function template_preprocess_biblio_sort_tabs in Bibliography Module 7

File

includes/biblio_theme.inc, line 1324

Code

function template_preprocess_biblio_sort_tabs(&$vars) {
  $vars['tabs_style'] = variable_get('biblio_sort_tabs_style', 0);
  $uri = drupal_parse_url(request_uri());
  $uri['path'] = $_GET['q'];
  $uri['path'] = trim($uri['path'], '/');
  $defaults = array(
    'author' => 'asc',
    'title' => 'asc',
    'type' => 'asc',
    'year' => 'desc',
    'keyword' => 'asc',
  );
  if (isset($uri['query']['s'])) {
    $sort = $uri['query']['s'];
  }
  else {
    $sort = variable_get('biblio_sort', 'year');
  }
  if (isset($uri['query']['o'])) {
    $order = strtolower($uri['query']['o']);
  }
  else {
    $order = strtolower(variable_get('biblio_order', 'desc'));
  }

  // Flip it.
  $order = $order == 'desc' ? 'asc' : 'desc';
  $path = drupal_get_path('module', 'biblio');
  $order_arrow = $order == 'asc' ? theme('image', array(
    'path' => $path . '/misc/arrow-asc.png',
    'alt' => '(Asc)',
  )) : theme('image', array(
    'path' => $path . '/misc/arrow-desc.png',
    'alt' => '(Desc)',
  ));
  $sort_links = array_filter(variable_get('biblio_sort_tabs', array(
    'author' => 'author',
    'title' => 'title',
    'type' => 'type',
    'year' => 'year',
    'keyword' => 'keyword',
  )));
  ksort($sort_links);
  $links = array();
  foreach ($sort_links as $key => $title) {
    $uri_copy = $uri;
    $uri_copy['attributes'] = array(
      "title" => t("Click a second time to reverse the sort order"),
    );
    $uri_copy['html'] = TRUE;
    $uri_copy['text'] = t(ucfirst($title));
    $uri_copy['query']['s'] = $title;
    if ($key === $title && $title == $sort) {
      $uri_copy['query']['o'] = $order;
      $uri_copy['attributes']['class'][] = "active";
      $uri_copy['active'] = TRUE;
      $uri_copy['pfx'] = ' [ ';
      $uri_copy['sfx'] = '] ';
      $uri_copy['arrow'] = $order_arrow;
    }
    elseif ($key === $title) {
      $uri_copy['query']['o'] = $defaults[$title];
      $uri_copy['active'] = FALSE;
      $uri_copy['pfx'] = ' ';
      $uri_copy['sfx'] = ' ';
      $uri_copy['arrow'] = '';
    }
    $links[] = $uri_copy;
  }
  $vars['links'] = $links;
}