make plugins work with multiple presentations on same page

edit
Hakim El Hattab 2020-04-23 10:54:48 +02:00
parent 210fbb7646
commit b92d16f48d
9 changed files with 626 additions and 561 deletions

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@ -3,4 +3,4 @@
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2
dist/plugin/math.js vendored
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@ -1 +1 @@
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@ -3,5 +3,5 @@
* Handles finding a text string anywhere in the slides and showing the next occurrence to the user * Handles finding a text string anywhere in the slides and showing the next occurrence to the user
* by navigatating to that slide and highlighting it. * by navigatating to that slide and highlighting it.
* *
* By Jon Snyder <snyder.jon@gmail.com>, February 2013 * @author Jon Snyder <snyder.jon@gmail.com>, February 2013
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@ -10,6 +10,7 @@
<link rel="stylesheet" href="../dist/reveal.css"> <link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/white.css" id="theme"> <link rel="stylesheet" href="../dist/theme/white.css" id="theme">
<link rel="stylesheet" href="../lib/css/monokai.css">
</head> </head>
<body style="background: #ddd;"> <body style="background: #ddd;">
@ -19,6 +20,14 @@
<div class="slides"> <div class="slides">
<section>Deck 1, Slide 1</section> <section>Deck 1, Slide 1</section>
<section>Deck 1, Slide 2</section> <section>Deck 1, Slide 2</section>
<section>
<pre data-id="code-animation"><code class="hljs" data-trim data-line-numbers>
import React, { useState } from 'react';
function Example() {
const [count, setCount] = useState(0);
}
</code></pre>
</section>
</div> </div>
</div> </div>
@ -26,16 +35,38 @@
<div class="slides"> <div class="slides">
<section>Deck 2, Slide 1</section> <section>Deck 2, Slide 1</section>
<section>Deck 2, Slide 2</section> <section>Deck 2, Slide 2</section>
<section data-markdown>
<script type="text/template">
## Markdown plugin
- 1
- 2
- 3
</script>
</section>
<section>
<h3>The Lorenz Equations</h3>
\[\begin{aligned}
\dot{x} &amp; = \sigma(y-x) \\
\dot{y} &amp; = \rho x - y - xz \\
\dot{z} &amp; = -\beta z + xy
\end{aligned} \]
</section>
</div> </div>
</div> </div>
</div> </div>
<script src="../dist/reveal.es5.js"></script> <script src="../dist/reveal.es5.js"></script>
<script src="../dist/plugin/highlight.js"></script>
<script src="../dist/plugin/markdown.js"></script>
<script src="../dist/plugin/math.js"></script>
<script> <script>
let deck1 = new Reveal( document.querySelector( '.deck1' ), { let deck1 = new Reveal( document.querySelector( '.deck1' ), {
embedded: true, embedded: true,
keyboard: false keyboard: false,
plugins: [ RevealHighlight ]
} ); } );
deck1.on( 'slidechanged', () => { deck1.on( 'slidechanged', () => {
console.log( 'Deck 1 slide changed' ); console.log( 'Deck 1 slide changed' );
@ -44,7 +75,8 @@
let deck2 = new Reveal( document.querySelector( '.deck2' ), { let deck2 = new Reveal( document.querySelector( '.deck2' ), {
embedded: true, embedded: true,
keyboard: false keyboard: true,
plugins: [ RevealMarkdown, RevealMath ]
} ); } );
deck2.initialize().then( () => { deck2.initialize().then( () => {
deck2.slide(1); deck2.slide(1);

View File

@ -13,14 +13,22 @@ let Plugin = {
HIGHLIGHT_LINE_DELIMITER: ',', HIGHLIGHT_LINE_DELIMITER: ',',
HIGHLIGHT_LINE_RANGE_DELIMITER: '-', HIGHLIGHT_LINE_RANGE_DELIMITER: '-',
init: function( deck ) { /**
* Highlights code blocks withing the given deck.
*
* Note that this can be called multiple times if
* there are multiple presentations on one page.
*
* @param {Reveal} reveal the reveal.js instance
*/
init: function( reveal ) {
// Read the plugin config options and provide fallbacks // Read the plugin config options and provide fallbacks
var config = deck.getConfig().highlight || {}; var config = reveal.getConfig().highlight || {};
config.highlightOnLoad = typeof config.highlightOnLoad === 'boolean' ? config.highlightOnLoad : true; config.highlightOnLoad = typeof config.highlightOnLoad === 'boolean' ? config.highlightOnLoad : true;
config.escapeHTML = typeof config.escapeHTML === 'boolean' ? config.escapeHTML : true; config.escapeHTML = typeof config.escapeHTML === 'boolean' ? config.escapeHTML : true;
[].slice.call( document.querySelectorAll( '.reveal pre code' ) ).forEach( function( block ) { [].slice.call( reveal.getRevealElement().querySelectorAll( 'pre code' ) ).forEach( function( block ) {
// Trim whitespace if the "data-trim" attribute is present // Trim whitespace if the "data-trim" attribute is present
if( block.hasAttribute( 'data-trim' ) && typeof block.innerHTML.trim === 'function' ) { if( block.hasAttribute( 'data-trim' ) && typeof block.innerHTML.trim === 'function' ) {
@ -45,8 +53,8 @@ let Plugin = {
// If we're printing to PDF, scroll the code highlights of // If we're printing to PDF, scroll the code highlights of
// all blocks in the deck into view at once // all blocks in the deck into view at once
deck.on( 'pdf-ready', function() { reveal.on( 'pdf-ready', function() {
[].slice.call( document.querySelectorAll( '.reveal pre code[data-line-numbers].current-fragment' ) ).forEach( function( block ) { [].slice.call( reveal.getRevealElement().querySelectorAll( 'pre code[data-line-numbers].current-fragment' ) ).forEach( function( block ) {
Plugin.scrollHighlightedLineIntoView( block, {}, true ); Plugin.scrollHighlightedLineIntoView( block, {}, true );
} ); } );
} ); } );

View File

@ -6,53 +6,17 @@
import marked from './marked.js' import marked from './marked.js'
let Plugin = { const DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$',
id: 'markdown',
/**
* Starts processing and converting Markdown within the
* current reveal.js deck.
*/
init: function( deck ) {
// This should no longer be needed, as long as the highlight.js
// plugin is included after the markdown plugin
// if( typeof window.hljs !== 'undefined' ) {
// marked.setOptions({
// highlight: function( code, lang ) {
// return window.hljs.highlightAuto( code, lang ? [lang] : null ).value;
// }
// });
// }
// marked can be configured via reveal.js config options
var options = deck.getConfig().markdown;
if( options ) {
marked.setOptions( options );
}
return processSlides( deck.getRevealElement() ).then( convertSlides );
},
// TODO: Do these belong in the API?
processSlides: processSlides,
convertSlides: convertSlides,
slidify: slidify,
marked: marked
};
export default () => Plugin;
var DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$',
DEFAULT_NOTES_SEPARATOR = 'notes?:', DEFAULT_NOTES_SEPARATOR = 'notes?:',
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\\.element\\\s*?(.+?)$', DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\\.element\\\s*?(.+?)$',
DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\\.slide:\\\s*?(\\\S.+?)$'; DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\\.slide:\\\s*?(\\\S.+?)$';
var SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__'; const SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__';
const Plugin = () => {
// The reveal.js instance this plugin is attached to
let deck;
/** /**
* Retrieves the markdown contents of a slide section * Retrieves the markdown contents of a slide section
@ -404,7 +368,7 @@ function addAttributes( section, element, previousElement, separatorElementAttri
*/ */
function convertSlides() { function convertSlides() {
var sections = document.querySelectorAll( '[data-markdown]:not([data-markdown-parsed])'); var sections = deck.getRevealElement().querySelectorAll( '[data-markdown]:not([data-markdown-parsed])');
[].slice.call( sections ).forEach( function( section ) { [].slice.call( sections ).forEach( function( section ) {
@ -432,3 +396,45 @@ function convertSlides() {
return Promise.resolve(); return Promise.resolve();
} }
return {
id: 'markdown',
/**
* Starts processing and converting Markdown within the
* current reveal.js deck.
*/
init: function( reveal ) {
deck = reveal;
// This should no longer be needed, as long as the highlight.js
// plugin is included after the markdown plugin
// if( typeof window.hljs !== 'undefined' ) {
// marked.setOptions({
// highlight: function( code, lang ) {
// return window.hljs.highlightAuto( code, lang ? [lang] : null ).value;
// }
// });
// }
// marked can be configured via reveal.js config options
var options = deck.getConfig().markdown;
if( options ) {
marked.setOptions( options );
}
return processSlides( deck.getRevealElement() ).then( convertSlides );
},
// TODO: Do these belong in the API?
processSlides: processSlides,
convertSlides: convertSlides,
slidify: slidify,
marked: marked
}
};
export default Plugin;

View File

@ -4,14 +4,12 @@
* *
* @author Hakim El Hattab * @author Hakim El Hattab
*/ */
let Plugin = (function(){ const Plugin = () => {
var options = Reveal.getConfig().math || {}; // The reveal.js instance this plugin is attached to
var mathjax = options.mathjax || 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js'; let deck;
var config = options.config || 'TeX-AMS_HTML-full';
var url = mathjax + '?config=' + config;
var defaultOptions = { let defaultOptions = {
messageStyle: 'none', messageStyle: 'none',
tex2jax: { tex2jax: {
inlineMath: [ [ '$', '$' ], [ '\\(', '\\)' ] ], inlineMath: [ [ '$', '$' ], [ '\\(', '\\)' ] ],
@ -20,25 +18,15 @@ let Plugin = (function(){
skipStartupTypeset: true skipStartupTypeset: true
}; };
function defaults( options, defaultOptions ) {
for ( var i in defaultOptions ) {
if ( !options.hasOwnProperty( i ) ) {
options[i] = defaultOptions[i];
}
}
}
function loadScript( url, callback ) { function loadScript( url, callback ) {
var head = document.querySelector( 'head' ); let head = document.querySelector( 'head' );
var script = document.createElement( 'script' ); let script = document.createElement( 'script' );
script.type = 'text/javascript'; script.type = 'text/javascript';
script.src = url; script.src = url;
// Wrapper for callback to make sure it only fires once // Wrapper for callback to make sure it only fires once
var finish = function() { let finish = () => {
if( typeof callback === 'function' ) { if( typeof callback === 'function' ) {
callback.call(); callback.call();
callback = null; callback = null;
@ -48,7 +36,7 @@ let Plugin = (function(){
script.onload = finish; script.onload = finish;
// IE // IE
script.onreadystatechange = function() { script.onreadystatechange = () => {
if ( this.readyState === 'loaded' ) { if ( this.readyState === 'loaded' ) {
finish(); finish();
} }
@ -62,10 +50,19 @@ let Plugin = (function(){
return { return {
id: 'math', id: 'math',
init: function( deck ) { init: function( reveal ) {
deck = reveal;
let revealOptions = deck.getConfig().math || {};
let options = { ...defaultOptions, ...revealOptions };
let mathjax = options.mathjax || 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js';
let config = options.config || 'TeX-AMS_HTML-full';
let url = mathjax + '?config=' + config;
options.tex2jax = { ...defaultOptions.tex2jax, ...revealOptions.tex2jax };
defaults( options, defaultOptions );
defaults( options.tex2jax, defaultOptions.tex2jax );
options.mathjax = options.config = null; options.mathjax = options.config = null;
loadScript( url, function() { loadScript( url, function() {
@ -74,7 +71,7 @@ let Plugin = (function(){
// Typeset followed by an immediate reveal.js layout since // Typeset followed by an immediate reveal.js layout since
// the typesetting process could affect slide height // the typesetting process could affect slide height
MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub ] ); MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub, deck.getRevealElement() ] );
MathJax.Hub.Queue( deck.layout ); MathJax.Hub.Queue( deck.layout );
// Reprocess equations in slides when they turn visible // Reprocess equations in slides when they turn visible
@ -89,6 +86,6 @@ let Plugin = (function(){
} }
} }
})(); };
export default () => Plugin; export default Plugin;

View File

@ -2,22 +2,129 @@
* Handles finding a text string anywhere in the slides and showing the next occurrence to the user * Handles finding a text string anywhere in the slides and showing the next occurrence to the user
* by navigatating to that slide and highlighting it. * by navigatating to that slide and highlighting it.
* *
* By Jon Snyder <snyder.jon@gmail.com>, February 2013 * @author Jon Snyder <snyder.jon@gmail.com>, February 2013
*/ */
var Plugin = (function() { const Plugin = () => {
var matchedSlides; // The reveal.js instance this plugin is attached to
var currentMatchedIndex; let deck;
var searchboxDirty;
var myHilitor; let searchElement;
let searchButton;
let searchInput;
let matchedSlides;
let currentMatchedIndex;
let searchboxDirty;
let hilitor;
function render() {
searchElement = document.createElement( 'div' );
searchElement.classList.add( 'searchbox' );
searchElement.style.position = 'absolute';
searchElement.style.top = '10px';
searchElement.style.right = '10px';
searchElement.style.zIndex = 10;
//embedded base64 search icon Designed by Sketchdock - http://www.sketchdock.com/:
searchElement.innerHTML = `<input type="search" class="searchinput" placeholder="Search..." style="vertical-align: top;"/>
</span>`;
searchInput = searchElement.querySelector( '.searchinput' );
searchInput.style.width = '240px';
searchInput.style.fontSize = '14px';
searchInput.style.padding = '4px 6px';
searchInput.style.color = '#000';
searchInput.style.background = '#fff';
searchInput.style.borderRadius = '2px';
searchInput.style.border = '0';
searchInput.style.outline = '0';
searchInput.style.boxShadow = '0 2px 18px rgba(0, 0, 0, 0.2)';
searchInput.style['-webkit-appearance'] = 'none';
deck.getRevealElement().appendChild( searchElement );
// searchButton.addEventListener( 'click', function(event) {
// doSearch();
// }, false );
searchInput.addEventListener( 'keyup', function( event ) {
switch (event.keyCode) {
case 13:
event.preventDefault();
doSearch();
searchboxDirty = false;
break;
default:
searchboxDirty = true;
}
}, false );
closeSearch();
}
function openSearch() {
if( !searchElement ) render();
searchElement.style.display = 'inline';
searchInput.focus();
searchInput.select();
}
function closeSearch() {
if( !searchElement ) render();
searchElement.style.display = 'none';
if(hilitor) hilitor.remove();
}
function toggleSearch() {
if( !searchElement ) render();
if (searchElement.style.display !== 'inline') {
openSearch();
}
else {
closeSearch();
}
}
function doSearch() {
//if there's been a change in the search term, perform a new search:
if (searchboxDirty) {
var searchstring = searchInput.value;
if (searchstring === '') {
if(hilitor) hilitor.remove();
matchedSlides = null;
}
else {
//find the keyword amongst the slides
hilitor = new Hilitor("slidecontent");
matchedSlides = hilitor.apply(searchstring);
currentMatchedIndex = 0;
}
}
if (matchedSlides) {
//navigate to the next slide that has the keyword, wrapping to the first if necessary
if (matchedSlides.length && (matchedSlides.length <= currentMatchedIndex)) {
currentMatchedIndex = 0;
}
if (matchedSlides.length > currentMatchedIndex) {
deck.slide(matchedSlides[currentMatchedIndex].h, matchedSlides[currentMatchedIndex].v);
currentMatchedIndex++;
}
}
}
// Original JavaScript code by Chirp Internet: www.chirp.com.au // Original JavaScript code by Chirp Internet: www.chirp.com.au
// Please acknowledge use of this code by including this header. // Please acknowledge use of this code by including this header.
// 2/2013 jon: modified regex to display any match, not restricted to word boundaries. // 2/2013 jon: modified regex to display any match, not restricted to word boundaries.
function Hilitor(id, tag) {
function Hilitor(id, tag)
{
var targetNode = document.getElementById(id) || document.body; var targetNode = document.getElementById(id) || document.body;
var hiliteTag = tag || "EM"; var hiliteTag = tag || "EM";
@ -51,6 +158,7 @@ function Hilitor(id, tag)
this.hiliteWords(node.childNodes[i]); this.hiliteWords(node.childNodes[i]);
} }
if(node.nodeType == 3) { // NODE_TEXT if(node.nodeType == 3) { // NODE_TEXT
var nv, regs;
if((nv = node.nodeValue) && (regs = matchRegex.exec(nv))) { if((nv = node.nodeValue) && (regs = matchRegex.exec(nv))) {
//find the slide's section element and save it in our list of matching slides //find the slide's section element and save it in our list of matching slides
var secnode = node; var secnode = node;
@ -58,7 +166,7 @@ function Hilitor(id, tag)
secnode = secnode.parentNode; secnode = secnode.parentNode;
} }
var slideIndex = Reveal.getIndices(secnode); var slideIndex = deck.getIndices(secnode);
var slidelen = matchingSlides.length; var slidelen = matchingSlides.length;
var alreadyAdded = false; var alreadyAdded = false;
for (var i=0; i < slidelen; i++) { for (var i=0; i < slidelen; i++) {
@ -91,6 +199,7 @@ function Hilitor(id, tag)
this.remove = function() this.remove = function()
{ {
var arr = document.getElementsByTagName(hiliteTag); var arr = document.getElementsByTagName(hiliteTag);
var el;
while(arr.length && (el = arr[0])) { while(arr.length && (el = arr[0])) {
el.parentNode.replaceChild(el.firstChild, el); el.parentNode.replaceChild(el.firstChild, el);
} }
@ -108,91 +217,14 @@ function Hilitor(id, tag)
} }
function openSearch() { return {
//ensure the search term input dialog is visible and has focus:
var inputboxdiv = document.getElementById("searchinputdiv");
var inputbox = document.getElementById("searchinput");
inputboxdiv.style.display = "inline";
inputbox.focus();
inputbox.select();
}
function closeSearch() { id: 'search',
var inputboxdiv = document.getElementById("searchinputdiv");
inputboxdiv.style.display = "none";
if(myHilitor) myHilitor.remove();
}
function toggleSearch() { init: reveal => {
var inputboxdiv = document.getElementById("searchinputdiv");
if (inputboxdiv.style.display !== "inline") {
openSearch();
}
else {
closeSearch();
}
}
function doSearch() { deck = reveal;
//if there's been a change in the search term, perform a new search: deck.registerKeyboardShortcut( 'CTRL + Shift + F', 'Search' );
if (searchboxDirty) {
var searchstring = document.getElementById("searchinput").value;
if (searchstring === '') {
if(myHilitor) myHilitor.remove();
matchedSlides = null;
}
else {
//find the keyword amongst the slides
myHilitor = new Hilitor("slidecontent");
matchedSlides = myHilitor.apply(searchstring);
currentMatchedIndex = 0;
}
}
if (matchedSlides) {
//navigate to the next slide that has the keyword, wrapping to the first if necessary
if (matchedSlides.length && (matchedSlides.length <= currentMatchedIndex)) {
currentMatchedIndex = 0;
}
if (matchedSlides.length > currentMatchedIndex) {
Reveal.slide(matchedSlides[currentMatchedIndex].h, matchedSlides[currentMatchedIndex].v);
currentMatchedIndex++;
}
}
}
var dom = {};
dom.wrapper = document.querySelector( '.reveal' );
if( !dom.wrapper.querySelector( '.searchbox' ) ) {
var searchElement = document.createElement( 'div' );
searchElement.id = "searchinputdiv";
searchElement.classList.add( 'searchdiv' );
searchElement.style.position = 'absolute';
searchElement.style.top = '10px';
searchElement.style.right = '10px';
searchElement.style.zIndex = 10;
//embedded base64 search icon Designed by Sketchdock - http://www.sketchdock.com/:
searchElement.innerHTML = '<span><input type="search" id="searchinput" class="searchinput" style="vertical-align: top;"/><img src="data:image/png;base64,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" id="searchbutton" class="searchicon" style="vertical-align: top; margin-top: -1px;"/></span>';
dom.wrapper.appendChild( searchElement );
}
document.getElementById( 'searchbutton' ).addEventListener( 'click', function(event) {
doSearch();
}, false );
document.getElementById( 'searchinput' ).addEventListener( 'keyup', function( event ) {
switch (event.keyCode) {
case 13:
event.preventDefault();
doSearch();
searchboxDirty = false;
break;
default:
searchboxDirty = true;
}
}, false );
document.addEventListener( 'keydown', function( event ) { document.addEventListener( 'keydown', function( event ) {
if( event.key == "F" && (event.ctrlKey || event.metaKey) ) { //Control+Shift+f if( event.key == "F" && (event.ctrlKey || event.metaKey) ) { //Control+Shift+f
@ -201,21 +233,11 @@ function Hilitor(id, tag)
} }
}, false ); }, false );
closeSearch();
return {
id: 'search',
init: reveal => {
reveal.registerKeyboardShortcut( 'CTRL + Shift + F', 'Search' );
}, },
open: openSearch open: openSearch
} }
})(); };
export default () => Plugin; export default Plugin;