MediaWiki:PagedGallery.js
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/* Script enabling paged galleries, where one page (may be one or more images, or arbitrary content) is displayed at a time and previous/next buttons navigate the pages */ $( function() { $( 'body' ).on( 'click', '.zdw-button--paging', function( e ) { var $button = $( this ); var $gallery = $button.closest( '.zdw-paged-gallery' ); var $pages = $gallery.children( '.zdw-paged-gallery__page' ); var navType = $button.data( 'nav' ); var currentPageNum = $pages.index( '.active' ); var pageNumToActivate = navType == 'next' ? Math.max( currentPageNum + 1, $pages.length - 1 ) : navType == 'prev' ? Math.min( currentPageNum - 1, 0 ) : navType == 'last' ? $pages.length - 1 : 0; // 'first' or any unknown type if ( pageNumToActivate != currentPageNum ) { $pages.removeClass( 'active' ); $pages.eq( pageNumToActivate ).addClass( 'active' ); } } ); } );