diff options
Diffstat (limited to 'plugin/markdown')
| -rw-r--r-- | plugin/markdown/example.html | 97 | ||||
| -rw-r--r-- | plugin/markdown/example.md | 29 | ||||
| -rw-r--r-- | plugin/markdown/markdown.js | 147 | ||||
| -rw-r--r-- | plugin/markdown/showdown.js | 62 |
4 files changed, 335 insertions, 0 deletions
diff --git a/plugin/markdown/example.html b/plugin/markdown/example.html new file mode 100644 index 0000000..b4e7f91 --- /dev/null +++ b/plugin/markdown/example.html @@ -0,0 +1,97 @@ +<!doctype html> +<html lang="en"> + + <head> + <meta charset="utf-8"> + + <title>reveal.js - Markdown Demo</title> + + <link rel="stylesheet" href="../../css/reveal.css"> + <link rel="stylesheet" href="../../css/theme/default.css" id="theme"> + </head> + + <body> + + <div class="reveal"> + + <div class="slides"> + + <!-- Use external markdown resource, and separate slides by three newlines; vertical slides by two newlines --> + <section data-markdown="example.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"> + ## Demo 1 + Slide 1 + --- + ## Demo 1 + Slide 2 + --- + ## Demo 1 + 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"> + ## Demo 2 + Slide 1.1 + + -- + + ## Demo 2 + Slide 1.2 + + --- + + ## Demo 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> + + Reveal.initialize({ + controls: true, + progress: true, + history: true, + center: true, + + theme: Reveal.getQueryHash().theme, + transition: Reveal.getQueryHash().transition || 'default', + + // Optional libraries used to extend on reveal.js + dependencies: [ + { src: '../../lib/js/classList.js', condition: function() { return !document.body.classList; } }, + { src: 'showdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } }, + { src: 'markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } } + ] + }); + + </script> + + </body> +</html> diff --git a/plugin/markdown/example.md b/plugin/markdown/example.md new file mode 100644 index 0000000..e988dd9 --- /dev/null +++ b/plugin/markdown/example.md @@ -0,0 +1,29 @@ +# Markdown Demo + + + +## External 1.1 + +Content 1.1 + + +## External 1.2 + +Content 1.2 + + + +## External 2 + +Content 2.1 + + + +## External 3.1 + +Content 3.1 + + +## External 3.2 + +Content 3.2 diff --git a/plugin/markdown/markdown.js b/plugin/markdown/markdown.js new file mode 100644 index 0000000..39e1168 --- /dev/null +++ b/plugin/markdown/markdown.js @@ -0,0 +1,147 @@ +// From https://gist.github.com/1343518 +// Modified by Hakim to handle Markdown indented with tabs +(function(){ + + if( typeof Showdown === 'undefined' ) { + throw 'The reveal.js Markdown plugin requires Showdown to be loaded'; + } + + var stripLeadingWhitespace = function(section) { + + var template = section.querySelector( 'script' ); + + // strip leading whitespace so it isn't evaluated as code + var text = ( template || section ).textContent; + + var leadingWs = text.match(/^\n?(\s*)/)[1].length, + leadingTabs = text.match(/^\n?(\t*)/)[1].length; + + if( leadingTabs > 0 ) { + text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' ); + } + else if( leadingWs > 1 ) { + text = text.replace( new RegExp('\\n? {' + leadingWs + '}','g'), '\n' ); + } + + 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 ) { + section.appendChild( notes ); + } + + }; + + querySlidingMarkdown(); + + queryMarkdownSlides(); + +})(); diff --git a/plugin/markdown/showdown.js b/plugin/markdown/showdown.js new file mode 100644 index 0000000..3f280f4 --- /dev/null +++ b/plugin/markdown/showdown.js @@ -0,0 +1,62 @@ +// +// showdown.js -- A javascript port of Markdown. +// +// Copyright (c) 2007 John Fraser. +// +// Original Markdown Copyright (c) 2004-2005 John Gruber +// <http://daringfireball.net/projects/markdown/> +// +// Redistributable under a BSD-style open source license. +// See license.txt for more information. +// +// The full source distribution is at: +// +// A A L +// T C A +// T K B +// +// <http://www.attacklab.net/> +// +// +// Wherever possible, Showdown is a straight, line-by-line port +// of the Perl version of Markdown. +// +// This is not a normal parser design; it's basically just a +// series of string substitutions. It's hard to read and +// maintain this way, but keeping Showdown close to the original +// design makes it easier to port new features. +// +// More importantly, Showdown behaves like markdown.pl in most +// edge cases. So web applications can do client-side preview +// in Javascript, and then build identical HTML on the server. +// +// This port needs the new RegExp functionality of ECMA 262, +// 3rd Edition (i.e. Javascript 1.5). Most modern web browsers +// should do fine. Even with the new regular expression features, +// We do a lot of work to emulate Perl's regex functionality. +// The tricky changes in this file mostly have the "attacklab:" +// label. Major or self-explanatory changes don't. +// +// Smart diff tools like Araxis Merge will be able to match up +// this file with markdown.pl in a useful way. A little tweaking +// helps: in a copy of markdown.pl, replace "#" with "//" and +// replace "$text" with "text". Be sure to ignore whitespace +// and line endings. +// +// +// Showdown usage: +// +// var text = "Markdown *rocks*."; +// +// var converter = new Showdown.converter(); +// var html = converter.makeHtml(text); +// +// alert(html); +// +// Note: move the sample code to the bottom of this +// file before uncommenting it. +// +// +// Showdown namespace +// +var Showdown={};Showdown.converter=function(){var a,b,c,d=0;this.makeHtml=function(d){return a=new Array,b=new Array,c=new Array,d=d.replace(/~/g,"~T"),d=d.replace(/\$/g,"~D"),d=d.replace(/\r\n/g,"\n"),d=d.replace(/\r/g,"\n"),d="\n\n"+d+"\n\n",d=F(d),d=d.replace(/^[ \t]+$/mg,""),d=f(d),d=e(d),d=h(d),d=D(d),d=d.replace(/~D/g,"$$"),d=d.replace(/~T/g,"~"),d};var e=function(c){var c=c.replace(/^[ ]{0,3}\[(.+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|\Z)/gm,function(c,d,e,f,g){return d=d.toLowerCase(),a[d]=z(e),f?f+g:(g&&(b[d]=g.replace(/"/g,""")),"")});return 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