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js-point.html
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<!doctype html>
<html>
<head>
<!--
JS-Point developed by Kent C. Dodds (http://kent.doddsfamily.us)
Libraries used: impress.js distributed under MIT license.
-->
<script>
var totalSlides = 11; //How many slides were exported from your presentation?
//Do you have any slides between which you don't want any animation?
var slideGroups = [
{
start: 1,
end: 3,
key: 's'
}
];
</script>
<title>JS-Point Presentation</title> <!-- What is shown in the title bar -->
<!-- Simple CSS I would recommend changing the background color of the body -->
<style type="text/css">
body {
background-color: rgb(0,0,0);
font-family: sans-serif;
}
* {
-webkit-transition: opacity 1s;
-moz-transition: opacity 1s;
-ms-transition: opacity 1s;
-o-transition: opacity 1s;
transition: opacity 1s;
}
/* fade out inactive slides */
img:not(.active) {
opacity: 0;
}
#shortcutsOverlay {
opacity: 0;
position: absolute;
background-color: rgba(255,255,255,0.85);
z-index: 1000;
padding-left: 7%;
padding-right: 7%;
padding-bottom: 30px;
left: 0;
right: 0;
top: 0;
}
#dimOverlay {
opacity: 0;
position: absolute;
background-color: black;
z-index: 1001;
left: 0;
right: 0;
top: 0;
bottom: 0;
}
</style>
</head>
<body>
<div id="impress">
<!-- This is where js-point puts the images. Don't put anything here... -->
</div>
<div id="shortcutsOverlay">
<div>
<h1>JS-Point</h1>
<p>Created by Kent C. Dodds using jQuery and jmpress.js</p>
<div>
<h2>Keyboard Shortcuts</h2>
<p>
You have a number of keyboard shortcuts available to you:
<ul>
<li><strong>?</strong>: Access and close this dialog</li>
<li><strong>1</strong>: Go to first slide</li>
<li><strong>2-9</strong>: Go to around that point (percentage-wise) of the presentation</li>
<li><strong>0</strong>: Go to last slide</li>
<li><strong>. (period)</strong>: Dim presentation (press again to bring it back)</li>
<li><strong>Esc</strong>: Restore to presentation mode (remove this dialog, undim presentation)</li>
<li><strong>X</strong>: Export generated templates to console (useful if you want to save transitions)</li>
</ul>
You can also have custom keyboard shortcuts for slide groups.<br />
Simply add a 'key' property to the group with the shortcut key.
</p>
</div>
<div style="display:none;">
<h2>Other Features</h2>
<p>
You can zoom in on a slide using the scroll wheel or + and - keys. (Coming soon... maybe...)
</p>
</div>
</div>
</div>
<div id="dimOverlay"></div>
<!--
Ignore the next script tag below.
It's the library we're using
to make the magic work.
And it's uglified... Nothing to see.
-->
<script>
/**
* impress.js
*
* impress.js is a presentation tool based on the power of CSS3 transforms and transitions
* in modern browsers and inspired by the idea behind prezi.com.
*
*
* Copyright 2011-2012 Bartek Szopka (@bartaz)
*
* Released under the MIT and GPL Licenses.
*
* ------------------------------------------------
* author: Bartek Szopka
* version: 0.5.3
* url: http://bartaz.github.com/impress.js/
* source: http://github.com/bartaz/impress.js/
*/
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</script>
<!--
This is the script to generate the
positioning for all the slides.
You shouldn't have to mess with this
unless you want to customize a bit.
-->
<script>
(function() {
var jsPointContainer = document.getElementById('impress');
var impressApi = impress();
totalSlides = totalSlides || 8;
slideGroups = slideGroups || [];
var jsPoint = {
appendImages: function() {
var template, id, img;
for (var i = 1; i <= totalSlides; i++) {
id = 'Slide' + i;
img = document.createElement('img');
img.id = id;
img.src = id + '.PNG';
img.className = 'step';
jsPointContainer.appendChild(img);
};
},
toggleElementOpacity: function(element, forcedOpacity) {
var s = element.style;
if (forcedOpacity) {
s.opacity = forcedOpacity;
return;
}
if (!s.opacity || s.opacity === '0') {
s.opacity = '1';
} else {
s.opacity = '0';
}
},
shallowClone: function(originalObject) {
var clone = {};
for (var prop in originalObject) {
clone[prop] = originalObject[prop];
}
return clone;
},
template: {
templates: {},
currentTemplate: {
x: 0,
y: 0,
z: 0,
'rotate-x': 0,
'rotate-y': 0,
'rotate-z': 0
},
generateTemplates: function() {
var template, img, id, prop;
var self = this;
var imgs = document.getElementsByTagName('img');
for (var i = 0, total = imgs.length; i < total; i++) {
img = imgs[i];
id = img.id;
template = self.generateTemplate(id, self.currentTemplate);
self.templates[id] = jsPoint.shallowClone(template);
for (prop in template) {
img.setAttribute('data-' + prop, template[prop]);
}
};
},
generateTemplate: (function() {
var getSlideNumberFromId = function(slideId) {
return parseInt(slideId.replace('Slide', ''));
};
var shouldGenerateNewTemplate = (function() {
return function(slideId) {
var slideNumber = getSlideNumberFromId(slideId);
for (var i = 0, total = slideGroups.length; i < total; i++) {
var group = slideGroups[i];
if (slideNumber > group.start && slideNumber <= group.end) {
return false;
}
}
return true;
};
})();
return function(slideId, template) {
if (shouldGenerateNewTemplate(slideId)) {
return jsPoint.random.randomizeTemplate(template);
} else {
return template;
}
};
})()
},
random: {
randomizeTemplate: function(template) {
template.x += this.getRandomPositionChange();
template.y += this.getRandomPositionChange();
template.z += this.getRandomPositionChange();
var whichToRotate = this.getRandomNumber(0, 4);
switch(whichToRotate) {
case 0:
template['rotate-x'] += this.getRandomRotationChange();
break;
case 1:
template['rotate-x'] += this.getRandomRotationChange();
case 2:
template['rotate-y'] += this.getRandomRotationChange();
break;
case 3:
template['rotate-y'] += this.getRandomRotationChange();
case 4:
template['rotate-z'] += this.getRandomRotationChange();
break;
}
return template;
},
getRandomNumber: function(min, max) {
return Math.floor(Math.random()*(max - min + 1)) + min;
},
getRandomPositionChange: function() {
return this.getRandomNumber(-10, 10)*100;
},
getRandomRotationChange: function() {
return this.getRandomNumber(-2, 2)*90;
}
},
alertForIE: function() {
if (navigator.appName == 'Microsoft Internet Explorer') {
alert("Looks like you're using Internet Explorer. JS-Point transitions don't work in IE. Try using Google Chrome.");
}
},
setupAutoResize: function() {
var getWidthAndHeight = function() {
var w = window,
d = document,
e = d.documentElement,
g = d.getElementsByTagName('body')[0],
w = w.innerWidth || e.clientWidth || g.clientWidth,
h = w.innerHeight|| e.clientHeight|| g.clientHeight;
return {width: w, height: h};
};
var resize = function() {
var img;
var wh = getWidthAndHeight();
var maxHeight = wh.height * .8;
var maxWidth = wh.width * .8;
var imgs = document.getElementsByTagName('img');
for (var i = 0, total = imgs.length; i < total; i++) {
img = imgs[i];
img.style.maxHeight = maxHeight;
img.style.maxWidth = maxWidth;
};
};
resize();
window.onresize = resize;
},
initEventHandlers: function() {
var executeKeyAction;
var shortcutsOverlay = document.getElementById('shortcutsOverlay');
var dimOverlay = document.getElementById('dimOverlay');
var charCode = function(character) {
return character.charCodeAt(0);
}
var fractionOfSlidesToSlice = totalSlides / 9;
// Create keyboard shortcuts.
var keypressKeys = {};
var keydownKeys = {};
var otherChars = {
escapeKey: 27,
questionMark: 63
}
// Numbers 1 - 9 (and 0) shortcuts
keypressKeys[charCode('1')] = function() {
impressApi.goto('Slide1');
};
for (var i = 2; i <= 9; i++) {
keypressKeys[charCode('' + i)] = (function() {
var slideNum = Math.round(fractionOfSlidesToSlice * (i - 1));
var keyFunction = function() {
impressApi.goto('Slide' + slideNum);
};
keyFunction.requirements = function(event) {
return !event.shiftKey && !event.ctrlKey && !event.altKey;
};
return keyFunction;
})();
}
keypressKeys[charCode('0')] = function() {
impressApi.goto('Slide' + totalSlides);
};
// About dialog
keypressKeys[charCode('?')] = function() {
jsPoint.toggleElementOpacity(shortcutsOverlay);
};
// Dim
keypressKeys[charCode('.')] = function() {
jsPoint.toggleElementOpacity(dimOverlay);
};
// Escape
keydownKeys[otherChars.escapeKey] = function(event) {
jsPoint.toggleElementOpacity(shortcutsOverlay, '0');
jsPoint.toggleElementOpacity(dimOverlay, '0');
};
// Export template to console
keypressKeys[charCode('x')] = function(event) {
console.log(JSON.stringify(jsPoint.template.templates, null, 2));
};
// Custom shortcuts (must be the last thing)
for (var i = 0, total = slideGroups.length; i < total; i++) {
var group = slideGroups[i];
var key = group.key;
if (key) {
keypressKeys[charCode(key)] = function() {
impressApi.goto('Slide' + group.start);
};
}
}
executeKeyAction = function(event, keyCollection) {
var key = keyCollection[event.which + ''];
if (key && (!key.requirements || key.requirements(event))) {
key(event);
}
};
document.addEventListener('keypress', function(event) {
executeKeyAction(event, keypressKeys);
}, false);
document.addEventListener('keydown', function(event) {
executeKeyAction(event, keydownKeys);
}, false);
}
};
//Initialize some stuff that doesn't need to wait for the dom.
jsPoint.alertForIE();
//Initialize stuff that does need to wait for the dom.
window.addEventListener('load', function() {
jsPoint.appendImages();
jsPoint.template.generateTemplates();
impressApi.init();
jsPoint.initEventHandlers();
}, false);
})();
</script>
</body>
</html>