function field_group_validate_css_class in Field Group 8

Same name and namespace in other branches

1. 7.2 field_group.field_ui.inc \field_group_validate_css_class()
2. 7 field_group.field_ui.inc \field_group_validate_css_class()

Validate the entered css class from the submitted format settings.

Parameters

Array $element The validated element:

FormStateInterface $form_state The state of the form.:

1 string reference to 'field_group_validate_css_class'

FieldGroupFormatterBase::settingsForm in src/FieldGroupFormatterBase.php

Returns a form to configure settings for the formatter.

File

includes/helpers.inc, line 45

Code

function field_group_validate_css_class($element, FormStateInterface $form_state) {
  $form_state_values = $form_state
    ->getValues();
  $plugin_name = $form_state
    ->get('plugin_settings_edit');
  if (!empty($form_state_values['fields'][$plugin_name]['settings_edit_form']['settings']['classes']) && !preg_match('!^[A-Za-z0-9-_ ]+$!', $form_state_values['fields'][$plugin_name]['settings_edit_form']['settings']['classes'])) {
    $form_state
      ->setError($element, $form_state, t('The css class must include only letters, numbers, underscores and dashes.'));
  }
}