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