Files
standardnotes-app-web/app/assets/javascripts/Components/Files/ImagePreview.tsx
2022-04-25 19:51:39 +05:30

72 lines
2.2 KiB
TypeScript

import { IconType } from '@standardnotes/snjs'
import { FunctionComponent } from 'preact'
import { useRef, useState } from 'preact/hooks'
import { IconButton } from '../Button/IconButton'
type Props = {
objectUrl: string
}
export const ImagePreview: FunctionComponent<Props> = ({ objectUrl }) => {
const initialImgHeightRef = useRef<number>()
const [imageZoomPercent, setImageZoomPercent] = useState(100)
return (
<div className="flex items-center justify-center w-full h-full">
<div className="flex items-center justify-center w-full h-full relative overflow-auto">
<img
src={objectUrl}
style={{
height: `${imageZoomPercent}%`,
...(imageZoomPercent <= 100
? {
'min-width': '100%',
'object-fit': 'contain',
}
: {
position: 'absolute',
inset: 0,
margin: 'auto',
}),
}}
ref={(imgElement) => {
if (!initialImgHeightRef.current) {
initialImgHeightRef.current = imgElement?.height
}
}}
/>
</div>
<div className="flex items-center absolute left-1/2 -translate-x-1/2 bottom-6 py-1 px-3 bg-default border-1 border-solid border-main rounded">
<span className="mr-1.5">Zoom:</span>
<IconButton
className="hover:bg-contrast p-1 rounded"
icon={'subtract' as IconType}
title="Zoom Out"
focusable={true}
onClick={() => {
setImageZoomPercent((percent) => {
const newPercent = percent - 10
if (newPercent >= 10) {
return newPercent
} else {
return percent
}
})
}}
/>
<span className="mx-2">{imageZoomPercent}%</span>
<IconButton
className="hover:bg-contrast p-1 rounded"
icon="add"
title="Zoom In"
focusable={true}
onClick={() => {
setImageZoomPercent((percent) => percent + 10)
}}
/>
</div>
</div>
)
}