mirror of
https://github.com/element-hq/element-web.git
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a5830c229e
Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
96 lines
3.5 KiB
JavaScript
96 lines
3.5 KiB
JavaScript
/*
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Copyright 2019 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, {useEffect} from 'react';
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import PropTypes from 'prop-types';
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import MemberAvatar from '../avatars/MemberAvatar';
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import { _t } from '../../../languageHandler';
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import {MatrixEvent, RoomMember} from "matrix-js-sdk";
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import {useStateToggle} from "../../../hooks/useStateToggle";
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import AccessibleButton from "./AccessibleButton";
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const EventListSummary = ({events, children, threshold=3, onToggle, startExpanded, summaryMembers=[], summaryText}) => {
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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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<div className="mx_EventListSummary" data-scroll-tokens={eventIds}>
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{ children }
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</div>
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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_EventListSummary_line"> </div>
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{ children }
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</React.Fragment>;
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} else {
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const avatars = summaryMembers.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_EventListSummary_avatars" onClick={toggleExpanded}>
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{ avatars }
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</span>
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<span className="mx_TextualEvent mx_EventListSummary_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_EventListSummary" data-scroll-tokens={eventIds}>
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<AccessibleButton className="mx_EventListSummary_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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EventListSummary.propTypes = {
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// An array of member events to summarise
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events: PropTypes.arrayOf(PropTypes.instanceOf(MatrixEvent)).isRequired,
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// An array of EventTiles to render when expanded
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children: PropTypes.arrayOf(PropTypes.element).isRequired,
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// The minimum number of events needed to trigger summarisation
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threshold: PropTypes.number,
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// Called when the event list expansion is toggled
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onToggle: PropTypes.func,
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// Whether or not to begin with state.expanded=true
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startExpanded: PropTypes.bool,
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// The list of room members for which to show avatars next to the summary
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summaryMembers: PropTypes.arrayOf(PropTypes.instanceOf(RoomMember)),
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// The text to show as the summary of this event list
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summaryText: PropTypes.string,
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};
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export default EventListSummary;
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