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This is an old revision of this page, as edited by Krinkle (talk | contribs) at 23:00, 18 December 2012 (This script uses jquery.client, ensure it is listed in the dependencies). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

This is the JavaScript for all users. Any changes to this page should first be proposed on its talk page or the Village pump. Please note that changes are visible within minutes. Errors you make here can disrupt the entire encyclopedia, so make sure you know what you are doing. Testing can be done on your personal common.js or skin-specific JS file.

/**
 * 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.
 */

mw.loader.using( , function () {
/* Begin of mw.loader.using callback */

/**
 * Main Page layout fixes
 *
 * Description: Adds an additional link to the complete list of languages available.
 * Maintainers: ], ], ]
 */
if ( mw.config.get( 'wgPageName' ) == 'Main_Page' || mw.config.get( 'wgPageName' ) == 'Talk:Main_Page' ) {
    $( document ).ready( function () {
        mw.util.addPortletLink( 'p-lang', '//meta.wikimedia.org/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/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 
 *
 * @deprecated: Use mw.util.addPortletLink instead.
 */
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
 */
window.getURLParamValue = function () {
    return mw.util.getParamValue.apply( mw.util, arguments );
}

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

/**
 * @source www.mediawiki.org/Snippets/Load_JS_and_CSS_by_URL
 * @rev 5
 */
// CSS
var extraCSS = mw.util.getParamValue( 'withCSS' );
if ( extraCSS ) {
	if ( extraCSS.match( /^MediaWiki:*\.css$/ ) ) {
		importStylesheet( extraCSS );
	} else {
		mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withCSS value' } );
	}
}

// JS
var extraJS = mw.util.getParamValue( 'withJS' );
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( 'wgPageName' ) == 'Special:Upload' ) {
    /* scripts specific to editing pages */
    importScript( 'MediaWiki:Common.js/edit.js' );
} else if ( mw.config.get( 'wgPageName' ) == 'Special:Watchlist' ) {
    /* watchlist scripts */
    importScript( 'MediaWiki:Common.js/watchlist.js' );
}
if ( mw.config.get( 'wgNamespaceNumber' ) == 6 ) {
    /* file description page scripts */
    importScript( 'MediaWiki:Common.js/file.js' );
}

/**
 * Load scripts specific to Internet Explorer
 */
if ( $.client.profile().name == 'msie' ) {
    importScript( 'MediaWiki:Common.js/IEFixes.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 ] for more information. 
 * Maintainers: ]
 */
( function ( $, mw ) {
    var require_wikiminiatlas = false;
    var coord_filter = /geohack/;
    $( document ).ready( 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/search/?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript' );
        }
    } );
} )( jQuery, mediaWiki );

/**
 * 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: ]
 */
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.className + '-fa' ) ) {
                InterwikiLinks.className += ' FA';
                InterwikiLinks.title = 'This is a featured article in another language.';
            } else if ( document.getElementById( InterwikiLinks.className + '-ga' ) ) {
                InterwikiLinks.className += ' GA';
                InterwikiLinks.title = 'This is a good article in another language.';
            }
        }
    }
}

$( LinkFA );

/**
 * Collapsible tables *********************************************************
 *
 * Description: Allows tables to be collapsed, showing only the header. See
 *              ].
 * Maintainers: ]
 */

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

window.collapseTable = function ( 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.style.display = 'none';
        }
        Button.firstChild.data = expandCaption;
    } else {
        for ( var i = 1; i < Rows.length; i++ ) {
            Rows.style.display = Rows.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 ( $( Tables ).hasClass( 'collapsible' ) ) {

            /* only add button and increment count if there is a header row to work with */
            var HeaderRow = Tables.getElementsByTagName( 'tr' );
            if ( !HeaderRow ) continue;
            var Header = HeaderRow.getElementsByTagName( 'th' );
            if ( !Header ) continue;

            NavigationBoxes = Tables;
            Tables.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.firstChild );
            tableIndex++;
        }
    }

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

$( createCollapseButtons );

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

/* set up the words in your language */
var NavigationBarHide = '';
var NavigationBarShow = '';

/**
 * 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 ) {
    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 ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( '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 ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( '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++ ) {
        /* 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', 'javascript:toggleNavigationBar(' + 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 ( var 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 ( var 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 ).hasClass( 'NavHead' ) ) {
                    NavToggle.style.color = NavFrame.childNodes.style.color;
                    NavFrame.childNodes.appendChild( NavToggle );
                }
            }
            NavFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
        }
    }
}

$( createNavigationBarToggleButton );

/**
 * Uploadwizard_newusers
 * Switches in a message for non-autoconfirmed users at ]
 *
 * Maintainers: ]
 */
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 ( i = 0; i < userGroups.length; i++ ) {
                    if ( userGroups == '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: ]
 */
function addEditIntro( name ) {
    $( '.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 = document.getElementById( 'mw-normal-catlinks' );
        if ( !cats ) {
            return;
        }
        cats = cats.getElementsByTagName( 'a' );
        for ( var i = 0; i < cats.length; i++ ) {
            if ( cats.title == 'Category:Living people' || cats.title == 'Category:Possibly living people' ) {
                addEditIntro( 'Template:BLP_editintro' );
                break;
            }
        }
    } );
}

/**
 * Description: Stay on the secure server as much as possible
 * Maintainers: ]
 */
if ( document.location && document.location.protocol  && document.location.protocol == 'https:' ) {
    /* New secure servers */
    importScript( 'MediaWiki:Common.js/secure new.js' );
}

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