update future classes when syncing

This commit is contained in:
Hakim El Hattab 2013-11-25 15:40:24 -05:00
parent 0fcff33a61
commit d41a5ca87f
2 changed files with 91 additions and 89 deletions

View File

@ -305,7 +305,7 @@ var Reveal = (function(){
setupDOM(); setupDOM();
// Decorate the slide DOM elements with state classes (past/future) // Decorate the slide DOM elements with state classes (past/future)
setupSlides(); formatSlides();
// Updates the presentation to match the current configuration values // Updates the presentation to match the current configuration values
configure(); configure();
@ -333,30 +333,6 @@ var Reveal = (function(){
} }
/**
* Iterates through and decorates slides DOM elements with
* appropriate classes.
*/
function setupSlides() {
var horizontalSlides = toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
horizontalSlides.forEach( function( horizontalSlide ) {
var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
verticalSlides.forEach( function( verticalSlide, y ) {
if( y > 0 ) verticalSlide.classList.add( 'future' );
sortFragments( verticalSlide.querySelectorAll( '.fragment' ) );
} );
if( verticalSlides.length === 0 ) sortFragments( horizontalSlide.querySelectorAll( '.fragment' ) );
} );
}
/** /**
* Finds and stores references to DOM elements which are * Finds and stores references to DOM elements which are
* required by the presentation. If a required element is * required by the presentation. If a required element is
@ -1031,67 +1007,6 @@ var Reveal = (function(){
} }
/**
* Return a sorted fragments list, ordered by an increasing
* "data-fragment-index" attribute.
*
* Fragments will be revealed in the order that they are returned by
* this function, so you can use the index attributes to control the
* order of fragment appearance.
*
* To maintain a sensible default fragment order, fragments are presumed
* to be passed in document order. This function adds a "fragment-index"
* attribute to each node if such an attribute is not already present,
* and sets that attribute to an integer value which is the position of
* the fragment within the fragments list.
*/
function sortFragments( fragments ) {
fragments = toArray( fragments );
var ordered = [],
unordered = [],
sorted = [];
// Group ordered and unordered elements
fragments.forEach( function( fragment, i ) {
if( fragment.hasAttribute( 'data-fragment-index' ) ) {
var index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 );
if( !ordered[index] ) {
ordered[index] = [];
}
ordered[index].push( fragment );
}
else {
unordered.push( [ fragment ] );
}
} );
// Append fragments without explicit indices in their
// DOM order
ordered = ordered.concat( unordered );
// Manually count the index up per group to ensure there
// are no gaps
var index = 0;
// Push all fragments in their sorted order to an array,
// this flattens the groups
ordered.forEach( function( group ) {
group.forEach( function( fragment ) {
sorted.push( fragment );
fragment.setAttribute( 'data-fragment-index', index );
} );
index ++;
} );
return sorted;
}
/** /**
* Applies JavaScript-controlled layout rules to the * Applies JavaScript-controlled layout rules to the
* presentation. * presentation.
@ -1676,6 +1591,8 @@ var Reveal = (function(){
// Re-create the slide backgrounds // Re-create the slide backgrounds
createBackgrounds(); createBackgrounds();
formatSlides();
updateControls(); updateControls();
updateProgress(); updateProgress();
updateBackground( true ); updateBackground( true );
@ -1683,6 +1600,30 @@ var Reveal = (function(){
} }
/**
* Iterates through and decorates slides DOM elements with
* appropriate classes.
*/
function formatSlides() {
var horizontalSlides = toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
horizontalSlides.forEach( function( horizontalSlide ) {
var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
verticalSlides.forEach( function( verticalSlide, y ) {
if( y > 0 ) verticalSlide.classList.add( 'future' );
sortFragments( verticalSlide.querySelectorAll( '.fragment' ) );
} );
if( verticalSlides.length === 0 ) sortFragments( horizontalSlide.querySelectorAll( '.fragment' ) );
} );
}
/** /**
* Updates one dimension of slides by showing the slide * Updates one dimension of slides by showing the slide
* with the specified index. * with the specified index.
@ -2306,6 +2247,67 @@ var Reveal = (function(){
} }
/**
* Return a sorted fragments list, ordered by an increasing
* "data-fragment-index" attribute.
*
* Fragments will be revealed in the order that they are returned by
* this function, so you can use the index attributes to control the
* order of fragment appearance.
*
* To maintain a sensible default fragment order, fragments are presumed
* to be passed in document order. This function adds a "fragment-index"
* attribute to each node if such an attribute is not already present,
* and sets that attribute to an integer value which is the position of
* the fragment within the fragments list.
*/
function sortFragments( fragments ) {
fragments = toArray( fragments );
var ordered = [],
unordered = [],
sorted = [];
// Group ordered and unordered elements
fragments.forEach( function( fragment, i ) {
if( fragment.hasAttribute( 'data-fragment-index' ) ) {
var index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 );
if( !ordered[index] ) {
ordered[index] = [];
}
ordered[index].push( fragment );
}
else {
unordered.push( [ fragment ] );
}
} );
// Append fragments without explicit indices in their
// DOM order
ordered = ordered.concat( unordered );
// Manually count the index up per group to ensure there
// are no gaps
var index = 0;
// Push all fragments in their sorted order to an array,
// this flattens the groups
ordered.forEach( function( group ) {
group.forEach( function( fragment ) {
sorted.push( fragment );
fragment.setAttribute( 'data-fragment-index', index );
} );
index ++;
} );
return sorted;
}
/** /**
* Navigate to the specified slide fragment. * Navigate to the specified slide fragment.
* *

6
js/reveal.min.js vendored

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