From f795cb02690dd9f3a6ea64f880797840dc675c89 Mon Sep 17 00:00:00 2001 From: Hakim El Hattab Date: Sun, 24 Feb 2013 00:44:20 -0500 Subject: [PATCH] add configure api method for update config after initialization --- js/reveal.js | 107 ++++++++++++++++++++++++++++------------------- js/reveal.min.js | 4 +- 2 files changed, 65 insertions(+), 46 deletions(-) diff --git a/js/reveal.js b/js/reveal.js index 7572569..a559090 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -335,40 +335,40 @@ var Reveal = (function(){ /** * Applies the configuration settings from the config object. */ - function configure() { + function configure( options ) { - if( supports3DTransforms === false ) { - config.transition = 'linear'; - } + dom.wrapper.classList.remove( config.transition ); - if( config.controls && dom.controls ) { - dom.controls.style.display = 'block'; - } + // New config options may be passed when this method + // is invoked through the API after initialization + if( typeof options === 'object' ) extend( config, options ); - if( config.progress && dom.progress ) { - dom.progress.style.display = 'block'; - } + // Force linear transition based on browser capabilities + if( supports3DTransforms === false ) config.transition = 'linear'; - if( config.transition !== 'default' ) { - dom.wrapper.classList.add( config.transition ); - } + dom.wrapper.classList.add( config.transition ); - if( config.rtl ) { - dom.wrapper.classList.add( 'rtl' ); - } + dom.controls.style.display = ( config.controls && dom.controls ) ? 'block' : 'none'; + dom.progress.style.display = ( config.progress && dom.progress ) ? 'block' : 'none'; - if( config.center ) { - dom.wrapper.classList.add( 'center' ); - } + dom.wrapper.classList.toggle( 'rtl', config.rtl ); + dom.wrapper.classList.toggle( 'center', config.center ); if( config.mouseWheel ) { document.addEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF document.addEventListener( 'mousewheel', onDocumentMouseScroll, false ); } + else { + document.removeEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF + document.removeEventListener( 'mousewheel', onDocumentMouseScroll, false ); + } // 3D links if( config.rollingLinks ) { - linkify(); + enable3DLinks(); + } + else { + disable3DLinks(); } // Load the theme in the config, if it's not already loaded @@ -524,28 +524,47 @@ var Reveal = (function(){ /** * Wrap all links in 3D goodness. */ - function linkify() { + function enable3DLinks() { if( supports3DTransforms && !( 'msPerspective' in document.body.style ) ) { - var nodes = document.querySelectorAll( SLIDES_SELECTOR + ' a:not(.image)' ); + var anchors = document.querySelectorAll( SLIDES_SELECTOR + ' a:not(.image)' ); - for( var i = 0, len = nodes.length; i < len; i++ ) { - var node = nodes[i]; + for( var i = 0, len = anchors.length; i < len; i++ ) { + var anchor = anchors[i]; - if( node.textContent && !node.querySelector( '*' ) && ( !node.className || !node.classList.contains( node, 'roll' ) ) ) { + if( anchor.textContent && !anchor.querySelector( '*' ) && ( !anchor.className || !anchor.classList.contains( anchor, 'roll' ) ) ) { var span = document.createElement('span'); - span.setAttribute('data-title', node.text); - span.innerHTML = node.innerHTML; + span.setAttribute('data-title', anchor.text); + span.innerHTML = anchor.innerHTML; - node.classList.add( 'roll' ); - node.innerHTML = ''; - node.appendChild(span); + anchor.classList.add( 'roll' ); + anchor.innerHTML = ''; + anchor.appendChild(span); } } } } + /** + * Unwrap all 3D links. + */ + function disable3DLinks() { + + var anchors = document.querySelectorAll( SLIDES_SELECTOR + ' a.roll' ); + + for( var i = 0, len = anchors.length; i < len; i++ ) { + var anchor = anchors[i]; + var span = anchor.querySelector( 'span' ); + + if( span ) { + anchor.classList.remove( 'roll' ); + anchor.innerHTML = span.innerHTML; + } + } + + } + /** * Applies JavaScript-controlled layout rules to the * presentation. @@ -602,31 +621,30 @@ var Reveal = (function(){ dom.slides.style.transform = transform; } - if( config.center ) { + // Select all slides, vertical and horizontal + var slides = toArray( document.querySelectorAll( SLIDES_SELECTOR ) ); - // Select all slides, vertical and horizontal - var slides = toArray( document.querySelectorAll( SLIDES_SELECTOR ) ); + for( var i = 0, len = slides.length; i < len; i++ ) { + var slide = slides[ i ]; - // Determine the minimum top offset for slides - var minTop = -slideHeight / 2; - - for( var i = 0, len = slides.length; i < len; i++ ) { - var slide = slides[ i ]; - - // Don't bother updating invisible slides - if( slide.style.display === 'none' ) { - continue; - } + // Don't bother updating invisible slides + if( slide.style.display === 'none' ) { + continue; + } + if( config.center ) { // Vertical stacks are not centered since their section // children will be if( slide.classList.contains( 'stack' ) ) { slide.style.top = 0; } else { - slide.style.top = Math.max( - ( slide.offsetHeight / 2 ) - 20, minTop ) + 'px'; + slide.style.top = Math.max( - ( slide.offsetHeight / 2 ) - 20, -slideHeight / 2 ) + 'px'; } } + else { + slide.style.top = ''; + } } @@ -1812,6 +1830,7 @@ var Reveal = (function(){ return { initialize: initialize, + configure: configure, // Navigation methods slide: slide, diff --git a/js/reveal.min.js b/js/reveal.min.js index 8023e69..e1fb8aa 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,8 +1,8 @@ /*! - * reveal.js 2.3 (2013-02-13, 18:00) + * reveal.js 2.3 (2013-02-24, 00:42) * 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){if(!d&&!p){document.body.setAttribute("class","no-transforms");return}window.addEventListener("load",H,!1),A(i,e),x(),T()}function S(){h.theme=document.querySelector("#theme"),h.wrapper=document.querySelector(".reveal"),h.slides=document.querySelector(".reveal .slides");if(!h.wrapper.querySelector(".progress")&&i.progress){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="",h.wrapper.appendChild(e)}if(!h.wrapper.querySelector(".controls")&&i.controls){var t=document.createElement("aside");t.classList.add("controls"),t.innerHTML='
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