function _lexicon_page in Lexicon 7

Lexicon page callback function.

1 string reference to '_lexicon_page'

lexicon_menu in ./lexicon.module

Implements hook_menu().

File

includes/lexicon.pages.inc, line 10

Page callbacks for the Lexicon module

Code

function _lexicon_page($letter = NULL) {
  $found_vid = NULL;
  $curr_path = $_GET['q'];
  $scroll_enabled = variable_get('lexicon_local_links_scroll', 0);
  $path = drupal_get_path('module', 'lexicon');

  // Add the JavaScript required for the scroll effect if enabled.
  if ($scroll_enabled == 1) {
    drupal_add_js($path . '/js/jquery.scrollTo-min.js');
    drupal_add_js($path . '/js/jquery.localscroll-min.js');
    drupal_add_js($path . '/js/lexicon.js');
  }
  $vids = variable_get('lexicon_vids', array());

  // Get the vocabulary-id for the vocabulary which the page callback is called
  // for by comparing the current path to the path that is configured for each
  // Lexicon.
  foreach ($vids as $vid) {
    $tmp_path = variable_get('lexicon_path_' . $vid, 'lexicon/' . $vid);
    if (strpos($curr_path, $tmp_path) !== FALSE) {
      $found_vid = $vid;
    }
  }

  // Check the argument and derive the letter from it if it is correct.
  if ($letter != NULL) {
    if (drupal_strlen($letter) != 8 || drupal_substr($letter, 0, 7) != 'letter_') {
      return MENU_NOT_FOUND;
    }
    else {
      $letter = drupal_substr($letter, 7, 1);
    }
  }
  $voc = taxonomy_vocabulary_load($found_vid);

  // Set the active menu to be "primary-links" to make the breadcrumb work.
  // By default the active menu would be "navigation", causing only
  // "Home" > $node->title to be shown.
  menu_set_active_menu_names('primary-links');
  return _lexicon_overview($voc, $letter);
}