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<?php
namespace Drupal\linkit\Element;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\BubbleableMetadata;
use Drupal\Core\Render\Element\FormElement;
use Drupal\Core\Render\Element\Textfield;
use Drupal\Core\Url;
class Linkit extends FormElement {
public function getInfo() {
$class = get_class($this);
return [
'#input' => TRUE,
'#size' => 60,
'#process' => [
[
$class,
'processLinkitAutocomplete',
],
[
$class,
'processGroup',
],
[
$class,
'processAjaxForm',
],
],
'#pre_render' => [
[
$class,
'preRenderLinkitElement',
],
[
$class,
'preRenderGroup',
],
],
'#theme' => 'input__textfield',
'#theme_wrappers' => [
'form_element',
],
];
}
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
return Textfield::valueCallback($element, $input, $form_state);
}
public static function processLinkitAutocomplete(&$element, FormStateInterface $form_state, &$complete_form) {
$url = NULL;
$access = FALSE;
if (!empty($element['#autocomplete_route_name'])) {
$parameters = isset($element['#autocomplete_route_parameters']) ? $element['#autocomplete_route_parameters'] : [];
$url = Url::fromRoute($element['#autocomplete_route_name'], $parameters)
->toString(TRUE);
$access_manager = \Drupal::service('access_manager');
$access = $access_manager
->checkNamedRoute($element['#autocomplete_route_name'], $parameters, \Drupal::currentUser(), TRUE);
}
if ($access) {
$metadata = BubbleableMetadata::createFromRenderArray($element);
if ($access
->isAllowed()) {
$element['#attributes']['class'][] = 'form-linkit-autocomplete';
$metadata
->addAttachments([
'library' => [
'linkit/linkit.autocomplete',
],
]);
$element['#attributes']['data-autocomplete-path'] = $url
->getGeneratedUrl();
$metadata = $metadata
->merge($url);
}
$metadata
->merge(BubbleableMetadata::createFromObject($access))
->applyTo($element);
}
return $element;
}
public static function preRenderLinkitElement($element) {
return Textfield::preRenderTextfield($element);
}
}