forked from campiaperti/infra
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6.8 KiB
Markdown
184 lines
No EOL
6.8 KiB
Markdown
# reveal.js
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A framework for easily creating beautiful presentations using HTML. [Check out the live demo](http://lab.hakim.se/reveal-js/).
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reveal.js comes with a broad range of features including [nested slides](https://github.com/hakimel/reveal.js#markup), [markdown contents](https://github.com/hakimel/reveal.js#markdown), [PDF export](https://github.com/hakimel/reveal.js#pdf-export), [speaker notes](https://github.com/hakimel/reveal.js#speaker-notes) and a [JavaScript API](https://github.com/hakimel/reveal.js#api). It's best viewed in a browser with support for CSS 3D transforms but [fallbacks](https://github.com/hakimel/reveal.js/wiki/Browser-Support) are available to make sure your presentation can still be viewed elsewhere.
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#### More reading in the Wiki:
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- [Changelog](https://github.com/hakimel/reveal.js/wiki/Changelog): Up-to-date version history.
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- [Examples](https://github.com/hakimel/reveal.js/wiki/Example-Presentations): Presentations created with reveal.js, add your own!
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- [Browser Support](https://github.com/hakimel/reveal.js/wiki/Changelog): Explanation of browser support and fallbacks.
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## Instructions
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### Markup
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Markup heirarchy needs to be ``<div class="reveal"> <div class="slides"> <section>`` where the ``<section>`` represents one slide and can be repeated indefinitely. If you place multiple ``<section>``'s inside of another ``<section>`` they will be shown as vertical slides. For example:
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```html
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<div class="reveal">
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<div class="slides">
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<section>Single Horizontal Slide</section>
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<section>
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<section>Vertical Slide 1</section>
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<section>Vertical Slide 2</section>
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</section>
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</div>
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</div>
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```
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### Markdown
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It's possible to write your slides using Markdown. To enable Markdown simply add the ```data-markdown``` attribute to your ```<section>``` elements and reveal.js will automatically load the JavaScript parser.
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This is based on [data-markdown](https://gist.github.com/1343518) from [Paul Irish](https://github.com/paulirish) which in turn uses [showdown](https://github.com/coreyti/showdown/). This is sensitive to indentation (avoid mixing tabs and spaces) and line breaks (avoid consecutive breaks). Updates to come.
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```html
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<section data-markdown>
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## Page title
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A paragraph with some text and a [link](http://hakim.se).
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</section>
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```
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### Configuration
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At the end of your page you need to initialize reveal by running the following code. Note that all config values are optional and will default as specified below.
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```javascript
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Reveal.initialize({
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// Display controls in the bottom right corner
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controls: true,
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// Display a presentation progress bar
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progress: true,
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// Push each slide change to the browser history
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history: false,
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// Enable keyboard shortcuts for navigation
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keyboard: true,
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// Loop the presentation
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loop: false,
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// Number of milliseconds between automatically proceeding to the
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// next slide, disabled when set to 0
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autoSlide: 0,
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// Enable slide navigation via mouse wheel
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mouseWheel: true,
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// Apply a 3D roll to links on hover
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rollingLinks: true,
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// Transition style
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transition: 'default' // default/cube/page/concave/linear(2d)
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});
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```
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### API
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The Reveal class provides a minimal JavaScript API for controlling navigation and reading state:
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```javascript
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// Navigation
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Reveal.navigateTo( indexh, indexv );
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Reveal.navigateLeft();
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Reveal.navigateRight();
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Reveal.navigateUp();
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Reveal.navigateDown();
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Reveal.navigatePrev();
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Reveal.navigateNext();
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Reveal.toggleOverview();
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// Retrieves the previous and current slide elements
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Reveal.getPreviousSlide();
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Reveal.getCurrentSlide();
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Reveal.getIndices(); // { h: 0, v: 0 } }
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```
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### States
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If you set ``data-state="somestate"`` on a slide ``<section>``, "somestate" will be applied as a class on the document element when that slide is opened. This allows you to apply broad style changes to the page based on the active slide.
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Furthermore you can also listen to these changes in state via JavaScript:
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```javascript
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Reveal.addEventListener( 'somestate', function() {
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// TODO: Sprinkle magic
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}, false );
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```
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### Slide change event
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An 'slidechanged' event is fired each time the slide is changed (regardless of state). The event object holds the index values of the current slide as well as a reference to the previous and current slide HTML nodes.
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```javascript
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Reveal.addEventListener( 'slidechanged', function( event ) {
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// event.previousSlide, event.currentSlide, event.indexh, event.indexv
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} );
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```
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### Fragment events
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When a slide fragment is either shown or hidden reveal.js will dispatch an event.
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```javascript
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Reveal.addEventListener( 'fragmentshown', function( event ) {
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// event.fragment = the fragment DOM element
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} );
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Reveal.addEventListener( 'fragmenthidden', function( event ) {
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// event.fragment = the fragment DOM element
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} );
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```
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## PDF Export
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Presentations can be exported to PDF via a special print stylesheet. This feature requires that you use [Google Chrome](http://google.com/chrome).
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Here's an example of an exported presentation that's been uploaded to SlideShare: http://www.slideshare.net/hakimel/revealjs-13872948.
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1. Open the desired presentation with *print-pdf* anywhere in the query, for example: [lab.hakim.se/reveal-js?print-pdf](http://lab.hakim.se/reveal-js?print-pdf)
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2. Open the in-browser print dialog (CMD+P).
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3. Change the **Destination** setting to **Save as PDF**.
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4. Change the **Layout** to **Landscape**.
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5. Change the **Margins** to **None**.
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6. Click **Save**.
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## Speaker Notes
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If you're interested in using speaker notes, reveal.js comes with a Node server that allows you to deliver your presentation in one browser while viewing speaker notes in another.
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To include speaker notes in your presentation, simply add an `<aside class="notes">` element to any slide. These notes will be hidden in the main presentation view.
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You'll also need to [install Node.js](http://nodejs.org/); then, install the server dependencies by running `npm install`.
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Once Node.js and the dependencies are installed, run the following command from the root directory:
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node plugin/speakernotes
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By default, the slides will be served at [localhost:1947](http://localhost:1947).
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You can change the appearance of the speaker notes by editing the file at `plugin/speakernotes/notes.html`.
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### Known Issues
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- The notes page is supposed to show the current slide and the next slide, but when it first starts, it always shows the first slide in both positions.
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## Folder Structure
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- **css/** Core styles without which the project does not function
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- **js/** Like above but for JavaScript
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- **plugin/** Components that have been developed as extensions to reveal.js
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- **lib/** All other third party assets (JavaScript, CSS, fonts)
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## License
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MIT licensed
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Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se |