ReactJs Slider with Hover Effect
ReactJs Slider with Hover Effect
Venkat Nagaram
ReactJs Slider with Hover Effect
Html
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1 |
#app |
Css
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@import url('https://fonts.googleapis.com/css?family=Playfair+Display:700|IBM+Plex+Sans:500&display=swap'); :root { --color-primary: #6B7A8F; --color-secondary: #101118; --color-accent: #1D1F2F; --color-focus: #6D64F7; --base-duration: 600ms; --base-ease: cubic-bezier(0.25, 0.46, 0.45, 0.84); } // ========================= // Global // ========================= *, *:before, *:after { box-sizing: border-box; } html, body { height: 100%; } body { font-family: 'IBM Plex Sans', sans-serif; background-color: var(--color-secondary); } #app { align-items: center; display: flex; height: 100%; justify-content: center; overflow-x: hidden; width: 100%; } h1, h2, h3 { font-family: 'Playfair Display', serif; } .visuallyhidden { clip: rect(1px, 1px, 1px, 1px); height: 1px; overflow: hidden; position: absolute !important; white-space: nowrap; width: 1px; } // ========================= // Icons // ========================= .icon { fill: var(--color-primary); width: 100%; } // ========================= // Buttons // ========================= .btn { background-color: var(--color-primary); border: none; border-radius: 0.125rem; color: white; cursor: pointer; font-family: inherit; font-size: inherit; padding: 1rem 2.5rem 1.125rem; &:focus { outline-color: var(--color-focus); outline-offset: 2px; outline-style: solid; outline-width: 3px; } &:active { transform: translateY(1px); } } // ========================= // Slider controls // ========================= .slider__controls { display: flex; justify-content: center; position: absolute; top: calc(100% + 1rem); width: 100%; .btn { --size: 3rem; align-items: center; background-color: transparent; border: 3px solid transparent; border-radius: 100%; display: flex; height: var(--size); padding: 0; width: var(--size); &:focus { border-color: var(--color-focus); outline: none; } &--previous > * { transform: rotate(180deg); } } } // ========================= // Slider // ========================= .slider { --slide-size: 70vmin; --slide-margin: 4vmin; height: var(--slide-size); margin: 0 auto; position: relative; width: var(--slide-size); } .slider__wrapper { display: flex; margin: 0 calc(var(--slide-margin) * -1); position: absolute; transition: transform var(--base-duration) cubic-bezier(0.25, 1, 0.35, 1); } // ========================= // Slide // ========================= .slide { align-items: center; color: white; display: flex; flex: 1; flex-direction: column; height: var(--slide-size); justify-content: center; margin: 0 var(--slide-margin); opacity: 0.25; position: relative; text-align: center; transition: opacity calc(var(--base-duration) / 2) var(--base-ease), transform calc(var(--base-duration) / 2) var(--base-ease); width: var(--slide-size); z-index: 1; &--previous, &--next { &:hover { opacity: 0.5; } } &--previous { cursor: w-resize; &:hover { transform: translateX(2%); } } &--next { cursor: e-resize; &:hover { transform: translateX(-2%); } } } .slide--current { --x: 0; --y: 0; --d: 50; opacity: 1; pointer-events: auto; user-select: auto; @media (hover: hover) { &:hover .slide__image-wrapper { transform: scale(1.025) translate( calc(var(--x) / var(--d) * 1px), calc(var(--y) / var(--d) * 1px) ); } } } .slide__image-wrapper { background-color: var(--color-accent); border-radius: 1%; height: 100%; left: 0%; overflow: hidden; position: absolute; top: 0%; transition: transform calc(var(--base-duration) / 4) var(--base-ease); width: 100%; } .slide__image { --d: 20; height: 110%; left: -5%; object-fit: cover; opacity: 0; pointer-events: none; position: absolute; top: -5%; transition: opacity var(--base-duration) var(--base-ease), transform var(--base-duration) var(--base-ease); user-select: none; width: 110%; @media (hover: hover) { .slide--current & { transform: translate( calc(var(--x) / var(--d) * 1px), calc(var(--y) / var(--d) * 1px) ); } } } .slide__headline { font-size: 8vmin; font-weight: 600; position: relative; } .slide__content { --d: 60; opacity: 0; padding: 4vmin; position: relative; transition: transform var(--base-duration) var(--base-ease); visibility: hidden; .slide--current & { animation: fade-in calc(var(--base-duration) / 2) var(--base-ease) forwards; visibility: visible; @media (hover: hover) { transform: translate( calc(var(--x) / var(--d) * -1px), calc(var(--y) / var(--d) * -1px) ); } } > * + * { margin-top: 2rem; } } // ========================= // Animations // ========================= @keyframes fade-in { from { opacity: 0 } to { opacity: 1 } } |
Js
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const slideData = [ { index: 0, headline: 'New Fashion Apparel', button: 'Shop now', src: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/225363/fashion.jpg' }, { index: 1, headline: 'In The Wilderness', button: 'Book travel', src: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/225363/forest.jpg' }, { index: 2, headline: 'For Your Current Mood', button: 'Listen', src: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/225363/guitar.jpg' }, { index: 3, headline: 'Focus On The Writing', button: 'Get Focused', src: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/225363/typewriter.jpg' } ] // ========================= // Slide // ========================= class Slide extends React.Component { constructor(props) { super(props) this.handleMouseMove = this.handleMouseMove.bind(this) this.handleMouseLeave = this.handleMouseLeave.bind(this) this.handleSlideClick = this.handleSlideClick.bind(this) this.imageLoaded = this.imageLoaded.bind(this) this.slide = React.createRef() } handleMouseMove(event) { const el = this.slide.current const r = el.getBoundingClientRect() el.style.setProperty('--x', event.clientX - (r.left + Math.floor(r.width / 2))) el.style.setProperty('--y', event.clientY - (r.top + Math.floor(r.height / 2))) } handleMouseLeave(event) { this.slide.current.style.setProperty('--x', 0) this.slide.current.style.setProperty('--y', 0) } handleSlideClick(event) { this.props.handleSlideClick(this.props.slide.index) } imageLoaded(event) { event.target.style.opacity = 1 } render() { const { src, button, headline, index } = this.props.slide const current = this.props.current let classNames = 'slide' if (current === index) classNames += ' slide--current' else if (current - 1 === index) classNames += ' slide--previous' else if (current + 1 === index) classNames += ' slide--next' return ( <li ref={this.slide} className={classNames} onClick={this.handleSlideClick} onMouseMove={this.handleMouseMove} onMouseLeave={this.handleMouseLeave} > <div className="slide__image-wrapper"> <img className="slide__image" alt={headline} src={src} onLoad={this.imageLoaded} /> </div> <article className="slide__content"> <h2 className="slide__headline">{headline}</h2> <button className="slide__action btn">{button}</button> </article> </li> ) } } // ========================= // Slider control // ========================= const SliderControl = ({ type, title, handleClick }) => { return ( <button className={`btn btn--${type}`} title={title} onClick={handleClick}> <svg className="icon" viewBox="0 0 24 24"> <path d="M8.59,16.58L13.17,12L8.59,7.41L10,6L16,12L10,18L8.59,16.58Z" /> </svg> </button> ) } // ========================= // Slider // ========================= class Slider extends React.Component { constructor(props) { super(props) this.state = { current: 0 } this.handlePreviousClick = this.handlePreviousClick.bind(this) this.handleNextClick = this.handleNextClick.bind(this) this.handleSlideClick = this.handleSlideClick.bind(this) } handlePreviousClick() { const previous = this.state.current - 1 this.setState({ current: (previous < 0) ? this.props.slides.length - 1 : previous }) } handleNextClick() { const next = this.state.current + 1; this.setState({ current: (next === this.props.slides.length) ? 0 : next }) } handleSlideClick(index) { if (this.state.current !== index) { this.setState({ current: index }) } } render() { const { current, direction } = this.state const { slides, heading } = this.props const headingId = `slider-heading__${heading.replace(/\s+/g, '-').toLowerCase()}` const wrapperTransform = { 'transform': `translateX(-${current * (100 / slides.length)}%)` } return ( <div className='slider' aria-labelledby={headingId}> <ul className="slider__wrapper" style={wrapperTransform}> <h3 id={headingId} class="visuallyhidden">{heading}</h3> {slides.map(slide => { return ( <Slide key={slide.index} slide={slide} current={current} handleSlideClick={this.handleSlideClick} /> ) })} </ul> <div className="slider__controls"> <SliderControl type="previous" title="Go to previous slide" handleClick={this.handlePreviousClick} /> <SliderControl type="next" title="Go to next slide" handleClick={this.handleNextClick} /> </div> </div> ) } } ReactDOM.render(<Slider heading="Example Slider" slides={slideData} />, document.getElementById('app')); |
Source: https://codepen.io/hexagoncircle/pen/jgGxKR
