protected FormErrorHandler::displayErrorMessages(array $form, FormStateInterface $form_state)
Loops through and displays all form errors.
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 FormErrorHandler::displayErrorMessages
File
- core/modules/inline_form_errors/src/FormErrorHandler.php, line 55
Class
- FormErrorHandler
- Produces inline form errors.
Namespace
Drupal\inline_form_errors
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 35 36 37 38 39 40 41 42 43 44 45 46 47 | protected function displayErrorMessages(array $form, FormStateInterface $form_state) { $error_links = []; $errors = $form_state->getErrors(); // Loop through all form errors and check if we need to display a link. foreach ($errors as $name => $error) { $form_element = FormElementHelper::getElementByName($name, $form); $title = FormElementHelper::getElementTitle($form_element); // Only show links to erroneous elements that are visible. $is_visible_element = Element::isVisibleElement($form_element); // Only show links for elements that have a title themselves or have // children with a title. $has_title = !empty($title); // Only show links for elements with an ID. $has_id = !empty($form_element['#id']); // Do not show links to elements with suppressed messages. Most often // their parent element is used for inline errors. if (!empty($form_element['#error_no_message'])) { unset($errors[$name]); } elseif ($is_visible_element && $has_title && $has_id) { $error_links[] = $this->l($title, Url::fromRoute('<none>', [], ['fragment' => $form_element['#id'], 'external' => TRUE])); unset($errors[$name]); } } // Set normal error messages for all remaining errors. foreach ($errors as $error) { $this->drupalSetMessage($error, 'error'); } if (!empty($error_links)) { $render_array = [ [ '#markup' => $this->formatPlural(count($error_links), '1 error has been found: ', '@count errors have been found: '), ], [ '#theme' => 'item_list', '#items' => $error_links, '#context' => ['list_style' => 'comma-list'], ], ]; $message = $this->renderer->renderPlain($render_array); $this->drupalSetMessage($message, 'error'); }} |
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