<?php

namespace Drupal\dds_content\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\link\Plugin\Field\FieldFormatter\LinkSeparateFormatter;

/**
 * Plugin implementation of the 'dds_button' formatter.
 *
 * @FieldFormatter(
 *   id = "dds_button",
 *   label = @Translation("DDS Button"),
 *   field_types = {
 *     "dds_button"
 *   }
 * )
 */
class DDSButtonFormatter extends LinkSeparateFormatter {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {

    $elements = parent::viewElements($items, $langcode);
    $values = $items->getValue();

    foreach ($elements as $delta => $entity) {
      $elements[$delta]['#theme'] = 'dds_button';
      $elements[$delta]['#target_blank'] = $values[$delta]['target_blank'] == 1;
      $elements[$delta]['#button_style'] = $values[$delta]['button_style'];
    }

    return $elements;

  }

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    return [];
  }


}