function faq_block_view in Frequently Asked Questions 7.2

Same name and namespace in other branches

1. 7 faq.module \faq_block_view()

Implements hook_block_view().

File

./faq.module, line 817

The FAQ module allows users to create a FAQ page, with questions and answers displayed in different styles, according to the settings.

Code

function faq_block_view($delta) {
  static $vocabularies, $terms;
  $block = array();
  switch ($delta) {
    case 'faq_categories':
      if (module_exists('taxonomy')) {
        if (!isset($terms)) {
          $terms = array();
          $vocabularies = taxonomy_get_vocabularies('faq');
          $vocab_omit = array_flip(variable_get('faq_omit_vocabulary', array()));
          $vocabularies = array_diff_key($vocabularies, $vocab_omit);
          foreach ($vocabularies as $vocab) {
            foreach (taxonomy_get_tree($vocab->vid) as $term) {
              if (faq_taxonomy_term_count_nodes($term->tid)) {
                $terms[$term->name] = $term->tid;
              }
            }
          }
        }
        if (count($terms) > 0) {
          $block['subject'] = t('FAQ Categories');
          $items = array();
          foreach ($terms as $name => $tid) {
            $items[] = l(faq_tt("taxonomy:term:{$tid}:name", $name), 'faq-page/' . $tid);
          }
          $list_style = variable_get('faq_category_listing', 'ul');
          $block['content'] = theme('item_list', array(
            'items' => $items,
            'title' => NULL,
            'type' => $list_style,
          ));
        }
      }
      break;
  }
  return $block;
}