From fecee266b680c01d1a89ab754bb25a81fd1c35be Mon Sep 17 00:00:00 2001 From: Hakim El Hattab Date: Fri, 16 Aug 2013 09:31:13 -0400 Subject: [PATCH] start work on logic for fitting an element to remaining slide height #244 #490 #561 --- js/reveal.js | 57 ++++++++++++++++++++++++++++++++++++++++++++++++ js/reveal.min.js | 4 ++-- 2 files changed, 59 insertions(+), 2 deletions(-) diff --git a/js/reveal.js b/js/reveal.js index 85e238a..acd5623 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -722,6 +722,56 @@ var Reveal = (function(){ } + function getComputedCSSProperty( element, prop ) { + + if( window.getComputedStyle ) { + return window.getComputedStyle( element )[ prop ]; + } + else { + return element.currentStyle ? element.currentStyle( prop ) : element.style[ prop ]; + } + + } + + /** + * Returns the remaining height within the parent element + * of the target after taking out the height of all + * siblings. + * + * remaining height = [parent height] - [ siblings height] + */ + function getRemainingHeight( element ) { + + var height = 0; + + if( element ) { + var parent = element.parentNode; + var siblings = parent.childNodes; + + height = config.height; + + // Remove the height of each sibling + toArray( siblings ).forEach( function( sibling ) { + + if( typeof sibling.offsetHeight === 'number' && sibling !== element ) { + + var marginTop = parseInt( getComputedCSSProperty( sibling, 'margin-top' ), 10 ); + var marginBottom = parseInt( getComputedCSSProperty( sibling, 'margin-bottom' ), 10 ); + + console.log( marginTop, marginBottom ); + + height -= sibling.offsetHeight + marginTop + marginBottom; + + } + + } ); + + } + + return height; + + } + /** * Checks if this instance is being used to print a PDF. */ @@ -1017,6 +1067,13 @@ var Reveal = (function(){ updateProgress(); + // Handle sizing of elements with the 'remaining-height' class + toArray( dom.slides.querySelectorAll( 'section > .remaining-height' ) ).forEach( function( element ) { + + element.style.height = getRemainingHeight( element ) + 'px'; + + } ); + } } diff --git a/js/reveal.min.js b/js/reveal.min.js index 5a83483..e50cdb6 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,8 +1,8 @@ /*! - * reveal.js 2.5.0 (2013-08-15, 08:53) + * reveal.js 2.5.0 (2013-08-16, 09:29) * 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 t(),Rt||Ct?(window.addEventListener("load",x,!1),d(zt,e),h(),n(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function t(){Ct="WebkitPerspective"in document.body.style||"MozPerspective"in document.body.style||"msPerspective"in document.body.style||"OPerspective"in document.body.style||"perspective"in document.body.style,Rt="WebkitTransform"in document.body.style||"MozTransform"in document.body.style||"msTransform"in document.body.style||"OTransform"in document.body.style||"transform"in document.body.style,It=navigator.userAgent.match(/(iphone|ipod|android)/gi)}function n(){function e(){n.length&&head.js.apply(null,n),r()}for(var t=[],n=[],o=0,a=zt.dependencies.length;a>o;o++){var i=zt.dependencies[o];(!i.condition||i.condition())&&(i.async?n.push(i.src):t.push(i.src),"function"==typeof i.callback&&head.ready(i.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],i.callback))}t.length?(head.ready(e),head.js.apply(null,t)):e()}function r(){a(),o(),c(),B(),setTimeout(function(){_t.slides.classList.remove("no-transition"),Ut=!0,b("ready",{indexh:Mt,indexv:Pt,currentSlide:Nt})},1)}function o(){var e=f(document.querySelectorAll(Xt));e.forEach(function(e){var t=f(e.querySelectorAll("section"));t.forEach(function(e,t){t>0&&e.classList.add("future")})})}function a(){_t.theme=document.querySelector("#theme"),_t.wrapper=document.querySelector(".reveal"),_t.slides=document.querySelector(".reveal .slides"),_t.slides.classList.add("no-transition"),_t.background=i(_t.wrapper,"div","backgrounds",null),_t.progress=i(_t.wrapper,"div","progress",""),_t.progressbar=_t.progress.querySelector("span"),i(_t.wrapper,"aside","controls",'
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