add configure api method for update config after initialization

This commit is contained in:
Hakim El Hattab 2013-02-24 00:44:20 -05:00
parent a9b4eb9a05
commit f795cb0269
2 changed files with 65 additions and 46 deletions

View File

@ -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,

4
js/reveal.min.js vendored

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