function LanguageFormBase::validateCommon

Validates the language editing element.

File

core/modules/language/src/Form/LanguageFormBase.php, line 96

Class

LanguageFormBase

Base form for language add and edit forms.

Namespace

Code

public function validateCommon(array $form, FormStateInterface $form_state) {
    // Ensure sane field values for langcode and name.
    if (!isset($form['langcode_view']) && !preg_match('@^' . LanguageInterface::VALID_LANGCODE_REGEX . '$@', $form_state->getValue('langcode'))) {
        $form_state->setErrorByName('langcode', $this->t('%field must be a valid language tag as <a href=":url">defined by the W3C</a>.', [
            '%field' => $form['langcode']['#title'],
            ':url' => 'http://www.w3.org/International/articles/language-tags/',
        ]));
    }
    if ($form_state->getValue('label') != Html::escape($form_state->getValue('label'))) {
        $form_state->setErrorByName('label', $this->t('%field cannot contain any markup.', [
            '%field' => $form['label']['#title'],
        ]));
    }
}