MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */

/**
 * Collapsible tables
 *
 * Allows tables to be collapsed, showing only the header. See [[Wikipedia:NavFrame]].
 * @maintainer [[User:R. Koot]] (on Wikipedia)
 */

var autoCollapse = 2;
var collapseCaption = 'hide';
var expandCaption = 'show';

function hasClass( element, className ) {
	var Classes = element.className.split( " " );
	for ( var i = 0; i < Classes.length; i++ ) {
		if ( Classes[i] == className ) {
			return true;
		}
	}
	return false;
}

function collapseTable( tableIndex ) {
	var i;
	var Button = document.getElementById( 'collapseButton' + tableIndex );
	var Table = document.getElementById( 'collapsibleTable' + tableIndex );

	if ( !Table || !Button ) {
		return false;
	}

	var Rows = Table.getElementsByTagName( 'tr' );

	if ( Button.firstChild.data == collapseCaption ) {
		for ( i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = 'none';
		}
		Button.firstChild.data = expandCaption;
	} else {
		for ( i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = Rows[0].style.display;
		}
		Button.firstChild.data = collapseCaption;
	}
}

function createCollapseButtons() {
	var i;
	var tableIndex = 0;
	var NavigationBoxes = {};
	var Tables = document.getElementsByTagName( 'table' );

	for ( i = 0; i < Tables.length; i++ ) {
		if ( hasClass( Tables[i], 'collapsible' ) ) {
			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.style.styleFloat = 'right';
			Button.style.cssFloat = 'right';
			Button.style.fontWeight = 'normal';
			Button.style.textAlign = 'right';
			Button.style.width = '6em';

			ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
			ButtonLink.setAttribute( 'href', 'javascript:collapseTable(' + tableIndex + ');' );
			ButtonLink.appendChild( ButtonText );

			Button.appendChild( document.createTextNode( '[' ) );
			Button.appendChild( ButtonLink );
			Button.appendChild( document.createTextNode( ']' ) );

			var Header = Tables[i].getElementsByTagName( 'tr' )[0].getElementsByTagName( 'th' )[0];
			/* only add button and increment count if there is a header row to work with */
			if (Header) {
				Header.insertBefore( Button, Header.childNodes[0] );
				tableIndex++;
			}
		}
	}

	for ( i = 0; i < tableIndex; i++ ) {
		if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
			collapseTable( i );
		}
	}
}

$( createCollapseButtons );


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

// 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 NavChild;
	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 ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
			if ( hasClass( NavChild, 'NavPic' ) ) {
				NavChild.style.display = 'none';
			}
			if ( hasClass( NavChild, 'NavContent') ) {
				NavChild.style.display = 'none';
			}
		}
		NavToggle.firstChild.data = NavigationBarShow;

	// if hidden now
	} else if (NavToggle.firstChild.data == NavigationBarShow) {
		 for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
			 if (hasClass(NavChild, 'NavPic')) {
				 NavChild.style.display = 'block';
			 }
			 if (hasClass(NavChild, 'NavContent')) {
				 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 NavToggleText = document.createTextNode(NavigationBarHide);
			for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
				if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
					if (NavChild.style.display == 'none') {
						NavToggleText = document.createTextNode(NavigationBarShow);
						break;
					}
				}
			}

			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')) {
					NavFrame.childNodes[j].appendChild(NavToggle);
				}
			}
			NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
		}
	}
}

$( createNavigationBarToggleButton );


// Shuffle for election candidates
function dshuf() {
	var shufsets = {};
	var rx = new RegExp('dshuf' + '\\s+(dshufset\\d+)', 'i');
	var divs = document.getElementsByTagName('div');
	var i = divs.length;
	while (i--) {
		if (rx.test(divs[i].className)) {
			if (typeof shufsets[RegExp.$1] === 'undefined') {
				shufsets[RegExp.$1] = {};
				shufsets[RegExp.$1].inner = [];
				shufsets[RegExp.$1].member = [];
			}
			shufsets[RegExp.$1].inner.push({
				key: Math.random(),
				html: divs[i].innerHTML
			});
			shufsets[RegExp.$1].member.push(divs[i]);
		}
	}
	for (shufset in shufsets) {
		shufsets[shufset].inner.sort(function(a, b) {
			return a.key - b.key;
		});
		i = shufsets[shufset].member.length;
		while (i--) {
			shufsets[shufset].member[i].innerHTML = shufsets[shufset].inner[i].html;
			shufsets[shufset].member[i].style.display = 'block';
		}
	}
}
$(dshuf);

/**
 * Ajax transclusion table adds dynamic content loading to tables with class="attable".
 * @see https://meta.wikimedia.org/wiki/Ajax_transclusion_table
 * @update-token [[File:pathoschild/ajaxtransclusiontable.js]]
 */
mw.loader.load('//tools-static.wmflabs.org/meta/scripts/pathoschild.ajaxtransclusiontable.js');

/**
 * JSconfig
 *
 * Global configuration options to enable/disable and configure
 * specific script features from [[MediaWiki:Common.js]] and
 * [[MediaWiki:Monobook.js]]
 * This framework adds config options (saved as cookies) to [[Special:Preferences]]
 * For a more permanent change you can override the default settings in your
 * [[Special:Mypage/monobook.js]]
 * for Example: JSconfig.keys[loadAutoInformationTemplate] = false;
 *
 * Maintainer: [[User:Dschwen]]
 */

var JSconfig =
{
prefix : 'jsconfig_',
keys : {},
meta : {},

//
// Register a new configuration item
//  * name          : String, internal name
//  * default_value : String or Boolean (type determines configuration widget)
//  * description   : String, text appearing next to the widget in the preferences
//  * prefpage      : Integer (optional), section in the preferences to insert the widget:
//                     0 : User profile
//                     1 : Skin
//                     2 : Math
//                     3 : Files
//                     4 : Date and time
//                     5 : Editing
//                     6 : Recent changes
//                     7 : Watchlist
//                     8 : Search
//                     9 : Misc
//
// Access keys through JSconfig.keys[name]
//
registerKey : function( name, default_value, description, prefpage )
{
  if( typeof(JSconfig.keys[name]) === 'undefined' )
   JSconfig.keys[name] = default_value;
  else {

   // all cookies are read as strings,
   // convert to the type of the default value
   switch( typeof(default_value) )
   {
    case 'boolean' : JSconfig.keys[name] = ( JSconfig.keys[name] == 'true' ); break;
    case 'number'  : JSconfig.keys[name] = JSconfig.keys[name]/1; break;
   }

  }

  JSconfig.meta[name] = { 'description' : description, 'page' : prefpage || 0, 'default_value' : default_value };
},

readCookies : function()
{
  var cookies = document.cookie.split("; ");
  var p =JSconfig.prefix.length;
  var i;

  for( var key in cookies )
  {
   if( cookies[key].substring(0,p) == JSconfig.prefix )
   {
    i = cookies[key].indexOf('=');
    //alert( cookies[key] + ',' + key + ',' + cookies[key].substring(p,i) );
    JSconfig.keys[cookies[key].substring(p,i)] = cookies[key].substring(i+1);
   }
  }
},

writeCookies : function()
{
  for( var key in JSconfig.keys )
   document.cookie = JSconfig.prefix + key + '=' + JSconfig.keys[key] + '; path=/; expires=Thu, 2 Aug 2009 10:10:10 UTC';
},

evaluateForm : function()
{
  var w_ctrl,wt;
  //alert('about to save JSconfig');
  for( var key in JSconfig.meta ) {
   w_ctrl = document.getElementById( JSconfig.prefix + key );
   if( w_ctrl )
   {
    wt = typeof( JSconfig.meta[key].default_value );
    switch( wt ) {
     case 'boolean' : JSconfig.keys[key] = w_ctrl.checked; break;
     case 'string' : JSconfig.keys[key] = w_ctrl.value; break;
    }
   }
  }

  JSconfig.writeCookies();
  return true;
},

setUpForm : function()
{
  var key;
  var prefChild = document.getElementById('preferences');
  if( !prefChild ) return;
  prefChild = prefChild.childNodes;

  //
  // make a list of all preferences sections
  //
  var tabs = [];
  var len = prefChild.length;
  for( key = 0; key < len; key++ ) {
   if( prefChild[key].tagName &&
       prefChild[key].tagName.toLowerCase() == 'fieldset' )
    tabs.push(prefChild[key]);
  }

  //
  // Create Widgets for all registered config keys
  //
  var w_div, w_label, w_ctrl, wt;
  for( key in JSconfig.meta ) {
   w_div = document.createElement( 'div' );

   w_label = document.createElement( 'LABEL' );
   w_label.appendChild( document.createTextNode( JSconfig.meta[key].description ) );
   w_label.htmlFor = JSconfig.prefix + key;

   wt = typeof( JSconfig.meta[key].default_value );

   w_ctrl = document.createElement( 'input' );
   w_ctrl.id = JSconfig.prefix + key;

   // before insertion into the DOM tree
   switch( wt ) {
    case 'boolean' : w_ctrl.type = 'checkbox'; break;
    case 'string'  : w_ctrl.type = 'text'; break;
   }

   w_div.appendChild( w_label );
   w_div.appendChild( w_ctrl );
   tabs[JSconfig.meta[key].page].appendChild( w_div );

   // after insertion into the DOM tree
   switch( wt ) {
    case 'boolean' : w_ctrl.defaultChecked = w_ctrl.checked = JSconfig.keys[key]; break;
    case 'string' : w_ctrl.defaultValue = w_ctrl.value = JSconfig.keys[key]; break;
   }

  }
  $('#preferences').parent().on( 'submit', JSconfig.evaluateForm );
}
};

JSconfig.readCookies();
$(JSconfig.setUpForm);

if(location.href.indexOf('rtl=1') !== -1) {
	mw.loader.load('//meta.wikimedia.org/w/index.php?title=MediaWiki:Gadget-rtl.css&action=raw&ctype=text/css', 'text/css');
}

// Import local or interwiki page as script
// @deprecated since MediaWiki 1.17: Use mw.loader.load(url) or $.getScript(url, callback) instead.
function importScript(page, lang) {
	var query = '?title=' + encodeURIComponent(page.replace(' ','_')) + '&action=raw&ctype=text/javascript';
	if (lang) {
		mw.loader.load('//' + lang + '.wikipedia.org/w/index.php' + query);
	} else {
		mw.loader.load('//meta.wikimedia.org' + mw.config.get( 'wgScript' ) + query);
	}
}

( function () {
	var conf = mw.config.get( [
		'wgCanonicalSpecialPageName',
		'wgUserGroups',
		'wgPageName',
		'wgUserName'
	] );

	$(function () {
		// Set a default of anon-only global blocks
		// We don't want to override the user's request when they're specifying [?&]wpAnonOnly=[01] in the URL or
		// if we're loading up the block settings for an already-blocked IP (then you can't see whether the block was AO or not)
		if ( conf.wgCanonicalSpecialPageName === 'GlobalBlock' && conf.wgUserGroups && conf.wgUserGroups.join(' ').indexOf('steward') !== -1 ) {
			if ( document.getElementById('mw-globalblock-expiry-other') !== null ) {
				var expiry = document.getElementById('mw-globalblock-expiry-other').value;
				if ( expiry === '' && location.href.indexOf('wpAnonOnly=') === -1){
					document.getElementById('mw-globalblock-anon-only').checked = true;
				}
			}
		}
	});

	// Multilingual description.js from commons
	mw.loader.load('//commons.wikimedia.org/w/index.php?title=MediaWiki:Gadget-LanguageSelect.js&action=raw&ctype=text/javascript');

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

	// Handle template:InterProject
	mw.loader.load('//meta.wikimedia.org/w/index.php?title=MediaWiki:InterProject.js&action=raw&ctype=text/javascript');

	// Help:Diff
	if ( conf.wgPageName === 'Help:Diff' ) {
	    mw.loader.load( 'mediawiki.action.history.diff' );
	}

	/**
	 * Remove "Wikimedia Fellowships/Project Ideas/" prefix on few fellowship pages
	 *
	 * Maintainer: [[en:User:Jarry1250]]
	 */
	if ($.inArray(conf.wgPageName, ['Wikimedia_Fellowships/Process', 'Wikimedia_Fellowships/Project_Ideas', 'Wikimedia_Fellowships/Project_Ideas/test']) > -1) {
		$( 'a.CategoryTreeLabel' ).text( function( i, current ) {
		    return current.replace( 'Wikimedia Fellowships/Project Ideas/', '' );
		} );
	}

	/**
	 * Remove "Grants:IEG/" prefix on a few IEG pages
	 *
	 * Maintainer: [[en:User:Jarry1250]]
	 */
	if ($.inArray(conf.wgPageName, ['Grants:IEG', 'Grants:IEG/Committee/Workroom/Review', 'Grants:IEG/Committee_Members/Working_groups']) > -1) {
		$( 'a.CategoryTreeLabel' ).text( function( i, current ) {
		    return current.replace( 'IEG/', '' );
		} );
	}

	/**
	 * IE fixes as required
	 * (includes hlist fixup for IE)
	 */
	if ( $.client.profile().name === 'msie' ) {
	    mw.loader.load( '//meta.wikimedia.org/w/index.php?title=MediaWiki:Common.js/IEFixes.js&action=raw&ctype=text/javascript' );
	}
	
	/**
	 * adds an "Add Topic" link to the header of the last section. Taken from [[:w:de:Mediawiki:Common.js]]
	 */
	mw.loader.using( [ 'jquery.accessKeyLabel' ], function() { $( function() {
	 var newSectionLink = $( '#ca-addsection a' );
	 if( newSectionLink.length ) {
	  var link = newSectionLink.clone(); //create a copy
	  //avoid duplicate accesskey
	  link.removeAttr( 'accesskey' ).updateTooltipAccessKeys();
	  //add it within the brackets
	  var lastEditsectionLink = $( 'span.mw-editsection:last a:last' );
	  lastEditsectionLink.after( link );
	  lastEditsectionLink.after( ' | ' ); //see [[MediaWiki:Pipe-separator]]
	 }
	})});

}() );



/**
 * Keep code in MediaWiki:Common.js to a minimum as it is unconditionally
 * loaded for all users on every wiki page. If possible create a gadget that is
 * enabled by default instead of adding it here (since gadgets are fully
 * optimized ResourceLoader modules with possibility to add dependencies etc.)
 *
 * Since Common.js isn't a gadget, there is no place to declare its
 * dependencies, so we have to lazy load them with mw.loader.using on demand and
 * then execute the rest in the callback. In most cases these dependencies will
 * be loaded (or loading) already and the callback will not be delayed. In case a
 * dependency hasn't arrived yet it'll make sure those are loaded before this.
 */

/* global mw, $, importStylesheet, importScript */
/* jshint strict:false, browser:true */

mw.loader.using( ['mediawiki.user', 'mediawiki.util', 'mediawiki.notify', 'jquery.client'] ).done( function () {
/* Begin of mw.loader.using callback */

/**
 * 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 ( mw.config.get( 'wgPageName' ) === 'Main_Page' || mw.config.get( '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' );
    } );
}

/**
 * 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.getUrl( userSkinPage + '.js' );
        } else if ( titleParts.slice( -1 ) == 'skin.css' ) {
            window.location.href = mw.util.getUrl( userSkinPage + '.css' );
        }
    }
}

/**
 * Map addPortletLink to mw.util
 * @deprecated: Use mw.util.addPortletLink instead.
 */
mw.log.deprecate( window, 'addPortletLink', mw.util.addPortletLink, 'Use mw.util.addPortletLink instead' );

/**
 * Extract a URL parameter from the current URL
 * @deprecated: Use mw.util.getParamValue with proper escaping
 */
mw.log.deprecate( window, 'getURLParamValue', mw.util.getParamValue, 'Use mw.util.getParamValue instead' );

/**
 * Test if an element has a certain class
 * @deprecated:  Use $(element).hasClass() instead.
 */
mw.log.deprecate( window, 'hasClass', function ( element, className ) {
    return $( element ).hasClass( className );
}, 'Use jQuery.hasClass() instead' );

/**
 * @source www.mediawiki.org/wiki/Snippets/Load_JS_and_CSS_by_URL
 * @rev 6
 */
var extraCSS = mw.util.getParamValue( 'withCSS' ),
    extraJS = mw.util.getParamValue( 'withJS' );

if ( extraCSS ) {
    if ( extraCSS.match( /^MediaWiki:[^&<>=%#]*\.css$/ ) ) {
        importStylesheet( extraCSS );
    } else {
        mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withCSS value' } );
    }
}

if ( extraJS ) {
    if ( extraJS.match( /^MediaWiki:[^&<>=%#]*\.js$/ ) ) {
        importScript( extraJS );
    } else {
        mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withJS value' } );
    }
}

/**
 * Import more specific scripts if necessary
 */
if ( mw.config.get( 'wgAction' ) === 'edit' || mw.config.get( 'wgAction' ) === 'submit' || mw.config.get( 'wgCanonicalSpecialPageName' ) === 'Upload' ) {
    /* scripts specific to editing pages */
    importScript( 'MediaWiki:Common.js/edit.js' );
} else if ( mw.config.get( 'wgCanonicalSpecialPageName' ) === 'Watchlist' ) {
    /* watchlist scripts */
    importScript( 'MediaWiki:Common.js/watchlist.js' );
}

/**
 * Fix for Windows XP Unicode font rendering
 */
if ( navigator.appVersion.search(/windows nt 5/i) !== -1 ) {
    mw.util.addCSS( '.IPA { font-family: "Lucida Sans Unicode", "Arial Unicode MS"; } ' +
                '.Unicode { font-family: "Arial Unicode MS", "Lucida Sans Unicode"; } ' );
}

/**
 * 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]]
 */
( function () {
    var require_wikiminiatlas = false;
    var coord_filter = /geohack/;
    $( function () {
        $( 'a.external.text' ).each( function( key, link ) {
            if ( link.href && coord_filter.exec( link.href ) ) {
                require_wikiminiatlas = true;
                // break from loop
                return false;
            }
        } );
        if ( $( 'div.kmldata' ).length ) {
            require_wikiminiatlas = true;
        }
        if ( require_wikiminiatlas ) {
            mw.loader.load( '//meta.wikimedia.org/w/index.php?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript' );
        }
    } );
} )();

/**
 * Collapsible tables
 *
 * Allows tables to be collapsed, showing only the header. See [[Wikipedia:NavFrame]].
 *
 * @version 2.0.3 (2014-03-14)
 * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-collapsibleTables.js
 * @author [[User:R. Koot]]
 * @author [[User:Krinkle]]
 * @deprecated Since MediaWiki 1.20: Use class="mw-collapsible" instead which
 * is supported in MediaWiki core.
 */

var autoCollapse = 2;
var collapseCaption = 'hide';
var expandCaption = 'show';
var tableIndex = 0;

function collapseTable( tableIndex ) {
    var Button = document.getElementById( 'collapseButton' + tableIndex );
    var Table = document.getElementById( 'collapsibleTable' + tableIndex );

    if ( !Table || !Button ) {
        return false;
    }

    var Rows = Table.rows;
    var i;

    if ( Button.firstChild.data === collapseCaption ) {
        for ( i = 1; i < Rows.length; i++ ) {
            Rows[i].style.display = 'none';
        }
        Button.firstChild.data = expandCaption;
    } else {
        for ( i = 1; i < Rows.length; i++ ) {
            Rows[i].style.display = Rows[0].style.display;
        }
        Button.firstChild.data = collapseCaption;
    }
}

function createClickHandler( tableIndex ) {
    return function ( e ) {
        e.preventDefault();
        collapseTable( tableIndex );
    };
}

function createCollapseButtons( $content ) {
    var NavigationBoxes = {};
    var $Tables = $content.find( 'table' );
    var i;

    $Tables.each( function( i, table ) {
        if ( $(table).hasClass( 'collapsible' ) ) {

            /* only add button and increment count if there is a header row to work with */
            var HeaderRow = table.getElementsByTagName( 'tr' )[0];
            if ( !HeaderRow ) {
                return;
            }
            var Header = table.getElementsByTagName( 'th' )[0];
            if ( !Header ) {
                return;
            }

            NavigationBoxes[ tableIndex ] = table;
            table.setAttribute( 'id', 'collapsibleTable' + tableIndex );

            var Button     = document.createElement( 'span' );
            var ButtonLink = document.createElement( 'a' );
            var ButtonText = document.createTextNode( collapseCaption );
            // Styles are declared in [[MediaWiki:Common.css]]
            Button.className = 'collapseButton';

            ButtonLink.style.color = Header.style.color;
            ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
            ButtonLink.setAttribute( 'href', '#' );
            $( ButtonLink ).on( 'click', createClickHandler( tableIndex ) );
            ButtonLink.appendChild( ButtonText );

            Button.appendChild( document.createTextNode( '[' ) );
            Button.appendChild( ButtonLink );
            Button.appendChild( document.createTextNode( ']' ) );

            Header.insertBefore( Button, Header.firstChild );
            tableIndex++;
        }
    } );

    for ( i = 0;  i < tableIndex; i++ ) {
        if ( $( NavigationBoxes[i] ).hasClass( 'collapsed' ) ||
            ( tableIndex >= autoCollapse && $( NavigationBoxes[i] ).hasClass( 'autocollapse' ) )
        ) {
            collapseTable( i );
        }
        else if ( $( NavigationBoxes[i] ).hasClass ( 'innercollapse' ) ) {
            var element = NavigationBoxes[i];
            while ((element = element.parentNode)) {
                if ( $( element ).hasClass( 'outercollapse' ) ) {
                    collapseTable ( i );
                    break;
                }
            }
        }
    }
}

mw.hook( 'wikipage.content' ).add( createCollapseButtons );

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

/* set up the words in your language */
var NavigationBarHide = '[' + collapseCaption + ']';
var NavigationBarShow = '[' + expandCaption + ']';
var indexNavigationBar = 0;

/**
 * Shows and hides content and picture (if available) of navigation bars
 * Parameters:
 *     indexNavigationBar: the index of navigation bar to be toggled
 **/
window.toggleNavigationBar = function ( indexNavigationBar, event ) {
    var NavToggle = document.getElementById( 'NavToggle' + indexNavigationBar );
    var NavFrame = document.getElementById( 'NavFrame' + indexNavigationBar );
    var NavChild;

    if ( !NavFrame || !NavToggle ) {
        return false;
    }

    /* if shown now */
    if ( NavToggle.firstChild.data === NavigationBarHide ) {
        for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
            if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
                NavChild.style.display = 'none';
            }
        }
    NavToggle.firstChild.data = NavigationBarShow;

    /* if hidden now */
    } else if ( NavToggle.firstChild.data === NavigationBarShow ) {
        for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
            if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
                NavChild.style.display = 'block';
            }
        }
        NavToggle.firstChild.data = NavigationBarHide;
    }

    event.preventDefault();
};

/* adds show/hide-button to navigation bars */
function createNavigationBarToggleButton( $content ) {
    var NavChild;
    /* iterate over all < div >-elements */
    var $divs = $content.find( 'div' );
    $divs.each( function ( i, NavFrame ) {
        /* if found a navigation bar */
        if ( $( NavFrame ).hasClass( 'NavFrame' ) ) {

            indexNavigationBar++;
            var NavToggle = document.createElement( 'a' );
            NavToggle.className = 'NavToggle';
            NavToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
            NavToggle.setAttribute( 'href', '#' );
            $( NavToggle ).on( 'click', $.proxy( window.toggleNavigationBar, window, indexNavigationBar ) );

            var isCollapsed = $( NavFrame ).hasClass( '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 ( NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling ) {
                if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( 'NavContent' ) ) {
                    if ( NavChild.style.display === 'none' ) {
                        isCollapsed = true;
                    }
                }
            }
            if ( isCollapsed ) {
                for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
                    if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( '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 ( $( NavFrame.childNodes[j] ).hasClass( 'NavHead' ) ) {
                    NavToggle.style.color = NavFrame.childNodes[j].style.color;
                    NavFrame.childNodes[j].appendChild( NavToggle );
                }
            }
            NavFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
        }
    } );
}

mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );

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

$(uploadwizard_newusers);

/**
 * Magic editintros ****************************************************
 *
 * Description: Adds editintros on disambiguation pages and BLP pages.
 * Maintainers: [[User:RockMFR]]
 */
function addEditIntro( name ) {
    $( '.mw-editsection, #ca-edit' ).find( 'a' ).each( function ( i, el ) {
        el.href = $( this ).attr( 'href' ) + '&editintro=' + name;
    } );
}

if ( mw.config.get( 'wgNamespaceNumber' ) === 0 ) {
    $( function () {
        if ( document.getElementById( 'disambigbox' ) ) {
            addEditIntro( 'Template:Disambig_editintro' );
        }
    } );

    $( function () {
        var cats = mw.config.get('wgCategories');
        if ( !cats ) {
            return;
        }
        if ( $.inArray( 'Living people', cats ) !== -1 || $.inArray( 'Possibly living people', cats ) !== -1 ) {
            addEditIntro( 'Template:BLP_editintro' );
        }
    } );
}

/* End of mw.loader.using callback */
} );
/* DO NOT ADD CODE BELOW THIS LINE */