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- import * as React from 'react';
- import {withTheme} from 'react-native-paper';
- import TabIcon from "./TabIcon";
- import TabHomeIcon from "./TabHomeIcon";
- import {Animated} from 'react-native';
- import {Collapsible} from "react-navigation-collapsible";
-
- type Props = {
- state: Object,
- descriptors: Object,
- navigation: Object,
- theme: Object,
- collapsibleStack: Object,
- }
-
- type State = {
- translateY: AnimatedValue,
- barSynced: boolean,
- }
-
- const TAB_ICONS = {
- proxiwash: 'tshirt-crew',
- services: 'account-circle',
- planning: 'calendar-range',
- planex: 'clock',
- };
-
- class CustomTabBar extends React.Component<Props, State> {
-
- static TAB_BAR_HEIGHT = 48;
-
- state = {
- translateY: new Animated.Value(0),
- }
-
- syncTabBar = (route, index) => {
- const state = this.props.state;
- const isFocused = state.index === index;
- if (isFocused) {
- const stackState = route.state;
- const stackRoute = stackState ? stackState.routes[stackState.index] : undefined;
- const params: { collapsible: Collapsible } = stackRoute ? stackRoute.params : undefined;
- const collapsible = params ? params.collapsible : undefined;
- if (collapsible) {
- this.setState({
- translateY: Animated.multiply(-1.5, collapsible.translateY), // Hide tab bar faster than header bar
- });
- }
- }
- };
-
- /**
- * 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: Object, currentIndex: number, destIndex: number) {
- const event = this.props.navigation.emit({
- type: 'tabPress',
- target: route.key,
- canPreventDefault: true,
- });
- if (currentIndex !== destIndex && !event.defaultPrevented)
- this.props.navigation.navigate(route.name);
- }
-
- /**
- * Navigates to tetris screen on home button long press
- *
- * @param route
- */
- onItemLongPress(route: Object) {
- const event = this.props.navigation.emit({
- type: 'tabLongPress',
- target: route.key,
- canPreventDefault: true,
- });
- if (route.name === "home" && !event.defaultPrevented)
- this.props.navigation.navigate('tetris');
- }
-
- /**
- * 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}
- */
- tabBarIcon = (route, focused) => {
- let icon = TAB_ICONS[route.name];
- icon = focused ? icon : icon + ('-outline');
- if (route.name !== "home")
- return icon;
- else
- return null;
- };
-
- /**
- * Finds the active route and syncs the tab bar animation with the header bar
- */
- onRouteChange = () => {
- this.props.state.routes.map(this.syncTabBar)
- }
-
- /**
- * 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 {*}
- */
- renderIcon = (route, index) => {
- const state = this.props.state;
- const {options} = this.props.descriptors[route.key];
- const label =
- options.tabBarLabel != null
- ? options.tabBarLabel
- : options.title != null
- ? options.title
- : route.name;
-
- const onPress = () => this.onItemPress(route, state.index, index);
- const onLongPress = () => this.onItemLongPress(route);
- const isFocused = state.index === index;
-
- const color = isFocused ? this.props.theme.colors.primary : this.props.theme.colors.tabIcon;
- if (route.name !== "home") {
- return <TabIcon
- onPress={onPress}
- onLongPress={onLongPress}
- icon={this.tabBarIcon(route, isFocused)}
- color={color}
- label={label}
- focused={isFocused}
- extraData={state.index > index}
- key={route.key}
- />
- } else
- return <TabHomeIcon
- onPress={onPress}
- onLongPress={onLongPress}
- focused={isFocused}
- key={route.key}
- tabBarHeight={CustomTabBar.TAB_BAR_HEIGHT}
- />
- };
-
- getIcons() {
- return this.props.state.routes.map(this.renderIcon);
- }
-
- render() {
- this.props.navigation.addListener('state', this.onRouteChange);
- const icons = this.getIcons();
- return (
- <Animated.View
- useNativeDriver
- style={{
- flexDirection: 'row',
- height: CustomTabBar.TAB_BAR_HEIGHT,
- width: '100%',
- position: 'absolute',
- bottom: 0,
- left: 0,
- backgroundColor: this.props.theme.colors.surface,
- transform: [{translateY: this.state.translateY}],
- }}
- >
- {icons}
- </Animated.View>
- );
- }
- }
-
- export default withTheme(CustomTabBar);
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