translation.install

<?php
/**
 * @file
 * Install, update and uninstall functions for the Translation module.
 */

/**
 * Implements hook_update_dependencies().
 */
function translation_update_dependencies() {
  // Do not fix language fields until after Views are converted to config.
  $dependencies['translation'][1001] = array(
    'views' => 1001,
  );
  return $dependencies;
}

/**
 * @addtogroup updates-7.x-to-1.x
 * @{
 */

/**
 * Convert translation settings to config.
 */
function translation_update_1000() {
  // Create the new config file.
  $config = config('translation.settings');
  $config->set('language_type', update_variable_get('translation_language_type', 'language'));
  $config->save();

  update_variable_del('translation_language_type');
}

/**
 * Fix Views which still have the Drupal 7 version of the language field and
 * filter. Change from "language" to "langcode".
 */
function translation_update_1001() {
  $configs = config_get_names_with_prefix('views.view.');

  foreach ($configs as $config_file) {
    $config = config($config_file);
    $displays = $config->get('display');
    foreach ($displays as $display => $display_details) {
      if (isset($display_details['display_options']['filters'])) {
        foreach ($display_details['display_options']['filters'] as $key => $filter) {
          if ($filter['id'] == 'language') {
            $config->set('display.' . $display . '.display_options.filters.' . $key . '.field', 'langcode');
          }
        }
      }
      if (isset($display_details['display_options']['fields'])) {
        foreach ($display_details['display_options']['fields'] as $key => $field) {
          if ($field['id'] == 'language') {
            $config->set('display.' . $display . '.display_options.fields.' . $key . '.field', 'langcode');
          }
        }
      }
    }
    $config->save();
  }
}

/**
 * Add "Show content translation links" setting to each content type.
 */
function translation_update_1002() {
  $types = config_get_names_with_prefix('node.type.');
  foreach ($types as $config_name) {
    $config = config($config_name);
    if ($config->get('settings.translation_show_links') === NULL) {
      $config->set('settings.translation_show_links', TRUE);
      $config->save();
    }
  }
}

/**
 * @} End of "addtogroup updates-7.x-to-1.x"
 * The next series of updates should start at 2000.
 */