MyCrypto/common/components/SubTabs/index.tsx

145 lines
3.5 KiB
TypeScript

import React from 'react';
import Select, { Option } from 'react-select';
import { NavLink, RouteComponentProps } from 'react-router-dom';
import './SubTabs.scss';
export interface Tab {
name: string | React.ReactElement<any>;
path: string;
disabled?: boolean;
redirect?: string;
}
interface OwnProps {
tabs: Tab[];
}
type Props = OwnProps & RouteComponentProps<{}>;
interface State {
tabsWidth: number;
isCollapsed: boolean;
}
export default class SubTabs extends React.PureComponent<Props, State> {
public state: State = {
tabsWidth: 0,
isCollapsed: false
};
private containerEl: HTMLDivElement | null;
private tabsEl: HTMLDivElement | null;
public componentDidMount() {
this.measureTabsWidth();
window.addEventListener('resize', this.handleResize);
}
public componentWillUnmount() {
window.removeEventListener('resize', this.handleResize);
}
public componentWillReceiveProps(nextProps: Props) {
// When new tabs come in, we'll need to uncollapse so that they can
// be measured and collapsed again, if needed.
if (this.props.tabs !== nextProps.tabs) {
this.setState({ isCollapsed: false });
}
}
public componentDidUpdate(prevProps: Props) {
// New tabs === new measurements
if (this.props.tabs !== prevProps.tabs) {
this.measureTabsWidth();
}
}
public render() {
const { tabs, match } = this.props;
const { isCollapsed } = this.state;
const basePath = match.url;
const currentPath = location.pathname;
let content: React.ReactElement<string>;
if (isCollapsed) {
const options = tabs.map(tab => ({
label: tab.name as string,
value: tab.path,
disabled: tab.disabled
}));
content = (
<div className="SubTabs-select">
<Select
options={options}
value={currentPath.split('/').pop()}
onChange={this.handleSelect}
searchable={false}
clearable={false}
/>
</div>
);
} else {
// All tabs visible navigation
content = (
<div className="SubTabs-tabs" ref={el => (this.tabsEl = el)}>
{tabs.map((t, i) => (
<SubTabLink tab={t} basePath={basePath} className="SubTabs-tabs-link" key={i} />
))}
</div>
);
}
return (
<div className="SubTabs" ref={el => (this.containerEl = el)}>
{content}
</div>
);
}
private handleSelect = ({ value }: Option) => {
this.props.history.push(`${this.props.match.url}/${value}`);
};
// Tabs become a dropdown if they would wrap
private handleResize = () => {
if (!this.containerEl) {
return;
}
this.setState({
isCollapsed: this.state.tabsWidth >= this.containerEl.offsetWidth
});
};
// Store the tab width for future
private measureTabsWidth = () => {
if (this.tabsEl) {
this.setState({ tabsWidth: this.tabsEl.offsetWidth }, () => {
this.handleResize();
});
} else {
// Briefly show, measure, collapse again still not enough room
this.setState({ isCollapsed: false }, this.measureTabsWidth);
}
};
}
interface SubTabLinkProps {
tab: Tab;
basePath: string;
className: string;
onClick?(ev: React.MouseEvent<HTMLAnchorElement>): void;
}
const SubTabLink: React.SFC<SubTabLinkProps> = ({ tab, className, basePath, onClick }) => (
<NavLink
className={`${className} ${tab.disabled ? 'is-disabled' : ''}`}
activeClassName="is-active"
to={basePath + '/' + tab.path}
onClick={onClick}
>
{tab.name}
</NavLink>
);