diff options
Diffstat (limited to 'apps/web/src/lib/selection/selectable-surface.tsx')
| -rw-r--r-- | apps/web/src/lib/selection/selectable-surface.tsx | 576 |
1 files changed, 288 insertions, 288 deletions
diff --git a/apps/web/src/lib/selection/selectable-surface.tsx b/apps/web/src/lib/selection/selectable-surface.tsx index 605b3d18..20c7adb3 100644 --- a/apps/web/src/lib/selection/selectable-surface.tsx +++ b/apps/web/src/lib/selection/selectable-surface.tsx @@ -1,288 +1,288 @@ -"use client"; - -import { useCallback, useEffect, useMemo, useRef, useState } from "react"; -import { SelectionBox } from "@/lib/selection/selection-box"; -import { SelectionContext } from "@/lib/selection/context"; -import { SELECTABLE_ITEM_ATTRIBUTE } from "@/lib/selection/constants"; -import { resolveElementIntersections } from "@/lib/selection/hit-testing"; -import { - applyBoxSelection, - clearSelection, - isSelected as getIsSelected, - pruneSelection, - replaceSelection, - selectRange, - toggleSelection, -} from "@/lib/selection/state"; -import type { - SelectableSurfaceProps, - SelectionState, -} from "@/lib/selection/types"; -import { useBoxSelect } from "@/lib/selection/hooks/use-box-select"; -import { cn } from "@/utils/ui"; - -export function SelectableSurface({ - orderedIds, - children, - className, - ariaLabel = "Selectable items", - revealId = null, - onRevealComplete, - onSelectionChange, -}: SelectableSurfaceProps) { - const [selectionState, setSelectionState] = useState<SelectionState>(() => - clearSelection(), - ); - const [highlightedId, setHighlightedId] = useState<string | null>(null); - const containerRef = useRef<HTMLDivElement>(null); - const itemElementsRef = useRef<Map<string, HTMLElement>>(new Map()); - - const registerItem = useCallback( - (id: string, element: HTMLElement | null) => { - if (element) { - itemElementsRef.current.set(id, element); - } else { - itemElementsRef.current.delete(id); - } - }, - [], - ); - - const getSelectableElements = useCallback(() => { - return itemElementsRef.current; - }, []); - - const getItemElement = useCallback((id: string) => { - return itemElementsRef.current.get(id) ?? null; - }, []); - const shouldStartSelection = useCallback( - (event: React.MouseEvent<Element>) => { - return !( - event.target instanceof Element && - event.target.closest(`[${SELECTABLE_ITEM_ATTRIBUTE}='true']`) - ); - }, - [], - ); - const resolveIntersections = useCallback( - ({ - startPos, - currentPos, - }: { - startPos: { x: number; y: number }; - currentPos: { x: number; y: number }; - }) => { - return resolveElementIntersections({ - startPos, - currentPos, - elements: getSelectableElements(), - }); - }, - [getSelectableElements], - ); - - const clearSelectionState = useCallback(() => { - setSelectionState(clearSelection()); - }, []); - - const selectedIdSet = useMemo( - () => new Set(selectionState.selectedIds), - [selectionState.selectedIds], - ); - - const isSelected = useCallback( - (id: string) => selectedIdSet.has(id), - [selectedIdSet], - ); - - const handleItemClick = useCallback( - ({ - event, - id, - }: { - event: - | React.MouseEvent<HTMLDivElement> - | React.KeyboardEvent<HTMLDivElement>; - id: string; - }) => { - setSelectionState((state) => { - const isToggleSelection = event.ctrlKey || event.metaKey; - - if (event.shiftKey) { - return selectRange({ - state, - orderedIds, - targetId: id, - isAdditive: isToggleSelection, - }); - } - - if (isToggleSelection) { - return toggleSelection({ - state, - id, - }); - } - - return replaceSelection({ - ids: [id], - anchorId: id, - }); - }); - }, - [orderedIds], - ); - - const selectUnselectedItem = useCallback((id: string) => { - setSelectionState((state) => { - if (getIsSelected({ state, id })) { - return state; - } - - return replaceSelection({ ids: [id], anchorId: id }); - }); - }, []); - - const handleItemMouseDown = useCallback( - ({ - event, - id, - }: { - event: React.MouseEvent<HTMLDivElement>; - id: string; - }) => { - if (event.button !== 2) { - return; - } - - selectUnselectedItem(id); - }, - [selectUnselectedItem], - ); - - const handleBoxSelectionChange = useCallback( - (change: Parameters<typeof applyBoxSelection>[0]) => { - setSelectionState(applyBoxSelection(change)); - }, - [], - ); - - const { selectionBox, handleMouseDown, shouldIgnoreClick } = useBoxSelect({ - containerRef, - resolveIntersections, - selectedIds: selectionState.selectedIds, - anchorId: selectionState.anchorId, - onSelectionChange: handleBoxSelectionChange, - shouldStartSelection, - }); - - const handleBackgroundClick = useCallback( - (event: React.MouseEvent<HTMLDivElement>) => { - const clickedSelectableItem = - event.target instanceof Element && - event.target.closest(`[${SELECTABLE_ITEM_ATTRIBUTE}='true']`); - const isIgnoringClick = shouldIgnoreClick(); - if (clickedSelectableItem || isIgnoringClick) { - return; - } - - clearSelectionState(); - }, - [clearSelectionState, shouldIgnoreClick], - ); - - const handleBackgroundKeyDown = useCallback( - (event: React.KeyboardEvent<HTMLDivElement>) => { - if (event.target !== event.currentTarget) { - return; - } - - if (event.key !== "Enter" && event.key !== " " && event.key !== "Escape") { - return; - } - - event.preventDefault(); - clearSelectionState(); - }, - [clearSelectionState], - ); - - useEffect(() => { - setSelectionState((state) => - pruneSelection({ - state, - orderedIds, - }), - ); - }, [orderedIds]); - - useEffect(() => { - onSelectionChange?.(selectionState); - }, [onSelectionChange, selectionState]); - - useEffect(() => { - if (!revealId) { - return; - } - - setHighlightedId(revealId); - getItemElement(revealId)?.scrollIntoView({ block: "center" }); - - const timer = setTimeout(() => { - setHighlightedId(null); - onRevealComplete?.(); - }, 1500); - - return () => clearTimeout(timer); - }, [getItemElement, onRevealComplete, revealId]); - - const isBoxSelecting = selectionBox?.isActive ?? false; - - const contextValue = useMemo(() => { - return { - selectedIds: selectionState.selectedIds, - anchorId: selectionState.anchorId, - highlightedId, - isBoxSelecting, - isSelected, - clearSelection: clearSelectionState, - handleItemClick, - handleItemMouseDown, - registerItem, - }; - }, [ - clearSelectionState, - handleItemClick, - handleItemMouseDown, - highlightedId, - isBoxSelecting, - isSelected, - registerItem, - selectionState.anchorId, - selectionState.selectedIds, - ]); - - return ( - <SelectionContext.Provider value={contextValue}> - <div - ref={containerRef} - className={cn("relative min-h-full", className)} - role="listbox" - aria-label={ariaLabel} - aria-multiselectable="true" - tabIndex={0} - onMouseDown={handleMouseDown} - onClick={handleBackgroundClick} - onKeyDown={handleBackgroundKeyDown} - > - {children} - <SelectionBox - startPos={selectionBox?.startPos ?? null} - currentPos={selectionBox?.currentPos ?? null} - containerRef={containerRef} - isActive={selectionBox?.isActive ?? false} - /> - </div> - </SelectionContext.Provider> - ); -} +"use client";
+
+import { useCallback, useEffect, useMemo, useRef, useState } from "react";
+import { SelectionBox } from "@/lib/selection/selection-box";
+import { SelectionContext } from "@/lib/selection/context";
+import { SELECTABLE_ITEM_ATTRIBUTE } from "@/lib/selection/constants";
+import { resolveElementIntersections } from "@/lib/selection/hit-testing";
+import {
+ applyBoxSelection,
+ clearSelection,
+ isSelected as getIsSelected,
+ pruneSelection,
+ replaceSelection,
+ selectRange,
+ toggleSelection,
+} from "@/lib/selection/state";
+import type {
+ SelectableSurfaceProps,
+ SelectionState,
+} from "@/lib/selection/types";
+import { useBoxSelect } from "@/lib/selection/hooks/use-box-select";
+import { cn } from "@/utils/ui";
+
+export function SelectableSurface({
+ orderedIds,
+ children,
+ className,
+ ariaLabel = "Selectable items",
+ revealId = null,
+ onRevealComplete,
+ onSelectionChange,
+}: SelectableSurfaceProps) {
+ const [selectionState, setSelectionState] = useState<SelectionState>(() =>
+ clearSelection(),
+ );
+ const [highlightedId, setHighlightedId] = useState<string | null>(null);
+ const containerRef = useRef<HTMLDivElement>(null);
+ const itemElementsRef = useRef<Map<string, HTMLElement>>(new Map());
+
+ const registerItem = useCallback(
+ (id: string, element: HTMLElement | null) => {
+ if (element) {
+ itemElementsRef.current.set(id, element);
+ } else {
+ itemElementsRef.current.delete(id);
+ }
+ },
+ [],
+ );
+
+ const getSelectableElements = useCallback(() => {
+ return itemElementsRef.current;
+ }, []);
+
+ const getItemElement = useCallback((id: string) => {
+ return itemElementsRef.current.get(id) ?? null;
+ }, []);
+ const shouldStartSelection = useCallback(
+ (event: React.MouseEvent<Element>) => {
+ return !(
+ event.target instanceof Element &&
+ event.target.closest(`[${SELECTABLE_ITEM_ATTRIBUTE}='true']`)
+ );
+ },
+ [],
+ );
+ const resolveIntersections = useCallback(
+ ({
+ startPos,
+ currentPos,
+ }: {
+ startPos: { x: number; y: number };
+ currentPos: { x: number; y: number };
+ }) => {
+ return resolveElementIntersections({
+ startPos,
+ currentPos,
+ elements: getSelectableElements(),
+ });
+ },
+ [getSelectableElements],
+ );
+
+ const clearSelectionState = useCallback(() => {
+ setSelectionState(clearSelection());
+ }, []);
+
+ const selectedIdSet = useMemo(
+ () => new Set(selectionState.selectedIds),
+ [selectionState.selectedIds],
+ );
+
+ const isSelected = useCallback(
+ (id: string) => selectedIdSet.has(id),
+ [selectedIdSet],
+ );
+
+ const handleItemClick = useCallback(
+ ({
+ event,
+ id,
+ }: {
+ event:
+ | React.MouseEvent<HTMLDivElement>
+ | React.KeyboardEvent<HTMLDivElement>;
+ id: string;
+ }) => {
+ setSelectionState((state) => {
+ const isToggleSelection = event.ctrlKey || event.metaKey;
+
+ if (event.shiftKey) {
+ return selectRange({
+ state,
+ orderedIds,
+ targetId: id,
+ isAdditive: isToggleSelection,
+ });
+ }
+
+ if (isToggleSelection) {
+ return toggleSelection({
+ state,
+ id,
+ });
+ }
+
+ return replaceSelection({
+ ids: [id],
+ anchorId: id,
+ });
+ });
+ },
+ [orderedIds],
+ );
+
+ const selectUnselectedItem = useCallback((id: string) => {
+ setSelectionState((state) => {
+ if (getIsSelected({ state, id })) {
+ return state;
+ }
+
+ return replaceSelection({ ids: [id], anchorId: id });
+ });
+ }, []);
+
+ const handleItemMouseDown = useCallback(
+ ({
+ event,
+ id,
+ }: {
+ event: React.MouseEvent<HTMLDivElement>;
+ id: string;
+ }) => {
+ if (event.button !== 2) {
+ return;
+ }
+
+ selectUnselectedItem(id);
+ },
+ [selectUnselectedItem],
+ );
+
+ const handleBoxSelectionChange = useCallback(
+ (change: Parameters<typeof applyBoxSelection>[0]) => {
+ setSelectionState(applyBoxSelection(change));
+ },
+ [],
+ );
+
+ const { selectionBox, handleMouseDown, shouldIgnoreClick } = useBoxSelect({
+ containerRef,
+ resolveIntersections,
+ selectedIds: selectionState.selectedIds,
+ anchorId: selectionState.anchorId,
+ onSelectionChange: handleBoxSelectionChange,
+ shouldStartSelection,
+ });
+
+ const handleBackgroundClick = useCallback(
+ (event: React.MouseEvent<HTMLDivElement>) => {
+ const clickedSelectableItem =
+ event.target instanceof Element &&
+ event.target.closest(`[${SELECTABLE_ITEM_ATTRIBUTE}='true']`);
+ const isIgnoringClick = shouldIgnoreClick();
+ if (clickedSelectableItem || isIgnoringClick) {
+ return;
+ }
+
+ clearSelectionState();
+ },
+ [clearSelectionState, shouldIgnoreClick],
+ );
+
+ const handleBackgroundKeyDown = useCallback(
+ (event: React.KeyboardEvent<HTMLDivElement>) => {
+ if (event.target !== event.currentTarget) {
+ return;
+ }
+
+ if (event.key !== "Enter" && event.key !== " " && event.key !== "Escape") {
+ return;
+ }
+
+ event.preventDefault();
+ clearSelectionState();
+ },
+ [clearSelectionState],
+ );
+
+ useEffect(() => {
+ setSelectionState((state) =>
+ pruneSelection({
+ state,
+ orderedIds,
+ }),
+ );
+ }, [orderedIds]);
+
+ useEffect(() => {
+ onSelectionChange?.(selectionState);
+ }, [onSelectionChange, selectionState]);
+
+ useEffect(() => {
+ if (!revealId) {
+ return;
+ }
+
+ setHighlightedId(revealId);
+ getItemElement(revealId)?.scrollIntoView({ block: "center" });
+
+ const timer = setTimeout(() => {
+ setHighlightedId(null);
+ onRevealComplete?.();
+ }, 1500);
+
+ return () => clearTimeout(timer);
+ }, [getItemElement, onRevealComplete, revealId]);
+
+ const isBoxSelecting = selectionBox?.isActive ?? false;
+
+ const contextValue = useMemo(() => {
+ return {
+ selectedIds: selectionState.selectedIds,
+ anchorId: selectionState.anchorId,
+ highlightedId,
+ isBoxSelecting,
+ isSelected,
+ clearSelection: clearSelectionState,
+ handleItemClick,
+ handleItemMouseDown,
+ registerItem,
+ };
+ }, [
+ clearSelectionState,
+ handleItemClick,
+ handleItemMouseDown,
+ highlightedId,
+ isBoxSelecting,
+ isSelected,
+ registerItem,
+ selectionState.anchorId,
+ selectionState.selectedIds,
+ ]);
+
+ return (
+ <SelectionContext.Provider value={contextValue}>
+ <div
+ ref={containerRef}
+ className={cn("relative min-h-full", className)}
+ role="listbox"
+ aria-label={ariaLabel}
+ aria-multiselectable="true"
+ tabIndex={0}
+ onMouseDown={handleMouseDown}
+ onClick={handleBackgroundClick}
+ onKeyDown={handleBackgroundKeyDown}
+ >
+ {children}
+ <SelectionBox
+ startPos={selectionBox?.startPos ?? null}
+ currentPos={selectionBox?.currentPos ?? null}
+ containerRef={containerRef}
+ isActive={selectionBox?.isActive ?? false}
+ />
+ </div>
+ </SelectionContext.Provider>
+ );
+}
|
