LinkClassFormatter.php in Open Social 10.0.x

Namespace

Drupal\social_core\Plugin\Field\FieldFormatter

File

modules/social_features/social_core/src/Plugin/Field/FieldFormatter/LinkClassFormatter.php

<?php

namespace Drupal\social_core\Plugin\Field\FieldFormatter;

use Drupal\Core\Form\FormStateInterface;
use Drupal\link\LinkItemInterface;
use Drupal\link\Plugin\Field\FieldFormatter\LinkFormatter;

/**
 * Plugin implementation of the 'link' formatter.
 *
 * @FieldFormatter(
 *   id = "link_with_class",
 *   label = @Translation("Link with Custom Class"),
 *   field_types = {
 *     "link"
 *   }
 * )
 */
class LinkClassFormatter extends LinkFormatter {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return parent::defaultSettings() + [
      'class' => '',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $elements = parent::settingsForm($form, $form_state);
    $elements['class'] = [
      '#type' => 'textfield',
      '#title' => t('Class on Link'),
      '#default_value' => $this
        ->getSetting('class'),
    ];
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = parent::settingsSummary();
    $settings = $this
      ->getSettings();
    if (!empty($settings['class'])) {
      $summary[] = t('Class(es) on button = "@classes"', [
        '@classes' => $settings['class'],
      ]);
    }
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  protected function buildUrl(LinkItemInterface $item) {
    $url = parent::buildUrl($item);
    $settings = $this
      ->getSettings();
    if (!empty($settings['class'])) {
      $options = $url
        ->getOptions();
      $options['attributes']['class'] = $settings['class'];
      $url
        ->setOptions($options);
    }
    return $url;
  }

}

Classes

Name	Description
LinkClassFormatter	Plugin implementation of the 'link' formatter.