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* Add sprite info hook * Remove axios dependency * Add preview scrubber * Add scrubber timestamp * On click go to timestamp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| import React, { useMemo } from "react"; | ||
| import { useDebounce } from "src/hooks/debounce"; | ||
| import { useSpriteInfo } from "src/hooks/sprite"; | ||
| import TextUtils from "src/utils/text"; | ||
|
|
||
| interface IHoverScrubber { | ||
| totalSprites: number; | ||
| activeIndex: number | undefined; | ||
| setActiveIndex: (index: number | undefined) => void; | ||
| onClick?: (index: number) => void; | ||
| } | ||
|
|
||
| const HoverScrubber: React.FC<IHoverScrubber> = ({ | ||
| totalSprites, | ||
| activeIndex, | ||
| setActiveIndex, | ||
| onClick, | ||
| }) => { | ||
| function getActiveIndex(e: React.MouseEvent<HTMLDivElement, MouseEvent>) { | ||
| const { width } = e.currentTarget.getBoundingClientRect(); | ||
| const x = e.nativeEvent.offsetX; | ||
|
|
||
| return Math.floor((x / width) * totalSprites); | ||
| } | ||
|
|
||
| function onMouseMove(e: React.MouseEvent<HTMLDivElement, MouseEvent>) { | ||
| const relatedTarget = e.currentTarget; | ||
|
|
||
| if (relatedTarget !== e.target) return; | ||
|
|
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| setActiveIndex(getActiveIndex(e)); | ||
| } | ||
|
|
||
| function onMouseLeave() { | ||
| setActiveIndex(undefined); | ||
| } | ||
|
|
||
| function onScrubberClick(e: React.MouseEvent<HTMLDivElement, MouseEvent>) { | ||
| if (!onClick) return; | ||
|
|
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| const relatedTarget = e.currentTarget; | ||
|
|
||
| if (relatedTarget !== e.target) return; | ||
|
|
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| e.preventDefault(); | ||
| onClick(getActiveIndex(e)); | ||
| } | ||
|
|
||
| const indicatorStyle = useMemo(() => { | ||
| if (activeIndex === undefined) return {}; | ||
|
|
||
| const width = (activeIndex / totalSprites) * 100; | ||
|
|
||
| return { | ||
| width: `${width}%`, | ||
| }; | ||
| }, [activeIndex, totalSprites]); | ||
|
|
||
| return ( | ||
| <div className="hover-scrubber"> | ||
| <div | ||
| className="hover-scrubber-area" | ||
| onMouseMove={onMouseMove} | ||
| onMouseLeave={onMouseLeave} | ||
| onClick={onScrubberClick} | ||
| /> | ||
| <div className="hover-scrubber-indicator"> | ||
| {activeIndex !== undefined && ( | ||
| <div | ||
| className="hover-scrubber-indicator-marker" | ||
| style={indicatorStyle} | ||
| ></div> | ||
| )} | ||
| </div> | ||
| </div> | ||
| ); | ||
| }; | ||
|
|
||
| interface IScenePreviewProps { | ||
| vttPath: string | undefined; | ||
| onClick?: (timestamp: number) => void; | ||
| } | ||
|
|
||
| function scaleToFit(dimensions: { w: number; h: number }, bounds: DOMRect) { | ||
| const rw = bounds.width / dimensions.w; | ||
| const rh = bounds.height / dimensions.h; | ||
|
|
||
| // for consistency, use max by default and min for portrait | ||
| if (dimensions.w > dimensions.h) { | ||
| return Math.max(rw, rh); | ||
| } | ||
|
|
||
| return Math.min(rw, rh); | ||
| } | ||
|
|
||
| export const PreviewScrubber: React.FC<IScenePreviewProps> = ({ | ||
| vttPath, | ||
| onClick, | ||
| }) => { | ||
| const imageParentRef = React.useRef<HTMLDivElement>(null); | ||
|
|
||
| const [activeIndex, setActiveIndex] = React.useState<number | undefined>(); | ||
|
|
||
| const debounceSetActiveIndex = useDebounce( | ||
| setActiveIndex, | ||
| [setActiveIndex], | ||
| 10 | ||
| ); | ||
|
|
||
| const spriteInfo = useSpriteInfo(vttPath); | ||
|
|
||
| const style = useMemo(() => { | ||
| if (!spriteInfo || activeIndex === undefined || !imageParentRef.current) { | ||
| return {}; | ||
| } | ||
|
|
||
| const sprite = spriteInfo[activeIndex]; | ||
|
|
||
| const clientRect = imageParentRef.current?.getBoundingClientRect(); | ||
| const scale = clientRect ? scaleToFit(sprite, clientRect) : 1; | ||
|
|
||
| return { | ||
| backgroundPosition: `${-sprite.x}px ${-sprite.y}px`, | ||
| backgroundImage: `url(${sprite.url})`, | ||
| width: `${sprite.w}px`, | ||
| height: `${sprite.h}px`, | ||
| transform: `scale(${scale})`, | ||
| }; | ||
| }, [spriteInfo, activeIndex, imageParentRef]); | ||
|
|
||
| const currentTime = useMemo(() => { | ||
| if (!spriteInfo || activeIndex === undefined) { | ||
| return undefined; | ||
| } | ||
|
|
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| const sprite = spriteInfo[activeIndex]; | ||
|
|
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| const start = TextUtils.secondsToTimestamp(sprite.start); | ||
|
|
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| return start; | ||
| }, [activeIndex, spriteInfo]); | ||
|
|
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| function onScrubberClick(index: number) { | ||
| if (!spriteInfo || !onClick) { | ||
| return; | ||
| } | ||
|
|
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| const sprite = spriteInfo[index]; | ||
|
|
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| onClick(sprite.start); | ||
| } | ||
|
|
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| if (!spriteInfo) return null; | ||
|
|
||
| return ( | ||
| <div className="preview-scrubber"> | ||
| {activeIndex !== undefined && spriteInfo && ( | ||
| <div className="scene-card-preview-image" ref={imageParentRef}> | ||
| <div className="scrubber-image" style={style}></div> | ||
| {currentTime !== undefined && ( | ||
| <div className="scrubber-timestamp">{currentTime}</div> | ||
| )} | ||
| </div> | ||
| )} | ||
| <HoverScrubber | ||
| totalSprites={81} | ||
| activeIndex={activeIndex} | ||
| setActiveIndex={(i) => debounceSetActiveIndex(i)} | ||
| onClick={onScrubberClick} | ||
| /> | ||
| </div> | ||
| ); | ||
| }; |
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