |
| $term->parent = array($form_state->getValue(array('parent', 0))); | |
| return $term; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function save(array $form, FormStateInterface $form_state) { | |
| $term = $this->entity; | |
| $term_storage = $this->entityManager->getStorage('taxonomy_term'); | |
| $status = $term_storage->save($term); | |
| $route_name = $this->urlStub == 'container' ? 'entity.taxonomy_term.forum_edit_container_form' : 'entity.taxonomy_term.forum_edit_form'; | |
| $route_parameters = ['taxonomy_term' => $term->id()]; | |
| $link = $this->l($this->t('Edit'), new Url($route_name, $route_parameters)); | |
| switch ($status) { | |
| case SAVED_NEW: | |
| drupal_set_message($this->t('Created new @type %term.', array('%term' => $term->getName(), '@type' => $this->forumFormType))); | |
| $this->logger('forum')->notice('Created new @type %term.', array('%term' => $term->getName(), '@type' => $this->forumFormType, 'link' => $link)); | |
| $form_state->setValue('tid', $term->id()); | |
| break; | |
| case SAVED_UPDATED: | |
| drupal_set_message($this->t('The @type %term has been updated.', array('%term' => $term->getName(), '@type' => $this->forumFormType))); | |
| $this->logger('forum')->notice('Updated @type %term.', array('%term' => $term->getName(), '@type' => $this->forumFormType, 'link' => $link)); | |
| break; | |
| } | |
| $form_state->setRedirect('forum.overview'); | |
| return $term; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function actions(array $form, FormStateInterface $form_state) { | |
| $actions = parent::actions($form, $form_state); | |
| if (!$this->entity->isNew() && $this->entity->hasLinkTemplate('forum-delete-form')) { | |
| $actions['delete']['#url'] = $this->entity->urlInfo('forum-delete-form'); | |
| } | |
| else { | |
| unset($actions['delete']); | |
| } | |
| return $actions; | |
| } | |
| /** | |
| * Returns a select box for available parent terms. | |
| * | |
| * @param int $tid | |
| * ID of the term that is being added or edited. | |
| * @param string $title | |
| * Title for the select box. | |
| * | |
| * @return array | |
| * A select form element. | |
| */ | |
| protected function forumParentSelect($tid, $title) { | |
| $taxonomy_storage = $this->entityManager->getStorage('taxonomy_term'); | |
| $parents = $taxonomy_storage->loadParents($tid); | |
| if ($parents) { | |
| $parent = array_shift($parents); | |
| $parent = $parent->id(); | |
| } | |
| else { | |
| $parent = 0; | |
| } | |
| $vid = $this->config('forum.settings')->get('vocabulary'); | |
| $children = $taxonomy_storage->loadTree($vid, $tid, NULL, TRUE); | |
| // A term can't be the child of itself, nor of its children. | |
| foreach ($children as $child) { | |
| $exclude[] = $child->tid; | |
| } | |
| $exclude[] = $tid; | |
| $tree = $taxonomy_storage->loadTree($vid, 0, NULL, TRUE); | |
| $options[0] = '<' . $this->t('root') . '>'; | |
| if ($tree) { | |
| foreach ($tree as $term) { | |
| if (!in_array($term->id(), $exclude)) { | |
| $options[$term->id()] = str_repeat(' -- ', $term->depth) . $term->getName(); | |
| } | |
| } | |
| } | |
| $description = $this->t('Forums may be placed at the top (root) level, or inside another container or forum.'); | |
| return array( | |
| '#type' => 'select', | |
| '#title' => $title, | |
| '#default_value' => $parent, | |
| '#options' => $options, | |
| '#description' => $description, | |
| '#required' => TRUE, | |
| ); | |
| } | |
| } |