diff --git a/README.md b/README.md index adf7a3a8..4375933e 100644 --- a/README.md +++ b/README.md @@ -270,6 +270,16 @@ Multiple fragments can be applied to the same element sequentially by wrapping i ``` +The display order of fragments can be controlled using the ```data-fragment-index``` attribute. + +```html +
+

Appears last

+

Appears first

+

Appears second

+
+``` + ### Fragment events When a slide fragment is either shown or hidden reveal.js will dispatch an event. diff --git a/js/reveal.js b/js/reveal.js index 456f4180..f048b075 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -142,31 +142,6 @@ var Reveal = (function(){ threshold: 80 }; - /** - * Return a sorted fragments list, ordered by an increasing "fragment-pos" attribute. - * - * Fragments will be revealed in the order that they are returned by - * this function, so you can use "fragment-pos" attributes to control - * the order of fragment appearance. - * - * To maintain a sensible default fragment order, fragments are presumed - * to be passed in document order. This function adds a "fragment-pos" - * attribute to each node if such an attribute is not already present, - * and sets that attribute to an integer value which is the position of - * the fragment within the fragments list. - * - */ - function sort_fragments( fragments ) { - var a = toArray(fragments) - a.forEach( function (el, idx) { - if (!el.hasAttribute('fragment-pos')) { - el.setAttribute('fragment-pos', idx) }}) - a.sort(function(l, r) { - return l.getAttribute( 'fragment-pos' ) - - r.getAttribute( 'fragment-pos') }) - return a - } - /** * Starts up the presentation if the client is capable. */ @@ -597,6 +572,38 @@ var Reveal = (function(){ } + /** + * Return a sorted fragments list, ordered by an increasing + * "data-fragment-index" attribute. + * + * Fragments will be revealed in the order that they are returned by + * this function, so you can use the index attributes to control the + * order of fragment appearance. + * + * To maintain a sensible default fragment order, fragments are presumed + * to be passed in document order. This function adds a "fragment-index" + * attribute to each node if such an attribute is not already present, + * and sets that attribute to an integer value which is the position of + * the fragment within the fragments list. + */ + function sortFragments( fragments ) { + + var a = toArray( fragments ); + + a.forEach( function( el, idx ) { + if( !el.hasAttribute( 'data-fragment-index' ) ) { + el.setAttribute( 'data-fragment-index', idx ); + } + } ); + + a.sort( function( l, r ) { + return l.getAttribute( 'data-fragment-index' ) - r.getAttribute( 'data-fragment-index'); + } ); + + return a + + } + /** * Applies JavaScript-controlled layout rules to the * presentation. @@ -1046,8 +1053,7 @@ var Reveal = (function(){ // Show fragment, if specified if( typeof f !== 'undefined' ) { - var fragments = currentSlide.querySelectorAll( '.fragment' ); - fragments = sort_fragments(fragments) + var fragments = sortFragments( currentSlide.querySelectorAll( '.fragment' ) ); toArray( fragments ).forEach( function( fragment, indexf ) { if( indexf < f ) { @@ -1418,8 +1424,8 @@ var Reveal = (function(){ // Vertical slides: if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) { - var verticalFragments = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' ); - verticalFragments = sort_fragments(verticalFragments) + var verticalFragments = sortFragments( document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' ) ); + if( verticalFragments.length ) { verticalFragments[0].classList.add( 'visible' ); @@ -1430,8 +1436,8 @@ var Reveal = (function(){ } // Horizontal slides: else { - var horizontalFragments = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' ); - horizontalFragments = sort_fragments(horizontalFragments) + var horizontalFragments = sortFragments( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' ) ); + if( horizontalFragments.length ) { horizontalFragments[0].classList.add( 'visible' ); @@ -1455,8 +1461,8 @@ var Reveal = (function(){ // Vertical slides: if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) { - var verticalFragments = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment.visible' ); - verticalFragments = sort_fragments(verticalFragments) + var verticalFragments = sortFragments( document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment.visible' ) ); + if( verticalFragments.length ) { verticalFragments[ verticalFragments.length - 1 ].classList.remove( 'visible' ); @@ -1467,8 +1473,8 @@ var Reveal = (function(){ } // Horizontal slides: else { - var horizontalFragments = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment.visible' ); - horizontalFragments = sort_fragments(horizontalFragments) + var horizontalFragments = sortFragments( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment.visible' ) ); + if( horizontalFragments.length ) { horizontalFragments[ horizontalFragments.length - 1 ].classList.remove( 'visible' ); diff --git a/js/reveal.min.js b/js/reveal.min.js index 5fd0c86e..9b8a7ce2 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,8 +1,8 @@ /*! - * reveal.js 2.3.0 (2013-02-27, 13:19) + * reveal.js 2.3.0 (2013-02-27, 13:36) * http://lab.hakim.se/reveal-js * MIT licensed * * Copyright (C) 2013 Hakim El Hattab, http://hakim.se */ -var Reveal=function(){"use strict";function e(e){return wt||Lt?(window.addEventListener("load",p,!1),c(vt,e),n(),r(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function t(){if(gt.theme=document.querySelector("#theme"),gt.wrapper=document.querySelector(".reveal"),gt.slides=document.querySelector(".reveal .slides"),!gt.wrapper.querySelector(".progress")&&vt.progress){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="",gt.wrapper.appendChild(e)}if(!gt.wrapper.querySelector(".controls")&&vt.controls){var t=document.createElement("aside");t.classList.add("controls"),t.innerHTML='
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