function faq_block in Frequently Asked Questions 5.2

Same name and namespace in other branches

1. 5 faq.module \faq_block()
2. 6 faq.module \faq_block()

Implementation of hook_block().

Create the code of the FAQ page providing three block types: FAQ Categories, Recent FAQs and Random FAQs.

File

./faq.module, line 1093

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($op = 'list', $delta = 0, $edit = array()) {
  static $vocabularies, $terms;
  switch ($op) {
    case 'list':
      $blocks[0]['info'] = t('FAQ Categories');
      $blocks[1]['info'] = t('Recent FAQs');
      $blocks[2]['info'] = t('Random FAQs');
      return $blocks;
    case 'view':
      switch ($delta) {
        case 0:

          // FAQ Categories.
          if (module_exists("taxonomy")) {
            if (!isset($terms)) {
              $terms = array();
              $vocabularies = taxonomy_get_vocabularies('faq');
              $vocab_omit = variable_get('faq_omit_vocabulary', array());
              $vocabularies = array_diff_key($vocabularies, $vocab_omit);
              foreach ($vocabularies as $vocab) {
                foreach (taxonomy_get_tree($vocab->vid) as $term) {
                  if (taxonomy_term_count_nodes($term->tid, 'faq')) {
                    $terms[$term->name] = $term->tid;
                  }
                }
              }
            }
            if (count($terms) > 0) {
              $block['subject'] = t('FAQ Categories');
              $items = array();
              foreach ($terms as $name => $tid) {
                $items[] = l($name, 'faq/' . $tid);
              }
              $list_style = variable_get('faq_category_listing', 'ul');
              $block['content'] = theme('item_list', $items, NULL, $list_style);
            }
          }
          break;
        case 1:

          // Recent FAQs.
          $block['subject'] = t('Recent FAQs');
          $block['content'] = faq_highlights_block(variable_get('faq_block_recent_faq_count', 5));
          break;
        case 2:

          // Random FAQs.
          $block['subject'] = t('Random FAQs');
          $block['content'] = faq_random_highlights_block(variable_get('faq_block_random_faq_count', 5));
          break;
      }

      // End switch($delta).
      return $block;
    case 'configure':
      switch ($delta) {
        case 0:
          break;
        case 1:

          // Recent FAQs.
          $form['faq_block_recent_faq_count'] = array(
            '#type' => 'textfield',
            '#title' => t('Number of FAQs to show'),
            '#description' => t("This controls the number of FAQs that appear in the 'Recent FAQs' block"),
            '#default_value' => variable_get('faq_block_recent_faq_count', 5),
          );
          break;
        case 2:

          // Random FAQs.
          $form['faq_block_random_faq_count'] = array(
            '#type' => 'textfield',
            '#title' => t('Number of FAQs to show'),
            '#description' => t("This controls the number of FAQs that appear in the 'Random FAQs' block"),
            '#default_value' => variable_get('faq_block_random_faq_count', 5),
          );
          break;
      }

      // End switch($delta).
      return $form;
    case 'save':
      switch ($delta) {
        case 0:
          break;
        case 1:
          variable_set('faq_block_recent_faq_count', $edit['faq_block_recent_faq_count']);
          break;
        case 2:
          variable_set('faq_block_random_faq_count', $edit['faq_block_random_faq_count']);
          break;
      }

      // End switch($delta).
      return;
  }

  // End switch($op).
}