|
| 1 | +import React, { Component } from 'react'; |
| 2 | +import PropTypes from 'prop-types'; |
| 3 | +import Parallax from './Parallax'; |
| 4 | +import { offsetMin, offsetMax } from '../utils/propValidation'; |
| 5 | + |
| 6 | +const constainerStyle = { |
| 7 | + position: 'relative', |
| 8 | + overflow: 'hidden', |
| 9 | + width: '100%', |
| 10 | + height: '50vh', |
| 11 | +}; |
| 12 | + |
| 13 | +const absolute = { |
| 14 | + position: 'absolute', |
| 15 | + top: 0, |
| 16 | + right: 0, |
| 17 | + bottom: 0, |
| 18 | + left: 0, |
| 19 | +}; |
| 20 | + |
| 21 | +const ParallaxBanner = ({ children, className, layers, style, disabled }) => { |
| 22 | + return ( |
| 23 | + <div |
| 24 | + style={{ ...constainerStyle, ...style }} |
| 25 | + className={'parallax-banner' + (className ? ` ${className}` : '')} |
| 26 | + > |
| 27 | + {layers.map((layer, i) => ( |
| 28 | + <Parallax |
| 29 | + key={`layer-${i}`} |
| 30 | + offsetYMax={layer.amount * 100 + '%'} |
| 31 | + offsetYMin={layer.amount * -1 * 100 + '%'} |
| 32 | + slowerScrollRate={layer.slowerScrollRate} |
| 33 | + styleInner={absolute} |
| 34 | + styleOuter={absolute} |
| 35 | + disabled={disabled} |
| 36 | + > |
| 37 | + <div |
| 38 | + className={`parallax-banner-layer-${i}`} |
| 39 | + style={{ |
| 40 | + backgroundImage: `url(${layer.image})`, |
| 41 | + backgroundPosition: 'center', |
| 42 | + backgroundSize: 'cover', |
| 43 | + ...absolute, |
| 44 | + top: layer.amount * 100 * -1 + '%', |
| 45 | + bottom: layer.amount * 100 * -1 + '%', |
| 46 | + }} |
| 47 | + /> |
| 48 | + </Parallax> |
| 49 | + ))} |
| 50 | + {children} |
| 51 | + </div> |
| 52 | + ); |
| 53 | +}; |
| 54 | + |
| 55 | +ParallaxBanner.defaultProps = { |
| 56 | + disabled: false, |
| 57 | +}; |
| 58 | + |
| 59 | +ParallaxBanner.propTypes = { |
| 60 | + className: PropTypes.string, |
| 61 | + children: PropTypes.node, |
| 62 | + disabled: PropTypes.bool.isRequired, |
| 63 | + layers: PropTypes.arrayOf( |
| 64 | + PropTypes.shape({ |
| 65 | + amount: PropTypes.number.isRequired, |
| 66 | + image: PropTypes.string.isRequired, |
| 67 | + slowerScrollRate: PropTypes.bool, |
| 68 | + }) |
| 69 | + ), |
| 70 | + style: PropTypes.object, |
| 71 | +}; |
| 72 | + |
| 73 | +export default ParallaxBanner; |
0 commit comments