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Presenter.html
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Presenter.html
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<html>
<head>
<meta name="viewport" content="width=device-width,user-scalable=no,initial-scale=1,maximum-scale=1" />
<title>Markdown Presenter</title>
<style>
html, body {
margin:0;
border:0;
padding:0;
font-family: helvetica;
color: white;
overflow: hidden;
-ms-touch-action: none;
-moz-user-select:none;
}
div.centered {
margin:auto;
font-size:40px;
width:20em; /* So we get about 10 words per line */
}
.slideCount {
position: fixed;
bottom: 1em;
right: 2px;
height:1.5em;
width:8em;
overflow:hidden;
}
.slideProgress
{
background-color: green;
width: 100%;
min-height: 10px;
}
.slideCount select {
color:white;
background-color:#112;
border-color:#112;
border:none;
font-size:1em;
height:1.3em;
width:10em;
-webkit-appearance: none;
border-radius:0;
-webkit-border-radius: 0;
}
.padding {
height: 60px;
}
/* My styling here */
body,
.content-holder {
background: #223;
background: -webkit-gradient(linear, left top, left bottom, from(#334), to(#112));
background: -moz-linear-gradient(top, #334, #112);
text-shadow: #000 0 -2px 0;
}
.bg {
background-image: url(bg.jpg);
position:absolute;
left:0;
right:0;
top:0;
bottom:0;
opacity:0.01;
z-index:-1;
}
code {
color: rgb(235, 174, 108);
}
.for-print .content-holder {
width: 100%;
height: 100%;
border-collapse: collapse;
}
.for-print .content-holder.template { display:none; }
@media screen {
.for-print { display:none; }
}
@media print {
.for-screen { display: none; }
}
@media only screen and (max-width: 768px) {
.centered {
-ms-zoom: 0.8;
zoom: 0.8;
}
}
@media only screen and (max-width: 480px) {
.centered {
-ms-zoom: 0.5;
zoom: 0.5;
}
}
@media only screen and (max-width: 320px) {
.centered {
-ms-zoom: 0.35;
zoom: 0.35;
}
}
/* End styling */
</style>
<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
<script>
if (!window.jQuery) {
document.write('<script src="jquery.min.js"><\/script>');
}
</script>
<script type="text/javascript" src="showdown.js"></script>
</head>
<body tabindex="1">
<div class="for-screen">
<div class="bg"> </div>
<table style="width:100%;height:100%;border-collapse:collapse">
<tr valign=center>
<td>
<div class='centered'>
<em>Loading</em>
</div>
</td>
</tr>
</table>
<div class="slideCount">
<select tabindex="-1">
</select>
<div class="slideProgress"></div>
</div>
<div class="padding">
<!-- This padding need to hiding address bar automatically at iPhone/iPad/Android browser. -->
</div>
</div>
<div class="for-print">
<table class="content-holder template">
<tr valign=center>
<td>
<div class='centered'><h2>Foo</h2>
</div>
</td>
</tr>
</table>
</div>
</body>
</html>
<script>
var Present = {
// Slide transition effects.
effects: {
// n: no effect.
n: {
pre: function (view, callback) { callback(); },
post: function (view) { }
},
// f: fade in/out.
f: {
pre: function (view, callback) { view.fadeOut('fast', callback); },
post: function (view) { view.fadeIn('fast'); }
}
},
currentDocument: '',
autoReloadTimerID: null
};
Present.currentEffect = Present.effects['n']; // Default slide transiton effect is nothing.
Present.hashToSlideIndex = function () {
var matches = window.location.hash.match(/#(\d+)/);
if (matches == null) return 0;
return parseInt(matches[1]) - 1;
}
Present.currentSlide = Present.hashToSlideIndex();
Present.showSlide = function(slide) {
slide = Math.max(0, Math.min(slide, Present.slides.length - 1));
Present.currentSlide = slide;
var $view = $('.for-screen .centered');
this.currentEffect.pre($view, $.proxy(function () {
$view.html(this.slides[this.currentSlide]);
this.currentEffect.post($view);
}, this));
$('.slideCount select').val(this.currentSlide);
$('.slideProgress').css("width", (this.currentSlide + 1)/this.slides.length * 100 + "%");
window.location.hash = '#' + (Present.currentSlide + 1);
};
Present.nextSlide = function() {
if (Present.currentSlide < Present.slides.length-1) {
Present.showSlide(Present.currentSlide+1);
}
};
Present.prevSlide = function() {
if (Present.currentSlide > 0) {
Present.showSlide(Present.currentSlide-1);
}
};
Present.buildPrintPage = function () {
var forPrint = $('.for-print');
$('.content-holder:not(.template)', forPrint).remove();;
var template = $('.content-holder.template', forPrint);
$.each(Present.slides, function (_, slide) {
var holder = template.clone()
.appendTo(forPrint)
.removeClass('template');
$('.centered', holder).html(slide);
});
}
Present.buildSlideCounter = function () {
var $counter = $('.slideCount select');
var optionHtmls = [];
var numOfSlides = this.slides.length;
$.each(this.slides, function (i) {
optionHtmls.push('<option value="' + i + '">Slide ' + (i + 1) + ' of ' + numOfSlides + '</option>');
});
$counter.html(optionHtmls.join(''));
}
Present.reload = function() {
Present.duringReloading = true;
$.ajax({
url: 'presentation.md',
cache: false,
dataType: 'text',
success: function(data) {
if (data.length>0 && Present.currentDocument != data) {
converter = new Showdown.converter();
var converted = converter.makeHtml(data);
Present.slides = converted.split('<p>!</p>');
Present.buildSlideCounter();
Present.showSlide(Present.currentSlide);
Present.currentDocument = data;
// If beforeprint event not supported, build pages to printing now.
if (('onbeforeprint' in window) === false) Present.buildPrintPage();
}
Present.duringReloading = false;
}
});
};
Present.reload();
Present.toggleAutoReload = function() {
if (Present.autoReloadTimerID == null) {
Present.autoReloadTimerID = setInterval(function() {
if (Present.duringReloading) return;
Present.reload();
}, 200);
}
else {
clearInterval(Present.autoReloadTimerID);
Present.autoReloadTimerID = null;
}
};
(function () {
var pageToJump = '';
var effectCmd = false;
$(document).keydown(function(e){
if (e.keyCode == 13) { // enter
if (pageToJump != '') {
Present.showSlide(parseInt(pageToJump) - 1);
pageToJump = '';
}
}
if (48 <= e.keyCode && e.keyCode <= 57) {
pageToJump += String.fromCharCode(e.keyCode);
}
else {
pageToJump = '';
}
// Detect key combination to change slide transition effect.
// ex) 'e','f' -> change effect to fade in/out.
if (e.keyCode == 'E'.charCodeAt(0)) effectCmd = true;
else if (effectCmd)
{
var effectName = String.fromCharCode(e.keyCode).toLowerCase();
var effect = Present.effects[effectName];
if (typeof (effect) !== 'undefined') Present.currentEffect = effect;
effectCmd = false;
}
if (e.keyCode == 37) {
Present.prevSlide();
return false;
}
if (e.keyCode == 39) {
Present.nextSlide();
return false;
}
if (e.keyCode == 32) { // space
Present.reload();
return false;
}
if (e.keyCode == 'A'.charCodeAt(0)) {
Present.toggleAutoReload();
return false;
}
});
})();
// Build print page on demand.
$(window).bind('beforeprint', Present.buildPrintPage);
$(function () {
var startPos = null;
var isPointerTypeTouch = function (e) {
if ('pointerType' in e.originalEvent)
return (e.originalEvent.pointerType == 'touch');
else true;
};
var getPos = function (e) {
if ('touches' in e.originalEvent) {
var touches = e.originalEvent.touches;
if (touches.length < 1) return { x: 0, y: 0 };
return { x: touches[0].pageX, y: touches[0].pageY };
}
return { x: e.pageX, y: e.pageY };
};
var ontouchstart = function (e) {
if (isPointerTypeTouch(e) === false) return;
startPos = getPos(e);
}
var ontouchmove = function (e) {
if (startPos === null || isPointerTypeTouch(e) === false) return;
var pos = getPos(e);
var d = { x: startPos.x - pos.x, y: startPos.y - pos.y };
if (Math.abs(d.x) >=40) {
startPos = null;
$(this).trigger(d.x < 0 ? 'swiperight' : 'swipeleft');
return false;
}
}
var ontouchend = function (e) {
if (startPos === null || isPointerTypeTouch(e) === false) return;
startPos = null;
}
var hideaddressbar = function () {
setTimeout(function () { window.scrollTo(0, 1); }, 100);
};
$(document.body)
.bind({
// IE10
'MSPointerDown': ontouchstart,
'MSPointerMove': ontouchmove,
'MSPointerUp': ontouchend,
// IE11+
'pointerdown': ontouchstart,
'pointermove': ontouchmove,
'pointerup': ontouchend,
// Webkit, Gecko
'touchstart': ontouchstart,
'touchmove': ontouchmove,
'touchend': ontouchend,
'swiperight': function () {
Present.prevSlide();
hideaddressbar();
},
'swipeleft': function () {
Present.nextSlide();
hideaddressbar();
}
});
hideaddressbar();
$(window).bind('orientationchange', hideaddressbar);
});
// Go to page by hash of URL changed.
$(window).bind('hashchange', function () {
var slideIndex = Present.hashToSlideIndex();
if (Present.currentSlide != slideIndex)
Present.showSlide(slideIndex);
});
// Go to page by drop down list changed.
$('.slideCount select').change(function () {
Present.showSlide(parseInt($(this).val()));
setTimeout(function () { document.body.focus(); }, 0);
});
</script>