Bruger:Christian75/Scripts/FLT.js

//===========================================================================
//  Markiert Links auf Begriffsklärungsseiten mit der CSS-Klasse  'bkl-link',
// sowohl in der normalen Artikelansicht als auch in der  Vorschau
//===========================================================================

var  bklCheck = {
	cat  : {
		'Kategori:Flertydig' :  {
			className   :  'bkl-link bkl-link-inner', //bkl-link-inner kept for b/c reasons
			titleAppend : '  (Flertydig artikel)',
			htmlAppend  : '<sup  class="bkl-link-sup">FLT</sup>'}//,
		//'Kategori:Wikipedia:Falschschreibung'  : {
		//	className   :  'bkl-link bkl-link-inner',
		//	titleAppend : '  (Falschschreibung)',
		//	htmlAppend  : '<sup  class="bkl-link-sup">FS</sup>'}

	},

	queryUrlView       : mw.config.get('wgScriptPath') + '/api.php?action=query&format=json'
		+  '&prop=categories&pageids=' + mw.config.get('wgArticleId') +  '&callback=bklCheck.viewResultArrived'
		+  '&generator=links&redirects&gpllimit=max&gplnamespace=0&cllimit=max&indexpageids'
		+ '&nocache=' +  mw.config.get('wgCurRevisionId'), //Break client caching, when page has been edited
	queryUrlPreview   :  mw.config.get('wgScriptPath') +  '/api.php?action=query&format=json&prop=categories'
		+  '&cllimit=max&redirects&indexpageids',
	titles            :  {},
	count              : 0,
	previewQueryCount  : 0,

	execute  : function () {
		if (  window.bklCheckOnlyCheckMainNS && mw.config.get('wgNamespaceNumber') != 0 )  return;
		//Use  &clcategories to reduce needed queries
		var cats = [];
		for ( var name in  bklCheck.cat ) if ( bklCheck.cat[name].className )
			cats.push(  encodeURIComponent( name ) );
		bklCheck.queryUrlView  += '&clcategories=' + cats.join( '|' );
		bklCheck.queryUrlPreview  += '&clcategories=' + cats.join( '|' );
		if ( mw.config.get('wgAction') ==  'submit' )	bklCheck.doPreviewQueries();
		else if ( mw.config.get('wgAction') ==  'view' || mw.config.get('wgAction') == 'historysubmit' || mw.config.get('wgAction') == 'purge' )
			mw.loader.load( bklCheck.queryUrlView );
		else {//"Show preview  on first edit" enabled?
			var prev =  document.getElementById( 'wikiPreview' );

			if ( prev &&  prev.firstChild ) mw.loader.load( bklCheck.queryUrlView );
		}
		//Make sure that our  style is put before other css so users can override it easily
		$('<style>').text('.bkl-link {background-color:#FF9191;}').prependTo('head:first');
	},

	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 ( var 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' ) continue; //Don't mess with images!
			var cat =  bklCheck.titles[links[i].title];
			if ( !cat ) continue;
			links[i].innerHTML =  '<span class="' + cat.className + '" title="' + links[i].title
					+ cat.titleAppend +  '">' + links[i].innerHTML	+  cat.htmlAppend + '</span>';
		}
	},

	viewResultArrived :  function ( res ) {
		bklCheck.storeTitles(  res );
		if ( res &&  res['query-continue'] ) {
			var c =  res['query-continue'];
			if ( c.categories ) {
				mw.loader.load( bklCheck.queryUrlView + '&clcontinue='
					+ encodeURIComponent(  c.categories.clcontinue ) );
			} else if ( c.links ) {
				bklCheck.queryUrlView =  bklCheck.queryUrlView.replace( /&gplcontinue=.*|$/,
					'&gplcontinue=' +  encodeURIComponent( c.links.gplcontinue ) );
				mw.loader.load( bklCheck.queryUrlView );
			}
		} else  bklCheck.markLinks();
	},

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

	doPreviewQueries :  function () {
		var links =  bklCheck.getLinks( 'wikiPreview' );
		if ( !links ) return;
		var titles=[]; var m;
		var unique = {};
		var rxEscape =  function(s) {return s.replace( /([\/\.\*\+\?\|\(\)\[\]\{\}\\])/g, '\\$1'  );};
		var siteRegex = new  RegExp( rxEscape( mw.config.get('wgServer') ) + rxEscape( 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 =  /^((Bruger|Wikipedia|Skabelon|Artikeldata|MediaWiki|Fil|Hjælp|Kategori|Portal)(_Diskussion)?|Spe[cz]ial|Diskussion):/i;
		for ( var i = 0; i  < links.length; i++ ) {
			if ( !links[i].title  || !( 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(  m[1].replace( /_/g, '%20' ) ); //Avoid normalization of titles
			if ( titles.length  < 50 ) continue;
			new  bklCheck.PreviewQuery( titles );
			titles=[];
		}
		if ( titles.length )  new bklCheck.PreviewQuery( titles );
	},

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

bklCheck.PreviewQuery.prototype.doQuery  = function ( url ) {
	var  q = this;
	if(typeof sajax_init_object === 'undefined') return;
	var  req = sajax_init_object();
	if  ( !req ) return;
	req.open(  'POST', url, true );
	req.setRequestHeader(  'Content-Type', 'application/x-www-form-urlencoded' );
	req.onreadystatechange  = function () {
		if ( req.readyState  == 4 && req.status == 200 )
			eval(  'q.resultArrived(' + req.responseText + ');' );
	};
	req.send( q.data );
	delete req;
};

bklCheck.PreviewQuery.prototype.resultArrived  = function ( res ) {
	bklCheck.storeTitles(  res );
	if (  res && res['query-continue'] &&  res['query-continue'].categories ) {
		this.doQuery(  bklCheck.queryUrlPreview + '&clcontinue='
			+ encodeURIComponent(  res['query-continue'].categories.clcontinue ) );
	} else  bklCheck.previewQueryCount--;
	if  ( !bklCheck.previewQueryCount ) bklCheck.markLinks();
};

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