Support for multiple elements with same data-fragment-index
When multiple elements are specified with the same data-fragment-index, they are all shown or hidden at once.
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parent
1219564e05
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76fce3b4d9
36
js/reveal.js
36
js/reveal.js
@ -1629,11 +1629,19 @@ var Reveal = (function(){
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var fragments = sortFragments( currentSlide.querySelectorAll( '.fragment:not(.visible)' ) );
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if( fragments.length ) {
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fragments[0].classList.add( 'visible' );
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// Notify subscribers of the change
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dispatchEvent( 'fragmentshown', { fragment: fragments[0] } );
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// There may be multiple fragments with the same index. We want to display all of them.
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var nextFragmentIndex = fragments[0].getAttribute( 'data-fragment-index' );
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toArray( fragments ).forEach( function( thisFragment ) {
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var f = thisFragment.getAttribute( 'data-fragment-index' );
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if( f === nextFragmentIndex ) {
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thisFragment.classList.add( 'visible' );
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// Notify subscribers of the change
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dispatchEvent( 'fragmentshown', { fragment: thisFragment } );
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}
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} );
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updateControls();
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return true;
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}
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@ -1655,10 +1663,18 @@ var Reveal = (function(){
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var fragments = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) );
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if( fragments.length ) {
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fragments[ fragments.length - 1 ].classList.remove( 'visible' );
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// Notify subscribers of the change
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dispatchEvent( 'fragmenthidden', { fragment: fragments[ fragments.length - 1 ] } );
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// There may be multiple fragments with the same index. We want to display all of them.
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var prevFragmentIndex = fragments[0].getAttribute( 'data-fragment-index' );
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toArray( fragments ).forEach( function( thisFragment ) {
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var f = thisFragment.getAttribute( 'data-fragment-index' );
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if( f === prevFragmentIndex ) {
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thisFragment.classList.remove( 'visible' );
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// Notify subscribers of the change
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dispatchEvent( 'fragmenthidden', { fragment: thisFragment } );
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}
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} );
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updateControls();
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return true;
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@ -2226,4 +2242,4 @@ var Reveal = (function(){
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}
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};
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})();
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})();
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