public NegotiationBrowserForm::validateForm(array &$form, FormStateInterface $form_state)
Form validation handler.
Parameters
array $form: An associative array containing the structure of the form.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
Overrides FormBase::validateForm
File
- core/modules/language/src/Form/NegotiationBrowserForm.php, line 152
Class
- NegotiationBrowserForm
- Configure the browser language negotiation method for this site.
Namespace
Drupal\language\Form
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | public function validateForm(array &$form, FormStateInterface $form_state) { // Array to check if all browser language codes are unique. $unique_values = array(); // Check all mappings. if ($form_state->hasValue('mappings')) { $mappings = $form_state->getValue('mappings'); foreach ($mappings as $key => $data) { // Make sure browser_langcode is unique. if (array_key_exists($data['browser_langcode'], $unique_values)) { $form_state->setErrorByName('mappings][new_mapping][browser_langcode', $this->t('Browser language codes must be unique.')); } elseif (preg_match('/[^a-z\-]/', $data['browser_langcode'])) { $form_state->setErrorByName('mappings][new_mapping][browser_langcode', $this->t('Browser language codes can only contain lowercase letters and a hyphen(-).')); } $unique_values[$data['browser_langcode']] = $data['drupal_langcode']; } } // Check new mapping. $data = $form_state->getValue('new_mapping'); if (!empty($data['browser_langcode'])) { // Make sure browser_langcode is unique. if (array_key_exists($data['browser_langcode'], $unique_values)) { $form_state->setErrorByName('mappings][' . $key . '][browser_langcode', $this->t('Browser language codes must be unique.')); } elseif (preg_match('/[^a-z\-]/', $data['browser_langcode'])) { $form_state->setErrorByName('mappings][' . $key . '][browser_langcode', $this->t('Browser language codes can only contain lowercase letters and a hyphen(-).')); } $unique_values[$data['browser_langcode']] = $data['drupal_langcode']; } $form_state->set('mappings', $unique_values);} |
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