mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-11-16 20:58:28 +00:00
377 lines
12 KiB
JavaScript
377 lines
12 KiB
JavaScript
'use strict';
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var
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$pageContainer,
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Parser = require( './Parser.js' ),
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ThreadItem = require( './ThreadItem.js' ),
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logger = require( './logger.js' ),
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pageDataCache = {};
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mw.messages.set( require( './controller/contLangMessages.json' ) );
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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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function highlight( comment ) {
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var padding = 5,
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// $container must be position:relative/absolute
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$container = OO.ui.getDefaultOverlay(),
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containerRect = $container[ 0 ].getBoundingClientRect(),
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rect = RangeFix.getBoundingClientRect( comment.getNativeRange() ),
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$highlight = $( '<div>' ).addClass( 'dt-init-highlight' );
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$highlight.css( {
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top: rect.top - containerRect.top - padding,
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left: rect.left - containerRect.left - padding,
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width: rect.width + ( padding * 2 ),
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height: rect.height + ( padding * 2 )
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} );
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$container.prepend( $highlight );
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OO.ui.Element.static.scrollIntoView( $highlight[ 0 ], { padding: { top: 10, bottom: 10 } } ).then( function () {
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setTimeout( function () {
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$highlight.addClass( 'dt-init-highlight-fade' );
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setTimeout( function () {
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$highlight.remove();
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}, 500 );
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}, 500 );
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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 lintPromise, transcludedFromPromise, veMetadataPromise,
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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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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: 'discussiontools',
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paction: 'transcludedfrom',
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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, 'discussiontools' ) || {};
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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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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 comment 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 {string} commentId Comment ID
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* @return {jQuery.Promise} Resolves with the pageName+oldId 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 checkCommentOnPage( pageName, oldId, commentId ) {
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return getPageData( pageName, oldId )
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.then( function ( response ) {
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var isTranscludedFrom, transcludedErrMsg, mwTitle, follow,
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lintType,
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lintErrors = response.linterrors,
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transcludedFrom = response.transcludedfrom;
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isTranscludedFrom = transcludedFrom[ commentId ];
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if ( isTranscludedFrom === undefined ) {
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// The comment 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 $.Deferred().reject( 'discussiontools-commentid-notfound-transcludedfrom', { errors: [ {
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code: 'discussiontools-commentid-notfound-transcludedfrom',
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html: mw.message( 'discussiontools-error-comment-disappeared' ).parse()
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} ] } ).promise();
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} else if ( isTranscludedFrom ) {
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mwTitle = isTranscludedFrom === true ? null : mw.Title.newFromText( isTranscludedFrom );
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// If this refers to a template rather than a subpage, we never want to edit it
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follow = mwTitle && mwTitle.getNamespaceId() !== mw.config.get( 'wgNamespaceIds' ).template;
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if ( follow ) {
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transcludedErrMsg = mw.message(
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'discussiontools-error-comment-is-transcluded-title',
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mwTitle.getPrefixedText()
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).parse();
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} else {
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transcludedErrMsg = mw.message(
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'discussiontools-error-comment-is-transcluded',
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// eslint-disable-next-line no-jquery/no-global-selector
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$( '#ca-edit' ).text()
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).parse();
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}
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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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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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return {
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pageName: pageName,
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oldId: oldId
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};
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} );
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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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}
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// targetLoader was loaded by getPageData
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return mw.libs.ve.targetLoader.createCheckboxFields( checkboxesDef );
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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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function init( $container, state ) {
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var parser, pageThreads,
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repliedToComment,
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i, hash, comment, commentNodes, newId,
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// Loads later to avoid circular dependency
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CommentController = require( './CommentController.js' ),
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threadItemsById = {},
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threadItems = [];
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$pageContainer = $container;
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parser = new Parser( $pageContainer[ 0 ] );
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pageThreads = [];
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commentNodes = $pageContainer[ 0 ].querySelectorAll( '[data-mw-comment]' );
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threadItems.length = commentNodes.length;
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// The page can be served from the HTTP cache (Varnish), containing data-mw-comment generated
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// by an older version of our PHP code. Code below must be able to handle that.
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// See CommentFormatter::addReplyLinks() in PHP.
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// Iterate over commentNodes backwards so replies are always deserialized before their parents.
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for ( i = commentNodes.length - 1; i >= 0; i-- ) {
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hash = JSON.parse( commentNodes[ i ].getAttribute( 'data-mw-comment' ) );
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comment = ThreadItem.static.newFromJSON( hash, threadItemsById );
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threadItemsById[ comment.id ] = comment;
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if ( comment.type === 'comment' ) {
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// eslint-disable-next-line no-new
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new CommentController( $pageContainer, $( commentNodes[ i ] ), comment );
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} else {
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// Use unshift as we are in a backwards loop
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pageThreads.unshift( comment );
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}
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threadItems[ i ] = comment;
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}
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// Recalculate legacy IDs
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parser.threadItemsById = {};
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// In the forward order this time, as the IDs for indistinguishable comments depend on it
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for ( i = 0; i < threadItems.length; i++ ) {
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comment = threadItems[ i ];
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newId = parser.computeId( comment );
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parser.threadItemsById[ newId ] = comment;
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if ( newId !== comment.id ) {
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comment.id = newId;
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threadItemsById[ newId ] = comment;
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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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if ( state.repliedTo ) {
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// Find the comment we replied to, then highlight the last reply
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repliedToComment = threadItemsById[ state.repliedTo ];
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highlight( repliedToComment.replies[ repliedToComment.replies.length - 1 ] );
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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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}
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function update( data, comment, pageName, replyWidget ) {
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var watch,
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api = getApi(),
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pageUpdated = $.Deferred();
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// We posted a new comment, clear the cache, because wgCurRevisionId will not change if we posted
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// to a transcluded page (T266275)
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pageDataCache[ mw.config.get( 'wgRelevantPageName' ) ][ mw.config.get( 'wgCurRevisionId' ) ] = null;
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replyWidget.teardown();
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// TODO: Tell controller to teardown all other open widgets
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// Update page state
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if ( pageName === mw.config.get( 'wgRelevantPageName' ) ) {
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// We can use the result from the VisualEditor API
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$pageContainer.html( data.content );
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mw.config.set( {
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wgCurRevisionId: data.newrevid,
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wgRevisionId: data.newrevid
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} );
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mw.config.set( data.jsconfigvars );
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// Note: VE API merges 'modules' and 'modulestyles'
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mw.loader.load( data.modules );
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// TODO update categories, displaytitle, lastmodified
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// (see ve.init.mw.DesktopArticleTarget.prototype.replacePageContent)
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pageUpdated.resolve();
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} else {
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// We saved to another page, we must purge and then fetch the current page
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api.post( {
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action: 'purge',
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titles: mw.config.get( 'wgRelevantPageName' )
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} ).then( function () {
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return api.get( {
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action: 'parse',
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// HACK: 'useskin' triggers a different code path that runs our OutputPageBeforeHTML hook,
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// adding our reply links in the HTML (T266195)
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useskin: mw.config.get( 'skin' ),
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uselang: mw.config.get( 'wgUserLanguage' ),
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prop: [ 'text', 'modules', 'jsconfigvars' ],
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page: mw.config.get( 'wgRelevantPageName' )
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} );
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} ).then( function ( parseResp ) {
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$pageContainer.html( parseResp.parse.text );
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mw.config.set( parseResp.parse.jsconfigvars );
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mw.loader.load( parseResp.parse.modulestyles );
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mw.loader.load( parseResp.parse.modules );
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// TODO update categories, displaytitle, lastmodified
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// We may not be able to use prop=displaytitle without making changes in the action=parse API,
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// VE API has some confusing code that changes the HTML escaping on it before returning???
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pageUpdated.resolve();
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} ).catch( function () {
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// We saved the reply, but couldn't purge or fetch the updated page. Seems difficult to
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// explain this problem. Redirect to the page where the user can at least see their reply…
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window.location = mw.util.getUrl( pageName );
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} );
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}
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// User logged in if module loaded.
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if ( mw.loader.getState( 'mediawiki.page.watch.ajax' ) === 'ready' ) {
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watch = require( 'mediawiki.page.watch.ajax' );
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watch.updateWatchLink(
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// eslint-disable-next-line no-jquery/no-global-selector
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$( '#ca-watch a, #ca-unwatch a' ),
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data.watched ? 'unwatch' : 'watch',
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'idle',
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data.watchlistexpiry
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);
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}
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pageUpdated.then( function () {
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// Re-initialize and highlight the new reply.
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mw.dt.initState.repliedTo = comment.id;
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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.
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mw.hook( 'wikipage.content' ).remove( mw.dt.init );
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mw.hook( 'wikipage.content' ).fire( $pageContainer );
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// The hooks have "memory" so calling add() after fire() actually fires the handler,
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// and calling add() before fire() would actually fire it twice.
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mw.hook( 'wikipage.content' ).add( mw.dt.init );
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logger( {
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action: 'saveSuccess',
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// eslint-disable-next-line camelcase
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revision_id: data.newrevid
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} );
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} );
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}
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module.exports = {
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init: init,
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update: update,
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checkCommentOnPage: checkCommentOnPage,
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getCheckboxesPromise: getCheckboxesPromise,
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getApi: getApi
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};
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