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| author | Maze Winther <mazewinther@gmail.com> | 2026-03-27 00:55:15 +0100 |
|---|---|---|
| committer | Maze Winther <mazewinther@gmail.com> | 2026-03-29 15:56:48 +0200 |
| commit | 4d127a038bf768eded68aae3cfa5c1b12241bdac (patch) | |
| tree | 16bbb801caf6770546cff4fdb37b6408ec9ead98 /legacy/use-assets-selection-box.ts | |
| parent | 82817cb50cb0487350573d6129130aec705f924b (diff) | |
| download | opencut-4d127a038bf768eded68aae3cfa5c1b12241bdac.tar.gz | |
chore: normalize line endings
Diffstat (limited to 'legacy/use-assets-selection-box.ts')
| -rw-r--r-- | legacy/use-assets-selection-box.ts | 396 |
1 files changed, 198 insertions, 198 deletions
diff --git a/legacy/use-assets-selection-box.ts b/legacy/use-assets-selection-box.ts index cb8ae2ed..e0cf88c8 100644 --- a/legacy/use-assets-selection-box.ts +++ b/legacy/use-assets-selection-box.ts @@ -1,198 +1,198 @@ -import { useCallback, useEffect, useRef, useState } from "react"; - -interface SelectionBoxState { - startPos: { x: number; y: number }; - currentPos: { x: number; y: number }; - isActive: boolean; - isAdditive: boolean; - initialSelectedIds: string[]; - initialAnchorId: string | null; -} - -function isIntersecting({ - selectionRect, - itemRect, -}: { - selectionRect: DOMRect; - itemRect: DOMRect; -}) { - return !( - itemRect.right < selectionRect.left || - itemRect.left > selectionRect.right || - itemRect.bottom < selectionRect.top || - itemRect.top > selectionRect.bottom - ); -} - -function createSelectionRect({ - startPos, - currentPos, -}: { - startPos: { x: number; y: number }; - currentPos: { x: number; y: number }; -}) { - return new DOMRect( - Math.min(startPos.x, currentPos.x), - Math.min(startPos.y, currentPos.y), - Math.abs(currentPos.x - startPos.x), - Math.abs(currentPos.y - startPos.y), - ); -} - -export function useAssetsSelectionBox({ - containerRef, - getSelectableElements, - selectedIds, - selectionAnchorId, - onSelectionChange, -}: { - containerRef: React.RefObject<HTMLElement | null>; - getSelectableElements: () => Map<string, HTMLElement>; - selectedIds: string[]; - selectionAnchorId: string | null; - onSelectionChange: ({ - intersectedIds, - initialSelectedIds, - initialAnchorId, - isAdditive, - }: { - intersectedIds: string[]; - initialSelectedIds: string[]; - initialAnchorId: string | null; - isAdditive: boolean; - }) => void; -}) { - const [selectionBox, setSelectionBox] = useState<SelectionBoxState | null>( - null, - ); - const justFinishedSelectingRef = useRef(false); - const isAssetItemTarget = useCallback((target: EventTarget | null) => { - return target instanceof Element && target.closest("[data-asset-item='true']"); - }, []); - - const handleMouseDown = useCallback( - (event: React.MouseEvent<HTMLElement>) => { - if (event.button !== 0) { - return; - } - - if (isAssetItemTarget(event.target)) { - return; - } - - setSelectionBox({ - startPos: { x: event.clientX, y: event.clientY }, - currentPos: { x: event.clientX, y: event.clientY }, - isActive: false, - isAdditive: event.ctrlKey || event.metaKey, - initialSelectedIds: selectedIds, - initialAnchorId: selectionAnchorId, - }); - }, - [isAssetItemTarget, selectedIds, selectionAnchorId], - ); - - const updateSelection = useCallback( - ({ - startPos, - currentPos, - isAdditive, - initialSelectedIds, - initialAnchorId, - }: SelectionBoxState) => { - const selectionRect = createSelectionRect({ startPos, currentPos }); - const intersectedIds = [...getSelectableElements().entries()] - .filter(([, element]) => - isIntersecting({ - selectionRect, - itemRect: element.getBoundingClientRect(), - }), - ) - .map(([id]) => id); - - onSelectionChange({ - intersectedIds, - initialSelectedIds, - initialAnchorId, - isAdditive, - }); - }, - [getSelectableElements, onSelectionChange], - ); - - 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 shouldActivate = deltaX > 5 || deltaY > 5; - const nextSelectionBox = { - ...selectionBox, - currentPos: { x: clientX, y: clientY }, - isActive: shouldActivate || 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, - isSelecting: selectionBox?.isActive ?? false, - handleMouseDown, - shouldIgnoreClick, - }; -} +import { useCallback, useEffect, useRef, useState } from "react";
+
+interface SelectionBoxState {
+ startPos: { x: number; y: number };
+ currentPos: { x: number; y: number };
+ isActive: boolean;
+ isAdditive: boolean;
+ initialSelectedIds: string[];
+ initialAnchorId: string | null;
+}
+
+function isIntersecting({
+ selectionRect,
+ itemRect,
+}: {
+ selectionRect: DOMRect;
+ itemRect: DOMRect;
+}) {
+ return !(
+ itemRect.right < selectionRect.left ||
+ itemRect.left > selectionRect.right ||
+ itemRect.bottom < selectionRect.top ||
+ itemRect.top > selectionRect.bottom
+ );
+}
+
+function createSelectionRect({
+ startPos,
+ currentPos,
+}: {
+ startPos: { x: number; y: number };
+ currentPos: { x: number; y: number };
+}) {
+ return new DOMRect(
+ Math.min(startPos.x, currentPos.x),
+ Math.min(startPos.y, currentPos.y),
+ Math.abs(currentPos.x - startPos.x),
+ Math.abs(currentPos.y - startPos.y),
+ );
+}
+
+export function useAssetsSelectionBox({
+ containerRef,
+ getSelectableElements,
+ selectedIds,
+ selectionAnchorId,
+ onSelectionChange,
+}: {
+ containerRef: React.RefObject<HTMLElement | null>;
+ getSelectableElements: () => Map<string, HTMLElement>;
+ selectedIds: string[];
+ selectionAnchorId: string | null;
+ onSelectionChange: ({
+ intersectedIds,
+ initialSelectedIds,
+ initialAnchorId,
+ isAdditive,
+ }: {
+ intersectedIds: string[];
+ initialSelectedIds: string[];
+ initialAnchorId: string | null;
+ isAdditive: boolean;
+ }) => void;
+}) {
+ const [selectionBox, setSelectionBox] = useState<SelectionBoxState | null>(
+ null,
+ );
+ const justFinishedSelectingRef = useRef(false);
+ const isAssetItemTarget = useCallback((target: EventTarget | null) => {
+ return target instanceof Element && target.closest("[data-asset-item='true']");
+ }, []);
+
+ const handleMouseDown = useCallback(
+ (event: React.MouseEvent<HTMLElement>) => {
+ if (event.button !== 0) {
+ return;
+ }
+
+ if (isAssetItemTarget(event.target)) {
+ return;
+ }
+
+ setSelectionBox({
+ startPos: { x: event.clientX, y: event.clientY },
+ currentPos: { x: event.clientX, y: event.clientY },
+ isActive: false,
+ isAdditive: event.ctrlKey || event.metaKey,
+ initialSelectedIds: selectedIds,
+ initialAnchorId: selectionAnchorId,
+ });
+ },
+ [isAssetItemTarget, selectedIds, selectionAnchorId],
+ );
+
+ const updateSelection = useCallback(
+ ({
+ startPos,
+ currentPos,
+ isAdditive,
+ initialSelectedIds,
+ initialAnchorId,
+ }: SelectionBoxState) => {
+ const selectionRect = createSelectionRect({ startPos, currentPos });
+ const intersectedIds = [...getSelectableElements().entries()]
+ .filter(([, element]) =>
+ isIntersecting({
+ selectionRect,
+ itemRect: element.getBoundingClientRect(),
+ }),
+ )
+ .map(([id]) => id);
+
+ onSelectionChange({
+ intersectedIds,
+ initialSelectedIds,
+ initialAnchorId,
+ isAdditive,
+ });
+ },
+ [getSelectableElements, onSelectionChange],
+ );
+
+ 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 shouldActivate = deltaX > 5 || deltaY > 5;
+ const nextSelectionBox = {
+ ...selectionBox,
+ currentPos: { x: clientX, y: clientY },
+ isActive: shouldActivate || 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,
+ isSelecting: selectionBox?.isActive ?? false,
+ handleMouseDown,
+ shouldIgnoreClick,
+ };
+}
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