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Merge branch 'classes_in_markdown' of https://github.com/VonC/reveal.js into dev

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This commit is contained in:
Hakim El Hattab 2013-10-28 08:50:45 -04:00
commit 6cf5269bfc
4 changed files with 177 additions and 1 deletions
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56
plugin/markdown/markdown.js
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@ -28,6 +28,7 @@
var DEFAULT_SLIDE_SEPARATOR = '^\n---\n$',
DEFAULT_NOTES_SEPARATOR = 'note:';
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '{\\\.\s*?([^}]+?)}';
/**
@ -218,7 +219,6 @@
xhr.onreadystatechange = function() {
if( xhr.readyState === 4 ) {
if ( xhr.status >= 200 && xhr.status < 300 ) {
section.outerHTML = slidify( xhr.responseText, {
separator: section.getAttribute( 'data-separator' ),
verticalSeparator: section.getAttribute( 'data-vertical' ),
@ -268,6 +268,57 @@
}
/**
* Check if a node value has the attributes pattern.
* If yes, extract it and add that value as one or several attributes
* the the terget element.
*
* You need Cache Killer on Chrome to see the effect on any FOM transformation
* directly on refresh (F5)
* http://stackoverflow.com/questions/5690269/disabling-chrome-cache-for-website-development/7000899#answer-11786277
*/
function addAttributeInElement( node, elementTarget, separator ){
var mardownClassesInElementsRegex = new RegExp( separator, 'mg' );
var mardownClassRegex = new RegExp( "([^\"= ]+?)=\"([^\"=]+?)\"", 'mg' );
var nodeValue = node.nodeValue;
if ( matches = mardownClassesInElementsRegex.exec( nodeValue ) ) {
var classes = matches[1];
nodeValue = nodeValue.substring( 0, matches.index ) + nodeValue.substring( mardownClassesInElementsRegex.lastIndex );
node.nodeValue = nodeValue;
while( matchesClass = mardownClassRegex.exec( classes ) ) {
elementTarget.setAttribute(matchesClass[1], matchesClass[2]);
}
}
}
/**
* Add attributes to the parent element of a text node,
* or the element of an attribute node.
*/
function addAttributes( element, separator )
{
if ( element.childNodes.length > 0 ) {
for ( var i = 0; i < element.childNodes.length; i++ ) {
addAttributes( element.childNodes[i], separator );
}
}
var nodeValue;
var elementTarget;
// From http://stackoverflow.com/questions/9178174/find-all-text-nodes
if ( element.nodeType == Node.TEXT_NODE && /\S/.test(element.nodeValue) ) {
addAttributeInElement( element, element.parentNode, separator );
}
if ( element.nodeType == Node.ELEMENT_NODE && element.attributes.length > 0 ) {
for ( iattr=0; iattr<element.attributes.length; iattr++ ){
var attr = element.attributes[iattr];
addAttributeInElement(attr, element, separator )
}
}
}
/**
* Converts any current data-markdown slides in the
* DOM to HTML.
@ -289,6 +340,9 @@
var markdown = getMarkdownFromSlide( section );
section.innerHTML = marked( markdown );
addAttributes( section, section.getAttribute( 'data-element-attributes' ) ||
section.parentNode.getAttribute( 'data-element-attributes' ) ||
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR );
// If there were notes, we need to re-add them after
// having overwritten the section's HTML

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test/test-element-attributes-markdown.html Normal file
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Test Markdown</title>
<link rel="stylesheet" href="../css/reveal.min.css">
<link rel="stylesheet" href="qunit-1.12.0.css">
</head>
<body style="overflow: auto;">
<div id="qunit"></div>
<div id="qunit-fixture"></div>
<div class="reveal" style="display: none;">
<div class="slides">
<!-- <section data-markdown="example.md" data-separator="^\n\n\n" data-vertical="^\n\n"></section> -->
<!-- Slides are separated by newline + three dashes + newline, vertical slides identical but two dashes -->
<section data-markdown data-separator="^\n---\n$"
data-vertical="^\n--\n$"
data-element-attributes="{_\s*?([^}]+?)}">
<script type="text/template">
## Slide 1.1 {_class="fragment fade-out" data-fragment-index="1"}
--
## Slide 1.2 {_class="fragment shrink"}
Paragraph 1 {_class="fragment grow"}
Paragraph 2 {_class="fragment grow"}
- list item 1 {_class="fragment roll-in"}
- list item 2 {_class="fragment roll-in"}
- list item 3 {_class="fragment roll-in"}
---
## Slide 2
Paragraph 1.2
multi-line {_class="fragment highlight-red"}
Paragraph 2.2 {_class="fragment highlight-red"}
Paragraph 2.3 {_class="fragment highlight-red"}
Paragraph 2.4 {_class="fragment highlight-red"}
- list item 1 {_class="fragment highlight-green"}
- list item 2 {_class="fragment highlight-green"}
- list item 3 {_class="fragment highlight-green"}
- list item 4 {_class="fragment highlight-green"}
- list item 5 {_class="fragment highlight-green"}
Test
![Example Picture{_class="reveal stretch"}](red-curtain-50x50.jpg)
</script>
</section>
</div>
</div>
<script src="../lib/js/head.min.js"></script>
<script src="../js/reveal.min.js"></script>
<script src="../plugin/markdown/marked.js"></script>
<script src="../plugin/markdown/markdown.js"></script>
<script src="qunit-1.12.0.js"></script>
<script src="test-element-attributes-markdown.js"></script>
</body>
</html>

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test/test-element-attributes-markdown.js Normal file
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@ -0,0 +1,38 @@
Reveal.addEventListener( 'ready', function() {
QUnit.module( 'Markdown' );
test( 'Vertical separator', function() {
strictEqual( document.querySelectorAll( '.reveal .slides>section>section' ).length, 2, 'found two slides' );
});
test( 'Attributes on vertical slides header', function() {
strictEqual( document.querySelectorAll( '.reveal .slides section>section h2.fragment.fade-out' ).length, 1, 'found one vertical slide with class fragment.fade-out on header' );
strictEqual( document.querySelectorAll( '.reveal .slides section>section h2.fragment.shrink' ).length, 1, 'found one vertical slide with class fragment.shrink on header' );
});
test( 'Attributes on vertical slides paragraphs', function() {
strictEqual( document.querySelectorAll( '.reveal .slides section>section p.fragment.grow' ).length, 2, 'found a vertical slide with two paragraphs with class fragment.grow' );
});
test( 'Attributes on vertical slides list items', function() {
strictEqual( document.querySelectorAll( '.reveal .slides section>section li.fragment.roll-in' ).length, 3, 'found a vertical slide with three list items with class fragment.roll-in' );
});
test( 'Attributes on horizontal slides paragraphs', function() {
strictEqual( document.querySelectorAll( '.reveal .slides section p.fragment.highlight-red' ).length, 4, 'found a horizontal slide with four paragraphs with class fragment.grow' );
});
test( 'Attributes on horizontal slides list items', function() {
strictEqual( document.querySelectorAll( '.reveal .slides section li.fragment.highlight-green' ).length, 5, 'found a horizontal slide with five list items with class fragment.roll-in' );
});
test( 'Attributes on horizontal slides list items', function() {
strictEqual( document.querySelectorAll( '.reveal .slides section img.reveal.stretch' ).length, 1, 'found a horizontal slide with stretched image, class img.reveal.stretch' );
});
} );
Reveal.initialize();