MedyaWiki:Common.js

/**
 * 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( ['mediawiki.util'], function () {
/* Begin of mw.loader.using callback */

/**
 * 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' );
        }
    }
}

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

/**
 * &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 ) {
    if ( extraCSS.match( /^MediaWiki:[^&<>=%]*\.css$/ ) ) {
       mw.loader.load( '/w/index.php?title=' + extraCSS + '&action=raw&ctype=text/css', 'text/css' ); 
    } else {
        $( document ).ready( function () {
            mw.notify( 'Invalid stylesheet URL; only stylesheet pages from MediaWiki: space are allowed.', { title: 'Error' } );
        } );
    }
}
var extraJS = mw.util.getParamValue( 'withJS' );
if ( extraJS ) {
    if ( extraJS.match( /^MediaWiki:[^&<>=%]*\.js$/ ) ) {
        importScript( extraJS );
    } else {
        $( document ).ready( function () {
            mw.notify( 'Invalid javascript URL; only javascript pages from MediaWiki: space are allowed.', { title: 'Error' } );
        } );
    }
}

/**
 * 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/;
    $( 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/w/index.php?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript' );
        }
    } );
} )();

/**
 * 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.indexOf( 'badge-featuredarticle' ) === -1 ) {
                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.indexOf( 'badge-goodarticle' ) === -1 ) {
                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]]
 */

var autoCollapse = 2;
var collapseCaption = 'lukota';
var expandCaption = 'buklara';

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[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 = {};
    var Tables = document.getElementsByTagName( 'table' );

    for ( var i = 0; i < Tables.length; i++ ) {
        if ( $( Tables[i] ).hasClass( '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', '#' );
            ButtonLink.addEventListener('click', new Function( 'evt', 'collapseTable(' + tableIndex + '); return false;' ) );
            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[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;
                }
            }
        }
    }
}

$( 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
 **/
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]; 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[j] ).hasClass( 'NavHead' ) ) {
                    NavToggle.style.color = NavFrame.childNodes[j].style.color;
                    NavFrame.childNodes[j].appendChild( NavToggle );
                }
            }
            NavFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
        }
    }
}

$( createNavigationBarToggleButton );


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