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feat(app-file-manager): add support for shift-selecting files (#3675)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,6 @@ | ||
| export * from "./useConfirmationDialog"; | ||
| export * from "./useDialog"; | ||
| export * from "./useSnackbar"; | ||
| export * from "./useKeyHandler"; | ||
| export * from "./useShiftKey"; | ||
| export * from "./useModKey"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| import React, { SyntheticEvent } from "react"; | ||
| import isHotkey from "is-hotkey"; | ||
| import { generateId } from "@webiny/utils"; | ||
|
|
||
| interface KeyHandler { | ||
| id: string; | ||
| handler: any; | ||
| } | ||
| const keyStack: Record<string, KeyHandler[]> = {}; | ||
|
|
||
| let listener = false; | ||
| const filter = ["TEXTAREA", "INPUT"]; | ||
|
|
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| const isContentEditable = (value: any) => { | ||
| return ["true", true].includes(value); | ||
| }; | ||
|
|
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| const setupListener = (): void => { | ||
| if (listener || !document.body) { | ||
| return; | ||
| } | ||
|
|
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| const eventListener = (ev: KeyboardEvent) => { | ||
| if (!ev.target) { | ||
| return; | ||
| } | ||
| const target = ev.target as HTMLElement; | ||
| // We ignore all keyboard events coming from within contentEditable element and inputs. | ||
| if (filter.includes(target.nodeName) || isContentEditable(target.contentEditable)) { | ||
| return; | ||
| } | ||
|
|
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| const matchedKey = Object.keys(keyStack).find(key => isHotkey(key, ev)); | ||
|
|
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| if (matchedKey && keyStack[matchedKey].length > 0) { | ||
| const item = keyStack[matchedKey][0]; | ||
| item.handler(ev); | ||
| ev.stopPropagation(); | ||
| } | ||
| }; | ||
|
|
||
| document.body.addEventListener("keydown", eventListener); | ||
|
|
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| listener = true; | ||
| }; | ||
|
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| const addKeyHandler = ( | ||
| id: string, | ||
| key: string, | ||
| handler: (e: SyntheticEvent<HTMLElement>) => void | ||
| ) => { | ||
| setupListener(); | ||
| keyStack[key] = keyStack[key] || []; | ||
| if (!keyStack[key].find(item => item.id === id)) { | ||
| keyStack[key].unshift({ id, handler }); | ||
| } | ||
| }; | ||
|
|
||
| const removeKeyHandler = (id: string, key: string): void => { | ||
| if (!keyStack[key]) { | ||
| return; | ||
| } | ||
|
|
||
| const index = keyStack[key].findIndex(item => item.id === id); | ||
| if (index >= 0) { | ||
| keyStack[key].splice(index, 1); | ||
| } | ||
| }; | ||
|
|
||
| type AddKeyHandlerType = (key: string, handler: (e: SyntheticEvent<HTMLElement>) => void) => void; | ||
|
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| type RemoveKeyHandlerType = (key: string) => void; | ||
|
|
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| export function useKeyHandler(): { | ||
| addKeyHandler: AddKeyHandlerType; | ||
| removeKeyHandler: RemoveKeyHandlerType; | ||
| } { | ||
| const [id] = React.useState(generateId()); | ||
|
|
||
| return React.useMemo( | ||
| () => ({ | ||
| addKeyHandler(key, handler) { | ||
| addKeyHandler(id, key, handler); | ||
| }, | ||
| removeKeyHandler(key) { | ||
| removeKeyHandler(id, key); | ||
| } | ||
| }), | ||
| [] | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| import { useState, useEffect, useCallback } from "react"; | ||
| import isHotkey from "is-hotkey"; | ||
|
|
||
| export function useModKey() { | ||
| const [pressed, setPressed] = useState(false); | ||
|
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||
| const onKeyDown = useCallback((event: KeyboardEvent) => { | ||
| if (isHotkey("Control", event) || isHotkey("Meta", event)) { | ||
| setPressed(true); | ||
| } | ||
| }, []); | ||
|
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| const onKeyUp = useCallback((event: KeyboardEvent) => { | ||
| if (event.key === "Control" && event.ctrlKey === false) { | ||
| setPressed(false); | ||
| } | ||
|
|
||
| if (event.key === "Meta" && event.metaKey === false) { | ||
| setPressed(false); | ||
| } | ||
| }, []); | ||
|
|
||
| useEffect(() => { | ||
| document.addEventListener("keydown", onKeyDown); | ||
| document.addEventListener("keyup", onKeyUp); | ||
|
|
||
| return () => { | ||
| document.removeEventListener("keydown", onKeyDown); | ||
| document.removeEventListener("keyup", onKeyUp); | ||
| }; | ||
| }, []); | ||
|
|
||
| console.log("pressed", pressed); | ||
|
|
||
| return pressed; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| import { useState, useEffect, useCallback, useRef } from "react"; | ||
| import isHotkey from "is-hotkey"; | ||
|
|
||
| export function useShiftKey() { | ||
| const [pressed, setPressed] = useState(false); | ||
| const onselectstartRef = useRef(document.onselectstart); | ||
|
|
||
| const onKeyDown = useCallback((event: KeyboardEvent) => { | ||
| if (isHotkey("shift", event)) { | ||
| setPressed(true); | ||
| } | ||
| }, []); | ||
|
|
||
| const onKeyUp = useCallback((event: KeyboardEvent) => { | ||
| if (event.key === "Shift" && event.shiftKey === false) { | ||
| setPressed(false); | ||
| } | ||
| }, []); | ||
|
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| useEffect(() => { | ||
| // @ts-ignore | ||
| document.onselectstart = () => !pressed; | ||
|
|
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| return () => { | ||
| document.onselectstart = onselectstartRef.current; | ||
| }; | ||
| }, [pressed]); | ||
|
|
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| useEffect(() => { | ||
| document.addEventListener("keydown", onKeyDown); | ||
| document.addEventListener("keyup", onKeyUp); | ||
|
|
||
| return () => { | ||
| document.removeEventListener("keydown", onKeyDown); | ||
| document.removeEventListener("keyup", onKeyUp); | ||
| }; | ||
| }, []); | ||
|
|
||
| return pressed; | ||
| } |
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