page_manager-8.x-4.0-beta6/page_manager_ui/src/Form/PageVariantSelectionForm.php

<?php

namespace Drupal\page_manager_ui\Form;

use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\OpenModalDialogCommand;
use Drupal\Core\Form\FormBuilderInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\ctools\Form\ManageConditions;

/**
 * Form for Page Variant Selection.
 */
class PageVariantSelectionForm extends ManageConditions {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'page_manager_access_form';
  }

  /**
   * {@inheritdoc}
   */
  protected function getConditionClass() {
    return SelectionConfigure::class;
  }

  /**
   * {@inheritdoc}
   */
  protected function getTempstoreId() {
    return 'page_manager.page';
  }

  /**
   * {@inheritdoc}
   */
  protected function getOperationsRouteInfo($cached_values, $machine_name, $row) {
    /** @var \Drupal\page_manager\PageVariantInterface $page_variant */
    $page_variant = $cached_values['page_variant'];
    return ['entity.page_variant.condition', [
      'machine_name' => $machine_name,
      'variant_machine_name' => $page_variant->id(),
      'condition' => $row,
    ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  protected function getConditions($cached_values) {
    /** @var \Drupal\page_manager\Entity\PageVariant $page */
    $page_variant = $cached_values['page_variant'];
    return $page_variant->get('selection_criteria');
  }

  /**
   * {@inheritdoc}
   */
  protected function getContexts($cached_values) {
    /** @var \Drupal\page_manager\Entity\PageVariant $page_variant */
    $page_variant = $cached_values['page_variant'];
    return $page_variant->getContexts();
  }

  /**
   * {@inheritdoc}
   */
  protected function getAddRoute($cached_values) {
    return 'entity.page_variant.condition.add';
  }

  /**
   * {@inheritdoc}
   */
  public function add(array &$form, FormStateInterface $form_state) {
    $cached_values = $form_state->getTemporaryValue('wizard');
    $page_variant = $cached_values['page_variant'];
    $condition = $form_state->getValue('conditions');
    $content = \Drupal::formBuilder()->getForm($this->getConditionClass(), $condition, $this->getTempstoreId(), $this->machine_name, $page_variant->id());
    $content['#attached']['library'][] = 'core/drupal.dialog.ajax';
    [, $route_parameters] = $this->getOperationsRouteInfo($cached_values, $this->machine_name, $form_state->getValue('conditions'));
    $content['submit']['#attached']['drupalSettings']['ajax'][$content['submit']['#id']]['url'] = Url::fromRoute(
      $this->getAddRoute($cached_values),
      $route_parameters,
      ['query' => [FormBuilderInterface::AJAX_FORM_REQUEST => TRUE]]
    )->toString();
    $response = new AjaxResponse();
    $response->addCommand(new OpenModalDialogCommand($this->t('Configure Required Context'), $content, ['width' => '700']));
    return $response;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $triggering_element = $form_state->getTriggeringElement();
    if ($triggering_element['#value']->getUntranslatedString() != 'Add Condition') {
      return;
    }
    parent::submitForm($form, $form_state);
  }

}