function maxlength_pre_render in Maxlength 7.3

Pre render function to set maxlength attributes.

1 call to maxlength_pre_render()

maxlength_form_alter in ./maxlength.module

Implements hook_form_alter().

1 string reference to 'maxlength_pre_render'

maxlength_element_info_alter in ./maxlength.module

Implements hook_element_info_alter().

File

./maxlength.module, line 49

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

Code

function maxlength_pre_render($element) {
  if ((isset($element['#maxlength']) && $element['#maxlength'] > 0 || isset($element['#attributes']['maxlength']) && $element['#attributes']['maxlength'] > 0) && isset($element['#maxlength_js']) && $element['#maxlength_js'] === TRUE) {
    if ($element['#type'] == 'textarea' && !isset($element['#attributes']['maxlength'])) {
      $element['#attributes']['maxlength'] = $element['#maxlength'];
    }
    $element['#attributes']['class'][] = 'maxlength';
    $element['#attached']['js'][] = drupal_get_path('module', 'maxlength') . '/js/maxlength.js';
  }
  return $element;
}