ImageAPIOptimizePipelineDeleteForm.php in Image Optimize (or ImageAPI Optimize) 4.x

Namespace

Drupal\imageapi_optimize\Form

File

src/Form/ImageAPIOptimizePipelineDeleteForm.php

<?php

namespace Drupal\imageapi_optimize\Form;

use Drupal\Core\Entity\EntityDeleteForm;
use Drupal\Core\Form\FormStateInterface;

/**
 * Creates a form to delete an image optimize pipeline.
 */
class ImageAPIOptimizePipelineDeleteForm extends EntityDeleteForm {

  /**
   * Replacement options.
   *
   * @var array
   */
  protected $replacementOptions;

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Optionally select a pipeline before deleting %pipeline', [
      '%pipeline' => $this->entity
        ->label(),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getDescription() {
    if (count($this
      ->getReplacementOptions()) > 1) {
      return $this
        ->t('If this pipeline is in use on the site, you may select another pipeline to replace it. If no replacement pipeline is selected, the dependent configurations might need manual reconfiguration.');
    }
    return $this
      ->t('The dependent configurations might need manual reconfiguration.');
  }

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $replacement_pipelines = $this
      ->getReplacementOptions();

    // If there are non-empty options in the list, allow the user to optionally
    // pick up a replacement.
    if (count($replacement_pipelines) > 1) {
      $form['replacement'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Replacement pipeline'),
        '#options' => $replacement_pipelines,
        '#empty_option' => $this
          ->t('- No replacement -'),
        '#weight' => -5,
      ];
    }
    return parent::form($form, $form_state);
  }

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

    // Save a selected replacement in the image optimize pipeline storage. It will be used
    // later, in the same request, when resolving dependencies.
    if ($replacement = $form_state
      ->getValue('replacement')) {

      /** @var \Drupal\imageapi_optimize\ImageAPIOptimizePipelineStorageInterface $storage */
      $storage = $this->entityTypeManager
        ->getStorage($this->entity
        ->getEntityTypeId());
      $storage
        ->setReplacementId($this->entity
        ->id(), $replacement);
    }
    parent::submitForm($form, $form_state);
  }

  /**
   * Returns a list of image optimize pipeline replacement options.
   *
   * @return array
   *   An option list suitable for the form select '#options'.
   */
  protected function getReplacementOptions() {
    if (!isset($this->replacementOptions)) {
      $this->replacementOptions = array_diff_key(imageapi_optimize_pipeline_options(), [
        $this
          ->getEntity()
          ->id() => '',
      ]);
    }
    return $this->replacementOptions;
  }

}

Classes

Name	Description
ImageAPIOptimizePipelineDeleteForm	Creates a form to delete an image optimize pipeline.