function _maxlength_children in Maxlength 7.3

Recursively add the #maxlength_js and #maxlength properties to the elements of a form.

@todo: This function is currently only working for fieldapi fields.

Parameters

array $element: The form element to start looking for.

array $ms_elements: An associative array of api field elements as returned by field_info_instances() that the #maxlength and #maxlength_js properties should be set, with the field_name as a key and the field_data as the value.

1 call to _maxlength_children()

maxlength_field_attach_form in ./maxlength.module

Implements hook_field_attach_form().

File

./maxlength.module, line 162

Limit the number of characters in textfields and textareas and shows the amount of characters left.

Code

function _maxlength_children(&$element, $ms_elements) {
  $bypass =& drupal_static(__FUNCTION__);

  // Add "$conf['maxlength_always_for_uid1'] = TRUE;" to settings.php to activate
  // for user #1.
  if (isset($bypass) && $bypass) {
    return;
  }
  elseif (!isset($bypass)) {
    $bypass = $GLOBALS['user']->uid == 1 ? !variable_get('maxlength_always_for_uid1', FALSE) : user_access('bypass maxlength');
  }
  $children = element_get_visible_children($element);
  foreach ($children as $child) {

    // Check if the field settings for maxlength_js are set and add the maxlength and the label text.
    if (isset($element[$child]['#field_name']) && isset($ms_elements[$element[$child]['#field_name']])) {
      $settings = $ms_elements[$element[$child]['#field_name']]['widget']['settings'];
      if ($settings['maxlength_js'] > 0) {
        _maxlength_add_maxlength_attributes($element[$child], $settings);
        if (isset($settings['maxlength_js_enforce']) && $settings['maxlength_js_enforce']) {
          $element[$child]['#maxlength_js_enforce'] = TRUE;
        }
        if (isset($settings['maxlength_js_truncate_html']) && $settings['maxlength_js_truncate_html']) {
          $element[$child]['#maxlength_js_truncate_html'] = TRUE;
        }
      }
      if (isset($element[$child]['summary']) && isset($settings['maxlength_js_summary']) && $settings['maxlength_js_summary'] > 0) {
        _maxlength_add_maxlength_attributes($element[$child]['summary'], $settings, '_summary');
      }
    }
    _maxlength_children($element[$child], $ms_elements);
  }
}