MediaWiki:Common.js

/* Das folgende JavaScript wird für alle Benutzer 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( [ 'mediawiki.util', 'jquery.makeCollapsible', 'user', 'mediawiki.user', 'user.options' ], function() { $(function() {
	// 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.style.display = 'none';
			   }
			   if (NavChild.className === 'NavContent') {
				   NavChild.style.display = 'none';
			   }
			   if (NavChild.className === 'NavToggle') {
				   NavChild.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.style.display = 'block';
			   }
			   if (NavChild.className === 'NavContent') {
				   NavChild.style.display = 'block';
			   }
			   if (NavChild.className === 'NavToggle') {
				   NavChild.firstChild.data = textHide;
			   }
		   }
	   }
	}
 
	function toggleNavigationBarFunction(NavToggle, NavFrame) {
		return function() {
			toggleNavigationBar(NavToggle, NavFrame);
			return false;
		};
	}
	// iterate over all NavFrames
	var NavFrames = mw.util.$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);
		}
	}
})});