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, 2013-2014
 */
$( function () {
	var langConv = require( 'ext.gadget.HanAssist' ).conv;

	var collapseCaption = langConv( { hans: '隐藏', hant: '隱藏' } );
	var expandCaption = langConv( { hans: '显示', hant: '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 toggle = $( '#NavToggle' + indexNavigationBar ),
			frame = $( '#NavFrame' + indexNavigationBar ),
			isFrameCollapsed;

		if ( !frame || !toggle ) {
			return false;
		}

		isFrameCollapsed = frame.hasClass( 'collapsed' );
		if ( isFrameCollapsed ) {
			frame.find( '> .NavPic, > .NavContent, > .toogleShow' ).each( function () {
				$( this ).css( 'display', 'block' );
			} );
			frame.find( '> .toggleHide' ).each( function () {
				$( this ).css( 'display', 'none' );
			} );
			toggle.text( navigationBarHide );
			frame.removeClass( 'collapsed' );
		} else {
			frame.find( '> .NavPic, > .NavContent, > .toogleShow' ).each( function () {
				$( this ).css( 'display', 'none' );
			} );
			frame.find( '> .toggleHide' ).each( function () {
				$( this ).css( 'display', 'block' );
			} );
			toggle.text( navigationBarShow );
			frame.addClass( 'collapsed' );
		}
	}

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

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

			navToggle.text( showNavigationBarHide? navigationBarHide: navigationBarShow );

			frame.find( '> .NavHead' ).each( function () {
				$( this ).append( navToggle );
				return false;
			} );
		} );
	}

	mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );

} );