FlagForListDeleteForm.php in Flag Lists 8

Namespace

Drupal\flag_lists\Form

File

src/Form/FlagForListDeleteForm.php

<?php

namespace Drupal\flag_lists\Form;

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

/**
 * Builds the form to delete Flag for list entities.
 */
class FlagForListDeleteForm extends EntityConfirmFormBase {

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {

    // Check if this Flag For List is in use.
    $flagListService = \Drupal::service('flaglists');
    $flaggingCollections = $flagListService
      ->getAllFlaggingCollections();
    $output = [];
    foreach ($flaggingCollections as $flag) {
      if ($flag
        ->getBaseFlag()
        ->id() == $this->entity
        ->id()) {
        $output[] = $flag
          ->getName();
      }
    }

    // If we are using this Flag For List let the user know.
    if (!empty($output)) {
      $form['active_items'] = [
        '#theme' => 'item_list',
        '#list_type' => 'ul',
        '#items' => $output,
        '#title' => $this
          ->t('Please remove the following Flagging Collections before proceding:'),
        '#empty' => $this
          ->t('No Flag List Items found'),
      ];
    }
    $form = parent::buildForm($form, $form_state);
    if (!empty($output)) {

      // Unset the options for submitting the form.
      unset($form['actions']['submit']);
      unset($form['description']);
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Are you sure you want to delete %name and the corresponding Flag?', [
      '%name' => $this->entity
        ->label(),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('entity.flag_for_list.collection');
  }

  /**
   * {@inheritdoc}
   */
  public function getConfirmText() {
    return $this
      ->t('Delete');
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->entity
      ->delete();
    $this
      ->messenger()
      ->addMessage($this
      ->t('content @type: deleted @label.', [
      '@type' => $this->entity
        ->bundle(),
      '@label' => $this->entity
        ->label(),
    ]));
    $form_state
      ->setRedirectUrl($this
      ->getCancelUrl());
  }

}

Classes

Name	Description
FlagForListDeleteForm	Builds the form to delete Flag for list entities.