From 8bf19ab61f8eb0e527348110f3923a33ea937eaa Mon Sep 17 00:00:00 2001 From: Hakim El Hattab Date: Fri, 26 Jul 2013 09:33:25 -0400 Subject: [PATCH] restore rolling links.. but default to off #532 --- css/reveal.css | 84 ++++++++++++++++++++++++++++++++++++++++++++++ css/reveal.min.css | 2 +- js/reveal.js | 55 ++++++++++++++++++++++++++++++ js/reveal.min.js | 4 +-- 4 files changed, 142 insertions(+), 3 deletions(-) diff --git a/css/reveal.css b/css/reveal.css index 0037a268..791d768b 100644 --- a/css/reveal.css +++ b/css/reveal.css @@ -1494,6 +1494,90 @@ body { } +/********************************************* + * ROLLING LINKS + *********************************************/ + +.reveal .roll { + display: inline-block; + line-height: 1.2; + overflow: hidden; + + vertical-align: top; + + -webkit-perspective: 400px; + -moz-perspective: 400px; + -ms-perspective: 400px; + perspective: 400px; + + -webkit-perspective-origin: 50% 50%; + -moz-perspective-origin: 50% 50%; + -ms-perspective-origin: 50% 50%; + perspective-origin: 50% 50%; +} + .reveal .roll:hover { + background: none; + text-shadow: none; + } +.reveal .roll span { + display: block; + position: relative; + padding: 0 2px; + + pointer-events: none; + + -webkit-transition: all 400ms ease; + -moz-transition: all 400ms ease; + -ms-transition: all 400ms ease; + transition: all 400ms ease; + + -webkit-transform-origin: 50% 0%; + -moz-transform-origin: 50% 0%; + -ms-transform-origin: 50% 0%; + transform-origin: 50% 0%; + + -webkit-transform-style: preserve-3d; + -moz-transform-style: preserve-3d; + -ms-transform-style: preserve-3d; + transform-style: preserve-3d; + + -webkit-backface-visibility: hidden; + -moz-backface-visibility: hidden; + backface-visibility: hidden; +} + .reveal .roll:hover span { + background: rgba(0,0,0,0.5); + + -webkit-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg ); + -moz-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg ); + -ms-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg ); + transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg ); + } +.reveal .roll span:after { + content: attr(data-title); + + display: block; + position: absolute; + left: 0; + top: 0; + padding: 0 2px; + + -webkit-backface-visibility: hidden; + -moz-backface-visibility: hidden; + backface-visibility: hidden; + + -webkit-transform-origin: 50% 0%; + -moz-transform-origin: 50% 0%; + -ms-transform-origin: 50% 0%; + transform-origin: 50% 0%; + + -webkit-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg ); + -moz-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg ); + -ms-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg ); + transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg ); +} + + /********************************************* * SPEAKER NOTES *********************************************/ diff --git a/css/reveal.min.css b/css/reveal.min.css index 38832816..c5c37c37 100644 --- a/css/reveal.min.css +++ b/css/reveal.min.css @@ 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a/js/reveal.js b/js/reveal.js index 107b67b5..41d35352 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -67,6 +67,9 @@ var Reveal = (function(){ // Enable slide navigation via mouse wheel mouseWheel: false, + // Apply a 3D roll to links on hover + rollingLinks: false, + // Opens links in an iframe preview overlay previewLinks: false, @@ -475,6 +478,14 @@ var Reveal = (function(){ document.removeEventListener( 'mousewheel', onDocumentMouseScroll, false ); } + // Rolling 3D links + if( config.rollingLinks ) { + enableRollingLinks(); + } + else { + disableRollingLinks(); + } + // Iframe link previews if( config.previewLinks ) { enablePreviewLinks(); @@ -697,6 +708,50 @@ var Reveal = (function(){ } + /** + * Wrap all links in 3D goodness. + */ + function enableRollingLinks() { + + if( supports3DTransforms && !( 'msPerspective' in document.body.style ) ) { + var anchors = document.querySelectorAll( SLIDES_SELECTOR + ' a:not(.image)' ); + + for( var i = 0, len = anchors.length; i < len; i++ ) { + var anchor = anchors[i]; + + if( anchor.textContent && !anchor.querySelector( '*' ) && ( !anchor.className || !anchor.classList.contains( anchor, 'roll' ) ) ) { + var span = document.createElement('span'); + span.setAttribute('data-title', anchor.text); + span.innerHTML = anchor.innerHTML; + + anchor.classList.add( 'roll' ); + anchor.innerHTML = ''; + anchor.appendChild(span); + } + } + } + + } + + /** + * Unwrap all 3D links. + */ + function disableRollingLinks() { + + 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; + } + } + + } + /** * Bind preview frame links. */ diff --git a/js/reveal.min.js b/js/reveal.min.js index 1f8a55c5..ca60ebfb 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,8 +1,8 @@ /*! - * reveal.js 2.5.0 (2013-07-20, 22:53) + * reveal.js 2.5.0 (2013-07-26, 09:32) * 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 Ot||It?(window.addEventListener("load",L,!1),l(Pt,e),r(),o(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function t(){if(Rt.theme=document.querySelector("#theme"),Rt.wrapper=document.querySelector(".reveal"),Rt.slides=document.querySelector(".reveal .slides"),document.querySelector(".reveal .backgrounds")||(Rt.background=document.createElement("div"),Rt.background.classList.add("backgrounds"),Rt.wrapper.appendChild(Rt.background)),!Rt.wrapper.querySelector(".progress")){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="",Rt.wrapper.appendChild(e)}if(!Rt.wrapper.querySelector(".controls")){var t=document.createElement("aside");t.classList.add("controls"),t.innerHTML='
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