GeysirParagraphDeleteForm.php in Geysir 8

Namespace

Drupal\geysir\Form

File

src/Form/GeysirParagraphDeleteForm.php

<?php

namespace Drupal\geysir\Form;

use Drupal\Core\Entity\ContentEntityDeleteForm;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;

/**
 * Functionality to delete a paragraph.
 */
class GeysirParagraphDeleteForm extends ContentEntityDeleteForm {
  use GeysirFormEntityRevisionTrait;

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    $route_match = $this
      ->getRouteMatch();
    $parent_entity_type = $route_match
      ->getParameter('parent_entity_type');
    $parent_entity_revision = $route_match
      ->getParameter('parent_entity_revision');
    $field_name = $route_match
      ->getParameter('field');
    $delta = $route_match
      ->getParameter('delta');

    // Get the parent revision if available, otherwise the parent.
    $parent_entity_revision = $this
      ->getParentRevisionOrParent($parent_entity_type, $parent_entity_revision);
    $field = $parent_entity_revision
      ->get($field_name);
    $field_definition = $field
      ->getFieldDefinition();
    $field_label = $field_definition
      ->getLabel();
    return $this
      ->t('Are you sure you want to delete #@delta of @field of %label?', [
      '@delta' => $delta,
      '@field' => $field_label,
      '%label' => $parent_entity_revision
        ->label(),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $route_match = $this
      ->getRouteMatch();
    $parent_entity_type = $route_match
      ->getParameter('parent_entity_type');
    $parent_entity_revision = $route_match
      ->getParameter('parent_entity_revision');
    $field_name = $route_match
      ->getParameter('field');
    $delta = $route_match
      ->getParameter('delta');

    // Get the parent revision if available, otherwise the parent.
    $parent_entity_revision = $this
      ->getParentRevisionOrParent($parent_entity_type, $parent_entity_revision);
    $parent_entity_revision
      ->get($field_name)
      ->removeItem($delta);
    $this
      ->saveParentEntityRevision($parent_entity_revision, $this->time, $this
      ->currentUser());

    // Use the parent revision id if available, otherwise the parent id.
    $parent_revision_id = $parent_entity_revision
      ->getRevisionId() ? $parent_entity_revision
      ->getRevisionId() : $parent_entity_revision
      ->id();
    $form_state
      ->setTemporary([
      'parent_entity_revision' => $parent_revision_id,
    ]);
    $form_state
      ->setRedirectUrl($this
      ->getRedirectUrl());
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return $this
      ->getRedirectUrl();
  }

  /**
   * {@inheritdoc}
   */
  protected function getRedirectUrl() {
    $referer = $this
      ->getRequest()->server
      ->get('HTTP_REFERER');
    $path = parse_url($referer, PHP_URL_PATH);
    return Url::fromUserInput($path);
  }

  /**
   * @param $parent_entity_type
   * @param $parent_entity_revision
   *
   * @return \Drupal\Core\Entity\EntityInterface|null
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function getParentRevisionOrParent($parent_entity_type, $parent_entity_revision) {
    $entity_storage = $this->entityTypeManager
      ->getStorage($parent_entity_type);
    if ($this->entityTypeManager
      ->getDefinition($parent_entity_type)
      ->isRevisionable()) {
      return $entity_storage
        ->loadRevision($parent_entity_revision);
    }
    else {
      return $entity_storage
        ->load($parent_entity_revision);
    }
  }

}

Classes

Name	Description
GeysirParagraphDeleteForm	Functionality to delete a paragraph.