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- visibility: visible; - opacity: 0.6; + visibility: visible; + opacity: 0.6; - -webkit-transition: all 0.3s ease; - -moz-transition: all 0.3s ease; - transition: all 0.3s ease; - } + -webkit-transition: all 0.3s ease; + -moz-transition: all 0.3s ease; + transition: all 0.3s ease; + } - .reveal .preview-link-overlay header { - position: absolute; - left: 0; - top: 0; - width: 100%; - height: 40px; - z-index: 2; - border-bottom: 1px solid #222; - } - .reveal .preview-link-overlay header a { - display: inline-block; - width: 40px; - height: 40px; - padding: 0 10px; - float: right; - opacity: 0.6; + .reveal .overlay header { + position: absolute; + left: 0; + top: 0; + width: 100%; + height: 40px; + z-index: 2; + border-bottom: 1px solid #222; + } + .reveal .overlay header a { + display: inline-block; + width: 40px; + height: 40px; + padding: 0 10px; + float: right; + opacity: 0.6; - box-sizing: border-box; - } - .reveal .preview-link-overlay header a:hover { - opacity: 1; - } - .reveal .preview-link-overlay header a .icon { - display: inline-block; - width: 20px; - height: 20px; + box-sizing: border-box; + } + .reveal .overlay header a:hover { + opacity: 1; + } + .reveal .overlay header a .icon { + display: inline-block; + width: 20px; + height: 20px; - background-position: 50% 50%; - background-size: 100%; - background-repeat: no-repeat; - } - .reveal .preview-link-overlay header a.close .icon { - background-image: url(data:image/png;base64,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); - } - .reveal .preview-link-overlay header a.external .icon { - background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAcElEQVRYR+2WSQoAIQwEzf8f7XiOMkUQxUPlGkM3hVmiQfQR9GYnH1SsAQlI4DiBqkCMoNb9y2e90IAEJPAcgdznU9+engMaeJ7Azh5Y1U67gAho4DqBqmB1buAf0MB1AlVBek83ZPkmJMGc1wAR+AAqod/B97TRpQAAAABJRU5ErkJggg==); - } + background-position: 50% 50%; + background-size: 100%; + background-repeat: no-repeat; + } + .reveal .overlay header a.close .icon { + background-image: url(data:image/png;base64,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); + } + .reveal .overlay header a.external .icon { + background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAcElEQVRYR+2WSQoAIQwEzf8f7XiOMkUQxUPlGkM3hVmiQfQR9GYnH1SsAQlI4DiBqkCMoNb9y2e90IAEJPAcgdznU9+engMaeJ7Azh5Y1U67gAho4DqBqmB1buAf0MB1AlVBek83ZPkmJMGc1wAR+AAqod/B97TRpQAAAABJRU5ErkJggg==); + } - .reveal .preview-link-overlay .viewport { - position: absolute; - top: 40px; - right: 0; - bottom: 0; - left: 0; - } + .reveal .overlay .viewport { + position: absolute; + top: 40px; + right: 0; + bottom: 0; + left: 0; + } - .reveal .preview-link-overlay .viewport iframe { - width: 100%; - height: 100%; - max-width: 100%; - max-height: 100%; - border: 0; - - opacity: 0; - visibility: hidden; - - -webkit-transition: all 0.3s ease; - -moz-transition: all 0.3s ease; - transition: all 0.3s ease; - } - - .reveal .preview-link-overlay.loaded .viewport iframe { - opacity: 1; - visibility: visible; - } - - .reveal .preview-link-overlay.loaded .spinner { - opacity: 0; - visibility: hidden; - - -webkit-transform: scale(0.2); - -moz-transform: scale(0.2); - -ms-transform: scale(0.2); - transform: scale(0.2); - } - - - .reveal .preview-link-overlay .viewport .shortcuts { - -webkit-column-count: 2; - -moz-column-count: 2; - column-count: 2; - font-size: 20px; + .reveal .overlay.overlay-preview .viewport iframe { + width: 100%; height: 100%; - margin-left: 35%; - margin-top: 20px; + max-width: 100%; + max-height: 100%; + border: 0; + + opacity: 0; + visibility: hidden; + + -webkit-transition: all 0.3s ease; + -moz-transition: all 0.3s ease; + transition: all 0.3s ease; + } + + .reveal .overlay.overlay-preview.loaded .viewport iframe { + opacity: 1; + visibility: visible; + } + + .reveal .overlay.overlay-preview.loaded .spinner { + opacity: 0; + visibility: hidden; + + -webkit-transform: scale(0.2); + -moz-transform: scale(0.2); + -ms-transform: scale(0.2); + transform: scale(0.2); + } + + + .reveal .overlay.overlay-help .viewport .viewport-inner { + width: 600px; + height: 100%; + margin: 0 auto; text-align: center; - } + letter-spacing: normal; + } - .reveal .preview-link-overlay .viewport .shortcuts table { - border: 1px solid #fff; - border-collapse: collapse; - font-size: 14px; - } + .reveal .overlay.overlay-help .viewport .viewport-inner .title { + font-size: 20px; + margin-top: 60px; + } - .reveal .preview-link-overlay .viewport .shortcuts table th{ - border: 1px solid #fff; - height: 30px; - width: 200px; - padding: 10px; - vertical-align: middle; - } + .reveal .overlay.overlay-help .viewport .viewport-inner table { + border: 1px solid #fff; + border-collapse: collapse; + font-size: 14px; + } - .reveal .preview-link-overlay .viewport .shortcuts table tr td{ - border: 1px solid #fff; - height: 30px; - vertical-align: middle; - padding: 5px; - } + .reveal .overlay.overlay-help .viewport .viewport-inner table th { + height: 30px; + } + + .reveal .overlay.overlay-help .viewport .viewport-inner table th, + .reveal .overlay.overlay-help .viewport .viewport-inner table td { + width: 200px; + padding: 10px; + border: 1px solid #fff; + vertical-align: middle; + } diff --git a/js/reveal.js b/js/reveal.js index a4d5f02d..f32ee1f4 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -199,13 +199,13 @@ }, // Holds information about the keyboard shortcuts - keyboard_shortcuts = { - 'p': 'Previous slide', - 'n': 'Next slide', - 'h': 'Navigate left', - 'l': 'Navigate right', - 'k': 'Navigate up', - 'j': 'Navigate down', + keyboardShortcuts = { + 'P': 'Previous slide', + 'N': 'Next slide', + 'H': 'Navigate left', + 'L': 'Navigate right', + 'K': 'Navigate up', + 'J': 'Navigate down', 'Home': 'First slide', 'End': 'Last slide', 'b': 'Pause', @@ -1233,15 +1233,16 @@ /** * Opens a preview window for the target URL. */ - function openPreview( url ) { + function showPreview( url ) { - closePreview(); + closeOverlay(); - dom.preview = document.createElement( 'div' ); - dom.preview.classList.add( 'preview-link-overlay' ); - dom.wrapper.appendChild( dom.preview ); + dom.overlay = document.createElement( 'div' ); + dom.overlay.classList.add( 'overlay' ); + dom.overlay.classList.add( 'overlay-preview' ); + dom.wrapper.appendChild( dom.overlay ); - dom.preview.innerHTML = [ + dom.overlay.innerHTML = [ '
', '', '', @@ -1252,76 +1253,79 @@ '' ].join(''); - dom.preview.querySelector( 'iframe' ).addEventListener( 'load', function( event ) { - dom.preview.classList.add( 'loaded' ); + dom.overlay.querySelector( 'iframe' ).addEventListener( 'load', function( event ) { + dom.overlay.classList.add( 'loaded' ); }, false ); - dom.preview.querySelector( '.close' ).addEventListener( 'click', function( event ) { - closePreview(); + dom.overlay.querySelector( '.close' ).addEventListener( 'click', function( event ) { + closeOverlay(); event.preventDefault(); }, false ); - dom.preview.querySelector( '.external' ).addEventListener( 'click', function( event ) { - closePreview(); + dom.overlay.querySelector( '.external' ).addEventListener( 'click', function( event ) { + closeOverlay(); }, false ); setTimeout( function() { - dom.preview.classList.add( 'visible' ); + dom.overlay.classList.add( 'visible' ); }, 1 ); } /** - * Closes the iframe preview window. + * Opens a overlay window with help material. */ - function closePreview() { + function showHelp() { - if( dom.preview ) { - dom.preview.setAttribute( 'src', '' ); - dom.preview.parentNode.removeChild( dom.preview ); - dom.preview = null; + closeOverlay(); + + dom.overlay = document.createElement( 'div' ); + dom.overlay.classList.add( 'overlay' ); + dom.overlay.classList.add( 'overlay-help' ); + dom.wrapper.appendChild( dom.overlay ); + + var html = '

Keyboard Shortcuts


'; + + html += ''; + for( var key in keyboardShortcuts ) { + html += ''; } - } - - /** - * Opens a overlay window for the keyboard shortcuts. - */ - function openShortcutsOverlay() { - - closePreview(); - - dom.preview = document.createElement( 'div' ); - dom.preview.classList.add( 'preview-link-overlay' ); - dom.wrapper.appendChild( dom.preview ); - - var html = '
Keyboard Shortcuts

'; - html += '
KEYACTION
' + key + '' + keyboardShortcuts[ key ] + '
'; - for( var key in keyboard_shortcuts ) { - html += '' - } html += '
KEY ACTION
' + key + ' ' + keyboard_shortcuts[key] + '
'; - dom.preview.innerHTML = [ + dom.overlay.innerHTML = [ '
', '', '
', '
', - '
'+html+'
', + '
'+ html +'
', '
' ].join(''); - dom.preview.querySelector( '.close' ).addEventListener( 'click', function( event ) { - closePreview(); + dom.overlay.querySelector( '.close' ).addEventListener( 'click', function( event ) { + closeOverlay(); event.preventDefault(); }, false ); setTimeout( function() { - dom.preview.classList.add( 'visible' ); + dom.overlay.classList.add( 'visible' ); }, 1 ); } + /** + * Closes any currently open overlay. + */ + function closeOverlay() { + + if( dom.overlay ) { + dom.overlay.setAttribute( 'src', '' ); + dom.overlay.parentNode.removeChild( dom.overlay ); + dom.overlay = null; + } + + } + /** * Applies JavaScript-controlled layout rules to the * presentation. @@ -3289,12 +3293,13 @@ /** * Handler for the document level 'keypress' event. */ - function onDocumentKeyPress( event ) { + // Check if the pressed key is question mark - if( event.shiftKey && event.charCode == 63 ) { - openShortcutsOverlay(); + if( event.shiftKey && event.charCode === 63 ) { + showHelp(); } + } /** @@ -3402,8 +3407,8 @@ } // ESC or O key else if ( ( event.keyCode === 27 || event.keyCode === 79 ) && features.transforms3d ) { - if( dom.preview ) { - closePreview(); + if( dom.overlay ) { + closeOverlay(); } else { toggleOverview(); @@ -3701,7 +3706,7 @@ var url = event.target.getAttribute( 'href' ); if( url ) { - openPreview( url ); + showPreview( url ); event.preventDefault(); }