MediaWiki:Gadget-NavFrame.js

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/**
 * Dynamic Navigation Bars. See [[Wikipedia:NavFrame]]
 * 
 * Based on script from en.wikipedia.org, 2008-09-15.
 *
 * @source www.mediawiki.org/wiki/MediaWiki:Gadget-NavFrame.js
 * @maintainer Helder.wiki, 2012–2013
 * @maintainer Krinkle, 2013
 * @maintainer Fantasticfears, 2013
 */
( function () {
 
// Set up the words in your language
var collapseCaption = wgULS('隐藏', '隱藏');
var expandCaption = wgULS('显示', '顯示');
 
var navigationBarHide = collapseCaption + '▲';
var navigationBarShow = expandCaption + '▼';
 
/**
 * Shows and hides content and picture (if available) of navigation bars.
 *
 * @param {number} indexNavigationBar The index of navigation bar to be toggled
 * @param {jQuery.Event} e Event object
 */
function toggleNavigationBar( indexNavigationBar, e ) {
	var navToggle = $( 'NavToggle' + indexNavigationBar ),
		navFrame = $( 'NavFrame' + indexNavigationBar );

	if ( !navFrame || !navToggle ) {
		return false;
	}

	// If shown now
	if ( navToggle.text() === navigationBarHide ) {
		$( navFrame ).find( '.NavPic, .NavContent' ).each(function() {
			navChild.style.display = 'none';
		});
		navToggle.text(navigationBarShow);
 
	// If hidden now
	} else if ( navToggle.text() === navigationBarShow ) {
		$( navFrame ).find( '.NavPic, .NavContent' ).each(function() {
			navChild.style.display = 'block';
		});
		navToggle.text(navigationBarHide);
	}
}

/**
 * Adds show/hide-button to navigation bars.
 *
 * @param {jQuery} $content
 */
function createNavigationBarToggleButton( $content ) {
	var indexNavigationBar = 0;
	// Iterate over all (new) nav frames
	$content.find( 'div.NavFrame' ).each(function() {
		var frame = $( this );
		// If found a navigation bar
		indexNavigationBar++;
		var navToggle = '<span class="NavToggle" id="NavToggle' + indexNavigationBar + '"></span>'
		frame.find( '.NavHead' ).each(function() {
			$( this ).on( 'click', $.proxy( toggleNavigationBar, null, indexNavigationBar ) );
		});
        if ( frame.hasClass( 'collapsed' ) ) {
        	frame.find( '.NavPic, .NavContent' ).each(function() {
        		$( this ).css( 'display', 'none' );
			});
        }

		var showNavigationBarHide = true;
		frame.find( '.NavPic, .NavContent' ).each(function() {
			if ( $( this ).css( 'display' ) === 'none' ) {
				showNavigationBarHide = false;
				return;
			}
		});

		// Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
		frame.find( '.NavHead' ).each(function() {
			$( this ).append( navToggle ).text( showNavigationBarHide? navigationBarHide: navigationBarShow );
		});
		frame.attr( 'id', 'NavFrame' + indexNavigationBar );
	});
}
 
mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );

}());