Common.js – MediaWiki

/*****************************************************************************************
 * Any JavaScript here will be loaded for all users on every page load.
 *
 * As such, the content of this file page should be kept as minimal as possible.
 *
 *****************************************************************************************/

/*****************************************************************************************
 * Redirect User:Name/skin.js and skin.css to the current skin's pages
 * (unless the 'skin' page really exists)
 * @source: http://www.mediawiki.org/wiki/Snippets/Redirect_skin.js
 * @rev: 2
 */

	if ( mw.config.get( 'wgArticleId' ) === 0 && mw.config.get( 'wgNamespaceNumber' ) == 2 ) {
		var titleParts = mw.config.get( 'wgPageName' ).split( '/' );
		// Make sure there was a part before and after the slash
		// And that the latter is 'skin.js' or 'skin.css'
		if ( titleParts.length == 2 ) {
			var userSkinPage = titleParts.shift() + '/' + mw.config.get( 'skin' );
			if ( titleParts.slice(-1) == 'skin.js' ) {
				window.location.href = mw.util.wikiGetlink( userSkinPage + '.js' );
			} else if ( titleParts.slice(-1) == 'skin.css' ) {
				window.location.href = mw.util.wikiGetlink( userSkinPage + '.css' );
			}
		}
	}

/*****************************************************************************************/

/*****************************************************************************************
 * Map addPortletLink to mw.util 
 */

	window.addPortletLink = function() {
		return mw.util.addPortletLink.apply( mw.util, arguments );
	};

/*****************************************************************************************/

/*****************************************************************************************
 * extract a URL parameter from the current URL
 *
 * @deprecated: Use mw.util.getParamValue with proper escaping
 */

	function getURLParamValue(paramName, url) {
		return mw.util.getParamValue(paramName, url);
	}

/*****************************************************************************************/

/*****************************************************************************************
 * &withCSS= and &withJS= URL parameters *******
 * Allow to try custom scripts from MediaWiki space 
 * without editing personal .css or .js files
 */

	var extraCSS = mw.util.getParamValue("withCSS");
	if ( extraCSS && extraCSS.match(/^MediaWiki:[^&<>=%]*\.css$/) ) {
		importStylesheet(extraCSS);
	}
	var extraJS = mw.util.getParamValue("withJS");
	if ( extraJS && extraJS.match(/^MediaWiki:[^&<>=%]*\.js$/) ) {
		importScript(extraJS);
	}

/*****************************************************************************************/

/*****************************************************************************************
 * Import more specific scripts if necessary
 */

	if (wgAction == 'edit' || wgAction == 'submit' || wgPageName == 'Special:Upload') { //scripts specific to editing pages
		importScript('MediaWiki:Common.js/edit.js');
	} else if (mw.config.get('wgPageName') == 'Special:Watchlist') { //watchlist scripts
		mw.loader.load(mw.config.get('wgServer') + mw.config.get('wgScript') + '?title=MediaWiki:Common.js/watchlist.js&action=raw&ctype=text/javascript&smaxage=21600&maxage=86400');
	}
	if ( wgNamespaceNumber == 6 ) {
		importScript('MediaWiki:Common.js/file.js');
	}

/*****************************************************************************************/

/*****************************************************************************************
 * For sysops and accountcreators
 *
 * Description: Allows for sysop-specific Javascript at [[MediaWiki:Sysop.js]],
 *              and accountcreator-specific CSS at [[MediaWiki:Accountcreator.css]].
 */

	if ( $.inArray( 'sysop', wgUserGroups) > -1 ) {
		if ( !window.disableSysopJS ) {
			$(function(){
				importScript('MediaWiki:Sysop.js');
			});
		}
	}

/*****************************************************************************************/

/*****************************************************************************************
 * WikiMiniAtlas
 *
 * Description: WikiMiniAtlas is a popup click and drag world map.
 *              This script causes all of our coordinate links to display the WikiMiniAtlas popup button.
 *              The script itself is located on meta because it is used by many projects.
 *              See [[Meta:WikiMiniAtlas]] for more information. 
 * Maintainers: [[User:Dschwen]]
 */

	mw.loader.load('//meta.wikimedia.org/w/index.php?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript&smaxage=21600&maxage=86400');

/*****************************************************************************************/

/*****************************************************************************************
 * Scripts specific to Internet Explorer
 */

	/*****************************************************************************************
	* Internet Explorer bug fix
	*
	* Description: Fixes IE horizontal scrollbar bug
	* Maintainers: [[User:Tom-]]?
	*/

		if (navigator.appName == 'Microsoft Internet Explorer') {var oldWidth;
			var docEl = document.documentElement;
			
			var fixIEScroll = function() {
				if (!oldWidth || docEl.clientWidth > oldWidth) {
					doFixIEScroll();
				} else {
					setTimeout(doFixIEScroll, 1);
				}
				
				oldWidth = docEl.clientWidth;
			};
			
			var doFixIEScroll = function () {
				docEl.style.overflowX = (docEl.scrollWidth - docEl.clientWidth < 4) ? "hidden" : "";
			};
			
			document.attachEvent("onreadystatechange", fixIEScroll);
			document.attachEvent("onresize", fixIEScroll);
			
			// In print IE (7?) does not like line-height
			mw.util.addCSS( '@media print { sup, sub, p, .documentDescription { line-height: normal; }}');
		
			// IE overflow bug
			mw.util.addCSS('div.overflowbugx { overflow-x: scroll !important; overflow-y: hidden !important; } div.overflowbugy { overflow-y: scroll !important; overflow-x: hidden !important; }');
		
			// IE zoomfix
			// Use to fix right floating div/table inside tables
			mw.util.addCSS('.iezoomfix div, .iezoomfix table { zoom: 1;}');
		
			// .hlist fix for IE - remove dot after last list item
			if ( $.browser.version < '9.0' ) {
			$(function() {
				$( '.hlist' ).find( 'li:last-child' ).css( 'background', 'none' ).css( 'padding-right', '0' );
			});
			}
			
			// Import scripts specific to Internet Explorer 6
			if (navigator.appVersion.substr(22, 1) == '6') {
				importScript('MediaWiki:Common.js/IE60Fixes.js');
			}
		}

	/*****************************************************************************************/

	/*****************************************************************************************
	* Load fixes for Windows font rendering 
	*/

		if( navigator.platform.indexOf( "Win" ) != -1 ) {
			importStylesheet( 'MediaWiki:Common.css/WinFixes.css' );
		}

	/*****************************************************************************************/

/*****************************************************************************************
 * Test if an element has a certain class
 * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 *
 * @deprecated:  Use $(element).hasClass() instead.
 */

	var hasClass = (function () {
		var reCache = {};
		return function (element, className) {
			return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
		};
	})();

/*****************************************************************************************/

/*****************************************************************************************
 * Interwiki links to featured articles
 *
 * Description: Highlights interwiki links to featured articles (or
 *               equivalents) by changing the bullet before the interwiki link
 *               into a star.
 * Maintainers: [[User:R. Koot]]
 */

	function LinkFA() {
		if ( document.getElementById( "p-lang" ) ) {
			var InterwikiLinks = document.getElementById( "p-lang" ).getElementsByTagName( "li" );
	
			for ( var i = 0; i < InterwikiLinks.length; i++ ) {
				if ( document.getElementById( InterwikiLinks[i].className + "-fa" ) ) {
					InterwikiLinks[i].className += " FA";
					InterwikiLinks[i].title = "This is a featured article in another language.";
				} else if ( document.getElementById( InterwikiLinks[i].className + "-ga" ) ) {
					InterwikiLinks[i].className += " GA";
					InterwikiLinks[i].title = "This is a good article in another language.";
				}
			}
		}
	}
	
	$( LinkFA );

/*****************************************************************************************/

/*****************************************************************************************
 * Collapsible tables
 *
 * Description: Allows tables to be collapsed, showing only the header. See
 *               [[Wikipedia:NavFrame]].
 * Maintainers: [[User:R. Koot]] (copied from Wikipedia Common.js)
 */

	var autoCollapse = 2;
	var collapseCaption = "hide";
	var expandCaption = "show";
	
	function collapseTable( tableIndex ){
		var Button = document.getElementById( "collapseButton" + tableIndex );
		var Table = document.getElementById( "collapsibleTable" + tableIndex );
	
		if ( !Table || !Button ) {
			return false;
		}
	
		var Rows = Table.rows;
	
		if ( Button.firstChild.data == collapseCaption ) {
			for ( var i = 1; i < Rows.length; i++ ) {
				Rows[i].style.display = "none";
			}
			Button.firstChild.data = expandCaption;
		} else {
			for ( var i = 1; i < Rows.length; i++ ) {
				Rows[i].style.display = Rows[0].style.display;
			}
			Button.firstChild.data = collapseCaption;
		}
	}
	
	function createCollapseButtons(){
		var tableIndex = 0;
		var NavigationBoxes = new Object();
		var Tables = document.getElementsByTagName( "table" );
	
		for ( var i = 0; i < Tables.length; i++ ) {
			if ( hasClass( Tables[i], "collapsible" ) ) {
	
				/* only add button and increment count if there is a header row to work with */
				var HeaderRow = Tables[i].getElementsByTagName( "tr" )[0];
				if (!HeaderRow) continue;
				var Header = HeaderRow.getElementsByTagName( "th" )[0];
				if (!Header) continue;
	
				NavigationBoxes[ tableIndex ] = Tables[i];
				Tables[i].setAttribute( "id", "collapsibleTable" + tableIndex );
	
				var Button	 = document.createElement( "span" );
				var ButtonLink = document.createElement( "a" );
				var ButtonText = document.createTextNode( collapseCaption );
	
				Button.className = "collapseButton";  //Styles are declared in Common.css
	
				ButtonLink.style.color = Header.style.color;
				ButtonLink.setAttribute( "id", "collapseButton" + tableIndex );
				ButtonLink.setAttribute( "href", "#" );
				addHandler( ButtonLink,  "click", new Function( "evt", "collapseTable(" + tableIndex + " ); return killEvt( evt );") );
				ButtonLink.appendChild( ButtonText );
	
				Button.appendChild( document.createTextNode( "[" ) );
				Button.appendChild( ButtonLink );
				Button.appendChild( document.createTextNode( "]" ) );
	
				Header.insertBefore( Button, Header.childNodes[0] );
				tableIndex++;
			}
		}
	
		for ( var i = 0;  i < tableIndex; i++ ) {
			if ( hasClass( NavigationBoxes[i], "collapsed" ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], "autocollapse" ) ) ) {
				collapseTable( i );
			} 
			else if ( hasClass( NavigationBoxes[i], "innercollapse" ) ) {
				var element = NavigationBoxes[i];
				while (element = element.parentNode) {
					if ( hasClass( element, "outercollapse" ) ) {
						collapseTable ( i );
						break;
					}
				}
			}
		}
	}
	
	$( createCollapseButtons );

/*****************************************************************************************/

/*****************************************************************************************
 * Dynamic Navigation Bars (experimental)
 *
 * Description: See [[Wikipedia:NavFrame]].
 * Maintainers: UNMAINTAINED
 */

	// set up the words in your language
	var NavigationBarHide = '[' + collapseCaption + ']';
	var NavigationBarShow = '[' + expandCaption + ']';
	
	// shows and hides content and picture (if available) of navigation bars
	// Parameters:
	//     indexNavigationBar: the index of navigation bar to be toggled
	function toggleNavigationBar(indexNavigationBar){
		var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
		var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);
	
		if (!NavFrame || !NavToggle) {
			return false;
		}
	
		// if shown now
		if (NavToggle.firstChild.data == NavigationBarHide) {
			for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
				if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
					NavChild.style.display = 'none';
				}
			}
		NavToggle.firstChild.data = NavigationBarShow;
	
		// if hidden now
		} else if (NavToggle.firstChild.data == NavigationBarShow) {
			for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
				if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
					NavChild.style.display = 'block';
				}
			}
			NavToggle.firstChild.data = NavigationBarHide;
		}
	}
	
	// adds show/hide-button to navigation bars
	function createNavigationBarToggleButton(){
		var indexNavigationBar = 0;
		// iterate over all < div >-elements 
		var divs = document.getElementsByTagName("div");
		for (var i = 0; NavFrame = divs[i]; i++) {
			// if found a navigation bar
			if (hasClass(NavFrame, "NavFrame")) {
	
				indexNavigationBar++;
				var NavToggle = document.createElement("a");
				NavToggle.className = 'NavToggle';
				NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
				NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');
	
				var isCollapsed = hasClass( NavFrame, "collapsed" );
				/*
				* Check if any children are already hidden.  This loop is here for backwards compatibility:
				* the old way of making NavFrames start out collapsed was to manually add style="display:none"
				* to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
				* the content visible without JavaScript support), the new recommended way is to add the class
				* "collapsed" to the NavFrame itself, just like with collapsible tables.
				*/
				for (var NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling) {
					if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
						if ( NavChild.style.display == 'none' ) {
							isCollapsed = true;
						}
					}
				}
				if (isCollapsed) {
					for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
						if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
							NavChild.style.display = 'none';
						}
					}
				}
				var NavToggleText = document.createTextNode(isCollapsed ? NavigationBarShow : NavigationBarHide);
				NavToggle.appendChild(NavToggleText);
	
				// Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
				for(var j=0; j < NavFrame.childNodes.length; j++) {
					if (hasClass(NavFrame.childNodes[j], "NavHead")) {
						NavToggle.style.color = NavFrame.childNodes[j].style.color;
						NavFrame.childNodes[j].appendChild(NavToggle);
					}
				}
				NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
			}
		}
	}
	
	$( createNavigationBarToggleButton );

/*****************************************************************************************/

/*****************************************************************************************
 * Main Page layout fixes
 *
 * Description: Adds an additional link to the complete list of languages available.
 * Maintainers: [[User:AzaToth]], [[User:R. Koot]], [[User:Alex Smotrov]]
 */

	if (wgPageName == 'Main_Page' || wgPageName == 'Talk:Main_Page') {
		$(function () {
			mw.util.addPortletLink('p-lang', '//meta.wikimedia.org/wiki/List_of_Wikipedias',
				'Complete list', 'interwiki-completelist', 'Complete list of Wikipedias');
		});
	}

/*****************************************************************************************/

/*****************************************************************************************
 * Table sorting fixes ************************************************
 *
 * Description: Disables code in table sorting routine to set classes on even/odd rows
 * Maintainers: [[User:Random832]]
 */
 
	ts_alternate_row_colors = false;

/*****************************************************************************************/

/*****************************************************************************************
 * uploadwizard_newusers
 * Switches in a message for non-autoconfirmed users at [[Wikipedia:Upload]]
 *
 * Maintainers: [[User:Krimpet]]
 */
 
	function uploadwizard_newusers() {
		if (wgNamespaceNumber == 4 && wgTitle == "Upload" && wgAction == "view") {
			var oldDiv = document.getElementById("autoconfirmedusers"),
				newDiv = document.getElementById("newusers");
			if (oldDiv && newDiv) {
				if (typeof wgUserGroups == "object" && wgUserGroups) {
					for (i = 0; i < wgUserGroups.length; i++) {
						if (wgUserGroups[i] == "autoconfirmed") {
							oldDiv.style.display = "block";
							newDiv.style.display = "none";
							return;
						}
					}
				}
				oldDiv.style.display = "none";
				newDiv.style.display = "block";
				return;
			}
		}
	}
	
	$(uploadwizard_newusers);

/*****************************************************************************************/

/*****************************************************************************************
 * IPv6 AAAA connectivity testing 
 *
 
	var __ipv6wwwtest_factor = 100;
	var __ipv6wwwtest_done = 0;
	if ((wgServer != "https://secure.wikimedia.org") && (Math.floor(Math.random()*__ipv6wwwtest_factor)==42)) {
		importScript("MediaWiki:Common.js/IPv6.js");
	}

/*****************************************************************************************/

/*****************************************************************************************
 * Magic editintros ****************************************************
 *
 * Description: Adds editintros on disambiguation pages and BLP pages.
 * Maintainers: [[User:RockMFR]]
 */

	function addEditIntro( name ) {
		$( '.editsection, #ca-edit' ).find( 'a' ).each( function( i, el ) {
			el.href = $(this).attr("href") + '&editintro=' + name;
		});
	}
	
	if (wgNamespaceNumber === 0) {
		$(function(){
			if (document.getElementById('disambigbox')) {
				addEditIntro('Template:Disambig_editintro');
			}
		});
	
		$(function(){
			var cats = document.getElementById('mw-normal-catlinks');
			if (!cats) {
				return;
			}
			cats = cats.getElementsByTagName('a');
			for (var i = 0; i < cats.length; i++) {
				if (cats[i].title == 'Category:Living people' || cats[i].title == 'Category:Possibly living people') {
					addEditIntro('Template:BLP_editintro');
					break;
				}
			}
		});
	}

/*****************************************************************************************/

/*****************************************************************************************
 * Description: Stay on the secure server as much as possible
 * Maintainers: [[User:TheDJ]]
 */

	if ( mw.config.get('wgServer') == 'https://secure.wikimedia.org' ) {
		/* Old secure server */
		importScript( 'MediaWiki:Common.js/secure.js');
	} else if ( document.location && document.location.protocol  && document.location.protocol == "https:" ) {
		/* New secure servers */
		importScript('MediaWiki:Common.js/secure new.js');
	}

/*****************************************************************************************/

/*****************************************************************************************
 * Text area function for the account creation process
 */

	jQuery(function() {
		if (!(document.getElementById('signupuserpagefillmagic'))) return;
		/*
		* Puts an userpage edit-box inside a div with the ID 'signupuserpagefillmagic'
		* Created for [[:outreach:Account Creation Improvement Project]] by
		* [[:sv:User:Sertion]] on the behalf of [[:outreach:User:Hannibal]]
		* 
		* Below are variables for internationalization. Please use \n for linebreaks
		* and escape all single quotation marks (') with \'
		*/
		var preComment = '<!-- BELOW IS THE TEXT ABOUT YOU. YOU CAN CHANGE IT COMPLETELY OR IN PARTS AND THEN COME BACK TO IT. AFTER YOU ARE DONE, SCROLL DOWN A BIT FURTHER AND CLICK "SAVE PAGE".--\>{'+'{New user bar}}\n',
			postComment = '\n\n<!-- NOW, CLICK THE "SAVE PAGE" BUTTON. CONGRATULATIONS, YOU\'VE JUST MADE YOUR FIRST EDIT TO WIKIPEDIA. --\>',
			preSubmitButton ='Do not forget to click SAVE PAGE when you get to the next page!',
			submitText = 'Create my user page for me now!',
			SUPeditSummary = 'New user page through [[:outreach:Account Creation Improvement Project|Outreach:ACIP]]',
			preFilltemplate = 'Replace this example text with information about you. \n\n';
		/*
		* The actual magic:
		* Inserts a form with a single visible field that simulates the normal
		* edit-field. It uses the variables from above to set a text example (pre
		* filled), an automated edit summary and the label of the submit button.
		* 'fakewpTextbox1' is used to hide the assembling of the final output that
		* is made below.
		*/
		jQuery('#signupuserpagefillmagic').html('<form action="'+wgServer+wgScript+'?title='+wgFormattedNamespaces[2]+':'+wgUserName+'&action=submit" method="post"><textarea id="fakewpTextbox1" style="width:46em;height:20em;">'+preFilltemplate+'</textarea><textarea name="wpTextbox1" id="wpTextbox1" style="display:none;"></textarea><input type="hidden" name="wpSummary" id="wpSummary" value="'+SUPeditSummary+'" /><br/>'+preSubmitButton+'<br/><input type="submit" value="'+submitText+'"/></form>');
		// Waits for the form to be submitted.
		jQuery('#signupuserpagefillmagic form').live('submit',function(r) {
			// Stops the form from submitting
			r.preventDefault();
			/*
			* Uses the previously defined variables preComment and postComment
			* to assemble the final output in the hidden textarea.
			*/
			$('#wpTextbox1').text( preComment + jQuery('#fakewpTextbox1').text() + postComment );
			/*
			* Submits the form.
			* For unknown reasons jQuery('#signupuserpagefillmagic form').submit() crashes
			* Firefox (only tested in version 4.0). This method seam to work cross browser.
			*/
			document.getElementById('signupuserpagefillmagic').getElementsByTagName('form')[0].submit();
		});
	});

/*****************************************************************************************/

/*****************************************************************************************
 * Next ***
 */