function _forum_parent_select

Returns a select box for available parent terms.

Parameters

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

$title: Title for the select box.

$child_type: Whether the child is a forum or a container.

Return value

A select form element.

File

modules/forum/forum.admin.inc, line 315

Code

function _forum_parent_select($tid, $title, $child_type) {
    $parents = taxonomy_get_parents($tid);
    if ($parents) {
        $parent = array_shift($parents);
        $parent = $parent->tid;
    }
    else {
        $parent = 0;
    }
    $vid = variable_get('forum_nav_vocabulary', '');
    $children = taxonomy_get_tree($vid, $tid);
    // A term can't be the child of itself, nor of its children.
    foreach ($children as $child) {
        $exclude[] = $child->tid;
    }
    $exclude[] = $tid;
    $tree = taxonomy_get_tree($vid);
    $options[0] = '<' . t('root') . '>';
    if ($tree) {
        foreach ($tree as $term) {
            if (!in_array($term->tid, $exclude)) {
                $options[$term->tid] = str_repeat(' -- ', $term->depth) . $term->name;
            }
        }
    }
    if ($child_type == 'container') {
        $description = t('Containers are usually placed at the top (root) level, but may also be placed inside another container or forum.');
    }
    elseif ($child_type == 'forum') {
        $description = 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,
    );
}