mediawiki-extensions-Discus.../modules/controller.js

1063 lines
38 KiB
JavaScript

'use strict';
/* global moment */
var
$pageContainer, linksController, lastHighlightComment,
featuresEnabled = mw.config.get( 'wgDiscussionToolsFeaturesEnabled' ) || {},
seenAutoTopicSubPopup = !!+mw.user.options.get( 'discussiontools-seenautotopicsubpopup' ),
MemoryStorage = require( './MemoryStorage.js' ),
storage = new MemoryStorage( mw.storage.session.store ),
Parser = require( './Parser.js' ),
ThreadItem = require( './ThreadItem.js' ),
CommentItem = require( './CommentItem.js' ),
CommentDetails = require( './CommentDetails.js' ),
ReplyLinksController = require( './ReplyLinksController.js' ),
logger = require( './logger.js' ),
utils = require( './utils.js' ),
STATE_UNSUBSCRIBED = 0,
STATE_SUBSCRIBED = 1,
STATE_AUTOSUBSCRIBED = 2,
pageDataCache = {};
mw.messages.set( require( './controller/contLangMessages.json' ) );
/**
* Get an MW API instance
*
* @return {mw.Api} API instance
*/
function getApi() {
return new mw.Api( {
parameters: {
formatversion: 2,
uselang: mw.config.get( 'wgUserLanguage' )
}
} );
}
/**
* Draw a semi-transparent rectangle on the page to highlight the given comment.
*
* @param {CommentItem} comment
* @return {jQuery} Highlight node
*/
function highlight( comment ) {
var padding = 5,
$highlight = $( '<div>' ).addClass( 'ext-discussiontools-init-highlight' );
// We insert the highlight in the DOM near the comment, so that it remains positioned correctly
// when it shifts (e.g. collapsing the table of contents), and disappears when it is hidden (e.g.
// opening visual editor).
var range = comment.getNativeRange();
// Support: Firefox, IE 11
// The highlight node must be inserted after the start marker node (data-mw-comment-start), not
// before, otherwise Node#getBoundingClientRect() returns wrong results.
range.insertNode( $highlight[ 0 ] );
var baseRect = $highlight[ 0 ].getBoundingClientRect();
var rect = RangeFix.getBoundingClientRect( range );
// rect may be null if the range is in a detached or hidden node
if ( rect ) {
$highlight.css( {
'margin-top': rect.top - baseRect.top - padding,
'margin-left': rect.left - baseRect.left - padding,
width: rect.width + ( padding * 2 ),
height: rect.height + ( padding * 2 )
} );
}
return $highlight;
}
/**
* Get various pieces of page metadata.
*
* This method caches responses. If you call it again with the same parameters, you'll get the exact
* same Promise object, and no API request will be made.
*
* @param {string} pageName Page title
* @param {number} oldId Revision ID
* @param {boolean} [isNewTopic=false]
* @return {jQuery.Promise}
*/
function getPageData( pageName, oldId, isNewTopic ) {
var api = getApi();
pageDataCache[ pageName ] = pageDataCache[ pageName ] || {};
if ( pageDataCache[ pageName ][ oldId ] ) {
return pageDataCache[ pageName ][ oldId ];
}
var lintPromise, transcludedFromPromise;
if ( oldId && !isNewTopic ) {
lintPromise = api.get( {
action: 'query',
list: 'linterrors',
lntcategories: 'fostered',
lntlimit: 1,
lnttitle: pageName
} ).then( function ( response ) {
return OO.getProp( response, 'query', 'linterrors' ) || [];
} );
transcludedFromPromise = api.get( {
action: 'discussiontoolspageinfo',
page: pageName,
oldid: oldId
} ).then( function ( response ) {
return OO.getProp( response, 'discussiontoolspageinfo', 'transcludedfrom' ) || {};
} );
} else {
lintPromise = $.Deferred().resolve( [] ).promise();
transcludedFromPromise = $.Deferred().resolve( {} ).promise();
}
var veMetadataPromise = api.get( {
action: 'visualeditor',
paction: 'metadata',
page: pageName
} ).then( function ( response ) {
return OO.getProp( response, 'visualeditor' ) || [];
} );
pageDataCache[ pageName ][ oldId ] = $.when( lintPromise, transcludedFromPromise, veMetadataPromise )
.then( function ( linterrors, transcludedfrom, metadata ) {
return {
linterrors: linterrors,
transcludedfrom: transcludedfrom,
metadata: metadata
};
}, function () {
// Clear on failure
pageDataCache[ pageName ][ oldId ] = null;
// Let caller handle the error
return $.Deferred().rejectWith( this, arguments );
} );
return pageDataCache[ pageName ][ oldId ];
}
/**
* Check if a given thread item on a page can be replied to
*
* @param {string} pageName Page title
* @param {number} oldId Revision ID
* @param {ThreadItem} threadItem Thread item
* @return {jQuery.Promise} Resolved with a CommentDetails object if the comment appears on the page.
* Rejects with error data if the comment is transcluded, or there are lint errors on the page.
*/
function checkThreadItemOnPage( pageName, oldId, threadItem ) {
var isNewTopic = threadItem.id === utils.NEW_TOPIC_COMMENT_ID;
return getPageData( pageName, oldId, isNewTopic )
.then( function ( response ) {
var metadata = response.metadata,
lintErrors = response.linterrors,
transcludedFrom = response.transcludedfrom;
if ( !isNewTopic ) {
// First look for data by the thread item's ID. If not found, also look by name.
// Data by ID may not be found due to differences in headings (e.g. T273413, T275821),
// or if a thread item's parent changes.
// Data by name might be combined from two or more thread items, which would only allow us to
// treat them both as transcluded from unknown source, unless we check ID first.
var isTranscludedFrom = transcludedFrom[ threadItem.id ];
if ( isTranscludedFrom === undefined ) {
isTranscludedFrom = transcludedFrom[ threadItem.name ];
}
if ( isTranscludedFrom === undefined ) {
// The thread item wasn't found when generating the "transcludedfrom" data,
// so we don't know where the reply should be posted. Just give up.
return $.Deferred().reject( 'discussiontools-commentid-notfound-transcludedfrom', { errors: [ {
code: 'discussiontools-commentid-notfound-transcludedfrom',
html: mw.message( 'discussiontools-error-comment-disappeared' ).parse()
} ] } ).promise();
} else if ( isTranscludedFrom ) {
var mwTitle = isTranscludedFrom === true ? null : mw.Title.newFromText( isTranscludedFrom );
// If this refers to a template rather than a subpage, we never want to edit it
var follow = mwTitle && mwTitle.getNamespaceId() !== mw.config.get( 'wgNamespaceIds' ).template;
var transcludedErrMsg;
if ( follow ) {
transcludedErrMsg = mw.message(
'discussiontools-error-comment-is-transcluded-title',
mwTitle.getPrefixedText()
).parse();
} else {
transcludedErrMsg = mw.message(
'discussiontools-error-comment-is-transcluded',
// eslint-disable-next-line no-jquery/no-global-selector
$( '#ca-edit' ).text()
).parse();
}
return $.Deferred().reject( 'comment-is-transcluded', { errors: [ {
data: {
transcludedFrom: isTranscludedFrom,
follow: follow
},
code: 'comment-is-transcluded',
html: transcludedErrMsg
} ] } ).promise();
}
if ( lintErrors.length ) {
// We currently only request the first error
var lintType = lintErrors[ 0 ].category;
return $.Deferred().reject( 'lint', { errors: [ {
code: 'lint',
html: mw.message( 'discussiontools-error-lint',
'https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Lint_errors/' + lintType,
'https://www.mediawiki.org/wiki/Special:MyLanguage/Help_talk:Lint_errors/' + lintType,
mw.util.getUrl( pageName, { action: 'edit', lintid: lintErrors[ 0 ].lintId } ) ).parse()
} ] } ).promise();
}
}
if ( !metadata.canEdit ) {
return $.Deferred().reject( 'permissions-error', { errors: [ {
code: 'permissions-error',
html: metadata.notices[ 'permissions-error' ]
} ] } ).promise();
}
return new CommentDetails( pageName, oldId, metadata.notices );
} );
}
/**
* Get a promise which resolves with editor checkbox data
*
* @param {string} pageName Page title
* @param {number} oldId Revision ID
* @return {jQuery.Promise} See ve.init.mw.ArticleTargetLoader#createCheckboxFields
*/
function getCheckboxesPromise( pageName, oldId ) {
return getPageData(
pageName,
oldId
).then( function ( pageData ) {
var data = pageData.metadata,
checkboxesDef = {};
mw.messages.set( data.checkboxesMessages );
// Only show the watch checkbox for now
if ( 'wpWatchthis' in data.checkboxesDef ) {
checkboxesDef.wpWatchthis = data.checkboxesDef.wpWatchthis;
// Override the label with a more verbose one to distinguish this from topic subscriptions (T290712)
checkboxesDef.wpWatchthis[ 'label-message' ] = 'discussiontools-replywidget-watchthis';
}
return mw.loader.using( 'ext.visualEditor.targetLoader' ).then( function () {
return mw.libs.ve.targetLoader.createCheckboxFields( checkboxesDef );
} );
// TODO: createCheckboxField doesn't make links in the label open in a new
// window as that method currently lives in ve.utils
} );
}
/**
* Update a subscribe button
*
* @param {HTMLElement} element Subscribe button
* @param {number|null} state State constant (STATE_UNSUBSCRIBED, STATE_SUBSCRIBED or STATE_AUTOSUBSCRIBED)
*/
function updateSubscribeButton( element, state ) {
if ( state !== null ) {
element.setAttribute( 'data-mw-subscribed', String( state ) );
}
if ( state ) {
element.textContent = mw.msg( 'discussiontools-topicsubscription-button-unsubscribe' );
element.setAttribute( 'title', mw.msg( 'discussiontools-topicsubscription-button-unsubscribe-tooltip' ) );
} else {
element.textContent = mw.msg( 'discussiontools-topicsubscription-button-subscribe' );
element.setAttribute( 'title', mw.msg( 'discussiontools-topicsubscription-button-subscribe-tooltip' ) );
}
}
/**
* Initialize topic subscriptions feature
*
* @param {jQuery} $container Page container
*/
function initTopicSubscriptions( $container ) {
$container.find( '.ext-discussiontools-init-section-subscribe-link' ).on( 'click keypress', function ( e ) {
if ( e.type === 'keypress' && e.which !== OO.ui.Keys.ENTER && e.which !== OO.ui.Keys.SPACE ) {
// Only handle keypresses on the "Enter" or "Space" keys
return;
}
if ( e.type === 'click' && ( e.which !== OO.ui.MouseButtons.LEFT || e.shiftKey || e.altKey || e.ctrlKey || e.metaKey ) ) {
// Only handle unmodified left clicks
return;
}
e.preventDefault();
var commentName = this.getAttribute( 'data-mw-comment-name' );
if ( !commentName ) {
// This should never happen
return;
}
var element = this,
api = getApi(),
subscribedState = element.hasAttribute( 'data-mw-subscribed' ) ?
Number( element.getAttribute( 'data-mw-subscribed' ) ) : null,
heading = $( this ).closest( '.ext-discussiontools-init-section' )[ 0 ],
section = utils.getHeadlineNodeAndOffset( heading ).node.id,
title = mw.config.get( 'wgRelevantPageName' ) + '#' + section;
$( element ).addClass( 'ext-discussiontools-init-section-subscribe-link-pending' );
api.postWithToken( 'csrf', {
action: 'discussiontoolssubscribe',
page: title,
commentname: commentName,
subscribe: !subscribedState
} ).then( function ( response ) {
return OO.getProp( response, 'discussiontoolssubscribe' ) || {};
} ).then( function ( result ) {
$( element ).removeClass( 'ext-discussiontools-init-section-subscribe-link-pending' );
updateSubscribeButton( element, result.subscribe ? STATE_SUBSCRIBED : STATE_UNSUBSCRIBED );
mw.notify(
mw.msg(
result.subscribe ?
'discussiontools-topicsubscription-notify-subscribed-body' :
'discussiontools-topicsubscription-notify-unsubscribed-body'
),
{
title: mw.msg(
result.subscribe ?
'discussiontools-topicsubscription-notify-subscribed-title' :
'discussiontools-topicsubscription-notify-unsubscribed-title'
)
}
);
}, function ( code, data ) {
mw.notify( api.getErrorMessage( data ), { type: 'error' } );
$( element ).removeClass( 'ext-discussiontools-init-section-subscribe-link-pending' );
} );
} );
}
/**
* Show the first time popup for auto topic subscriptions, if required
*/
function maybeShowFirstTimeAutoTopicSubPopup() {
if ( !lastHighlightComment || seenAutoTopicSubPopup ) {
return;
}
seenAutoTopicSubPopup = true;
mw.user.options.set( 'discussiontools-seenautotopicsubpopup', '1' );
getApi().saveOption( 'discussiontools-seenautotopicsubpopup', '1' );
var $popupContent, popup;
function close() {
popup.$element.removeClass( 'ext-discussiontools-autotopicsubpopup-fadein' );
setTimeout( function () {
popup.$element.detach();
}, 1000 );
}
$popupContent = $( '<div>' )
.append(
$( '<strong>' )
.addClass( 'ext-discussiontools-autotopicsubpopup-title' )
.text( mw.msg( 'discussiontools-autotopicsubpopup-title' ) ),
$( '<div>' )
.addClass( 'ext-discussiontools-autotopicsubpopup-image' ),
$( '<div>' )
.addClass( 'ext-discussiontools-autotopicsubpopup-body' )
.text( mw.msg( 'discussiontools-autotopicsubpopup-body' ) ),
$( '<div>' )
.addClass( 'ext-discussiontools-autotopicsubpopup-actions' )
.append( new OO.ui.ButtonWidget( {
label: mw.msg( 'discussiontools-autotopicsubpopup-dismiss' ),
flags: [ 'primary', 'progressive' ]
} ).on( 'click', close ).$element )
.append( new OO.ui.ButtonWidget( {
label: mw.msg( 'discussiontools-autotopicsubpopup-preferences' ),
href: mw.util.getUrl( 'Special:Preferences#mw-prefsection-editing-discussion' ),
flags: [ 'progressive' ],
framed: false
} ).$element )
);
popup = new OO.ui.PopupWidget( {
// Styles and dimensions
width: '',
height: '',
anchor: false,
autoClose: false,
head: false,
padded: false,
classes: [ 'ext-discussiontools-autotopicsubpopup' ],
hideWhenOutOfView: false,
// Content
$content: $popupContent.contents()
} );
// Like in highlight()
lastHighlightComment.getNativeRange().insertNode( popup.$element[ 0 ] );
// Pull it outside of headings to avoid silly fonts
if ( popup.$element.closest( 'h1, h2, h3, h4, h5, h6' ).length ) {
popup.$element.closest( 'h1, h2, h3, h4, h5, h6' ).after( popup.$element );
}
// Disable positioning, the popup is positioned in CSS, above the highlight
popup.toggle( true ).toggleClipping( false ).togglePositioning( false );
// If the page is very short, there might not be enough space above the highlight,
// causing the popup to overlap the skin navigation or even be off-screen.
// Position it on top of the highlight in that case...
// eslint-disable-next-line no-jquery/no-global-selector
if ( popup.$popup[ 0 ].getBoundingClientRect().top < $( '.mw-body' )[ 0 ].getBoundingClientRect().top ) {
popup.$popup.addClass( 'ext-discussiontools-autotopicsubpopup-overlap' );
}
// Scroll into view, leave some space above to avoid overlapping .postedit-container
OO.ui.Element.static.scrollIntoView(
popup.$popup[ 0 ],
{
padding: {
// Add padding to avoid overlapping the post-edit notification (above on desktop, below on mobile)
top: OO.ui.isMobile() ? 10 : 60,
bottom: OO.ui.isMobile() ? 85 : 10
},
// Specify scrollContainer for compatibility with MobileFrontend.
// Apparently it makes `<dd>` elements scrollable and OOUI tried to scroll them instead of body.
scrollContainer: OO.ui.Element.static.getRootScrollableElement( popup.$popup[ 0 ] )
}
);
popup.$element.addClass( 'ext-discussiontools-autotopicsubpopup-fadein' );
}
/**
* Update the subscription state of various topics
*
* @param {jQuery} $container Page container
* @param {Object.<string, HeadingItem>} headingsToUpdate Headings of topics where subscription state has changed
*/
function updateSubscriptionStates( $container, headingsToUpdate ) {
// This method is called when we recently edited this page, and auto-subscriptions might have been
// added for some topics. It updates the [subscribe] buttons to reflect the new subscriptions.
var $links = $container.find( '.ext-discussiontools-init-section-subscribe-link' );
var linksByName = {};
$links.each( function () {
linksByName[ this.getAttribute( 'data-mw-comment-name' ) ] = this;
} );
// If the topic is already marked as auto-subscribed, there's nothing to do.
// (Except maybe show the first-time popup.)
// If the topic is marked as having never been subscribed, check if they are auto-subscribed now.
var topicsToCheck = [];
var pending = [];
for ( var headingName in headingsToUpdate ) {
var el = linksByName[ headingName ];
var subscribedState = el.hasAttribute( 'data-mw-subscribed' ) ?
Number( el.getAttribute( 'data-mw-subscribed' ) ) : null;
if ( subscribedState === STATE_AUTOSUBSCRIBED ) {
maybeShowFirstTimeAutoTopicSubPopup();
} else if ( subscribedState === null || subscribedState === STATE_UNSUBSCRIBED ) {
topicsToCheck.push( headingName );
pending.push( el );
}
}
$( pending ).addClass( 'ext-discussiontools-init-section-subscribe-link-pending' );
if ( !topicsToCheck.length ) {
return;
}
var api = getApi();
api.get( {
action: 'discussiontoolsgetsubscriptions',
commentname: topicsToCheck
} ).then( function ( response ) {
if ( $.isEmptyObject( response.subscriptions ) ) {
// If none of the topics has an auto-subscription yet, wait a moment and check again.
// updateSubscriptionStates() method is only called if we're really expecting one to be there.
// (There are certainly neater ways to implement this, involving push notifications or at
// least long-polling or something. But this is the simplest one!)
var wait = $.Deferred();
setTimeout( wait.resolve, 5000 );
return wait.then( function () {
return api.get( {
action: 'discussiontoolsgetsubscriptions',
commentname: topicsToCheck
} );
} );
}
return response;
} ).then( function ( response ) {
// Update state of each topic for which there is a subscription
for ( var subItemName in response.subscriptions ) {
var state = response.subscriptions[ subItemName ];
updateSubscribeButton( linksByName[ subItemName ], state );
if ( state === STATE_AUTOSUBSCRIBED ) {
maybeShowFirstTimeAutoTopicSubPopup();
}
}
$( pending ).removeClass( 'ext-discussiontools-init-section-subscribe-link-pending' );
}, function () {
$( pending ).removeClass( 'ext-discussiontools-init-section-subscribe-link-pending' );
} );
}
var $highlightedTarget = null;
/**
* Highlight the comment on the page associated with the URL hash
*
* @param {mw.dt.Parser} parser Comment parser
* @param {boolean} [noScroll] Don't scroll to the topmost highlighted comment, e.g. on popstate
*/
function highlightTargetComment( parser, noScroll ) {
// Delay with setTimeout() because "the Document's target element" (corresponding to the :target
// selector in CSS) is not yet updated to match the URL when handling a 'popstate' event.
setTimeout( function () {
if ( $highlightedTarget ) {
$highlightedTarget.remove();
$highlightedTarget = null;
}
// eslint-disable-next-line no-jquery/no-global-selector
var targetElement = $( ':target' )[ 0 ];
var uri;
try {
uri = new mw.Uri( location.href );
} catch ( err ) {
// T106244: URL encoded values using fallback 8-bit encoding (invalid UTF-8) cause mediawiki.Uri to crash
uri = null;
}
var targetIds = uri && uri.query.dtnewcomments && uri.query.dtnewcomments.split( '|' );
if ( targetElement && targetElement.hasAttribute( 'data-mw-comment-start' ) ) {
var comment = parser.findCommentById( targetElement.getAttribute( 'id' ) );
$highlightedTarget = highlight( comment );
$highlightedTarget.addClass( 'ext-discussiontools-init-targetcomment' );
$highlightedTarget.addClass( 'ext-discussiontools-init-highlight-fadein' );
} else if ( targetIds ) {
var comments = targetIds.map( function ( id ) {
return parser.findCommentById( id );
} ).filter( function ( cmt ) {
return !!cmt;
} );
if ( comments.length === 0 ) {
return;
}
var highlights = comments.map( function ( cmt ) {
return highlight( cmt )[ 0 ];
} );
$highlightedTarget = $( highlights );
$highlightedTarget.addClass( 'ext-discussiontools-init-targetcomment' );
$highlightedTarget.addClass( 'ext-discussiontools-init-highlight-fadein' );
if ( !noScroll ) {
var topmostComment = 0;
for ( var i = 1; i < comments.length; i++ ) {
if ( highlights[ i ].getBoundingClientRect().top < highlights[ topmostComment ].getBoundingClientRect().top ) {
topmostComment = i;
}
}
document.getElementById( comments[ topmostComment ].id ).scrollIntoView();
}
}
} );
}
/**
* Clear the highlighting of the comment in the URL hash
*
* @param {mw.dt.Parser} parser Comment parser
*/
function clearHighlightTargetComment( parser ) {
// eslint-disable-next-line no-jquery/no-global-selector
var targetElement = $( ':target' )[ 0 ];
if ( targetElement && targetElement.hasAttribute( 'data-mw-comment-start' ) ) {
// Clear the hash from the URL, triggering the 'hashchange' event and updating the :target
// selector (so that our code to clear our highlight works), but without scrolling anywhere.
// This is tricky because:
// * Using history.pushState() does not trigger 'hashchange' or update the :target selector.
// https://developer.mozilla.org/en-US/docs/Web/API/History/pushState#description
// https://github.com/whatwg/html/issues/639
// * Using window.location.hash does, but it also scrolls to the target, which is the top of the
// page for the empty hash.
// Instead, we first use window.location.hash to navigate to a *different* hash (whose target
// doesn't exist on the page, hopefully), and then use history.pushState() to clear it.
window.location.hash += '-DoesNotExist-DiscussionToolsHack';
history.replaceState( null, document.title, window.location.href.replace( /#.*$/, '' ) );
} else if ( window.location.search.match( /(^\?|&)dtnewcomments=/ ) ) {
history.pushState( null, document.title,
window.location.search.replace( /(^\?|&)dtnewcomments=[^&]+/, '' ) + window.location.hash );
highlightTargetComment( parser );
}
}
/**
* Initialize Discussion Tools features
*
* @param {jQuery} $container Page container
* @param {Object<string,Mixed>} [state] Page state data object
* @param {string} [state.repliedTo] The comment ID that was just replied to
*/
function init( $container, state ) {
var
activeCommentId = null,
activeController = null,
// Loads later to avoid circular dependency
CommentController = require( './CommentController.js' ),
NewTopicController = require( './NewTopicController.js' ),
threadItemsById = {},
threadItems = [];
// Lazy-load postEdit module, may be required later (on desktop)
mw.loader.using( 'mediawiki.action.view.postEdit' );
$pageContainer = $container;
linksController = new ReplyLinksController( $pageContainer );
var parser = new Parser(
$pageContainer[ 0 ],
mw.Title.newFromText( mw.config.get( 'wgRelevantPageName' ) )
);
var pageThreads = [];
var commentNodes = $pageContainer[ 0 ].querySelectorAll( '[data-mw-comment]' );
threadItems.length = commentNodes.length;
// The page can be served from the HTTP cache (Varnish), containing data-mw-comment generated
// by an older version of our PHP code. Code below must be able to handle that.
// See CommentFormatter::addDiscussionTools() in PHP.
// Iterate over commentNodes backwards so replies are always deserialized before their parents.
var i, comment;
for ( i = commentNodes.length - 1; i >= 0; i-- ) {
var hash = JSON.parse( commentNodes[ i ].getAttribute( 'data-mw-comment' ) );
comment = ThreadItem.static.newFromJSON( hash, threadItemsById );
if ( !comment.name ) {
comment.name = parser.computeName( comment );
}
threadItemsById[ comment.id ] = comment;
if ( comment.type === 'heading' ) {
// Use unshift as we are in a backwards loop
pageThreads.unshift( comment );
}
threadItems[ i ] = comment;
}
// Recalculate legacy IDs
parser.threadItemsByName = {};
parser.threadItemsById = {};
// In the forward order this time, as the IDs for indistinguishable comments depend on it
for ( i = 0; i < threadItems.length; i++ ) {
comment = threadItems[ i ];
if ( !parser.threadItemsByName[ comment.name ] ) {
parser.threadItemsByName[ comment.name ] = [];
}
parser.threadItemsByName[ comment.name ].push( comment );
var newId = parser.computeId( comment );
parser.threadItemsById[ newId ] = comment;
if ( newId !== comment.id ) {
comment.id = newId;
threadItemsById[ newId ] = comment;
}
}
if ( featuresEnabled.topicsubscription ) {
initTopicSubscriptions( $container );
}
/**
* Setup comment controllers for each comment, and the new topic controller
*
* @param {string} commentId Comment ID, or NEW_TOPIC_COMMENT_ID constant
* @param {jQuery} $link Add section link for new topic controller
* @param {string} [mode] Optionally force a mode, 'visual' or 'source'
* @param {boolean} [hideErrors] Suppress errors, e.g. when restoring auto-save
*/
function setupController( commentId, $link, mode, hideErrors ) {
var commentController, $addSectionLink;
if ( commentId === utils.NEW_TOPIC_COMMENT_ID ) {
// eslint-disable-next-line no-jquery/no-global-selector
$addSectionLink = $( '#ca-addsection a' );
// When opening new topic tool using any link, always activate the link in page tabs too
$link = $link.add( $addSectionLink );
commentController = new NewTopicController( $pageContainer, parser );
} else {
commentController = new CommentController( $pageContainer, parser.findCommentById( commentId ), parser );
}
activeCommentId = commentId;
activeController = commentController;
linksController.setActiveLink( $link );
commentController.on( 'teardown', function ( teardownMode ) {
activeCommentId = null;
activeController = null;
linksController.clearActiveLink();
if ( teardownMode === 'abandoned' ) {
linksController.focusLink( $link );
}
} );
commentController.setup( mode, hideErrors );
}
// Hook up each link to open a reply widget
//
// TODO: Allow users to use multiple reply widgets simultaneously.
// Currently submitting a reply from one widget would also destroy the other ones.
linksController.on( 'link-click', function ( commentId, $link ) {
// If the reply widget is already open, activate it.
// Reply links are also made unclickable using 'pointer-events' in CSS, but that doesn't happen
// for new section links, because we don't have a good way of visually disabling them.
// (And it also doesn't work on IE 11.)
if ( activeCommentId === commentId ) {
activeController.showAndFocus();
return;
}
// If this is a new topic link, and a reply widget is open, attempt to close it first.
var teardownPromise;
if ( activeController && commentId === utils.NEW_TOPIC_COMMENT_ID ) {
teardownPromise = activeController.replyWidget.tryTeardown();
} else {
teardownPromise = $.Deferred().resolve();
}
teardownPromise.then( function () {
// If another reply widget is open (or opening), do nothing.
if ( activeController ) {
return;
}
setupController( commentId, $link );
} );
} );
// Restore autosave
( function () {
var mode, $link;
for ( i = 0; i < threadItems.length; i++ ) {
comment = threadItems[ i ];
if ( storage.get( 'reply/' + comment.id + '/saveable' ) ) {
mode = storage.get( 'reply/' + comment.id + '/mode' );
$link = $( commentNodes[ i ] );
setupController( comment.id, $link, mode, true );
break;
}
}
if ( storage.get( 'reply/' + utils.NEW_TOPIC_COMMENT_ID + '/saveable' ) ) {
mode = storage.get( 'reply/' + utils.NEW_TOPIC_COMMENT_ID + '/mode' );
setupController( utils.NEW_TOPIC_COMMENT_ID, $( [] ), mode, true );
} else if ( mw.config.get( 'wgDiscussionToolsStartNewTopicTool' ) ) {
setupController( utils.NEW_TOPIC_COMMENT_ID, $( [] ) );
}
}() );
// For debugging (now unused in the code)
mw.dt.pageThreads = pageThreads;
var promise = OO.ui.isMobile() && mw.loader.getState( 'mobile.init' ) ?
mw.loader.using( 'mobile.init' ) :
$.Deferred().resolve().promise();
promise.then( function () {
var $highlight;
if ( state.repliedTo === utils.NEW_TOPIC_COMMENT_ID ) {
// Highlight the last comment on the page
var lastComment = threadItems[ threadItems.length - 1 ];
$highlight = highlight( lastComment );
lastHighlightComment = lastComment;
// If it's the only comment under its heading, highlight the heading too.
// (It might not be if the new discussion topic was posted without a title: T272666.)
if (
lastComment.parent &&
lastComment.parent.type === 'heading' &&
lastComment.parent.replies.length === 1
) {
$highlight = $highlight.add( highlight( lastComment.parent ) );
lastHighlightComment = lastComment.parent;
}
mw.hook( 'postEdit' ).fire( {
message: mw.msg( 'discussiontools-postedit-confirmation-topicadded', mw.user )
} );
} else if ( state.repliedTo ) {
// Find the comment we replied to, then highlight the last reply
var repliedToComment = threadItemsById[ state.repliedTo ];
$highlight = highlight( repliedToComment.replies[ repliedToComment.replies.length - 1 ] );
lastHighlightComment = repliedToComment.replies[ repliedToComment.replies.length - 1 ];
if ( OO.ui.isMobile() ) {
mw.notify( mw.msg( 'discussiontools-postedit-confirmation-published', mw.user ) );
} else {
// postEdit is currently desktop only
mw.hook( 'postEdit' ).fire( {
message: mw.msg( 'discussiontools-postedit-confirmation-published', mw.user )
} );
}
}
if ( $highlight ) {
$highlight.addClass( 'ext-discussiontools-init-publishedcomment' );
// Show a highlight with the same timing as the post-edit message (mediawiki.action.view.postEdit):
// show for 3000ms, fade out for 250ms (animation duration is defined in CSS).
OO.ui.Element.static.scrollIntoView(
$highlight[ 0 ],
{
padding: {
// Add padding to avoid overlapping the post-edit notification (above on desktop, below on mobile)
top: OO.ui.isMobile() ? 10 : 60,
bottom: OO.ui.isMobile() ? 85 : 10
},
// Specify scrollContainer for compatibility with MobileFrontend.
// Apparently it makes `<dd>` elements scrollable and OOUI tried to scroll them instead of body.
scrollContainer: OO.ui.Element.static.getRootScrollableElement( $highlight[ 0 ] )
}
).then( function () {
$highlight.addClass( 'ext-discussiontools-init-highlight-fadein' );
setTimeout( function () {
$highlight.addClass( 'ext-discussiontools-init-highlight-fadeout' );
setTimeout( function () {
// Remove the node when no longer needed, because it's using CSS 'mix-blend-mode', which
// affects the text rendering of the whole page, disabling subpixel antialiasing on Windows
$highlight.remove();
}, 250 );
}, 3000 );
} );
}
// Check topic subscription states if the user has automatic subscriptions enabled
// and has recently edited this page.
if ( featuresEnabled.autotopicsub && mw.user.options.get( 'discussiontools-autotopicsub' ) ) {
var recentComments = [];
var headingsToUpdate = {};
if ( state.repliedTo ) {
// Edited by using the reply tool or new topic tool. Only check the edited topic.
if ( state.repliedTo === utils.NEW_TOPIC_COMMENT_ID ) {
recentComments.push( threadItems[ threadItems.length - 1 ] );
} else {
recentComments.push( threadItemsById[ state.repliedTo ] );
}
} else if ( mw.config.get( 'wgPostEdit' ) ) {
// Edited by using wikitext editor. Check topics with their own comments within last minute.
for ( i = 0; i < threadItems.length; i++ ) {
if (
threadItems[ i ] instanceof CommentItem &&
threadItems[ i ].author === mw.user.getName() &&
threadItems[ i ].timestamp.isSameOrAfter( moment().subtract( 1, 'minute' ), 'minute' )
) {
recentComments.push( threadItems[ i ] );
}
}
}
recentComments.forEach( function ( recentComment ) {
var headingItem = recentComment.getSubscribableHeading();
if ( headingItem ) {
// Use names as object keys to deduplicate if there are multiple comments in a topic.
headingsToUpdate[ headingItem.name ] = headingItem;
}
} );
updateSubscriptionStates( $container, headingsToUpdate );
}
} );
// Preload page metadata.
// TODO: Isn't this too early to load it? We will only need it if the user tries replying...
getPageData(
mw.config.get( 'wgRelevantPageName' ),
mw.config.get( 'wgCurRevisionId' )
);
$( window ).on( 'popstate', function () {
highlightTargetComment( parser, true );
} );
// eslint-disable-next-line no-jquery/no-global-selector
$( 'body' ).on( 'click', function ( e ) {
if ( e.which === OO.ui.MouseButtons.LEFT ) {
clearHighlightTargetComment( parser );
}
} );
highlightTargetComment( parser );
}
/**
* Update the contents of the page with the data from an action=parse API response.
*
* @param {jQuery} $container Page container
* @param {Object} data Data from action=parse API
*/
function updatePageContents( $container, data ) {
var $content = $( $.parseHTML( data.parse.text ) );
$container.find( '.mw-parser-output' ).replaceWith( $content );
mw.config.set( data.parse.jsconfigvars );
mw.loader.load( data.parse.modulestyles );
mw.loader.load( data.parse.modules );
mw.config.set( {
wgCurRevisionId: data.parse.revid,
wgRevisionId: data.parse.revid
} );
// TODO update categories, displaytitle, lastmodified
// We may not be able to use prop=displaytitle without making changes in the action=parse API,
// VE API has some confusing code that changes the HTML escaping on it before returning???
// We need our init code to run after everyone else's handlers for this hook,
// so that all changes to the page layout have been completed (e.g. collapsible elements),
// 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.
*
* @return {jQuery.Promise} Promise which resolves when the refresh is complete
*/
function refreshPageContents() {
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: mw.config.get( 'wgRelevantPageName' )
} ).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 ) {
// 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 } );
return;
}
replyWidget.teardown();
linksController.teardown();
linksController = null;
// TODO: Tell controller to teardown all other open widgets
if ( OO.ui.isMobile() ) {
// MobileFrontend does not use the 'wikipage.content' hook, and its interface will not
// re-initialize properly (e.g. page sections won't be collapsible). Reload the whole page.
window.location = mw.util.getUrl( pageName, { dtrepliedto: threadItem.id } );
return;
}
// 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 } );
} );
}
// 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( function () {
logger( {
action: 'saveSuccess',
timing: mw.now() - replyWidget.saveInitiated,
// eslint-disable-next-line camelcase
revision_id: data.newrevid
} );
} );
}
module.exports = {
init: init,
update: update,
updatePageContents: updatePageContents,
refreshPageContents: refreshPageContents,
checkThreadItemOnPage: checkThreadItemOnPage,
getCheckboxesPromise: getCheckboxesPromise,
getApi: getApi,
storage: storage
};