diff --git a/index.md b/index.md index 3906582f..7d868536 100644 --- a/index.md +++ b/index.md @@ -6,6 +6,7 @@ layout: default ### Лекции * Лекция 1. [Что такое Scala?](lectures/scala_lecture_1.html) +* Лекция 3. [Scala basic II. От type конструкторов до коллекций](lectures/scala_lecture_3/index.html) * Лекция 4. [Функциональное программирование. Концепция (PowerPoint)](lectures/scala_lecture_4.pptx) diff --git a/lectures/scala_lecture_3/CONTRIBUTING.md b/lectures/scala_lecture_3/CONTRIBUTING.md new file mode 100755 index 00000000..c2091e88 --- /dev/null +++ b/lectures/scala_lecture_3/CONTRIBUTING.md @@ -0,0 +1,23 @@ +## Contributing + +Please keep the [issue tracker](http://github.com/hakimel/reveal.js/issues) limited to **bug reports**, **feature requests** and **pull requests**. + + +### Personal Support +If you have personal support or setup questions the best place to ask those are [StackOverflow](http://stackoverflow.com/questions/tagged/reveal.js). + + +### Bug Reports +When reporting a bug make sure to include information about which browser and operating system you are on as well as the necessary steps to reproduce the issue. If possible please include a link to a sample presentation where the bug can be tested. + + +### Pull Requests +- Should follow the coding style of the file you work in, most importantly: + - Tabs to indent + - Single-quoted strings +- Should be made towards the **dev branch** +- Should be submitted from a feature/topic branch (not your master) + + +### Plugins +Please do not submit plugins as pull requests. They should be maintained in their own separate repository. More information here: https://github.com/hakimel/reveal.js/wiki/Plugin-Guidelines diff --git a/lectures/scala_lecture_3/LICENSE b/lectures/scala_lecture_3/LICENSE new file mode 100755 index 00000000..d15cf3bb --- /dev/null +++ b/lectures/scala_lecture_3/LICENSE @@ -0,0 +1,19 @@ +Copyright (C) 2020 Hakim El Hattab, http://hakim.se, and reveal.js contributors + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. \ No newline at end of file diff --git a/lectures/scala_lecture_3/README.md b/lectures/scala_lecture_3/README.md new file mode 100755 index 00000000..fbea9419 --- /dev/null +++ b/lectures/scala_lecture_3/README.md @@ -0,0 +1,28 @@ +

+ + reveal.js + +

+ + Slides +

+ +reveal.js is an open source HTML presentation framework. It enables anyone with a web browser to create fully featured and beautiful presentations for free. [Check out the live demo](https://revealjs.com/). + +The framework comes with a broad range of features including [nested slides](https://revealjs.com/vertical-slides/), [Markdown support](https://revealjs.com/markdown/), [Auto-Animate](https://revealjs.com/auto-animate/), [PDF export](https://revealjs.com/pdf-export/), [speaker notes](https://revealjs.com/speaker-view/), [LaTeX support](https://revealjs.com/math/), [syntax highlighted code](https://revealjs.com/code/) and much more. + +

+ Get Started +

+ +## Documentation +The full reveal.js documentation is available at [revealjs.com](https://revealjs.com). + +## Online Editor +Want to create your presentation using a visual editor? Try the official reveal.js presentation platform for free at [Slides.com](https://slides.com). It's made by the same people behind reveal.js. + +## License + +MIT licensed + +Copyright (C) 2011-2020 Hakim El Hattab, https://hakim.se diff --git a/lectures/scala_lecture_3/css/layout.scss b/lectures/scala_lecture_3/css/layout.scss new file mode 100755 index 00000000..6c4abd5d --- /dev/null +++ b/lectures/scala_lecture_3/css/layout.scss @@ -0,0 +1,69 @@ +/** + * Layout helpers. + */ + +// Stretch an element vertically based on available space +.reveal .stretch, +.reveal .r-stretch { + max-width: none; + max-height: none; +} + +.reveal pre.stretch code, +.reveal pre.r-stretch code { + height: 100%; + max-height: 100%; + box-sizing: border-box; +} + +// Text that auto-fits it's container +.reveal .r-fit-text { + display: inline-block; // https://github.com/rikschennink/fitty#performance + white-space: nowrap; +} + +// Stack multiple elements on top of each other +.reveal .r-stack { + display: grid; +} + +.reveal .r-stack > * { + grid-area: 1/1; + margin: auto; +} + +// Horizontal and vertical stacks +.reveal .r-vstack, +.reveal .r-hstack { + display: flex; + + img, video { + min-width: 0; + min-height: 0; + object-fit: contain; + } +} + +.reveal .r-vstack { + flex-direction: column; + align-items: center; + justify-content: center; +} + +.reveal .r-hstack { + flex-direction: row; + align-items: center; + justify-content: center; +} + +// Naming based on tailwindcss +.reveal .items-stretch { align-items: stretch; } +.reveal .items-start { align-items: flex-start; } +.reveal .items-center { align-items: center; } +.reveal .items-end { align-items: flex-end; } + +.reveal .justify-between { justify-content: space-between; } +.reveal .justify-around { justify-content: space-around; } +.reveal .justify-start { justify-content: flex-start; } +.reveal .justify-center { justify-content: center; } +.reveal .justify-end { justify-content: flex-end; } diff --git a/lectures/scala_lecture_3/css/print/paper.scss b/lectures/scala_lecture_3/css/print/paper.scss new file mode 100755 index 00000000..2ffa3b06 --- /dev/null +++ b/lectures/scala_lecture_3/css/print/paper.scss @@ -0,0 +1,173 @@ +/* Default Print Stylesheet Template + by Rob Glazebrook of CSSnewbie.com + Last Updated: June 4, 2008 + + Feel free (nay, compelled) to edit, append, and + manipulate this file as you see fit. */ + +@media print { + html:not(.print-pdf) { + + background: #fff; + width: auto; + height: auto; + overflow: visible; + + body { + background: #fff; + font-size: 20pt; + width: auto; + height: auto; + border: 0; + margin: 0 5%; + padding: 0; + overflow: visible; + float: none !important; + } + + .nestedarrow, + .controls, + .fork-reveal, + .share-reveal, + .state-background, + .reveal .progress, + .reveal .backgrounds, + .reveal .slide-number { + display: none !important; + } + + body, p, td, li { + font-size: 20pt!important; + color: #000; + } + + h1,h2,h3,h4,h5,h6 { + color: #000!important; + height: auto; + line-height: normal; + text-align: left; + letter-spacing: normal; + } + + /* Need to reduce the size of the fonts for printing */ + h1 { font-size: 28pt !important; } + h2 { font-size: 24pt !important; } + h3 { font-size: 22pt !important; } + h4 { font-size: 22pt !important; font-variant: small-caps; } + h5 { font-size: 21pt !important; } + h6 { font-size: 20pt !important; font-style: italic; } + + a:link, + a:visited { + color: #000 !important; + font-weight: bold; + text-decoration: underline; + } + + ul, ol, div, p { + visibility: visible; + position: static; + width: auto; + height: auto; + display: block; + overflow: visible; + margin: 0; + text-align: left !important; + } + .reveal pre, + .reveal table { + margin-left: 0; + margin-right: 0; + } + .reveal pre code { + padding: 20px; + } + .reveal blockquote { + margin: 20px 0; + } + .reveal .slides { + position: static !important; + width: auto !important; + height: auto !important; + + left: 0 !important; + top: 0 !important; + margin-left: 0 !important; + margin-top: 0 !important; + padding: 0 !important; + zoom: 1 !important; + transform: none !important; + + overflow: visible !important; + display: block !important; + + text-align: left !important; + perspective: none; + + perspective-origin: 50% 50%; + } + .reveal .slides section { + visibility: visible !important; + position: static !important; + width: auto !important; + height: auto !important; + display: block !important; + overflow: visible !important; + + left: 0 !important; + top: 0 !important; + margin-left: 0 !important; + margin-top: 0 !important; + padding: 60px 20px !important; + z-index: auto !important; + + opacity: 1 !important; + + page-break-after: always !important; + + transform-style: flat !important; + transform: none !important; + transition: none !important; + } + .reveal .slides section.stack { + padding: 0 !important; + } + .reveal section:last-of-type { + page-break-after: avoid !important; + } + .reveal section .fragment { + opacity: 1 !important; + visibility: visible !important; + + transform: none !important; + } + .reveal section img { + display: block; + margin: 15px 0px; + background: rgba(255,255,255,1); + border: 1px solid #666; + box-shadow: none; + } + + .reveal section small { + font-size: 0.8em; + } + + .reveal .hljs { + max-height: 100%; + white-space: pre-wrap; + word-wrap: break-word; + word-break: break-word; + font-size: 15pt; + } + + .reveal .hljs .hljs-ln-numbers { + white-space: nowrap; + } + + .reveal .hljs td { + font-size: inherit !important; + color: inherit !important; + } + } +} diff --git a/lectures/scala_lecture_3/css/print/pdf.scss b/lectures/scala_lecture_3/css/print/pdf.scss new file mode 100755 index 00000000..f9678456 --- /dev/null +++ b/lectures/scala_lecture_3/css/print/pdf.scss @@ -0,0 +1,156 @@ +/** + * This stylesheet is used to print reveal.js + * presentations to PDF. + * + * https://revealjs.com/pdf-export/ + */ + +html.print-pdf { + * { + -webkit-print-color-adjust: exact; + } + + & { + width: 100%; + height: 100%; + overflow: visible; + } + + body { + margin: 0 auto !important; + border: 0; + padding: 0; + float: none !important; + overflow: visible; + } + + /* Remove any elements not needed in print. */ + .nestedarrow, + .reveal .controls, + .reveal .progress, + .reveal .playback, + .reveal.overview, + .state-background { + display: none !important; + } + + .reveal pre code { + overflow: hidden !important; + font-family: Courier, 'Courier New', monospace !important; + } + + .reveal { + width: auto !important; + height: auto !important; + overflow: hidden !important; + } + .reveal .slides { + position: static; + width: 100% !important; + height: auto !important; + zoom: 1 !important; + pointer-events: initial; + + left: auto; + top: auto; + margin: 0 !important; + padding: 0 !important; + + overflow: visible; + display: block; + + perspective: none; + perspective-origin: 50% 50%; + } + + .reveal .slides .pdf-page { + position: relative; + overflow: hidden; + z-index: 1; + + page-break-after: always; + } + + .reveal .slides section { + visibility: visible !important; + display: block !important; + position: absolute !important; + + margin: 0 !important; + padding: 0 !important; + box-sizing: border-box !important; + min-height: 1px; + + opacity: 1 !important; + + transform-style: flat !important; + transform: none !important; + } + + .reveal section.stack { + position: relative !important; + margin: 0 !important; + padding: 0 !important; + page-break-after: avoid !important; + height: auto !important; + min-height: auto !important; + } + + .reveal img { + box-shadow: none; + } + + + /* Slide backgrounds are placed inside of their slide when exporting to PDF */ + .reveal .backgrounds { + display: none; + } + .reveal .slide-background { + display: block !important; + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + z-index: auto !important; + } + + /* Display slide speaker notes when 'showNotes' is enabled */ + .reveal.show-notes { + max-width: none; + max-height: none; + } + .reveal .speaker-notes-pdf { + display: block; + width: 100%; + height: auto; + max-height: none; + top: auto; + right: auto; + bottom: auto; + left: auto; + z-index: 100; + } + + /* Layout option which makes notes appear on a separate page */ + .reveal .speaker-notes-pdf[data-layout="separate-page"] { + position: relative; + color: inherit; + background-color: transparent; + padding: 20px; + page-break-after: always; + border: 0; + } + + /* Display slide numbers when 'slideNumber' is enabled */ + .reveal .slide-number-pdf { + display: block; + position: absolute; + font-size: 14px; + } + + /* This accessibility tool is not useful in PDF and breaks it visually */ + .aria-status { + display: none; + } +} diff --git a/lectures/scala_lecture_3/css/reveal.scss b/lectures/scala_lecture_3/css/reveal.scss new file mode 100755 index 00000000..b42a85fb --- /dev/null +++ b/lectures/scala_lecture_3/css/reveal.scss @@ -0,0 +1,1821 @@ +/** + * reveal.js + * http://revealjs.com + * MIT licensed + * + * Copyright (C) Hakim El Hattab, https://hakim.se + */ + +@import 'layout'; + +/********************************************* + * GLOBAL STYLES + *********************************************/ + +html.reveal-full-page { + width: 100%; + height: 100%; + height: 100vh; + height: calc( var(--vh, 1vh) * 100 ); + overflow: hidden; +} + +.reveal-viewport { + height: 100%; + overflow: hidden; + position: relative; + line-height: 1; + margin: 0; + + background-color: #fff; + color: #000; +} + + +/********************************************* + * VIEW FRAGMENTS + *********************************************/ + +.reveal .slides section .fragment { + opacity: 0; + visibility: hidden; + transition: all .2s ease; + will-change: opacity; + + &.visible { + opacity: 1; + visibility: inherit; + } + + &.disabled { + transition: none; + } +} + +.reveal .slides section .fragment.grow { + opacity: 1; + visibility: inherit; + + &.visible { + transform: scale( 1.3 ); + } +} + +.reveal .slides section .fragment.shrink { + opacity: 1; + visibility: inherit; + + &.visible { + transform: scale( 0.7 ); + } +} + +.reveal .slides section .fragment.zoom-in { + transform: scale( 0.1 ); + + &.visible { + transform: none; + } +} + +.reveal .slides section .fragment.fade-out { + opacity: 1; + visibility: inherit; + + &.visible { + opacity: 0; + visibility: hidden; + } +} + +.reveal .slides section .fragment.semi-fade-out { + opacity: 1; + visibility: inherit; + + &.visible { + opacity: 0.5; + visibility: inherit; + } +} + +.reveal .slides section .fragment.strike { + opacity: 1; + visibility: inherit; + + &.visible { + text-decoration: line-through; + } +} + +.reveal .slides section .fragment.fade-up { + transform: translate(0, 40px); + + &.visible { + transform: translate(0, 0); + } +} + +.reveal .slides section .fragment.fade-down { + transform: translate(0, -40px); + + &.visible { + transform: translate(0, 0); + } +} + +.reveal .slides section .fragment.fade-right { + transform: translate(-40px, 0); + + &.visible { + transform: translate(0, 0); + } +} + +.reveal .slides section .fragment.fade-left { + transform: translate(40px, 0); + + &.visible { + transform: translate(0, 0); + } +} + +.reveal .slides section .fragment.fade-in-then-out, +.reveal .slides section .fragment.current-visible { + opacity: 0; + visibility: hidden; + + &.current-fragment { + opacity: 1; + visibility: inherit; + } +} + +.reveal .slides section .fragment.fade-in-then-semi-out { + opacity: 0; + visibility: hidden; + + &.visible { + opacity: 0.5; + visibility: inherit; + } + + &.current-fragment { + opacity: 1; + visibility: inherit; + } +} + +.reveal .slides section .fragment.highlight-red, +.reveal .slides section .fragment.highlight-current-red, +.reveal .slides section .fragment.highlight-green, +.reveal .slides section .fragment.highlight-current-green, +.reveal .slides section .fragment.highlight-blue, +.reveal .slides section .fragment.highlight-current-blue { + opacity: 1; + visibility: inherit; +} + .reveal .slides section .fragment.highlight-red.visible { + color: #ff2c2d + } + .reveal .slides section .fragment.highlight-green.visible { + color: #17ff2e; + } + .reveal .slides section .fragment.highlight-blue.visible { + color: #1b91ff; + } + +.reveal .slides section .fragment.highlight-current-red.current-fragment { + color: #ff2c2d +} +.reveal .slides section .fragment.highlight-current-green.current-fragment { + color: #17ff2e; +} +.reveal .slides section .fragment.highlight-current-blue.current-fragment { + color: #1b91ff; +} + + +/********************************************* + * DEFAULT ELEMENT STYLES + *********************************************/ + +/* Fixes issue in Chrome where italic fonts did not appear when printing to PDF */ +.reveal:after { + content: ''; + font-style: italic; +} + +.reveal iframe { + z-index: 1; +} + +/** Prevents layering issues in certain browser/transition combinations */ +.reveal a { + position: relative; +} + + +/********************************************* + * CONTROLS + *********************************************/ + +@keyframes bounce-right { + 0%, 10%, 25%, 40%, 50% {transform: translateX(0);} + 20% {transform: translateX(10px);} + 30% {transform: translateX(-5px);} +} + +@keyframes bounce-left { + 0%, 10%, 25%, 40%, 50% {transform: translateX(0);} + 20% {transform: translateX(-10px);} + 30% {transform: translateX(5px);} +} + +@keyframes bounce-down { + 0%, 10%, 25%, 40%, 50% {transform: translateY(0);} + 20% {transform: translateY(10px);} + 30% {transform: translateY(-5px);} +} + +$controlArrowSize: 3.6em; +$controlArrowSpacing: 1.4em; +$controlArrowLength: 2.6em; +$controlArrowThickness: 0.5em; +$controlsArrowAngle: 45deg; +$controlsArrowAngleHover: 40deg; +$controlsArrowAngleActive: 36deg; + +@mixin controlsArrowTransform( $angle ) { + &:before { + transform: translateX(($controlArrowSize - $controlArrowLength)/2) translateY(($controlArrowSize - $controlArrowThickness)/2) rotate( $angle ); + } + + &:after { + transform: translateX(($controlArrowSize - $controlArrowLength)/2) translateY(($controlArrowSize - $controlArrowThickness)/2) rotate( -$angle ); + } +} + +.reveal .controls { + $spacing: 12px; + + display: none; + position: absolute; + top: auto; + bottom: $spacing; + right: $spacing; + left: auto; + z-index: 11; + color: #000; + pointer-events: none; + font-size: 10px; + + button { + position: absolute; + padding: 0; + background-color: transparent; + border: 0; + outline: 0; + cursor: pointer; + color: currentColor; + transform: scale(.9999); + transition: color 0.2s ease, + opacity 0.2s ease, + transform 0.2s ease; + z-index: 2; // above slides + pointer-events: auto; + font-size: inherit; + + visibility: hidden; + opacity: 0; + + -webkit-appearance: none; + -webkit-tap-highlight-color: rgba( 0, 0, 0, 0 ); + } + + .controls-arrow:before, + .controls-arrow:after { + content: ''; + position: absolute; + top: 0; + left: 0; + width: $controlArrowLength; + height: $controlArrowThickness; + border-radius: $controlArrowThickness/2; + background-color: currentColor; + + transition: all 0.15s ease, background-color 0.8s ease; + transform-origin: floor(($controlArrowThickness/2)*10)/10 50%; + will-change: transform; + } + + .controls-arrow { + position: relative; + width: $controlArrowSize; + height: $controlArrowSize; + + @include controlsArrowTransform( $controlsArrowAngle ); + + &:hover { + @include controlsArrowTransform( $controlsArrowAngleHover ); + } + + &:active { + @include controlsArrowTransform( $controlsArrowAngleActive ); + } + } + + .navigate-left { + right: $controlArrowSize + $controlArrowSpacing*2; + bottom: $controlArrowSpacing + $controlArrowSize/2; + transform: translateX( -10px ); + + &.highlight { + animation: bounce-left 2s 50 both ease-out; + } + } + + .navigate-right { + right: 0; + bottom: $controlArrowSpacing + $controlArrowSize/2; + transform: translateX( 10px ); + + .controls-arrow { + transform: rotate( 180deg ); + } + + &.highlight { + animation: bounce-right 2s 50 both ease-out; + } + } + + .navigate-up { + right: $controlArrowSpacing + $controlArrowSize/2; + bottom: $controlArrowSpacing*2 + $controlArrowSize; + transform: translateY( -10px ); + + .controls-arrow { + transform: rotate( 90deg ); + } + } + + .navigate-down { + right: $controlArrowSpacing + $controlArrowSize/2; + bottom: -$controlArrowSpacing; + padding-bottom: $controlArrowSpacing; + transform: translateY( 10px ); + + .controls-arrow { + transform: rotate( -90deg ); + } + + &.highlight { + animation: bounce-down 2s 50 both ease-out; + } + } + + // Back arrow style: "faded": + // Deemphasize backwards navigation arrows in favor of drawing + // attention to forwards navigation + &[data-controls-back-arrows="faded"] .navigate-up.enabled { + opacity: 0.3; + + &:hover { + opacity: 1; + } + } + + // Back arrow style: "hidden": + // Never show arrows for backwards navigation + &[data-controls-back-arrows="hidden"] .navigate-up.enabled { + opacity: 0; + visibility: hidden; + } + + // Any control button that can be clicked is "enabled" + .enabled { + visibility: visible; + opacity: 0.9; + cursor: pointer; + transform: none; + } + + // Any control button that leads to showing or hiding + // a fragment + .enabled.fragmented { + opacity: 0.5; + } + + .enabled:hover, + .enabled.fragmented:hover { + opacity: 1; + } +} + +.reveal:not(.rtl) .controls { + // Back arrow style: "faded": + // Deemphasize left arrow + &[data-controls-back-arrows="faded"] .navigate-left.enabled { + opacity: 0.3; + + &:hover { + opacity: 1; + } + } + + // Back arrow style: "hidden": + // Never show left arrow + &[data-controls-back-arrows="hidden"] .navigate-left.enabled { + opacity: 0; + visibility: hidden; + } +} + +.reveal.rtl .controls { + // Back arrow style: "faded": + // Deemphasize right arrow in RTL mode + &[data-controls-back-arrows="faded"] .navigate-right.enabled { + opacity: 0.3; + + &:hover { + opacity: 1; + } + } + + // Back arrow style: "hidden": + // Never show right arrow in RTL mode + &[data-controls-back-arrows="hidden"] .navigate-right.enabled { + opacity: 0; + visibility: hidden; + } +} + +.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-up, +.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-down { + display: none; +} + +// Adjust the layout when there are no vertical slides +.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-left, +.reveal:not(.has-vertical-slides) .controls .navigate-left { + bottom: $controlArrowSpacing; + right: 0.5em + $controlArrowSpacing + $controlArrowSize; +} + +.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-right, +.reveal:not(.has-vertical-slides) .controls .navigate-right { + bottom: $controlArrowSpacing; + right: 0.5em; +} + +// Adjust the layout when there are no horizontal slides +.reveal:not(.has-horizontal-slides) .controls .navigate-up { + right: $controlArrowSpacing; + bottom: $controlArrowSpacing + $controlArrowSize; +} +.reveal:not(.has-horizontal-slides) .controls .navigate-down { + right: $controlArrowSpacing; + bottom: 0.5em; +} + +// Invert arrows based on background color +.reveal.has-dark-background .controls { + color: #fff; +} +.reveal.has-light-background .controls { + color: #000; +} + +// Disable active states on touch devices +.reveal.no-hover .controls .controls-arrow:hover, +.reveal.no-hover .controls .controls-arrow:active { + @include controlsArrowTransform( $controlsArrowAngle ); +} + +// Edge aligned controls layout +@media screen and (min-width: 500px) { + + $spacing: 0.8em; + + .reveal .controls[data-controls-layout="edges"] { + & { + top: 0; + right: 0; + bottom: 0; + left: 0; + } + + .navigate-left, + .navigate-right, + .navigate-up, + .navigate-down { + bottom: auto; + right: auto; + } + + .navigate-left { + top: 50%; + left: $spacing; + margin-top: -$controlArrowSize/2; + } + + .navigate-right { + top: 50%; + right: $spacing; + margin-top: -$controlArrowSize/2; + } + + .navigate-up { + top: $spacing; + left: 50%; + margin-left: -$controlArrowSize/2; + } + + .navigate-down { + bottom: $spacing - $controlArrowSpacing + 0.3em; + left: 50%; + margin-left: -$controlArrowSize/2; + } + } + +} + + +/********************************************* + * PROGRESS BAR + *********************************************/ + +.reveal .progress { + position: absolute; + display: none; + height: 3px; + width: 100%; + bottom: 0; + left: 0; + z-index: 10; + + background-color: rgba( 0, 0, 0, 0.2 ); + color: #fff; +} + .reveal .progress:after { + content: ''; + display: block; + position: absolute; + height: 10px; + width: 100%; + top: -10px; + } + .reveal .progress span { + display: block; + height: 100%; + width: 100%; + + background-color: currentColor; + transition: transform 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985); + transform-origin: 0 0; + transform: scaleX(0); + } + +/********************************************* + * SLIDE NUMBER + *********************************************/ + +.reveal .slide-number { + position: absolute; + display: block; + right: 8px; + bottom: 8px; + z-index: 31; + font-family: Helvetica, sans-serif; + font-size: 12px; + line-height: 1; + color: #fff; + background-color: rgba( 0, 0, 0, 0.4 ); + padding: 5px; +} + +.reveal .slide-number a { + color: currentColor; +} + +.reveal .slide-number-delimiter { + margin: 0 3px; +} + +/********************************************* + * SLIDES + *********************************************/ + +.reveal { + position: relative; + width: 100%; + height: 100%; + overflow: hidden; + touch-action: pinch-zoom; +} + +// Swiping on an embedded deck should not block page scrolling +.reveal.embedded { + touch-action: pan-y; +} + +.reveal .slides { + position: absolute; + width: 100%; + height: 100%; + top: 0; + right: 0; + bottom: 0; + left: 0; + margin: auto; + pointer-events: none; + + overflow: visible; + z-index: 1; + text-align: center; + perspective: 600px; + perspective-origin: 50% 40%; +} + +.reveal .slides>section { + perspective: 600px; +} + +.reveal .slides>section, +.reveal .slides>section>section { + display: none; + position: absolute; + width: 100%; + pointer-events: auto; + + z-index: 10; + transform-style: flat; + transition: transform-origin 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985), + transform 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985), + visibility 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985), + opacity 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985); +} + +/* Global transition speed settings */ +.reveal[data-transition-speed="fast"] .slides section { + transition-duration: 400ms; +} +.reveal[data-transition-speed="slow"] .slides section { + transition-duration: 1200ms; +} + +/* Slide-specific transition speed overrides */ +.reveal .slides section[data-transition-speed="fast"] { + transition-duration: 400ms; +} +.reveal .slides section[data-transition-speed="slow"] { + transition-duration: 1200ms; +} + +.reveal .slides>section.stack { + padding-top: 0; + padding-bottom: 0; + pointer-events: none; + height: 100%; +} + +.reveal .slides>section.present, +.reveal .slides>section>section.present { + display: block; + z-index: 11; + opacity: 1; +} + +.reveal .slides>section:empty, +.reveal .slides>section>section:empty, +.reveal .slides>section[data-background-interactive], +.reveal .slides>section>section[data-background-interactive] { + pointer-events: none; +} + +.reveal.center, +.reveal.center .slides, +.reveal.center .slides section { + min-height: 0 !important; +} + +/* Don't allow interaction with invisible slides */ +.reveal .slides>section:not(.present), +.reveal .slides>section>section:not(.present) { + pointer-events: none; +} + +.reveal.overview .slides>section, +.reveal.overview .slides>section>section { + pointer-events: auto; +} + +.reveal .slides>section.past, +.reveal .slides>section.future, +.reveal .slides>section>section.past, +.reveal .slides>section>section.future { + opacity: 0; +} + + +/********************************************* + * Mixins for readability of transitions + *********************************************/ + +@mixin transition-global($style) { + .reveal .slides section[data-transition=#{$style}], + .reveal.#{$style} .slides section:not([data-transition]) { + @content; + } +} +@mixin transition-stack($style) { + .reveal .slides section[data-transition=#{$style}].stack, + .reveal.#{$style} .slides section.stack { + @content; + } +} +@mixin transition-horizontal-past($style) { + .reveal .slides>section[data-transition=#{$style}].past, + .reveal .slides>section[data-transition~=#{$style}-out].past, + .reveal.#{$style} .slides>section:not([data-transition]).past { + @content; + } +} +@mixin transition-horizontal-future($style) { + .reveal .slides>section[data-transition=#{$style}].future, + .reveal .slides>section[data-transition~=#{$style}-in].future, + .reveal.#{$style} .slides>section:not([data-transition]).future { + @content; + } +} + +@mixin transition-vertical-past($style) { + .reveal .slides>section>section[data-transition=#{$style}].past, + .reveal .slides>section>section[data-transition~=#{$style}-out].past, + .reveal.#{$style} .slides>section>section:not([data-transition]).past { + @content; + } +} +@mixin transition-vertical-future($style) { + .reveal .slides>section>section[data-transition=#{$style}].future, + .reveal .slides>section>section[data-transition~=#{$style}-in].future, + .reveal.#{$style} .slides>section>section:not([data-transition]).future { + @content; + } +} + +/********************************************* + * SLIDE TRANSITION + * Aliased 'linear' for backwards compatibility + *********************************************/ + +@each $stylename in slide, linear { + .reveal.#{$stylename} section { + backface-visibility: hidden; + } + @include transition-horizontal-past(#{$stylename}) { + transform: translate(-150%, 0); + } + @include transition-horizontal-future(#{$stylename}) { + transform: translate(150%, 0); + } + @include transition-vertical-past(#{$stylename}) { + transform: translate(0, -150%); + } + @include transition-vertical-future(#{$stylename}) { + transform: translate(0, 150%); + } +} + +/********************************************* + * CONVEX TRANSITION + * Aliased 'default' for backwards compatibility + *********************************************/ + +@each $stylename in default, convex { + @include transition-stack(#{$stylename}) { + transform-style: preserve-3d; + } + + @include transition-horizontal-past(#{$stylename}) { + transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0); + } + @include transition-horizontal-future(#{$stylename}) { + transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0); + } + @include transition-vertical-past(#{$stylename}) { + transform: translate3d(0, -300px, 0) rotateX(70deg) translate3d(0, -300px, 0); + } + @include transition-vertical-future(#{$stylename}) { + transform: translate3d(0, 300px, 0) rotateX(-70deg) translate3d(0, 300px, 0); + } +} + +/********************************************* + * CONCAVE TRANSITION + *********************************************/ + +@include transition-stack(concave) { + transform-style: preserve-3d; +} + +@include transition-horizontal-past(concave) { + transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0); +} +@include transition-horizontal-future(concave) { + transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0); +} +@include transition-vertical-past(concave) { + transform: translate3d(0, -80%, 0) rotateX(-70deg) translate3d(0, -80%, 0); +} +@include transition-vertical-future(concave) { + transform: translate3d(0, 80%, 0) rotateX(70deg) translate3d(0, 80%, 0); +} + + +/********************************************* + * ZOOM TRANSITION + *********************************************/ + +@include transition-global(zoom) { + transition-timing-function: ease; +} +@include transition-horizontal-past(zoom) { + visibility: hidden; + transform: scale(16); +} +@include transition-horizontal-future(zoom) { + visibility: hidden; + transform: scale(0.2); +} +@include transition-vertical-past(zoom) { + transform: scale(16); +} +@include transition-vertical-future(zoom) { + transform: scale(0.2); +} + + +/********************************************* + * CUBE TRANSITION + * + * WARNING: + * this is deprecated and will be removed in a + * future version. + *********************************************/ + +.reveal.cube .slides { + perspective: 1300px; +} + +.reveal.cube .slides section { + padding: 30px; + min-height: 700px; + backface-visibility: hidden; + box-sizing: border-box; + transform-style: preserve-3d; +} + .reveal.center.cube .slides section { + min-height: 0; + } + .reveal.cube .slides section:not(.stack):before { + content: ''; + position: absolute; + display: block; + width: 100%; + height: 100%; + left: 0; + top: 0; + background: rgba(0,0,0,0.1); + border-radius: 4px; + transform: translateZ( -20px ); + } + .reveal.cube .slides section:not(.stack):after { + content: ''; + position: absolute; + display: block; + width: 90%; + height: 30px; + left: 5%; + bottom: 0; + background: none; + z-index: 1; + + border-radius: 4px; + box-shadow: 0px 95px 25px rgba(0,0,0,0.2); + transform: translateZ(-90px) rotateX( 65deg ); + } + +.reveal.cube .slides>section.stack { + padding: 0; + background: none; +} + +.reveal.cube .slides>section.past { + transform-origin: 100% 0%; + transform: translate3d(-100%, 0, 0) rotateY(-90deg); +} + +.reveal.cube .slides>section.future { + transform-origin: 0% 0%; + transform: translate3d(100%, 0, 0) rotateY(90deg); +} + +.reveal.cube .slides>section>section.past { + transform-origin: 0% 100%; + transform: translate3d(0, -100%, 0) rotateX(90deg); +} + +.reveal.cube .slides>section>section.future { + transform-origin: 0% 0%; + transform: translate3d(0, 100%, 0) rotateX(-90deg); +} + + +/********************************************* + * PAGE TRANSITION + * + * WARNING: + * this is deprecated and will be removed in a + * future version. + *********************************************/ + +.reveal.page .slides { + perspective-origin: 0% 50%; + perspective: 3000px; +} + +.reveal.page .slides section { + padding: 30px; + min-height: 700px; + box-sizing: border-box; + transform-style: preserve-3d; +} + .reveal.page .slides section.past { + z-index: 12; + } + .reveal.page .slides section:not(.stack):before { + content: ''; + position: absolute; + display: block; + width: 100%; + height: 100%; + left: 0; + top: 0; + background: rgba(0,0,0,0.1); + transform: translateZ( -20px ); + } + .reveal.page .slides section:not(.stack):after { + content: ''; + position: absolute; + display: block; + width: 90%; + height: 30px; + left: 5%; + bottom: 0; + background: none; + z-index: 1; + + border-radius: 4px; + box-shadow: 0px 95px 25px rgba(0,0,0,0.2); + + -webkit-transform: translateZ(-90px) rotateX( 65deg ); + } + +.reveal.page .slides>section.stack { + padding: 0; + background: none; +} + +.reveal.page .slides>section.past { + transform-origin: 0% 0%; + transform: translate3d(-40%, 0, 0) rotateY(-80deg); +} + +.reveal.page .slides>section.future { + transform-origin: 100% 0%; + transform: translate3d(0, 0, 0); +} + +.reveal.page .slides>section>section.past { + transform-origin: 0% 0%; + transform: translate3d(0, -40%, 0) rotateX(80deg); +} + +.reveal.page .slides>section>section.future { + transform-origin: 0% 100%; + transform: translate3d(0, 0, 0); +} + + +/********************************************* + * FADE TRANSITION + *********************************************/ + +.reveal .slides section[data-transition=fade], +.reveal.fade .slides section:not([data-transition]), +.reveal.fade .slides>section>section:not([data-transition]) { + transform: none; + transition: opacity 0.5s; +} + + +.reveal.fade.overview .slides section, +.reveal.fade.overview .slides>section>section { + transition: none; +} + + +/********************************************* + * NO TRANSITION + *********************************************/ + +@include transition-global(none) { + transform: none; + transition: none; +} + + +/********************************************* + * PAUSED MODE + *********************************************/ + +.reveal .pause-overlay { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + background: black; + visibility: hidden; + opacity: 0; + z-index: 100; + transition: all 1s ease; +} + +.reveal .pause-overlay .resume-button { + position: absolute; + bottom: 20px; + right: 20px; + color: #ccc; + border-radius: 2px; + padding: 6px 14px; + border: 2px solid #ccc; + font-size: 16px; + background: transparent; + cursor: pointer; + + &:hover { + color: #fff; + border-color: #fff; + } +} + +.reveal.paused .pause-overlay { + visibility: visible; + opacity: 1; +} + + +/********************************************* + * FALLBACK + *********************************************/ + +.reveal .no-transition, +.reveal .no-transition *, +.reveal .slides.disable-slide-transitions section { + transition: none !important; +} + +.reveal .slides.disable-slide-transitions section { + transform: none !important; +} + + +/********************************************* + * PER-SLIDE BACKGROUNDS + *********************************************/ + +.reveal .backgrounds { + position: absolute; + width: 100%; + height: 100%; + top: 0; + left: 0; + perspective: 600px; +} + .reveal .slide-background { + display: none; + position: absolute; + width: 100%; + height: 100%; + opacity: 0; + visibility: hidden; + overflow: hidden; + + background-color: rgba( 0, 0, 0, 0 ); + + transition: all 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985); + } + + .reveal .slide-background-content { + position: absolute; + width: 100%; + height: 100%; + + background-position: 50% 50%; + background-repeat: no-repeat; + background-size: cover; + } + + .reveal .slide-background.stack { + display: block; + } + + .reveal .slide-background.present { + opacity: 1; + visibility: visible; + z-index: 2; + } + + .print-pdf .reveal .slide-background { + opacity: 1 !important; + visibility: visible !important; + } + +/* Video backgrounds */ +.reveal .slide-background video { + position: absolute; + width: 100%; + height: 100%; + max-width: none; + max-height: none; + top: 0; + left: 0; + object-fit: cover; +} + .reveal .slide-background[data-background-size="contain"] video { + object-fit: contain; + } + +/* Immediate transition style */ +.reveal[data-background-transition=none]>.backgrounds .slide-background, +.reveal>.backgrounds .slide-background[data-background-transition=none] { + transition: none; +} + +/* Slide */ +.reveal[data-background-transition=slide]>.backgrounds .slide-background, +.reveal>.backgrounds .slide-background[data-background-transition=slide] { + opacity: 1; + backface-visibility: hidden; +} + .reveal[data-background-transition=slide]>.backgrounds .slide-background.past, + .reveal>.backgrounds .slide-background.past[data-background-transition=slide] { + transform: translate(-100%, 0); + } + .reveal[data-background-transition=slide]>.backgrounds .slide-background.future, + .reveal>.backgrounds .slide-background.future[data-background-transition=slide] { + transform: translate(100%, 0); + } + + .reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.past, + .reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=slide] { + transform: translate(0, -100%); + } + .reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.future, + .reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=slide] { + transform: translate(0, 100%); + } + + +/* Convex */ +.reveal[data-background-transition=convex]>.backgrounds .slide-background.past, +.reveal>.backgrounds .slide-background.past[data-background-transition=convex] { + opacity: 0; + transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0); +} +.reveal[data-background-transition=convex]>.backgrounds .slide-background.future, +.reveal>.backgrounds .slide-background.future[data-background-transition=convex] { + opacity: 0; + transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0); +} + +.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.past, +.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=convex] { + opacity: 0; + transform: translate3d(0, -100%, 0) rotateX(90deg) translate3d(0, -100%, 0); +} +.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.future, +.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=convex] { + opacity: 0; + transform: translate3d(0, 100%, 0) rotateX(-90deg) translate3d(0, 100%, 0); +} + + +/* Concave */ +.reveal[data-background-transition=concave]>.backgrounds .slide-background.past, +.reveal>.backgrounds .slide-background.past[data-background-transition=concave] { + opacity: 0; + transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0); +} +.reveal[data-background-transition=concave]>.backgrounds .slide-background.future, +.reveal>.backgrounds .slide-background.future[data-background-transition=concave] { + opacity: 0; + transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0); +} + +.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.past, +.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=concave] { + opacity: 0; + transform: translate3d(0, -100%, 0) rotateX(-90deg) translate3d(0, -100%, 0); +} +.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.future, +.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=concave] { + opacity: 0; + transform: translate3d(0, 100%, 0) rotateX(90deg) translate3d(0, 100%, 0); +} + +/* Zoom */ +.reveal[data-background-transition=zoom]>.backgrounds .slide-background, +.reveal>.backgrounds .slide-background[data-background-transition=zoom] { + transition-timing-function: ease; +} + +.reveal[data-background-transition=zoom]>.backgrounds .slide-background.past, +.reveal>.backgrounds .slide-background.past[data-background-transition=zoom] { + opacity: 0; + visibility: hidden; + transform: scale(16); +} +.reveal[data-background-transition=zoom]>.backgrounds .slide-background.future, +.reveal>.backgrounds .slide-background.future[data-background-transition=zoom] { + opacity: 0; + visibility: hidden; + transform: scale(0.2); +} + +.reveal[data-background-transition=zoom]>.backgrounds .slide-background>.slide-background.past, +.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=zoom] { + opacity: 0; + visibility: hidden; + transform: scale(16); +} +.reveal[data-background-transition=zoom]>.backgrounds .slide-background>.slide-background.future, +.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=zoom] { + opacity: 0; + visibility: hidden; + transform: scale(0.2); +} + + +/* Global transition speed settings */ +.reveal[data-transition-speed="fast"]>.backgrounds .slide-background { + transition-duration: 400ms; +} +.reveal[data-transition-speed="slow"]>.backgrounds .slide-background { + transition-duration: 1200ms; +} + + +/********************************************* + * AUTO ANIMATE + *********************************************/ + +.reveal [data-auto-animate-target^="unmatched"] { + will-change: opacity; +} + +.reveal section[data-auto-animate]:not(.stack):not([data-auto-animate="running"]) [data-auto-animate-target^="unmatched"] { + opacity: 0; +} + + +/********************************************* + * OVERVIEW + *********************************************/ + +.reveal.overview { + perspective-origin: 50% 50%; + perspective: 700px; + + .slides { + // Fixes overview rendering errors in FF48+, not applied to + // other browsers since it degrades performance + -moz-transform-style: preserve-3d; + } + + .slides section { + height: 100%; + top: 0 !important; + opacity: 1 !important; + overflow: hidden; + visibility: visible !important; + cursor: pointer; + box-sizing: border-box; + } + .slides section:hover, + .slides section.present { + outline: 10px solid rgba(150,150,150,0.4); + outline-offset: 10px; + } + .slides section .fragment { + opacity: 1; + transition: none; + } + .slides section:after, + .slides section:before { + display: none !important; + } + .slides>section.stack { + padding: 0; + top: 0 !important; + background: none; + outline: none; + overflow: visible; + } + + .backgrounds { + perspective: inherit; + + // Fixes overview rendering errors in FF48+, not applied to + // other browsers since it degrades performance + -moz-transform-style: preserve-3d; + } + + .backgrounds .slide-background { + opacity: 1; + visibility: visible; + + // This can't be applied to the slide itself in Safari + outline: 10px solid rgba(150,150,150,0.1); + outline-offset: 10px; + } + + .backgrounds .slide-background.stack { + overflow: visible; + } +} + +// Disable transitions transitions while we're activating +// or deactivating the overview mode. +.reveal.overview .slides section, +.reveal.overview-deactivating .slides section { + transition: none; +} + +.reveal.overview .backgrounds .slide-background, +.reveal.overview-deactivating .backgrounds .slide-background { + transition: none; +} + + +/********************************************* + * RTL SUPPORT + *********************************************/ + +.reveal.rtl .slides, +.reveal.rtl .slides h1, +.reveal.rtl .slides h2, +.reveal.rtl .slides h3, +.reveal.rtl .slides h4, +.reveal.rtl .slides h5, +.reveal.rtl .slides h6 { + direction: rtl; + font-family: sans-serif; +} + +.reveal.rtl pre, +.reveal.rtl code { + direction: ltr; +} + +.reveal.rtl ol, +.reveal.rtl ul { + text-align: right; +} + +.reveal.rtl .progress span { + transform-origin: 100% 0; +} + +/********************************************* + * PARALLAX BACKGROUND + *********************************************/ + +.reveal.has-parallax-background .backgrounds { + transition: all 0.8s ease; +} + +/* Global transition speed settings */ +.reveal.has-parallax-background[data-transition-speed="fast"] .backgrounds { + transition-duration: 400ms; +} +.reveal.has-parallax-background[data-transition-speed="slow"] .backgrounds { + transition-duration: 1200ms; +} + + +/********************************************* + * OVERLAY FOR LINK PREVIEWS AND HELP + *********************************************/ + +$overlayHeaderHeight: 40px; +$overlayHeaderPadding: 5px; + +.reveal > .overlay { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + z-index: 1000; + background: rgba( 0, 0, 0, 0.9 ); + transition: all 0.3s ease; +} + + .reveal > .overlay .spinner { + position: absolute; + display: block; + top: 50%; + left: 50%; + width: 32px; + height: 32px; + margin: -16px 0 0 -16px; + z-index: 10; + background-image: url(data:image/gif;base64,R0lGODlhIAAgAPMAAJmZmf%2F%2F%2F6%2Bvr8nJybW1tcDAwOjo6Nvb26ioqKOjo7Ozs%2FLy8vz8%2FAAAAAAAAAAAACH%2FC05FVFNDQVBFMi4wAwEAAAAh%2FhpDcmVhdGVkIHdpdGggYWpheGxvYWQuaW5mbwAh%2BQQJCgAAACwAAAAAIAAgAAAE5xDISWlhperN52JLhSSdRgwVo1ICQZRUsiwHpTJT4iowNS8vyW2icCF6k8HMMBkCEDskxTBDAZwuAkkqIfxIQyhBQBFvAQSDITM5VDW6XNE4KagNh6Bgwe60smQUB3d4Rz1ZBApnFASDd0hihh12BkE9kjAJVlycXIg7CQIFA6SlnJ87paqbSKiKoqusnbMdmDC2tXQlkUhziYtyWTxIfy6BE8WJt5YJvpJivxNaGmLHT0VnOgSYf0dZXS7APdpB309RnHOG5gDqXGLDaC457D1zZ%2FV%2FnmOM82XiHRLYKhKP1oZmADdEAAAh%2BQQJCgAAACwAAAAAIAAgAAAE6hDISWlZpOrNp1lGNRSdRpDUolIGw5RUYhhHukqFu8DsrEyqnWThGvAmhVlteBvojpTDDBUEIFwMFBRAmBkSgOrBFZogCASwBDEY%2FCZSg7GSE0gSCjQBMVG023xWBhklAnoEdhQEfyNqMIcKjhRsjEdnezB%2BA4k8gTwJhFuiW4dokXiloUepBAp5qaKpp6%2BHo7aWW54wl7obvEe0kRuoplCGepwSx2jJvqHEmGt6whJpGpfJCHmOoNHKaHx61WiSR92E4lbFoq%2BB6QDtuetcaBPnW6%2BO7wDHpIiK9SaVK5GgV543tzjgGcghAgAh%2BQQJCgAAACwAAAAAIAAgAAAE7hDISSkxpOrN5zFHNWRdhSiVoVLHspRUMoyUakyEe8PTPCATW9A14E0UvuAKMNAZKYUZCiBMuBakSQKG8G2FzUWox2AUtAQFcBKlVQoLgQReZhQlCIJesQXI5B0CBnUMOxMCenoCfTCEWBsJColTMANldx15BGs8B5wlCZ9Po6OJkwmRpnqkqnuSrayqfKmqpLajoiW5HJq7FL1Gr2mMMcKUMIiJgIemy7xZtJsTmsM4xHiKv5KMCXqfyUCJEonXPN2rAOIAmsfB3uPoAK%2B%2BG%2Bw48edZPK%2BM6hLJpQg484enXIdQFSS1u6UhksENEQAAIfkECQoAAAAsAAAAACAAIAAABOcQyEmpGKLqzWcZRVUQnZYg1aBSh2GUVEIQ2aQOE%2BG%2BcD4ntpWkZQj1JIiZIogDFFyHI0UxQwFugMSOFIPJftfVAEoZLBbcLEFhlQiqGp1Vd140AUklUN3eCA51C1EWMzMCezCBBmkxVIVHBWd3HHl9JQOIJSdSnJ0TDKChCwUJjoWMPaGqDKannasMo6WnM562R5YluZRwur0wpgqZE7NKUm%2BFNRPIhjBJxKZteWuIBMN4zRMIVIhffcgojwCF117i4nlLnY5ztRLsnOk%2BaV%2BoJY7V7m76PdkS4trKcdg0Zc0tTcKkRAAAIfkECQoAAAAsAAAAACAAIAAABO4QyEkpKqjqzScpRaVkXZWQEximw1BSCUEIlDohrft6cpKCk5xid5MNJTaAIkekKGQkWyKHkvhKsR7ARmitkAYDYRIbUQRQjWBwJRzChi9CRlBcY1UN4g0%2FVNB0AlcvcAYHRyZPdEQFYV8ccwR5HWxEJ02YmRMLnJ1xCYp0Y5idpQuhopmmC2KgojKasUQDk5BNAwwMOh2RtRq5uQuPZKGIJQIGwAwGf6I0JXMpC8C7kXWDBINFMxS4DKMAWVWAGYsAdNqW5uaRxkSKJOZKaU3tPOBZ4DuK2LATgJhkPJMgTwKCdFjyPHEnKxFCDhEAACH5BAkKAAAALAAAAAAgACAAAATzEMhJaVKp6s2nIkolIJ2WkBShpkVRWqqQrhLSEu9MZJKK9y1ZrqYK9WiClmvoUaF8gIQSNeF1Er4MNFn4SRSDARWroAIETg1iVwuHjYB1kYc1mwruwXKC9gmsJXliGxc%2BXiUCby9ydh1sOSdMkpMTBpaXBzsfhoc5l58Gm5yToAaZhaOUqjkDgCWNHAULCwOLaTmzswadEqggQwgHuQsHIoZCHQMMQgQGubVEcxOPFAcMDAYUA85eWARmfSRQCdcMe0zeP1AAygwLlJtPNAAL19DARdPzBOWSm1brJBi45soRAWQAAkrQIykShQ9wVhHCwCQCACH5BAkKAAAALAAAAAAgACAAAATrEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiRMDjI0Fd30%2FiI2UA5GSS5UDj2l6NoqgOgN4gksEBgYFf0FDqKgHnyZ9OX8HrgYHdHpcHQULXAS2qKpENRg7eAMLC7kTBaixUYFkKAzWAAnLC7FLVxLWDBLKCwaKTULgEwbLA4hJtOkSBNqITT3xEgfLpBtzE%2FjiuL04RGEBgwWhShRgQExHBAAh%2BQQJCgAAACwAAAAAIAAgAAAE7xDISWlSqerNpyJKhWRdlSAVoVLCWk6JKlAqAavhO9UkUHsqlE6CwO1cRdCQ8iEIfzFVTzLdRAmZX3I2SfZiCqGk5dTESJeaOAlClzsJsqwiJwiqnFrb2nS9kmIcgEsjQydLiIlHehhpejaIjzh9eomSjZR%2BipslWIRLAgMDOR2DOqKogTB9pCUJBagDBXR6XB0EBkIIsaRsGGMMAxoDBgYHTKJiUYEGDAzHC9EACcUGkIgFzgwZ0QsSBcXHiQvOwgDdEwfFs0sDzt4S6BK4xYjkDOzn0unFeBzOBijIm1Dgmg5YFQwsCMjp1oJ8LyIAACH5BAkKAAAALAAAAAAgACAAAATwEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiUd6GGl6NoiPOH16iZKNlH6KmyWFOggHhEEvAwwMA0N9GBsEC6amhnVcEwavDAazGwIDaH1ipaYLBUTCGgQDA8NdHz0FpqgTBwsLqAbWAAnIA4FWKdMLGdYGEgraigbT0OITBcg5QwPT4xLrROZL6AuQAPUS7bxLpoWidY0JtxLHKhwwMJBTHgPKdEQAACH5BAkKAAAALAAAAAAgACAAAATrEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiUd6GAULDJCRiXo1CpGXDJOUjY%2BYip9DhToJA4RBLwMLCwVDfRgbBAaqqoZ1XBMHswsHtxtFaH1iqaoGNgAIxRpbFAgfPQSqpbgGBqUD1wBXeCYp1AYZ19JJOYgH1KwA4UBvQwXUBxPqVD9L3sbp2BNk2xvvFPJd%2BMFCN6HAAIKgNggY0KtEBAAh%2BQQJCgAAACwAAAAAIAAgAAAE6BDISWlSqerNpyJKhWRdlSAVoVLCWk6JKlAqAavhO9UkUHsqlE6CwO1cRdCQ8iEIfzFVTzLdRAmZX3I2SfYIDMaAFdTESJeaEDAIMxYFqrOUaNW4E4ObYcCXaiBVEgULe0NJaxxtYksjh2NLkZISgDgJhHthkpU4mW6blRiYmZOlh4JWkDqILwUGBnE6TYEbCgevr0N1gH4At7gHiRpFaLNrrq8HNgAJA70AWxQIH1%2BvsYMDAzZQPC9VCNkDWUhGkuE5PxJNwiUK4UfLzOlD4WvzAHaoG9nxPi5d%2BjYUqfAhhykOFwJWiAAAIfkECQoAAAAsAAAAACAAIAAABPAQyElpUqnqzaciSoVkXVUMFaFSwlpOCcMYlErAavhOMnNLNo8KsZsMZItJEIDIFSkLGQoQTNhIsFehRww2CQLKF0tYGKYSg%2BygsZIuNqJksKgbfgIGepNo2cIUB3V1B3IvNiBYNQaDSTtfhhx0CwVPI0UJe0%2Bbm4g5VgcGoqOcnjmjqDSdnhgEoamcsZuXO1aWQy8KAwOAuTYYGwi7w5h%2BKr0SJ8MFihpNbx%2B4Erq7BYBuzsdiH1jCAzoSfl0rVirNbRXlBBlLX%2BBP0XJLAPGzTkAuAOqb0WT5AH7OcdCm5B8TgRwSRKIHQtaLCwg1RAAAOwAAAAAAAAAAAA%3D%3D); + + visibility: visible; + opacity: 0.6; + transition: all 0.3s ease; + } + + .reveal > .overlay header { + position: absolute; + left: 0; + top: 0; + width: 100%; + padding: $overlayHeaderPadding; + z-index: 2; + box-sizing: border-box; + } + .reveal > .overlay header a { + display: inline-block; + width: $overlayHeaderHeight; + height: $overlayHeaderHeight; + line-height: 36px; + padding: 0 10px; + float: right; + opacity: 0.6; + + 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 > .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 > .overlay .viewport { + position: absolute; + display: flex; + top: $overlayHeaderHeight + $overlayHeaderPadding*2; + right: 0; + bottom: 0; + left: 0; + } + + .reveal > .overlay.overlay-preview .viewport iframe { + width: 100%; + height: 100%; + max-width: 100%; + max-height: 100%; + border: 0; + + opacity: 0; + visibility: hidden; + transition: all 0.3s ease; + } + + .reveal > .overlay.overlay-preview.loaded .viewport iframe { + opacity: 1; + visibility: visible; + } + + .reveal > .overlay.overlay-preview.loaded .viewport-inner { + position: absolute; + z-index: -1; + left: 0; + top: 45%; + width: 100%; + text-align: center; + letter-spacing: normal; + } + .reveal > .overlay.overlay-preview .x-frame-error { + opacity: 0; + transition: opacity 0.3s ease 0.3s; + } + .reveal > .overlay.overlay-preview.loaded .x-frame-error { + opacity: 1; + } + + .reveal > .overlay.overlay-preview.loaded .spinner { + opacity: 0; + visibility: hidden; + transform: scale(0.2); + } + + .reveal > .overlay.overlay-help .viewport { + overflow: auto; + color: #fff; + } + + .reveal > .overlay.overlay-help .viewport .viewport-inner { + width: 600px; + margin: auto; + padding: 20px 20px 80px 20px; + text-align: center; + letter-spacing: normal; + } + + .reveal > .overlay.overlay-help .viewport .viewport-inner .title { + font-size: 20px; + } + + .reveal > .overlay.overlay-help .viewport .viewport-inner table { + border: 1px solid #fff; + border-collapse: collapse; + font-size: 16px; + } + + .reveal > .overlay.overlay-help .viewport .viewport-inner table th, + .reveal > .overlay.overlay-help .viewport .viewport-inner table td { + width: 200px; + padding: 14px; + border: 1px solid #fff; + vertical-align: middle; + } + + .reveal > .overlay.overlay-help .viewport .viewport-inner table th { + padding-top: 20px; + padding-bottom: 20px; + } + + +/********************************************* + * PLAYBACK COMPONENT + *********************************************/ + +.reveal .playback { + position: absolute; + left: 15px; + bottom: 20px; + z-index: 30; + cursor: pointer; + transition: all 400ms ease; + -webkit-tap-highlight-color: rgba( 0, 0, 0, 0 ); +} + +.reveal.overview .playback { + opacity: 0; + visibility: hidden; +} + + +/********************************************* + * CODE HIGHLGIHTING + *********************************************/ + +.reveal .hljs { + min-height: 100%; +} + +.reveal .hljs table { + margin: initial; +} + +.reveal .hljs-ln-code, +.reveal .hljs-ln-numbers { + padding: 0; + border: 0; +} + +.reveal .hljs-ln-numbers { + opacity: 0.6; + padding-right: 0.75em; + text-align: right; + vertical-align: top; +} + +.reveal .hljs.has-highlights tr:not(.highlight-line) { + opacity: 0.4; +} + +.reveal .hljs:not(:first-child).fragment { + position: absolute; + top: 0; + left: 0; + width: 100%; + box-sizing: border-box; +} + +.reveal pre[data-auto-animate-target] { + overflow: hidden; +} +.reveal pre[data-auto-animate-target] code { + height: 100%; +} + + +/********************************************* + * ROLLING LINKS + *********************************************/ + +.reveal .roll { + display: inline-block; + line-height: 1.2; + overflow: hidden; + + vertical-align: top; + perspective: 400px; + perspective-origin: 50% 50%; +} + .reveal .roll:hover { + background: none; + text-shadow: none; + } +.reveal .roll span { + display: block; + position: relative; + padding: 0 2px; + + pointer-events: none; + transition: all 400ms ease; + transform-origin: 50% 0%; + transform-style: preserve-3d; + backface-visibility: hidden; +} + .reveal .roll:hover span { + background: rgba(0,0,0,0.5); + transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg ); + } +.reveal .roll span:after { + content: attr(data-title); + + display: block; + position: absolute; + left: 0; + top: 0; + padding: 0 2px; + backface-visibility: hidden; + transform-origin: 50% 0%; + transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg ); +} + + +/********************************************* + * SPEAKER NOTES + *********************************************/ + +$notesWidthPercent: 25%; + +// Hide on-page notes +.reveal aside.notes { + display: none; +} + +// An interface element that can optionally be used to show the +// speaker notes to all viewers, on top of the presentation +.reveal .speaker-notes { + display: none; + position: absolute; + width: $notesWidthPercent / (1-$notesWidthPercent/100) * 1%; + height: 100%; + top: 0; + left: 100%; + padding: 14px 18px 14px 18px; + z-index: 1; + font-size: 18px; + line-height: 1.4; + border: 1px solid rgba( 0, 0, 0, 0.05 ); + color: #222; + background-color: #f5f5f5; + overflow: auto; + box-sizing: border-box; + text-align: left; + font-family: Helvetica, sans-serif; + -webkit-overflow-scrolling: touch; + + .notes-placeholder { + color: #ccc; + font-style: italic; + } + + &:focus { + outline: none; + } + + &:before { + content: 'Speaker notes'; + display: block; + margin-bottom: 10px; + opacity: 0.5; + } +} + + +.reveal.show-notes { + max-width: 100% - $notesWidthPercent; + overflow: visible; +} + +.reveal.show-notes .speaker-notes { + display: block; +} + +@media screen and (min-width: 1600px) { + .reveal .speaker-notes { + font-size: 20px; + } +} + +@media screen and (max-width: 1024px) { + .reveal.show-notes { + border-left: 0; + max-width: none; + max-height: 70%; + max-height: 70vh; + overflow: visible; + } + + .reveal.show-notes .speaker-notes { + top: 100%; + left: 0; + width: 100%; + height: (30/0.7)*1%; + height: 30vh; + border: 0; + } +} + +@media screen and (max-width: 600px) { + .reveal.show-notes { + max-height: 60%; + max-height: 60vh; + } + + .reveal.show-notes .speaker-notes { + top: 100%; + height: (40/0.6)*1%; + height: 40vh; + } + + .reveal .speaker-notes { + font-size: 14px; + } +} + + +/********************************************* + * ZOOM PLUGIN + *********************************************/ + +.zoomed .reveal *, +.zoomed .reveal *:before, +.zoomed .reveal *:after { + backface-visibility: visible !important; +} + +.zoomed .reveal .progress, +.zoomed .reveal .controls { + opacity: 0; +} + +.zoomed .reveal .roll span { + background: none; +} + +.zoomed .reveal .roll span:after { + visibility: hidden; +} + + +/********************************************* + * PRINT STYLES + *********************************************/ + +@import 'print/pdf.scss'; +@import 'print/paper.scss'; + diff --git a/lectures/scala_lecture_3/css/theme/README.md b/lectures/scala_lecture_3/css/theme/README.md new file mode 100755 index 00000000..30916c45 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/README.md @@ -0,0 +1,21 @@ +## Dependencies + +Themes are written using Sass to keep things modular and reduce the need for repeated selectors across files. Make sure that you have the reveal.js development environment installed before proceeding: https://revealjs.com/installation/#full-setup + +## Creating a Theme + +To create your own theme, start by duplicating a ```.scss``` file in [/css/theme/source](https://github.com/hakimel/reveal.js/blob/master/css/theme/source). It will be automatically compiled from Sass to CSS (see the [gulpfile](https://github.com/hakimel/reveal.js/blob/master/gulpfile.js)) when you run `npm run build -- css-themes`. + +Each theme file does four things in the following order: + +1. **Include [/css/theme/template/mixins.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/mixins.scss)** +Shared utility functions. + +2. **Include [/css/theme/template/settings.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/settings.scss)** +Declares a set of custom variables that the template file (step 4) expects. Can be overridden in step 3. + +3. **Override** +This is where you override the default theme. Either by specifying variables (see [settings.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/settings.scss) for reference) or by adding any selectors and styles you please. + +4. **Include [/css/theme/template/theme.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/theme.scss)** +The template theme file which will generate final CSS output based on the currently defined variables. diff --git a/lectures/scala_lecture_3/css/theme/source/beige.scss b/lectures/scala_lecture_3/css/theme/source/beige.scss new file mode 100755 index 00000000..1f601781 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/beige.scss @@ -0,0 +1,41 @@ +/** + * Beige theme for reveal.js. + * + * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + + +// Include theme-specific fonts +@import url(./fonts/league-gothic/league-gothic.css); +@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + + +// Override theme settings (see ../template/settings.scss) +$mainColor: #333; +$headingColor: #333; +$headingTextShadow: none; +$backgroundColor: #f7f3de; +$linkColor: #8b743d; +$linkColorHover: lighten( $linkColor, 20% ); +$selectionBackgroundColor: rgba(79, 64, 28, 0.99); +$heading1TextShadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15); + +// Background generator +@mixin bodyBackground() { + @include radial-gradient( rgba(247,242,211,1), rgba(255,255,255,1) ); +} + +// Change text colors against dark slide backgrounds +@include dark-bg-text-color(#fff); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/lectures/scala_lecture_3/css/theme/source/black.scss b/lectures/scala_lecture_3/css/theme/source/black.scss new file mode 100755 index 00000000..358dc1df --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/black.scss @@ -0,0 +1,46 @@ +/** + * Black theme for reveal.js. This is the opposite of the 'white' theme. + * + * By Hakim El Hattab, http://hakim.se + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + +// Include theme-specific fonts +@import url(./fonts/source-sans-pro/source-sans-pro.css); + + +// Override theme settings (see ../template/settings.scss) +$backgroundColor: #191919; + +$mainColor: #fff; +$headingColor: #fff; + +$mainFontSize: 42px; +$mainFont: 'Source Sans Pro', Helvetica, sans-serif; +$headingFont: 'Source Sans Pro', Helvetica, sans-serif; +$headingTextShadow: none; +$headingLetterSpacing: normal; +$headingTextTransform: uppercase; +$headingFontWeight: 600; +$linkColor: #42affa; +$linkColorHover: lighten( $linkColor, 15% ); +$selectionBackgroundColor: lighten( $linkColor, 25% ); + +$heading1Size: 2.5em; +$heading2Size: 1.6em; +$heading3Size: 1.3em; +$heading4Size: 1.0em; + +// Change text colors against light slide backgrounds +@include light-bg-text-color(#222); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/lectures/scala_lecture_3/css/theme/source/blood.scss b/lectures/scala_lecture_3/css/theme/source/blood.scss new file mode 100755 index 00000000..b5a86796 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/blood.scss @@ -0,0 +1,87 @@ +/** + * Blood theme for reveal.js + * Author: Walther http://github.com/Walther + * + * Designed to be used with highlight.js theme + * "monokai_sublime.css" available from + * https://github.com/isagalaev/highlight.js/ + * + * For other themes, change $codeBackground accordingly. + * + */ + + // Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + +// Include theme-specific fonts + +@import url(https://fonts.googleapis.com/css?family=Ubuntu:300,700,300italic,700italic); + +// Colors used in the theme +$blood: #a23; +$coal: #222; +$codeBackground: #23241f; + +$backgroundColor: $coal; + +// Main text +$mainFont: Ubuntu, 'sans-serif'; +$mainColor: #eee; + +// Headings +$headingFont: Ubuntu, 'sans-serif'; +$headingTextShadow: 2px 2px 2px $coal; + +// h1 shadow, borrowed humbly from +// (c) Default theme by Hakim El Hattab +$heading1TextShadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15); + +// Links +$linkColor: $blood; +$linkColorHover: lighten( $linkColor, 20% ); + +// Text selection +$selectionBackgroundColor: $blood; +$selectionColor: #fff; + +// Change text colors against dark slide backgrounds +@include light-bg-text-color(#222); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- + +// some overrides after theme template import + +.reveal p { + font-weight: 300; + text-shadow: 1px 1px $coal; +} + +section.has-light-background { + p, h1, h2, h3, h4 { + text-shadow: none; + } +} + +.reveal h1, +.reveal h2, +.reveal h3, +.reveal h4, +.reveal h5, +.reveal h6 { + font-weight: 700; +} + +.reveal p code { + background-color: $codeBackground; + display: inline-block; + border-radius: 7px; +} + +.reveal small code { + vertical-align: baseline; +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/css/theme/source/league.scss b/lectures/scala_lecture_3/css/theme/source/league.scss new file mode 100755 index 00000000..ee012583 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/league.scss @@ -0,0 +1,36 @@ +/** + * League theme for reveal.js. + * + * This was the default theme pre-3.0.0. + * + * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + + +// Include theme-specific fonts +@import url(./fonts/league-gothic/league-gothic.css); +@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + +// Override theme settings (see ../template/settings.scss) +$headingTextShadow: 0px 0px 6px rgba(0,0,0,0.2); +$heading1TextShadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15); + +// Background generator +@mixin bodyBackground() { + @include radial-gradient( rgba(28,30,32,1), rgba(85,90,95,1) ); +} + +// Change text colors against light slide backgrounds +@include light-bg-text-color(#222); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/lectures/scala_lecture_3/css/theme/source/moon.scss b/lectures/scala_lecture_3/css/theme/source/moon.scss new file mode 100755 index 00000000..ff2074af --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/moon.scss @@ -0,0 +1,58 @@ +/** + * Solarized Dark theme for reveal.js. + * Author: Achim Staebler + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + + +// Include theme-specific fonts +@import url(./fonts/league-gothic/league-gothic.css); +@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + +/** + * Solarized colors by Ethan Schoonover + */ +html * { + color-profile: sRGB; + rendering-intent: auto; +} + +// Solarized colors +$base03: #002b36; +$base02: #073642; +$base01: #586e75; +$base00: #657b83; +$base0: #839496; +$base1: #93a1a1; +$base2: #eee8d5; +$base3: #fdf6e3; +$yellow: #b58900; +$orange: #cb4b16; +$red: #dc322f; +$magenta: #d33682; +$violet: #6c71c4; +$blue: #268bd2; +$cyan: #2aa198; +$green: #859900; + +// Override theme settings (see ../template/settings.scss) +$mainColor: $base1; +$headingColor: $base2; +$headingTextShadow: none; +$backgroundColor: $base03; +$linkColor: $blue; +$linkColorHover: lighten( $linkColor, 20% ); +$selectionBackgroundColor: $magenta; + +// Change text colors against light slide backgrounds +@include light-bg-text-color(#222); + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/lectures/scala_lecture_3/css/theme/source/night.scss b/lectures/scala_lecture_3/css/theme/source/night.scss new file mode 100755 index 00000000..98a20628 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/night.scss @@ -0,0 +1,37 @@ +/** + * Black theme for reveal.js. + * + * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + +// Include theme-specific fonts +@import url(https://fonts.googleapis.com/css?family=Montserrat:700); +@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic,700italic); + + +// Override theme settings (see ../template/settings.scss) +$backgroundColor: #111; + +$mainFont: 'Open Sans', sans-serif; +$linkColor: #e7ad52; +$linkColorHover: lighten( $linkColor, 20% ); +$headingFont: 'Montserrat', Impact, sans-serif; +$headingTextShadow: none; +$headingLetterSpacing: -0.03em; +$headingTextTransform: none; +$selectionBackgroundColor: #e7ad52; + +// Change text colors against light slide backgrounds +@include light-bg-text-color(#222); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- \ No newline at end of file diff --git a/lectures/scala_lecture_3/css/theme/source/serif.scss b/lectures/scala_lecture_3/css/theme/source/serif.scss new file mode 100755 index 00000000..1c8d7787 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/serif.scss @@ -0,0 +1,38 @@ +/** + * A simple theme for reveal.js presentations, similar + * to the default theme. The accent color is brown. + * + * This theme is Copyright (C) 2012-2013 Owen Versteeg, http://owenversteeg.com - it is MIT licensed. + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + + +// Override theme settings (see ../template/settings.scss) +$mainFont: 'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif; +$mainColor: #000; +$headingFont: 'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif; +$headingColor: #383D3D; +$headingTextShadow: none; +$headingTextTransform: none; +$backgroundColor: #F0F1EB; +$linkColor: #51483D; +$linkColorHover: lighten( $linkColor, 20% ); +$selectionBackgroundColor: #26351C; + +.reveal a { + line-height: 1.3em; +} + +// Change text colors against dark slide backgrounds +@include dark-bg-text-color(#fff); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/lectures/scala_lecture_3/css/theme/source/simple.scss b/lectures/scala_lecture_3/css/theme/source/simple.scss new file mode 100755 index 00000000..faf245f2 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/simple.scss @@ -0,0 +1,40 @@ +/** + * A simple theme for reveal.js presentations, similar + * to the default theme. The accent color is darkblue. + * + * This theme is Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed. + * reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + + +// Include theme-specific fonts +@import url(https://fonts.googleapis.com/css?family=News+Cycle:400,700); +@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + + +// Override theme settings (see ../template/settings.scss) +$mainFont: 'Lato', sans-serif; +$mainColor: #000; +$headingFont: 'News Cycle', Impact, sans-serif; +$headingColor: #000; +$headingTextShadow: none; +$headingTextTransform: none; +$backgroundColor: #fff; +$linkColor: #00008B; +$linkColorHover: lighten( $linkColor, 20% ); +$selectionBackgroundColor: rgba(0, 0, 0, 0.99); + +// Change text colors against dark slide backgrounds +@include dark-bg-text-color(#fff); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- \ No newline at end of file diff --git a/lectures/scala_lecture_3/css/theme/source/sky.scss b/lectures/scala_lecture_3/css/theme/source/sky.scss new file mode 100755 index 00000000..c83b9c06 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/sky.scss @@ -0,0 +1,49 @@ +/** + * Sky theme for reveal.js. + * + * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + + +// Include theme-specific fonts +@import url(https://fonts.googleapis.com/css?family=Quicksand:400,700,400italic,700italic); +@import url(https://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,400,700); + + +// Override theme settings (see ../template/settings.scss) +$mainFont: 'Open Sans', sans-serif; +$mainColor: #333; +$headingFont: 'Quicksand', sans-serif; +$headingColor: #333; +$headingLetterSpacing: -0.08em; +$headingTextShadow: none; +$backgroundColor: #f7fbfc; +$linkColor: #3b759e; +$linkColorHover: lighten( $linkColor, 20% ); +$selectionBackgroundColor: #134674; + +// Fix links so they are not cut off +.reveal a { + line-height: 1.3em; +} + +// Background generator +@mixin bodyBackground() { + @include radial-gradient( #add9e4, #f7fbfc ); +} + +// Change text colors against dark slide backgrounds +@include dark-bg-text-color(#fff); + + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/lectures/scala_lecture_3/css/theme/source/solarized.scss b/lectures/scala_lecture_3/css/theme/source/solarized.scss new file mode 100755 index 00000000..8bdf1ebc --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/solarized.scss @@ -0,0 +1,63 @@ +/** + * Solarized Light theme for reveal.js. + * Author: Achim Staebler + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + + +// Include theme-specific fonts +@import url(./fonts/league-gothic/league-gothic.css); +@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + + +/** + * Solarized colors by Ethan Schoonover + */ +html * { + color-profile: sRGB; + rendering-intent: auto; +} + +// Solarized colors +$base03: #002b36; +$base02: #073642; +$base01: #586e75; +$base00: #657b83; +$base0: #839496; +$base1: #93a1a1; +$base2: #eee8d5; +$base3: #fdf6e3; +$yellow: #b58900; +$orange: #cb4b16; +$red: #dc322f; +$magenta: #d33682; +$violet: #6c71c4; +$blue: #268bd2; +$cyan: #2aa198; +$green: #859900; + +// Override theme settings (see ../template/settings.scss) +$mainColor: $base00; +$headingColor: $base01; +$headingTextShadow: none; +$backgroundColor: $base3; +$linkColor: $blue; +$linkColorHover: lighten( $linkColor, 20% ); +$selectionBackgroundColor: $magenta; + +// Background generator +// @mixin bodyBackground() { +// @include radial-gradient( rgba($base3,1), rgba(lighten($base3, 20%),1) ); +// } + + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/lectures/scala_lecture_3/css/theme/source/white.scss b/lectures/scala_lecture_3/css/theme/source/white.scss new file mode 100755 index 00000000..443d30a5 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/source/white.scss @@ -0,0 +1,46 @@ +/** + * White theme for reveal.js. This is the opposite of the 'black' theme. + * + * By Hakim El Hattab, http://hakim.se + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + +// Include theme-specific fonts +@import url(./fonts/source-sans-pro/source-sans-pro.css); + + +// Override theme settings (see ../template/settings.scss) +$backgroundColor: #fff; + +$mainColor: #222; +$headingColor: #222; + +$mainFontSize: 42px; +$mainFont: 'Source Sans Pro', Helvetica, sans-serif; +$headingFont: 'Source Sans Pro', Helvetica, sans-serif; +$headingTextShadow: none; +$headingLetterSpacing: normal; +$headingTextTransform: uppercase; +$headingFontWeight: 600; +$linkColor: #2a76dd; +$linkColorHover: lighten( $linkColor, 15% ); +$selectionBackgroundColor: lighten( $linkColor, 25% ); + +$heading1Size: 2.5em; +$heading2Size: 1.6em; +$heading3Size: 1.3em; +$heading4Size: 1.0em; + +// Change text colors against dark slide backgrounds +@include dark-bg-text-color(#fff); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/lectures/scala_lecture_3/css/theme/template/exposer.scss b/lectures/scala_lecture_3/css/theme/template/exposer.scss new file mode 100755 index 00000000..77a9ad1e --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/template/exposer.scss @@ -0,0 +1,27 @@ +// Exposes theme's variables for easy re-use in CSS for plugin authors + +:root { + --background-color: #{$backgroundColor}; + --main-font: #{$mainFont}; + --main-font-size: #{$mainFontSize}; + --main-color: #{$mainColor}; + --block-margin: #{$blockMargin}; + --heading-margin: #{$headingMargin}; + --heading-font: #{$headingFont}; + --heading-color: #{$headingColor}; + --heading-line-height: #{$headingLineHeight}; + --heading-letter-spacing: #{$headingLetterSpacing}; + --heading-text-transform: #{$headingTextTransform}; + --heading-text-shadow: #{$headingTextShadow}; + --heading-font-weight: #{$headingFontWeight}; + --heading1-text-shadow: #{$heading1TextShadow}; + --heading1-size: #{$heading1Size}; + --heading2-size: #{$heading2Size}; + --heading3-size: #{$heading3Size}; + --heading4-size: #{$heading4Size}; + --code-font: #{$codeFont}; + --link-color: #{$linkColor}; + --link-color-hover: #{$linkColorHover}; + --selection-background-color: #{$selectionBackgroundColor}; + --selection-color: #{$selectionColor}; +} diff --git a/lectures/scala_lecture_3/css/theme/template/mixins.scss b/lectures/scala_lecture_3/css/theme/template/mixins.scss new file mode 100755 index 00000000..17a3db5e --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/template/mixins.scss @@ -0,0 +1,45 @@ +@mixin vertical-gradient( $top, $bottom ) { + background: $top; + background: -moz-linear-gradient( top, $top 0%, $bottom 100% ); + background: -webkit-gradient( linear, left top, left bottom, color-stop(0%,$top), color-stop(100%,$bottom) ); + background: -webkit-linear-gradient( top, $top 0%, $bottom 100% ); + background: -o-linear-gradient( top, $top 0%, $bottom 100% ); + background: -ms-linear-gradient( top, $top 0%, $bottom 100% ); + background: linear-gradient( top, $top 0%, $bottom 100% ); +} + +@mixin horizontal-gradient( $top, $bottom ) { + background: $top; + background: -moz-linear-gradient( left, $top 0%, $bottom 100% ); + background: -webkit-gradient( linear, left top, right top, color-stop(0%,$top), color-stop(100%,$bottom) ); + background: -webkit-linear-gradient( left, $top 0%, $bottom 100% ); + background: -o-linear-gradient( left, $top 0%, $bottom 100% ); + background: -ms-linear-gradient( left, $top 0%, $bottom 100% ); + background: linear-gradient( left, $top 0%, $bottom 100% ); +} + +@mixin radial-gradient( $outer, $inner, $type: circle ) { + background: $outer; + background: -moz-radial-gradient( center, $type cover, $inner 0%, $outer 100% ); + background: -webkit-gradient( radial, center center, 0px, center center, 100%, color-stop(0%,$inner), color-stop(100%,$outer) ); + background: -webkit-radial-gradient( center, $type cover, $inner 0%, $outer 100% ); + background: -o-radial-gradient( center, $type cover, $inner 0%, $outer 100% ); + background: -ms-radial-gradient( center, $type cover, $inner 0%, $outer 100% ); + background: radial-gradient( center, $type cover, $inner 0%, $outer 100% ); +} + +@mixin light-bg-text-color( $color ) { + section.has-light-background { + &, h1, h2, h3, h4, h5, h6 { + color: $color; + } + } +} + +@mixin dark-bg-text-color( $color ) { + section.has-dark-background { + &, h1, h2, h3, h4, h5, h6 { + color: $color; + } + } +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/css/theme/template/settings.scss b/lectures/scala_lecture_3/css/theme/template/settings.scss new file mode 100755 index 00000000..5a917f86 --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/template/settings.scss @@ -0,0 +1,45 @@ +// Base settings for all themes that can optionally be +// overridden by the super-theme + +// Background of the presentation +$backgroundColor: #2b2b2b; + +// Primary/body text +$mainFont: 'Lato', sans-serif; +$mainFontSize: 40px; +$mainColor: #eee; + +// Vertical spacing between blocks of text +$blockMargin: 20px; + +// Headings +$headingMargin: 0 0 $blockMargin 0; +$headingFont: 'League Gothic', Impact, sans-serif; +$headingColor: #eee; +$headingLineHeight: 1.2; +$headingLetterSpacing: normal; +$headingTextTransform: uppercase; +$headingTextShadow: none; +$headingFontWeight: normal; +$heading1TextShadow: $headingTextShadow; + +$heading1Size: 3.77em; +$heading2Size: 2.11em; +$heading3Size: 1.55em; +$heading4Size: 1.00em; + +$codeFont: monospace; + +// Links and actions +$linkColor: #13DAEC; +$linkColorHover: lighten( $linkColor, 20% ); + +// Text selection +$selectionBackgroundColor: #FF5E99; +$selectionColor: #fff; + +// Generates the presentation background, can be overridden +// to return a background image or gradient +@mixin bodyBackground() { + background: $backgroundColor; +} diff --git a/lectures/scala_lecture_3/css/theme/template/theme.scss b/lectures/scala_lecture_3/css/theme/template/theme.scss new file mode 100755 index 00000000..9cf0511a --- /dev/null +++ b/lectures/scala_lecture_3/css/theme/template/theme.scss @@ -0,0 +1,320 @@ +// Base theme template for reveal.js + +/********************************************* + * GLOBAL STYLES + *********************************************/ + +@import "./exposer"; + +.reveal-viewport { + @include bodyBackground(); + background-color: $backgroundColor; +} + +.reveal { + font-family: $mainFont; + font-size: $mainFontSize; + font-weight: normal; + color: $mainColor; +} + +.reveal ::selection { + color: $selectionColor; + background: $selectionBackgroundColor; + text-shadow: none; +} + +.reveal ::-moz-selection { + color: $selectionColor; + background: $selectionBackgroundColor; + text-shadow: none; +} + +.reveal .slides section, +.reveal .slides section>section { + line-height: 1.3; + font-weight: inherit; +} + +/********************************************* + * HEADERS + *********************************************/ + +.reveal h1, +.reveal h2, +.reveal h3, +.reveal h4, +.reveal h5, +.reveal h6 { + margin: $headingMargin; + color: $headingColor; + + font-family: $headingFont; + font-weight: $headingFontWeight; + line-height: $headingLineHeight; + letter-spacing: $headingLetterSpacing; + + text-transform: $headingTextTransform; + text-shadow: $headingTextShadow; + + word-wrap: break-word; +} + +.reveal h1 {font-size: $heading1Size; } +.reveal h2 {font-size: $heading2Size; } +.reveal h3 {font-size: $heading3Size; } +.reveal h4 {font-size: $heading4Size; } + +.reveal h1 { + text-shadow: $heading1TextShadow; +} + + +/********************************************* + * OTHER + *********************************************/ + +.reveal p { + margin: $blockMargin 0; + line-height: 1.3; +} + +/* Remove 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position: relative; + width: 70%; + margin: $blockMargin auto; + padding: 5px; + + font-style: italic; + background: rgba(255, 255, 255, 0.05); + box-shadow: 0px 0px 2px rgba(0,0,0,0.2); +} + .reveal blockquote p:first-child, + .reveal blockquote p:last-child { + display: inline-block; + } + +.reveal q { + font-style: italic; +} + +.reveal pre { + display: block; + position: relative; + width: 90%; + margin: $blockMargin auto; + + text-align: left; + font-size: 0.55em; + font-family: $codeFont; + line-height: 1.2em; + + word-wrap: break-word; + + box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15); +} + +.reveal code { + font-family: $codeFont; + text-transform: none; +} + +.reveal pre code { + display: block; + padding: 5px; + overflow: auto; + max-height: 400px; + word-wrap: normal; +} + +.reveal table { + margin: auto; + border-collapse: collapse; + border-spacing: 0; +} + +.reveal table th { + font-weight: bold; +} + +.reveal table th, +.reveal table td { + text-align: left; + padding: 0.2em 0.5em 0.2em 0.5em; + border-bottom: 1px solid; +} + +.reveal table th[align="center"], +.reveal table td[align="center"] { + text-align: center; +} + +.reveal table th[align="right"], +.reveal table td[align="right"] { + text-align: right; +} + +.reveal table tbody tr:last-child th, +.reveal table tbody tr:last-child td { + border-bottom: none; +} + +.reveal sup { + vertical-align: super; + font-size: smaller; +} +.reveal sub { + vertical-align: sub; + font-size: smaller; +} + +.reveal small { + display: inline-block; + font-size: 0.6em; + line-height: 1.2em; + vertical-align: top; +} + +.reveal small * { + vertical-align: top; +} + +.reveal img { + margin: $blockMargin 0; +} + + +/********************************************* + * LINKS + *********************************************/ + +.reveal a { + color: $linkColor; + text-decoration: none; + transition: color .15s ease; +} + .reveal a:hover { + color: $linkColorHover; + text-shadow: none; + border: none; + } + +.reveal .roll span:after { + color: #fff; + background: darken( $linkColor, 15% ); +} + + +/********************************************* + * Frame helper + *********************************************/ + +.reveal .r-frame { + border: 4px solid $mainColor; + box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); +} + +.reveal a .r-frame { + transition: all .15s linear; +} + +.reveal a:hover .r-frame { + border-color: $linkColor; + box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); +} + + +/********************************************* + * NAVIGATION CONTROLS + *********************************************/ + +.reveal .controls { + color: $linkColor; +} + + +/********************************************* + * PROGRESS BAR + *********************************************/ + +.reveal .progress { + background: rgba(0,0,0,0.2); + color: $linkColor; +} + +/********************************************* + * PRINT BACKGROUND + *********************************************/ + @media print { + .backgrounds { + background-color: 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+
+ NAUMEN +
+ + + + +
+
+
+ + + + +
+ +
+
+ Scala collection +
+
+ + + + + + + + + + + \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/components/playback.js b/lectures/scala_lecture_3/js/components/playback.js new file mode 100755 index 00000000..06fa7baa --- /dev/null +++ b/lectures/scala_lecture_3/js/components/playback.js @@ -0,0 +1,165 @@ +/** + * UI component that lets the use control auto-slide + * playback via play/pause. + */ +export default class Playback { + + /** + * @param {HTMLElement} container The component will append + * itself to this + * @param {function} progressCheck A method which will be + * called frequently to get the current playback progress on + * a range of 0-1 + */ + constructor( container, progressCheck ) { + + // Cosmetics + this.diameter = 100; + this.diameter2 = this.diameter/2; + this.thickness = 6; + + // Flags if we are currently playing + this.playing = false; + + // Current progress on a 0-1 range + this.progress = 0; + + // Used to loop the animation smoothly + this.progressOffset = 1; + + this.container = container; + this.progressCheck = progressCheck; + + this.canvas = document.createElement( 'canvas' ); + this.canvas.className = 'playback'; + this.canvas.width = this.diameter; + this.canvas.height = this.diameter; + this.canvas.style.width = this.diameter2 + 'px'; + this.canvas.style.height = this.diameter2 + 'px'; + this.context = this.canvas.getContext( '2d' ); + + this.container.appendChild( this.canvas ); + + this.render(); + + } + + setPlaying( value ) { + + const wasPlaying = this.playing; + + this.playing = value; + + // Start repainting if we weren't already + if( !wasPlaying && this.playing ) { + this.animate(); + } + else { + this.render(); + } + + } + + animate() { + + const progressBefore = this.progress; + + this.progress = this.progressCheck(); + + // When we loop, offset the progress so that it eases + // smoothly rather than immediately resetting + if( progressBefore > 0.8 && this.progress < 0.2 ) { + this.progressOffset = this.progress; + } + + this.render(); + + if( this.playing ) { + requestAnimationFrame( this.animate.bind( this ) ); + } + + } + + /** + * Renders the current progress and playback state. + */ + render() { + + let progress = this.playing ? this.progress : 0, + radius = ( this.diameter2 ) - this.thickness, + x = this.diameter2, + y = this.diameter2, + iconSize = 28; + + // Ease towards 1 + this.progressOffset += ( 1 - this.progressOffset ) * 0.1; + + const endAngle = ( - Math.PI / 2 ) + ( progress * ( Math.PI * 2 ) ); + const startAngle = ( - Math.PI / 2 ) + ( this.progressOffset * ( Math.PI * 2 ) ); + + this.context.save(); + this.context.clearRect( 0, 0, this.diameter, this.diameter ); + + // Solid background color + this.context.beginPath(); + this.context.arc( x, y, radius + 4, 0, Math.PI * 2, false ); + this.context.fillStyle = 'rgba( 0, 0, 0, 0.4 )'; + this.context.fill(); + + // Draw progress track + this.context.beginPath(); + this.context.arc( x, y, radius, 0, Math.PI * 2, false ); + this.context.lineWidth = this.thickness; + this.context.strokeStyle = 'rgba( 255, 255, 255, 0.2 )'; + this.context.stroke(); + + if( this.playing ) { + // Draw progress on top of track + this.context.beginPath(); + this.context.arc( x, y, radius, startAngle, endAngle, false ); + this.context.lineWidth = this.thickness; + this.context.strokeStyle = '#fff'; + this.context.stroke(); + } + + this.context.translate( x - ( iconSize / 2 ), y - ( iconSize / 2 ) ); + + // Draw play/pause icons + if( this.playing ) { + this.context.fillStyle = '#fff'; + this.context.fillRect( 0, 0, iconSize / 2 - 4, iconSize ); + this.context.fillRect( iconSize / 2 + 4, 0, iconSize / 2 - 4, iconSize ); + } + else { + this.context.beginPath(); + this.context.translate( 4, 0 ); + this.context.moveTo( 0, 0 ); + this.context.lineTo( iconSize - 4, iconSize / 2 ); + this.context.lineTo( 0, iconSize ); + this.context.fillStyle = '#fff'; + this.context.fill(); + } + + this.context.restore(); + + } + + on( type, listener ) { + this.canvas.addEventListener( type, listener, false ); + } + + off( type, listener ) { + this.canvas.removeEventListener( type, listener, false ); + } + + destroy() { + + this.playing = false; + + if( this.canvas.parentNode ) { + this.container.removeChild( this.canvas ); + } + + } + +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/config.js b/lectures/scala_lecture_3/js/config.js new file mode 100755 index 00000000..c31c03b1 --- /dev/null +++ b/lectures/scala_lecture_3/js/config.js @@ -0,0 +1,293 @@ +/** + * The default reveal.js config object. + */ +export default { + + // The "normal" size of the presentation, aspect ratio will be preserved + // when the presentation is scaled to fit different resolutions + width: 960, + height: 700, + + // Factor of the display size that should remain empty around the content + margin: 0.04, + + // Bounds for smallest/largest possible scale to apply to content + minScale: 0.2, + maxScale: 2.0, + + // Display presentation control arrows + controls: true, + + // Help the user learn the controls by providing hints, for example by + // bouncing the down arrow when they first encounter a vertical slide + controlsTutorial: true, + + // Determines where controls appear, "edges" or "bottom-right" + controlsLayout: 'bottom-right', + + // Visibility rule for backwards navigation arrows; "faded", "hidden" + // or "visible" + controlsBackArrows: 'faded', + + // Display a presentation progress bar + progress: true, + + // Display the page number of the current slide + // - true: Show slide number + // - false: Hide slide number + // + // Can optionally be set as a string that specifies the number formatting: + // - "h.v": Horizontal . vertical slide number (default) + // - "h/v": Horizontal / vertical slide number + // - "c": Flattened slide number + // - "c/t": Flattened slide number / total slides + // + // Alternatively, you can provide a function that returns the slide + // number for the current slide. The function should take in a slide + // object and return an array with one string [slideNumber] or + // three strings [n1,delimiter,n2]. See #formatSlideNumber(). + slideNumber: false, + + // Can be used to limit the contexts in which the slide number appears + // - "all": Always show the slide number + // - "print": Only when printing to PDF + // - "speaker": Only in the speaker view + showSlideNumber: 'all', + + // Use 1 based indexing for # links to match slide number (default is zero + // based) + hashOneBasedIndex: false, + + // Add the current slide number to the URL hash so that reloading the + // page/copying the URL will return you to the same slide + hash: false, + + // Flags if we should monitor the hash and change slides accordingly + respondToHashChanges: true, + + // Push each slide change to the browser history. Implies `hash: true` + history: false, + + // Enable keyboard shortcuts for navigation + keyboard: true, + + // Optional function that blocks keyboard events when retuning false + // + // If you set this to 'foucsed', we will only capture keyboard events + // for embdedded decks when they are in focus + keyboardCondition: null, + + // Disables the default reveal.js slide layout (scaling and centering) + // so that you can use custom CSS layout + disableLayout: false, + + // Enable the slide overview mode + overview: true, + + // Vertical centering of slides + center: true, + + // Enables touch navigation on devices with touch input + touch: true, + + // Loop the presentation + loop: false, + + // Change the presentation direction to be RTL + rtl: false, + + // Changes the behavior of our navigation directions. + // + // "default" + // Left/right arrow keys step between horizontal slides, up/down + // arrow keys step between vertical slides. Space key steps through + // all slides (both horizontal and vertical). + // + // "linear" + // Removes the up/down arrows. Left/right arrows step through all + // slides (both horizontal and vertical). + // + // "grid" + // When this is enabled, stepping left/right from a vertical stack + // to an adjacent vertical stack will land you at the same vertical + // index. + // + // Consider a deck with six slides ordered in two vertical stacks: + // 1.1 2.1 + // 1.2 2.2 + // 1.3 2.3 + // + // If you're on slide 1.3 and navigate right, you will normally move + // from 1.3 -> 2.1. If "grid" is used, the same navigation takes you + // from 1.3 -> 2.3. + navigationMode: 'default', + + // Randomizes the order of slides each time the presentation loads + shuffle: false, + + // Turns fragments on and off globally + fragments: true, + + // Flags whether to include the current fragment in the URL, + // so that reloading brings you to the same fragment position + fragmentInURL: true, + + // Flags if the presentation is running in an embedded mode, + // i.e. contained within a limited portion of the screen + embedded: false, + + // Flags if we should show a help overlay when the question-mark + // key is pressed + help: true, + + // Flags if it should be possible to pause the presentation (blackout) + pause: true, + + // Flags if speaker notes should be visible to all viewers + showNotes: false, + + // Flags if slides with data-visibility="hidden" should be kep visible + showHiddenSlides: false, + + // Global override for autolaying embedded media (video/audio/iframe) + // - null: Media will only autoplay if data-autoplay is present + // - true: All media will autoplay, regardless of individual setting + // - false: No media will autoplay, regardless of individual setting + autoPlayMedia: null, + + // Global override for preloading lazy-loaded iframes + // - null: Iframes with data-src AND data-preload will be loaded when within + // the viewDistance, iframes with only data-src will be loaded when visible + // - true: All iframes with data-src will be loaded when within the viewDistance + // - false: All iframes with data-src will be loaded only when visible + preloadIframes: null, + + // Can be used to globally disable auto-animation + autoAnimate: true, + + // Optionally provide a custom element matcher that will be + // used to dictate which elements we can animate between. + autoAnimateMatcher: null, + + // Default settings for our auto-animate transitions, can be + // overridden per-slide or per-element via data arguments + autoAnimateEasing: 'ease', + autoAnimateDuration: 1.0, + autoAnimateUnmatched: true, + + // CSS properties that can be auto-animated. Position & scale + // is matched separately so there's no need to include styles + // like top/right/bottom/left, width/height or margin. + autoAnimateStyles: [ + 'opacity', + 'color', + 'background-color', + 'padding', + 'font-size', + 'line-height', + 'letter-spacing', + 'border-width', + 'border-color', + 'border-radius', + 'outline', + 'outline-offset' + ], + + // Controls automatic progression to the next slide + // - 0: Auto-sliding only happens if the data-autoslide HTML attribute + // is present on the current slide or fragment + // - 1+: All slides will progress automatically at the given interval + // - false: No auto-sliding, even if data-autoslide is present + autoSlide: 0, + + // Stop auto-sliding after user input + autoSlideStoppable: true, + + // Use this method for navigation when auto-sliding (defaults to navigateNext) + autoSlideMethod: null, + + // Specify the average time in seconds that you think you will spend + // presenting each slide. This is used to show a pacing timer in the + // speaker view + defaultTiming: null, + + // Enable slide navigation via mouse wheel + mouseWheel: false, + + // Opens links in an iframe preview overlay + // Add `data-preview-link` and `data-preview-link="false"` to customise each link + // individually + previewLinks: false, + + // Exposes the reveal.js API through window.postMessage + postMessage: true, + + // Dispatches all reveal.js events to the parent window through postMessage + postMessageEvents: false, + + // Focuses body when page changes visibility to ensure keyboard shortcuts work + focusBodyOnPageVisibilityChange: true, + + // Transition style + transition: 'slide', // none/fade/slide/convex/concave/zoom + + // Transition speed + transitionSpeed: 'default', // default/fast/slow + + // Transition style for full page slide backgrounds + backgroundTransition: 'fade', // none/fade/slide/convex/concave/zoom + + // Parallax background image + parallaxBackgroundImage: '', // CSS syntax, e.g. "a.jpg" + + // Parallax background size + parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px" + + // Parallax background repeat + parallaxBackgroundRepeat: '', // repeat/repeat-x/repeat-y/no-repeat/initial/inherit + + // Parallax background position + parallaxBackgroundPosition: '', // CSS syntax, e.g. "top left" + + // Amount of pixels to move the parallax background per slide step + parallaxBackgroundHorizontal: null, + parallaxBackgroundVertical: null, + + // The maximum number of pages a single slide can expand onto when printing + // to PDF, unlimited by default + pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY, + + // Prints each fragment on a separate slide + pdfSeparateFragments: true, + + // Offset used to reduce the height of content within exported PDF pages. + // This exists to account for environment differences based on how you + // print to PDF. CLI printing options, like phantomjs and wkpdf, can end + // on precisely the total height of the document whereas in-browser + // printing has to end one pixel before. + pdfPageHeightOffset: -1, + + // Number of slides away from the current that are visible + viewDistance: 3, + + // Number of slides away from the current that are visible on mobile + // devices. It is advisable to set this to a lower number than + // viewDistance in order to save resources. + mobileViewDistance: 2, + + // The display mode that will be used to show slides + display: 'block', + + // Hide cursor if inactive + hideInactiveCursor: true, + + // Time before the cursor is hidden (in ms) + hideCursorTime: 5000, + + // Script dependencies to load + dependencies: [], + + // Plugin objects to register and use for this presentation + plugins: [] + +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/controllers/autoanimate.js b/lectures/scala_lecture_3/js/controllers/autoanimate.js new file mode 100755 index 00000000..ff74eee8 --- /dev/null +++ b/lectures/scala_lecture_3/js/controllers/autoanimate.js @@ -0,0 +1,619 @@ +import { queryAll, extend, createStyleSheet, matches, closest } from '../utils/util.js' +import { FRAGMENT_STYLE_REGEX } from '../utils/constants.js' + +// Counter used to generate unique IDs for auto-animated elements +let autoAnimateCounter = 0; + +/** + * Automatically animates matching elements across + * slides with the [data-auto-animate] attribute. + */ +export default class AutoAnimate { + + constructor( Reveal ) { + + this.Reveal = Reveal; + + } + + /** + * Runs an auto-animation between the given slides. + * + * @param {HTMLElement} fromSlide + * @param {HTMLElement} toSlide + */ + run( fromSlide, toSlide ) { + + // Clean up after prior animations + this.reset(); + + // Ensure that both slides are auto-animate targets + if( fromSlide.hasAttribute( 'data-auto-animate' ) && toSlide.hasAttribute( 'data-auto-animate' ) ) { + + // Create a new auto-animate sheet + this.autoAnimateStyleSheet = this.autoAnimateStyleSheet || createStyleSheet(); + + let animationOptions = this.getAutoAnimateOptions( toSlide ); + + // Set our starting state + fromSlide.dataset.autoAnimate = 'pending'; + toSlide.dataset.autoAnimate = 'pending'; + + // Flag the navigation direction, needed for fragment buildup + let allSlides = this.Reveal.getSlides(); + animationOptions.slideDirection = allSlides.indexOf( toSlide ) > allSlides.indexOf( fromSlide ) ? 'forward' : 'backward'; + + // Inject our auto-animate styles for this transition + let css = this.getAutoAnimatableElements( fromSlide, toSlide ).map( elements => { + return this.autoAnimateElements( elements.from, elements.to, elements.options || {}, animationOptions, autoAnimateCounter++ ); + } ); + + // Animate unmatched elements, if enabled + if( toSlide.dataset.autoAnimateUnmatched !== 'false' && this.Reveal.getConfig().autoAnimateUnmatched === true ) { + + // Our default timings for unmatched elements + let defaultUnmatchedDuration = animationOptions.duration * 0.8, + defaultUnmatchedDelay = animationOptions.duration * 0.2; + + this.getUnmatchedAutoAnimateElements( toSlide ).forEach( unmatchedElement => { + + let unmatchedOptions = this.getAutoAnimateOptions( unmatchedElement, animationOptions ); + let id = 'unmatched'; + + // If there is a duration or delay set specifically for this + // element our unmatched elements should adhere to those + if( unmatchedOptions.duration !== animationOptions.duration || unmatchedOptions.delay !== animationOptions.delay ) { + id = 'unmatched-' + autoAnimateCounter++; + css.push( `[data-auto-animate="running"] [data-auto-animate-target="${id}"] { transition: opacity ${unmatchedOptions.duration}s ease ${unmatchedOptions.delay}s; }` ); + } + + unmatchedElement.dataset.autoAnimateTarget = id; + + }, this ); + + // Our default transition for unmatched elements + css.push( `[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${defaultUnmatchedDuration}s ease ${defaultUnmatchedDelay}s; }` ); + + } + + // Setting the whole chunk of CSS at once is the most + // efficient way to do this. Using sheet.insertRule + // is multiple factors slower. + this.autoAnimateStyleSheet.innerHTML = css.join( '' ); + + // Start the animation next cycle + requestAnimationFrame( () => { + if( this.autoAnimateStyleSheet ) { + // This forces our newly injected styles to be applied in Firefox + getComputedStyle( this.autoAnimateStyleSheet ).fontWeight; + + toSlide.dataset.autoAnimate = 'running'; + } + } ); + + this.Reveal.dispatchEvent({ + type: 'autoanimate', + data: { + fromSlide, + toSlide, + sheet: this.autoAnimateStyleSheet + } + }); + + } + + } + + /** + * Rolls back all changes that we've made to the DOM so + * that as part of animating. + */ + reset() { + + // Reset slides + queryAll( this.Reveal.getRevealElement(), '[data-auto-animate]:not([data-auto-animate=""])' ).forEach( element => { + element.dataset.autoAnimate = ''; + } ); + + // Reset elements + queryAll( this.Reveal.getRevealElement(), '[data-auto-animate-target]' ).forEach( element => { + delete element.dataset.autoAnimateTarget; + } ); + + // Remove the animation sheet + if( this.autoAnimateStyleSheet && this.autoAnimateStyleSheet.parentNode ) { + this.autoAnimateStyleSheet.parentNode.removeChild( this.autoAnimateStyleSheet ); + this.autoAnimateStyleSheet = null; + } + + } + + /** + * Creates a FLIP animation where the `to` element starts out + * in the `from` element position and animates to its original + * state. + * + * @param {HTMLElement} from + * @param {HTMLElement} to + * @param {Object} elementOptions Options for this element pair + * @param {Object} animationOptions Options set at the slide level + * @param {String} id Unique ID that we can use to identify this + * auto-animate element in the DOM + */ + autoAnimateElements( from, to, elementOptions, animationOptions, id ) { + + // 'from' elements are given a data-auto-animate-target with no value, + // 'to' elements are are given a data-auto-animate-target with an ID + from.dataset.autoAnimateTarget = ''; + to.dataset.autoAnimateTarget = id; + + // Each element may override any of the auto-animate options + // like transition easing, duration and delay via data-attributes + let options = this.getAutoAnimateOptions( to, animationOptions ); + + // If we're using a custom element matcher the element options + // may contain additional transition overrides + if( typeof elementOptions.delay !== 'undefined' ) options.delay = elementOptions.delay; + if( typeof elementOptions.duration !== 'undefined' ) options.duration = elementOptions.duration; + if( typeof elementOptions.easing !== 'undefined' ) options.easing = elementOptions.easing; + + let fromProps = this.getAutoAnimatableProperties( 'from', from, elementOptions ), + toProps = this.getAutoAnimatableProperties( 'to', to, elementOptions ); + + // Maintain fragment visibility for matching elements when + // we're navigating forwards, this way the viewer won't need + // to step through the same fragments twice + if( to.classList.contains( 'fragment' ) ) { + + // Don't auto-animate the opacity of fragments to avoid + // conflicts with fragment animations + delete toProps.styles['opacity']; + + if( from.classList.contains( 'fragment' ) ) { + + let fromFragmentStyle = ( from.className.match( FRAGMENT_STYLE_REGEX ) || [''] )[0]; + let toFragmentStyle = ( to.className.match( FRAGMENT_STYLE_REGEX ) || [''] )[0]; + + // Only skip the fragment if the fragment animation style + // remains unchanged + if( fromFragmentStyle === toFragmentStyle && animationOptions.slideDirection === 'forward' ) { + to.classList.add( 'visible', 'disabled' ); + } + + } + + } + + // If translation and/or scaling are enabled, css transform + // the 'to' element so that it matches the position and size + // of the 'from' element + if( elementOptions.translate !== false || elementOptions.scale !== false ) { + + let presentationScale = this.Reveal.getScale(); + + let delta = { + x: ( fromProps.x - toProps.x ) / presentationScale, + y: ( fromProps.y - toProps.y ) / presentationScale, + scaleX: fromProps.width / toProps.width, + scaleY: fromProps.height / toProps.height + }; + + // Limit decimal points to avoid 0.0001px blur and stutter + delta.x = Math.round( delta.x * 1000 ) / 1000; + delta.y = Math.round( delta.y * 1000 ) / 1000; + delta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000; + delta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000; + + let translate = elementOptions.translate !== false && ( delta.x !== 0 || delta.y !== 0 ), + scale = elementOptions.scale !== false && ( delta.scaleX !== 0 || delta.scaleY !== 0 ); + + // No need to transform if nothing's changed + if( translate || scale ) { + + let transform = []; + + if( translate ) transform.push( `translate(${delta.x}px, ${delta.y}px)` ); + if( scale ) transform.push( `scale(${delta.scaleX}, ${delta.scaleY})` ); + + fromProps.styles['transform'] = transform.join( ' ' ); + fromProps.styles['transform-origin'] = 'top left'; + + toProps.styles['transform'] = 'none'; + + } + + } + + // Delete all unchanged 'to' styles + for( let propertyName in toProps.styles ) { + const toValue = toProps.styles[propertyName]; + const fromValue = fromProps.styles[propertyName]; + + if( toValue === fromValue ) { + delete toProps.styles[propertyName]; + } + else { + // If these property values were set via a custom matcher providing + // an explicit 'from' and/or 'to' value, we always inject those values. + if( toValue.explicitValue === true ) { + toProps.styles[propertyName] = toValue.value; + } + + if( fromValue.explicitValue === true ) { + fromProps.styles[propertyName] = fromValue.value; + } + } + } + + let css = ''; + + let toStyleProperties = Object.keys( toProps.styles ); + + // Only create animate this element IF at least one style + // property has changed + if( toStyleProperties.length > 0 ) { + + // Instantly move to the 'from' state + fromProps.styles['transition'] = 'none'; + + // Animate towards the 'to' state + toProps.styles['transition'] = `all ${options.duration}s ${options.easing} ${options.delay}s`; + toProps.styles['transition-property'] = toStyleProperties.join( ', ' ); + toProps.styles['will-change'] = toStyleProperties.join( ', ' ); + + // Build up our custom CSS. We need to override inline styles + // so we need to make our styles vErY IMPORTANT!1!! + let fromCSS = Object.keys( fromProps.styles ).map( propertyName => { + return propertyName + ': ' + fromProps.styles[propertyName] + ' !important;'; + } ).join( '' ); + + let toCSS = Object.keys( toProps.styles ).map( propertyName => { + return propertyName + ': ' + toProps.styles[propertyName] + ' !important;'; + } ).join( '' ); + + css = '[data-auto-animate-target="'+ id +'"] {'+ fromCSS +'}' + + '[data-auto-animate="running"] [data-auto-animate-target="'+ id +'"] {'+ toCSS +'}'; + + } + + return css; + + } + + /** + * Returns the auto-animate options for the given element. + * + * @param {HTMLElement} element Element to pick up options + * from, either a slide or an animation target + * @param {Object} [inheritedOptions] Optional set of existing + * options + */ + getAutoAnimateOptions( element, inheritedOptions ) { + + let options = { + easing: this.Reveal.getConfig().autoAnimateEasing, + duration: this.Reveal.getConfig().autoAnimateDuration, + delay: 0 + }; + + options = extend( options, inheritedOptions ); + + // Inherit options from parent elements + if( element.parentNode ) { + let autoAnimatedParent = closest( element.parentNode, '[data-auto-animate-target]' ); + if( autoAnimatedParent ) { + options = this.getAutoAnimateOptions( autoAnimatedParent, options ); + } + } + + if( element.dataset.autoAnimateEasing ) { + options.easing = element.dataset.autoAnimateEasing; + } + + if( element.dataset.autoAnimateDuration ) { + options.duration = parseFloat( element.dataset.autoAnimateDuration ); + } + + if( element.dataset.autoAnimateDelay ) { + options.delay = parseFloat( element.dataset.autoAnimateDelay ); + } + + return options; + + } + + /** + * Returns an object containing all of the properties + * that can be auto-animated for the given element and + * their current computed values. + * + * @param {String} direction 'from' or 'to' + */ + getAutoAnimatableProperties( direction, element, elementOptions ) { + + let config = this.Reveal.getConfig(); + + let properties = { styles: [] }; + + // Position and size + if( elementOptions.translate !== false || elementOptions.scale !== false ) { + let bounds; + + // Custom auto-animate may optionally return a custom tailored + // measurement function + if( typeof elementOptions.measure === 'function' ) { + bounds = elementOptions.measure( element ); + } + else { + if( config.center ) { + // More precise, but breaks when used in combination + // with zoom for scaling the deck ¯\_(ツ)_/¯ + bounds = element.getBoundingClientRect(); + } + else { + let scale = this.Reveal.getScale(); + bounds = { + x: element.offsetLeft * scale, + y: element.offsetTop * scale, + width: element.offsetWidth * scale, + height: element.offsetHeight * scale + }; + } + } + + properties.x = bounds.x; + properties.y = bounds.y; + properties.width = bounds.width; + properties.height = bounds.height; + } + + const computedStyles = getComputedStyle( element ); + + // CSS styles + ( elementOptions.styles || config.autoAnimateStyles ).forEach( style => { + let value; + + // `style` is either the property name directly, or an object + // definition of a style property + if( typeof style === 'string' ) style = { property: style }; + + if( typeof style.from !== 'undefined' && direction === 'from' ) { + value = { value: style.from, explicitValue: true }; + } + else if( typeof style.to !== 'undefined' && direction === 'to' ) { + value = { value: style.to, explicitValue: true }; + } + else { + value = computedStyles[style.property]; + } + + if( value !== '' ) { + properties.styles[style.property] = value; + } + } ); + + return properties; + + } + + /** + * Get a list of all element pairs that we can animate + * between the given slides. + * + * @param {HTMLElement} fromSlide + * @param {HTMLElement} toSlide + * + * @return {Array} Each value is an array where [0] is + * the element we're animating from and [1] is the + * element we're animating to + */ + getAutoAnimatableElements( fromSlide, toSlide ) { + + let matcher = typeof this.Reveal.getConfig().autoAnimateMatcher === 'function' ? this.Reveal.getConfig().autoAnimateMatcher : this.getAutoAnimatePairs; + + let pairs = matcher.call( this, fromSlide, toSlide ); + + let reserved = []; + + // Remove duplicate pairs + return pairs.filter( ( pair, index ) => { + if( reserved.indexOf( pair.to ) === -1 ) { + reserved.push( pair.to ); + return true; + } + } ); + + } + + /** + * Identifies matching elements between slides. + * + * You can specify a custom matcher function by using + * the `autoAnimateMatcher` config option. + */ + getAutoAnimatePairs( fromSlide, toSlide ) { + + let pairs = []; + + const codeNodes = 'pre'; + const textNodes = 'h1, h2, h3, h4, h5, h6, p, li'; + const mediaNodes = 'img, video, iframe'; + + // Eplicit matches via data-id + this.findAutoAnimateMatches( pairs, fromSlide, toSlide, '[data-id]', node => { + return node.nodeName + ':::' + node.getAttribute( 'data-id' ); + } ); + + // Text + this.findAutoAnimateMatches( pairs, fromSlide, toSlide, textNodes, node => { + return node.nodeName + ':::' + node.innerText; + } ); + + // Media + this.findAutoAnimateMatches( pairs, fromSlide, toSlide, mediaNodes, node => { + return node.nodeName + ':::' + ( node.getAttribute( 'src' ) || node.getAttribute( 'data-src' ) ); + } ); + + // Code + this.findAutoAnimateMatches( pairs, fromSlide, toSlide, codeNodes, node => { + return node.nodeName + ':::' + node.innerText; + } ); + + pairs.forEach( pair => { + + // Disable scale transformations on text nodes, we transition + // each individual text property instead + if( matches( pair.from, textNodes ) ) { + pair.options = { scale: false }; + } + // Animate individual lines of code + else if( matches( pair.from, codeNodes ) ) { + + // Transition the code block's width and height instead of scaling + // to prevent its content from being squished + pair.options = { scale: false, styles: [ 'width', 'height' ] }; + + // Lines of code + this.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-code', node => { + return node.textContent; + }, { + scale: false, + styles: [], + measure: this.getLocalBoundingBox.bind( this ) + } ); + + // Line numbers + this.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-line[data-line-number]', node => { + return node.getAttribute( 'data-line-number' ); + }, { + scale: false, + styles: [ 'width' ], + measure: this.getLocalBoundingBox.bind( this ) + } ); + + } + + }, this ); + + return pairs; + + } + + /** + * Helper method which returns a bounding box based on + * the given elements offset coordinates. + * + * @param {HTMLElement} element + * @return {Object} x, y, width, height + */ + getLocalBoundingBox( element ) { + + const presentationScale = this.Reveal.getScale(); + + return { + x: Math.round( ( element.offsetLeft * presentationScale ) * 100 ) / 100, + y: Math.round( ( element.offsetTop * presentationScale ) * 100 ) / 100, + width: Math.round( ( element.offsetWidth * presentationScale ) * 100 ) / 100, + height: Math.round( ( element.offsetHeight * presentationScale ) * 100 ) / 100 + }; + + } + + /** + * Finds matching elements between two slides. + * + * @param {Array} pairs List of pairs to push matches to + * @param {HTMLElement} fromScope Scope within the from element exists + * @param {HTMLElement} toScope Scope within the to element exists + * @param {String} selector CSS selector of the element to match + * @param {Function} serializer A function that accepts an element and returns + * a stringified ID based on its contents + * @param {Object} animationOptions Optional config options for this pair + */ + findAutoAnimateMatches( pairs, fromScope, toScope, selector, serializer, animationOptions ) { + + let fromMatches = {}; + let toMatches = {}; + + [].slice.call( fromScope.querySelectorAll( selector ) ).forEach( ( element, i ) => { + const key = serializer( element ); + if( typeof key === 'string' && key.length ) { + fromMatches[key] = fromMatches[key] || []; + fromMatches[key].push( element ); + } + } ); + + [].slice.call( toScope.querySelectorAll( selector ) ).forEach( ( element, i ) => { + const key = serializer( element ); + toMatches[key] = toMatches[key] || []; + toMatches[key].push( element ); + + let fromElement; + + // Retrieve the 'from' element + if( fromMatches[key] ) { + const pimaryIndex = toMatches[key].length - 1; + const secondaryIndex = fromMatches[key].length - 1; + + // If there are multiple identical from elements, retrieve + // the one at the same index as our to-element. + if( fromMatches[key][ pimaryIndex ] ) { + fromElement = fromMatches[key][ pimaryIndex ]; + fromMatches[key][ pimaryIndex ] = null; + } + // If there are no matching from-elements at the same index, + // use the last one. + else if( fromMatches[key][ secondaryIndex ] ) { + fromElement = fromMatches[key][ secondaryIndex ]; + fromMatches[key][ secondaryIndex ] = null; + } + } + + // If we've got a matching pair, push it to the list of pairs + if( fromElement ) { + pairs.push({ + from: fromElement, + to: element, + options: animationOptions + }); + } + } ); + + } + + /** + * Returns a all elements within the given scope that should + * be considered unmatched in an auto-animate transition. If + * fading of unmatched elements is turned on, these elements + * will fade when going between auto-animate slides. + * + * Note that parents of auto-animate targets are NOT considerd + * unmatched since fading them would break the auto-animation. + * + * @param {HTMLElement} rootElement + * @return {Array} + */ + getUnmatchedAutoAnimateElements( rootElement ) { + + return [].slice.call( rootElement.children ).reduce( ( result, element ) => { + + const containsAnimatedElements = element.querySelector( '[data-auto-animate-target]' ); + + // The element is unmatched if + // - It is not an auto-animate target + // - It does not contain any auto-animate targets + if( !element.hasAttribute( 'data-auto-animate-target' ) && !containsAnimatedElements ) { + result.push( element ); + } + + if( element.querySelector( '[data-auto-animate-target]' ) ) { + result = result.concat( this.getUnmatchedAutoAnimateElements( element ) ); + } + + return result; + + }, [] ); + + } + +} diff --git a/lectures/scala_lecture_3/js/controllers/backgrounds.js b/lectures/scala_lecture_3/js/controllers/backgrounds.js new file mode 100755 index 00000000..e8cc9960 --- /dev/null +++ b/lectures/scala_lecture_3/js/controllers/backgrounds.js @@ -0,0 +1,397 @@ +import { queryAll } from '../utils/util.js' +import { colorToRgb, colorBrightness } from '../utils/color.js' + +/** + * Creates and updates slide backgrounds. + */ +export default class Backgrounds { + + constructor( Reveal ) { + + this.Reveal = Reveal; + + } + + render() { + + this.element = document.createElement( 'div' ); + this.element.className = 'backgrounds'; + this.Reveal.getRevealElement().appendChild( this.element ); + + } + + /** + * Creates the slide background elements and appends them + * to the background container. One element is created per + * slide no matter if the given slide has visible background. + */ + create() { + + let printMode = this.Reveal.isPrintingPDF(); + + // Clear prior backgrounds + this.element.innerHTML = ''; + this.element.classList.add( 'no-transition' ); + + // Iterate over all horizontal slides + this.Reveal.getHorizontalSlides().forEach( slideh => { + + let backgroundStack = this.createBackground( slideh, this.element ); + + // Iterate over all vertical slides + queryAll( slideh, 'section' ).forEach( slidev => { + + this.createBackground( slidev, backgroundStack ); + + backgroundStack.classList.add( 'stack' ); + + } ); + + } ); + + // Add parallax background if specified + if( this.Reveal.getConfig().parallaxBackgroundImage ) { + + this.element.style.backgroundImage = 'url("' + this.Reveal.getConfig().parallaxBackgroundImage + '")'; + this.element.style.backgroundSize = this.Reveal.getConfig().parallaxBackgroundSize; + this.element.style.backgroundRepeat = this.Reveal.getConfig().parallaxBackgroundRepeat; + this.element.style.backgroundPosition = this.Reveal.getConfig().parallaxBackgroundPosition; + + // Make sure the below properties are set on the element - these properties are + // needed for proper transitions to be set on the element via CSS. To remove + // annoying background slide-in effect when the presentation starts, apply + // these properties after short time delay + setTimeout( () => { + this.Reveal.getRevealElement().classList.add( 'has-parallax-background' ); + }, 1 ); + + } + else { + + this.element.style.backgroundImage = ''; + this.Reveal.getRevealElement().classList.remove( 'has-parallax-background' ); + + } + + } + + /** + * Creates a background for the given slide. + * + * @param {HTMLElement} slide + * @param {HTMLElement} container The element that the background + * should be appended to + * @return {HTMLElement} New background div + */ + createBackground( slide, container ) { + + // Main slide background element + let element = document.createElement( 'div' ); + element.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' ); + + // Inner background element that wraps images/videos/iframes + let contentElement = document.createElement( 'div' ); + contentElement.className = 'slide-background-content'; + + element.appendChild( contentElement ); + container.appendChild( element ); + + slide.slideBackgroundElement = element; + slide.slideBackgroundContentElement = contentElement; + + // Syncs the background to reflect all current background settings + this.sync( slide ); + + return element; + + } + + /** + * Renders all of the visual properties of a slide background + * based on the various background attributes. + * + * @param {HTMLElement} slide + */ + sync( slide ) { + + let element = slide.slideBackgroundElement, + contentElement = slide.slideBackgroundContentElement; + + // Reset the prior background state in case this is not the + // initial sync + slide.classList.remove( 'has-dark-background' ); + slide.classList.remove( 'has-light-background' ); + + element.removeAttribute( 'data-loaded' ); + element.removeAttribute( 'data-background-hash' ); + element.removeAttribute( 'data-background-size' ); + element.removeAttribute( 'data-background-transition' ); + element.style.backgroundColor = ''; + + contentElement.style.backgroundSize = ''; + contentElement.style.backgroundRepeat = ''; + contentElement.style.backgroundPosition = ''; + contentElement.style.backgroundImage = ''; + contentElement.style.opacity = ''; + contentElement.innerHTML = ''; + + let data = { + background: slide.getAttribute( 'data-background' ), + backgroundSize: slide.getAttribute( 'data-background-size' ), + backgroundImage: slide.getAttribute( 'data-background-image' ), + backgroundVideo: slide.getAttribute( 'data-background-video' ), + backgroundIframe: slide.getAttribute( 'data-background-iframe' ), + backgroundColor: slide.getAttribute( 'data-background-color' ), + backgroundRepeat: slide.getAttribute( 'data-background-repeat' ), + backgroundPosition: slide.getAttribute( 'data-background-position' ), + backgroundTransition: slide.getAttribute( 'data-background-transition' ), + backgroundOpacity: slide.getAttribute( 'data-background-opacity' ) + }; + + if( data.background ) { + // Auto-wrap image urls in url(...) + if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test( data.background ) ) { + slide.setAttribute( 'data-background-image', data.background ); + } + else { + element.style.background = data.background; + } + } + + // Create a hash for this combination of background settings. + // This is used to determine when two slide backgrounds are + // the same. + if( data.background || data.backgroundColor || data.backgroundImage || data.backgroundVideo || data.backgroundIframe ) { + element.setAttribute( 'data-background-hash', data.background + + data.backgroundSize + + data.backgroundImage + + data.backgroundVideo + + data.backgroundIframe + + data.backgroundColor + + data.backgroundRepeat + + data.backgroundPosition + + data.backgroundTransition + + data.backgroundOpacity ); + } + + // Additional and optional background properties + if( data.backgroundSize ) element.setAttribute( 'data-background-size', data.backgroundSize ); + if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor; + if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition ); + + if( slide.hasAttribute( 'data-preload' ) ) element.setAttribute( 'data-preload', '' ); + + // Background image options are set on the content wrapper + if( data.backgroundSize ) contentElement.style.backgroundSize = data.backgroundSize; + if( data.backgroundRepeat ) contentElement.style.backgroundRepeat = data.backgroundRepeat; + if( data.backgroundPosition ) contentElement.style.backgroundPosition = data.backgroundPosition; + if( data.backgroundOpacity ) contentElement.style.opacity = data.backgroundOpacity; + + // If this slide has a background color, we add a class that + // signals if it is light or dark. If the slide has no background + // color, no class will be added + let contrastColor = data.backgroundColor; + + // If no bg color was found, check the computed background + if( !contrastColor ) { + let computedBackgroundStyle = window.getComputedStyle( element ); + if( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) { + contrastColor = computedBackgroundStyle.backgroundColor; + } + } + + if( contrastColor ) { + let rgb = colorToRgb( contrastColor ); + + // Ignore fully transparent backgrounds. Some browsers return + // rgba(0,0,0,0) when reading the computed background color of + // an element with no background + if( rgb && rgb.a !== 0 ) { + if( colorBrightness( contrastColor ) < 128 ) { + slide.classList.add( 'has-dark-background' ); + } + else { + slide.classList.add( 'has-light-background' ); + } + } + } + + } + + /** + * Updates the background elements to reflect the current + * slide. + * + * @param {boolean} includeAll If true, the backgrounds of + * all vertical slides (not just the present) will be updated. + */ + update( includeAll = false ) { + + let currentSlide = this.Reveal.getCurrentSlide(); + let indices = this.Reveal.getIndices(); + + let currentBackground = null; + + // Reverse past/future classes when in RTL mode + let horizontalPast = this.Reveal.getConfig().rtl ? 'future' : 'past', + horizontalFuture = this.Reveal.getConfig().rtl ? 'past' : 'future'; + + // Update the classes of all backgrounds to match the + // states of their slides (past/present/future) + Array.from( this.element.childNodes ).forEach( ( backgroundh, h ) => { + + backgroundh.classList.remove( 'past', 'present', 'future' ); + + if( h < indices.h ) { + backgroundh.classList.add( horizontalPast ); + } + else if ( h > indices.h ) { + backgroundh.classList.add( horizontalFuture ); + } + else { + backgroundh.classList.add( 'present' ); + + // Store a reference to the current background element + currentBackground = backgroundh; + } + + if( includeAll || h === indices.h ) { + queryAll( backgroundh, '.slide-background' ).forEach( ( backgroundv, v ) => { + + backgroundv.classList.remove( 'past', 'present', 'future' ); + + if( v < indices.v ) { + backgroundv.classList.add( 'past' ); + } + else if ( v > indices.v ) { + backgroundv.classList.add( 'future' ); + } + else { + backgroundv.classList.add( 'present' ); + + // Only if this is the present horizontal and vertical slide + if( h === indices.h ) currentBackground = backgroundv; + } + + } ); + } + + } ); + + // Stop content inside of previous backgrounds + if( this.previousBackground ) { + + this.Reveal.slideContent.stopEmbeddedContent( this.previousBackground, { unloadIframes: !this.Reveal.slideContent.shouldPreload( this.previousBackground ) } ); + + } + + // Start content in the current background + if( currentBackground ) { + + this.Reveal.slideContent.startEmbeddedContent( currentBackground ); + + let currentBackgroundContent = currentBackground.querySelector( '.slide-background-content' ); + if( currentBackgroundContent ) { + + let backgroundImageURL = currentBackgroundContent.style.backgroundImage || ''; + + // Restart GIFs (doesn't work in Firefox) + if( /\.gif/i.test( backgroundImageURL ) ) { + currentBackgroundContent.style.backgroundImage = ''; + window.getComputedStyle( currentBackgroundContent ).opacity; + currentBackgroundContent.style.backgroundImage = backgroundImageURL; + } + + } + + // Don't transition between identical backgrounds. This + // prevents unwanted flicker. + let previousBackgroundHash = this.previousBackground ? this.previousBackground.getAttribute( 'data-background-hash' ) : null; + let currentBackgroundHash = currentBackground.getAttribute( 'data-background-hash' ); + if( currentBackgroundHash && currentBackgroundHash === previousBackgroundHash && currentBackground !== this.previousBackground ) { + this.element.classList.add( 'no-transition' ); + } + + this.previousBackground = currentBackground; + + } + + // If there's a background brightness flag for this slide, + // bubble it to the .reveal container + if( currentSlide ) { + [ 'has-light-background', 'has-dark-background' ].forEach( classToBubble => { + if( currentSlide.classList.contains( classToBubble ) ) { + this.Reveal.getRevealElement().classList.add( classToBubble ); + } + else { + this.Reveal.getRevealElement().classList.remove( classToBubble ); + } + }, this ); + } + + // Allow the first background to apply without transition + setTimeout( () => { + this.element.classList.remove( 'no-transition' ); + }, 1 ); + + } + + /** + * Updates the position of the parallax background based + * on the current slide index. + */ + updateParallax() { + + let indices = this.Reveal.getIndices(); + + if( this.Reveal.getConfig().parallaxBackgroundImage ) { + + let horizontalSlides = this.Reveal.getHorizontalSlides(), + verticalSlides = this.Reveal.getVerticalSlides(); + + let backgroundSize = this.element.style.backgroundSize.split( ' ' ), + backgroundWidth, backgroundHeight; + + if( backgroundSize.length === 1 ) { + backgroundWidth = backgroundHeight = parseInt( backgroundSize[0], 10 ); + } + else { + backgroundWidth = parseInt( backgroundSize[0], 10 ); + backgroundHeight = parseInt( backgroundSize[1], 10 ); + } + + let slideWidth = this.element.offsetWidth, + horizontalSlideCount = horizontalSlides.length, + horizontalOffsetMultiplier, + horizontalOffset; + + if( typeof this.Reveal.getConfig().parallaxBackgroundHorizontal === 'number' ) { + horizontalOffsetMultiplier = this.Reveal.getConfig().parallaxBackgroundHorizontal; + } + else { + horizontalOffsetMultiplier = horizontalSlideCount > 1 ? ( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) : 0; + } + + horizontalOffset = horizontalOffsetMultiplier * indices.h * -1; + + let slideHeight = this.element.offsetHeight, + verticalSlideCount = verticalSlides.length, + verticalOffsetMultiplier, + verticalOffset; + + if( typeof this.Reveal.getConfig().parallaxBackgroundVertical === 'number' ) { + verticalOffsetMultiplier = this.Reveal.getConfig().parallaxBackgroundVertical; + } + else { + verticalOffsetMultiplier = ( backgroundHeight - slideHeight ) / ( verticalSlideCount-1 ); + } + + verticalOffset = verticalSlideCount > 0 ? verticalOffsetMultiplier * indices.v : 0; + + this.element.style.backgroundPosition = horizontalOffset + 'px ' + -verticalOffset + 'px'; + + } + + } + +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/controllers/controls.js b/lectures/scala_lecture_3/js/controllers/controls.js new file mode 100755 index 00000000..556bcf08 --- /dev/null +++ b/lectures/scala_lecture_3/js/controllers/controls.js @@ -0,0 +1,259 @@ +import { queryAll } from '../utils/util.js' +import { isAndroid } from '../utils/device.js' + +/** + * Manages our presentation controls. This includes both + * the built-in control arrows as well as event monitoring + * of any elements within the presentation with either of the + * following helper classes: + * - .navigate-up + * - .navigate-right + * - .navigate-down + * - .navigate-left + * - .navigate-next + * - .navigate-prev + */ +export default class Controls { + + constructor( Reveal ) { + + this.Reveal = Reveal; + + this.onNavigateLeftClicked = this.onNavigateLeftClicked.bind( this ); + this.onNavigateRightClicked = this.onNavigateRightClicked.bind( this ); + this.onNavigateUpClicked = this.onNavigateUpClicked.bind( this ); + this.onNavigateDownClicked = this.onNavigateDownClicked.bind( this ); + this.onNavigatePrevClicked = this.onNavigatePrevClicked.bind( this ); + this.onNavigateNextClicked = this.onNavigateNextClicked.bind( this ); + + } + + render() { + + const rtl = this.Reveal.getConfig().rtl; + const revealElement = this.Reveal.getRevealElement(); + + this.element = document.createElement( 'aside' ); + this.element.className = 'controls'; + this.element.innerHTML = + ` + + + `; + + this.Reveal.getRevealElement().appendChild( this.element ); + + // There can be multiple instances of controls throughout the page + this.controlsLeft = queryAll( revealElement, '.navigate-left' ); + this.controlsRight = queryAll( revealElement, '.navigate-right' ); + this.controlsUp = queryAll( revealElement, '.navigate-up' ); + this.controlsDown = queryAll( revealElement, '.navigate-down' ); + this.controlsPrev = queryAll( revealElement, '.navigate-prev' ); + this.controlsNext = queryAll( revealElement, '.navigate-next' ); + + // The left, right and down arrows in the standard reveal.js controls + this.controlsRightArrow = this.element.querySelector( '.navigate-right' ); + this.controlsLeftArrow = this.element.querySelector( '.navigate-left' ); + this.controlsDownArrow = this.element.querySelector( '.navigate-down' ); + + } + + /** + * Called when the reveal.js config is updated. + */ + configure( config, oldConfig ) { + + this.element.style.display = config.controls ? 'block' : 'none'; + + this.element.setAttribute( 'data-controls-layout', config.controlsLayout ); + this.element.setAttribute( 'data-controls-back-arrows', config.controlsBackArrows ); + + } + + bind() { + + // Listen to both touch and click events, in case the device + // supports both + let pointerEvents = [ 'touchstart', 'click' ]; + + // Only support touch for Android, fixes double navigations in + // stock browser + if( isAndroid ) { + pointerEvents = [ 'touchstart' ]; + } + + pointerEvents.forEach( eventName => { + this.controlsLeft.forEach( el => el.addEventListener( eventName, this.onNavigateLeftClicked, false ) ); + this.controlsRight.forEach( el => el.addEventListener( eventName, this.onNavigateRightClicked, false ) ); + this.controlsUp.forEach( el => el.addEventListener( eventName, this.onNavigateUpClicked, false ) ); + this.controlsDown.forEach( el => el.addEventListener( eventName, this.onNavigateDownClicked, false ) ); + this.controlsPrev.forEach( el => el.addEventListener( eventName, this.onNavigatePrevClicked, false ) ); + this.controlsNext.forEach( el => el.addEventListener( eventName, this.onNavigateNextClicked, false ) ); + } ); + + } + + unbind() { + + [ 'touchstart', 'click' ].forEach( eventName => { + this.controlsLeft.forEach( el => el.removeEventListener( eventName, this.onNavigateLeftClicked, false ) ); + this.controlsRight.forEach( el => el.removeEventListener( eventName, this.onNavigateRightClicked, false ) ); + this.controlsUp.forEach( el => el.removeEventListener( eventName, this.onNavigateUpClicked, false ) ); + this.controlsDown.forEach( el => el.removeEventListener( eventName, this.onNavigateDownClicked, false ) ); + this.controlsPrev.forEach( el => el.removeEventListener( eventName, this.onNavigatePrevClicked, false ) ); + this.controlsNext.forEach( el => el.removeEventListener( eventName, this.onNavigateNextClicked, false ) ); + } ); + + } + + /** + * Updates the state of all control/navigation arrows. + */ + update() { + + let routes = this.Reveal.availableRoutes(); + + // Remove the 'enabled' class from all directions + [...this.controlsLeft, ...this.controlsRight, ...this.controlsUp, ...this.controlsDown, ...this.controlsPrev, ...this.controlsNext].forEach( node => { + node.classList.remove( 'enabled', 'fragmented' ); + + // Set 'disabled' attribute on all directions + node.setAttribute( 'disabled', 'disabled' ); + } ); + + // Add the 'enabled' class to the available routes; remove 'disabled' attribute to enable buttons + if( routes.left ) this.controlsLeft.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } ); + if( routes.right ) this.controlsRight.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } ); + if( routes.up ) this.controlsUp.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } ); + if( routes.down ) this.controlsDown.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } ); + + // Prev/next buttons + if( routes.left || routes.up ) this.controlsPrev.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } ); + if( routes.right || routes.down ) this.controlsNext.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } ); + + // Highlight fragment directions + let currentSlide = this.Reveal.getCurrentSlide(); + if( currentSlide ) { + + let fragmentsRoutes = this.Reveal.fragments.availableRoutes(); + + // Always apply fragment decorator to prev/next buttons + if( fragmentsRoutes.prev ) this.controlsPrev.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } ); + if( fragmentsRoutes.next ) this.controlsNext.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } ); + + // Apply fragment decorators to directional buttons based on + // what slide axis they are in + if( this.Reveal.isVerticalSlide( currentSlide ) ) { + if( fragmentsRoutes.prev ) this.controlsUp.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } ); + if( fragmentsRoutes.next ) this.controlsDown.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } ); + } + else { + if( fragmentsRoutes.prev ) this.controlsLeft.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } ); + if( fragmentsRoutes.next ) this.controlsRight.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } ); + } + + } + + if( this.Reveal.getConfig().controlsTutorial ) { + + let indices = this.Reveal.getIndices(); + + // Highlight control arrows with an animation to ensure + // that the viewer knows how to navigate + if( !this.Reveal.hasNavigatedVertically() && routes.down ) { + this.controlsDownArrow.classList.add( 'highlight' ); + } + else { + this.controlsDownArrow.classList.remove( 'highlight' ); + + if( this.Reveal.getConfig().rtl ) { + + if( !this.Reveal.hasNavigatedHorizontally() && routes.left && indices.v === 0 ) { + this.controlsLeftArrow.classList.add( 'highlight' ); + } + else { + this.controlsLeftArrow.classList.remove( 'highlight' ); + } + + } else { + + if( !this.Reveal.hasNavigatedHorizontally() && routes.right && indices.v === 0 ) { + this.controlsRightArrow.classList.add( 'highlight' ); + } + else { + this.controlsRightArrow.classList.remove( 'highlight' ); + } + } + } + } + } + + /** + * Event handlers for navigation control buttons. + */ + onNavigateLeftClicked( event ) { + + event.preventDefault(); + this.Reveal.onUserInput(); + + if( this.Reveal.getConfig().navigationMode === 'linear' ) { + this.Reveal.prev(); + } + else { + this.Reveal.left(); + } + + } + + onNavigateRightClicked( event ) { + + event.preventDefault(); + this.Reveal.onUserInput(); + + if( this.Reveal.getConfig().navigationMode === 'linear' ) { + this.Reveal.next(); + } + else { + this.Reveal.right(); + } + + } + + onNavigateUpClicked( event ) { + + event.preventDefault(); + this.Reveal.onUserInput(); + + this.Reveal.up(); + + } + + onNavigateDownClicked( event ) { + + event.preventDefault(); + this.Reveal.onUserInput(); + + this.Reveal.down(); + + } + + onNavigatePrevClicked( event ) { + + event.preventDefault(); + this.Reveal.onUserInput(); + + this.Reveal.prev(); + + } + + onNavigateNextClicked( event ) { + + event.preventDefault(); + this.Reveal.onUserInput(); + + this.Reveal.next(); + + } + + +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/controllers/focus.js b/lectures/scala_lecture_3/js/controllers/focus.js new file mode 100755 index 00000000..21918073 --- /dev/null +++ b/lectures/scala_lecture_3/js/controllers/focus.js @@ -0,0 +1,97 @@ +import { closest } from '../utils/util.js' + +/** + * Manages focus when a presentation is embedded. This + * helps us only capture keyboard from the presentation + * a user is currently interacting with in a page where + * multiple presentations are embedded. + */ + +const STATE_FOCUS = 'focus'; +const STATE_BLUR = 'blur'; + +export default class Focus { + + constructor( Reveal ) { + + this.Reveal = Reveal; + + this.onRevealPointerDown = this.onRevealPointerDown.bind( this ); + this.onDocumentPointerDown = this.onDocumentPointerDown.bind( this ); + + } + + /** + * Called when the reveal.js config is updated. + */ + configure( config, oldConfig ) { + + if( config.embedded ) { + this.blur(); + } + else { + this.focus(); + this.unbind(); + } + + } + + bind() { + + if( this.Reveal.getConfig().embedded ) { + this.Reveal.getRevealElement().addEventListener( 'pointerdown', this.onRevealPointerDown, false ); + } + + } + + unbind() { + + this.Reveal.getRevealElement().removeEventListener( 'pointerdown', this.onRevealPointerDown, false ); + document.removeEventListener( 'pointerdown', this.onDocumentPointerDown, false ); + + } + + focus() { + + if( this.state !== STATE_FOCUS ) { + this.Reveal.getRevealElement().classList.add( 'focused' ); + document.addEventListener( 'pointerdown', this.onDocumentPointerDown, false ); + } + + this.state = STATE_FOCUS; + + } + + blur() { + + if( this.state !== STATE_BLUR ) { + this.Reveal.getRevealElement().classList.remove( 'focused' ); + document.removeEventListener( 'pointerdown', this.onDocumentPointerDown, false ); + } + + this.state = STATE_BLUR; + + } + + isFocused() { + + return this.state === STATE_FOCUS; + + } + + onRevealPointerDown( event ) { + + this.focus(); + + } + + onDocumentPointerDown( event ) { + + let revealElement = closest( event.target, '.reveal' ); + if( !revealElement || revealElement !== this.Reveal.getRevealElement() ) { + this.blur(); + } + + } + +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/controllers/fragments.js b/lectures/scala_lecture_3/js/controllers/fragments.js new file mode 100755 index 00000000..ca83fd62 --- /dev/null +++ b/lectures/scala_lecture_3/js/controllers/fragments.js @@ -0,0 +1,375 @@ +import { extend, queryAll } from '../utils/util.js' + +/** + * Handles sorting and navigation of slide fragments. + * Fragments are elements within a slide that are + * revealed/animated incrementally. + */ +export default class Fragments { + + constructor( Reveal ) { + + this.Reveal = Reveal; + + } + + /** + * Called when the reveal.js config is updated. + */ + configure( config, oldConfig ) { + + if( config.fragments === false ) { + this.disable(); + } + else if( oldConfig.fragments === false ) { + this.enable(); + } + + } + + /** + * If fragments are disabled in the deck, they should all be + * visible rather than stepped through. + */ + disable() { + + queryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => { + element.classList.add( 'visible' ); + element.classList.remove( 'current-fragment' ); + } ); + + } + + /** + * Reverse of #disable(). Only called if fragments have + * previously been disabled. + */ + enable() { + + queryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => { + element.classList.remove( 'visible' ); + element.classList.remove( 'current-fragment' ); + } ); + + } + + /** + * Returns an object describing the available fragment + * directions. + * + * @return {{prev: boolean, next: boolean}} + */ + availableRoutes() { + + let currentSlide = this.Reveal.getCurrentSlide(); + if( currentSlide && this.Reveal.getConfig().fragments ) { + let fragments = currentSlide.querySelectorAll( '.fragment:not(.disabled)' ); + let hiddenFragments = currentSlide.querySelectorAll( '.fragment:not(.disabled):not(.visible)' ); + + return { + prev: fragments.length - hiddenFragments.length > 0, + next: !!hiddenFragments.length + }; + } + else { + return { prev: false, next: false }; + } + + } + + /** + * Return a sorted fragments list, ordered by an increasing + * "data-fragment-index" attribute. + * + * Fragments will be revealed in the order that they are returned by + * this function, so you can use the index attributes to control the + * order of fragment appearance. + * + * To maintain a sensible default fragment order, fragments are presumed + * to be passed in document order. This function adds a "fragment-index" + * attribute to each node if such an attribute is not already present, + * and sets that attribute to an integer value which is the position of + * the fragment within the fragments list. + * + * @param {object[]|*} fragments + * @param {boolean} grouped If true the returned array will contain + * nested arrays for all fragments with the same index + * @return {object[]} sorted Sorted array of fragments + */ + sort( fragments, grouped = false ) { + + fragments = Array.from( fragments ); + + let ordered = [], + unordered = [], + sorted = []; + + // Group ordered and unordered elements + fragments.forEach( fragment => { + if( fragment.hasAttribute( 'data-fragment-index' ) ) { + let index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 ); + + if( !ordered[index] ) { + ordered[index] = []; + } + + ordered[index].push( fragment ); + } + else { + unordered.push( [ fragment ] ); + } + } ); + + // Append fragments without explicit indices in their + // DOM order + ordered = ordered.concat( unordered ); + + // Manually count the index up per group to ensure there + // are no gaps + let index = 0; + + // Push all fragments in their sorted order to an array, + // this flattens the groups + ordered.forEach( group => { + group.forEach( fragment => { + sorted.push( fragment ); + fragment.setAttribute( 'data-fragment-index', index ); + } ); + + index ++; + } ); + + return grouped === true ? ordered : sorted; + + } + + /** + * Sorts and formats all of fragments in the + * presentation. + */ + sortAll() { + + this.Reveal.getHorizontalSlides().forEach( horizontalSlide => { + + let verticalSlides = queryAll( horizontalSlide, 'section' ); + verticalSlides.forEach( ( verticalSlide, y ) => { + + this.sort( verticalSlide.querySelectorAll( '.fragment' ) ); + + }, this ); + + if( verticalSlides.length === 0 ) this.sort( horizontalSlide.querySelectorAll( '.fragment' ) ); + + } ); + + } + + /** + * Refreshes the fragments on the current slide so that they + * have the appropriate classes (.visible + .current-fragment). + * + * @param {number} [index] The index of the current fragment + * @param {array} [fragments] Array containing all fragments + * in the current slide + * + * @return {{shown: array, hidden: array}} + */ + update( index, fragments ) { + + let changedFragments = { + shown: [], + hidden: [] + }; + + let currentSlide = this.Reveal.getCurrentSlide(); + if( currentSlide && this.Reveal.getConfig().fragments ) { + + fragments = fragments || this.sort( currentSlide.querySelectorAll( '.fragment' ) ); + + if( fragments.length ) { + + let maxIndex = 0; + + if( typeof index !== 'number' ) { + let currentFragment = this.sort( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop(); + if( currentFragment ) { + index = parseInt( currentFragment.getAttribute( 'data-fragment-index' ) || 0, 10 ); + } + } + + Array.from( fragments ).forEach( ( el, i ) => { + + if( el.hasAttribute( 'data-fragment-index' ) ) { + i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 ); + } + + maxIndex = Math.max( maxIndex, i ); + + // Visible fragments + if( i <= index ) { + let wasVisible = el.classList.contains( 'visible' ) + el.classList.add( 'visible' ); + el.classList.remove( 'current-fragment' ); + + if( i === index ) { + // Announce the fragments one by one to the Screen Reader + this.Reveal.announceStatus( this.Reveal.getStatusText( el ) ); + + el.classList.add( 'current-fragment' ); + this.Reveal.slideContent.startEmbeddedContent( el ); + } + + if( !wasVisible ) { + changedFragments.shown.push( el ) + this.Reveal.dispatchEvent({ + target: el, + type: 'visible', + bubbles: false + }); + } + } + // Hidden fragments + else { + let wasVisible = el.classList.contains( 'visible' ) + el.classList.remove( 'visible' ); + el.classList.remove( 'current-fragment' ); + + if( wasVisible ) { + changedFragments.hidden.push( el ); + this.Reveal.dispatchEvent({ + target: el, + type: 'hidden', + bubbles: false + }); + } + } + + } ); + + // Write the current fragment index to the slide
. + // This can be used by end users to apply styles based on + // the current fragment index. + index = typeof index === 'number' ? index : -1; + index = Math.max( Math.min( index, maxIndex ), -1 ); + currentSlide.setAttribute( 'data-fragment', index ); + + } + + } + + return changedFragments; + + } + + /** + * Formats the fragments on the given slide so that they have + * valid indices. Call this if fragments are changed in the DOM + * after reveal.js has already initialized. + * + * @param {HTMLElement} slide + * @return {Array} a list of the HTML fragments that were synced + */ + sync( slide = this.Reveal.getCurrentSlide() ) { + + return this.sort( slide.querySelectorAll( '.fragment' ) ); + + } + + /** + * Navigate to the specified slide fragment. + * + * @param {?number} index The index of the fragment that + * should be shown, -1 means all are invisible + * @param {number} offset Integer offset to apply to the + * fragment index + * + * @return {boolean} true if a change was made in any + * fragments visibility as part of this call + */ + goto( index, offset = 0 ) { + + let currentSlide = this.Reveal.getCurrentSlide(); + if( currentSlide && this.Reveal.getConfig().fragments ) { + + let fragments = this.sort( currentSlide.querySelectorAll( '.fragment:not(.disabled)' ) ); + if( fragments.length ) { + + // If no index is specified, find the current + if( typeof index !== 'number' ) { + let lastVisibleFragment = this.sort( currentSlide.querySelectorAll( '.fragment:not(.disabled).visible' ) ).pop(); + + if( lastVisibleFragment ) { + index = parseInt( lastVisibleFragment.getAttribute( 'data-fragment-index' ) || 0, 10 ); + } + else { + index = -1; + } + } + + // Apply the offset if there is one + index += offset; + + let changedFragments = this.update( index, fragments ); + + if( changedFragments.hidden.length ) { + this.Reveal.dispatchEvent({ + type: 'fragmenthidden', + data: { + fragment: changedFragments.hidden[0], + fragments: changedFragments.hidden + } + }); + } + + if( changedFragments.shown.length ) { + this.Reveal.dispatchEvent({ + type: 'fragmentshown', + data: { + fragment: changedFragments.shown[0], + fragments: changedFragments.shown + } + }); + } + + this.Reveal.controls.update(); + this.Reveal.progress.update(); + + if( this.Reveal.getConfig().fragmentInURL ) { + this.Reveal.location.writeURL(); + } + + return !!( changedFragments.shown.length || changedFragments.hidden.length ); + + } + + } + + return false; + + } + + /** + * Navigate to the next slide fragment. + * + * @return {boolean} true if there was a next fragment, + * false otherwise + */ + next() { + + return this.goto( null, 1 ); + + } + + /** + * Navigate to the previous slide fragment. + * + * @return {boolean} true if there was a previous fragment, + * false otherwise + */ + prev() { + + return this.goto( null, -1 ); + + } + +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/controllers/keyboard.js b/lectures/scala_lecture_3/js/controllers/keyboard.js new file mode 100755 index 00000000..70b361f5 --- /dev/null +++ b/lectures/scala_lecture_3/js/controllers/keyboard.js @@ -0,0 +1,388 @@ +import { enterFullscreen } from '../utils/util.js' + +/** + * Handles all reveal.js keyboard interactions. + */ +export default class Keyboard { + + constructor( Reveal ) { + + this.Reveal = Reveal; + + // A key:value map of keyboard keys and descriptions of + // the actions they trigger + this.shortcuts = {}; + + // Holds custom key code mappings + this.bindings = {}; + + this.onDocumentKeyDown = this.onDocumentKeyDown.bind( this ); + this.onDocumentKeyPress = this.onDocumentKeyPress.bind( this ); + + } + + /** + * Called when the reveal.js config is updated. + */ + configure( config, oldConfig ) { + + if( config.navigationMode === 'linear' ) { + this.shortcuts['→ , ↓ , SPACE , N , L , J'] = 'Next slide'; + this.shortcuts['← , ↑ , P , H , K'] = 'Previous slide'; + } + else { + this.shortcuts['N , SPACE'] = 'Next slide'; + this.shortcuts['P'] = 'Previous slide'; + this.shortcuts['← , H'] = 'Navigate left'; + this.shortcuts['→ , L'] = 'Navigate right'; + this.shortcuts['↑ , K'] = 'Navigate up'; + this.shortcuts['↓ , J'] = 'Navigate down'; + } + + this.shortcuts['Home , Shift ←'] = 'First slide'; + this.shortcuts['End , Shift →'] = 'Last slide'; + this.shortcuts['B , .'] = 'Pause'; + this.shortcuts['F'] = 'Fullscreen'; + this.shortcuts['ESC, O'] = 'Slide overview'; + + } + + /** + * Starts listening for keyboard events. + */ + bind() { + + document.addEventListener( 'keydown', this.onDocumentKeyDown, false ); + document.addEventListener( 'keypress', this.onDocumentKeyPress, false ); + + } + + /** + * Stops listening for keyboard events. + */ + unbind() { + + document.removeEventListener( 'keydown', this.onDocumentKeyDown, false ); + document.removeEventListener( 'keypress', this.onDocumentKeyPress, false ); + + } + + /** + * Add a custom key binding with optional description to + * be added to the help screen. + */ + addKeyBinding( binding, callback ) { + + if( typeof binding === 'object' && binding.keyCode ) { + this.bindings[binding.keyCode] = { + callback: callback, + key: binding.key, + description: binding.description + }; + } + else { + this.bindings[binding] = { + callback: callback, + key: null, + description: null + }; + } + + } + + /** + * Removes the specified custom key binding. + */ + removeKeyBinding( keyCode ) { + + delete this.bindings[keyCode]; + + } + + /** + * Programmatically triggers a keyboard event + * + * @param {int} keyCode + */ + triggerKey( keyCode ) { + + this.onDocumentKeyDown( { keyCode } ); + + } + + /** + * Registers a new shortcut to include in the help overlay + * + * @param {String} key + * @param {String} value + */ + registerKeyboardShortcut( key, value ) { + + this.shortcuts[key] = value; + + } + + getShortcuts() { + + return this.shortcuts; + + } + + getBindings() { + + return this.bindings; + + } + + /** + * Handler for the document level 'keypress' event. + * + * @param {object} event + */ + onDocumentKeyPress( event ) { + + // Check if the pressed key is question mark + if( event.shiftKey && event.charCode === 63 ) { + this.Reveal.toggleHelp(); + } + + } + + /** + * Handler for the document level 'keydown' event. + * + * @param {object} event + */ + onDocumentKeyDown( event ) { + + let config = this.Reveal.getConfig(); + + // If there's a condition specified and it returns false, + // ignore this event + if( typeof config.keyboardCondition === 'function' && config.keyboardCondition(event) === false ) { + return true; + } + + // If keyboardCondition is set, only capture keyboard events + // for embedded decks when they are focused + if( config.keyboardCondition === 'focused' && !this.Reveal.isFocused() ) { + return true; + } + + // Shorthand + let keyCode = event.keyCode; + + // Remember if auto-sliding was paused so we can toggle it + let autoSlideWasPaused = !this.Reveal.isAutoSliding(); + + this.Reveal.onUserInput( event ); + + // Is there a focused element that could be using the keyboard? + let activeElementIsCE = document.activeElement && document.activeElement.isContentEditable === true; + let activeElementIsInput = document.activeElement && document.activeElement.tagName && /input|textarea/i.test( document.activeElement.tagName ); + let activeElementIsNotes = document.activeElement && document.activeElement.className && /speaker-notes/i.test( document.activeElement.className); + + // Whitelist specific modified + keycode combinations + let prevSlideShortcut = event.shiftKey && event.keyCode === 32; + let firstSlideShortcut = event.shiftKey && keyCode === 37; + let lastSlideShortcut = event.shiftKey && keyCode === 39; + + // Prevent all other events when a modifier is pressed + let unusedModifier = !prevSlideShortcut && !firstSlideShortcut && !lastSlideShortcut && + ( event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ); + + // Disregard the event if there's a focused element or a + // keyboard modifier key is present + if( activeElementIsCE || activeElementIsInput || activeElementIsNotes || unusedModifier ) return; + + // While paused only allow resume keyboard events; 'b', 'v', '.' + let resumeKeyCodes = [66,86,190,191]; + let key; + + // Custom key bindings for togglePause should be able to resume + if( typeof config.keyboard === 'object' ) { + for( key in config.keyboard ) { + if( config.keyboard[key] === 'togglePause' ) { + resumeKeyCodes.push( parseInt( key, 10 ) ); + } + } + } + + if( this.Reveal.isPaused() && resumeKeyCodes.indexOf( keyCode ) === -1 ) { + return false; + } + + // Use linear navigation if we're configured to OR if + // the presentation is one-dimensional + let useLinearMode = config.navigationMode === 'linear' || !this.Reveal.hasHorizontalSlides() || !this.Reveal.hasVerticalSlides(); + + let triggered = false; + + // 1. User defined key bindings + if( typeof config.keyboard === 'object' ) { + + for( key in config.keyboard ) { + + // Check if this binding matches the pressed key + if( parseInt( key, 10 ) === keyCode ) { + + let value = config.keyboard[ key ]; + + // Callback function + if( typeof value === 'function' ) { + value.apply( null, [ event ] ); + } + // String shortcuts to reveal.js API + else if( typeof value === 'string' && typeof this.Reveal[ value ] === 'function' ) { + this.Reveal[ value ].call(); + } + + triggered = true; + + } + + } + + } + + // 2. Registered custom key bindings + if( triggered === false ) { + + for( key in this.bindings ) { + + // Check if this binding matches the pressed key + if( parseInt( key, 10 ) === keyCode ) { + + let action = this.bindings[ key ].callback; + + // Callback function + if( typeof action === 'function' ) { + action.apply( null, [ event ] ); + } + // String shortcuts to reveal.js API + else if( typeof action === 'string' && typeof this.Reveal[ action ] === 'function' ) { + this.Reveal[ action ].call(); + } + + triggered = true; + } + } + } + + // 3. System defined key bindings + if( triggered === false ) { + + // Assume true and try to prove false + triggered = true; + + // P, PAGE UP + if( keyCode === 80 || keyCode === 33 ) { + this.Reveal.prev(); + } + // N, PAGE DOWN + else if( keyCode === 78 || keyCode === 34 ) { + this.Reveal.next(); + } + // H, LEFT + else if( keyCode === 72 || keyCode === 37 ) { + if( firstSlideShortcut ) { + this.Reveal.slide( 0 ); + } + else if( !this.Reveal.overview.isActive() && useLinearMode ) { + this.Reveal.prev(); + } + else { + this.Reveal.left(); + } + } + // L, RIGHT + else if( keyCode === 76 || keyCode === 39 ) { + if( lastSlideShortcut ) { + this.Reveal.slide( Number.MAX_VALUE ); + } + else if( !this.Reveal.overview.isActive() && useLinearMode ) { + this.Reveal.next(); + } + else { + this.Reveal.right(); + } + } + // K, UP + else if( keyCode === 75 || keyCode === 38 ) { + if( !this.Reveal.overview.isActive() && useLinearMode ) { + this.Reveal.prev(); + } + else { + this.Reveal.up(); + } + } + // J, DOWN + else if( keyCode === 74 || keyCode === 40 ) { + if( !this.Reveal.overview.isActive() && useLinearMode ) { + this.Reveal.next(); + } + else { + this.Reveal.down(); + } + } + // HOME + else if( keyCode === 36 ) { + this.Reveal.slide( 0 ); + } + // END + else if( keyCode === 35 ) { + this.Reveal.slide( Number.MAX_VALUE ); + } + // SPACE + else if( keyCode === 32 ) { + if( this.Reveal.overview.isActive() ) { + this.Reveal.overview.deactivate(); + } + if( event.shiftKey ) { + this.Reveal.prev(); + } + else { + this.Reveal.next(); + } + } + // TWO-SPOT, SEMICOLON, B, V, PERIOD, LOGITECH PRESENTER TOOLS "BLACK SCREEN" BUTTON + else if( keyCode === 58 || keyCode === 59 || keyCode === 66 || keyCode === 86 || keyCode === 190 || keyCode === 191 ) { + this.Reveal.togglePause(); + } + // F + else if( keyCode === 70 ) { + enterFullscreen( config.embedded ? this.Reveal.getViewportElement() : document.documentElement ); + } + // A + else if( keyCode === 65 ) { + if ( config.autoSlideStoppable ) { + this.Reveal.toggleAutoSlide( autoSlideWasPaused ); + } + } + else { + triggered = false; + } + + } + + // If the input resulted in a triggered action we should prevent + // the browsers default behavior + if( triggered ) { + event.preventDefault && event.preventDefault(); + } + // ESC or O key + else if( keyCode === 27 || keyCode === 79 ) { + if( this.Reveal.closeOverlay() === false ) { + this.Reveal.overview.toggle(); + } + + event.preventDefault && event.preventDefault(); + } + + // If auto-sliding is enabled we need to cue up + // another timeout + this.Reveal.cueAutoSlide(); + + } + +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/controllers/location.js b/lectures/scala_lecture_3/js/controllers/location.js new file mode 100755 index 00000000..42fff622 --- /dev/null +++ b/lectures/scala_lecture_3/js/controllers/location.js @@ -0,0 +1,209 @@ +/** + * Reads and writes the URL based on reveal.js' current state. + */ +export default class Location { + + constructor( Reveal ) { + + this.Reveal = Reveal; + + // Delays updates to the URL due to a Chrome thumbnailer bug + this.writeURLTimeout = 0; + + this.onWindowHashChange = this.onWindowHashChange.bind( this ); + + } + + bind() { + + window.addEventListener( 'hashchange', this.onWindowHashChange, false ); + + } + + unbind() { + + window.removeEventListener( 'hashchange', this.onWindowHashChange, false ); + + } + + /** + * Reads the current URL (hash) and navigates accordingly. + */ + readURL() { + + let config = this.Reveal.getConfig(); + let indices = this.Reveal.getIndices(); + let currentSlide = this.Reveal.getCurrentSlide(); + + let hash = window.location.hash; + + // Attempt to parse the hash as either an index or name + let bits = hash.slice( 2 ).split( '/' ), + name = hash.replace( /#\/?/gi, '' ); + + // If the first bit is not fully numeric and there is a name we + // can assume that this is a named link + if( !/^[0-9]*$/.test( bits[0] ) && name.length ) { + let element; + + let f; + + // Parse named links with fragments (#/named-link/2) + if( /\/[-\d]+$/g.test( name ) ) { + f = parseInt( name.split( '/' ).pop(), 10 ); + f = isNaN(f) ? undefined : f; + name = name.split( '/' ).shift(); + } + + // Ensure the named link is a valid HTML ID attribute + try { + element = document.getElementById( decodeURIComponent( name ) ); + } + catch ( error ) { } + + // Ensure that we're not already on a slide with the same name + let isSameNameAsCurrentSlide = currentSlide ? currentSlide.getAttribute( 'id' ) === name : false; + + if( element ) { + // If the slide exists and is not the current slide... + if ( !isSameNameAsCurrentSlide || typeof f !== 'undefined' ) { + // ...find the position of the named slide and navigate to it + let slideIndices = this.Reveal.getIndices( element ); + this.Reveal.slide( slideIndices.h, slideIndices.v, f ); + } + } + // If the slide doesn't exist, navigate to the current slide + else { + this.Reveal.slide( indices.h || 0, indices.v || 0 ); + } + } + else { + let hashIndexBase = config.hashOneBasedIndex ? 1 : 0; + + // Read the index components of the hash + let h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0, + v = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0, + f; + + if( config.fragmentInURL ) { + f = parseInt( bits[2], 10 ); + if( isNaN( f ) ) { + f = undefined; + } + } + + if( h !== indices.h || v !== indices.v || f !== undefined ) { + this.Reveal.slide( h, v, f ); + } + } + + } + + /** + * Updates the page URL (hash) to reflect the current + * state. + * + * @param {number} delay The time in ms to wait before + * writing the hash + */ + writeURL( delay ) { + + let config = this.Reveal.getConfig(); + let currentSlide = this.Reveal.getCurrentSlide(); + + // Make sure there's never more than one timeout running + clearTimeout( this.writeURLTimeout ); + + // If a delay is specified, timeout this call + if( typeof delay === 'number' ) { + this.writeURLTimeout = setTimeout( this.writeURL, delay ); + } + else if( currentSlide ) { + + let hash = this.getHash(); + + // If we're configured to push to history OR the history + // API is not avaialble. + if( config.history ) { + window.location.hash = hash; + } + // If we're configured to reflect the current slide in the + // URL without pushing to history. + else if( config.hash ) { + // If the hash is empty, don't add it to the URL + if( hash === '/' ) { + window.history.replaceState( null, null, window.location.pathname + window.location.search ); + } + else { + window.history.replaceState( null, null, '#' + hash ); + } + } + // UPDATE: The below nuking of all hash changes breaks + // anchors on pages where reveal.js is running. Removed + // in 4.0. Why was it here in the first place? ¯\_(ツ)_/¯ + // + // If history and hash are both disabled, a hash may still + // be added to the URL by clicking on a href with a hash + // target. Counter this by always removing the hash. + // else { + // window.history.replaceState( null, null, window.location.pathname + window.location.search ); + // } + + } + + } + + /** + * Return a hash URL that will resolve to the given slide location. + * + * @param {HTMLElement} [slide=currentSlide] The slide to link to + */ + getHash( slide ) { + + let url = '/'; + + // Attempt to create a named link based on the slide's ID + let s = slide || this.Reveal.getCurrentSlide(); + let id = s ? s.getAttribute( 'id' ) : null; + if( id ) { + id = encodeURIComponent( id ); + } + + let index = this.Reveal.getIndices( slide ); + if( !this.Reveal.getConfig().fragmentInURL ) { + index.f = undefined; + } + + // If the current slide has an ID, use that as a named link, + // but we don't support named links with a fragment index + if( typeof id === 'string' && id.length ) { + url = '/' + id; + + // If there is also a fragment, append that at the end + // of the named link, like: #/named-link/2 + if( index.f >= 0 ) url += '/' + index.f; + } + // Otherwise use the /h/v index + else { + let hashIndexBase = this.Reveal.getConfig().hashOneBasedIndex ? 1 : 0; + if( index.h > 0 || index.v > 0 || index.f >= 0 ) url += index.h + hashIndexBase; + if( index.v > 0 || index.f >= 0 ) url += '/' + (index.v + hashIndexBase ); + if( index.f >= 0 ) url += '/' + index.f; + } + + return url; + + } + + /** + * Handler for the window level 'hashchange' event. + * + * @param {object} [event] + */ + onWindowHashChange( event ) { + + this.readURL(); + + } + +} \ No newline at end of file diff --git a/lectures/scala_lecture_3/js/controllers/notes.js b/lectures/scala_lecture_3/js/controllers/notes.js new file mode 100755 index 00000000..8ec1d42e --- /dev/null +++ b/lectures/scala_lecture_3/js/controllers/notes.js @@ -0,0 +1,114 @@ +/** + * Handles the showing and + */ +export default class Notes { + + constructor( Reveal ) { + + this.Reveal = Reveal; + + } + + render() { + + this.element = document.createElement( 'div' ); + this.element.className = 'speaker-notes'; + this.element.setAttribute( 'data-prevent-swipe', '' ); + this.element.setAttribute( 'tabindex', '0' ); + this.Reveal.getRevealElement().appendChild( this.element ); + + } + + /** + * Called when the reveal.js config is updated. + */ + configure( config, oldConfig ) { + + if( config.showNotes ) { + this.element.setAttribute( 'data-layout', typeof config.showNotes === 'string' ? config.showNotes : 'inline' ); + } + + } + + /** + * Pick up notes from the current slide and display them + * to the viewer. + * + * @see {@link config.showNotes} + */ + update() { + + if( this.Reveal.getConfig().showNotes && this.element && this.Reveal.getCurrentSlide() && !this.Reveal.print.isPrintingPDF() ) { + + this.element.innerHTML = this.getSlideNotes() || 'No notes on this slide.'; + + } + + } + + /** + * Updates the visibility of the speaker notes sidebar that + * is used to share annotated slides. The notes sidebar is + * only visible if showNotes is true and there are notes on + * one or more slides in the deck. + */ + updateVisibility() { + + if( this.Reveal.getConfig().showNotes && this.hasNotes() && !this.Reveal.print.isPrintingPDF() ) { + this.Reveal.getRevealElement().classList.add( 'show-notes' ); + } + else { + this.Reveal.getRevealElement().classList.remove( 'show-notes' ); + } + + } + + /** + * Checks if there are speaker notes for ANY slide in the + * presentation. + */ + hasNotes() { + + return this.Reveal.getSlidesElement().querySelectorAll( '[data-notes], aside.notes' ).length > 0; + + } + + /** + * Checks if this presentation is running inside of the + * speaker notes window. + * + * @return {boolean} + */ + isSpeakerNotesWindow() { + + return !!window.location.search.match( /receiver/gi ); + + } + + /** + * Retrieves the speaker notes from a slide. Notes can be + * defined in two ways: + * 1. As a data-notes attribute on the slide
+ * 2. As an