104 lines
2.7 KiB
TypeScript
104 lines
2.7 KiB
TypeScript
/*
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* Copyright (c) 2019 - 2020 Arnaud Vergnet.
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*
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* This file is part of Campus INSAT.
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*
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* Campus INSAT is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Campus INSAT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Campus INSAT. If not, see <https://www.gnu.org/licenses/>.
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*/
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import React from 'react';
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import type { BottomTabBarProps } from '@react-navigation/bottom-tabs';
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import { Animated, StyleSheet } from 'react-native';
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import TabIcon from './TabIcon';
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import { useTheme } from 'react-native-paper';
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import { useCollapsible } from '../../utils/CollapsibleContext';
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export const TAB_BAR_HEIGHT = 50;
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function CustomTabBar(
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props: BottomTabBarProps<any> & {
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icons: {
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[key: string]: {
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normal: string;
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focused: string;
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};
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};
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labels: {
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[key: string]: string;
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};
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}
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) {
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const state = props.state;
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const theme = useTheme();
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const { collapsible } = useCollapsible();
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let translateY: number | Animated.AnimatedInterpolation = 0;
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if (collapsible) {
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translateY = Animated.multiply(-1.5, collapsible.translateY);
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}
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return (
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<Animated.View
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style={{
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...styles.bar,
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backgroundColor: theme.colors.surface,
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transform: [{ translateY: translateY }],
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}}
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>
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{state.routes.map(
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(
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route: {
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key: string;
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name: string;
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params?: object | undefined;
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},
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index: number
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) => {
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const iconData = props.icons[route.name];
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return (
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<TabIcon
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isMiddle={index === 2}
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onPress={() => props.navigation.navigate(route.name)}
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icon={iconData.normal}
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focusedIcon={iconData.focused}
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label={props.labels[route.name]}
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focused={state.index === index}
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key={route.key}
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/>
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);
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}
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)}
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</Animated.View>
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);
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}
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const styles = StyleSheet.create({
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bar: {
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flexDirection: 'row',
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width: '100%',
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height: 50,
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position: 'absolute',
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bottom: 0,
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left: 0,
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},
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});
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function areEqual(
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prevProps: BottomTabBarProps<any>,
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nextProps: BottomTabBarProps<any>
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) {
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return prevProps.state.index === nextProps.state.index;
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}
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export default React.memo(CustomTabBar, areEqual);
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