MediaWiki:Common.js

/* Jedes JavaScript hier wird für alle Benutzer für jede Seite geladen. */



//================================================================================
//*** Dynamic Navigation Bars

// set up max count of Navigation Bars on page,
// if there are more, all will be hidden
// mw.user.options.set( 'NavigationBarShowDefault', 0 ); // all bars will be hidden
// mw.user.options.set( 'NavigationBarShowDefault', 1 ); // on pages with more than 1 bar all bars will be hidden

// adds show/hide-button to navigation bars
// using 'jquery.makeCollapsible': for messages
// using 'user', 'mediawiki.user', 'user.options': wait for overrides in user.js
mw.loader.using( [ 'jquery.makeCollapsible', 'user', 'mediawiki.user', 'user.options' ], function() { mw.hook( 'wikipage.content' ).add( function( $content ) {
	// allow setting NavigationBarShowDefault
	var showDefaultCount = mw.user.options.get( 'NavigationBarShowDefault',
		typeof NavigationBarShowDefault !== 'undefined' ? NavigationBarShowDefault : 1 );
	// allow user overrides for b/c
	var textHide = typeof NavigationBarHide === 'string' ? NavigationBarHide : mw.msg( 'collapsible-collapse' );
	var textShow = typeof NavigationBarShow === 'string' ? NavigationBarShow : mw.msg( 'collapsible-expand' );

	// shows and hides content and picture (if available) of navigation bars
	// Parameters:
	//     indexNavigationBar: the index of navigation bar to be toggled
	function toggleNavigationBar(NavToggle, NavFrame)
	{
		if (!NavFrame || !NavToggle) {
			return false;
		}

		// if shown now
		if (NavToggle.firstChild.data === textHide) {
			for (
					var NavChild = NavFrame.firstChild;
					NavChild !== null;
					NavChild = NavChild.nextSibling
				) {
				if (NavChild.className === 'NavPic' || NavChild.className === 'NavContent') {
					NavChild.style.display = 'none';
				}
			}
			NavToggle.firstChild.data = textShow;

		// if hidden now
		} else if (NavToggle.firstChild.data === textShow) {
			for (
					var NavChild = NavFrame.firstChild;
					NavChild !== null;
					NavChild = NavChild.nextSibling
				) {
				if (NavChild.className === 'NavPic' || NavChild.className === 'NavContent') {
					NavChild.style.display = 'block';
				}
			}
			NavToggle.firstChild.data = textHide;
		}
	}

	function toggleNavigationBarFunction(NavToggle, NavFrame) {
		return function() {
			toggleNavigationBar(NavToggle, NavFrame);
			return false;
		};
	}
	// iterate over all NavFrames
	var NavFrames = $content.find( 'div.NavFrame' );

	// if more Navigation Bars found and not template namespace than Default: hide all
	var initiallyToggle	= showDefaultCount < NavFrames.length && mw.config.get( 'wgNamespaceNumber' ) !== 10;
	for (var i=0; i<NavFrames.length; i++) {
		var NavFrame = NavFrames[i];
		var NavToggle = document.createElement("a");
		NavToggle.className = 'NavToggle';
		NavToggle.setAttribute('href', '#');

		var NavToggleText = document.createTextNode(textHide);
		NavToggle.appendChild(NavToggleText);

		// add NavToggle-Button as first div-element
		// in < div class="NavFrame" >
		NavFrame.insertBefore(NavToggle, NavFrame.firstChild);

		NavToggle.onclick = toggleNavigationBarFunction(NavToggle, NavFrame);
		if (initiallyToggle) {
			toggleNavigationBar(NavToggle, NavFrame);
		} else { // make sure that 'display' is always set for every NavFrame
			for (
					var NavChild = NavFrame.firstChild;
					NavChild !== null;
					NavChild = NavChild.nextSibling
				) {
				if (NavChild.className === 'NavPic' || NavChild.className === 'NavContent') {
					NavChild.style.display = 'block';
				}
			}
		}
	}
})});

















/** Collapsible tables *********************************************************
  *
  *  Description: Allows tables to be collapsed, showing only the header. See
  *               [[Wikipedia:NavFrame]].
  *  Maintainers: [[User:R. Koot]]
  */
 
 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.style.styleFloat = "right";
             Button.style.cssFloat = "right";
             Button.style.fontWeight = "normal";
             Button.style.textAlign = "right";
             Button.style.width = "6em";
 
             ButtonLink.style.color = Header.style.color;
             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( "]" ) );
 
             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 );
         }
     }
 }
 
 addOnloadHook( createCollapseButtons );
 
 /** Dynamic Navigation Bars (experimental) *************************************
  *
  *  Description: See [[Wikipedia:NavFrame]].
  *  Maintainers: UNMAINTAINED
  */
 
  // set up the words in your language
  var NavigationBarHide = '[' + 'Verbergen' + ']';
  var NavigationBarShow = '[' + 'Anzeigen' + ']';
 
  // 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, '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 (
                 var 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);
         }
     }
  }
 
  addOnloadHook( createNavigationBarToggleButton );
 
 
/* 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);
     };
 })();