GeysirCutPasteController.php in Geysir 8

Namespace

Drupal\geysir\Controller

File

src/Controller/GeysirCutPasteController.php

<?php

namespace Drupal\geysir\Controller;

use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\ReplaceCommand;
use Drupal\geysir\Ajax\GeysirReattachBehaviors;

/**
 * Controller for cut & paste functionality.
 */
class GeysirCutPasteController extends GeysirControllerBase {

  /**
   * Cut a paragraph entity.
   */
  public function cut($parent_entity_type, $parent_entity_bundle, $parent_entity_revision, $field, $field_wrapper_id, $delta, $paragraph_to_cut, $paragraph_revision, $js = 'nojs') {
    if ($js == 'ajax') {

      // 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)
        ->removeItem($delta);
      $response = new AjaxResponse();
      $response
        ->addCommand(new ReplaceCommand(sprintf('[data-geysir-field-paragraph-field-wrapper="%s"]', $field_wrapper_id), $parent_entity_revision
        ->get($field)
        ->view('default')));
      return $response;
    }
    return $this
      ->t('Javascript is required for this functionality to work properly.');
  }

  /**
   * Paste a paragraph entity before/after another paragraph on the given delta.
   */
  public function paste($parent_entity_type, $parent_entity_bundle, $parent_entity_revision, $field, $field_wrapper_id, $delta, $position, $paragraph_to_paste, $paragraph_revision, $js = 'nojs') {
    if ($js == 'ajax') {

      // Get the parent revision if available, otherwise the parent.
      $parent_entity_revision = $this
        ->getParentRevisionOrParent($parent_entity_type, $parent_entity_revision);
      $list_items = $parent_entity_revision
        ->get($field)
        ->getIterator();
      for ($index = $parent_entity_revision
        ->get($field)
        ->count() - 1; $index >= 0; $index--) {
        $parent_entity_revision
          ->get($field)
          ->removeItem($index);
      }
      foreach ($list_items as $item_delta => $item) {
        $item_value = $item
          ->getValue();

        // Prevent the "paragraph to paste" being added again.
        $prevent_adding_twice = $paragraph_to_paste
          ->id() !== $item_value['target_id'] ? true : false;
        if ($item_delta == $delta) {
          $paste_value = [
            'target_id' => $paragraph_to_paste
              ->id(),
            'target_revision_id' => $paragraph_to_paste
              ->getRevisionId(),
          ];
          if ($position == 'before') {
            $parent_entity_revision
              ->get($field)
              ->appendItem($paste_value);
            if ($prevent_adding_twice) {
              $parent_entity_revision
                ->get($field)
                ->appendItem($item_value);
            }
          }
          else {
            if ($prevent_adding_twice) {
              $parent_entity_revision
                ->get($field)
                ->appendItem($item_value);
            }
            $parent_entity_revision
              ->get($field)
              ->appendItem($paste_value);
          }
        }
        else {
          if ($prevent_adding_twice) {
            $parent_entity_revision
              ->get($field)
              ->appendItem($item_value);
          }
        }
      }
      $parent_entity_revision
        ->save();
      $response = new AjaxResponse();
      $response
        ->addCommand(new ReplaceCommand(sprintf('[data-geysir-field-paragraph-field-wrapper="%s"]', $field_wrapper_id), $parent_entity_revision
        ->get($field)
        ->view('default')));
      $response
        ->addCommand(new GeysirReattachBehaviors());
      return $response;
    }
    return $this
      ->t('Javascript is required for this functionality to work properly.');
  }

}

Classes

Name	Description
GeysirCutPasteController	Controller for cut & paste functionality.