MediaWiki:Gadget-DetectorHomonimos.js

//===========================================================================
// Basado en https://de.wikipedia.org/wiki/MediaWiki:Gadget-bkl-check.js
// obra do usuario APPER
// Highlight links to disambiguation pages with the CSS class 'bkl-link',
// In both the normal page view and in the preview
//===========================================================================

// Example: [[Antrazith]] (misspelling) -> [[Anthrazit]] (disambiguation)

window.bklCheck = {
	cat : {
		'Categoría:Homónimos' : {
			className   : 'bkl-link bkl-link-inner', // bkl-link-inner kept for b/c reasons
			titleAppend : ' (homónimos)',
			htmlAppend  : '<sup class="bkl-link-sup">HOMÓNIMOS</sup>'}
	},

	queryParamsView      : {
		action: 'query',
		prop: 'categories',
		pageids: mw.config.get('wgArticleId'),
		generator: 'links',
		redirects: '',
		gpllimit: 'max',
		gplnamespace: 0,
		cllimit: 'max',
		indexpageids: '',
		requestid: mw.config.get('wgCurRevisionId') // Break client caching, when page has been edited
	},
	queryParamsPreview   : {
		action: 'query',
		prop: 'categories',
		cllimit: 'max',
		redirects: '',
		indexpageids: ''
	},
	titles            : {},
	count             : 0,
	previewQueryCount : 0,

	execute : function () {
		if ( window.bklCheckOnlyCheckMainNS && mw.config.get('wgNamespaceNumber') !== 0 ) return;
		var api = new mw.Api();
		// Use &clcategories to reduce needed queries
		var cats = [];
		for ( var name in bklCheck.cat ) if ( bklCheck.cat[name].className )
			cats.push( name );
		bklCheck.queryParamsView.clcategories = cats.join( '|' );
		bklCheck.queryParamsPreview.clcategories = cats.join( '|' );
		var action = mw.config.get('wgAction');
		if ( action === 'submit' )	bklCheck.doPreviewQueries( api );
		else if ( action === 'view' || action === 'historysubmit' || action === 'purge' )
			bklCheck.doQuery( api, bklCheck.viewResultArrived, bklCheck.queryParamsView );
		else { // "Show preview on first edit" enabled?
			var prev = document.getElementById( 'wikiPreview' );
			if ( prev && prev.firstChild ) bklCheck.doQuery( api, bklCheck.viewResultArrived, bklCheck.queryParamsView );
		}
	},

	storeTitles : function ( res ) {
		if ( !res || !res.query || !res.query.pageids ) return;
		var q = res.query;
		var redirects = {};
		for ( var i = 0; q.redirects && i < q.redirects.length; i++ ) {
			var r = q.redirects[i];
			if ( !redirects[r.to] ) redirects[r.to] = [];
			redirects[r.to].push( r.from );
		}
		for ( i = 0; i < q.pageids.length; i++ ) {
			var page = q.pages[q.pageids[i]];
			if ( page.missing === '' || page.ns !== 0 || !page.categories ) continue;
			for ( var j = 0; j < page.categories.length; j++ ) {
				var cat = bklCheck.cat[page.categories[j].title];
				if ( !cat ) continue;
				bklCheck.count++;
				bklCheck.titles[page.title] = cat;
				if ( !redirects[page.title] ) break;
				for ( var k = 0; k < redirects[page.title].length; k++ )
					bklCheck.titles[redirects[page.title][k]] = cat;
				break;
			}
		}
	},

	markLinks : function () {
		if ( !bklCheck.count ) return;
		var links = bklCheck.getLinks( 'wikiPreview' ) || bklCheck.getLinks( 'bodyContent' )
				|| bklCheck.getLinks( 'mw_contentholder' ) || bklCheck.getLinks( 'article' );
		if ( !links ) return;
		for ( var i = 0; i < links.length; i++ ) {
			if ( links[i].className === 'image' || links[i].className.indexOf('external') !== -1 ) continue; // Don't mess with images or external links!
			var title = links[i].title || ( links[i].childNodes[0] && links[i].childNodes[0].nodeValue );
			if ( title ) title = title.charAt(0).toUpperCase() + title.slice(1); // make first character uppercase
			var cat = bklCheck.titles[title];
			if ( !cat ) continue;
			links[i].innerHTML = '<span class="' + cat.className + '" title="' +
				mw.html.escape(title + cat.titleAppend) + '">' + links[i].innerHTML + cat.htmlAppend + '</span>';
		}
	},

	viewResultArrived : function ( api, res ) {
		bklCheck.storeTitles( res );
		if ( res && res['continue'] ) {
			bklCheck.doQuery( api, bklCheck.viewResultArrived, bklCheck.queryParamsView, res['continue'] );
		} else bklCheck.markLinks();
	},

	PreviewQuery : function ( api, titles ) {
		bklCheck.previewQueryCount++;
		//We have to keep the titles in memory in case we get a query-continue
		bklCheck.queryParamsPreview.titles = titles.join( '|' );
		this.doQuery( api, bklCheck.resultArrived, bklCheck.queryParamsPreview );
	},

	doPreviewQueries : function ( api ) {
		var links = bklCheck.getLinks( 'wikiPreview' );
		if ( !links ) return;
		var titles=[]; var m;
		var unique = {};
		var siteRegex = new RegExp( mw.RegExp.escape( mw.config.get( 'wgServer' ) ) + mw.RegExp.escape( mw.config.get( 'wgArticlePath' ).replace( /\$1/, '' ) ) + '([^#]*)' );
		//We only care for main ns pages, so we can filter out the most common cases to save some requests
		var namespaceRegex = /^((User|Wikipedia|File|MediaWiki|Template|Help|Category|Portal)(_talk)?|Special|Talk):/i;
		for ( var i = 0; i < links.length; i++ ) {
			if ( !( m = links[i].href.match( siteRegex ) )
				|| m[1].match( namespaceRegex ) || unique[m[1]] ) continue;
			unique[m[1]] = true; // Avoid requesting same title multiple times
			titles.push( decodeURIComponent( m[1].replace( /_/g, '%20' ) ) ); // Avoid normalization of titles
			if ( titles.length < 50 ) continue;
			bklCheck.PreviewQuery( api, titles );
			titles=[];
		}
		if ( titles.length ) bklCheck.PreviewQuery( api, titles );
	},

	getLinks : function ( id ) {
		var el = document.getElementById( id );
		return el && el.getElementsByTagName( 'a' );
	}
};

bklCheck.doQuery = function ( api, callback, queryParams, continueParams ) {
	api.get(
		$.extend( {}, queryParams, continueParams || { 'continue': '' } )
	).then( function( data ) {
		callback( api, data );
	} ).fail( function( code, data ) {
		var extraText;
		if ( code === 'http' && data ) {
			extraText = ( data.xhr && data.xhr.status ? '[' + data.xhr.status + ']' : '' )
			+ ( data.textStatus ? '' + data.textStatus + ( data.exception ? ': ' : '' ) : '' )
			+ ( data.exception ? '' + data.exception : '' );
		} else {
			extraText = code + ( data && data.error && data.error.info ? ': ' + data.error.info : '' );
		}
		mw.notify(
			'BKL-Check: Fehler beim Ermitteln der Begriffsklärungen' +
			' (' + extraText + ')',
			{ tag: 'bklCheck-error' }
		);
	} );
};

bklCheck.resultArrived = function ( api, res ) {
	bklCheck.storeTitles( res );
	if ( res && res['continue'] ) {
		this.doQuery( api, bklCheck.resultArrived, bklCheck.queryParamsPreview, res['continue'] );
	} else bklCheck.previewQueryCount--;
	if ( !bklCheck.previewQueryCount ) bklCheck.markLinks();
};

if ( mw.config.get( 'wgNamespaceNumber' ) >= 0 ) $( bklCheck.execute );