diff options
Diffstat (limited to 'apps/web/src/lib/selection/hooks/use-box-select.ts')
| -rw-r--r-- | apps/web/src/lib/selection/hooks/use-box-select.ts | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/apps/web/src/lib/selection/hooks/use-box-select.ts b/apps/web/src/lib/selection/hooks/use-box-select.ts deleted file mode 100644 index ab8464ec..00000000 --- a/apps/web/src/lib/selection/hooks/use-box-select.ts +++ /dev/null @@ -1,170 +0,0 @@ -"use client";
-
-import { useCallback, useEffect, useRef, useState } from "react";
-import type {
- BoxSelectionSnapshot,
- ResolveIntersections,
-} from "@/lib/selection/types";
-
-interface SelectionBoxState<TId> extends BoxSelectionSnapshot<TId> {
- startPos: { x: number; y: number };
- currentPos: { x: number; y: number };
- isActive: boolean;
- isAdditive: boolean;
-}
-
-export function useBoxSelect<TId>({
- containerRef,
- resolveIntersections,
- selectedIds,
- anchorId,
- onSelectionChange,
- shouldStartSelection,
- getIsAdditiveSelection,
- isEnabled = true,
-}: {
- containerRef: React.RefObject<HTMLElement | null>;
- resolveIntersections: ResolveIntersections<TId>;
- selectedIds: TId[];
- anchorId: TId | null;
- onSelectionChange: (state: {
- intersectedIds: TId[];
- initialSelectedIds: TId[];
- initialAnchorId: TId | null;
- isAdditive: boolean;
- }) => void;
- shouldStartSelection?: (event: React.MouseEvent<Element>) => boolean;
- getIsAdditiveSelection?: (event: React.MouseEvent<Element>) => boolean;
- isEnabled?: boolean;
-}) {
- const [selectionBox, setSelectionBox] = useState<SelectionBoxState<TId> | null>(
- null,
- );
- const justFinishedSelectingRef = useRef(false);
- const shouldStartSelectionCheck = shouldStartSelection ?? (() => true);
- const getIsAdditiveSelectionCheck =
- getIsAdditiveSelection ??
- ((event: React.MouseEvent<Element>) => event.ctrlKey || event.metaKey);
-
- const handleMouseDown = useCallback(
- (event: React.MouseEvent<Element>) => {
- const canStartSelection = shouldStartSelectionCheck(event);
- if (!isEnabled || event.button !== 0 || !canStartSelection) {
- return;
- }
-
- setSelectionBox({
- startPos: { x: event.clientX, y: event.clientY },
- currentPos: { x: event.clientX, y: event.clientY },
- isActive: false,
- isAdditive: getIsAdditiveSelectionCheck(event),
- initialSelectedIds: selectedIds,
- initialAnchorId: anchorId,
- });
- },
- [
- anchorId,
- getIsAdditiveSelectionCheck,
- isEnabled,
- selectedIds,
- shouldStartSelectionCheck,
- ],
- );
-
- const updateSelection = useCallback(
- ({
- startPos,
- currentPos,
- isAdditive,
- initialSelectedIds,
- initialAnchorId,
- }: SelectionBoxState<TId>) => {
- const intersectedIds = resolveIntersections({
- startPos,
- currentPos,
- });
- onSelectionChange({
- intersectedIds,
- initialSelectedIds,
- initialAnchorId,
- isAdditive,
- });
- },
- [onSelectionChange, resolveIntersections],
- );
-
- useEffect(() => {
- if (!selectionBox) {
- return;
- }
-
- const handleMouseMove = ({ clientX, clientY }: MouseEvent) => {
- const deltaX = Math.abs(clientX - selectionBox.startPos.x);
- const deltaY = Math.abs(clientY - selectionBox.startPos.y);
- const nextSelectionBox = {
- ...selectionBox,
- currentPos: { x: clientX, y: clientY },
- isActive: deltaX > 5 || deltaY > 5 || selectionBox.isActive,
- };
-
- setSelectionBox(nextSelectionBox);
-
- if (!nextSelectionBox.isActive) {
- return;
- }
-
- updateSelection(nextSelectionBox);
- };
-
- const handleMouseUp = () => {
- if (selectionBox.isActive) {
- justFinishedSelectingRef.current = true;
- requestAnimationFrame(() => {
- justFinishedSelectingRef.current = false;
- });
- }
-
- setSelectionBox(null);
- };
-
- window.addEventListener("mousemove", handleMouseMove);
- window.addEventListener("mouseup", handleMouseUp);
-
- return () => {
- window.removeEventListener("mousemove", handleMouseMove);
- window.removeEventListener("mouseup", handleMouseUp);
- };
- }, [selectionBox, updateSelection]);
-
- useEffect(() => {
- if (!selectionBox) {
- return;
- }
-
- const previousBodyUserSelect = document.body.style.userSelect;
- const previousContainerUserSelect = containerRef.current?.style.userSelect ?? "";
-
- document.body.style.userSelect = "none";
- if (containerRef.current) {
- containerRef.current.style.userSelect = "none";
- }
-
- return () => {
- document.body.style.userSelect = previousBodyUserSelect;
- if (containerRef.current) {
- containerRef.current.style.userSelect = previousContainerUserSelect;
- }
- };
- }, [containerRef, selectionBox]);
-
- const shouldIgnoreClick = useCallback(() => {
- return justFinishedSelectingRef.current;
- }, []);
-
- return {
- selectionBox,
- handleMouseDown,
- isSelecting: selectionBox?.isActive ?? false,
- shouldIgnoreClick,
- };
-}
|