function maxlength_form_alter in Maxlength 7

Same name and namespace in other branches

1. 5.2 maxlength.module \maxlength_form_alter()
2. 5 maxlength.module \maxlength_form_alter()
3. 6.2 maxlength.module \maxlength_form_alter()
4. 6 maxlength.module \maxlength_form_alter()
5. 7.3 maxlength.module \maxlength_form_alter()
6. 7.2 maxlength.module \maxlength_form_alter()

Implementation of hook_form_alter().

File

./maxlength.module, line 23

Enables a max length countdown on node body, title and CCK textfields.

Code

function maxlength_form_alter(&$form, &$form_state, $form_id) {

  // Editing the content
  if (strpos($form['#id'], 'node-form') !== FALSE) {
    module_load_include('inc', 'maxlength', 'maxlength');
    _maxlength_content_form_alter($form, $form_state, $form_id);
  }
  elseif ($form_id == 'node_type_form' && isset($form['submission'])) {
    module_load_include('inc', 'maxlength', 'maxlength');
    _maxlength_content_type_form_alter($form, $form_state, $form_id);
  }
  elseif ($form_id == 'field_ui_field_edit_form' && isset($form['field']['settings'])) {
    if ($form['#field']['type'] == 'text' || $form['#field']['type'] == 'text_long' || $form['#field']['type'] == 'text_with_summary') {
      if (($form['#field']['type'] == 'text_long' || $form['#field']['type'] == 'text_with_summary') && empty($form['field']['settings']['max_length'])) {
        $field_key = $form['instance']['field_name']['#value'];
        if (!(strpos($field_key, 'field_') === 0)) {
          $type = isset($form['instance']['bundle']['#value']) ? $form['instance']['bundle']['#value'] : '';
          if ($type != '') {
            $field_key .= '_' . $type;
          }
        }
        $form['field']['settings']['max_length'] = array(
          '#type' => 'textfield',
          '#title' => t('Maximum length'),
          '#default_value' => variable_get('maxlength_' . $field_key, ''),
          '#required' => FALSE,
          '#element_validate' => array(
            '_element_validate_integer_positive',
          ),
          '#description' => t('The maximum length of the field in characters. Leave blank for an unlimited size.'),
        );
      }
      module_load_include('inc', 'maxlength', 'maxlength');
      _maxlength_cck_form_alter($form, $form_state, $form_id);
    }
  }
  elseif ($form_id == '_content_admin_field_remove') {
    variable_del('maxlength_' . $form['field_name']['#value']);
    variable_del('maxlength_' . $form['field_name']['#value'] . '_js');
    variable_del('maxlength_' . $form['field_name']['#value'] . '_text');
  }
}