gallery3/core/helpers/locale.php

<?php defined("SYSPATH") or die("No direct script access.");
/**
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2008 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */

/**
 * This is the API for handling locales.
 */
class locale_Core {
  private static $locales;

  /**
   * Return the list of available locales.
   */
  static function available() {
    if (empty(self::$locales)) {
      self::_init_language_data();
    }

    return self::$locales;
  }

  static function installed() {
    $available = self::available();
    $default = module::get_var("core", "default_locale");
    $codes = explode("|", module::get_var("core", "installed_locales", $default));
    foreach ($codes as $code) {
      if (isset($available->$code)) {
        $installed->$code = $available->$code;
      }
    }
    return $installed;
  }

  static function update_installed($locales) {
    // Ensure that the default is included...
    $default = module::get_var("core", "default_locale");
    $locales = array_merge($locales, array($default));

    module::set_var('core', 'installed_locales', join("|", $locales));
  }
  
  // TODO(andy_st): Might want to add a localizable language name as well.
  private static function _init_language_data() {
    $l->af_ZA = 'Afrikaans';                            // Afrikaans
    $l->ar_SA = '&#1575;&#1604;&#1593;&#1585;&#1576;&#1610;&#1577;'; // Arabic
    $l->bg_BG = '&#x0411;&#x044a;&#x043b;&#x0433;&#x0430;&#x0440;&#x0441;&#x043a;&#x0438;'; // Bulgarian
    $l->ca_ES = 'Catalan';                              // Catalan
    $l->cs_CZ = '&#x010c;esky';                         // Czech
    $l->da_DK = 'Dansk';                                // Danish
    $l->de_DE = 'Deutsch';                              // German
    $l->el_GR = 'Greek';                                // Greek
    $l->en_GB = 'English (UK)';                         // English (UK)
    $l->en_US = 'English (US)';                         // English (US)
    $l->es_AR = 'Espa&#241;ol (AR)';                    // Spanish (AR)
    $l->es_ES = 'Espa&#241;ol';                         // Spanish (ES)
    $l->es_MX = 'Espa&#241;ol (MX)';                    // Spanish (MX)
    $l->et_EE = 'Eesti';                                // Estonian
    $l->eu_ES = 'Euskara';                              // Basque
    $l->fa_IR = '&#1601;&#1575;&#1585;&#1587;&#1610;';  // Farsi
    $l->fi_FI = 'Suomi';                                // Finnish
    $l->fr_FR = 'Fran&#231;ais';                        // French
    $l->ga_IE = 'Gaeilge';                              // Irish
    $l->he_IL = '&#1506;&#1489;&#1512;&#1497;&#1514;';  // Hebrew
    $l->hu_HU = 'Magyar';                               // Hungarian
    $l->is_IS = 'Icelandic';                            // Icelandic
    $l->it_IT = 'Italiano';                             // Italian
    $l->ja_JP = '&#x65e5;&#x672c;&#x8a9e;';             // Japanese
    $l->ko_KR = '&#xd55c;&#xad6d;&#xb9d0;';             // Korean
    $l->lt_LT = 'Lietuvi&#371;';                        // Lithuanian
    $l->lv_LV = 'Latvie&#353;u';                        // Latvian
    $l->nl_NL = 'Nederlands';                           // Dutch
    $l->no_NO = 'Norsk bokm&#229;l';                    // Norwegian
    $l->pl_PL = 'Polski';                               // Polish
    $l->pt_BR = 'Portugu&#234;s Brasileiro';            // Portuguese (BR)
    $l->pt_PT = 'Portugu&#234;s';                       // Portuguese (PT)
    $l->ro_RO = 'Rom&#226;n&#259;';                     // Romanian
    $l->ru_RU = '&#1056;&#1091;&#1089;&#1089;&#1082;&#1080;&#1081;'; // Russian
    $l->sk_SK = 'Sloven&#269;ina';                      // Slovak
    $l->sl_SI = 'Sloven&#353;&#269;ina';                // Slovenian
    $l->sr_CS = 'Srpski';                               // Serbian
    $l->sv_SE = 'Svenska';                              // Swedish
    $l->tr_TR = 'T&#252;rk&#231;e';                     // Turkish
    $l->uk_UA = 'Українська';     // Ukrainian
    $l->vi_VN = 'Ti&#7871;ng Vi&#7879;t';               // Vietnamese
    $l->zh_CN = '&#31616;&#20307;&#20013;&#25991;';     // Chinese (CN)
    $l->zh_TW = '&#32321;&#39636;&#20013;&#25991;';     // Chinese (TW)
    asort($l, SORT_LOCALE_STRING);
    self::$locales = $l;
  }

  static function display_name($locale=null) {
    if (empty(self::$locales)) {
      self::_init_language_data();
    }
    $locale or $locale = I18n::instance()->locale();

    return self::$locales->$locale;
  }

  static function is_rtl($locale) {
    return in_array($locale, array("he_IL", "fa_IR", "ar_SA"));
  }
}