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<?php
/**
* Implements Special:PageLanguage
*
* 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.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup SpecialPage
* @author Kunal Grover
* @since 1.24
*/
/**
* Special page for changing the content language of a page
*
* @ingroup SpecialPage
*/
class SpecialPageLanguage extends FormSpecialPage {
/**
* @var string URL to go to if language change successful
*/
private $goToUrl;
public function __construct() {
parent::__construct( 'PageLanguage', 'pagelang' );
}
protected function preText() {
$this->getOutput()->addModules( 'mediawiki.special.pageLanguage' );
}
protected function getFormFields() {
// Get default from the subpage of Special page
$defaultName = $this->par;
$page = array();
$page['pagename'] = array(
'type' => 'text',
'label-message' => 'pagelang-name',
'default' => $defaultName,
);
// Options for whether to use the default language or select language
$selectoptions = array(
(string)$this->msg( 'pagelang-use-default' )->escaped() => 1,
(string)$this->msg( 'pagelang-select-lang' )->escaped() => 2,
);
$page['selectoptions'] = array(
'id' => 'mw-pl-options',
'type' => 'radio',
'options' => $selectoptions,
'default' => 1
);
// Building a language selector
$userLang = $this->getLanguage()->getCode();
$languages = Language::fetchLanguageNames( $userLang, 'mwfile' );
ksort( $languages );
$options = array();
foreach ( $languages as $code => $name ) {
$options["$code - $name"] = $code;
}
$page['language'] = array(
'id' => 'mw-pl-languageselector',
'cssclass' => 'mw-languageselector',
'type' => 'select',
'options' => $options,
'label-message' => 'pagelang-language',
'default' => $this->getConfig()->get( 'LanguageCode' ),
);
return $page;
}
protected function postText() {
return $this->showLogFragment( $this->par );
}
protected function getDisplayFormat() {
return 'vform';
}
public function alterForm( HTMLForm $form ) {
Hooks::run( 'LanguageSelector', array( $this->getOutput(), 'mw-languageselector' ) );
}
/**
*
* @param array $data
* @return bool
*/
public function onSubmit( array $data ) {
$title = Title::newFromText( $data['pagename'] );
// Check if title is valid
if ( !$title ) {
return false;
}
// Get the default language for the wiki
// Returns the default since the page is not loaded from DB
$defLang = $title->getPageLanguage()->getCode();
$pageId = $title->getArticleID();
// Check if article exists
if ( !$pageId ) {
return false;
}
// Load the page language from DB
$dbw = wfGetDB( DB_MASTER );
$langOld = $dbw->selectField(
'page',
'page_lang',
array( 'page_id' => $pageId ),
__METHOD__
);
// Url to redirect to after the operation
$this->goToUrl = $title->getFullURL();
// Check if user wants to use default language
if ( $data['selectoptions'] == 1 ) {
$langNew = null;
} else {
$langNew = $data['language'];
}
// No change in language
if ( $langNew === $langOld ) {
return false;
}
// Hardcoded [def] if the language is set to null
$logOld = $langOld ? $langOld : $defLang . '[def]';
$logNew = $langNew ? $langNew : $defLang . '[def]';
// Writing new page language to database
$dbw = wfGetDB( DB_MASTER );
$dbw->update(
'page',
array( 'page_lang' => $langNew ),
array(
'page_id' => $pageId,
'page_lang' => $langOld
),
__METHOD__
);
if ( !$dbw->affectedRows() ) {
return false;
}
// Logging change of language
$logParams = array(
'4::oldlanguage' => $logOld,
'5::newlanguage' => $logNew
);
$entry = new ManualLogEntry( 'pagelang', 'pagelang' );
$entry->setPerformer( $this->getUser() );
$entry->setTarget( $title );
$entry->setParameters( $logParams );
$logid = $entry->insert();
$entry->publish( $logid );
return true;
}
public function onSuccess() {
// Success causes a redirect
$this->getOutput()->redirect( $this->goToUrl );
}
function showLogFragment( $title ) {
$moveLogPage = new LogPage( 'pagelang' );
$out1 = Xml::element( 'h2', null, $moveLogPage->getName()->text() );
$out2 = '';
LogEventsList::showLogExtract( $out2, 'pagelang', $title );
return $out1 . $out2;
}
}
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