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feat(contributions): ajout du support des infographies dans les contr…
…ibutions
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44 changes: 44 additions & 0 deletions
44
packages/code-du-travail-frontend/src/modules/common/ImageWrapper.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| import React, { useState } from "react"; | ||
| import Lightbox from "react-image-lightbox"; | ||
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| import { css } from "@styled-system/css"; | ||
| import useScrollBlock from "../utils/useScrollBlock"; | ||
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| type Props = { | ||
| altText: string; | ||
| src: string; | ||
| }; | ||
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| const InfographicWrapper = ({ altText, src }: Props): JSX.Element => { | ||
| const [isOpen, setIsOpen] = useState(false); | ||
| const [blockScroll, allowScroll] = useScrollBlock(); | ||
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| const onOpen = () => { | ||
| setIsOpen(true); | ||
| blockScroll(); | ||
| }; | ||
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| const onClose = () => { | ||
| setIsOpen(false); | ||
| allowScroll(); | ||
| }; | ||
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| return ( | ||
| <> | ||
| <img | ||
| src={src} | ||
| alt={altText} | ||
| onClick={onOpen} | ||
| aria-hidden="true" | ||
| className={`${ImageZoom}`} | ||
| /> | ||
| {isOpen && <Lightbox mainSrc={src} onCloseRequest={onClose} />} | ||
| </> | ||
| ); | ||
| }; | ||
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| const ImageZoom = css({ | ||
| cursor: "zoom-in", | ||
| }); | ||
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| export default InfographicWrapper; |
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54 changes: 54 additions & 0 deletions
54
packages/code-du-travail-frontend/src/modules/utils/useScrollBlock.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| import { useRef } from "react"; | ||
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| const safeDocument: any = typeof document !== "undefined" ? document : {}; | ||
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| /** | ||
| * Usage: | ||
| * const [blockScroll, allowScroll] = useScrollBlock(); | ||
| */ | ||
| const useScrollBlock = (): [() => void, () => void] => { | ||
| const scrollBlocked = useRef(false); | ||
| const html = safeDocument.documentElement; | ||
| const { body } = safeDocument; | ||
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| const blockScroll = (): void => { | ||
| if (!body || !body.style || scrollBlocked.current) return; | ||
| if (document == undefined) return; | ||
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| const scrollBarWidth = window.innerWidth - html.clientWidth; | ||
| const bodyPaddingRight = | ||
| parseInt( | ||
| window.getComputedStyle(body).getPropertyValue("padding-right") | ||
| ) || 0; | ||
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| /** | ||
| * 1. Fixes a bug in iOS and desktop Safari whereby setting | ||
| * `overflow: hidden` on the html/body does not prevent scrolling. | ||
| * 2. Fixes a bug in desktop Safari where `overflowY` does not prevent | ||
| * scroll if an `overflow-x` style is also applied to the body. | ||
| */ | ||
| html.style.position = "relative"; /* [1] */ | ||
| html.style.overflow = "hidden"; /* [2] */ | ||
| body.style.position = "relative"; /* [1] */ | ||
| body.style.overflow = "hidden"; /* [2] */ | ||
| body.style.paddingRight = `${bodyPaddingRight + scrollBarWidth}px`; | ||
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| scrollBlocked.current = true; | ||
| }; | ||
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| const allowScroll = (): void => { | ||
| if (!body || !body.style || !scrollBlocked.current) return; | ||
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| html.style.position = ""; | ||
| html.style.overflow = ""; | ||
| body.style.position = ""; | ||
| body.style.overflow = ""; | ||
| body.style.paddingRight = ""; | ||
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| scrollBlocked.current = false; | ||
| }; | ||
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| return [blockScroll, allowScroll]; | ||
| }; | ||
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| export default useScrollBlock; |