MediaWiki:Gadget-metadata.js

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/**
 * Metadata assessment script
 * Finds the WP 1.0/WikiProject assessment of every article you go to, then
 * displays that information in the article header.
 * @author Outriggr - created the script and used to maintain it
 * @author Pyrospirit - currently maintains and updates the script

from [[:en:MediaWiki:Gadget-metadata.js]]
 */
(function($, mw) {
	// Import stylesheet with custom classes for header colors
	mw.loader.load('/wiki/User:Shizhao/metadata.css?action=raw&ctype=text/css', 'text/css');

	var assessment = window.assessment = window.assessment || {};

	assessment = {
		autorun: true,
		showOldPeerReviews: false,
		/**
		 * Starts the script object running. The main function of the script. If the
		 * getMainType() function can find the assessment, it uses that assessment
		 * for the page, parses it, and displays it in the header. Otherwise, it runs
		 * ajaxMain().
		 */
		init: function init() {
			this.callHooks('init_before');
			var initialAssessment = this.checkArticle(); // checks for types visible from article page
			if (initialAssessment.exists) {
				this.currentAssessment = initialAssessment;
				var data = this.talkAssess(this.currentAssessment);
				this.update(data.newClass, data.slogan, data.info);
			} else
				this.ajaxMain(); // proceed to check the talk page
			this.callHooks('init_after');
		},
		/**
		 * The main function when an AJAX request is needed to find the assessment.
		 * Creates an AJAX request for the contents of a URL (defaults to the
		 * first section of the article's talk page), then sends the request. After
		 * getting the requested data back, it finds the assessment information in
		 * the data, then uses and displays that assessment in the header.
		 * @param {String} url - Optional: override the default URL for the request.
		 * @param {Function} stateChange - Optional: override the default request callback
		 * @param optionalArgument - Optional: passed to the stateChange function
		 */
		ajaxMain: function ajaxMain(url, stateChange, optionalArgument) {
			if (!url || !/^https?:\/\//i.test(url)) // optional url override
				url = mw.config.get('wgServer') + mw.config.get('wgScript') + '?title=Talk:' + encodeURIComponent(mw.config.get('wgPageName')) + '&action=raw&section=0';
			if (typeof stateChange !== 'function') {
				stateChange = this.stateChange;
				this.url = url;
			}
			var request = sajax_init_object();
			if (request) {
				var that = this; // store value of 'this'
				request.onreadystatechange = function() {
					stateChange.call(that, request, optionalArgument);
				}
				request.open('GET', url, true);
				request.send(null);
			}
		},
		/**
		 * This function is passed as a parameter to ajaxMain. It is called each time
		 * this.request updates, and the code inside the conditional runs when the
		 * data is available.
		 */
		stateChange: function stateChange(request) {
			if (request.readyState === 4 && request.status === 200) {
				this.text = request.responseText;
				this.request = request;
				var rating = this.getRating(this.text);
				this.currentAssessment = this.getAssessment(this.text, rating);
				var data = this.talkAssess(this.currentAssessment);
				this.update(data.newClass, data.slogan, data.info);
				this.callHooks('onCompletedRequest');
			}
		},
		/**
		 * Checks for various objects on the article page that indicate a certain
		 * assessment, such as a featured star or disambiguation page notice. If this
		 * function can find the assessment, AJAX is not needed for this page.
		 * @return {Object} assess - the assessment in an easily readable format
		 * @static
		 */
		checkArticle: function checkArticle() {
			var assess = {};
			assess.extra === '';
			assess.exists = true;
			if (document.getElementById('disambig') || document.getElementById('disambig_disambigbox') || document.getElementById('disambigbox'))
				assess.rating = 'dab';
			else if (document.getElementById('setindexbox'))
				assess.rating = 'setindex';
			else if (document.getElementById('contentSub') && document.getElementById('contentSub').innerHTML === 'Redirect page')
				assess.rating = 'redir';
			else if (document.getElementById('ca-talk') && document.getElementById('ca-talk').className === 'new') // no talk page
				assess.rating = 'none';
			else
				assess.exists = false; // none of the above, no assessment found
			return assess;
		},
		/**
		 * Searches the provided wikicode for the rating part of an assessment and
		 * returns it as a string.
		 * Note that a higher assessment takes priority, and less-used assessments
		 * such as "list", "current", or "future" are used only if nothing else can
		 * be found.
		 * @param {String} text - some wikitext to be searched for assessment info
		 * @return {String} rating - the article's current assessment
		 */
		getRating: function getRating(text) {
			this.callHooks('getRating_before');
			var rating = 'none';
			if (text.match(/\|\s*(class|currentstatus)\s*=\s*fa\b/i))
				rating = 'fa';
			else if (text.match(/\|\s*(class|currentstatus)\s*=\s*fl\b/i))
				rating = 'fl';
			else if (text.match(/\|\s*class\s*=\s*a\b/i)) {
				if (text.match(/\|\s*class\s*=\s*ga\b|\|\s*currentstatus\s*=\s*(ffa\/)?ga\b/i))
					rating = 'a/ga'; // A-class articles that are also GA's
				else
					rating = 'a';
			} else if (text.match(/\|\s*class\s*=\s*ga\b|\|\s*currentstatus\s*=\s*(ffa\/)?ga\b|\{\{\s*ga\s*\|/i)
				 && !text.match(/\|\s*currentstatus\s*=\s*dga\b/i))
				rating = 'ga';
			else if (text.match(/\|\s*class\s*=\s*b\b/i))
				rating = 'b';
			else if (text.match(/\|\s*class\s*=\s*bplus\b/i))
				rating = 'bplus'; // used by WP Math
			else if (text.match(/\|\s*class\s*=\s*c\b/i))
				rating = 'c';
			else if (text.match(/\|\s*class\s*=\s*start/i))
				rating = 'start';
			else if (text.match(/\|\s*class\s*=\s*stub/i))
				rating = 'stub';
			else if (text.match(/\|\s*class\s*=\s*list/i))
				rating = 'list';
			else if (text.match(/\|\s*class\s*=\s*sl/i))
				rating = 'sl'; // used by WP Plants
			else if (text.match(/\|\s*class\s*=\s*(dab|disambig)/i))
				rating = 'dab';
			else if (text.match(/\|\s*class\s*=\s*cur(rent)?/i))
				rating = 'cur';
			else if (text.match(/\|\s*class\s*=\s*future/i))
				rating = 'future';
			this.callHooks('getRating_after');
			return rating;
		},
		/**
		 * Searches the provided wikicode for data on the article's current and past
		 * featured or good status and returns an object that contains this data
		 * along with some miscellaneous other bits of information.
		 * @param {String} text - some wikitext to be searched for assessment info
		 * @return {Object} assess - the assessment data for the page
		 */
		getAssessment: function getAssessment(text, rating) {
			this.callHooks('getAssessment_before');
			var assess = {
				rating: rating,
				pageLink: [null, null],
				extra: [],
				activeReview: null
			};
			var actionNumber = 0,
				pageLinkFlag = false,
				tempMatch,
				articleName;

			// Current nominations (FAC, FLC, or GAN)
			if ((assess.reg = text.match(/\{\{\s*FAC\s*(?:[\|\}]\s*([^\|\}]*))?[^\}]*?\}\}/i))) {
				assess.extra.push('fac');
				if (assess.reg[1] && (articleName = this.decodeEntities(assess.reg[1].trim())))
					assess.pageLink[0] = 'Wikipedia:特色条目评选\/' + articleName;
			} else if ((assess.reg = text.match(/\{\{\s*FLC\s*(?:[\|\}]\s*([^\|\}]*))?[^\}]*?\}\}/i))) {
				assess.extra.push('flc');
				if (assess.reg[1] && (articleName = this.decodeEntities(assess.reg[1].trim())))
					assess.pageLink[0] = 'Wikipedia:特色列表评选\/' + articleName;
			} else if ((assess.reg = text.match(/\{\{\s*GAnominee\s*[\|\}][^\}]*\}\}/i))) {
				assess.extra.push('gan');
				if (assess.reg[1] && (articleName = this.decodeEntities(assess.reg[1].trim())))
					assess.pageLink[0] = 'Wikipedia:優良條目候選\#' + articleName;
			}
			// Current reviews of a status (FAR, FLRC, or GAR)
			else if ((assess.reg = text.match(/\{\{\s*FAR\s*(?:[\|\}]\s*([^\|\}]*))?[^\}]*?\}\}/i))) {
				assess.extra.push('far');
				if (assess.reg[1] && (articleName = this.decodeEntities(assess.reg[1].trim())))
					assess.pageLink[0] = 'Wikipedia:特色列表评选\/' + articleName;
			} else if ((assess.reg = text.match(/\{\{\s*featured[ _]list[ _]removal[ _]candidates\s*(?:[\|\}]\s*([^\|\}]*))?[^\}]*?\}\}/i))) {
				assess.extra.push('flrc');
				if (assess.reg[1] && (articleName = this.decodeEntities(assess.reg[1].trim())))
					assess.pageLink[0] = 'Wikiprdia:特色列表评选\/' + articleName;
			} else if ((assess.reg = text.match(/\{\{\s*GArevoke\s*[\|\}][^\}]*\}\}/i))) {
				assess.extra.push('gar');
				if (assess.reg[1] && (articleName = this.decodeEntities(assess.reg[1].trim())))
					assess.pageLink[0] = 'Wikipedia:優良條目重審\#' + articleName;
			}
			// Former statuses (FFA, FFL, or DGA)
			if ((assess.reg = text.match(/\|\s*currentstatus\s*=\s*ffa\b/i))) {
				tempMatch = text.match(/\|\s*action(\d+)\s*=\s*far\b/gi);
				actionNumber = tempMatch[tempMatch.length - 1].match(/\d+/);
				pageLinkFlag = true;
				assess.extra.push('ffa');
			} else if ((assess.reg = text.match(/\|\s*action(\d+)\s*=\s*far\b/gi))
				// This checks if the last FAR entry in ArticleHistory resulted in removal.
				&& text.match(RegExp('\\|\\s*action' + assess.reg[assess.reg.length - 1].match(/\d+/) + 'result\\s*=\\s*removed\\b', 'i'))
				&& assess.rating.search(/f[al]/i) === -1) {
				actionNumber = assess.reg[assess.reg.length - 1].match(/\d+/);
				pageLinkFlag = true;
				assess.extra.push('ffa');
			} else if ((assess.reg = text.match(/\{\{\s*formerfa2?\b/i))) {
				assess.extra.push('ffa');
			} else if ((assess.reg = text.match(/\|\s*currentstatus\s*=\s*ffl\b/i))) {
				assess.extra.push('ffl');
			} else if ((assess.reg = text.match(/\{\{\s*ffl\s*[\|\}]/i))) {
				assess.extra.push('ffl');
			} else if ((assess.reg = text.match(/\|\s*currentstatus\s*=\s*dga\b/i))) {
				tempMatch = text.match(/\|\s*action(\d+)\s*=\s*gar\b/gi);
				actionNumber = tempMatch[tempMatch.length - 1].match(/\d+/);
				pageLinkFlag = true;
				assess.extra.push('dga');
			} else if ((assess.reg = text.match(/\{\{\s*d(elisted)?ga\s*[\|\}]/i))) {
				assess.extra.push('dga');
			}
			// Former nominations (former FAC, FLC, or GAN)
			else if ((assess.reg = text.match(/\|\s*action(\d+)\s*=\s*fac\b/gi)) && assess.rating.search(/f[al]/i) === -1) {
				actionNumber = assess.reg[assess.reg.length - 1].match(/\d+/);
				pageLinkFlag = true;
				assess.extra.push('ffac');
			} else if ((assess.reg = text.match(/\|\s*currentstatus\s*=\s*ffac\b/i))) {
				assess.extra.push('ffac');
			} else if ((assess.reg = text.match(/\{\{\s*fac?(failed|(\-|[ _]\()?contested\)?)\s*[\|\}]/i))) {
				assess.extra.push('ffac');
			} else if ((assess.reg = text.match(/\|\s*action(\d+)\s*=\s*flc\b/gi)) && assess.rating.search(/f[al]/i) === -1) {
				actionNumber = assess.reg[assess.reg.length - 1].match(/\d+/);
				pageLinkFlag = true;
				assess.extra.push('fflc');
			} else if ((assess.reg = text.match(/\|\s*currentstatus\s*=\s*fflc\b/i))) {
				assess.extra.push('fflc');
			} else if ((assess.reg = text.match(/\|\s*action(\d+)\s*=\s*gan\b/gi)) && assess.rating.search(/f[al]|(a\/)?ga/i) === -1) {
				actionNumber = assess.reg[assess.reg.length - 1].match(/\d+/);
				pageLinkFlag = true;
				assess.extra.push('fgan');
			} else if ((assess.reg = text.match(/\|\s*currentstatus\s*=\s*fgan\b/i))) {
				assess.extra.push('fgan');
			} else if ((assess.reg = text.match(/\{\{\s*f(ailed ?)?ga\s*[\|\}]/i))) {
				assess.extra.push('fgan');
			}

			// Looks for currently active peer reviews
			var peerReview;
			if ((peerReview = text.match(/\{\{\s*Peerreview\s*\|\s*archive\s*=\s*(\d+)\b/i))) {
				assess.review = 'Wikipedia:同行评审/' + mw.config.get('wgPageName') + peerReview[1];
				assess.activeReview = true;
			} else if (this.showOldPeerReviews) {
				// TODO: Add code for old peer reviews
			} else
				assess.review = null;

			// Scans for the link associated with an action in ArticleHistory
			if (pageLinkFlag) {
				var linkPattern = RegExp('\\|\\s*action' + actionNumber + 'link\\s*=\\s*([^\\n\\|]+)\\s*\\|');
				var linkMatch = text.match(linkPattern);
				assess.pageLink[1] = linkMatch ? this.decodeEntities(linkMatch[1]) : null;
			}

			assess.exists = true;
			this.callHooks('getAssessment_after');
			return assess;
		},
		/**
		 * Parses an assessment object into the HTML and CSS code needed to update
		 * the article header. If it doesn't recognize a part of the information
		 * given, it will simply ignore it and mark as unassessed.
		 * @param {Object} assess - assessment information for this article
		 * @return {String} newClass - the CSS class corresponding to its assessment
		 * @return {String} slogan - HTML giving (with a link) the main assessment
		 * @return {String} info - HTML giving (with a link) additional information
		 */
		talkAssess: function talkAssess(assess) {
			this.callHooks('talkAssess_before');

			var path = mw.config.get('wgArticlePath').replace('$1', '');
			var assessLink = path + 'Wikipedia:专题委员会/评级问答';
			if (typeof assess.extra === 'undefined') assess.extra = '';
			var extra = assess.extra,
			rating = assess.rating;
			var pageLink = assess.pageLink
				? [this.encodePageName(assess.pageLink[0]), this.encodePageName(assess.pageLink[1])]
				: [null, null];
			var peerReview = this.encodePageName(assess.review);

			var info = this.getExtraInfo(extra, pageLink);
			var peerReviewText = this.addPeerReview(peerReview, assess.activeReview);
			if (peerReviewText) info.push(peerReviewText);
			var newClass,
				slogan;

			if (rating === 'a' || rating === 'a/ga') {
				newClass = 'assess-a-text';
				slogan = '<a href="' + assessLink + '">甲级</a>条目';
				if (rating === 'a/ga') info.push('也是<a href="' + path + 'Wikipedia:優良條目">优良条目</a>.');
			} else if (rating === 'ga') {
				newClass = 'assess-ga-text';
				slogan = '<a href="' + path + 'Wikipedia:優良條目">优良条目</a>'
			} else if (rating === 'b') {
				newClass = 'assess-b-text';
				slogan = '<a href="' + assessLink + '">乙级</a>条目';
			} else if (rating === 'bplus') {
				newClass = 'assess-bplus-text';
				slogan = 'A <a href="' + path + 'Wikipedia:WikiProject_Mathematics/Wikipedia_1.0' + '/Grading_scheme">乙+级</a>条目';
			} else if (rating === 'c') {
				newClass = 'assess-c-text';
				slogan = '<a href="' + assessLink + '">丙级</a>条目';
			} else if (rating === 'start') {
				newClass = 'assess-start-text';
				slogan = '<a href="' + assessLink + '">初级</a>条目';
			} else if (rating === 'stub') {
				newClass = 'assess-stub-text';
				slogan = '<a href="' + assessLink + '">小作品级</a>条目';
			} else if (rating === 'sl') {
				newClass = 'assess-sl-text';
				slogan = '<a href="' + assessLink + '">小作品级</a>列表';
			} else if (rating === 'list') {
				newClass = 'assess-list-text';
				slogan = '<a href="' + path + 'Wikipedia:列表">列表级</a>条目';
			} else if (rating === 'dab') {
				newClass = 'assess-dab-text';
				slogan = '<a href="' + path + 'Wikipedia:消歧义">消歧义页</a>';
			} else if (rating === 'setindex') {
				newClass = 'assess-setindex-text';
				slogan = '<a href="' + path + 'Wikipedia:Disambiguation#Set_index_articles">' + 'set index article</a>';
			} else if (rating === 'redir') {
				newClass = 'assess-redir-text';
				slogan = '<a href="' + path + 'Help:重定向">重定向页</a>';
			} else if (rating === 'fl') {
				newClass = 'assess-fl-text';
				slogan = '<a href="' + path + 'Wikipedia:特色列表">特色列表</a>';
			} else if (rating === 'fa') {
				newClass = 'assess-fa-text';
				slogan = '<a href="' + path + 'Wikipedia:特色条目">特色条目</a>';
			} else if (rating === 'cur') {
				newClass = 'assess-cur-text';
				slogan = '<a href="' + path + 'Portal:新闻动态">新闻动态级</a>条目';
			} else if (rating === 'future') {
				newClass = 'assess-future-text';
				slogan = '<a href="' + path + 'Category:未来级条目">未来级</a>' + '条目';
			} else {
				newClass = 'assess-unassessed-text';
				slogan = '<a href="' + assessLink + '">未评级</a>条目';
			}

			this.callHooks('talkAssess_after');
			return {
				newClass: newClass,
				slogan: slogan,
				info: info
			};
		},
		/**
		 * Creates an info string based on the assessment info and a page link.
		 */
		getExtraInfo: function getExtraInfo(extra, pageLink) {
			var info = [];
			var page = this.encodePageName(mw.config.get('wgPageName'));
			// Current nominations and reviews
			if (extra.indexOf('fac') !== -1) {
				info.push(this.makeInfoString('当前正在', pageLink[0], 'Wikipedia:特色条目评选/' + page, '特色条目评选', null));
			} else if (extra.indexOf('flc') !== -1) {
				info.push(this.makeInfoString('当前正在', pageLink[0], 'Wikipedia:特色列表评选/' + page, '特色列表评选', null));
			} else if (extra.indexOf('gan') !== -1) {
				info.push(this.makeInfoString('当前正在', pageLink[0], 'Wikipedia:優良條目候選', '優良條目候選', null));
			} else if (extra.indexOf('far') !== -1) {
				info.push(this.makeInfoString('当前正在', pageLink[0], 'Wikipedia:特色条目评选/' + page, '特色条目重选'));
			} else if (extra.indexOf('flrc') !== -1) {
				info.push(this.makeInfoString('当前正在', pageLink[0], 'Wikipedia:特色列表评选/' + page, '特色列表重选', null));
			} else if (extra.indexOf('gar') !== -1) {
				info.push(this.makeInfoString('<span id="assess-gar-link">当前正在', pageLink[0], 'Wikipedia:優良條目重審', '優良條目重審', '<\/span>'));
			}
			// Past statuses and nominations
			if (extra.indexOf('ffa') !== -1) {
				info.push(this.makeInfoString('', pageLink[1], 'Wikipedia:特色條目评选/' + page, '曾经是', '特色条目'));
			} else if (extra.indexOf('ffl') !== -1) {
				info.push(this.makeInfoString('', pageLink[1], 'Wikipedia:特色列表评选/' + page, '曾经是', '特色列表'));
			} else if (extra.indexOf('dga') !== -1) {
				info.push(this.makeInfoString('', pageLink[1], 'Wikipedia:優良條目重審', '曾经是', '优良条目'));
			} else if (extra.indexOf('ffac') !== -1) {
				info.push(this.makeInfoString('曾參與', pageLink[1], 'Wikipedia:特色条目评选/' + page, '特色条目评选', null));
			} else if (extra.indexOf('fflc') !== -1) {
				info.push(this.makeInfoString('曾參與', pageLink[1], 'Wikipedia:特色列表评选/' + page, '特色列表评选', null));
			} else if (extra.indexOf('fgan') !== -1) {
				info.push(this.makeInfoString('曾參與', pageLink[1], 'Wikipedia:優良條目候選', '優良條目候選', null));
			}
			return info;
		},
		/**
		 * Get the correct link for Good Article reassessments. These things require an
		 * additional AJAX request to determine whether it's a community or individual
		 * reassessment. The trick is to assume it's a community reassessment, then
		 * switch the link once the request returns if it's actually not.
		 */
		getGARLink: function getGARLink(articleName, reviewNumber) {
			var communityTitle = 'Wikipedia:Good_article_reassessment\/' + articleName + '\/' + reviewNumber,
			individualTitle = 'Talk:' + articleName + '\/GA' + reviewNumber,
			url = mw.config.get('wgServer') + mw.config.get('wgScriptPath') + '\/api.php?action=query&titles=' + communityTitle + '|' + individualTitle + '&prop=info&format=json';
			this.ajaxMain(url, this.getGARLinkCallback, [communityTitle, individualTitle]);
			return communityTitle;
		},
		/**
		 * Now we have the information back from the API and need to figure out if the
		 * link needs to be changed.
		 */
		getGARLinkCallback: function getGARLinkCallback(request, altTitles) {
			if (request.readyState === 4 && request.status === 200) {
				var text = request.responseText;
				if (JSON && JSON.parse) {
					var query = JSON.parse(text)['query'];
				} else {
					return;
				}
				var communityTitleNorm,
				individualTitleNorm;
				if (query['normalized'] && query['normalized'].length === 2) {
					if (query['normalized'][0]['from'] === altTitles[0])
						communityTitleNorm = query['normalized'][0]['to'];
					else if (query['normalized'][1]['from'] === altTitles[0])
						communityTitleNorm = query['normalized'][1]['to'];
					if (query['normalized'][0]['from'] === altTitles[1])
						individualTitleNorm = query['normalized'][0]['to'];
					else if (query['normalized'][1]['from'] === altTitles[1])
						individualTitleNorm = query['normalized'][1]['to'];
				} else {
					communityTitleNorm = altTitles[0];
					individualTitleNorm = altTitles[1];
				}
				var noCommunityAssessment = false;
				for (var i = -1; i >= -2; i--) {
					if (query['pages'][i] && typeof query['pages'][i]['missing'] === 'string') {
						if (query['pages'][i]['title'] === individualTitleNorm) {
							// No individual assessment, no need to change anything.
							return;
						} else if (query['pages'][i]['title'] === communityTitleNorm) {
							// There's no community assessment, so flag it.
							noCommunityAssessment = true;
						}
					}
				}
				var garLink = document.getElementById('assess-gar-link').getElementsByTagName('a')[0];
				if (noCommunityAssessment && garLink) {
					// There's an individual assessment but no community assessment.
					// Switch the link.
					garLink.setAttribute('href', mw.config.get('wgArticlePath').replace('$1', '') + altTitles[1]);
				}
			}
		},
		/**
		 * Creates the peer review text from an info string, if a peer review was detected earlier.
		 */
		addPeerReview: function addPeerReview(peerReview, activeReview) {
			var reviewText = null,
			path = mw.config.get('wgArticlePath').replace('$1', '');
			if (peerReview) {
				reviewText = (activeReview
					? '当前正在<a href="' + path + peerReview + '">同行评审</a>。'
					: '曾经过 <a href="' + path + peerReview + '">同行评审</a>。');
				reviewText = '<span class="assess-info-review">' + reviewText + '</span>';
			}
			return reviewText;
		},
		/**
		 * Updates article header with new assessment information by giving it a new
		 * class (for style information such as color) and altering the tagline below
		 * it to state the assessment found.
		 * @param {String} newClass - the CSS class name added to the article header
		 * @param {String} slogan - italicized text prepended to the tagline, showing
		 *        the article's main assessment
		 * @param {String} info - additional assessment info appended to the tagline
		 * @static
		 */
		update: function update(newClass, slogan, info) {
			var firstHeading = document.getElementsByTagName('h1')[0];
			var siteSub = '<span class="assess-article-rating">' + slogan + '<\/span>';
			siteSub += '—维基百科,自由的百科全书';
			if (info && info.length > 0) {
				siteSub += '<span class="assess-info-all">. ' + (typeof info.join === 'undefined'
					? info.toString()
					: info.join(' ')) + '<\/span>';
			}
			firstHeading.className += ' ' + (typeof newClass.join === 'undefined'
				? newClass.toString()
				: newClass.join(' ')); // add newClass as additional class(es)
			document.getElementById('siteSub').innerHTML = siteSub;
		},
		/**
		 * Creates a string formatted for the 'info' parameter in the update method.
		 * @param start - text at the beginning of the string, before the link
		 * @param pageLink - a link to the target page
		 * @param defLink - the backup page link if !pageLink
		 * @param linkText - the text of the link
		 * @param end - text after the link
		 * @return {String} output - the info string
		 * @static
		 */
		makeInfoString: function makeInfoString(start, pageLink, defLink, linkText, end) {
			var output;
			var path = mw.config.get('wgArticlePath').replace('$1', '');
			var page = pageLink ? path + pageLink : (defLink ? path + defLink : null);
			start = start ? start.toString() + ' ' : '';
			linkText = linkText ? linkText.toString() : '';
			end = end ? ' ' + end.toString() + '.' : '.';
			output = start + (page ? '<a href="' + page + '"' + (linkText ? '>' : ' \/>') : '') + linkText + ((page && linkText) ? '<\/a>' : '') + end;
			return output;
		},
		/**
		 * Encodes the URL of a Wikipedia page for use in the talkAssess method.
		 * @param {String} inputText - the unencoded full page name
		 * @return {String} outputText - the encoded page name
		 * @static
		 */
		encodePageName: function encodePageName(inputText) {
			if (!inputText) return null;
			var outputText = encodeURIComponent(inputText);
			while (outputText !== null && outputText.match(/(\%20|\%2F)/i)) {
				outputText = outputText.replace(/\%20/i, '_'); // unescape spaces for readability
				outputText = outputText.replace(/\%2F/i, '\/'); // %2F must be unescaped
			}
			return outputText;
		},
		callHooks: function callHooks(hook) {
			for (funct in this[hook]) {
				this[hook][funct].call(this);
			}
		},
		addHook: function addHook(hook, funct) {
			if (typeof this[hook] === 'undefined')
				this[hook] = [];
			this[hook][this[hook].length] = funct;
			return this;
		},
		/**
		 * Decodes all HTML entities in the string provided.
		 */
		decodeEntities: function decodeEntities(str) {
			var t = document.createElement("textarea");
			t.innerHTML = str;
			return t.value;
		}
	};

	// Implement Array.indexOf for older browsers that don't have it
	if (!Array.prototype.indexOf) {
		Array.prototype.indexOf = function indexOf(elt, from) {
			var len = this.length >>> 0;
			var from = Number(arguments[1]) || 0;
			from = (from < 0) ? Math.ceil(from) : Math.floor(from);
			if (from < 0) from += len;
			for (; from < len; from++) {
				if (from in this && this[from] === elt) return from;
			}
			return -1;
		};
	}

	// Implement String.trim for browsers that don't have it
	if (!String.prototype.trim) {
		String.prototype.trim = function trim() {
			var str = this.replace(/^\s\s*/, ''),
			ws = /\s/,
			i = str.length;
			while (ws.test(str.charAt(--i)));
			return str.slice(0, i + 1);
		}
	}

	// Backwards compatibility
	MetadataScript = MetadataObject = assessment
	/**
	 * Initializes the script on page load
	 */
	if (mw.config.get('wgNamespaceNumber') === 0 && (mw.config.get('wgAction') === 'view' || mw.config.get('wgAction') === 'purge')
		 && document.location.href.search(/\?(.+\&)?printable=[^&]/i) === -1
		 && mw.config.get('wgPageName') !== 'Main_Page') {
		$(function() {
			if (assessment.autorun) assessment.init();
		});
	}

	mw.loader.load('/wiki/User:Shizhao/projectbanners.js?action=raw&ctype=text/javascript');
})(jQuery, mw);