language.install 3.05 KB
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<?php

/**
 * @file
 * Install, update and uninstall functions for the language module.
 */

/**
 * Implements hook_install().
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 *
 * Enable URL language negotiation by default in order to have a basic working
 * system on multilingual sites without needing any preliminary configuration.
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 */
function language_install() {
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  // Add the default language at first so that language_list() returns this in
  // language_special_languages().
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  $default_language = language_save(language_default());
  $languages = language_locked_languages($default_language->weight);
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  foreach ($languages as $language) {
    language_save($language);
  }
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  // Enable URL language detection for each configurable language type.
  require_once DRUPAL_ROOT . '/core/includes/language.inc';
  foreach (language_types_get_configurable(FALSE) as $type) {
    language_negotiation_set($type, array(LANGUAGE_NEGOTIATION_URL => 0));
  }
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}

/**
 * Implements hook_uninstall().
 */
function language_uninstall() {
  // Clear variables.
  variable_del('language_default');
  variable_del('language_count');

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  // Clear variables.
  variable_del('language_types');
  variable_del('language_negotiation_url_part');
  variable_del('language_negotiation_url_prefixes');
  variable_del('language_negotiation_url_domains');
  variable_del('language_negotiation_session_param');
  variable_del('language_content_type_default');
  variable_del('language_content_type_negotiation');

  foreach (language_types_get_all() as $type) {
    variable_del("language_negotiation_$type");
    variable_del("language_negotiation_methods_weight_$type");
  }

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  // Re-initialize the language system so successive calls to t() and other
  // functions will not expect languages to be present.
  drupal_language_initialize();
}

/**
 * Implements hook_schema().
 */
function language_schema() {
  $schema['language'] = array(
    'description' => 'List of all available languages in the system.',
    'fields' => array(
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      'langcode' => array(
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        'type' => 'varchar',
        'length' => 12,
        'not null' => TRUE,
        'default' => '',
        'description' => "Language code, e.g. 'de' or 'en-US'.",
      ),
      'name' => array(
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Language name.',
      ),
      'direction' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Direction of language (Left-to-Right = 0, Right-to-Left = 1).',
      ),
      'weight' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Weight, used in lists of languages.',
      ),
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      'locked' => array(
        'type' => 'int',
        'size' => 'tiny',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'A boolean indicating whether the administrator can edit or delete the language.',
      ),
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    ),
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    'primary key' => array('langcode'),
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    'indexes' => array(
      'list' => array('weight', 'name'),
    ),
  );
  return $schema;
}