element-portable/src/components/structures/SpaceHierarchy.tsx
2024-03-20 14:27:29 +00:00

930 lines
34 KiB
TypeScript

/*
Copyright 2021 - 2023 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React, {
ComponentProps,
Dispatch,
KeyboardEvent,
KeyboardEventHandler,
ReactElement,
ReactNode,
SetStateAction,
useCallback,
useContext,
useEffect,
useMemo,
useRef,
useState,
} from "react";
import {
Room,
RoomEvent,
ClientEvent,
MatrixClient,
MatrixError,
EventType,
RoomType,
GuestAccess,
HistoryVisibility,
HierarchyRelation,
HierarchyRoom,
} from "matrix-js-sdk/src/matrix";
import { RoomHierarchy } from "matrix-js-sdk/src/room-hierarchy";
import classNames from "classnames";
import { sortBy, uniqBy } from "lodash";
import { logger } from "matrix-js-sdk/src/logger";
import { SpaceChildEventContent } from "matrix-js-sdk/src/types";
import defaultDispatcher from "../../dispatcher/dispatcher";
import { _t } from "../../languageHandler";
import AccessibleButton, { ButtonEvent } from "../views/elements/AccessibleButton";
import Spinner from "../views/elements/Spinner";
import SearchBox from "./SearchBox";
import RoomAvatar from "../views/avatars/RoomAvatar";
import StyledCheckbox from "../views/elements/StyledCheckbox";
import BaseAvatar from "../views/avatars/BaseAvatar";
import { mediaFromMxc } from "../../customisations/Media";
import InfoTooltip from "../views/elements/InfoTooltip";
import TextWithTooltip from "../views/elements/TextWithTooltip";
import { useStateToggle } from "../../hooks/useStateToggle";
import { getChildOrder } from "../../stores/spaces/SpaceStore";
import AccessibleTooltipButton from "../views/elements/AccessibleTooltipButton";
import { Linkify, topicToHtml } from "../../HtmlUtils";
import { useDispatcher } from "../../hooks/useDispatcher";
import { Action } from "../../dispatcher/actions";
import { IState, RovingTabIndexProvider, useRovingTabIndex } from "../../accessibility/RovingTabIndex";
import MatrixClientContext from "../../contexts/MatrixClientContext";
import { useTypedEventEmitterState } from "../../hooks/useEventEmitter";
import { IOOBData } from "../../stores/ThreepidInviteStore";
import { awaitRoomDownSync } from "../../utils/RoomUpgrade";
import { ViewRoomPayload } from "../../dispatcher/payloads/ViewRoomPayload";
import { JoinRoomReadyPayload } from "../../dispatcher/payloads/JoinRoomReadyPayload";
import { KeyBindingAction } from "../../accessibility/KeyboardShortcuts";
import { getKeyBindingsManager } from "../../KeyBindingsManager";
import { Alignment } from "../views/elements/Tooltip";
import { getTopic } from "../../hooks/room/useTopic";
import { SdkContextClass } from "../../contexts/SDKContext";
import { getDisplayAliasForAliasSet } from "../../Rooms";
import SettingsStore from "../../settings/SettingsStore";
interface IProps {
space: Room;
initialText?: string;
additionalButtons?: ReactNode;
showRoom(cli: MatrixClient, hierarchy: RoomHierarchy, roomId: string, roomType?: RoomType): void;
}
interface ITileProps {
room: HierarchyRoom;
suggested?: boolean;
selected?: boolean;
numChildRooms?: number;
hasPermissions?: boolean;
children?: ReactNode;
onViewRoomClick(): void;
onJoinRoomClick(): Promise<unknown>;
onToggleClick?(): void;
}
const Tile: React.FC<ITileProps> = ({
room,
suggested,
selected,
hasPermissions,
onToggleClick,
onViewRoomClick,
onJoinRoomClick,
numChildRooms,
children,
}) => {
const cli = useContext(MatrixClientContext);
const joinedRoom = useTypedEventEmitterState(cli, ClientEvent.Room, () => {
const cliRoom = cli?.getRoom(room.room_id);
return cliRoom?.getMyMembership() === "join" ? cliRoom : undefined;
});
const joinedRoomName = useTypedEventEmitterState(joinedRoom, RoomEvent.Name, (room) => room?.name);
const name =
joinedRoomName ||
room.name ||
room.canonical_alias ||
room.aliases?.[0] ||
(room.room_type === RoomType.Space ? _t("common|unnamed_space") : _t("common|unnamed_room"));
const [showChildren, toggleShowChildren] = useStateToggle(true);
const [onFocus, isActive, ref] = useRovingTabIndex();
const [busy, setBusy] = useState(false);
const onPreviewClick = (ev: ButtonEvent): void => {
ev.preventDefault();
ev.stopPropagation();
onViewRoomClick();
};
const onJoinClick = async (ev: ButtonEvent): Promise<void> => {
setBusy(true);
ev.preventDefault();
ev.stopPropagation();
onJoinRoomClick()
.then(() => awaitRoomDownSync(cli, room.room_id))
.finally(() => {
setBusy(false);
});
};
let button: ReactElement;
if (busy) {
button = (
<AccessibleTooltipButton
disabled={true}
onClick={onJoinClick}
kind="primary_outline"
onFocus={onFocus}
tabIndex={isActive ? 0 : -1}
title={_t("space|joining_space")}
>
<Spinner w={24} h={24} />
</AccessibleTooltipButton>
);
} else if (joinedRoom) {
button = (
<AccessibleButton
onClick={onPreviewClick}
kind="primary_outline"
onFocus={onFocus}
tabIndex={isActive ? 0 : -1}
>
{_t("action|view")}
</AccessibleButton>
);
} else {
button = (
<AccessibleButton onClick={onJoinClick} kind="primary" onFocus={onFocus} tabIndex={isActive ? 0 : -1}>
{_t("action|join")}
</AccessibleButton>
);
}
let checkbox: ReactElement | undefined;
if (onToggleClick) {
if (hasPermissions) {
checkbox = <StyledCheckbox checked={!!selected} onChange={onToggleClick} tabIndex={isActive ? 0 : -1} />;
} else {
checkbox = (
<TextWithTooltip
tooltip={_t("space|user_lacks_permission")}
onClick={(ev) => {
ev.stopPropagation();
}}
>
<StyledCheckbox disabled={true} tabIndex={isActive ? 0 : -1} />
</TextWithTooltip>
);
}
}
let avatar: ReactElement;
if (joinedRoom) {
avatar = <RoomAvatar room={joinedRoom} size="20px" />;
} else {
avatar = (
<BaseAvatar
name={name}
idName={room.room_id}
url={room.avatar_url ? mediaFromMxc(room.avatar_url).getSquareThumbnailHttp(20) : null}
size="20px"
/>
);
}
let description = _t("common|n_members", { count: room.num_joined_members ?? 0 });
if (numChildRooms !== undefined) {
description += " · " + _t("common|n_rooms", { count: numChildRooms });
}
let topic: ReactNode | string | null;
if (joinedRoom) {
const topicObj = getTopic(joinedRoom);
topic = topicToHtml(topicObj?.text, topicObj?.html);
} else {
topic = room.topic;
}
let topicSection: ReactNode | undefined;
if (topic) {
topicSection = (
<Linkify
options={{
attributes: {
onClick(ev: MouseEvent) {
// prevent clicks on links from bubbling up to the room tile
ev.stopPropagation();
},
},
}}
>
{" · "}
{topic}
</Linkify>
);
}
let joinedSection: ReactElement | undefined;
if (joinedRoom) {
joinedSection = <div className="mx_SpaceHierarchy_roomTile_joined">{_t("common|joined")}</div>;
}
let suggestedSection: ReactElement | undefined;
if (suggested && (!joinedRoom || hasPermissions)) {
suggestedSection = <InfoTooltip tooltip={_t("space|suggested_tooltip")}>{_t("space|suggested")}</InfoTooltip>;
}
const content = (
<React.Fragment>
<div className="mx_SpaceHierarchy_roomTile_item">
<div className="mx_SpaceHierarchy_roomTile_avatar">{avatar}</div>
<div className="mx_SpaceHierarchy_roomTile_name">
{name}
{joinedSection}
{suggestedSection}
</div>
<div className="mx_SpaceHierarchy_roomTile_info">
{description}
{topicSection}
</div>
</div>
<div className="mx_SpaceHierarchy_actions">
{button}
{checkbox}
</div>
</React.Fragment>
);
let childToggle: JSX.Element | undefined;
let childSection: JSX.Element | undefined;
let onKeyDown: KeyboardEventHandler | undefined;
if (children) {
// the chevron is purposefully a div rather than a button as it should be ignored for a11y
childToggle = (
<div
className={classNames("mx_SpaceHierarchy_subspace_toggle", {
mx_SpaceHierarchy_subspace_toggle_shown: showChildren,
})}
onClick={(ev) => {
ev.stopPropagation();
toggleShowChildren();
}}
/>
);
if (showChildren) {
const onChildrenKeyDown = (e: React.KeyboardEvent): void => {
const action = getKeyBindingsManager().getAccessibilityAction(e);
switch (action) {
case KeyBindingAction.ArrowLeft:
e.preventDefault();
e.stopPropagation();
ref.current?.focus();
break;
}
};
childSection = (
<div className="mx_SpaceHierarchy_subspace_children" onKeyDown={onChildrenKeyDown} role="group">
{children}
</div>
);
}
onKeyDown = (e) => {
let handled = false;
const action = getKeyBindingsManager().getAccessibilityAction(e);
switch (action) {
case KeyBindingAction.ArrowLeft:
if (showChildren) {
handled = true;
toggleShowChildren();
}
break;
case KeyBindingAction.ArrowRight:
handled = true;
if (showChildren) {
const childSection = ref.current?.nextElementSibling;
childSection?.querySelector<HTMLDivElement>(".mx_SpaceHierarchy_roomTile")?.focus();
} else {
toggleShowChildren();
}
break;
}
if (handled) {
e.preventDefault();
e.stopPropagation();
}
};
}
return (
<li
className="mx_SpaceHierarchy_roomTileWrapper"
role="treeitem"
aria-selected={selected}
aria-expanded={children ? showChildren : undefined}
>
<AccessibleButton
className={classNames("mx_SpaceHierarchy_roomTile", {
mx_SpaceHierarchy_subspace: room.room_type === RoomType.Space,
mx_SpaceHierarchy_joining: busy,
})}
onClick={hasPermissions && onToggleClick ? onToggleClick : onPreviewClick}
onKeyDown={onKeyDown}
ref={ref}
onFocus={onFocus}
tabIndex={isActive ? 0 : -1}
>
{content}
{childToggle}
</AccessibleButton>
{childSection}
</li>
);
};
export const showRoom = (cli: MatrixClient, hierarchy: RoomHierarchy, roomId: string, roomType?: RoomType): void => {
const room = hierarchy.roomMap.get(roomId);
// Don't let the user view a room they won't be able to either peek or join:
// fail earlier so they don't have to click back to the directory.
if (cli.isGuest()) {
if (!room?.world_readable && !room?.guest_can_join) {
defaultDispatcher.dispatch({ action: "require_registration" });
return;
}
}
const roomAlias = getDisplayAliasForAliasSet(room?.canonical_alias ?? "", room?.aliases ?? []) || undefined;
defaultDispatcher.dispatch<ViewRoomPayload>({
action: Action.ViewRoom,
should_peek: true,
room_alias: roomAlias,
room_id: roomId,
via_servers: Array.from(hierarchy.viaMap.get(roomId) || []),
oob_data: {
avatarUrl: room?.avatar_url,
// XXX: This logic is duplicated from the JS SDK which would normally decide what the name is.
name: room?.name || roomAlias || _t("common|unnamed_room"),
roomType,
} as IOOBData,
metricsTrigger: "RoomDirectory",
});
};
export const joinRoom = async (cli: MatrixClient, hierarchy: RoomHierarchy, roomId: string): Promise<unknown> => {
// Don't let the user view a room they won't be able to either peek or join:
// fail earlier so they don't have to click back to the directory.
if (cli.isGuest()) {
defaultDispatcher.dispatch({ action: "require_registration" });
return;
}
try {
await cli.joinRoom(roomId, {
viaServers: Array.from(hierarchy.viaMap.get(roomId) || []),
});
} catch (err: unknown) {
if (err instanceof MatrixError) {
SdkContextClass.instance.roomViewStore.showJoinRoomError(err, roomId);
} else {
logger.warn("Got a non-MatrixError while joining room", err);
SdkContextClass.instance.roomViewStore.showJoinRoomError(
new MatrixError({
error: _t("error|unknown"),
}),
roomId,
);
}
return;
}
defaultDispatcher.dispatch<JoinRoomReadyPayload>({
action: Action.JoinRoomReady,
roomId,
metricsTrigger: "SpaceHierarchy",
});
};
interface IHierarchyLevelProps {
root: HierarchyRoom;
roomSet: Set<HierarchyRoom>;
hierarchy: RoomHierarchy;
parents: Set<string>;
selectedMap?: Map<string, Set<string>>;
onViewRoomClick(roomId: string, roomType?: RoomType): void;
onJoinRoomClick(roomId: string, parents: Set<string>): Promise<unknown>;
onToggleClick?(parentId: string, childId: string): void;
}
export const toLocalRoom = (cli: MatrixClient, room: HierarchyRoom, hierarchy: RoomHierarchy): HierarchyRoom => {
const history = cli.getRoomUpgradeHistory(
room.room_id,
true,
SettingsStore.getValue("feature_dynamic_room_predecessors"),
);
// Pick latest room that is actually part of the hierarchy
let cliRoom: Room | null = null;
for (let idx = history.length - 1; idx >= 0; --idx) {
if (hierarchy.roomMap.get(history[idx].roomId)) {
cliRoom = history[idx];
break;
}
}
if (cliRoom) {
return {
...room,
room_id: cliRoom.roomId,
room_type: cliRoom.getType(),
name: cliRoom.name,
topic: cliRoom.currentState.getStateEvents(EventType.RoomTopic, "")?.getContent().topic,
avatar_url: cliRoom.getMxcAvatarUrl() ?? undefined,
canonical_alias: cliRoom.getCanonicalAlias() ?? undefined,
aliases: cliRoom.getAltAliases(),
world_readable:
cliRoom.currentState.getStateEvents(EventType.RoomHistoryVisibility, "")?.getContent()
.history_visibility === HistoryVisibility.WorldReadable,
guest_can_join:
cliRoom.currentState.getStateEvents(EventType.RoomGuestAccess, "")?.getContent().guest_access ===
GuestAccess.CanJoin,
num_joined_members: cliRoom.getJoinedMemberCount(),
};
}
return room;
};
export const HierarchyLevel: React.FC<IHierarchyLevelProps> = ({
root,
roomSet,
hierarchy,
parents,
selectedMap,
onViewRoomClick,
onJoinRoomClick,
onToggleClick,
}) => {
const cli = useContext(MatrixClientContext);
const space = cli.getRoom(root.room_id);
const hasPermissions = space?.currentState.maySendStateEvent(EventType.SpaceChild, cli.getSafeUserId());
const sortedChildren = sortBy(root.children_state, (ev) => {
return getChildOrder(ev.content.order, ev.origin_server_ts, ev.state_key);
});
const [subspaces, childRooms] = sortedChildren.reduce(
(result, ev: HierarchyRelation) => {
const room = hierarchy.roomMap.get(ev.state_key);
if (room && roomSet.has(room)) {
result[room.room_type === RoomType.Space ? 0 : 1].push(toLocalRoom(cli, room, hierarchy));
}
return result;
},
[[] as HierarchyRoom[], [] as HierarchyRoom[]],
);
const newParents = new Set(parents).add(root.room_id);
return (
<React.Fragment>
{uniqBy(childRooms, "room_id").map((room) => (
<Tile
key={room.room_id}
room={room}
suggested={hierarchy.isSuggested(root.room_id, room.room_id)}
selected={selectedMap?.get(root.room_id)?.has(room.room_id)}
onViewRoomClick={() => onViewRoomClick(room.room_id, room.room_type as RoomType)}
onJoinRoomClick={() => onJoinRoomClick(room.room_id, newParents)}
hasPermissions={hasPermissions}
onToggleClick={onToggleClick ? () => onToggleClick(root.room_id, room.room_id) : undefined}
/>
))}
{subspaces
.filter((room) => !newParents.has(room.room_id))
.map((space) => (
<Tile
key={space.room_id}
room={space}
numChildRooms={
space.children_state.filter((ev) => {
const room = hierarchy.roomMap.get(ev.state_key);
return room && roomSet.has(room) && !room.room_type;
}).length
}
suggested={hierarchy.isSuggested(root.room_id, space.room_id)}
selected={selectedMap?.get(root.room_id)?.has(space.room_id)}
onViewRoomClick={() => onViewRoomClick(space.room_id, RoomType.Space)}
onJoinRoomClick={() => onJoinRoomClick(space.room_id, newParents)}
hasPermissions={hasPermissions}
onToggleClick={onToggleClick ? () => onToggleClick(root.room_id, space.room_id) : undefined}
>
<HierarchyLevel
root={space}
roomSet={roomSet}
hierarchy={hierarchy}
parents={newParents}
selectedMap={selectedMap}
onViewRoomClick={onViewRoomClick}
onJoinRoomClick={onJoinRoomClick}
onToggleClick={onToggleClick}
/>
</Tile>
))}
</React.Fragment>
);
};
const INITIAL_PAGE_SIZE = 20;
export const useRoomHierarchy = (
space: Room,
): {
loading: boolean;
rooms?: HierarchyRoom[];
hierarchy?: RoomHierarchy;
error?: Error;
loadMore(pageSize?: number): Promise<void>;
} => {
const [rooms, setRooms] = useState<HierarchyRoom[]>([]);
const [hierarchy, setHierarchy] = useState<RoomHierarchy>();
const [error, setError] = useState<Error | undefined>();
const resetHierarchy = useCallback(() => {
setError(undefined);
const hierarchy = new RoomHierarchy(space, INITIAL_PAGE_SIZE);
hierarchy.load().then(() => {
if (space !== hierarchy.root) return; // discard stale results
setRooms(hierarchy.rooms ?? []);
}, setError);
setHierarchy(hierarchy);
}, [space]);
useEffect(resetHierarchy, [resetHierarchy]);
useDispatcher(defaultDispatcher, (payload) => {
if (payload.action === Action.UpdateSpaceHierarchy) {
setRooms([]); // TODO
resetHierarchy();
}
});
const loadMore = useCallback(
async (pageSize?: number): Promise<void> => {
if (!hierarchy || hierarchy.loading || !hierarchy.canLoadMore || hierarchy.noSupport || error) return;
await hierarchy.load(pageSize).catch(setError);
setRooms(hierarchy.rooms ?? []);
},
[error, hierarchy],
);
// Only return the hierarchy if it is for the space requested
if (hierarchy?.root !== space) {
return {
loading: true,
loadMore,
};
}
return {
loading: hierarchy.loading,
rooms,
hierarchy,
loadMore,
error,
};
};
const useIntersectionObserver = (callback: () => void): ((element: HTMLDivElement) => void) => {
const handleObserver = (entries: IntersectionObserverEntry[]): void => {
const target = entries[0];
if (target.isIntersecting) {
callback();
}
};
const observerRef = useRef<IntersectionObserver>();
return (element: HTMLDivElement) => {
if (observerRef.current) {
observerRef.current.disconnect();
} else if (element) {
observerRef.current = new IntersectionObserver(handleObserver, {
root: element.parentElement,
rootMargin: "0px 0px 600px 0px",
});
}
if (observerRef.current && element) {
observerRef.current.observe(element);
}
};
};
interface IManageButtonsProps {
hierarchy: RoomHierarchy;
selected: Map<string, Set<string>>;
setSelected: Dispatch<SetStateAction<Map<string, Set<string>>>>;
setError: Dispatch<SetStateAction<string>>;
}
const ManageButtons: React.FC<IManageButtonsProps> = ({ hierarchy, selected, setSelected, setError }) => {
const cli = useContext(MatrixClientContext);
const [removing, setRemoving] = useState(false);
const [saving, setSaving] = useState(false);
const selectedRelations = Array.from(selected.keys()).flatMap((parentId) => {
return [...selected.get(parentId)!.values()].map((childId) => [parentId, childId]);
});
const selectionAllSuggested = selectedRelations.every(([parentId, childId]) => {
return hierarchy.isSuggested(parentId, childId);
});
const disabled = !selectedRelations.length || removing || saving;
let Button: React.ComponentType<React.ComponentProps<typeof AccessibleButton>> = AccessibleButton;
let props: Partial<ComponentProps<typeof AccessibleTooltipButton>> = {};
if (!selectedRelations.length) {
Button = AccessibleTooltipButton;
props = {
tooltip: _t("space|select_room_below"),
alignment: Alignment.Top,
};
}
let buttonText = _t("common|saving");
if (!saving) {
buttonText = selectionAllSuggested ? _t("space|unmark_suggested") : _t("space|mark_suggested");
}
return (
<>
<Button
{...props}
onClick={async (): Promise<void> => {
setRemoving(true);
try {
const userId = cli.getSafeUserId();
for (const [parentId, childId] of selectedRelations) {
await cli.sendStateEvent(parentId, EventType.SpaceChild, {}, childId);
// remove the child->parent relation too, if we have permission to.
const childRoom = cli.getRoom(childId);
const parentRelation = childRoom?.currentState.getStateEvents(
EventType.SpaceParent,
parentId,
);
if (
childRoom?.currentState.maySendStateEvent(EventType.SpaceParent, userId) &&
Array.isArray(parentRelation?.getContent().via)
) {
await cli.sendStateEvent(childId, EventType.SpaceParent, {}, parentId);
}
hierarchy.removeRelation(parentId, childId);
}
} catch (e) {
setError(_t("space|failed_remove_rooms"));
}
setRemoving(false);
setSelected(new Map());
}}
kind="danger_outline"
disabled={disabled}
>
{removing ? _t("redact|ongoing") : _t("action|remove")}
</Button>
<Button
{...props}
onClick={async (): Promise<void> => {
setSaving(true);
try {
for (const [parentId, childId] of selectedRelations) {
const suggested = !selectionAllSuggested;
const existingContent = hierarchy.getRelation(parentId, childId)?.content;
if (!existingContent || existingContent.suggested === suggested) continue;
const content: SpaceChildEventContent = {
...existingContent,
suggested: !selectionAllSuggested,
};
await cli.sendStateEvent(parentId, EventType.SpaceChild, content, childId);
// mutate the local state to save us having to refetch the world
existingContent.suggested = content.suggested;
}
} catch (e) {
setError("Failed to update some suggestions. Try again later");
}
setSaving(false);
setSelected(new Map());
}}
kind="primary_outline"
disabled={disabled}
>
{buttonText}
</Button>
</>
);
};
const SpaceHierarchy: React.FC<IProps> = ({ space, initialText = "", showRoom, additionalButtons }) => {
const cli = useContext(MatrixClientContext);
const [query, setQuery] = useState(initialText);
const [selected, setSelected] = useState(new Map<string, Set<string>>()); // Map<parentId, Set<childId>>
const { loading, rooms, hierarchy, loadMore, error: hierarchyError } = useRoomHierarchy(space);
const filteredRoomSet = useMemo<Set<HierarchyRoom>>(() => {
if (!rooms?.length || !hierarchy) return new Set();
const lcQuery = query.toLowerCase().trim();
if (!lcQuery) return new Set(rooms);
const directMatches = rooms.filter((r) => {
return r.name?.toLowerCase().includes(lcQuery) || r.topic?.toLowerCase().includes(lcQuery);
});
// Walk back up the tree to find all parents of the direct matches to show their place in the hierarchy
const visited = new Set<string>();
const queue = [...directMatches.map((r) => r.room_id)];
while (queue.length) {
const roomId = queue.pop()!;
visited.add(roomId);
hierarchy.backRefs.get(roomId)?.forEach((parentId) => {
if (!visited.has(parentId)) {
queue.push(parentId);
}
});
}
return new Set(rooms.filter((r) => visited.has(r.room_id)));
}, [rooms, hierarchy, query]);
const [error, setError] = useState("");
let errorText = error;
if (!error && hierarchyError) {
errorText = _t("space|failed_load_rooms");
}
const loaderRef = useIntersectionObserver(loadMore);
if (!loading && hierarchy!.noSupport) {
return <p>{_t("space|incompatible_server_hierarchy")}</p>;
}
const onKeyDown = (ev: KeyboardEvent, state: IState): void => {
const action = getKeyBindingsManager().getAccessibilityAction(ev);
if (action === KeyBindingAction.ArrowDown && ev.currentTarget.classList.contains("mx_SpaceHierarchy_search")) {
state.refs[0]?.current?.focus();
}
};
const onToggleClick = (parentId: string, childId: string): void => {
setError("");
if (!selected.has(parentId)) {
setSelected(new Map(selected.set(parentId, new Set([childId]))));
return;
}
const parentSet = selected.get(parentId)!;
if (!parentSet.has(childId)) {
setSelected(new Map(selected.set(parentId, new Set([...parentSet, childId]))));
return;
}
parentSet.delete(childId);
setSelected(new Map(selected.set(parentId, new Set(parentSet))));
};
return (
<RovingTabIndexProvider onKeyDown={onKeyDown} handleHomeEnd handleUpDown>
{({ onKeyDownHandler }) => {
let content: JSX.Element;
if (!hierarchy || (loading && !rooms?.length)) {
content = <Spinner />;
} else {
const hasPermissions =
space?.getMyMembership() === "join" &&
space.currentState.maySendStateEvent(EventType.SpaceChild, cli.getSafeUserId());
const root = hierarchy.roomMap.get(space.roomId);
let results: JSX.Element | undefined;
if (filteredRoomSet.size && root) {
results = (
<>
<HierarchyLevel
root={root}
roomSet={filteredRoomSet}
hierarchy={hierarchy}
parents={new Set()}
selectedMap={selected}
onToggleClick={hasPermissions ? onToggleClick : undefined}
onViewRoomClick={(roomId, roomType) => showRoom(cli, hierarchy, roomId, roomType)}
onJoinRoomClick={async (roomId, parents) => {
for (const parent of parents) {
if (cli.getRoom(parent)?.getMyMembership() !== "join") {
await joinRoom(cli, hierarchy, parent);
}
}
await joinRoom(cli, hierarchy, roomId);
}}
/>
</>
);
} else if (!hierarchy.canLoadMore) {
results = (
<div className="mx_SpaceHierarchy_noResults">
<h3>{_t("common|no_results_found")}</h3>
<div>{_t("space|no_search_result_hint")}</div>
</div>
);
}
let loader: JSX.Element | undefined;
if (hierarchy.canLoadMore) {
loader = (
<div ref={loaderRef}>
<Spinner />
</div>
);
}
content = (
<>
<div className="mx_SpaceHierarchy_listHeader">
<h4 className="mx_SpaceHierarchy_listHeader_header">
{query.trim()
? _t("space|title_when_query_available")
: _t("space|title_when_query_unavailable")}
</h4>
<div className="mx_SpaceHierarchy_listHeader_buttons">
{additionalButtons}
{hasPermissions && (
<ManageButtons
hierarchy={hierarchy}
selected={selected}
setSelected={setSelected}
setError={setError}
/>
)}
</div>
</div>
{errorText && <div className="mx_SpaceHierarchy_error">{errorText}</div>}
<ul
className="mx_SpaceHierarchy_list"
onKeyDown={onKeyDownHandler}
role="tree"
aria-label={_t("common|space")}
>
{results}
</ul>
{loader}
</>
);
}
return (
<>
<SearchBox
className="mx_SpaceHierarchy_search mx_textinput_icon mx_textinput_search"
placeholder={_t("space|search_placeholder")}
onSearch={setQuery}
autoFocus={true}
initialValue={initialText}
onKeyDown={onKeyDownHandler}
/>
{content}
</>
);
}}
</RovingTabIndexProvider>
);
};
export default SpaceHierarchy;