merge and tweak key shortcuts overlay #943
This commit is contained in:
Hakim El Hattab
parent
d539c645c3
commit
9ff00a72ae
@ -1626,7 +1626,7 @@ body {
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* LINK PREVIEW OVERLAY
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*********************************************/
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.reveal .preview-link-overlay {
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.reveal .overlay {
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position: absolute;
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top: 0;
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left: 0;
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@ -1640,13 +1640,13 @@ body {
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-webkit-transition: all 0.3s ease;
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-moz-transition: all 0.3s ease;
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transition: all 0.3s ease;
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}
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.reveal .preview-link-overlay.visible {
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}
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.reveal .overlay.visible {
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opacity: 1;
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visibility: visible;
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}
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.reveal .preview-link-overlay .spinner {
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.reveal .overlay .spinner {
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position: absolute;
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display: block;
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top: 50%;
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@ -1665,7 +1665,7 @@ body {
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transition: all 0.3s ease;
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}
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.reveal .preview-link-overlay header {
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.reveal .overlay header {
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position: absolute;
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left: 0;
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top: 0;
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@ -1674,7 +1674,7 @@ body {
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z-index: 2;
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border-bottom: 1px solid #222;
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}
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.reveal .preview-link-overlay header a {
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.reveal .overlay header a {
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display: inline-block;
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width: 40px;
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height: 40px;
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@ -1684,10 +1684,10 @@ body {
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box-sizing: border-box;
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}
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.reveal .preview-link-overlay header a:hover {
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.reveal .overlay header a:hover {
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opacity: 1;
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}
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.reveal .preview-link-overlay header a .icon {
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.reveal .overlay header a .icon {
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display: inline-block;
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width: 20px;
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height: 20px;
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@ -1696,14 +1696,14 @@ body {
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background-size: 100%;
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background-repeat: no-repeat;
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}
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.reveal .preview-link-overlay header a.close .icon {
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.reveal .overlay header a.close .icon {
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background-image: url(data:image/png;base64,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);
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}
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.reveal .preview-link-overlay header a.external .icon {
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.reveal .overlay header a.external .icon {
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background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAcElEQVRYR+2WSQoAIQwEzf8f7XiOMkUQxUPlGkM3hVmiQfQR9GYnH1SsAQlI4DiBqkCMoNb9y2e90IAEJPAcgdznU9+engMaeJ7Azh5Y1U67gAho4DqBqmB1buAf0MB1AlVBek83ZPkmJMGc1wAR+AAqod/B97TRpQAAAABJRU5ErkJggg==);
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}
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.reveal .preview-link-overlay .viewport {
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.reveal .overlay .viewport {
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position: absolute;
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top: 40px;
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right: 0;
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@ -1711,7 +1711,7 @@ body {
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left: 0;
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}
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.reveal .preview-link-overlay .viewport iframe {
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.reveal .overlay.overlay-preview .viewport iframe {
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width: 100%;
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height: 100%;
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max-width: 100%;
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@ -1726,12 +1726,12 @@ body {
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transition: all 0.3s ease;
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}
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.reveal .preview-link-overlay.loaded .viewport iframe {
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.reveal .overlay.overlay-preview.loaded .viewport iframe {
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opacity: 1;
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visibility: visible;
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}
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.reveal .preview-link-overlay.loaded .spinner {
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.reveal .overlay.overlay-preview.loaded .spinner {
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opacity: 0;
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visibility: hidden;
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@ -1742,36 +1742,35 @@ body {
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}
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.reveal .preview-link-overlay .viewport .shortcuts {
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-webkit-column-count: 2;
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-moz-column-count: 2;
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column-count: 2;
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font-size: 20px;
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.reveal .overlay.overlay-help .viewport .viewport-inner {
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width: 600px;
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height: 100%;
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margin-left: 35%;
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margin-top: 20px;
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margin: 0 auto;
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text-align: center;
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letter-spacing: normal;
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}
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.reveal .preview-link-overlay .viewport .shortcuts table {
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.reveal .overlay.overlay-help .viewport .viewport-inner .title {
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font-size: 20px;
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margin-top: 60px;
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}
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.reveal .overlay.overlay-help .viewport .viewport-inner table {
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border: 1px solid #fff;
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border-collapse: collapse;
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font-size: 14px;
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}
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.reveal .preview-link-overlay .viewport .shortcuts table th{
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border: 1px solid #fff;
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.reveal .overlay.overlay-help .viewport .viewport-inner table th {
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height: 30px;
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width: 200px;
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padding: 10px;
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vertical-align: middle;
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}
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.reveal .preview-link-overlay .viewport .shortcuts table tr td{
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.reveal .overlay.overlay-help .viewport .viewport-inner table th,
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.reveal .overlay.overlay-help .viewport .viewport-inner table td {
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width: 200px;
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padding: 10px;
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border: 1px solid #fff;
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height: 30px;
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vertical-align: middle;
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padding: 5px;
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}
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115
js/reveal.js
115
js/reveal.js
@ -199,13 +199,13 @@
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},
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// Holds information about the keyboard shortcuts
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keyboard_shortcuts = {
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'p': 'Previous slide',
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'n': 'Next slide',
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'h': 'Navigate left',
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'l': 'Navigate right',
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'k': 'Navigate up',
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'j': 'Navigate down',
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keyboardShortcuts = {
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'P': 'Previous slide',
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'N': 'Next slide',
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'H': 'Navigate left',
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'L': 'Navigate right',
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'K': 'Navigate up',
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'J': 'Navigate down',
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'Home': 'First slide',
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'End': 'Last slide',
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'b': 'Pause',
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@ -1233,15 +1233,16 @@
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/**
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* Opens a preview window for the target URL.
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*/
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function openPreview( url ) {
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function showPreview( url ) {
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closePreview();
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closeOverlay();
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dom.preview = document.createElement( 'div' );
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dom.preview.classList.add( 'preview-link-overlay' );
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dom.wrapper.appendChild( dom.preview );
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dom.overlay = document.createElement( 'div' );
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dom.overlay.classList.add( 'overlay' );
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dom.overlay.classList.add( 'overlay-preview' );
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dom.wrapper.appendChild( dom.overlay );
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dom.preview.innerHTML = [
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dom.overlay.innerHTML = [
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'<header>',
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'<a class="close" href="#"><span class="icon"></span></a>',
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'<a class="external" href="'+ url +'" target="_blank"><span class="icon"></span></a>',
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@ -1252,76 +1253,79 @@
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'</div>'
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].join('');
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dom.preview.querySelector( 'iframe' ).addEventListener( 'load', function( event ) {
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dom.preview.classList.add( 'loaded' );
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dom.overlay.querySelector( 'iframe' ).addEventListener( 'load', function( event ) {
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dom.overlay.classList.add( 'loaded' );
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}, false );
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dom.preview.querySelector( '.close' ).addEventListener( 'click', function( event ) {
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closePreview();
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dom.overlay.querySelector( '.close' ).addEventListener( 'click', function( event ) {
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closeOverlay();
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event.preventDefault();
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}, false );
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dom.preview.querySelector( '.external' ).addEventListener( 'click', function( event ) {
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closePreview();
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dom.overlay.querySelector( '.external' ).addEventListener( 'click', function( event ) {
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closeOverlay();
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}, false );
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setTimeout( function() {
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dom.preview.classList.add( 'visible' );
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dom.overlay.classList.add( 'visible' );
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}, 1 );
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}
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/**
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* Closes the iframe preview window.
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* Opens a overlay window with help material.
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*/
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function closePreview() {
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function showHelp() {
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if( dom.preview ) {
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dom.preview.setAttribute( 'src', '' );
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dom.preview.parentNode.removeChild( dom.preview );
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dom.preview = null;
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closeOverlay();
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dom.overlay = document.createElement( 'div' );
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dom.overlay.classList.add( 'overlay' );
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dom.overlay.classList.add( 'overlay-help' );
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dom.wrapper.appendChild( dom.overlay );
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var html = '<p class="title">Keyboard Shortcuts</p><br/>';
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html += '<table><th>KEY</th><th>ACTION</th>';
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for( var key in keyboardShortcuts ) {
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html += '<tr><td>' + key + '</td><td>' + keyboardShortcuts[ key ] + '</td></tr>';
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}
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}
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/**
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* Opens a overlay window for the keyboard shortcuts.
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*/
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function openShortcutsOverlay() {
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closePreview();
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dom.preview = document.createElement( 'div' );
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dom.preview.classList.add( 'preview-link-overlay' );
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dom.wrapper.appendChild( dom.preview );
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var html = '<h5>Keyboard Shortcuts</h5><br/>';
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html += '<table> <th>KEY</th> <th>ACTION</th>';
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for( var key in keyboard_shortcuts ) {
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html += '<tr> <td>' + key + '</td> <td>' + keyboard_shortcuts[key] + '</td> </tr>'
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}
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html += '</table>';
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dom.preview.innerHTML = [
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dom.overlay.innerHTML = [
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'<header>',
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'<a class="close" href="#"><span class="icon"></span></a>',
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'</header>',
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'<div class="viewport">',
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'<div class="shortcuts">'+html+'</div>',
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'<div class="viewport-inner">'+ html +'</div>',
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'</div>'
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].join('');
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dom.preview.querySelector( '.close' ).addEventListener( 'click', function( event ) {
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closePreview();
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dom.overlay.querySelector( '.close' ).addEventListener( 'click', function( event ) {
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closeOverlay();
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event.preventDefault();
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}, false );
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setTimeout( function() {
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dom.preview.classList.add( 'visible' );
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dom.overlay.classList.add( 'visible' );
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}, 1 );
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}
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/**
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* Closes any currently open overlay.
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*/
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function closeOverlay() {
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if( dom.overlay ) {
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dom.overlay.setAttribute( 'src', '' );
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dom.overlay.parentNode.removeChild( dom.overlay );
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dom.overlay = null;
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}
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}
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/**
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* Applies JavaScript-controlled layout rules to the
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* presentation.
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@ -3289,12 +3293,13 @@
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/**
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* Handler for the document level 'keypress' event.
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*/
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function onDocumentKeyPress( event ) {
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// Check if the pressed key is question mark
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if( event.shiftKey && event.charCode == 63 ) {
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openShortcutsOverlay();
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if( event.shiftKey && event.charCode === 63 ) {
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showHelp();
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}
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}
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/**
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@ -3402,8 +3407,8 @@
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}
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// ESC or O key
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else if ( ( event.keyCode === 27 || event.keyCode === 79 ) && features.transforms3d ) {
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if( dom.preview ) {
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closePreview();
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if( dom.overlay ) {
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closeOverlay();
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}
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else {
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toggleOverview();
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@ -3701,7 +3706,7 @@
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var url = event.target.getAttribute( 'href' );
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if( url ) {
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openPreview( url );
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showPreview( url );
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event.preventDefault();
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}
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