137 lines
4 KiB
TypeScript
137 lines
4 KiB
TypeScript
/*
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Copyright 2017 Travis Ralston
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Copyright 2019 New Vector Ltd
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Copyright 2019, 2020 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 * as React from "react";
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import {_t} from '../../languageHandler';
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import * as PropTypes from "prop-types";
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import * as sdk from "../../index";
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import AutoHideScrollbar from './AutoHideScrollbar';
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import { ReactNode } from "react";
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/**
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* Represents a tab for the TabbedView.
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*/
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export class Tab {
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public label: string;
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public icon: string;
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public body: React.ReactNode;
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/**
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* Creates a new tab.
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* @param {string} tabLabel The untranslated tab label.
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* @param {string} tabIconClass The class for the tab icon. This should be a simple mask.
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* @param {React.ReactNode} tabJsx The JSX for the tab container.
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*/
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constructor(tabLabel: string, tabIconClass: string, tabJsx: React.ReactNode) {
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this.label = tabLabel;
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this.icon = tabIconClass;
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this.body = tabJsx;
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}
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}
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interface IProps {
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tabs: Tab[];
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}
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interface IState {
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activeTabIndex: number;
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}
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export default class TabbedView extends React.Component<IProps, IState> {
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static propTypes = {
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// The tabs to show
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tabs: PropTypes.arrayOf(PropTypes.instanceOf(Tab)).isRequired,
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};
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constructor(props: IProps) {
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super(props);
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this.state = {
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activeTabIndex: 0,
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};
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}
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private _getActiveTabIndex() {
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if (!this.state || !this.state.activeTabIndex) return 0;
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return this.state.activeTabIndex;
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}
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/**
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* Shows the given tab
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* @param {Tab} tab the tab to show
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* @private
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*/
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private _setActiveTab(tab: Tab) {
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const idx = this.props.tabs.indexOf(tab);
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if (idx !== -1) {
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this.setState({activeTabIndex: idx});
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} else {
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console.error("Could not find tab " + tab.label + " in tabs");
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}
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}
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private _renderTabLabel(tab: Tab) {
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const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
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let classes = "mx_TabbedView_tabLabel ";
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const idx = this.props.tabs.indexOf(tab);
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if (idx === this._getActiveTabIndex()) classes += "mx_TabbedView_tabLabel_active";
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let tabIcon = null;
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if (tab.icon) {
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tabIcon = <span className={`mx_TabbedView_maskedIcon ${tab.icon}`} />;
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}
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const onClickHandler = () => this._setActiveTab(tab);
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const label = _t(tab.label);
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return (
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<AccessibleButton className={classes} key={"tab_label_" + tab.label} onClick={onClickHandler}>
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{tabIcon}
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<span className="mx_TabbedView_tabLabel_text">
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{ label }
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</span>
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</AccessibleButton>
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);
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}
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private _renderTabPanel(tab: Tab): React.ReactNode {
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return (
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<div className="mx_TabbedView_tabPanel" key={"mx_tabpanel_" + tab.label}>
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<AutoHideScrollbar className='mx_TabbedView_tabPanelContent'>
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{tab.body}
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</AutoHideScrollbar>
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</div>
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);
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}
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public render(): React.ReactNode {
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const labels = this.props.tabs.map(tab => this._renderTabLabel(tab));
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const panel = this._renderTabPanel(this.props.tabs[this._getActiveTabIndex()]);
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return (
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<div className="mx_TabbedView">
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<div className="mx_TabbedView_tabLabels">
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{labels}
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</div>
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{panel}
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</div>
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);
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}
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}
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