function theme_select_as_hidden in Better Exposed Filters 8.3

Same name and namespace in other branches

1. 6.3 better_exposed_filters.theme \theme_select_as_hidden()
2. 6 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

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

File

./better_exposed_filters.theme, line 76

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>'s original ID.
        $id = drupal_html_id($element['#id'] . '-' . $key);

        // Very similar to theme_hidden()
        // (http://api.drupal.org/api/function/theme_hidden/7).
        // @TODO: Render in a template
        $hidden = '<input type="hidden" ' . 'name="' . filter_xss($element['#name']) . '[]" ' . 'id="' . $id . '" ' . 'value="' . check_plain($key) . '" ' . drupal_attributes($element['#attributes']) . ' />';

        // @TODO: Render in a template
        $output .= theme('form_element', array(
          'element' => array_merge($properties, array(
            '#id' => $id,
            '#children' => $hidden,
          )),
        ));
      }
    }
  }
  return $output;
}