/**
* Loops through and displays all form errors.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*/
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');
}
}
/**
* Loops through and displays all form errors.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*/
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) {
// We need to pass this through SafeMarkup::escape() so
// drupal_set_message() does not encode the links.
$error_links[] = SafeMarkup::escape($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)) {
$message = $this->formatPlural(count($error_links), '1 error has been found: !errors', '@count errors have been found: !errors', ['!errors' => SafeMarkup::set(implode(', ', $error_links))]);
$this->drupalSetMessage($message, 'error');
}
}
/**
* Tests the getElementTitle() method.
*
* @covers ::getElementTitle
*
* @dataProvider getElementTitleProvider
*/
public function testGetElementTitle($name, $form, $expected)
{
$element = FormElementHelper::getElementByName($name, $form);
$this->assertSame($expected, FormElementHelper::getElementTitle($element));
}