function type_style_form_validate in Type Style 8

Validate handler for forms with menu options.

See also

type_style_form_alter()

1 string reference to 'type_style_form_validate'

type_style_attach_to_form in ./type_style.module

Attaches Type Style elements to a form.

File

./type_style.module, line 79

Hook implementations for the Type Style module.

Code

function type_style_form_validate(&$form, FormStateInterface $form_state) {
  $color = $form_state
    ->getValue([
    'type_style',
    'color',
  ]);
  $color_regex = '/^#[0-9a-f]{6}$/i';
  if (!empty($color) && !preg_match($color_regex, $color)) {
    $form_state
      ->setErrorByName('type_style', t('The style color must be represented in hexadecimal, i.e. #000000.'));
  }
}