Same name in other branches

1. 8.9.x core/modules/forum/src/Form/ForumForm.php \Drupal\forum\Form\ForumForm::forumParentSelect()
2. 10 core/modules/forum/src/Form/ForumForm.php \Drupal\forum\Form\ForumForm::forumParentSelect()
3. 11.x core/modules/forum/src/Form/ForumForm.php \Drupal\forum\Form\ForumForm::forumParentSelect()

Returns a select box for available parent terms.

Parameters

int $tid: ID of the term that is being added or edited.

string $title: Title for the select box.

Return value

array A select form element.

1 call to ForumForm::forumParentSelect()

ForumForm::form in core/modules/forum/src/Form/ForumForm.php

Gets the actual form array to be built.

File

core/modules/forum/src/Form/ForumForm.php, line 128

Class

ForumForm

Base form for forum term edit forms.

Namespace

Drupal\forum\Form

Code

protected function forumParentSelect($tid, $title) {
    $taxonomy_storage = $this->entityTypeManager
        ->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 [
        '#type' => 'select',
        '#title' => $title,
        '#default_value' => $parent,
        '#options' => $options,
        '#description' => $description,
        '#required' => TRUE,
    ];
}

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