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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,177 @@ | ||
| // src/components/create/file-tree.tsx | ||
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| import { Fragment, useCallback, useState } from "react"; | ||
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| import { Checkbox } from "@/components/ui/checkbox"; | ||
| import { Minus } from "lucide-react"; | ||
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| export enum CheckboxState { | ||
| UNCHECKED, | ||
| CHECKED, | ||
| INDETERMINATE, | ||
| } | ||
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| export type ItemState = { | ||
| id: number; | ||
| state: CheckboxState; | ||
| }; | ||
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| export type Item = { | ||
| id: number; | ||
| name: string; | ||
| parentId: number; | ||
| }; | ||
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| type CheckboxListProps = { | ||
| items: Item[]; | ||
| idsToRender?: number[]; | ||
| indentLevel?: number; | ||
| onClick?: (id: number) => void; | ||
| getStateForId: (id: number) => CheckboxState; | ||
| }; | ||
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| export const updateItemStates = ( | ||
| oldState: ItemState[], | ||
| items: Item[], | ||
| clickedId: number, | ||
| ) => { | ||
| const newState = oldState.map((i) => ({ ...i })); | ||
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| const getItemState = (id: number) => { | ||
| return newState.find((i) => i.id === id)!.state; | ||
| }; | ||
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| const updateParent = (id: number) => { | ||
| const item = items.find((i) => i.id === id); | ||
| const parent = items.find((i) => i.id === item!.parentId); | ||
| if (!parent) return; | ||
| const childIds = items | ||
| .filter((i) => i.parentId === parent.id) | ||
| .map((i) => i.id); | ||
| const childStates = childIds.map((childId) => getItemState(childId)); | ||
| if (childStates.every((state) => state === CheckboxState.CHECKED)) { | ||
| newState.find((i) => i.id === parent.id)!.state = CheckboxState.CHECKED; | ||
| } else if ( | ||
| childStates.every((state) => state === CheckboxState.UNCHECKED) | ||
| ) { | ||
| newState.find((i) => i.id === parent.id)!.state = CheckboxState.UNCHECKED; | ||
| } else { | ||
| newState.find((i) => i.id === parent.id)!.state = | ||
| CheckboxState.INDETERMINATE; | ||
| } | ||
| updateParent(parent.id); | ||
| }; | ||
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| const setUnchecked = (id: number) => { | ||
| newState.find((i) => i.id === id)!.state = CheckboxState.UNCHECKED; | ||
| items | ||
| .filter((i) => i.parentId === id) | ||
| .forEach((child) => setUnchecked(child.id)); | ||
| updateParent(id); | ||
| }; | ||
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| const setChecked = (id: number) => { | ||
| newState.find((i) => i.id === id)!.state = CheckboxState.CHECKED; | ||
| items | ||
| .filter((i) => i.parentId === id) | ||
| .forEach((child) => setChecked(child.id)); | ||
| updateParent(id); | ||
| }; | ||
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| const itemState = getItemState(clickedId); | ||
| if (itemState === CheckboxState.CHECKED) { | ||
| setUnchecked(clickedId); | ||
| } else { | ||
| setChecked(clickedId); | ||
| } | ||
| return newState; | ||
| }; | ||
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| function CheckboxList({ | ||
| items, | ||
| getStateForId, | ||
| idsToRender = [], | ||
| indentLevel = 0, | ||
| onClick = () => {}, | ||
| }: CheckboxListProps) { | ||
| if (!idsToRender.length) { | ||
| idsToRender = items.filter((i) => !i.parentId).map((i) => i.id); | ||
| } | ||
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| const getChildNodes = (parentId: number) => { | ||
| const nodeItems = items.filter((i) => i.parentId === parentId); | ||
| if (!nodeItems.length) return null; | ||
| return ( | ||
| <CheckboxList | ||
| items={items} | ||
| idsToRender={nodeItems.map((i) => i.id)} | ||
| indentLevel={indentLevel + 1} | ||
| onClick={onClick} | ||
| getStateForId={getStateForId} | ||
| key={parentId} // Ensuring unique key for each parent | ||
| /> | ||
| ); | ||
| }; | ||
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| return ( | ||
| <ul style={{ paddingLeft: indentLevel * 20 }}> | ||
| {idsToRender.map((id) => { | ||
| const item = items.find((i) => i.id === id); | ||
| const checkboxState = getStateForId(id); | ||
| const isIndeterminate = checkboxState === CheckboxState.INDETERMINATE; | ||
| const isChecked = checkboxState === CheckboxState.CHECKED; | ||
| return ( | ||
| <Fragment key={item!.id}> | ||
| <li className="flex items-center gap-2 py-1"> | ||
| {isIndeterminate ? ( | ||
| <div className="w-fit rounded bg-black p-[1px]"> | ||
| <Minus className="h-[14px] w-[14px] text-white" /> | ||
| </div> | ||
| ) : ( | ||
| <Checkbox | ||
| id={String(item!.id)} | ||
| onClick={() => onClick(item!.id)} | ||
| checked={isChecked} | ||
| /> | ||
| )} | ||
| <label | ||
| htmlFor={String(item!.id)} | ||
| className="hover:cursor-pointer" | ||
| > | ||
| {item!.name} | ||
| </label> | ||
| </li> | ||
| {getChildNodes(item!.id)} | ||
| </Fragment> | ||
| ); | ||
| })} | ||
| </ul> | ||
| ); | ||
| } | ||
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| function Tree({ | ||
| data, | ||
| getStateForId, | ||
| onClick, | ||
| }: { | ||
| data: Item[]; | ||
| getStateForId: (id: number) => CheckboxState; | ||
| onClick: (id: number) => void; | ||
| }) { | ||
| const defaultItemStates: ItemState[] = data.map((i) => ({ | ||
| id: i.id, | ||
| state: CheckboxState.UNCHECKED, | ||
| })); | ||
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| const [itemStates, setItemStates] = useState<ItemState[]>(defaultItemStates); | ||
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| return ( | ||
| <CheckboxList | ||
| items={data} | ||
| onClick={onClick} | ||
| getStateForId={getStateForId} | ||
| /> | ||
| ); | ||
| } | ||
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| export { Tree, CheckboxList }; |
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