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Diffstat (limited to 'www/wiki/includes/specials/SpecialDiff.php')
-rw-r--r-- | www/wiki/includes/specials/SpecialDiff.php | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialDiff.php b/www/wiki/includes/specials/SpecialDiff.php new file mode 100644 index 00000000..b27a8b4d --- /dev/null +++ b/www/wiki/includes/specials/SpecialDiff.php @@ -0,0 +1,119 @@ +<?php +/** + * Redirect from Special:Diff/### to index.php?diff=### and + * from Special:Diff/###/### to index.php?oldid=###&diff=###. + * + * 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 + */ + +/** + * Redirect from Special:Diff/### to index.php?diff=### and + * from Special:Diff/###/### to index.php?oldid=###&diff=###. + * + * All of the following are valid usages: + * - [[Special:Diff/12345]] (diff of a revision with the previous one) + * - [[Special:Diff/12345/prev]] (diff of a revision with the previous one as well) + * - [[Special:Diff/12345/next]] (diff of a revision with the next one) + * - [[Special:Diff/12345/cur]] (diff of a revision with the latest one of that page) + * - [[Special:Diff/12345/98765]] (diff between arbitrary two revisions) + * + * @ingroup SpecialPage + * @since 1.23 + */ +class SpecialDiff extends RedirectSpecialPage { + public function __construct() { + parent::__construct( 'Diff' ); + $this->mAllowedRedirectParams = []; + } + + /** + * @param string|null $subpage + * @return Title|bool + */ + public function getRedirect( $subpage ) { + $parts = explode( '/', $subpage ); + + // Try to parse the values given, generating somewhat pretty URLs if possible + if ( count( $parts ) === 1 && $parts[0] !== '' ) { + $this->mAddedRedirectParams['diff'] = $parts[0]; + } elseif ( count( $parts ) === 2 ) { + $this->mAddedRedirectParams['oldid'] = $parts[0]; + $this->mAddedRedirectParams['diff'] = $parts[1]; + } else { + return false; + } + + return true; + } + + protected function showNoRedirectPage() { + $this->addHelpLink( 'Help:Diff' ); + $this->setHeaders(); + $this->outputHeader(); + $this->showForm(); + } + + private function showForm() { + $form = HTMLForm::factory( 'ooui', [ + 'oldid' => [ + 'name' => 'oldid', + 'type' => 'int', + 'label-message' => 'diff-form-oldid', + ], + 'diff' => [ + 'name' => 'diff', + 'class' => HTMLTextField::class, + 'label-message' => 'diff-form-revid', + ], + ], $this->getContext(), 'diff-form' ); + $form->setSubmitTextMsg( 'diff-form-submit' ); + $form->setSubmitCallback( [ $this, 'onFormSubmit' ] ); + $form->show(); + } + + public function onFormSubmit( $formData ) { + $params = []; + if ( $formData['oldid'] ) { + $params[] = $formData['oldid']; + } + if ( $formData['diff'] ) { + $params[] = $formData['diff']; + } + $title = $this->getPageTitle( $params ? implode( '/', $params ) : null ); + $url = $title->getFullUrlForRedirect(); + $this->getOutput()->redirect( $url ); + } + + public function getDescription() { + // 'diff' message is in lowercase, using own message + return $this->msg( 'diff-form' )->text(); + } + + public function getName() { + return 'diff-form'; + } + + public function isListed() { + return true; + } + + protected function getGroupName() { + return 'redirects'; + } +} |