105 lines
3.1 KiB
TypeScript
105 lines
3.1 KiB
TypeScript
import React, { createRef } from 'react';
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import tw, { styled } from 'twin.macro';
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import Fade from '@/components/elements/Fade';
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interface Props {
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children: React.ReactNode;
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renderToggle: (onClick: (e: React.MouseEvent<any, MouseEvent>) => void) => React.ReactChild;
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}
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export const DropdownButtonRow = styled.button<{ danger?: boolean }>`
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${tw`p-2 flex items-center rounded w-full text-neutral-500`};
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transition: 150ms all ease;
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&:hover {
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${props => props.danger ? tw`text-red-700 bg-red-100` : tw`text-neutral-700 bg-neutral-100`};
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}
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`;
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interface State {
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posX: number;
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visible: boolean;
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}
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class DropdownMenu extends React.PureComponent<Props, State> {
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menu = createRef<HTMLDivElement>();
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state: State = {
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posX: 0,
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visible: false,
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};
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componentWillUnmount () {
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this.removeListeners();
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}
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componentDidUpdate (prevProps: Readonly<Props>, prevState: Readonly<State>) {
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const menu = this.menu.current;
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if (this.state.visible && !prevState.visible && menu) {
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document.addEventListener('click', this.windowListener);
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document.addEventListener('contextmenu', this.contextMenuListener);
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menu.style.left = `${Math.round(this.state.posX - menu.clientWidth)}px`;
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}
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if (!this.state.visible && prevState.visible) {
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this.removeListeners();
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}
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}
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removeListeners = () => {
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document.removeEventListener('click', this.windowListener);
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document.removeEventListener('contextmenu', this.contextMenuListener);
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};
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onClickHandler = (e: React.MouseEvent<any, MouseEvent>) => {
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e.preventDefault();
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this.triggerMenu(e.clientX);
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};
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contextMenuListener = () => this.setState({ visible: false });
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windowListener = (e: MouseEvent) => {
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const menu = this.menu.current;
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if (e.button === 2 || !this.state.visible || !menu) {
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return;
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}
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if (e.target === menu || menu.contains(e.target as Node)) {
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return;
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}
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if (e.target !== menu && !menu.contains(e.target as Node)) {
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this.setState({ visible: false });
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}
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};
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triggerMenu = (posX: number) => this.setState(s => ({
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posX: !s.visible ? posX : s.posX,
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visible: !s.visible,
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}));
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render () {
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return (
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<div>
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{this.props.renderToggle(this.onClickHandler)}
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<Fade timeout={150} in={this.state.visible} unmountOnExit>
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<div
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ref={this.menu}
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onClick={e => {
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e.stopPropagation();
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this.setState({ visible: false });
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}}
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style={{ width: '12rem' }}
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css={tw`absolute bg-white p-2 rounded border border-neutral-700 shadow-lg text-neutral-500 z-50`}
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>
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{this.props.children}
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</div>
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</Fade>
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</div>
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);
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}
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}
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export default DropdownMenu;
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