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feat: add single type image to gallery component
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119 changes: 119 additions & 0 deletions
119
packages/gallery/src/components/image-viewer/single-image-viewer.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| import React, { | ||
| FC, | ||
| MouseEventHandler, | ||
| SyntheticEvent, | ||
| useCallback, | ||
| useContext, | ||
| useEffect, | ||
| useRef, | ||
| } from 'react'; | ||
| import cn from 'classnames'; | ||
| import elementClosest from 'element-closest'; | ||
|
|
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| import { GalleryContext } from '../../context'; | ||
| import { getImageAlt, isVideo } from '../../utils'; | ||
|
|
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| import { Slide } from './slide'; | ||
|
|
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| import styles from './index.module.css'; | ||
|
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| export const SingleImageViewer: FC = () => { | ||
| const { | ||
| fullScreen, | ||
| currentSlideIndex, | ||
| onClose, | ||
| setImageMeta, | ||
| getCurrentImage, | ||
| getCurrentImageMeta, | ||
| view, | ||
| } = useContext(GalleryContext); | ||
|
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| const isMobile = view === 'mobile'; | ||
|
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| const leftArrowRef = useRef<HTMLDivElement>(null); | ||
| const rightArrowRef = useRef<HTMLDivElement>(null); | ||
| const wrapperRef = useRef<HTMLDivElement>(null); | ||
|
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| useEffect(() => { | ||
| elementClosest(window); | ||
| }, []); | ||
|
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| const handleLoad = (event: SyntheticEvent<HTMLImageElement>, index: number) => { | ||
| const target = event.currentTarget; | ||
|
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| const { naturalWidth, naturalHeight } = target; | ||
|
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| setImageMeta({ width: naturalWidth, height: naturalHeight }, index); | ||
| }; | ||
|
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| const handleLoadError = (index: number) => { | ||
| setImageMeta({ width: 0, height: 0, broken: true }, index); | ||
| }; | ||
|
|
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| const handleWrapperClick = useCallback<MouseEventHandler>( | ||
| (event) => { | ||
| const eventTarget = event.target as HTMLElement; | ||
|
|
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| const isArrow = | ||
| leftArrowRef.current?.contains(eventTarget) || | ||
| rightArrowRef.current?.contains(eventTarget); | ||
|
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| const isPlaceholder = Boolean(eventTarget.closest(`.${styles.placeholder}`)); | ||
|
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| const isImg = eventTarget.tagName === 'IMG'; | ||
|
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| if (!isImg && !isPlaceholder && !isArrow && !isMobile) { | ||
| onClose(); | ||
| } | ||
| }, | ||
| [isMobile, onClose], | ||
| ); | ||
|
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| const currentImage = getCurrentImage(); | ||
| const currentImageMeta = getCurrentImageMeta(); | ||
|
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| if (!currentImage) return null; | ||
|
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| const imageWidth = currentImageMeta?.width || 1; | ||
| const imageHeight = currentImageMeta?.height || 1; | ||
|
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| const imageAspectRatio = imageWidth / imageHeight; | ||
|
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| const wrapperRect = wrapperRef.current?.getBoundingClientRect(); | ||
|
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| const wrapperAspectRatio = (wrapperRect?.width || 1) / (wrapperRect?.height || 1); | ||
|
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| return ( | ||
| /* eslint-disable-next-line jsx-a11y/click-events-have-key-events, jsx-a11y/no-static-element-interactions */ | ||
| <div className={styles.component} onClick={handleWrapperClick}> | ||
| {fullScreen && !isVideo(currentImage?.src) ? ( | ||
| <img | ||
| src={currentImage?.src} | ||
| alt={currentImage ? getImageAlt(currentImage, currentSlideIndex) : ''} | ||
| className={styles.fullScreenImage} | ||
| /> | ||
| ) : ( | ||
| <div | ||
| className={cn(styles.singleSlideContainer, { | ||
| [styles.mobile]: isMobile, | ||
| [styles.mobileVideo]: isMobile && isVideo(currentImage?.src), | ||
| })} | ||
| ref={wrapperRef} | ||
| > | ||
| <Slide | ||
| isActive={true} | ||
| containerAspectRatio={wrapperAspectRatio} | ||
| image={currentImage} | ||
| containerHeight={wrapperRect?.height || 0} | ||
| meta={currentImageMeta} | ||
| index={0} | ||
| imageAspectRatio={imageAspectRatio} | ||
| slideVisible={true} | ||
| handleLoad={handleLoad} | ||
| handleLoadError={handleLoadError} | ||
| /> | ||
| </div> | ||
| )} | ||
| </div> | ||
| ); | ||
| }; |
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