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import * as React from 'react';
import { Component, Styles, View } from 'reactxp';
import styled from 'styled-components';
import { compareRelayLocation, RelayLocation } from '../../shared/daemon-rpc-types';
import Accordion from './Accordion';
import * as Cell from './Cell';
import ChevronButton from './ChevronButton';
import CityRow from './CityRow';
import RelayStatusIndicator from './RelayStatusIndicator';
type CityRowElement = React.ReactElement<CityRow['props']>;
interface IProps {
name: string;
hasActiveRelays: boolean;
location: RelayLocation;
selected: boolean;
expanded: boolean;
onSelect?: (location: RelayLocation) => void;
onExpand?: (location: RelayLocation, value: boolean) => void;
onWillExpand?: (locationRect: DOMRect, expandedContentHeight: number) => void;
onTransitionEnd?: () => void;
children?: CityRowElement | CityRowElement[];
}
const styles = {
container: Styles.createViewStyle({
flexDirection: 'column',
flex: 0,
}),
};
const Button = styled(Cell.CellButton)({
paddingRight: '16px',
// The actual padding is 22px except for the tick icon which has 18.
paddingLeft: '18px',
});
const StyledChevronButton = styled(ChevronButton)({
marginLeft: '18px',
});
export default class CountryRow extends Component<IProps> {
private buttonRef = React.createRef<HTMLButtonElement>();
public static compareProps(oldProps: IProps, nextProps: IProps) {
if (React.Children.count(oldProps.children) !== React.Children.count(nextProps.children)) {
return false;
}
if (
oldProps.name !== nextProps.name ||
oldProps.hasActiveRelays !== nextProps.hasActiveRelays ||
oldProps.selected !== nextProps.selected ||
oldProps.expanded !== nextProps.expanded ||
!compareRelayLocation(oldProps.location, nextProps.location)
) {
return false;
}
const currChildren = React.Children.toArray(oldProps.children || []) as CityRowElement[];
const nextChildren = React.Children.toArray(nextProps.children || []) as CityRowElement[];
for (let i = 0; i < currChildren.length; i++) {
const currChild = currChildren[i];
const nextChild = nextChildren[i];
if (!CityRow.compareProps(currChild.props, nextChild.props)) {
return false;
}
}
return true;
}
public shouldComponentUpdate(nextProps: IProps) {
return !CountryRow.compareProps(this.props, nextProps);
}
public render() {
const childrenArray = React.Children.toArray(this.props.children || []) as CityRowElement[];
const numChildren = childrenArray.length;
const onlyChild = numChildren === 1 ? childrenArray[0] : undefined;
const numOnlyChildChildren = onlyChild
? React.Children.count(onlyChild.props.children || [])
: 0;
const hasChildren = numChildren > 1 || numOnlyChildChildren > 1;
return (
<View style={styles.container}>
<Button
ref={this.buttonRef}
onClick={this.handleClick}
disabled={!this.props.hasActiveRelays}
selected={this.props.selected}>
<RelayStatusIndicator
active={this.props.hasActiveRelays}
selected={this.props.selected}
/>
<Cell.Label>{this.props.name}</Cell.Label>
{hasChildren ? (
<StyledChevronButton onClick={this.toggleCollapse} up={this.props.expanded} />
) : null}
</Button>
{hasChildren && (
<Accordion
expanded={this.props.expanded}
onWillExpand={this.onWillExpand}
onTransitionEnd={this.props.onTransitionEnd}
animationDuration={150}>
{this.props.children}
</Accordion>
)}
</View>
);
}
private toggleCollapse = (event: React.MouseEvent) => {
if (this.props.onExpand) {
this.props.onExpand(this.props.location, !this.props.expanded);
}
event.stopPropagation();
};
private handleClick = () => {
if (this.props.onSelect) {
this.props.onSelect(this.props.location);
}
};
private onWillExpand = (nextHeight: number) => {
const buttonRect = this.buttonRef.current?.getBoundingClientRect();
if (buttonRect) {
this.props.onWillExpand?.(buttonRect, nextHeight);
}
};
}
|
