HackMD/public/js/slide.js

98 lines
No EOL
2.3 KiB
JavaScript

var body = $(".slides").html();
$(".slides").html(S(body).unescapeHTML().s);
function extend() {
var target = {};
for (var i = 0; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (source.hasOwnProperty(key)) {
target[key] = source[key];
}
}
}
return target;
}
// Optional libraries used to extend on reveal.js
var deps = [{
src: serverurl + '/vendor/reveal.js/lib/js/classList.js',
condition: function() {
return !document.body.classList;
}
}, {
src: serverurl + '/js/reveal-markdown.js',
condition: function() {
return !!document.querySelector('[data-markdown]');
}
}, {
src: serverurl + '/vendor/reveal.js/plugin/notes/notes.js',
async: true,
condition: function() {
return !!document.body.classList;
}
}];
// default options to init reveal.js
var defaultOptions = {
controls: true,
progress: true,
slideNumber: true,
history: true,
center: true,
transition: 'none',
dependencies: deps
};
// options from yaml meta
var meta = JSON.parse($("#meta").text());
var options = meta.slideOptions || {};
var view = $('.reveal');
//text language
if (meta.lang && typeof meta.lang == "string") {
view.attr('lang', meta.lang);
} else {
view.removeAttr('lang');
}
//text direction
if (meta.dir && typeof meta.dir == "string" && meta.dir == "rtl") {
options.rtl = true;
} else {
options.rtl = false;
}
//breaks
if (typeof meta.breaks === 'boolean' && !meta.breaks) {
md.options.breaks = false;
} else {
md.options.breaks = true;
}
// options from URL query string
var queryOptions = Reveal.getQueryHash() || {};
var options = extend(defaultOptions, options, queryOptions);
Reveal.initialize(options);
viewAjaxCallback = function () {
Reveal.layout();
};
function renderSlide(event) {
var markdown = $(event.currentSlide);
if (!markdown.attr('data-rendered')) {
var title = document.title;
finishView(markdown);
markdown.attr('data-rendered', 'true');
document.title = title;
Reveal.layout();
// force browser redraw
setTimeout(function () {
markdown.hide().show(0);
}, 0);
}
}
Reveal.addEventListener('ready', renderSlide);
Reveal.addEventListener('slidechanged', renderSlide);