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- // @flow
-
- import * as React from 'react';
- import {withTheme} from 'react-native-paper';
- import Animated from 'react-native-reanimated';
- import {Collapsible} from 'react-navigation-collapsible';
- import {StackNavigationProp} from '@react-navigation/stack';
- import TabIcon from './TabIcon';
- import TabHomeIcon from './TabHomeIcon';
- import type {CustomThemeType} from '../../managers/ThemeManager';
-
- type RouteType = {
- name: string,
- key: string,
- params: {collapsible: Collapsible},
- state: {
- index: number,
- routes: Array<RouteType>,
- },
- };
-
- type PropsType = {
- state: {
- index: number,
- routes: Array<RouteType>,
- },
- descriptors: {
- [key: string]: {
- options: {
- tabBarLabel: string,
- title: string,
- },
- },
- },
- navigation: StackNavigationProp,
- theme: CustomThemeType,
- };
-
- type StateType = {
- // eslint-disable-next-line flowtype/no-weak-types
- translateY: any,
- };
-
- const TAB_ICONS = {
- proxiwash: 'tshirt-crew',
- services: 'account-circle',
- planning: 'calendar-range',
- planex: 'clock',
- };
-
- class CustomTabBar extends React.Component<PropsType, StateType> {
- static TAB_BAR_HEIGHT = 48;
-
- constructor() {
- super();
- this.state = {
- translateY: new Animated.Value(0),
- };
- }
-
- /**
- * Navigates to the given route if it is different from the current one
- *
- * @param route Destination route
- * @param currentIndex The current route index
- * @param destIndex The destination route index
- */
- onItemPress(route: RouteType, currentIndex: number, destIndex: number) {
- const {navigation} = this.props;
- const event = navigation.emit({
- type: 'tabPress',
- target: route.key,
- canPreventDefault: true,
- });
- if (currentIndex !== destIndex && !event.defaultPrevented)
- navigation.navigate(route.name);
- }
-
- /**
- * Navigates to tetris screen on home button long press
- *
- * @param route
- */
- onItemLongPress(route: RouteType) {
- const {navigation} = this.props;
- const event = navigation.emit({
- type: 'tabLongPress',
- target: route.key,
- canPreventDefault: true,
- });
- if (route.name === 'home' && !event.defaultPrevented)
- navigation.navigate('game-start');
- }
-
- /**
- * Finds the active route and syncs the tab bar animation with the header bar
- */
- onRouteChange = () => {
- const {props} = this;
- props.state.routes.map(this.syncTabBar);
- };
-
- /**
- * Gets an icon for the given route if it is not the home one as it uses a custom button
- *
- * @param route
- * @param focused
- * @returns {null}
- */
- getTabBarIcon = (route: RouteType, focused: boolean): React.Node => {
- let icon = TAB_ICONS[route.name];
- icon = focused ? icon : `${icon}-outline`;
- if (route.name !== 'home') return icon;
- return null;
- };
-
- /**
- * Gets a tab icon render.
- * If the given route is focused, it syncs the tab bar and header bar animations together
- *
- * @param route The route for the icon
- * @param index The index of the current route
- * @returns {*}
- */
- getRenderIcon = (route: RouteType, index: number): React.Node => {
- const {props} = this;
- const {state} = props;
- const {options} = props.descriptors[route.key];
- let label;
- if (options.tabBarLabel != null) label = options.tabBarLabel;
- else if (options.title != null) label = options.title;
- else label = route.name;
-
- const onPress = () => {
- this.onItemPress(route, state.index, index);
- };
- const onLongPress = () => {
- this.onItemLongPress(route);
- };
- const isFocused = state.index === index;
-
- const color = isFocused
- ? props.theme.colors.primary
- : props.theme.colors.tabIcon;
- if (route.name !== 'home') {
- return (
- <TabIcon
- onPress={onPress}
- onLongPress={onLongPress}
- icon={this.getTabBarIcon(route, isFocused)}
- color={color}
- label={label}
- focused={isFocused}
- extraData={state.index > index}
- key={route.key}
- />
- );
- }
- return (
- <TabHomeIcon
- onPress={onPress}
- onLongPress={onLongPress}
- focused={isFocused}
- key={route.key}
- tabBarHeight={CustomTabBar.TAB_BAR_HEIGHT}
- />
- );
- };
-
- getIcons(): React.Node {
- const {props} = this;
- return props.state.routes.map(this.getRenderIcon);
- }
-
- syncTabBar = (route: RouteType, index: number) => {
- const {state} = this.props;
- const isFocused = state.index === index;
- if (isFocused) {
- const stackState = route.state;
- const stackRoute =
- stackState != null ? stackState.routes[stackState.index] : null;
- const params: {collapsible: Collapsible} | null =
- stackRoute != null ? stackRoute.params : null;
- const collapsible = params != null ? params.collapsible : null;
- if (collapsible != null) {
- this.setState({
- translateY: Animated.multiply(-1.5, collapsible.translateY), // Hide tab bar faster than header bar
- });
- }
- }
- };
-
- render(): React.Node {
- const {props, state} = this;
- props.navigation.addListener('state', this.onRouteChange);
- const icons = this.getIcons();
- // $FlowFixMe
- return (
- <Animated.View
- useNativeDriver
- style={{
- flexDirection: 'row',
- height: CustomTabBar.TAB_BAR_HEIGHT,
- width: '100%',
- position: 'absolute',
- bottom: 0,
- left: 0,
- backgroundColor: props.theme.colors.surface,
- transform: [{translateY: state.translateY}],
- }}>
- {icons}
- </Animated.View>
- );
- }
- }
-
- export default withTheme(CustomTabBar);
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