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Merge pull request #653 from NBISweden/dev/confirmation-dialogue
Confirmation Dialog
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| import React, { | ||
| createContext, | ||
| useState, | ||
| useRef, | ||
| useCallback, | ||
| useContext, | ||
| } from "react"; | ||
| import { ModalDialog } from "./ModalDialog"; | ||
|
|
||
| const ConfirmDialog = createContext(null); | ||
|
|
||
| export const ConfirmDialogProvider = ({ children }) => { | ||
| const [state, setState] = useState<{}>({ isOpen: false }); | ||
| const handlerFunction = useRef<(choice: boolean) => void>(); | ||
|
|
||
| const confirm = useCallback( | ||
| (forwarded) => { | ||
| return new Promise((resolve) => { | ||
| setState({ ...forwarded, isOpen: true }); | ||
| handlerFunction.current = (choice: boolean) => { | ||
| resolve(choice); | ||
| setState({ isOpen: false }); | ||
| }; | ||
| }); | ||
| }, | ||
| [setState] | ||
| ); | ||
|
|
||
| return ( | ||
| <ConfirmDialog.Provider value={confirm}> | ||
| {children} | ||
| <ModalDialog | ||
| {...state} | ||
| onCancel={() => handlerFunction.current(false)} | ||
| onConfirm={() => handlerFunction.current(true)} | ||
| /> | ||
| </ConfirmDialog.Provider> | ||
| ); | ||
| }; | ||
|
|
||
| export const useConfirm = () => { | ||
| return useContext(ConfirmDialog); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import React, { useEffect, useRef } from "react"; | ||
| import { useEscaper } from "../utils"; | ||
|
|
||
| /* | ||
| The modal component can be filled with a simple string using the content prop. | ||
| In that case, the component should be rendered without children. | ||
| To fill it with more complex JSX, it can be rendered with children. | ||
| If children are present, the content prop will be ignored. | ||
| */ | ||
|
|
||
| export const ModalDialog = ({ | ||
| isOpen, | ||
| title, | ||
| content, | ||
| confirmButtonLabel, | ||
| onCancel, | ||
| onConfirm, | ||
| children, | ||
| }: { | ||
| isOpen: boolean; | ||
| title: string; | ||
| content?: string; | ||
| confirmButtonLabel: string; | ||
| onCancel: () => void; | ||
| onConfirm: () => void; | ||
| children: JSX.Element; | ||
| }) => { | ||
| // Autofocus on cancel button when opening dialog | ||
| const cancelButton = useRef(null); | ||
| useEffect(() => { | ||
| cancelButton.current.focus(); | ||
| }); | ||
|
|
||
| // Close the dialog when pressing escape | ||
| const modal = useRef(null); | ||
| useEscaper(modal, () => onCancel()); | ||
|
|
||
| return ( | ||
| <section | ||
| className="modal-overlay" | ||
| style={{ display: `${isOpen ? "block" : "none"}` }} | ||
| ref={modal} | ||
| > | ||
| <div | ||
| className="modal-wrapper" | ||
| role="alertdialog" | ||
| aria-modal={true} | ||
| aria-labelledby="modalTitle" | ||
| aria-describedby="modalContent" | ||
| > | ||
| <section className="modal-title-wrapper"> | ||
| <h2 id="modalTitle">{title}</h2> | ||
| </section> | ||
| <section className="modal-content-wrapper"> | ||
| {!children && <p id="modalContent">{content}</p>} | ||
| {children} | ||
| </section> | ||
| <section className="modal-buttons-wrapper"> | ||
| <button | ||
| ref={cancelButton} | ||
| onClick={onCancel} | ||
| className="basic-button modal-cancel-button" | ||
| > | ||
| Cancel | ||
| </button> | ||
| <button | ||
| onClick={onConfirm} | ||
| className="basic-button modal-confirm-button" | ||
| > | ||
| {confirmButtonLabel} | ||
| </button> | ||
| </section> | ||
| </div> | ||
| </section> | ||
| ); | ||
| }; |
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