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Diffstat (limited to 'www/wiki/includes/specials/SpecialComparePages.php')
| -rw-r--r-- | www/wiki/includes/specials/SpecialComparePages.php | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialComparePages.php b/www/wiki/includes/specials/SpecialComparePages.php new file mode 100644 index 00000000..35cc6b84 --- /dev/null +++ b/www/wiki/includes/specials/SpecialComparePages.php @@ -0,0 +1,174 @@ +<?php +/** + * Implements Special:ComparePages + * + * Copyright © 2010 Derk-Jan Hartman <hartman@videolan.org> + * + * 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 + */ + +/** + * Implements Special:ComparePages + * + * @ingroup SpecialPage + */ +class SpecialComparePages extends SpecialPage { + + // Stored objects + protected $opts, $skin; + + // Some internal settings + protected $showNavigation = false; + + public function __construct() { + parent::__construct( 'ComparePages' ); + } + + /** + * Show a form for filtering namespace and username + * + * @param string $par + * @return string + */ + public function execute( $par ) { + $this->setHeaders(); + $this->outputHeader(); + $this->getOutput()->addModuleStyles( 'mediawiki.special.comparepages.styles' ); + + $form = HTMLForm::factory( 'ooui', [ + 'Page1' => [ + 'type' => 'title', + 'name' => 'page1', + 'label-message' => 'compare-page1', + 'size' => '40', + 'section' => 'page1', + 'validation-callback' => [ $this, 'checkExistingTitle' ], + ], + 'Revision1' => [ + 'type' => 'int', + 'name' => 'rev1', + 'label-message' => 'compare-rev1', + 'size' => '8', + 'section' => 'page1', + 'validation-callback' => [ $this, 'checkExistingRevision' ], + ], + 'Page2' => [ + 'type' => 'title', + 'name' => 'page2', + 'label-message' => 'compare-page2', + 'size' => '40', + 'section' => 'page2', + 'validation-callback' => [ $this, 'checkExistingTitle' ], + ], + 'Revision2' => [ + 'type' => 'int', + 'name' => 'rev2', + 'label-message' => 'compare-rev2', + 'size' => '8', + 'section' => 'page2', + 'validation-callback' => [ $this, 'checkExistingRevision' ], + ], + 'Action' => [ + 'type' => 'hidden', + 'name' => 'action', + ], + 'Diffonly' => [ + 'type' => 'hidden', + 'name' => 'diffonly', + ], + 'Unhide' => [ + 'type' => 'hidden', + 'name' => 'unhide', + ], + ], $this->getContext(), 'compare' ); + $form->setSubmitTextMsg( 'compare-submit' ); + $form->suppressReset(); + $form->setMethod( 'get' ); + $form->setSubmitCallback( [ __CLASS__, 'showDiff' ] ); + + $form->loadData(); + $form->displayForm( '' ); + $form->trySubmit(); + } + + public static function showDiff( $data, HTMLForm $form ) { + $rev1 = self::revOrTitle( $data['Revision1'], $data['Page1'] ); + $rev2 = self::revOrTitle( $data['Revision2'], $data['Page2'] ); + + if ( $rev1 && $rev2 ) { + $revision = Revision::newFromId( $rev1 ); + + if ( $revision ) { // NOTE: $rev1 was already checked, should exist. + $contentHandler = $revision->getContentHandler(); + $de = $contentHandler->createDifferenceEngine( $form->getContext(), + $rev1, + $rev2, + null, // rcid + ( $data['Action'] == 'purge' ), + ( $data['Unhide'] == '1' ) + ); + $de->showDiffPage( true ); + } + } + } + + public static function revOrTitle( $revision, $title ) { + if ( $revision ) { + return $revision; + } elseif ( $title ) { + $title = Title::newFromText( $title ); + if ( $title instanceof Title ) { + return $title->getLatestRevID(); + } + } + + return null; + } + + public function checkExistingTitle( $value, $alldata ) { + if ( $value === '' || $value === null ) { + return true; + } + $title = Title::newFromText( $value ); + if ( !$title instanceof Title ) { + return $this->msg( 'compare-invalid-title' )->parseAsBlock(); + } + if ( !$title->exists() ) { + return $this->msg( 'compare-title-not-exists' )->parseAsBlock(); + } + + return true; + } + + public function checkExistingRevision( $value, $alldata ) { + if ( $value === '' || $value === null ) { + return true; + } + $revision = Revision::newFromId( $value ); + if ( $revision === null ) { + return $this->msg( 'compare-revision-not-exists' )->parseAsBlock(); + } + + return true; + } + + protected function getGroupName() { + return 'pagetools'; + } +} |