Files
Lieux-wow/src/components/preview-component/preview-component.tsx
T
2020-07-10 23:54:27 +03:00

56 lines
1.4 KiB
TypeScript

import * as React from 'react'
import { useEffect, useMemo, useState } from 'react'
import { Plug } from '../../assets'
import './preview-component.scss'
interface Props {
isLoading: boolean
src: string
value: number
handleChange: (value: number) => void
}
export const PreviewComponent = ({src, value, handleChange, isLoading}: Props) => {
const [isLoaded, setLoaded] = useState(false)
const image = useMemo(() => {
setLoaded(false)
const img = new Image()
img.src = src
return img
}, [src])
useEffect(() => {
image.onload = () => {
setLoaded(true)
}
return () => {
image.onload = null
}
}, [image])
const handleClick = (e: React.MouseEvent) => {
e.preventDefault()
handleChange(value)
}
return (
<div
onContextMenu={handleClick}
onClick={handleClick}
style={{
backgroundImage: `url(${isLoaded ? image.src : Plug})`
}}
className={
`preview ${!isLoaded
? 'preview--not-loaded' :
''} ${isLoading
? 'preview--loading'
: ''}`
}
/>
)
}
PreviewComponent.displayName = 'PreviewComponent'