function theme_select_as_hidden in Better Exposed Filters 6

Same name and namespace in other branches

1. 8.3 better_exposed_filters.theme \theme_select_as_hidden()
2. 6.3 better_exposed_filters.theme \theme_select_as_hidden()
3. 6.2 better_exposed_filters.theme \theme_select_as_hidden()
4. 7.3 better_exposed_filters.theme \theme_select_as_hidden()
5. 7 better_exposed_filters.theme \theme_select_as_hidden()

Themes a select element as a series of hidden fields

Parameters

object $element - An associative array containing the properties of the element.: Properties used: title, value, options, description

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_hidden'

better_exposed_filters_theme in ./better_exposed_filters.module

Implements hook_theme()

File

./better_exposed_filters.theme, line 105

Code

function theme_select_as_hidden($element) {
  $output = '';
  $selected_options = (array) $element['#post'][$element['#name']];

  // the selected keys from #options
  $properties = array(
    'title' => $element['#title'],
    'description' => $element['#description'],
    'required' => FALSE,
  );
  foreach ($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] = $elem;
    }
    foreach ($element_set as $key => $value) {

      // Only render fields for selected values -- no selected values renders zero fields
      if (array_search($key, $selected_options) !== FALSE) {

        // Custom ID for each hidden field based on the <select>'s original ID
        $id = form_clean_id($element['#id'] . '-' . $key);

        // Very similar to theme_hidden (http://api.drupal.org/api/function/theme_hidden/6)
        $hidden = '<input type="hidden" ' . 'name="' . $element['#name'] . '[]" ' . 'id="' . $id . '" ' . 'value="' . check_plain($key) . '" ' . drupal_attributes($element['#attributes']) . ' />';
        $output .= theme('form_element', array_merge($properties, array(
          '#id' => $id,
        )), $hidden);
      }
    }
  }
  return $output;
}