Add dzslides script and styling
This commit is contained in:
parent
160133cb12
commit
682c9b1b0a
150
css/dzslides.css
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150
css/dzslides.css
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@ -0,0 +1,150 @@
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/* * {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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} */
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[role="note"] {
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display: none;
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}
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/* html {
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font-size: 16px;
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} */
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body {
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width: 800px;
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height: 600px;
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position: absolute;
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top: 50%;
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left: 50%;
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overflow: hidden;
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display: none;
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}
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.view body {
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position: static;
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/* margin: 0;
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padding: 0; */
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width: 100%;
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height: 100%;
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display: inline-block;
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overflow: visible;
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overflow-x: hidden;
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/* undo Dz.onresize */
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transform: none !important;
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}
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.view head,
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.view head>title {
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display: block
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}
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article {
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position: absolute;
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pointer-events: none;
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width: 100%;
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height: 100%;
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}
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.view article {
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pointer-events: auto;
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position: static;
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width: 800px;
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height: 600px;
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margin: -150px -200px;
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float: left;
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transform: scale(.4);
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}
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.view article>* {
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pointer-events: none;
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}
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article[aria-selected] {
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pointer-events: auto;
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}
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html {
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overflow: hidden;
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}
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html.view {
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overflow: visible;
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}
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body.loaded {
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display: block;
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}
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.next:not([active]) {
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visibility: hidden;
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}
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#progress-bar {
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bottom: 0;
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position: absolute;
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transition: width 400ms linear 0s;
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}
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.view #progress-bar {
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display: none;
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}
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header {
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text-align: right;
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position: absolute;
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top: 0;
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width: 100%;
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}
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footer {
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text-align: right;
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position: absolute;
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bottom: 0;
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width: 100%;
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}
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.view header {
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display: none;
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}
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.view footer {
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display: none;
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}
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@media print {
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article {
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transition: none;
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transform: none;
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position: static;
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page-break-inside: avoid;
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}
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body {
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overflow: visible;
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}
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#progress-bar {
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display: none;
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}
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}
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/*
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**************************************
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Uncomment the following for 16:9 slides
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**************************************
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*/
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/* html {
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font-size: 12px;
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} */
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body {
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height: 450px;
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}
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.view article {
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height: 450px;
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margin: -140px -200px;
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transform: scale(.3);
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}
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349
js/dzslides.js
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349
js/dzslides.js
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@ -0,0 +1,349 @@
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var Dz = {
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remoteWindows: [],
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idx: -1,
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step: 0,
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html: null,
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slides: null,
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progressBar: null,
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params: {
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autoplay: "1"
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}
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};
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const SLIDE_TAG = "article"
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Dz.init = function () {
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document.body.className = "loaded";
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this.slides = Array.prototype.slice.call($$(`body > ${SLIDE_TAG}`));
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this.progressBar = $("#progress-bar");
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this.html = document.body.parentNode;
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this.setupParams();
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this.onhashchange();
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this.setupTouchEvents();
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this.onresize();
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this.setupView();
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}
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Dz.setupParams = function () {
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var p = window.location.search.substr(1).split('&');
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p.forEach(function (e, i, a) {
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var keyVal = e.split('=');
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Dz.params[keyVal[0]] = decodeURIComponent(keyVal[1]);
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});
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// Specific params handling
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if (!+this.params.autoplay)
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$$.forEach($$("video"), function (v) {
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v.controls = true
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});
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}
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Dz.onkeydown = function (aEvent) {
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// Don't intercept keyboard shortcuts
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if (aEvent.altKey ||
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aEvent.ctrlKey ||
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aEvent.metaKey ||
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aEvent.shiftKey) {
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return;
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}
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if (aEvent.keyCode == 37 // left arrow
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aEvent.keyCode == 38 // up arrow
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aEvent.keyCode == 33 // page up
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) {
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aEvent.preventDefault();
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this.back();
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}
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if (aEvent.keyCode == 39 // right arrow
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aEvent.keyCode == 40 // down arrow
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aEvent.keyCode == 34 // page down
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) {
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aEvent.preventDefault();
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this.forward();
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}
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if (aEvent.keyCode == 35) { // end
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aEvent.preventDefault();
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this.goEnd();
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}
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if (aEvent.keyCode == 36) { // home
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aEvent.preventDefault();
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this.goStart();
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}
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if (aEvent.keyCode == 32) { // space
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aEvent.preventDefault();
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this.toggleContent();
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}
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if (aEvent.keyCode == 70) { // f
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aEvent.preventDefault();
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this.goFullscreen();
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}
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if (aEvent.keyCode == 79 //o
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aEvent.keyCode == 27 //Esc
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) {
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aEvent.preventDefault();
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this.toggleView();
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}
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}
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/* Touch Events */
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Dz.setupTouchEvents = function () {
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var orgX, newX;
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var tracking = false;
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var db = document.body;
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db.addEventListener("touchstart", start.bind(this), false);
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db.addEventListener("touchmove", move.bind(this), false);
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function start(aEvent) {
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aEvent.preventDefault();
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tracking = true;
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orgX = aEvent.changedTouches[0].pageX;
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}
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function move(aEvent) {
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if (!tracking) return;
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newX = aEvent.changedTouches[0].pageX;
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if (orgX - newX > 100) {
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tracking = false;
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this.forward();
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} else {
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if (orgX - newX < -100) {
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tracking = false;
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this.back();
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}
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}
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}
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}
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Dz.setupView = function () {
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document.body.addEventListener("click", function (e) {
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if (!Dz.html.classList.contains("view")) return;
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if (!e.target || e.target.nodeName != SLIDE_IDENTIFIER.toUpperCase) return;
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Dz.html.classList.remove("view");
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Dz.setCursor(Dz.slides.indexOf(e.target) + 1);
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}, false);
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}
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/* Adapt the size of the slides to the window */
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Dz.onresize = function () {
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var db = document.body;
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var sx = db.clientWidth / window.innerWidth;
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var sy = db.clientHeight / window.innerHeight;
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var transform = "scale(" + (1 / Math.max(sx, sy)) + ")";
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db.style.transform = transform;
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db.style.marginTop = -db.clientHeight / 2 + "px";
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db.style.marginLeft = -db.clientWidth / 2 + "px";
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}
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Dz.getNotes = function (aIdx) {
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var s = $(`${SLIDE_TAG}:nth-of-type(${aIdx}$)`);
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var d = s.$("[role='note']");
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return d ? d.innerHTML : "";
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}
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Dz.onmessage = function (aEvent) {
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var argv = aEvent.data.split(" "),
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argc = argv.length;
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argv.forEach(function (e, i, a) {
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a[i] = decodeURIComponent(e)
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});
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var win = aEvent.source;
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if (argv[0] === "REGISTER" && argc === 1) {
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this.remoteWindows.push(win);
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this.postMsg(win, "REGISTERED", document.title, this.slides.length);
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this.postMsg(win, "CURSOR", this.idx + "." + this.step);
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return;
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}
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if (argv[0] === "BACK" && argc === 1)
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this.back();
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if (argv[0] === "FORWARD" && argc === 1)
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this.forward();
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if (argv[0] === "START" && argc === 1)
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this.goStart();
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if (argv[0] === "END" && argc === 1)
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this.goEnd();
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if (argv[0] === "TOGGLE_CONTENT" && argc === 1)
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this.toggleContent();
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if (argv[0] === "SET_CURSOR" && argc === 2)
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window.location.hash = "#" + argv[1];
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if (argv[0] === "GET_CURSOR" && argc === 1)
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this.postMsg(win, "CURSOR", this.idx + "." + this.step);
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if (argv[0] === "GET_NOTES" && argc === 1)
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this.postMsg(win, "NOTES", this.getNotes(this.idx));
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}
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Dz.toggleContent = function () {
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// If a Video is present in this new slide, play it.
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// If a Video is present in the previous slide, stop it.
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var s = $(`${SLIDE_TAG}[aria-selected]`);
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if (s) {
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var video = s.$("video");
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if (video) {
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if (video.ended || video.paused) {
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video.play();
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} else {
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video.pause();
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}
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}
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}
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}
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Dz.setCursor = function (aIdx, aStep) {
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// If the user change the slide number in the URL bar, jump
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// to this slide.
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aStep = (aStep != 0 && typeof aStep !== "undefined") ? "." + aStep : ".0";
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window.location.hash = "#" + aIdx + aStep;
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}
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Dz.onhashchange = function () {
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var cursor = window.location.hash.split("#"),
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newidx = 1,
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newstep = 0;
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if (cursor.length == 2) {
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newidx = ~~cursor[1].split(".")[0];
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newstep = ~~cursor[1].split(".")[1];
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if (newstep > Dz.slides[newidx - 1].$$('.next').length) {
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newstep = 0;
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newidx++;
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}
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}
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this.setProgress(newidx, newstep);
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if (newidx != this.idx) {
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this.setSlide(newidx);
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}
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if (newstep != this.step) {
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this.setIncremental(newstep);
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}
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for (var i = 0; i < this.remoteWindows.length; i++) {
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this.postMsg(this.remoteWindows[i], "CURSOR", this.idx + "." + this.step);
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}
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}
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Dz.back = function () {
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if (this.idx == 1) {
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return;
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}
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this.setCursor(this.idx - 1,
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this.slides[this.idx - 2].$$('.next[active]').length);
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}
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Dz.forward = function () {
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if (this.idx >= this.slides.length &&
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this.step >= this.slides[this.idx - 1].$$('.next').length) {
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return;
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}
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if (this.html.classList.contains("view") ||
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this.step >= this.slides[this.idx - 1].$$('.next').length) {
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this.setCursor(this.idx + 1,
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this.slides[this.idx].$$('.next[active]').length);
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} else {
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this.setCursor(this.idx, this.step + 1);
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}
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}
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Dz.goStart = function () {
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this.setCursor(1, 0);
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}
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Dz.goEnd = function () {
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var lastIdx = this.slides.length;
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var lastStep = this.slides[lastIdx - 1].$$('.next').length;
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this.setCursor(lastIdx, lastStep);
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}
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Dz.toggleView = function () {
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this.html.classList.toggle("view");
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if (this.html.classList.contains("view")) {
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$(`${SLIDE_TAG}[aria-selected]`).scrollIntoView(true);
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}
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}
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Dz.setSlide = function (aIdx) {
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this.idx = aIdx;
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var old = $(`${SLIDE_TAG}[aria-selected]`);
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var next = $(`${SLIDE_TAG}:nth-of-type(${this.idx})`);
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if (old) {
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old.removeAttribute("aria-selected");
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var video = old.$("video");
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if (video) {
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video.pause();
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}
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}
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if (next) {
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next.setAttribute("aria-selected", "true");
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if (this.html.classList.contains("view")) {
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next.scrollIntoView();
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} else {
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var video = next.$("video");
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if (video && !!+this.params.autoplay) {
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video.play();
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}
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}
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} else {
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// That should not happen
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this.idx = -1;
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// console.warn("Slide doesn't exist.");
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}
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}
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Dz.setIncremental = function (aStep) {
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this.step = aStep;
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var incrementals = Array.prototype.slice.call(this.slides[this.idx - 1].$$('.next')).sort(function (a, b) {
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return Number(a.getAttribute('next-order')) - Number(b.getAttribute('next-order'));
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});
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var next = incrementals[this.step - 1];
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if (next) {
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next.setAttribute('active', true);
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} else {
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this.setCursor(this.idx, 0);
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}
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return next;
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}
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Dz.goFullscreen = function () {
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var html = $('html'),
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requestFullscreen = html.requestFullscreen || html.requestFullScreen || html.mozRequestFullScreen || html.webkitRequestFullScreen;
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if (requestFullscreen) {
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requestFullscreen.apply(html);
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}
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}
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Dz.setProgress = function (aIdx, aStep) {
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var slide = $(`${SLIDE_TAG}:nth-of-type(${aIdx})`);
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if (!slide)
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return;
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var steps = slide.$$('.next').length + 1,
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slideSize = 100 / (this.slides.length - 1),
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stepSize = slideSize / steps;
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this.progressBar.style.width = ((aIdx - 1) * slideSize + aStep * stepSize) + '%';
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}
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Dz.postMsg = function (aWin, aMsg) { // [arg0, [arg1...]]
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aMsg = [aMsg];
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for (var i = 2; i < arguments.length; i++)
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aMsg.push(encodeURIComponent(arguments[i]));
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aWin.postMessage(aMsg.join(" "), "*");
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}
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function init() {
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Dz.init();
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window.onkeydown = Dz.onkeydown.bind(Dz);
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window.onresize = Dz.onresize.bind(Dz);
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window.onhashchange = Dz.onhashchange.bind(Dz);
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window.onmessage = Dz.onmessage.bind(Dz);
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}
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window.onload = init;
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// Helpers
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if (!Function.prototype.bind) {
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Function.prototype.bind = function (oThis) {
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// closest thing possible to the ECMAScript 5 internal IsCallable
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// function
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if (typeof this !== "function")
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throw new TypeError(
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"Function.prototype.bind - what is trying to be fBound is not callable"
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);
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var aArgs = Array.prototype.slice.call(arguments, 1),
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fToBind = this,
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fNOP = function () {},
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fBound = function () {
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return fToBind.apply(this instanceof fNOP ? this : oThis || window,
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aArgs.concat(Array.prototype.slice.call(arguments)));
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};
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fNOP.prototype = this.prototype;
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fBound.prototype = new fNOP();
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return fBound;
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};
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}
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var $ = (HTMLElement.prototype.$ = function (aQuery) {
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return this.querySelector(aQuery);
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}).bind(document);
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var $$ = (HTMLElement.prototype.$$ = function (aQuery) {
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return this.querySelectorAll(aQuery);
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}).bind(document);
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$$.forEach = function (nodeList, fun) {
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Array.prototype.forEach.call(nodeList, fun);
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}
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@ -7,19 +7,15 @@
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<title>@title</title>
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<!-- TODO: Convert stylesheets -->
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<!-- <link rel="stylesheet" href="css/reveal.css">-->
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<link rel="stylesheet" href="css/theme/latex.css">
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<link rel="stylesheet" href="css/dzslides.css">
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<!-- <link rel="stylesheet" href="lib/css/zenburn.css">-->
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</head>
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<body>
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<div class="reveal">
|
||||
<div class="slides">
|
||||
@slides
|
||||
</div>
|
||||
</div>
|
||||
|
||||
@slides
|
||||
<div id="progress-bar"></div>
|
||||
<!-- TODO: Convert scripts -->
|
||||
<!-- <script src="lib/js/head.min.js"></script>-->
|
||||
<!-- <script src="js/reveal.js"></script>-->
|
||||
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
|
||||
<script src="js/dzslides.js"></script>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user