country.module in Country 8

Defines simple country field type.

File

country.module

<?php

/**
 * @file
 * Defines simple country field type.
 */
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;

/**
 * Implements hook_help().
 */
function country_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.country':
      $output = '';
      $output .= '<h3>' . t('Country') . '</h3>';
      $output .= '<p>' . t('The Country module defines a simple country field type for the Field module. It provides 2 widgets - select options and autocomplete textfield - for this purpose.  See the <a href=":field">Field module help page</a> for more information about fields.', [
        ':field' => Url::fromRoute('help.page', [
          'name' => 'field',
        ])
          ->toString(),
      ]) . '</p>';
      return $output;
  }
}

/**
 * Implements hook_field_widget_WIDGET_TYPE_form_alter().
 */
function country_field_widget_country_default_form_alter(&$element, FormStateInterface $form_state, $context) {
  $country =& $element['value'];
  $country_code = '';
  if (!empty($country['#default_value'])) {
    return FALSE;
  }
  if (!\Drupal::moduleHandler()
    ->moduleExists('ip2country')) {
    return FALSE;
  }
  if (\Drupal::currentUser()
    ->isAuthenticated()) {
    $uid = \Drupal::currentUser()
      ->id();
    $user_data = \Drupal::service('user.data')
      ->get('ip2country', $uid);
    if (isset($user_data)) {
      $country_code = $user_data['country_iso_code_2'];
    }
  }
  else {
    $ip = \Drupal::request()
      ->getClientIp();
    $country_code = \Drupal::service('ip2country.manager')
      ->getCountry($ip);
  }
  if (in_array($country_code, array_keys($country['#options']))) {
    $country['#default_value'] = $country_code;
  }
}

/**
 * Implements hook_field_widget_info_alter().
 */
function country_field_widget_info_alter(array &$info) {

  // Allow boxes/radio buttons widget to be used for country field.
  $info['options_buttons']['field_types'][] = 'country';
}

/**
 * Implements hook_module_implements_alter().
 */
function country_module_implements_alter(&$implementations, $hook) {
  if ($hook == 'tokens') {
    $group = $implementations['country'];
    unset($implementations['country']);
    $implementations['country'] = $group;
  }
}

Functions

Name	Description
country_field_widget_country_default_form_alter	Implements hook_field_widget_WIDGET_TYPE_form_alter().
country_field_widget_info_alter	Implements hook_field_widget_info_alter().
country_help	Implements hook_help().
country_module_implements_alter	Implements hook_module_implements_alter().