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Merge branch 'slidifyMarkdown' of https://github.com/webpro/reveal.js into dev

edit
Hakim El Hattab 2013-02-27 14:20:26 -05:00
parent 2e8e73a847 7207122c75
commit 3321e8b600
3 changed files with 263 additions and 8 deletions
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demo.md 100644
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# External markdown
## Slide 1.1
Content 1.1
## Slide 1.2
Content 1.2
## Slide 2
Content 2.1
## Slide 3.1
Content 3.1
## Slide 3.2
Content 3.2

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index-markdown.html 100644
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - The HTML Presentation Framework</title>
<meta name="description" content="A framework for easily creating beautiful presentations using HTML">
<meta name="author" content="Hakim El Hattab">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/default.css" id="theme">
<!-- For syntax highlighting -->
<link rel="stylesheet" href="lib/css/zenburn.css">
<!-- If the query includes 'print-pdf', use the PDF print sheet -->
<script>
document.write( '<link rel="stylesheet" href="css/print/' + ( window.location.search.match( /print-pdf/gi ) ? 'pdf' : 'paper' ) + '.css" type="text/css" media="print">' );
</script>
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<!-- Use external markdown resource, and separate slides by three newlines; vertical slides by two newlines -->
<section data-markdown="demo.md" data-separator="^\n\n\n" data-vertical="^\n\n"></section>
<!-- Slides are separated by three dashes (quick 'n dirty regular expression) -->
<section data-markdown data-separator="---">
<script type="text/template">
Slide 1
---
Slide 2
---
Slide 3
</script>
</section>
<!-- Slides are separated by newline + three dashes + newline, vertical slides identical but two dashes -->
<section data-markdown data-separator="^\n---\n$" data-vertical="^\n--\n$">
<script type="text/template">
Slide 1.1
--
Slide 1.2
---
Slide 2
</script>
</section>
<!-- No "extra" slides, since there are no separators defined (so they'll become horizontal rulers) -->
<section data-markdown>
<script type="text/template">
A
---
B
---
C
</script>
</section>
</div>
</div>
<script src="lib/js/head.min.js"></script>
<script src="js/reveal.js"></script>
<script>
// Full list of configuration options available here:
// https://github.com/hakimel/reveal.js#configuration
Reveal.initialize({
controls: true,
progress: true,
history: true,
center: true,
theme: Reveal.getQueryHash().theme, // available themes are in /css/theme
transition: Reveal.getQueryHash().transition || 'default', // default/cube/page/concave/zoom/linear/fade/none
// Optional libraries used to extend on reveal.js
dependencies: [
{ src: 'lib/js/classList.js', condition: function() { return !document.body.classList; } },
{ src: 'plugin/markdown/showdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
{ src: 'plugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
{ src: 'plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }
// { src: 'plugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } }
]
});
</script>
</body>
</html>

124
plugin/markdown/markdown.js
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throw 'The reveal.js Markdown plugin requires Showdown to be loaded'; throw 'The reveal.js Markdown plugin requires Showdown to be loaded';
} }
var sections = document.querySelectorAll( '[data-markdown]' ); var stripLeadingWhitespace = function(section) {
for( var i = 0, len = sections.length; i < len; i++ ) {
var section = sections[i];
var notes = section.querySelector( 'aside.notes' );
var template = section.querySelector( 'script' ); var template = section.querySelector( 'script' );
@ -27,11 +23,125 @@
text = text.replace( new RegExp('\\n? {' + leadingWs + '}','g'), '\n' ); text = text.replace( new RegExp('\\n? {' + leadingWs + '}','g'), '\n' );
} }
section.innerHTML = (new Showdown.converter()).makeHtml(text); return text;
};
var slidifyMarkdown = function(markdown, separator, vertical) {
separator = separator || '^\n---\n$';
var reSeparator = new RegExp(separator + (vertical ? '|' + vertical : ''), 'mg'),
reHorSeparator = new RegExp(separator),
matches,
lastIndex = 0,
isHorizontal,
wasHorizontal = true,
content,
sectionStack = [],
markdownSections = '';
// iterate until all blocks between separators are stacked up
while( matches = reSeparator.exec(markdown) ) {
// determine direction (horizontal by default)
isHorizontal = reHorSeparator.test(matches[0]);
if( !isHorizontal && wasHorizontal ) {
// create vertical stack
sectionStack.push([]);
}
// pluck slide content from markdown input
content = markdown.substring(lastIndex, matches.index);
if( isHorizontal && wasHorizontal ) {
// add to horizontal stack
sectionStack.push(content);
} else {
// add to vertical stack
sectionStack[sectionStack.length-1].push(content);
}
lastIndex = reSeparator.lastIndex;
wasHorizontal = isHorizontal;
}
// add the remaining slide
(wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1]).push(markdown.substring(lastIndex));
// flatten the hierarchical stack, and insert <section data-markdown> tags
for( var k = 0, klen = sectionStack.length; k < klen; k++ ) {
markdownSections += typeof sectionStack[k] === 'string'
? '<section data-markdown>' + sectionStack[k] + '</section>'
: '<section><section data-markdown>' + sectionStack[k].join('</section><section data-markdown>') + '</section></section>';
}
return markdownSections;
};
var querySlidingMarkdown = function() {
var sections = document.querySelectorAll( '[data-markdown]'),
section;
for( var j = 0, jlen = sections.length; j < jlen; j++ ) {
section = sections[j];
if( section.getAttribute('data-markdown').length ) {
var xhr = new XMLHttpRequest(),
url = section.getAttribute('data-markdown');
xhr.onreadystatechange = function () {
if( xhr.readyState === 4 ) {
section.outerHTML = slidifyMarkdown( xhr.responseText, section.getAttribute('data-separator'), section.getAttribute('data-vertical') );
}
};
xhr.open('GET', url, false);
xhr.send();
} else if( section.getAttribute('data-separator') ) {
var markdown = stripLeadingWhitespace(section);
section.outerHTML = slidifyMarkdown( markdown, section.getAttribute('data-separator'), section.getAttribute('data-vertical') );
}
}
};
var queryMarkdownSlides = function() {
var sections = document.querySelectorAll( '[data-markdown]');
for( var j = 0, jlen = sections.length; j < jlen; j++ ) {
makeHtml(sections[j]);
}
};
var makeHtml = function(section) {
var notes = section.querySelector( 'aside.notes' );
var markdown = stripLeadingWhitespace(section);
section.innerHTML = (new Showdown.converter()).makeHtml(markdown);
if( notes ) { if( notes ) {
section.appendChild( notes ); section.appendChild( notes );
} }
}
};
querySlidingMarkdown();
queryMarkdownSlides();
})(); })();