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greatly simplify next/prev fragment routines

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This commit is contained in:
Hakim El Hattab 2013-04-27 16:23:28 -04:00
parent fdecb74cc8
commit 0ebda98735
2 changed files with 12 additions and 38 deletions
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46
js/reveal.js
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@ -1498,27 +1498,14 @@ var Reveal = (function(){
*/
function nextFragment() {
// Vertical slides:
if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) {
var verticalFragments = sortFragments( document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' ) );
if( currentSlide ) {
var fragments = sortFragments( currentSlide.querySelectorAll( '.fragment:not(.visible)' ) );
if( verticalFragments.length ) {
verticalFragments[0].classList.add( 'visible' );
if( fragments.length ) {
fragments[0].classList.add( 'visible' );
// Notify subscribers of the change
dispatchEvent( 'fragmentshown', { fragment: verticalFragments[0] } );
return true;
}
}
// Horizontal slides:
else {
var horizontalFragments = sortFragments( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' ) );
if( horizontalFragments.length ) {
horizontalFragments[0].classList.add( 'visible' );
// Notify subscribers of the change
dispatchEvent( 'fragmentshown', { fragment: horizontalFragments[0] } );
dispatchEvent( 'fragmentshown', { fragment: fragments[0] } );
return true;
}
}
@ -1535,27 +1522,14 @@ var Reveal = (function(){
*/
function previousFragment() {
// Vertical slides:
if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) {
var verticalFragments = sortFragments( document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment.visible' ) );
if( currentSlide ) {
var fragments = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) );
if( verticalFragments.length ) {
verticalFragments[ verticalFragments.length - 1 ].classList.remove( 'visible' );
if( fragments.length ) {
fragments[ fragments.length - 1 ].classList.remove( 'visible' );
// Notify subscribers of the change
dispatchEvent( 'fragmenthidden', { fragment: verticalFragments[ verticalFragments.length - 1 ] } );
return true;
}
}
// Horizontal slides:
else {
var horizontalFragments = sortFragments( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.present .fragment.visible' ) );
if( horizontalFragments.length ) {
horizontalFragments[ horizontalFragments.length - 1 ].classList.remove( 'visible' );
// Notify subscribers of the change
dispatchEvent( 'fragmenthidden', { fragment: horizontalFragments[ horizontalFragments.length - 1 ] } );
dispatchEvent( 'fragmenthidden', { fragment: fragments[ fragments.length - 1 ] } );
return true;
}
}

4
js/reveal.min.js vendored
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