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tubestats-presentation
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removed dependency on classList (#9)

This commit is contained in:
Hakim El Hattab 2012-01-03 22:25:15 -08:00
parent 4d3c3c8d3f
commit 401c554c80
2 changed files with 38 additions and 22 deletions
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2
css/main.css
View File

@ -41,7 +41,7 @@ html, body {
} }
html { html {
background: #555a5f; background: #1c1e20;
background: -moz-radial-gradient(center, ellipse cover, #555a5f 0%, #1c1e20 100%); background: -moz-radial-gradient(center, ellipse cover, #555a5f 0%, #1c1e20 100%);
background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,#555a5f), color-stop(100%,#1c1e20)); background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,#555a5f), color-stop(100%,#1c1e20));
background: -webkit-radial-gradient(center, ellipse cover, #555a5f 0%,#1c1e20 100%); background: -webkit-radial-gradient(center, ellipse cover, #555a5f 0%,#1c1e20 100%);

58
js/reveal.js
View File

@ -121,6 +121,8 @@ var Reveal = (function(){
if( !supports2DTransforms && !supports3DTransforms ) { if( !supports2DTransforms && !supports3DTransforms ) {
document.body.setAttribute( 'class', 'no-transforms' ); document.body.setAttribute( 'class', 'no-transforms' );
// If the browser doesn't support transforms we won't be
// using JavaScript to control the presentation
return; return;
} }
@ -160,11 +162,11 @@ var Reveal = (function(){
} }
if( config.transition !== 'default' ) { if( config.transition !== 'default' ) {
dom.wrapper.classList.add( config.transition ); addClass( dom.wrapper, config.transition );
} }
if( config.theme !== 'default' ) { if( config.theme !== 'default' ) {
dom.wrapper.classList.add( config.theme ); addClass( dom.wrapper, config.theme );
} }
if( config.rollingLinks ) { if( config.rollingLinks ) {
@ -304,8 +306,8 @@ var Reveal = (function(){
for( var i = 0, len = nodes.length; i < len; i++ ) { for( var i = 0, len = nodes.length; i < len; i++ ) {
var node = nodes[i]; var node = nodes[i];
if( node.textContent && ( !node.className || !node.className.match( /roll/g ) ) ) { if( node.textContent && ( !node.className || !hasClass( node, 'roll' ) ) ) {
node.className += ' roll'; addClass( node, 'roll' );
node.innerHTML = '<span data-title="'+ node.text +'">' + node.innerHTML + '</span>'; node.innerHTML = '<span data-title="'+ node.text +'">' + node.innerHTML + '</span>';
} }
}; };
@ -320,7 +322,7 @@ var Reveal = (function(){
* can't be improved. * can't be improved.
*/ */
function activateOverview() { function activateOverview() {
dom.wrapper.classList.add( 'overview' ); addClass( dom.wrapper, 'overview' );
var horizontalSlides = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ); var horizontalSlides = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
@ -336,7 +338,7 @@ var Reveal = (function(){
hslide.style.OTransform = htransform; hslide.style.OTransform = htransform;
hslide.style.transform = htransform; hslide.style.transform = htransform;
if( !hslide.classList.contains( 'stack' ) ) { if( !hasClass( hslide, 'stack' ) ) {
// Navigate to this slide on click // Navigate to this slide on click
hslide.addEventListener( 'click', onOverviewSlideClicked, true ); hslide.addEventListener( 'click', onOverviewSlideClicked, true );
} }
@ -367,7 +369,7 @@ var Reveal = (function(){
* active slide. * active slide.
*/ */
function deactivateOverview() { function deactivateOverview() {
dom.wrapper.classList.remove( 'overview' ); removeClass( dom.wrapper, 'overview' );
var slides = Array.prototype.slice.call( document.querySelectorAll( '#reveal .slides section' ) ); var slides = Array.prototype.slice.call( document.querySelectorAll( '#reveal .slides section' ) );
@ -394,7 +396,7 @@ var Reveal = (function(){
* false otherwise * false otherwise
*/ */
function overviewIsActive() { function overviewIsActive() {
return dom.wrapper.classList.contains( 'overview' ); return hasClass( dom.wrapper, 'overview' );
} }
/** /**
@ -438,7 +440,7 @@ var Reveal = (function(){
// Enforce max and minimum index bounds // Enforce max and minimum index bounds
index = Math.max(Math.min(index, slides.length - 1), 0); index = Math.max(Math.min(index, slides.length - 1), 0);
slides[index].setAttribute('class', 'present'); slides[index].className = 'present';
for( var i = 0; i < slides.length; i++ ) { for( var i = 0; i < slides.length; i++ ) {
var slide = slides[i]; var slide = slides[i];
@ -451,16 +453,16 @@ var Reveal = (function(){
if( i < index ) { if( i < index ) {
// Any element previous to index is given the 'past' class // Any element previous to index is given the 'past' class
slide.setAttribute('class', 'past'); slide.className = 'past';
} }
else if( i > index ) { else if( i > index ) {
// Any element subsequent to index is given the 'future' class // Any element subsequent to index is given the 'future' class
slide.setAttribute('class', 'future'); slide.className = 'future';
} }
// If this element contains vertical slides // If this element contains vertical slides
if( slide.querySelector( 'section' ) ) { if( slide.querySelector( 'section' ) ) {
slide.classList.add( 'stack' ); addClass( slide, 'stack' );
} }
} }
} }
@ -505,13 +507,13 @@ var Reveal = (function(){
// Remove the 'enabled' class from all directions // Remove the 'enabled' class from all directions
[ dom.controlsLeft, dom.controlsRight, dom.controlsUp, dom.controlsDown ].forEach( function( node ) { [ dom.controlsLeft, dom.controlsRight, dom.controlsUp, dom.controlsDown ].forEach( function( node ) {
node.classList.remove( 'enabled' ); removeClass( node, 'enabled' );
} ) } )
if( routes.left ) dom.controlsLeft.classList.add( 'enabled' ); if( routes.left ) addClass( dom.controlsLeft, 'enabled' );
if( routes.right ) dom.controlsRight.classList.add( 'enabled' ); if( routes.right ) addClass( dom.controlsRight, 'enabled' );
if( routes.up ) dom.controlsUp.classList.add( 'enabled' ); if( routes.up ) addClass( dom.controlsUp, 'enabled' );
if( routes.down ) dom.controlsDown.classList.add( 'enabled' ); if( routes.down ) addClass( dom.controlsDown, 'enabled' );
} }
/** /**
@ -573,7 +575,7 @@ var Reveal = (function(){
if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) { if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) {
var verticalFragments = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' ); var verticalFragments = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' );
if( verticalFragments.length ) { if( verticalFragments.length ) {
verticalFragments[0].classList.add( 'visible' ); addClass( verticalFragments[0], 'visible' );
return true; return true;
} }
} }
@ -581,7 +583,7 @@ var Reveal = (function(){
else { else {
var horizontalFragments = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' ); var horizontalFragments = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' );
if( horizontalFragments.length ) { if( horizontalFragments.length ) {
horizontalFragments[0].classList.add( 'visible' ); addClass( horizontalFragments[0], 'visible' );
return true; return true;
} }
} }
@ -600,7 +602,7 @@ var Reveal = (function(){
if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) { if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) {
var verticalFragments = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment.visible' ); var verticalFragments = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment.visible' );
if( verticalFragments.length ) { if( verticalFragments.length ) {
verticalFragments[ verticalFragments.length - 1 ].classList.remove( 'visible' ); removeClass( verticalFragments[ verticalFragments.length - 1 ], 'visible' );
return true; return true;
} }
} }
@ -608,7 +610,7 @@ var Reveal = (function(){
else { else {
var horizontalFragments = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment.visible' ); var horizontalFragments = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment.visible' );
if( horizontalFragments.length ) { if( horizontalFragments.length ) {
horizontalFragments[ horizontalFragments.length - 1 ].classList.remove( 'visible' ); removeClass( horizontalFragments[ horizontalFragments.length - 1 ], 'visible' );
return true; return true;
} }
} }
@ -616,6 +618,20 @@ var Reveal = (function(){
return false; return false;
} }
function hasClass( node, klass ) {
return !!node.className.match( klass );
}
function addClass( node, klass ) {
if( !hasClass( node, klass ) ) {
node.className += ' ' + klass;
}
}
function removeClass( node, klass ) {
node.className = node.className.replace( klass, '' );
}
/** /**
* Triggers a navigation to the specified indices. * Triggers a navigation to the specified indices.
* *