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Amelia Wattenberger
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| import React, { useEffect, useRef } from 'react'; | ||
| import { areEqual } from 'react-window'; | ||
| import tw from 'twin.macro'; | ||
|
|
||
| interface EditableCellProps { | ||
| type: string; | ||
| value: any; | ||
| isEditable: boolean; | ||
| onChange?: (value: any) => void; | ||
| isFocused: boolean; | ||
| onFocusChange?: (value: [number, number] | null) => void; | ||
| children: any; | ||
| } | ||
| export const EditableCell = React.memo(function (props: EditableCellProps) { | ||
| const { | ||
| // type, | ||
| value, | ||
| isEditable, | ||
| onChange, | ||
| isFocused, | ||
| onFocusChange, | ||
| children, | ||
| } = props; | ||
|
|
||
| const [isEditing, setIsEditing] = React.useState(false); | ||
| const [editedValue, setEditedValue] = React.useState(value); | ||
| const cellElement = useRef<HTMLDivElement>(null); | ||
|
|
||
| useEffect(() => { | ||
| setEditedValue(value); | ||
| }, [value]); | ||
|
|
||
| const onSubmit = () => { | ||
| onFocusChange?.([1, 0]); | ||
| if (onChange) onChange(editedValue); | ||
| } | ||
|
|
||
| useEffect(() => { | ||
| if (!isFocused) { | ||
| setIsEditing(false); | ||
| setEditedValue(value); | ||
| return | ||
| } | ||
|
|
||
| const onKeyDown = (e: KeyboardEvent) => { | ||
| let diff = cellDiffs[e.key] | ||
| if (diff) { | ||
| if (e.metaKey) { | ||
| // scroll to top/bottom | ||
| diff = diff.map(d => d ? Infinity * d : d) as [number, number] | ||
| } | ||
| onFocusChange?.(diff) | ||
| e.stopPropagation() | ||
| e.preventDefault() | ||
| } else if (e.key === 'Enter') { | ||
| setIsEditing(true); | ||
| } else if (e.key === 'Escape') { | ||
| onFocusChange?.(null) | ||
| } | ||
| } | ||
| window.addEventListener('keydown', onKeyDown); | ||
| return () => { | ||
| window.removeEventListener('keydown', onKeyDown); | ||
| } | ||
| }, [isFocused]) | ||
|
|
||
| if (!isEditable) return children | ||
|
|
||
| return ( | ||
| <div | ||
| ref={cellElement} | ||
| css={[ | ||
| tw`w-full h-full flex items-center cursor-cell border-[3px] border-transparent`, | ||
| isFocused && tw`border-indigo-500`, | ||
| ]} | ||
| onClick={() => onFocusChange?.([0, 0])} | ||
| onDoubleClick={() => setIsEditing(true)} | ||
| > | ||
| {isEditing ? ( | ||
| <input | ||
| type="text" | ||
| autoFocus | ||
| onFocus={e => { | ||
| e.target.select(); | ||
| }} | ||
| css={[ | ||
| tw`w-full h-full py-2 px-4 font-mono text-sm focus:outline-none bg-transparent`, | ||
| ]} | ||
| value={editedValue} | ||
| onChange={e => setEditedValue(e.target.value)} | ||
| onKeyDown={e => { | ||
| if (e.key === 'Enter') { | ||
| onSubmit() | ||
| } else if (e.key === 'Escape') { | ||
| onFocusChange?.(null) | ||
| } | ||
| if (cellDiffs[e.key]) { | ||
| e.stopPropagation() | ||
| } | ||
| }} | ||
| onBlur={onSubmit} | ||
| /> | ||
| ) : ( | ||
| children | ||
| )} | ||
| </div> | ||
| ); | ||
| }, areEqual); | ||
|
|
||
| const cellDiffs = { | ||
| "ArrowUp": [-1, 0], | ||
| "ArrowDown": [1, 0], | ||
| "ArrowLeft": [0, -1], | ||
| "ArrowRight": [0, 1], | ||
| } as Record<string, [number, number]> |
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