mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-11-24 08:23:52 +00:00
1ec97b18d9
We cleared the highlight outside the setTimeout(), then set a new one inside the setTimeout(). If this method was called twice quickly, two highlights would be created, and the first one of them would become impossible to clear. Move the setTimeout() outside of the method to avoid this. Bug: T311021 Change-Id: Ic8b2cf2a782a429c4ea073871efd215f4b300ed8
607 lines
21 KiB
JavaScript
607 lines
21 KiB
JavaScript
'use strict';
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var
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$pageContainer, linksController,
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pageThreads,
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lastControllerScrollOffset,
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featuresEnabled = mw.config.get( 'wgDiscussionToolsFeaturesEnabled' ) || {},
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createMemoryStorage = require( './createMemoryStorage.js' ),
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storage = createMemoryStorage( mw.storage.session ),
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Parser = require( './Parser.js' ),
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ThreadItemSet = require( './ThreadItemSet.js' ),
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CommentDetails = require( './CommentDetails.js' ),
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ReplyLinksController = require( './ReplyLinksController.js' ),
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logger = require( './logger.js' ),
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utils = require( './utils.js' ),
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highlighter = require( './highlighter.js' ),
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topicSubscriptions = require( './topicsubscriptions.js' ),
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pageHandlersSetup = false,
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pageDataCache = {};
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mw.messages.set( require( './controller/contLangMessages.json' ) );
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/**
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* Get an MW API instance
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*
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* @return {mw.Api} API instance
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*/
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function getApi() {
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return new mw.Api( {
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parameters: {
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formatversion: 2,
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uselang: mw.config.get( 'wgUserLanguage' )
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}
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} );
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}
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/**
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* Get various pieces of page metadata.
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*
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* This method caches responses. If you call it again with the same parameters, you'll get the exact
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* same Promise object, and no API request will be made.
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*
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* @param {string} pageName Page title
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* @param {number} oldId Revision ID
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* @return {jQuery.Promise}
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*/
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function getPageData( pageName, oldId ) {
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var api = getApi();
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pageDataCache[ pageName ] = pageDataCache[ pageName ] || {};
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if ( pageDataCache[ pageName ][ oldId ] ) {
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return pageDataCache[ pageName ][ oldId ];
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}
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var lintPromise, transcludedFromPromise;
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if ( oldId ) {
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lintPromise = api.get( {
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action: 'query',
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list: 'linterrors',
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lntcategories: 'fostered',
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lntlimit: 1,
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lnttitle: pageName
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} ).then( function ( response ) {
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return OO.getProp( response, 'query', 'linterrors' ) || [];
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} );
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transcludedFromPromise = api.get( {
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action: 'discussiontoolspageinfo',
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page: pageName,
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oldid: oldId
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} ).then( function ( response ) {
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return OO.getProp( response, 'discussiontoolspageinfo', 'transcludedfrom' ) || {};
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} );
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} else {
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lintPromise = $.Deferred().resolve( [] ).promise();
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transcludedFromPromise = $.Deferred().resolve( {} ).promise();
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}
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var veMetadataPromise = api.get( {
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action: 'visualeditor',
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paction: 'metadata',
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page: pageName
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} ).then( function ( response ) {
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return OO.getProp( response, 'visualeditor' ) || [];
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} );
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pageDataCache[ pageName ][ oldId ] = $.when( lintPromise, transcludedFromPromise, veMetadataPromise )
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.then( function ( linterrors, transcludedfrom, metadata ) {
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return {
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linterrors: linterrors,
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transcludedfrom: transcludedfrom,
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metadata: metadata
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};
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}, function () {
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// Clear on failure
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pageDataCache[ pageName ][ oldId ] = null;
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// Let caller handle the error
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return $.Deferred().rejectWith( this, arguments );
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} );
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return pageDataCache[ pageName ][ oldId ];
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}
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/**
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* Check if a given thread item on a page can be replied to
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*
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* @param {string} pageName Page title
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* @param {number} oldId Revision ID
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* @param {ThreadItem} threadItem Thread item
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* @return {jQuery.Promise} Resolved with a CommentDetails object if the comment appears on the page.
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* Rejects with error data if the comment is transcluded, or there are lint errors on the page.
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*/
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function checkThreadItemOnPage( pageName, oldId, threadItem ) {
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var isNewTopic = threadItem.id === utils.NEW_TOPIC_COMMENT_ID;
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return getPageData( pageName, oldId )
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.then( function ( response ) {
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var metadata = response.metadata,
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lintErrors = response.linterrors,
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transcludedFrom = response.transcludedfrom;
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if ( !isNewTopic ) {
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// First look for data by the thread item's ID. If not found, also look by name.
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// Data by ID may not be found due to differences in headings (e.g. T273413, T275821),
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// or if a thread item's parent changes.
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// Data by name might be combined from two or more thread items, which would only allow us to
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// treat them both as transcluded from unknown source, unless we check ID first.
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var isTranscludedFrom = transcludedFrom[ threadItem.id ];
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if ( isTranscludedFrom === undefined ) {
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isTranscludedFrom = transcludedFrom[ threadItem.name ];
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}
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if ( isTranscludedFrom === undefined ) {
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// The thread item wasn't found when generating the "transcludedfrom" data,
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// so we don't know where the reply should be posted. Just give up.
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return $.Deferred().reject( 'discussiontools-commentid-notfound-transcludedfrom', { errors: [ {
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code: 'discussiontools-commentid-notfound-transcludedfrom',
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html: mw.message( 'discussiontools-error-comment-disappeared' ).parse() +
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'<br>' +
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mw.message( 'discussiontools-error-comment-disappeared-reload' ).parse()
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} ] } ).promise();
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} else if ( isTranscludedFrom ) {
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var mwTitle = isTranscludedFrom === true ? null : mw.Title.newFromText( isTranscludedFrom );
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// If this refers to a template rather than a subpage, we never want to edit it
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var follow = mwTitle && mwTitle.getNamespaceId() !== mw.config.get( 'wgNamespaceIds' ).template;
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var transcludedErrMsg;
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if ( follow ) {
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transcludedErrMsg = mw.message(
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'discussiontools-error-comment-is-transcluded-title',
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mwTitle.getPrefixedText()
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).parse();
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} else if ( metadata.canEdit ) {
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// If the user can edit, advise them to use the edit button
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transcludedErrMsg = mw.message(
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'discussiontools-error-comment-is-transcluded',
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// eslint-disable-next-line no-jquery/no-global-selector
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$( '#ca-edit' ).text()
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).parse();
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} else {
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// Otherwise, tell them why they can't edit
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transcludedErrMsg = metadata.notices[ 'permissions-error' ];
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}
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return $.Deferred().reject( 'comment-is-transcluded', { errors: [ {
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data: {
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transcludedFrom: isTranscludedFrom,
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follow: follow
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},
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code: 'comment-is-transcluded',
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html: transcludedErrMsg
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} ] } ).promise();
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}
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if ( lintErrors.length ) {
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// We currently only request the first error
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var lintType = lintErrors[ 0 ].category;
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return $.Deferred().reject( 'lint', { errors: [ {
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code: 'lint',
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html: mw.message( 'discussiontools-error-lint',
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'https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Lint_errors/' + lintType,
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'https://www.mediawiki.org/wiki/Special:MyLanguage/Help_talk:Lint_errors/' + lintType,
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mw.util.getUrl( pageName, { action: 'edit', lintid: lintErrors[ 0 ].lintId } ) ).parse()
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} ] } ).promise();
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}
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}
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if ( !metadata.canEdit ) {
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return $.Deferred().reject( 'permissions-error', { errors: [ {
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code: 'permissions-error',
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html: metadata.notices[ 'permissions-error' ]
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} ] } ).promise();
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}
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return new CommentDetails( pageName, oldId, metadata.notices );
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} );
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}
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/**
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* Get a promise which resolves with editor checkbox data
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*
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* @param {string} pageName Page title
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* @param {number} oldId Revision ID
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* @return {jQuery.Promise} See ve.init.mw.ArticleTargetLoader#createCheckboxFields
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*/
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function getCheckboxesPromise( pageName, oldId ) {
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return getPageData(
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pageName,
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oldId
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).then( function ( pageData ) {
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var data = pageData.metadata,
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checkboxesDef = {};
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mw.messages.set( data.checkboxesMessages );
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// Only show the watch checkbox for now
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if ( 'wpWatchthis' in data.checkboxesDef ) {
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checkboxesDef.wpWatchthis = data.checkboxesDef.wpWatchthis;
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// Override the label with a more verbose one to distinguish this from topic subscriptions (T290712)
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checkboxesDef.wpWatchthis[ 'label-message' ] = 'discussiontools-replywidget-watchthis';
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}
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return mw.loader.using( 'ext.visualEditor.targetLoader' ).then( function () {
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return mw.libs.ve.targetLoader.createCheckboxFields( checkboxesDef );
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} );
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// TODO: createCheckboxField doesn't make links in the label open in a new
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// window as that method currently lives in ve.utils
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} );
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}
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/**
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* Initialize Discussion Tools features
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*
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* @param {jQuery} $container Page container
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* @param {Object<string,Mixed>} [state] Page state data object
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* @param {string} [state.repliedTo] The comment ID that was just replied to
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*/
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function init( $container, state ) {
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var
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activeCommentId = null,
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activeController = null,
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// Loads later to avoid circular dependency
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CommentController = require( './CommentController.js' ),
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NewTopicController = require( './NewTopicController.js' );
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// Lazy-load postEdit module, may be required later (on desktop)
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mw.loader.using( 'mediawiki.action.view.postEdit' );
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if ( OO.ui.isMobile() && mw.config.get( 'skin' ) === 'minerva' ) {
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// For compatibility with Minerva click tracking (T295490)
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$container.find( '.section-heading' ).attr( 'data-event-name', 'talkpage.section' );
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}
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$pageContainer = $container;
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linksController = new ReplyLinksController( $pageContainer );
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var parser = new Parser( require( './parser/data.json' ) );
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var commentNodes = $pageContainer[ 0 ].querySelectorAll( '[data-mw-comment]' );
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pageThreads = ThreadItemSet.static.newFromAnnotatedNodes( commentNodes, $pageContainer[ 0 ], parser );
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if ( featuresEnabled.topicsubscription ) {
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topicSubscriptions.initTopicSubscriptions( $container, pageThreads );
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}
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/**
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* Setup comment controllers for each comment, and the new topic controller
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*
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* @param {string} commentId Comment ID, or NEW_TOPIC_COMMENT_ID constant
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* @param {jQuery} $link Add section link for new topic controller
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* @param {string} [mode] Optionally force a mode, 'visual' or 'source'
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* @param {boolean} [hideErrors] Suppress errors, e.g. when restoring auto-save
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* @param {boolean} [suppressNotifications] Don't notify the user if recovering auto-save
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*/
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function setupController( commentId, $link, mode, hideErrors, suppressNotifications ) {
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var commentController, $addSectionLink;
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if ( commentId === utils.NEW_TOPIC_COMMENT_ID ) {
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// eslint-disable-next-line no-jquery/no-global-selector
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$addSectionLink = $( '#ca-addsection a' );
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// When opening new topic tool using any link, always activate the link in page tabs too
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$link = $link.add( $addSectionLink );
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commentController = new NewTopicController( $pageContainer, pageThreads );
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} else {
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commentController = new CommentController( $pageContainer, pageThreads.findCommentById( commentId ), pageThreads );
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}
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activeCommentId = commentId;
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activeController = commentController;
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linksController.setActiveLink( $link );
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commentController.on( 'teardown', function ( teardownMode ) {
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activeCommentId = null;
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activeController = null;
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if ( teardownMode !== 'refresh' ) {
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linksController.clearActiveLink();
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}
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if ( teardownMode === 'abandoned' ) {
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linksController.focusLink( $link );
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}
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} );
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commentController.on( 'reloadPage', function () {
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mw.dt.initState.newCommentIds = commentController.newComments.map( function ( cmt ) {
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return cmt.id;
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} );
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// Teardown active reply widget(s)
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commentController.replyWidgetPromise.then( function ( replyWidget ) {
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lastControllerScrollOffset = $( commentController.newListItem ).offset().top;
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replyWidget.teardown( 'refresh' );
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// Only fetch the last now "good" revision, on which we know the parent comment still exists.
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// As we poll frequently, this will almost always be the lastet revision.
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refreshPageContents( commentController.oldId );
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} );
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} );
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commentController.setup( mode, hideErrors, suppressNotifications );
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if ( lastControllerScrollOffset ) {
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$( document.documentElement ).scrollTop(
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$( document.documentElement ).scrollTop() +
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( $( commentController.newListItem ).offset().top - lastControllerScrollOffset )
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);
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lastControllerScrollOffset = null;
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}
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}
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// Hook up each link to open a reply widget
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//
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// TODO: Allow users to use multiple reply widgets simultaneously.
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// Currently submitting a reply from one widget would also destroy the other ones.
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linksController.on( 'link-click', function ( commentId, $link ) {
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// If the reply widget is already open, activate it.
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// Reply links are also made unclickable using 'pointer-events' in CSS, but that doesn't happen
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// for new section links, because we don't have a good way of visually disabling them.
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// (And it also doesn't work on IE 11.)
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if ( activeCommentId === commentId ) {
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activeController.showAndFocus();
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return;
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}
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// If this is a new topic link, and a reply widget is open, attempt to close it first.
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var teardownPromise;
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if ( activeController && commentId === utils.NEW_TOPIC_COMMENT_ID ) {
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teardownPromise = activeController.replyWidget.tryTeardown();
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} else {
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teardownPromise = $.Deferred().resolve();
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}
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teardownPromise.then( function () {
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// If another reply widget is open (or opening), do nothing.
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if ( activeController ) {
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return;
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}
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setupController( commentId, $link );
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} );
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} );
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// Restore autosave
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( function () {
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var mode, $link;
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for ( var i = 0; i < pageThreads.threadItems.length; i++ ) {
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var comment = pageThreads.threadItems[ i ];
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if ( storage.get( 'reply/' + comment.id + '/saveable' ) ) {
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mode = storage.get( 'reply/' + comment.id + '/mode' );
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$link = $( commentNodes[ i ] );
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setupController( comment.id, $link, mode, true, !state.firstLoad );
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break;
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}
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}
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if ( storage.get( 'reply/' + utils.NEW_TOPIC_COMMENT_ID + '/saveable' ) ) {
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mode = storage.get( 'reply/' + utils.NEW_TOPIC_COMMENT_ID + '/mode' );
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setupController( utils.NEW_TOPIC_COMMENT_ID, $( [] ), mode, true, !state.firstLoad );
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} else if ( mw.config.get( 'wgDiscussionToolsStartNewTopicTool' ) ) {
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setupController( utils.NEW_TOPIC_COMMENT_ID, $( [] ) );
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}
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}() );
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// For debugging (now unused in the code)
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mw.dt.pageThreads = pageThreads;
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var promise = OO.ui.isMobile() && mw.loader.getState( 'mobile.init' ) ?
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mw.loader.using( 'mobile.init' ) :
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$.Deferred().resolve().promise();
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promise.then( function () {
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if ( state.repliedTo ) {
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highlighter.highlightPublishedComment( pageThreads, state.repliedTo );
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if ( state.repliedTo === utils.NEW_TOPIC_COMMENT_ID ) {
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mw.hook( 'postEdit' ).fire( {
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message: mw.msg( 'discussiontools-postedit-confirmation-topicadded', mw.user )
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} );
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} else {
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if ( OO.ui.isMobile() ) {
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mw.notify( mw.msg( 'discussiontools-postedit-confirmation-published', mw.user ) );
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} else {
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// postEdit is currently desktop only
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mw.hook( 'postEdit' ).fire( {
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message: mw.msg( 'discussiontools-postedit-confirmation-published', mw.user )
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} );
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}
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}
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} else if ( state.newCommentIds ) {
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highlighter.highlightNewComments( pageThreads, true, state.newCommentIds );
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}
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// Check topic subscription states if the user has automatic subscriptions enabled
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// and has recently edited this page.
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if ( featuresEnabled.autotopicsub && mw.user.options.get( 'discussiontools-autotopicsub' ) ) {
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topicSubscriptions.updateAutoSubscriptionStates( $container, pageThreads, state.repliedTo );
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}
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} );
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// Preload page metadata.
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// TODO: Isn't this too early to load it? We will only need it if the user tries replying...
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getPageData(
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mw.config.get( 'wgRelevantPageName' ),
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mw.config.get( 'wgCurRevisionId' )
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);
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// Page-level handlers only need to be setup once
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if ( !pageHandlersSetup ) {
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$( window ).on( 'popstate', function () {
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// Delay with setTimeout() because "the Document's target element" (corresponding to the :target
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// selector in CSS) is not yet updated to match the URL when handling a 'popstate' event.
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setTimeout( function () {
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highlighter.highlightTargetComment( pageThreads, true );
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} );
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} );
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// eslint-disable-next-line no-jquery/no-global-selector
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$( 'body' ).on( 'click', function ( e ) {
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if ( utils.isUnmodifiedLeftClick( e ) ) {
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highlighter.clearHighlightTargetComment( pageThreads );
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}
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} );
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pageHandlersSetup = true;
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}
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if ( state.firstLoad ) {
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highlighter.highlightTargetComment( pageThreads );
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}
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}
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/**
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* Update the contents of the page with the data from an action=parse API response.
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*
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* @param {jQuery} $container Page container
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* @param {Object} data Data from action=parse API
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*/
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function updatePageContents( $container, data ) {
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var $content = $( $.parseHTML( data.parse.text ) );
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$container.find( '.mw-parser-output' ).first().replaceWith( $content );
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mw.config.set( data.parse.jsconfigvars );
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mw.loader.load( data.parse.modulestyles );
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mw.loader.load( data.parse.modules );
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mw.config.set( {
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wgCurRevisionId: data.parse.revid,
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wgRevisionId: data.parse.revid
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} );
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// TODO update categories, displaytitle, lastmodified
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// We may not be able to use prop=displaytitle without making changes in the action=parse API,
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// VE API has some confusing code that changes the HTML escaping on it before returning???
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// We need our init code to run after everyone else's handlers for this hook,
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// so that all changes to the page layout have been completed (e.g. collapsible elements),
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// and we can measure things and display the highlight in the right place.
|
|
mw.hook( 'wikipage.content' ).remove( mw.dt.init );
|
|
mw.hook( 'wikipage.content' ).fire( $container );
|
|
// The hooks have "memory" so calling add() after fire() actually fires the handler,
|
|
// and calling add() before fire() would actually fire it twice.
|
|
mw.hook( 'wikipage.content' ).add( mw.dt.init );
|
|
}
|
|
|
|
/**
|
|
* Load the latest revision of the page and display its contents.
|
|
*
|
|
* @param {number} [oldId] Revision ID to fetch, latest if not specified
|
|
* @return {jQuery.Promise} Promise which resolves when the refresh is complete
|
|
*/
|
|
function refreshPageContents( oldId ) {
|
|
return getApi().get( {
|
|
action: 'parse',
|
|
// HACK: 'useskin' triggers a different code path that runs our OutputPageBeforeHTML hook,
|
|
// adding our reply links in the HTML (T266195)
|
|
useskin: mw.config.get( 'skin' ),
|
|
uselang: mw.config.get( 'wgUserLanguage' ),
|
|
// HACK: Always display reply links afterwards, ignoring preferences etc., in case this was
|
|
// a page view with reply links forced with ?dtenable=1 or otherwise
|
|
dtenable: '1',
|
|
prop: [ 'text', 'modules', 'jsconfigvars', 'revid' ],
|
|
page: !oldId ? mw.config.get( 'wgRelevantPageName' ) : undefined,
|
|
oldid: oldId || undefined
|
|
} ).then( function ( parseResp ) {
|
|
updatePageContents( $pageContainer, parseResp );
|
|
} );
|
|
}
|
|
|
|
/**
|
|
* Update the page after a comment is published/saved
|
|
*
|
|
* @param {Object} data Edit API response data
|
|
* @param {ThreadItem} threadItem Parent thread item
|
|
* @param {string} pageName Page title
|
|
* @param {mw.dt.ReplyWidget} replyWidget ReplyWidget
|
|
*/
|
|
function update( data, threadItem, pageName, replyWidget ) {
|
|
function logSaveSuccess() {
|
|
logger( {
|
|
action: 'saveSuccess',
|
|
timing: mw.now() - replyWidget.saveInitiated,
|
|
// eslint-disable-next-line camelcase
|
|
revision_id: data.newrevid
|
|
} );
|
|
}
|
|
|
|
// We posted a new comment, clear the cache, because wgCurRevisionId will not change if we posted
|
|
// to a transcluded page (T266275)
|
|
pageDataCache[ mw.config.get( 'wgRelevantPageName' ) ][ mw.config.get( 'wgCurRevisionId' ) ] = null;
|
|
|
|
var pageExists = !!mw.config.get( 'wgRelevantArticleId' );
|
|
if ( !pageExists ) {
|
|
// The page didn't exist before this update, so reload it. We'd handle
|
|
// setting up the content just fine (assuming there's a
|
|
// mw-parser-output), but fixing up the UI tabs/behavior is outside
|
|
// our scope.
|
|
replyWidget.unbindBeforeUnloadHandler();
|
|
replyWidget.clearStorage();
|
|
replyWidget.setPending( true );
|
|
window.location = mw.util.getUrl( pageName, { dtrepliedto: threadItem.id } );
|
|
logSaveSuccess();
|
|
return;
|
|
}
|
|
|
|
replyWidget.teardown();
|
|
linksController.teardown();
|
|
linksController = null;
|
|
// TODO: Tell controller to teardown all other open widgets
|
|
|
|
// Highlight the new reply after re-initializing
|
|
mw.dt.initState.repliedTo = threadItem.id;
|
|
|
|
// Update page state
|
|
var pageUpdated = $.Deferred();
|
|
if ( pageName === mw.config.get( 'wgRelevantPageName' ) ) {
|
|
// We can use the result from the VisualEditor API
|
|
updatePageContents( $pageContainer, {
|
|
parse: {
|
|
text: data.content,
|
|
jsconfigvars: data.jsconfigvars,
|
|
revid: data.newrevid,
|
|
// Note: VE API merges 'modules' and 'modulestyles'
|
|
modules: data.modules,
|
|
modulestyles: []
|
|
}
|
|
} );
|
|
|
|
mw.config.set( {
|
|
wgCurRevisionId: data.newrevid,
|
|
wgRevisionId: data.newrevid
|
|
} );
|
|
|
|
pageUpdated.resolve();
|
|
|
|
} else {
|
|
// We saved to another page, we must purge and then fetch the current page
|
|
var api = getApi();
|
|
api.post( {
|
|
action: 'purge',
|
|
titles: mw.config.get( 'wgRelevantPageName' )
|
|
} ).then( function () {
|
|
return refreshPageContents();
|
|
} ).then( function () {
|
|
pageUpdated.resolve();
|
|
} ).catch( function () {
|
|
// We saved the reply, but couldn't purge or fetch the updated page. Seems difficult to
|
|
// explain this problem. Redirect to the page where the user can at least see their reply…
|
|
window.location = mw.util.getUrl( pageName, { dtrepliedto: threadItem.id } );
|
|
// We're confident the saving portion succeeded, so still log this:
|
|
logSaveSuccess();
|
|
} );
|
|
}
|
|
|
|
// User logged in if module loaded.
|
|
if ( mw.loader.getState( 'mediawiki.page.watch.ajax' ) === 'ready' ) {
|
|
var watch = require( 'mediawiki.page.watch.ajax' );
|
|
|
|
watch.updateWatchLink(
|
|
mw.Title.newFromText( pageName ),
|
|
data.watched ? 'unwatch' : 'watch',
|
|
'idle',
|
|
data.watchlistexpiry
|
|
);
|
|
}
|
|
|
|
pageUpdated.then( logSaveSuccess );
|
|
}
|
|
|
|
module.exports = {
|
|
init: init,
|
|
update: update,
|
|
updatePageContents: updatePageContents,
|
|
refreshPageContents: refreshPageContents,
|
|
checkThreadItemOnPage: checkThreadItemOnPage,
|
|
getCheckboxesPromise: getCheckboxesPromise,
|
|
getApi: getApi,
|
|
storage: storage
|
|
};
|