includes/installer/WebInstallerLanguage.php

   1 <?php
   2
   3 /**
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  *
  19  * @file
  20  * @ingroup Installer
  21  */
  22
  23 namespace MediaWiki\Installer;
  24
  25 use MediaWiki\Html\Html;
  26 use MediaWiki\Languages\LanguageNameUtils;
  27 use MediaWiki\MediaWikiServices;
  28 use MediaWiki\Xml\XmlSelect;
  29
  30 class WebInstallerLanguage extends WebInstallerPage {
  31
  32         /**
  33          * @return string|null
  34          */
  35         public function execute() {
  36                 global $wgLang;
  37                 $r = $this->parent->request;
  38                 $userLang = $r->getVal( 'uselang' );
  39                 $contLang = $r->getVal( 'ContLang' );
  40
  41                 $languages = MediaWikiServices::getInstance()
  42                         ->getLanguageNameUtils()
  43                         ->getLanguageNames( LanguageNameUtils::AUTONYMS, LanguageNameUtils::SUPPORTED );
  44                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
  45                 if ( !$lifetime ) {
  46                         $lifetime = 1440; // PHP default
  47                 }
  48
  49                 if ( $r->wasPosted() ) {
  50                         # Do session test
  51                         if ( $this->parent->getSession( 'test' ) === null ) {
  52                                 $requestTime = $r->getIntOrNull( 'LanguageRequestTime' );
  53                                 if ( !$requestTime ) {
  54                                         // The most likely explanation is that the user was knocked back
  55                                         // from another page on POST due to session expiry
  56                                         $msg = 'config-session-expired';
  57                                 } elseif ( time() - $requestTime > $lifetime ) {
  58                                         $msg = 'config-session-expired';
  59                                 } else {
  60                                         $msg = 'config-no-session';
  61                                 }
  62                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
  63                         } else {
  64                                 if ( isset( $languages[$userLang] ) ) {
  65                                         $this->setVar( '_UserLang', $userLang );
  66                                 }
  67                                 if ( isset( $languages[$contLang] ) ) {
  68                                         $this->setVar( 'wgLanguageCode', $contLang );
  69                                 }
  70
  71                                 return 'continue';
  72                         }
  73                 } elseif ( $this->parent->showSessionWarning ) {
  74                         # The user was knocked back from another page to the start
  75                         # This probably indicates a session expiry
  76                         $this->parent->showError( 'config-session-expired',
  77                                 $wgLang->formatTimePeriod( $lifetime ) );
  78                 }
  79
  80                 $this->parent->setSession( 'test', true );
  81
  82                 if ( !isset( $languages[$userLang] ) ) {
  83                         $userLang = $this->getVar( '_UserLang', 'en' );
  84                 }
  85                 if ( !isset( $languages[$contLang] ) ) {
  86                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
  87                 }
  88                 $this->startForm();
  89                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
  90                         $this->getLanguageSelector( 'uselang', 'config-your-language', $userLang,
  91                                 $this->parent->getHelpBox( 'config-your-language-help' ) ) .
  92                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
  93                                 $this->parent->getHelpBox( 'config-wiki-language-help' ) );
  94                 $this->addHTML( $s );
  95                 $this->endForm( 'continue', false );
  96
  97                 return null;
  98         }
  99
 100         /**
 101          * Get a "<select>" for selecting languages.
 102          *
 103          * @param string $name
 104          * @param string $label
 105          * @param string $selectedCode
 106          * @param string $helpHtml
 107          *
 108          * @return string
 109          */
 110         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 111                 $output = $helpHtml;
 112
 113                 $select = new XmlSelect( $name, $name, $selectedCode );
 114                 $select->setAttribute( 'tabindex', $this->parent->nextTabIndex() );
 115                 $select->setAttribute( 'class', 'cdx-select' );
 116
 117                 $languages = MediaWikiServices::getInstance()
 118                         ->getLanguageNameUtils()
 119                         ->getLanguageNames( LanguageNameUtils::AUTONYMS, LanguageNameUtils::SUPPORTED );
 120                 foreach ( $languages as $code => $lang ) {
 121                         $select->addOption( "$code - $lang", $code );
 122                 }
 123
 124                 $output .= $select->getHTML();
 125                 return $this->parent->label( $label, $name, $output );
 126         }
 127
 128 }