Formatter.php in Select (or other) 8.3

Contains \Drupal\select_or_other\Plugin\Field\FieldFormatter\Formatter.

Namespace

Drupal\select_or_other\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/Formatter.php

<?php

/**
 * @file
 * Contains \Drupal\select_or_other\Plugin\Field\FieldFormatter\Formatter.
 */
namespace Drupal\select_or_other\Plugin\Field\FieldFormatter;

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

/**
 * Plugin implementation of the 'select_or_other' formatter.
 *
 * @FieldFormatter(
 *   id = "select_or_other_formatter",
 *   label = @Translation("Select or other"),
 *   field_types = {
 *     "string",
 *   }
 * )
 */
class Formatter extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $element = [];
    $field_options = $this
      ->getFieldOptions();
    foreach ($items as $delta => $item) {
      if (array_key_exists($item['value'], $field_options)) {
        $element[$delta] = array(
          '#markup' => $field_options[$item['value']],
        );
      }
      else {
        $element[$delta] = array(
          '#markup' => $item['value'],
        );
      }
    }
    return $element;
  }

  /**
   * Retrieves an array of options available for this field.
   *
   * @return array
   *   A Key -> Value array of available options.
   */
  protected function getFieldOptions() {
    $field_options = [];
    if ($this
      ->getSetting('available_options')) {
      $field_options = explode("\n", $this
        ->getSetting('available_options'));
      $pos = strpos($this
        ->getSetting('available_options'), '|');
      if ($pos !== FALSE) {
        $temp_options = [];

        // There are keys.
        foreach ($field_options as $field_item) {
          $exploded = explode('|', $field_item);
          $temp_options[$exploded[0]] = $exploded[1];
        }
        $field_options = $temp_options;
      }
    }
    return $field_options;
  }

}

Classes

Name	Description
Formatter	Plugin implementation of the 'select_or_other' formatter.