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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="shortcut icon" href="favicon.png" />
<title>Test drive ▲ Prism</title>
<link rel="stylesheet" href="style.css" />
<link rel="stylesheet" href="themes/prism.css" data-noprefix />
<style>
#theme {
margin-right: -9em;
}
textarea {
width: 100%;
height: 10em;
padding: 1em;
box-sizing: border-box;
margin: .5em 0;
background: #f5f2f0;
color: black;
text-shadow: 0 1px white;
tab-size: 4;
font: 100% Consolas, Monaco, monospace;
white-space: pre;
word-wrap: normal;
}
#language {
column-count: 4;
}
#language label {
display: block;
padding: .2em;
}
#language label[data-id="javascript"] {
border-bottom: 1px solid #aaa;
padding-bottom: 1em;
margin-bottom: 1em;
}
#language input {
margin-right: 1em;
}
#language strong {
display: block;
column-span: all;
}
</style>
<script src="prefixfree.min.js"></script>
<script>var _gaq = [['_setAccount', 'UA-33746269-1'], ['_trackPageview']];</script>
<script src="http://www.google-analytics.com/ga.js" async></script>
</head>
<body>
<header>
<div class="intro" data-src="templates/header-main.html" data-type="text/html"></div>
<h2>Test drive</h2>
<p>Take Prism for a spin!</p>
</header>
<section>
<form>
<p>
<textarea>&lt;p class="hey">Type some code here&lt;/p></textarea>
</p>
<p id="language">
<strong>Language:</strong>
</p>
<p>Result:</p>
<pre><code></code></pre>
</form>
</section>
<footer data-src="templates/footer.html" data-type="text/html"></footer>
<script src="prism.js"></script>
<script src="utopia.js"></script>
<script src="components.js"></script>
<script src="code.js"></script>
<script src="vendor/promise.js"></script>
<script>
(function() {
var form = $('form'), code = $('code', form),
languages = components.languages,
highlightCode = function() { Prism.highlightElement(code); };
for (var id in languages) {
if (id == 'meta') {
continue;
}
var name = languages[id].title || languages[id];
$u.element.create('label', {
attributes: {
'data-id': id
},
contents: [
{
tag: 'input',
properties: {
type: 'radio',
name: 'language',
value: id,
onclick: function () {
var lang = this.value;
code.className = 'language-' + lang;
code.textContent = code.textContent;
// loadLanguage() returns a promise, so we use highlightCode()
// as resolve callback. The promise will be immediately
// resolved if there is nothing to load.
loadLanguage(lang).then(highlightCode);
}
}
}, name
],
inside: '#language'
});
}
/**
* Loads a language, including all dependencies
*
* @param {string} lang the language to load
* @type {Promise} the promise which resolves as soon as everything is loaded
*/
function loadLanguage (lang)
{
// at first we need to fetch all dependencies for the main language
// Note: we need to do this, even if the main language already is loaded (just to be sure..)
//
// We load an array of all dependencies and call recursively this function on each entry
//
// dependencies is now an (possibly empty) array of loading-promises
var dependencies = getDependenciesOfLanguage(lang).map(loadLanguage);
// We create a promise, which will resolve, as soon as all dependencies are loaded.
// They need to be fully loaded because the main language may extend them.
return Promise.all(dependencies)
.then(function () {
// If the main language itself isn't already loaded, load it now
// and return the newly created promise (we chain the promises).
// If the language is already loaded, just do nothing - the next .then()
// will immediately be called
if (!Prism.languages[lang]) {
return new Promise(function (resolve) {
$u.script('components/prism-' + lang + '.js', resolve);
});
}
});
}
/**
* Returns all dependencies (as identifiers) of a specific language
*
* @param {string} lang
* @returns {Array.<string>} the list of dependencies. Empty if the language has none.
*/
function getDependenciesOfLanguage (lang)
{
if (!components.languages[lang] || !components.languages[lang].require)
{
return [];
}
return ($u.type(components.languages[lang].require) === "array")
? components.languages[lang].require
: [components.languages[lang].require];
}
var radios = $$('input[name=language]');
radios[0].checked = true;
radios[0].onclick();
var textarea = $('textarea', form);
(textarea.oninput = function() {
code.textContent = this.value || '';
highlightCode();
}).call(textarea);
})();
</script>
</body>
</html>
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