function theme_select_as_hidden in Better Exposed Filters 7.3

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 better_exposed_filters.theme \theme_select_as_hidden()
4. 6.2 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

array $vars: An array of arrays, the 'element' item holds the properties of the element.

Return value

string HTML representing the form element.

See also

http://api.drupal.org/api/function/theme_select/7

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 166

Provides theming functions to display exposed forms using different interfaces.

Code

function theme_select_as_hidden($vars) {
  $element = $vars['element'];
  $output = '';
  $selected_options = empty($element['#value']) ? $element['#default_value'] : $element['#value'];
  $properties = array(
    'title' => isset($element['#title']) ? $element['#title'] : '',
    'description' => isset($element['#bef_description']) ? $element['#bef_description'] : '',
    'required' => FALSE,
  );
  foreach ($element['#options'] as $option => $elem) {

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

    // 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> element's
        // original ID.
        $id = drupal_html_id($element['#id'] . '-' . $key);
        $hidden = array(
          'id' => $id,
          'name' => check_plain($element['#name']) . '[]',
          'value' => check_plain($key),
        );
        $output .= theme('form_element', array(
          'element' => array_merge($properties, array(
            '#id' => $id,
            '#children' => theme_hidden(array(
              'element' => $hidden,
            )),
          )),
        ));
      }
    }
  }
  return $output;
}