/** <nowiki>
* Rollback.js by [[User:NatigKrolik]]
* --------------------experimental--------------------
* provides the 'rollback' link to non-rollbackers
* THIS SOFTWARE IS PROVIDED "AS IS", YOU OWN ANY RESPONSIBILITY WHILE USING IT
* !!! not intended for use by vandals !!!
*/
/* global $, mw */
$( document ).ready( function () {
'use strict';
var api, $undoLink, $ntitle, specialPage, userGroups,
SHOW_ROLLBACK_EDIT_COUNT, modules, diffOnRb, botMode;
$undoLink = $( 'ul#pagehistory li:first-child span.mw-history-undo' );
$ntitle = $( '#mw-diff-ntitle2' );
specialPage = mw.config.get( 'wgCanonicalSpecialPageName' );
if (
$undoLink.length === 0 &&
( $ntitle.length === 0 || $( '#differences-nextlink' ).length > 0 ) &&
[
'Contributions',
'Watchlist',
'Recentchanges',
'Recentchangeslinked'
].indexOf( specialPage ) === -1
) {
return;// no [rollback] button to insert
}
// TODO: auto-patrol reverted changes
userGroups = mw.config.get( 'wgUserGroups' );
if ( userGroups.indexOf( 'rollbacker' ) !== -1 || userGroups.indexOf( 'sysop' ) !== -1 ) {
return;// user is rollbacker, no need for these buttons
}
// https://www.mediawiki.org/wiki/Manual:$wgShowRollbackEditCount
SHOW_ROLLBACK_EDIT_COUNT = 10;
modules = [ 'mediawiki.api' ];
diffOnRb = ( mw.user.options.get( 'norollbackdiff' ) !== 1 );
if ( diffOnRb ) {
modules.push( 'mediawiki.action.history.diff' );
}
botMode = mw.util.getParamValue( 'bot' );
function loadMessages( messages ) {
return api.get( {
action: 'query',
formatversion: 2,
meta: 'allmessages',
amlang: mw.config.get( 'wgUserLanguage' ),
ammessages: messages
} )
.done( function ( data ) {
$.each( data.query.allmessages, function ( i, e ) {
mw.messages.set( e.name, e.content );
} );
} );
}
function showLatestDiff( pageTitle ) {
api.get( {
action: 'query',
formatversion: 2,
prop: 'revisions',
titles: pageTitle,
rvdiffto: 'prev',
rvlimit: 1
} ).done( function ( rev ) {
$( '#mw-content-text' ).append(
'<table class="diff">' +
Array( 3 ).join( '<col class="diff-marker"/><col class="diff-content"/>' ) +
rev.query.pages[ 0 ].revisions[ 0 ].diff.body +
'</table>'
);
} );
}
function pushHistory( url ) {
window.history.pushState( { path: window.location.href }, '', url );
}
function onGotRevisions( rbl, pageTitle, lastEditor, undoRevid, data ) {
var page, revision, rbSummary, rbSuccess, rbPostConfig;
$.each( data.query.allmessages, function ( i, e ) {
mw.messages.set( e.name, e.content );
} );
page = data.query.pages[ 0 ];
if ( page.revisions === undefined || page.revisions.length === 0 ) {
// the last editor of the page is its single one
pushHistory( rbl.href );
$( '#firstHeading' ).text( mw.message( 'rollbackfailed' ).text() );
$( '#p-views ul>li' ).removeClass( 'selected' );
$( '#contentSub' ).empty();
$( '#mw-content-text' ).text( mw.message( 'cantrollback' ).text() );
return;
}
revision = page.revisions[ 0 ];
rbSummary = mw.message( 'revertpage', revision.user, lastEditor ).text();
rbSuccess = mw.message( 'rollback-success', lastEditor, revision.user ).text();
rbPostConfig = {
action: 'edit',
undo: undoRevid,
undoafter: revision.revid,
title: pageTitle,
summary: rbSummary,
minor: 1
};
if ( botMode !== null ) {
rbPostConfig.bot = botMode;
}
api.postWithToken( 'csrf', rbPostConfig )
.done( function () {
pushHistory( rbl.href );
$( '#p-views ul>li' ).removeClass( 'selected' );
$( '#contentSub' ).empty();
$( '#firstHeading' ).text( mw.message( 'actioncomplete' ).text() );
$( '#mw-content-text' ).empty().append(
$( '<p>' ).text( rbSuccess )
)
.append(
$( '<p>' ).attr( 'id', 'mw-returnto' ).html(
mw.message( 'returnto',
'<a href="' + mw.util.getUrl( pageTitle ) +
'" title="' + pageTitle.replace( /_/g, ' ' ) + '">' +
pageTitle.replace( /_/g, ' ' ) + '</a>'
).text()
)
);
if ( diffOnRb ) {
showLatestDiff( pageTitle );
}
} )
.fail( function ( code, data ) {
pushHistory( rbl.href );
$( '#firstHeading' ).text( mw.message( 'rollbackfailed' ).text() );
$( '#mw-content-text' ).text( data && data.error && data.error.info ? data.error.info : '' );
} );
}
function onRbLinkClick( rbl, pageTitle, lastEditor, undoRevid ) {
api.get( {
// require the revision id and the user name
// of the last revision not made by the last user
action: 'query',
formatversion: 2,
prop: 'revisions',
rvlimit: 1,
titles: pageTitle,
rvexcludeuser: lastEditor,
rvprop: 'ids|user',
meta: 'allmessages',
amlang: mw.config.get( 'wgContentLanguage' ),
ammessages: 'revertpage'
} )
.done( onGotRevisions.bind( null, rbl, pageTitle, lastEditor, undoRevid ) );
}
function getRbLink( pageTitle, lastEditor, undoRevid, rbLinkHrefConfig, rbLinkText ) {
return $( '<a>' )
.attr( {
href: mw.util.wikiScript() + '?' + $.param( rbLinkHrefConfig ),
title: mw.message( 'tooltip-rollback' ).text()
} )
.text( rbLinkText )
.click( function ( event ) {
event.preventDefault();
onRbLinkClick( this, pageTitle, lastEditor, undoRevid );
} )
.appendTo( $( '<span>' ).addClass( 'mw-rollback-link' ) ).parent();
}
function getRbLinkFromRevisions( pageTitle, lastEditor, data ) {
var page, rbEdits, undoRevid, rbLinkText, rbLinkHrefConfig;
if (
data === undefined ||
data.query === undefined ||
data.query.pages === undefined ||
data.query.pages.length !== 1
) {
return null;
}
page = data.query.pages[ 0 ];
if ( page.revisions === undefined || page.revisions.length === 0 ) {
return null;
}
rbEdits = null;
undoRevid = page.revisions[ 0 ].revid;
$.each( page.revisions, function ( i, rev ) {
if ( rev.user.replace( / /g, '_' ) !== lastEditor.replace( / /g, '_' ) ) {
rbEdits = i;
return false;
}
} );
rbLinkText = mw.message( 'rollbacklink' ).text();
if ( rbEdits === null ) {
if ( page.revisions.length === SHOW_ROLLBACK_EDIT_COUNT + 1 ) {
rbLinkText = mw.message( 'rollbacklinkcount-morethan', SHOW_ROLLBACK_EDIT_COUNT ).text();
} else {
return null;
}
} else {
rbLinkText = mw.message( 'rollbacklinkcount', rbEdits ).text();
}
rbLinkHrefConfig = {
title: pageTitle,
action: 'rollback',
user: lastEditor,
token: csrfToken.get( 'editToken' )
};
if ( botMode !== null ) {
rbLinkHrefConfig.bot = botMode;
}
return getRbLink( pageTitle, lastEditor, undoRevid, rbLinkHrefConfig, rbLinkText );
}
function createRbLink( pageTitle, lastEditor ) {
return api.get( {
// get the latest SHOW_ROLLBACK_EDIT_COUNT + 1 editors
action: 'query',
formatversion: 2,
prop: 'revisions',
rvlimit: SHOW_ROLLBACK_EDIT_COUNT + 1,
titles: pageTitle,
rvprop: 'ids|user'
} )
.then( function ( data ) {
var rbl = getRbLinkFromRevisions( pageTitle, lastEditor, data );
if ( rbl === null ) {
return $.Deferred().reject();
}
return rbl;
} );
}
function getUserFromLink( $link ) {
if ( $link.hasClass( 'mw-anonuserlink' ) ) {
// Works also for shortened IPv6 addresses
return $link.attr( 'title' ).split( '/' )[ 1 ];
}
return $link.text();
}
function getPageFromLink( $li ) {
var $diffLink = $li.find( 'a[href*="&diff="]' );
if ( $diffLink.length === 1 ) {
return mw.util.getParamValue( 'title', $diffLink.attr( 'href' ) );
}
return null;
}
function historyMode() {
var $history = $( 'ul#pagehistory' );
if ( $history.length === 0 ) {
return true;
}
createRbLink(
mw.config.get( 'wgPageName' ),
getUserFromLink( $history.find( 'li:first-child span.history-user a.mw-userlink' ).first() )
)
.done( function ( $rbLink ) {
$rbLink.insertBefore( $undoLink ).after( ' | ' );
} );
}
function diffMode() {
if ( $ntitle.length === 0 ) {
return true;
}
createRbLink(
mw.config.get( 'wgPageName' ),
getUserFromLink( $ntitle.find( 'a.mw-userlink' ).first() )
)
.done( function ( $rbLink ) {
$rbLink.prepend( '[' ).append( ']' ).appendTo( $ntitle ).before( ' ' );
} );
}
function contributionsMode() {
var lastEditor;
if ( specialPage !== 'Contributions' ) {
return true;
}
lastEditor = mw.util.getParamValue( 'target' );
if ( lastEditor === null ) {
lastEditor = mw.config.get( 'wgPageName' ).split( '/' )[ 1 ];
}
$( '.ns-special ul li' ).each( function () {
var pageTitle,
$li = $( this ),
$uctop = $li.find( '.mw-uctop' );
if ( $uctop.length === 1 && $li.find( '.newpage' ).length === 0 ) {
// only top edits, excluding new pages
pageTitle = getPageFromLink( $li );
if ( pageTitle === null ) {
pageTitle = $li.find( '.mw-contributions-title' ).text();
}
createRbLink( pageTitle, lastEditor )
.done( function ( $rbLink ) {
$rbLink.prepend( ' [' ).append( ']' ).insertAfter( $uctop );
} );
}
} );
}
function changesListMode() {
var seen;
if ( [ 'Watchlist', 'Recentchanges', 'Recentchangeslinked' ].indexOf( specialPage ) === -1 ) {
return true;
}
seen = Object.create( null );
$( '.ns-special ul li' ).each( function () {
var $li = $( this ),
pageTitle = getPageFromLink( $li );
if ( pageTitle === null ) {
pageTitle = $li.find( '.mw-changeslist-title' ).text();
}
if ( seen[ pageTitle ] !== undefined ) {
// not the latest edit to this page
return;
}
seen[ pageTitle ] = true;
createRbLink( pageTitle, getUserFromLink( $li.find( '.mw-userlink' ) ) )
.done( function ( $rbLink ) {
$rbLink.prepend( ' [' ).append( ']' ).appendTo( $li );
} );
} );
}
function onMessagesLoaded() {
// The chain stops as soon as one of the functions takes care of adding rollback links
return historyMode() && diffMode() && contributionsMode() && changesListMode();
}
function onModulesLoaded() {
api = new mw.Api();
loadMessages( [
'rollback-success',
'rollbacklink',
'rollbacklinkcount',
'rollbacklinkcount-morethan',
'action-rollback',
'tooltip-rollback',
'cantrollback',
'actioncomplete',
'rollbackfailed',
'returnto'
] )
.done( onMessagesLoaded );
}
mw.loader.using( modules, onModulesLoaded );
} );
// </nowiki>
