element-web/src/components/views/elements/JoinRuleDropdown.tsx

/*
Copyright 2024 New Vector Ltd.
Copyright 2021 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE files in the repository root for full details.
*/

import React, { type ReactElement } from "react";
import { JoinRule } from "matrix-js-sdk/src/matrix";

import Dropdown from "./Dropdown";
import { type NonEmptyArray } from "../../../@types/common";
import { Icon as AskToJoinIcon } from "../../../../res/img/element-icons/ask-to-join.svg";

interface IProps {
    value: JoinRule;
    label: string;
    width?: number;
    labelInvite: string;
    labelKnock?: string;
    labelPublic: string;
    labelRestricted?: string; // if omitted then this option will be hidden, e.g if unsupported
    onChange(value: JoinRule): void;
}

const JoinRuleDropdown: React.FC<IProps> = ({
    label,
    labelInvite,
    labelKnock,
    labelPublic,
    labelRestricted,
    value,
    width = 448,
    onChange,
}) => {
    const options = [
        <div key={JoinRule.Invite} className="mx_JoinRuleDropdown_invite">
            {labelInvite}
        </div>,
        <div key={JoinRule.Public} className="mx_JoinRuleDropdown_public">
            {labelPublic}
        </div>,
    ] as NonEmptyArray<ReactElement & { key: string }>;

    if (labelKnock) {
        options.unshift(
            (
                <div key={JoinRule.Knock} className="mx_JoinRuleDropdown_knock">
                    <AskToJoinIcon className="mx_Icon mx_Icon_16 mx_JoinRuleDropdown_icon" />
                    {labelKnock}
                </div>
            ) as ReactElement & { key: string },
        );
    }

    if (labelRestricted) {
        options.unshift(
            (
                <div key={JoinRule.Restricted} className="mx_JoinRuleDropdown_restricted">
                    {labelRestricted}
                </div>
            ) as ReactElement & { key: string },
        );
    }

    return (
        <Dropdown
            id="mx_JoinRuleDropdown"
            className="mx_JoinRuleDropdown"
            onOptionChange={onChange}
            menuWidth={width}
            value={value}
            label={label}
        >
            {options}
        </Dropdown>
    );
};

export default JoinRuleDropdown;