From 6cfc6ecc49d40bb506c5b7ab7eca2b97324c9586 Mon Sep 17 00:00:00 2001 From: Hakim El Hattab Date: Sat, 27 Apr 2013 17:35:17 -0400 Subject: [PATCH] available fragment routes reflected in control arrows (closes #411) --- css/reveal.css | 68 ++++++++++++++++++++++++++++------------------ css/reveal.min.css | 2 +- js/reveal.js | 52 +++++++++++++++++++++++++++++++++++ js/reveal.min.js | 4 +-- 4 files changed, 96 insertions(+), 30 deletions(-) diff --git a/css/reveal.css b/css/reveal.css index ebcccba..dde4e0b 100644 --- a/css/reveal.css +++ b/css/reveal.css @@ -369,11 +369,11 @@ body { height: 0; border: 12px solid transparent; - -webkit-transition: opacity 0.2s ease; - -moz-transition: opacity 0.2s ease; - -ms-transition: opacity 0.2s ease; - -o-transition: opacity 0.2s ease; - transition: opacity 0.2s ease; + -webkit-transition: all 0.2s ease; + -moz-transition: all 0.2s ease; + -ms-transition: all 0.2s ease; + -o-transition: all 0.2s ease; + transition: all 0.2s ease; } .reveal 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+ top: 4px; + border-bottom-width: 18px; + } -.reveal .controls div.navigate-down { - left: 42px; - top: 74px; + .reveal .controls div.navigate-down { + left: 42px; + top: 74px; - border-top-width: 22px; - border-top-color: #eee; -} + border-top-width: 22px; + border-top-color: #eee; + } + .reveal .controls div.navigate-down.fragmented { + border-top-width: 18px; + } /********************************************* diff --git a/css/reveal.min.css b/css/reveal.min.css index ed22576..c9d59bc 100644 --- a/css/reveal.min.css +++ b/css/reveal.min.css @@ -4,4 +4,4 @@ * MIT licensed * * Copyright (C) 2013 Hakim El Hattab, http://hakim.se - */ html,body,.reveal div,.reveal span,.reveal applet,.reveal object,.reveal iframe,.reveal h1,.reveal h2,.reveal h3,.reveal h4,.reveal h5,.reveal h6,.reveal p,.reveal blockquote,.reveal pre,.reveal a,.reveal abbr,.reveal acronym,.reveal address,.reveal big,.reveal cite,.reveal code,.reveal del,.reveal dfn,.reveal em,.reveal img,.reveal ins,.reveal kbd,.reveal 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if ( config.controls && dom.controls ) { var routes = availableRoutes(); + var fragments = availableFragments(); // Remove the 'enabled' class from all directions dom.controlsLeft.concat( dom.controlsRight ) @@ -1336,6 +1337,7 @@ var Reveal = (function(){ .concat( dom.controlsPrev ) .concat( dom.controlsNext ).forEach( function( node ) { node.classList.remove( 'enabled' ); + node.classList.remove( 'fragmented' ); } ); // Add the 'enabled' class to the available routes @@ -1348,6 +1350,26 @@ var Reveal = (function(){ if( routes.left || routes.up ) dom.controlsPrev.forEach( function( el ) { el.classList.add( 'enabled' ); } ); if( routes.right || routes.down ) dom.controlsNext.forEach( function( el ) { el.classList.add( 'enabled' ); } ); + // Highlight fragment directions + if( currentSlide ) { + var isVertical = !!currentSlide.parentNode.nodeName.match( /section/gi ); + + // Always apply fragment decorator to prev/next buttons + if( fragments.prev ) dom.controlsPrev.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } ); + if( fragments.next ) dom.controlsNext.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } ); + + // Apply fragment decorators to directional buttons based on + // what slide axis they are in + if( isVertical ) { + if( fragments.prev ) dom.controlsUp.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } ); + if( fragments.next ) dom.controlsDown.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } ); + } + else { + if( fragments.prev ) dom.controlsLeft.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } ); + if( fragments.next ) dom.controlsRight.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } ); + } + } + } } @@ -1371,6 +1393,29 @@ var Reveal = (function(){ } + /** + * Returns an object describing the available fragment + * directions. + * + * @return {Object} two boolean properties: prev/next + */ + function availableFragments() { + + if( currentSlide ) { + var fragments = currentSlide.querySelectorAll( '.fragment' ); + var hiddenFragments = currentSlide.querySelectorAll( '.fragment:not(.visible)' ); + + return { + prev: fragments.length - hiddenFragments.length > 0, + next: !!hiddenFragments.length + }; + } + else { + return { prev: false, next: false }; + } + + } + /** * Reads the current URL (hash) and navigates accordingly. */ @@ -1506,6 +1551,8 @@ var Reveal = (function(){ // Notify subscribers of the change dispatchEvent( 'fragmentshown', { fragment: fragments[0] } ); + + updateControls(); return true; } } @@ -1530,6 +1577,8 @@ var Reveal = (function(){ // Notify subscribers of the change dispatchEvent( 'fragmenthidden', { fragment: fragments[ fragments.length - 1 ] } ); + + updateControls(); return true; } } @@ -1992,6 +2041,9 @@ var Reveal = (function(){ // Returns an object with the available routes as booleans (left/right/top/bottom) availableRoutes: availableRoutes, + // Returns an object with the available fragments as booleans (prev/next) + availableFragments: availableFragments, + // Toggles the overview mode on/off toggleOverview: toggleOverview, diff --git a/js/reveal.min.js b/js/reveal.min.js index 04f5e4f..23685fb 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,8 +1,8 @@ /*! - * reveal.js 2.4.0 (2013-04-27, 16:21) + * reveal.js 2.4.0 (2013-04-27, 17:34) * 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 qt||At?(window.addEventListener("load",h,!1),c(yt,e),n(),r(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function t(){if(St.theme=document.querySelector("#theme"),St.wrapper=document.querySelector(".reveal"),St.slides=document.querySelector(".reveal .slides"),!St.wrapper.querySelector(".progress")){var 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