MediaWiki:Common.js

/**
 * Redirect User:Name/skin.js and skin.css
 * @source https://www.mediawiki.org/wiki/Snippets/Redirect_skin.js
 * @revision 2016-04-13
 */
if ( mw.config.get( 'wgArticleId' ) === 0 && mw.config.get( 'wgNamespaceNumber' ) === 2 ) {
	mw.loader.using( 'mediawiki.util', function () {
		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[0] + '/' + mw.config.get( 'skin' );
			if ( titleParts[1] === 'skin.js' ) {
				location.href = mw.util.getUrl( userSkinPage + '.js' );
			} else if ( titleParts[1] === 'skin.css' ) {
				location.href = mw.util.getUrl( userSkinPage + '.css' );
			}
		}
	} );
}

/** extract a URL parameter from the current URL **********
 * From [[en:User:Lupin/autoedit.js]]
 *
 * paramName  : the name of the parameter to extract
 */
function getURLParamValue( paramName, url) 
{
 if (typeof (url) == 'undefined'  || url === null) url = document.location.href;
 var cmdRe=RegExp( '[&?]' + paramName + '=([^&#]*)' ); // Stop at hash
 var m=cmdRe.exec(url);
 if (m && m.length > 1) return decodeURIComponent(m[1]);
 return null;
}

/** &withJS= URL parameter *******
 * Allow to try custom scripts from MediaWiki space 
 * without editing [[Special:Mypage/monobook.js]]
 */
var extraJS = getURLParamValue("withJS");
if ( extraJS && extraJS.match("^MediaWiki:[^&<>=%]*\.js$") ) {
  importScript(extraJS);
}

/**
 * WikiMiniAtlas is a popup click and drag world map.
 * See [[meta:WikiMiniAtlas]] for more information.
 * Maintainers: [[w:User:Dschwen]]
 */
mw.loader.load('//meta.wikimedia.org/w/index.php?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript');

/* Test if an element has a certain class **************************************
 *
 * Description: Uses regular expressions and caching for better performance.
 * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 */

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.indexOf( "badge-featuredarticle" ) === -1 ) {
                InterwikiLinks[i].className += " FA"
                InterwikiLinks[i].title = "Dan l-artiklu hu fil-vetrina ta' din il-lingwa.";
            }
        }
    }
}

$( 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 = "aħbi";
var expandCaption = "uri";

function collapseTable( tableIndex ) {
    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 ( 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 ( 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", "javascript:;" );
            ButtonLink.addEventListener("click", new Function( "evt", "collapseTable(" + tableIndex + " );") );
            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 );
        }
    }
}

$( 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 );