trait SchemaContactPointTrait in Schema.org Metatag 8

trait SchemaContactPointTrait {
  use SchemaPivotTrait, SchemaPlaceTrait {
    SchemaPivotTrait::pivotForm insteadof SchemaPlaceTrait;
  }

  /**
   * Return the SchemaMetatagManager.
   *
   * @return \Drupal\schema_metatag\SchemaMetatagManager
   *   The Schema Metatag Manager service.
   */
  protected abstract function schemaMetatagManager();

  /**
   * Form element.
   *
   * @param array $input_values
   *   Array of default values.
   *
   * @return array
   *   A form element.
   */
  public function contactPointForm(array $input_values) {
    $input_values += $this
      ->schemaMetatagManager()
      ->defaultInputValues();
    $value = $input_values['value'];

    // Get the id for the nested @type element.
    $visibility_selector = $input_values['visibility_selector'];
    $selector = ':input[name="' . $visibility_selector . '[@type]"]';
    $visibility = [
      'invisible' => [
        $selector => [
          'value' => '',
        ],
      ],
    ];
    $selector2 = $this
      ->schemaMetatagManager()
      ->altSelector($selector);
    $visibility2 = [
      'invisible' => [
        $selector2 => [
          'value' => '',
        ],
      ],
    ];
    $visibility['invisible'] = [
      $visibility['invisible'],
      $visibility2['invisible'],
    ];
    $form['#type'] = 'fieldset';
    $form['#title'] = $input_values['title'];
    $form['#description'] = $input_values['description'];
    $form['#tree'] = TRUE;

    // Add a pivot option to the form.
    $form['pivot'] = $this
      ->pivotForm($value);
    $form['pivot']['#states'] = $visibility;
    $form['@type'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('@type'),
      '#default_value' => !empty($value['@type']) ? $value['@type'] : '',
      '#empty_option' => t('- None -'),
      '#empty_value' => '',
      '#options' => [
        'ContactPoint' => $this
          ->t('ContactPoint'),
      ],
      '#required' => $input_values['#required'],
      '#weight' => -10,
    ];
    $form['telephone'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('telephone'),
      '#default_value' => !empty($value['telephone']) ? $value['telephone'] : '',
      '#maxlength' => 255,
      '#required' => $input_values['#required'],
      '#description' => $this
        ->t('An internationalized version of the phone number, starting with the "+" symbol and country code (+1 in the US and Canada). Examples: "+1-800-555-1212", "+44-2078225951"'),
      '#states' => $visibility,
    ];
    $form['url'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('url'),
      '#default_value' => !empty($value['url']) ? $value['url'] : '',
      '#maxlength' => 255,
      '#required' => $input_values['#required'],
      '#description' => $this
        ->t('URL of place, organization'),
      '#states' => $visibility,
    ];
    $form['availableLanguage'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('availableLanguage'),
      '#default_value' => !empty($value['availableLanguage']) ? $value['availableLanguage'] : '',
      '#maxlength' => 255,
      '#required' => $input_values['#required'],
      '#description' => $this
        ->t('Details about the language spoken. Languages may be specified by their common English name. If omitted, the language defaults to English. Examples: "English, Spanish".'),
      '#states' => $visibility,
    ];
    $form['contactType'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('contactType'),
      '#default_value' => !empty($value['contactType']) ? $value['contactType'] : '',
      '#maxlength' => 255,
      '#required' => $input_values['#required'],
      '#description' => $this
        ->t('One of the following: customer service, technical support, billing support, bill payment, sales, reservations, credit card support, emergency, baggage tracking, roadside assistance, package tracking.'),
      '#states' => $visibility,
    ];
    $form['contactOption'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('contactOption'),
      '#default_value' => !empty($value['contactOption']) ? $value['contactOption'] : '',
      '#maxlength' => 255,
      '#required' => $input_values['#required'],
      '#description' => $this
        ->t('One of the following: HearingImpairedSupported, TollFree.'),
      '#states' => $visibility,
    ];
    $form['email'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('email'),
      '#default_value' => !empty($value['email']) ? $value['email'] : '',
      '#maxlength' => 255,
      '#required' => $input_values['#required'],
      '#description' => $this
        ->t('Email address.'),
      '#states' => $visibility,
    ];
    $form['faxnumber'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('faxnumber'),
      '#default_value' => !empty($value['faxnumber']) ? $value['faxnumber'] : '',
      '#maxlength' => 255,
      '#required' => $input_values['#required'],
      '#description' => $this
        ->t('The fax number.'),
      '#states' => $visibility,
    ];
    $form['productSupported'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('productSupported'),
      '#default_value' => !empty($value['productSupported']) ? $value['productSupported'] : '',
      '#maxlength' => 255,
      '#required' => $input_values['#required'],
      '#description' => $this
        ->t('The product or service this support contact point is related to (such as product support for a particular product line). This can be a specific product or product line (e.g. "iPhone") or a general category of products or services (e.g. "smartphones").'),
      '#states' => $visibility,
    ];
    $input_values = [
      'title' => $this
        ->t('areaServed'),
      'description' => 'The geographical region served by the number, specified as a AdministrativeArea. If omitted, the number is assumed to be global.',
      'value' => !empty($value['areaServed']) ? $value['areaServed'] : [],
      '#required' => $input_values['#required'],
      'visibility_selector' => $visibility_selector . '[areaServed]',
    ];
    $form['areaServed'] = $this
      ->placeForm($input_values);
    $form['areaServed']['#states'] = $visibility;
    return $form;
  }

}