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Merge pull request #2133 from sean-parent/master

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Adding support for hash linked slideNumber
This commit is contained in:
Hakim El Hattab 2018-04-16 09:31:05 +02:00 committed by GitHub
commit f713d9d67d
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1 changed files with 52 additions and 33 deletions
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83
js/reveal.js
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@ -69,6 +69,10 @@
// Display the page number of the current slide
slideNumber: false,
// Use 1 based indexing for # links to match slide number (default is zero
// based)
hashOneBasedIndex: false,
// Determine which displays to show the slide number on
showSlideNumber: 'all',
@ -2252,6 +2256,40 @@
}
/**
* Return a hash URL that will resolve to the current slide location.
*/
function locationHash() {
var url = '/';
// Attempt to create a named link based on the slide's ID
var id = currentSlide ? currentSlide.getAttribute( 'id' ) : null;
if( id ) {
id = encodeURIComponent( id );
}
var indexf;
if( config.fragmentInURL ) {
indexf = getIndices().f;
}
// If the current slide has an ID, use that as a named link,
// but we don't support named links with a fragment index
if( typeof id === 'string' && id.length && indexf === undefined ) {
url = '/' + id;
}
// Otherwise use the /h/v index
else {
if( indexh > 0 || indexv > 0 || indexf !== undefined ) url += indexh + config.hashOneBasedIndex;
if( indexv > 0 || indexf !== undefined ) url += '/' + (indexv + config.hashOneBasedIndex);
if( indexf !== undefined ) url += '/' + indexf;
}
return url;
}
/**
* Checks if the current or specified slide is vertical
* (nested within another slide).
@ -2917,6 +2955,7 @@
}
/**
* Updates the slide number div to reflect the current slide.
*
@ -2970,14 +3009,18 @@
* @return {string} HTML string fragment
*/
function formatSlideNumber( a, delimiter, b ) {
var url = '#' + locationHash();
if( typeof b === 'number' && !isNaN( b ) ) {
return '<span class="slide-number-a">'+ a +'</span>' +
return '<a href="' + url + '">' +
'<span class="slide-number-a">'+ a +'</span>' +
'<span class="slide-number-delimiter">'+ delimiter +'</span>' +
'<span class="slide-number-b">'+ b +'</span>';
'<span class="slide-number-b">'+ b +'</span>' +
'</a>';
}
else {
return '<span class="slide-number-a">'+ a +'</span>';
return '<a href="' + url + '">' +
'<span class="slide-number-a">'+ a +'</span>' +
'</a>';
}
}
@ -3796,8 +3839,9 @@
}
else {
// Read the index components of the hash
var h = parseInt( bits[0], 10 ) || 0,
v = parseInt( bits[1], 10 ) || 0,
var h = parseInt( bits[0], 10 ) || 0 - config.hashOneBasedIndex,
v = parseInt( bits[1], 10 ) || 0 - config.hashOneBasedIndex,
f;
if( config.fragmentInURL ) {
f = parseInt( bits[2], 10 );
@ -3832,32 +3876,7 @@
writeURLTimeout = setTimeout( writeURL, delay );
}
else if( currentSlide ) {
var url = '/';
// Attempt to create a named link based on the slide's ID
var id = currentSlide.getAttribute( 'id' );
if( id ) {
id = encodeURIComponent( id );
}
var indexf;
if( config.fragmentInURL ) {
indexf = getIndices().f;
}
// If the current slide has an ID, use that as a named link,
// but we don't support named links with a fragment index
if( typeof id === 'string' && id.length && indexf === undefined ) {
url = '/' + id;
}
// Otherwise use the /h/v index
else {
if( indexh > 0 || indexv > 0 || indexf !== undefined ) url += indexh;
if( indexv > 0 || indexf !== undefined ) url += '/' + indexv;
if( indexf !== undefined ) url += '/' + indexf;
}
window.location.hash = url;
window.location.hash = locationHash();
}
}