122 lines
4.4 KiB
TypeScript
122 lines
4.4 KiB
TypeScript
/*
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Copyright 2019 - 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React, { ReactNode, useEffect } from "react";
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import { uniqBy } from "lodash";
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import { MatrixEvent } from "matrix-js-sdk/src/models/event";
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import { RoomMember } from "matrix-js-sdk/src/models/room-member";
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import { logger } from "matrix-js-sdk/src/logger";
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import MemberAvatar from '../avatars/MemberAvatar';
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import { _t } from '../../../languageHandler';
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import { useStateToggle } from "../../../hooks/useStateToggle";
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import AccessibleButton from "./AccessibleButton";
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import { Layout } from '../../../settings/enums/Layout';
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interface IProps {
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// An array of member events to summarise
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events: MatrixEvent[];
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// The minimum number of events needed to trigger summarisation
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threshold?: number;
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// Whether or not to begin with state.expanded=true
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startExpanded?: boolean;
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// The list of room members for which to show avatars next to the summary
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summaryMembers?: RoomMember[];
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// The text to show as the summary of this event list
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summaryText?: string | JSX.Element;
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// An array of EventTiles to render when expanded
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children: ReactNode[];
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// Called when the event list expansion is toggled
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onToggle?(): void;
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// The layout currently used
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layout?: Layout;
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}
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const GenericEventListSummary: React.FC<IProps> = ({
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events,
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children,
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threshold = 3,
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onToggle,
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startExpanded = false,
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summaryMembers = [],
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summaryText,
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layout = Layout.Group,
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}) => {
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const [expanded, toggleExpanded] = useStateToggle(startExpanded);
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// Whenever expanded changes call onToggle
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useEffect(() => {
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if (onToggle) {
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onToggle();
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}
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}, [expanded]); // eslint-disable-line react-hooks/exhaustive-deps
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const eventIds = events.map((e) => e.getId()).join(',');
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// If we are only given few events then just pass them through
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if (events.length < threshold) {
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return (
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<li className="mx_GenericEventListSummary" data-scroll-tokens={eventIds} data-expanded={true} data-layout={layout}>
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<ol className="mx_GenericEventListSummary_unstyledList">
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{ children }
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</ol>
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</li>
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);
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}
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let body;
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if (expanded) {
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body = <React.Fragment>
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<div className="mx_GenericEventListSummary_line"> </div>
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<ol className="mx_GenericEventListSummary_unstyledList">
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{ children }
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</ol>
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</React.Fragment>;
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} else {
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const uniqueMembers = uniqBy(summaryMembers.filter(member => {
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if (!member?.getMxcAvatarUrl) {
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logger.error("EventListSummary given null summaryMember, termites may be afoot eating event senders",
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summaryMembers);
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return false;
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}
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return true;
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}), member => member.getMxcAvatarUrl());
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const avatars = uniqueMembers.map((m) => <MemberAvatar key={m.userId} member={m} width={14} height={14} />);
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body = (
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<div className="mx_EventTile_line">
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<div className="mx_EventTile_info">
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<span className="mx_GenericEventListSummary_avatars" onClick={toggleExpanded}>
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{ avatars }
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</span>
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<span className="mx_TextualEvent mx_GenericEventListSummary_summary">
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{ summaryText }
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</span>
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</div>
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</div>
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);
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}
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return (
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<li className="mx_GenericEventListSummary" data-scroll-tokens={eventIds} data-expanded={expanded + ""} data-layout={layout}>
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<AccessibleButton className="mx_GenericEventListSummary_toggle" onClick={toggleExpanded} aria-expanded={expanded}>
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{ expanded ? _t('collapse') : _t('expand') }
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</AccessibleButton>
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{ body }
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</li>
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);
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};
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export default GenericEventListSummary;
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