add isVerticalSlide utility method
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23
js/reveal.js
23
js/reveal.js
@ -932,6 +932,22 @@ var Reveal = (function(){
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}
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/**
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* Checks if the current or specified slide is vertical
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* (nested within another slide).
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*
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* @param {HTMLElement} slide [optional] The slide to check
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* orientation of
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*/
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function isVerticalSlide( slide ) {
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// Prefer slide argument, otherwise use current slide
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slide = slide ? slide : currentSlide;
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return slide && !!slide.parentNode.nodeName.match( /section/i );
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}
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/**
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* Handling the fullscreen functionality via the fullscreen API
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*
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@ -1229,7 +1245,7 @@ var Reveal = (function(){
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element.style.display = distance > 3 ? 'none' : 'block';
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}
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var reverse = config.rtl && !element.parentNode.nodeName.match( /section/gi );
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var reverse = config.rtl && !isVerticalSlide( element );
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element.classList.remove( 'past' );
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element.classList.remove( 'present' );
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@ -1362,7 +1378,6 @@ var Reveal = (function(){
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// Highlight fragment directions
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if( currentSlide ) {
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var isVertical = !!currentSlide.parentNode.nodeName.match( /section/gi );
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// Always apply fragment decorator to prev/next buttons
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if( fragments.prev ) dom.controlsPrev.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } );
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@ -1370,7 +1385,7 @@ var Reveal = (function(){
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// Apply fragment decorators to directional buttons based on
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// what slide axis they are in
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if( isVertical ) {
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if( isVerticalSlide( currentSlide ) ) {
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if( fragments.prev ) dom.controlsUp.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } );
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if( fragments.next ) dom.controlsDown.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); } );
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}
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@ -1576,7 +1591,7 @@ var Reveal = (function(){
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// If a slide is specified, return the indices of that slide
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if( slide ) {
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var isVertical = !!slide.parentNode.nodeName.match( /section/gi );
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var isVertical = isVerticalSlide( slide );
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var slideh = isVertical ? slide.parentNode : slide;
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// Select all horizontal slides
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4
js/reveal.min.js
vendored
4
js/reveal.min.js
vendored
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