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62 lines
2 KiB
TypeScript
62 lines
2 KiB
TypeScript
// gomuks - A Matrix client written in Go.
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// Copyright (C) 2024 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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import React, { JSX, createContext, useCallback, useReducer } from "react"
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export interface ModalState {
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content: JSX.Element
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dimmed?: boolean
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wrapperClass?: string
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onClose?: () => void
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}
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type openModal = (state: ModalState) => void
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export const ModalContext = createContext<openModal>(() =>
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console.error("Tried to open modal without being inside context"))
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export const ModalCloseContext = createContext<() => void>(() => {})
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export const ModalWrapper = ({ children }: { children: React.ReactNode }) => {
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const [state, setState] = useReducer((prevState: ModalState | null, newState: ModalState | null) => {
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prevState?.onClose?.()
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return newState
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}, null)
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const onClickWrapper = useCallback((evt?: React.MouseEvent) => {
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if (evt && evt.target !== evt.currentTarget) {
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return
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}
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setState(null)
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}, [])
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const onKeyWrapper = useCallback((evt: React.KeyboardEvent<HTMLDivElement>) => {
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if (evt.key === "Escape") {
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setState(null)
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}
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}, [])
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return <>
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<ModalContext value={setState}>
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{children}
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{state && <div
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className={`overlay ${state.wrapperClass ?? "modal"} ${state.dimmed ? "dimmed" : ""}`}
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onClick={onClickWrapper}
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onKeyDown={onKeyWrapper}
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>
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<ModalCloseContext value={onClickWrapper}>
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{state.content}
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</ModalCloseContext>
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</div>}
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</ModalContext>
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</>
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}
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