AddToCartFormatter.php in Basic cart 8.0

Namespace

Drupal\basic_cart\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/AddToCartFormatter.php

<?php

namespace Drupal\basic_cart\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FormatterBase;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Url;
use Drupal\Core\Link;

/**
 * Plugin implementation of the 'addtocart' formatter.
 *
 * @FieldFormatter(
 *   id = "addtocart",
 *   module = "basic_cart",
 *   label = @Translation("Add to cart"),
 *   field_types = {
 *     "addtocart"
 *   }
 * )
 */
class AddtoCartFormatter extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $entity = $items
      ->getEntity();
    $config = \Drupal::config('basic_cart.settings');
    $elements = array();
    $option = [
      'query' => [
        'entitytype' => $entity
          ->getEntityTypeId(),
        'quantity' => '',
      ],
      'absolute' => TRUE,
    ];
    if (trim($config
      ->get('add_to_cart_redirect')) != "<none>" && trim($config
      ->get('add_to_cart_redirect')) != "") {
      $url = Url::fromRoute('basic_cart.cartadddirect', [
        "nid" => $entity
          ->id(),
      ], $option);
      $link = '<a id="forquantitydynamictext_' . $entity
        ->id() . '" class="basic_cart-get-quantity button" href="' . $url
        ->toString() . '">' . $this
        ->t($config
        ->get('add_to_cart_button')) . '</a>';
    }
    else {
      $url = Url::fromRoute('basic_cart.cartadd', [
        "nid" => $entity
          ->id(),
      ], $option);
      $link = '<a id="forquantitydynamictext_' . $entity
        ->id() . '" class="basic_cart-get-quantity button use-basic_cart-ajax" href="' . $url
        ->toString() . '">' . $this
        ->t($config
        ->get('add_to_cart_button')) . '</a>';
    }
    $link_options = [
      'attributes' => [
        'class' => [
          'basic_cart-get-quantity',
          'use-basic_cart-ajax',
          'button',
        ],
      ],
    ];
    $url
      ->setOptions($link_options);

    //$link = new Link($this->t($config->get('add_to_cart_button')),$url);
    foreach ($items as $delta => $item) {
      $elements[$delta] = [
        '#type' => 'container',
        '#attributes' => [
          'class' => 'ajax-addtocart-wrapper',
          'id' => 'ajax-addtocart-message-' . $entity
            ->id(),
        ],
        '#prefix' => '<div class="addtocart-wrapper-container"><div class="addtocart-link-class">' . $link . "</div>",
        '#suffix' => '</div>',
      ];
    }
    $elements['#attached']['library'][] = 'core/drupal.ajax';
    return $elements;
  }

}

Classes

Name	Description
AddtoCartFormatter	Plugin implementation of the 'addtocart' formatter.