function theme_select_as_links in Better Exposed Filters 7

Same name and namespace in other branches

1. 8.3 better_exposed_filters.theme \theme_select_as_links()
2. 6.3 better_exposed_filters.theme \theme_select_as_links()
3. 6 better_exposed_filters.theme \theme_select_as_links()
4. 6.2 better_exposed_filters.theme \theme_select_as_links()
5. 7.3 better_exposed_filters.theme \theme_select_as_links()

Themes a select drop-down as a collection of links

Parameters

array $vars - An array of arrays, the 'element' item holds the properties of the element.: Properties used: title, value, options, description, name

Return value

HTML string representing the form element.

See also

theme_select(), http://api.drupal.org/api/function/theme_select/6

1 string reference to 'theme_select_as_links'

better_exposed_filters_theme in ./better_exposed_filters.module

Implements hook_theme().

File

./better_exposed_filters.theme, line 371

Code

function theme_select_as_links($vars) {
  $element = $vars['element'];
  $output = '';
  $name = $element['#name'];

  // Collect selected values so we can properly style the links later
  $selected_options = array();
  if (empty($element['#value'])) {
    if (!empty($element['#default_values'])) {
      $selected_options[] = $element['#default_values'];
    }
  }
  else {
    $selected_options[] = $element['#value'];
  }

  // Add to the selected options specified by Views whatever options are in the
  // URL query string, but only for this filter
  $urllist = parse_url(request_uri());
  if (isset($urllist['query'])) {
    $query = array();
    parse_str(urldecode($urllist['query']), $query);
    foreach ($query as $key => $value) {
      if ($key != $name) {
        continue;
      }
      if (is_array($value)) {

        // This filter allows multiple selections, so put each one on the selected_options array
        foreach ($value as $option) {
          $selected_options[] = $option;
        }
      }
      else {
        $selected_options[] = $value;
      }
    }
  }

  // Go through each filter option and build the appropriate link or plain text
  foreach ($element['#options'] as $option => $elem) {

    // Check for Taxonomy-based filters
    if (is_object($elem)) {
      list($option, $elem) = each(array_slice($elem->option, 0, 1, TRUE));
    }

    /*
     * Check for optgroups.  Put subelements in the $element_set array and add a group heading.
     * Otherwise, just add the element to the set
     */
    $element_set = array();
    if (is_array($elem)) {
      $element_set = $elem;
    }
    else {
      $element_set[$option] = $elem;
    }
    $links = array();
    $multiple = !empty($element['#multiple']);
    foreach ($element_set as $key => $value) {

      // Custom ID for each link based on the <select>'s original ID
      $id = drupal_html_id($element['#id'] . '-' . $key);
      if (array_search($key, $selected_options) === FALSE) {
        $link = l($value, bef_replace_query_string_arg($name, $key, $multiple));
        $output .= theme('form_element', array(
          'element' => array(
            '#id' => $id,
            '#children' => $link,
          ),
        ));
      }
      else {

        // Selected value is output without a link
        // TODO: add link to remove this option from the filter?
        $elem = array(
          '#id' => $id,
          '#children' => $value,
        );
        _form_set_class($elem, array(
          'bef-select-as-links-selected',
        ));
        $output .= theme('form_element', array(
          'element' => $elem,
        ));
      }
    }
  }
  $properties = array(
    '#description' => isset($element['#description']) ? $element['#description'] : '',
    '#children' => $output,
  );
  return '<div class="bef-select-as-links">' . theme('form_element', array(
    'element' => $properties,
  )) . '</div>';
}