BlockContentForm.php in Drupal 8

Namespace

Drupal\block_content

File

core/modules/block_content/src/BlockContentForm.php

<?php

namespace Drupal\block_content;

use Drupal\Component\Utility\Html;
use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Form\FormStateInterface;

/**
 * Form handler for the custom block edit forms.
 *
 * @internal
 */
class BlockContentForm extends ContentEntityForm {

  /**
   * The block content entity.
   *
   * @var \Drupal\block_content\BlockContentInterface
   */
  protected $entity;

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $block = $this->entity;
    $form = parent::form($form, $form_state);
    if ($this->operation == 'edit') {
      $form['#title'] = $this
        ->t('Edit custom block %label', [
        '%label' => $block
          ->label(),
      ]);
    }

    // Override the default CSS class name, since the user-defined custom block
    // type name in 'TYPE-block-form' potentially clashes with third-party class
    // names.
    $form['#attributes']['class'][0] = 'block-' . Html::getClass($block
      ->bundle()) . '-form';
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $block = $this->entity;
    $insert = $block
      ->isNew();
    $block
      ->save();
    $context = [
      '@type' => $block
        ->bundle(),
      '%info' => $block
        ->label(),
    ];
    $logger = $this
      ->logger('block_content');
    $block_type = $this
      ->getBundleEntity();
    $t_args = [
      '@type' => $block_type
        ->label(),
      '%info' => $block
        ->label(),
    ];
    if ($insert) {
      $logger
        ->notice('@type: added %info.', $context);
      $this
        ->messenger()
        ->addStatus($this
        ->t('@type %info has been created.', $t_args));
    }
    else {
      $logger
        ->notice('@type: updated %info.', $context);
      $this
        ->messenger()
        ->addStatus($this
        ->t('@type %info has been updated.', $t_args));
    }
    if ($block
      ->id()) {
      $form_state
        ->setValue('id', $block
        ->id());
      $form_state
        ->set('id', $block
        ->id());
      if ($insert) {
        if (!($theme = $block
          ->getTheme())) {
          $theme = $this
            ->config('system.theme')
            ->get('default');
        }
        $form_state
          ->setRedirect('block.admin_add', [
          'plugin_id' => 'block_content:' . $block
            ->uuid(),
          'theme' => $theme,
        ]);
      }
      else {
        $form_state
          ->setRedirectUrl($block
          ->toUrl('collection'));
      }
    }
    else {

      // In the unlikely case something went wrong on save, the block will be
      // rebuilt and block form redisplayed.
      $this
        ->messenger()
        ->addError($this
        ->t('The block could not be saved.'));
      $form_state
        ->setRebuild();
    }
  }

}

Classes

Name	Description
BlockContentForm	Form handler for the custom block edit forms.