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support for named links (closes #55)

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This commit is contained in:
Hakim El Hattab
2012-08-20 22:13:00 -04:00
parent 5bd5ac67a4
commit 141d69469c
3 changed files with 69 additions and 19 deletions
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9
README.md
View File

@@ -165,6 +165,15 @@ Reveal.addEventListener( 'fragmenthidden', function( event ) {
} );
```
### Internal links
It's easy to link between slides. The first example below targets the index of another slide whereas the second targets a slide with an ID attribute (```<section id="'"some-slide">```):
```html
<a href="#/2/2">Link</a>
<a href="#/some-slide">Link</a>
```
## PDF Export
Presentations can be exported to PDF via a special print stylesheet. This feature requires that you use [Google Chrome](http://google.com/chrome).

61
js/reveal.js
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@@ -1,5 +1,5 @@
/*!
* reveal.js 2.0 r19
* reveal.js 2.0 r20
* http://lab.hakim.se/reveal-js
* MIT licensed
*
@@ -834,15 +834,36 @@ var Reveal = (function(){
* Reads the current URL (hash) and navigates accordingly.
*/
function readURL() {
// Break the hash down to separate components
var bits = window.location.hash.slice(2).split('/');
var hash = window.location.hash;
// Attempt to parse the hash as either an index or name
var bits = hash.slice( 2 ).split( '/' ),
name = hash.replace( /#|\//gi, '' );
// If the first bit is invalid and there is a name we can
// assume that this is a named link
if( isNaN( parseInt( bits[0] ) ) && name.length ) {
// Find the slide with the specified name
var slide = document.querySelector( '#' + name );
if( slide ) {
// Find the position of the named slide and navigate to it
var indices = Reveal.getIndices( slide );
navigateTo( indices.h, indices.v );
}
// If the slide doesn't exist, navigate to the current slide
else {
navigateTo( indexh, indexv );
}
}
else {
// Read the index components of the hash
var h = parseInt( bits[0] ) || 0 ;
var v = parseInt( bits[1] ) || 0 ;
var h = parseInt( bits[0] ) || 0,
v = parseInt( bits[1] ) || 0;
navigateTo( h, v );
}
}
/**
* Updates the page URL (hash) to reflect the current
@@ -1049,12 +1070,30 @@ var Reveal = (function(){
addEventListeners: addEventListeners,
removeEventListeners: removeEventListeners,
// Returns the indices of the current slide
getIndices: function() {
return {
h: indexh,
v: indexv
};
// Returns the indices of the current, or specified, slide
getIndices: function( slide ) {
// By default, return the current indices
var h = indexh,
v = indexv;
// If a slide is specified, return the indices of that slide
if( slide ) {
var isVertical = !!slide.parentNode.nodeName.match( /section/gi );
var slideh = isVertical ? slide.parentNode : slide;
// Select all horizontal slides
var horizontalSlides = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
// Now that we know which the horizontal slide is, get its index
h = Math.max( horizontalSlides.indexOf( slideh ), 0 );
// If this is a vertical slide, grab the vertical index
if( isVertical ) {
v = Math.max( Array.prototype.slice.call( slide.parentNode.children ).indexOf( slide ), 0 );
}
}
return { h: h, v: v };
},
// Returns the previous slide element, may be null

14
js/reveal.min.js vendored
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@@ -1,5 +1,5 @@
/*!
* reveal.js 2.0 r19
* reveal.js 2.0 r20
* http://lab.hakim.se/reveal-js
* MIT licensed
*
@@ -51,7 +51,8 @@ c=ab(b,an===undefined?c:an);stateLoop:for(var ah=0,ak=ac.length;ah<ak;ah++){for(
}else{w=null;}if(w){w.classList.remove("present");}}function q(){if(!N.controls||!d.controls){return;}var ad=f();[d.controlsLeft,d.controlsRight,d.controlsUp,d.controlsDown].forEach(function(ae){ae.classList.remove("enabled");
});if(ad.left){d.controlsLeft.classList.add("enabled");}if(ad.right){d.controlsRight.classList.add("enabled");}if(ad.up){d.controlsUp.classList.add("enabled");
}if(ad.down){d.controlsDown.classList.add("enabled");}}function f(){var ad=document.querySelectorAll(k);var ae=document.querySelectorAll(b);return{left:l>0,right:l<ad.length-1,up:c>0,down:c<ae.length-1};
}function H(){var af=window.location.hash.slice(2).split("/");var ae=parseInt(af[0])||0;var ad=parseInt(af[1])||0;L(ae,ad);}function g(){if(N.history){var ad="/";
}function H(){var ai=window.location.hash;var ah=ai.slice(2).split("/"),af=ai.replace(/#|\//gi,"");if(isNaN(parseInt(ah[0]))&&af.length){var ad=document.querySelector("#"+af);
if(ad){var aj=Reveal.getIndices(ad);L(aj.h,aj.v);}else{L(l,c);}}else{var ag=parseInt(ah[0])||0,ae=parseInt(ah[1])||0;L(ag,ae);}}function g(){if(N.history){var ad="/";
if(l>0||c>0){ad+=l;}if(c>0){ad+="/"+c;}window.location.hash=ad;}}function p(ae,ad){var af=document.createEvent("HTMLEvents",1,2);af.initEvent(ae,true,true);
r(af,ad);d.wrapper.dispatchEvent(af);}function t(){if(document.querySelector(b+".present")){var ae=document.querySelectorAll(b+".present .fragment:not(.visible)");
if(ae.length){ae[0].classList.add("visible");p("fragmentshown",{fragment:ae[0]});return true;}}else{var ad=document.querySelectorAll(k+".present .fragment:not(.visible)");
@@ -61,8 +62,9 @@ if(ad.length){ad[ad.length-1].classList.remove("visible");p("fragmenthidden",{fr
if(N.autoSlide){j=setTimeout(v,N.autoSlide);}}function L(ae,ad){a(ae,ad);}function z(){if(V()||M()===false){a(l-1,0);}}function i(){if(V()||t()===false){a(l+1,0);
}}function s(){if(V()||M()===false){a(l,c-1);}}function D(){if(V()||t()===false){a(l,c+1);}}function U(){if(M()===false){if(f().up){s();}else{var ad=document.querySelector(".reveal .slides>section.past:nth-child("+l+")");
if(ad){c=(ad.querySelectorAll("section").length+1)||0;l--;a();}}}}function v(){if(t()===false){f().down?D():i();}K();}function T(){if(V()){Y();}else{G();
}}return{initialize:h,navigateTo:L,navigateLeft:z,navigateRight:i,navigateUp:s,navigateDown:D,navigatePrev:U,navigateNext:v,toggleOverview:T,addEventListeners:C,removeEventListeners:Q,getIndices:function(){return{h:l,v:c};
},getPreviousSlide:function(){return w;},getCurrentSlide:function(){return E;},getQueryHash:function(){var ad={};location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(ae){ad[ae.split("=").shift()]=ae.split("=").pop();
});return ad;},addEventListener:function(ae,af,ad){if("addEventListener" in window){(d.wrapper||document.querySelector(".reveal")).addEventListener(ae,af,ad);
}},removeEventListener:function(ae,af,ad){if("addEventListener" in window){(d.wrapper||document.querySelector(".reveal")).removeEventListener(ae,af,ad);
}}return{initialize:h,navigateTo:L,navigateLeft:z,navigateRight:i,navigateUp:s,navigateDown:D,navigatePrev:U,navigateNext:v,toggleOverview:T,addEventListeners:C,removeEventListeners:Q,getIndices:function(ad){var ah=l,af=c;
if(ad){var ai=!!ad.parentNode.nodeName.match(/section/gi);var ag=ai?ad.parentNode:ad;var ae=Array.prototype.slice.call(document.querySelectorAll(k));ah=Math.max(ae.indexOf(ag),0);
if(ai){af=Math.max(Array.prototype.slice.call(ad.parentNode.children).indexOf(ad),0);}}return{h:ah,v:af};},getPreviousSlide:function(){return w;},getCurrentSlide:function(){return E;
},getQueryHash:function(){var ad={};location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(ae){ad[ae.split("=").shift()]=ae.split("=").pop();});return ad;
},addEventListener:function(ae,af,ad){if("addEventListener" in window){(d.wrapper||document.querySelector(".reveal")).addEventListener(ae,af,ad);}},removeEventListener:function(ae,af,ad){if("addEventListener" in window){(d.wrapper||document.querySelector(".reveal")).removeEventListener(ae,af,ad);
}}};})();