pages/admin/AdminLanguagesHandler.inc.php

   1 <?php
   2
   3 /**
   4  * @file pages/admin/AdminLanguagesHandler.inc.php
   5  *
   6  * Copyright (c) 2003-2008 John Willinsky
   7  * Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
   8  *
   9  * @class AdminLanguagesHandler
  10  * @ingroup pages_admin
  11  *
  12  * @brief Handle requests for changing site language settings.
  13  */
  14
  15 // $Id: AdminLanguagesHandler.inc.php,v 1.8 2009/09/22 19:22:10 asmecher Exp $
  16
  17 import('pages.admin.AdminHandler');
  18
  19 class AdminLanguagesHandler extends AdminHandler {
  20         /**
  21          * Constructor
  22          */
  23         function AdminLanguagesHandler() {
  24                 parent::AdminHandler();
  25         }
  26
  27         /**
  28          * Display form to modify site language settings.
  29          */
  30         function languages() {
  31                 $this->validate();
  32                 $this->setupTemplate(true);
  33
  34                 $site =& Request::getSite();
  35
  36                 $templateMgr =& TemplateManager::getManager();
  37                 $templateMgr->assign('localeNames', Locale::getAllLocales());
  38                 $templateMgr->assign('primaryLocale', $site->getPrimaryLocale());
  39                 $templateMgr->assign('supportedLocales', $site->getSupportedLocales());
  40                 $localesComplete = array();
  41                 foreach (Locale::getAllLocales() as $key => $name) {
  42                         $localesComplete[$key] = Locale::isLocaleComplete($key);
  43                 }
  44                 $templateMgr->assign('localesComplete', $localesComplete);
  45
  46                 $templateMgr->assign('installedLocales', $site->getInstalledLocales());
  47                 $templateMgr->assign('uninstalledLocales', array_diff(array_keys(Locale::getAllLocales()), $site->getInstalledLocales()));
  48                 $templateMgr->assign('helpTopicId', 'site.siteManagement');
  49
  50                 import('i18n.LanguageAction');
  51                 $languageAction = new LanguageAction();
  52                 if ($languageAction->isDownloadAvailable()) {
  53                         $templateMgr->assign('downloadAvailable', true);
  54                         $templateMgr->assign('downloadableLocales', $languageAction->getDownloadableLocales());
  55                 }
  56
  57                 $templateMgr->display('admin/languages.tpl');
  58         }
  59
  60         /**
  61          * Update language settings.
  62          */
  63         function saveLanguageSettings() {
  64                 $this->validate();
  65                 $this->setupTemplate(true);
  66
  67                 $site =& Request::getSite();
  68
  69                 $primaryLocale = Request::getUserVar('primaryLocale');
  70                 $supportedLocales = Request::getUserVar('supportedLocales');
  71
  72                 if (Locale::isLocaleValid($primaryLocale)) {
  73                         $site->setPrimaryLocale($primaryLocale);
  74                 }
  75
  76                 $newSupportedLocales = array();
  77                 if (isset($supportedLocales) && is_array($supportedLocales)) {
  78                         foreach ($supportedLocales as $locale) {
  79                                 if (Locale::isLocaleValid($locale)) {
  80                                         array_push($newSupportedLocales, $locale);
  81                                 }
  82                         }
  83                 }
  84                 if (!in_array($primaryLocale, $newSupportedLocales)) {
  85                         array_push($newSupportedLocales, $primaryLocale);
  86                 }
  87                 $site->setSupportedLocales($newSupportedLocales);
  88
  89                 $siteDao =& DAORegistry::getDAO('SiteDAO');
  90                 $siteDao->updateObject($site);
  91
  92                 AdminLanguagesHandler::removeLocalesFromPresses();
  93
  94                 $templateMgr =& TemplateManager::getManager();
  95                 $templateMgr->assign(array(
  96                         'currentUrl' => Request::url(null, null, 'languages'),
  97                         'pageTitle' => 'common.languages',
  98                         'message' => 'common.changesSaved',
  99                         'backLink' => Request::url(null, 'admin'),
 100                         'backLinkLabel' => 'admin.siteAdmin'
 101                 ));
 102                 $templateMgr->display('common/message.tpl');
 103         }
 104
 105         /**
 106          * Install a new locale.
 107          */
 108         function installLocale() {
 109                 $this->validate();
 110
 111                 $site =& Request::getSite();
 112                 $installLocale = Request::getUserVar('installLocale');
 113
 114                 if (isset($installLocale) && is_array($installLocale)) {
 115                         $installedLocales = $site->getInstalledLocales();
 116
 117                         foreach ($installLocale as $locale) {
 118                                 if (Locale::isLocaleValid($locale) && !in_array($locale, $installedLocales)) {
 119                                         array_push($installedLocales, $locale);
 120                                         Locale::installLocale($locale);
 121                                 }
 122                         }
 123
 124                         $site->setInstalledLocales($installedLocales);
 125                         $siteDao =& DAORegistry::getDAO('SiteDAO');
 126                         $siteDao->updateObject($site);
 127                 }
 128
 129                 Request::redirect(null, null, 'languages');
 130         }
 131
 132         /**
 133          * Uninstall a locale
 134          */
 135         function uninstallLocale() {
 136                 $this->validate();
 137
 138                 $site =& Request::getSite();
 139                 $locale = Request::getUserVar('locale');
 140
 141                 if (isset($locale) && !empty($locale) && $locale != $site->getPrimaryLocale()) {
 142                         $installedLocales = $site->getInstalledLocales();
 143
 144                         if (in_array($locale, $installedLocales)) {
 145                                 $installedLocales = array_diff($installedLocales, array($locale));
 146                                 $site->setInstalledLocales($installedLocales);
 147                                 $supportedLocales = $site->getSupportedLocales();
 148                                 $supportedLocales = array_diff($supportedLocales, array($locale));
 149                                 $site->setSupportedLocales($supportedLocales);
 150                                 $siteDao =& DAORegistry::getDAO('SiteDAO');
 151                                 $siteDao->updateObject($site);
 152
 153                                 AdminLanguagesHandler::removeLocalesFromPresses();
 154                                 Locale::uninstallLocale($locale);
 155                         }
 156                 }
 157
 158                 Request::redirect(null, null, 'languages');
 159         }
 160
 161         /**
 162          * Reload data for an installed locale.
 163          */
 164         function reloadLocale() {
 165                 $this->validate();
 166
 167                 $site =& Request::getSite();
 168                 $locale = Request::getUserVar('locale');
 169
 170                 if (in_array($locale, $site->getInstalledLocales())) {
 171                         Locale::reloadLocale($locale);
 172                 }
 173
 174                 Request::redirect(null, null, 'languages');
 175         }
 176
 177         /**
 178          * Helper function to remove unsupported locales from presses.
 179          */
 180         function removeLocalesFromPresses() {
 181                 $site =& Request::getSite();
 182                 $siteSupportedLocales = $site->getSupportedLocales();
 183
 184                 $pressDao =& DAORegistry::getDAO('PressDAO');
 185                 $settingsDao =& DAORegistry::getDAO('PressSettingsDAO');
 186                 $presses =& $pressDao->getPresses();
 187                 $presses =& $presses->toArray();
 188                 foreach ($presses as $press) {
 189                         $primaryLocale = $press->getPrimaryLocale();
 190                         $supportedLocales = $press->getSetting('supportedLocales');
 191
 192                         if (isset($primaryLocale) && !in_array($primaryLocale, $siteSupportedLocales)) {
 193                                 $press->setPrimaryLocale($site->getPrimaryLocale());
 194                                 $pressDao->updatePress($press);
 195                         }
 196
 197                         if (is_array($supportedLocales)) {
 198                                 $supportedLocales = array_intersect($supportedLocales, $siteSupportedLocales);
 199                                 $settingsDao->updateSetting($press->getId(), 'supportedLocales', $supportedLocales, 'object');
 200                         }
 201                 }
 202         }
 203
 204         /**
 205          * Download a locale from the PKP web site.
 206          */
 207         function downloadLocale() {
 208                 $this->validate();
 209                 $locale = Request::getUserVar('locale');
 210
 211                 import('i18n.LanguageAction');
 212                 $languageAction = new LanguageAction();
 213
 214                 if (!$languageAction->isDownloadAvailable()) Request::redirect(null, null, 'languages');
 215
 216                 if (!preg_match('/^[a-z]{2}_[A-Z]{2}$/', $locale)) {
 217                         Request::redirect(null, null, 'languages');
 218                 }
 219
 220                 $templateMgr =& TemplateManager::getManager();
 221
 222                 $errors = array();
 223                 if (!$languageAction->downloadLocale($locale, $errors)) {
 224                         $templateMgr->assign('errors', $errors);
 225                         $templateMgr->display('admin/languageDownloadErrors.tpl');
 226                         return;
 227                 }
 228                 $templateMgr->assign('messageTranslated', Locale::translate('admin.languages.localeInstalled', array('locale' => $locale)));
 229                 $templateMgr->assign('backLink', Request::url(null, null, 'languages'));
 230                 $templateMgr->assign('backLinkLabel', 'admin.languages.languageSettings');
 231                 $templateMgr->display('common/message.tpl');
 232         }
 233 }
 234
 235 ?>