Cities Slider with ReactJs
Cities Slider with ReactJs
Venkat Nagaram
Cities Slider with ReactJs
Html
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<div id="app"></div> <a href="https://dribbble.com/shots/3774469-T-R-A-V-E-L-E-R" target="_blank" class="icon-link"> <img src="http://icons.iconarchive.com/icons/uiconstock/socialmedia/256/Dribbble-icon.png"> </a> <a href="https://twitter.com/NikolayTalanov" target="_blank" class="icon-link icon-link--twitter"> <img src="https://cdn1.iconfinder.com/data/icons/logotypes/32/twitter-128.png"> </a> |
Css
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*, *:before, *:after { box-sizing: border-box; margin: 0; padding: 0; } body { font-family: 'Roboto', Helvetica, Arial, sans-serif; background: #000; } $numOfParts: 4; $animTime: 1s; $stagger: 0.08s; $sliderReadyTrans: all $animTime/2 $animTime; $maxLettersStagger: 6; $letterStagger: 0.1s; .slider { overflow: hidden; position: relative; height: 100vh; color: #fff; @mixin sliderReady { .slider.s--ready & { @content; } } &__top-heading { z-index: $numOfParts*3; position: absolute; left: 0; top: 100px; width: 100%; text-align: center; font-size: 16px; text-transform: uppercase; letter-spacing: 2.5px; transition: $sliderReadyTrans; transform: translateY(-30px); opacity: 0; @include sliderReady { transform: translateY(0); opacity: 1; } } &__slides { position: relative; height: 100%; } &__slide { position: absolute; left: 0; top: 0; width: 100%; height: 100%; pointer-events: none; &.s--active { pointer-events: auto; } @mixin slidePrev { .slider__slide.s--prev & { @content; } } @mixin slideActive { .slider__slide.s--active & { @content; } } &-content { z-index: $numOfParts + 2;; position: relative; display: flex; justify-content: center; align-items: center; flex-direction: column; height: 100%; text-transform: uppercase; line-height: 1; } @mixin subTextsActiveSlide { opacity: 0; transition: $animTime/2; @include slideActive { transition-delay: $animTime*0.65; opacity: 1; transform: translateY(0); } } &-subheading { margin-bottom: 20px; font-size: 24px; letter-spacing: 2px; transform: translateY(20px); @include subTextsActiveSlide; } &-heading { $fontSize: 60px; display: flex; margin-bottom: 20px; font-size: $fontSize; letter-spacing: 12px; span { display: block; opacity: 0; transform: translateY($fontSize*-1); transition: all $animTime/3; @include slidePrev { transform: translateY($fontSize) } @include slideActive { opacity: 1; transform: translateY(0); } @for $i from 1 through $maxLettersStagger { &:nth-child(#{$i}) { $delay: $letterStagger * ($i - 1); transition-delay: $delay; @include slideActive { transition-delay: $delay + $animTime/3; } } } &:nth-child(n+#{$maxLettersStagger + 1}) { $delay: $letterStagger * $maxLettersStagger; transition-delay: $delay; @include slideActive { transition-delay: $delay + $animTime/3; } } } } &-readmore { position: relative; font-size: 14px; text-transform: lowercase; backface-visibility: hidden; transform: translateY(-20px); cursor: pointer; @include subTextsActiveSlide; &:before { content: ''; position: absolute; left: -2px; top: -3px; width: calc(100% + 4px); height: calc(100% + 6px); background: rgba(255,255,255,0.4); transform: scaleX(0.3); transform-origin: 0 50%; transition: transform 0.3s; } &:hover:before { transform: scaleX(1); } } &-parts { position: absolute; left: 0; top: 0; display: flex; width: 100%; height: 100%; &:after { content: ''; z-index: $numOfParts + 1; position: absolute; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.1); } } &-part { $partW: (100vw / $numOfParts); position: relative; width: percentage(1 / $numOfParts); height: 100%; $partRef: &; $imageFadeAT: $animTime/4; &-inner { overflow: hidden; position: relative; width: 100%; height: 100%; background-size: 0 0; background-repeat: no-repeat; transition: transform $animTime/2 ease-in-out; &:before { content: ''; position: absolute; width: 100vw; height: 100%; background-image: inherit; background-size: cover; background-position: center center; transition: opacity $imageFadeAT; opacity: 0; } @for $i from 1 through $numOfParts { #{$partRef}:nth-child(#{$i}) & { $delayOut: ($numOfParts - $i) * $stagger; $delayIn: $i * $stagger + $animTime/5; z-index: $numOfParts - $i; transition-delay: $delayOut; transform: translateX(percentage($i / $numOfParts * -1.3)); @include slideActive { transition-delay: $delayIn; } &:before { left: $partW * ($i - 1) * -1; transition-delay: $delayOut + $imageFadeAT/2; @include slideActive { transition-delay: $delayIn; } } } } @include slideActive { transform: translateX(0); transition-timing-function: ease; &:before { opacity: 1; } } } } } &__control { $size: 50px; z-index: 100; position: absolute; left: 50px; top: 50%; width: $size; height: $size; margin-top: $size/-2; border-radius: 50%; background: rgba(255,255,255,0.4); transform: translateX($size*-1); opacity: 0; transition: $sliderReadyTrans; cursor: pointer; &:before { content: ''; position: absolute; left: 50%; top: 50%; width: 20px; height: 20px; margin-left: -10px; margin-top: -10px; border: 2px solid #000; border-bottom: none; border-right: none; transform: translateX(5px) rotate(-45deg); } &--right { left: auto; right: 50px; transform: translateX($size); &:before { transform: translateX(-5px) rotate(135deg); } } @include sliderReady { transform: translateX(0); opacity: 1; } } } .icon-link { z-index: 100; position: absolute; left: 5px; bottom: 5px; width: 32px; img { width: 100%; vertical-align: top; } &--twitter { left: auto; right: 5px; } } |
Js
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class CitiesSlider extends React.Component { constructor(props) { super(props); this.IMAGE_PARTS = 4; this.changeTO = null; this.AUTOCHANGE_TIME = 4000; this.state = { activeSlide: -1, prevSlide: -1, sliderReady: false }; } componentWillUnmount() { window.clearTimeout(this.changeTO); } componentDidMount() { this.runAutochangeTO(); setTimeout(() => { this.setState({ activeSlide: 0, sliderReady: true }); }, 0); } runAutochangeTO() { this.changeTO = setTimeout(() => { this.changeSlides(1); this.runAutochangeTO(); }, this.AUTOCHANGE_TIME); } changeSlides(change) { window.clearTimeout(this.changeTO); const { length } = this.props.slides; const prevSlide = this.state.activeSlide; let activeSlide = prevSlide + change; if (activeSlide < 0) activeSlide = length - 1; if (activeSlide >= length) activeSlide = 0; this.setState({ activeSlide, prevSlide }); } render() { const { activeSlide, prevSlide, sliderReady } = this.state; return ( <div className={classNames('slider', { 's--ready': sliderReady })}> <p className="slider__top-heading">Travelers</p> <div className="slider__slides"> {this.props.slides.map((slide, index) => ( <div className={classNames('slider__slide', { 's--active': activeSlide === index, 's--prev': prevSlide === index })} key={slide.city} > <div className="slider__slide-content"> <h3 className="slider__slide-subheading">{slide.country || slide.city}</h3> <h2 className="slider__slide-heading"> {slide.city.split('').map(l => <span>{l}</span>)} </h2> <p className="slider__slide-readmore">read more</p> </div> <div className="slider__slide-parts"> {[...Array(this.IMAGE_PARTS).fill()].map((x, i) => ( <div className="slider__slide-part" key={i}> <div className="slider__slide-part-inner" style={{ backgroundImage: `url(${slide.img})` }} /> </div> ))} </div> </div> ))} </div> <div className="slider__control" onClick={() => this.changeSlides(-1)} /> <div className="slider__control slider__control--right" onClick={() => this.changeSlides(1)} /> </div> ); } } const slides = [ { city: 'Paris', country: 'France', img: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/142996/paris.jpg', }, { city: 'Singapore', img: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/142996/singapore.jpg', }, { city: 'Prague', country: 'Czech Republic', img: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/142996/prague.jpg', }, { city: 'Amsterdam', country: 'Netherlands', img: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/142996/amsterdam.jpg', }, { city: 'Moscow', country: 'Russia', img: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/142996/moscow.jpg', }, ]; ReactDOM.render(<CitiesSlider slides={slides} />, document.querySelector('#app')); |
Source: https://codepen.io/suez/pen/OjGQza
