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- /*
- * Copyright (c) 2019 - 2020 Arnaud Vergnet.
- *
- * This file is part of Campus INSAT.
- *
- * Campus INSAT is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Campus INSAT is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Campus INSAT. If not, see <https://www.gnu.org/licenses/>.
- */
-
- import * as React from 'react';
- import {View, ViewStyle} from 'react-native';
- import {List, withTheme} from 'react-native-paper';
- import Collapsible from 'react-native-collapsible';
- import * as Animatable from 'react-native-animatable';
-
- type PropsType = {
- theme: ReactNativePaper.Theme;
- title: string;
- subtitle?: string;
- style: ViewStyle;
- left?: (props: {
- color: string;
- style?: {
- marginRight: number;
- marginVertical?: number;
- };
- }) => React.ReactNode;
- opened?: boolean;
- unmountWhenCollapsed?: boolean;
- children?: React.ReactNode;
- };
-
- type StateType = {
- expanded: boolean;
- };
-
- const AnimatedListIcon = Animatable.createAnimatableComponent(List.Icon);
-
- class AnimatedAccordion extends React.Component<PropsType, StateType> {
- chevronRef: {current: null | (typeof AnimatedListIcon & List.Icon)};
-
- chevronIcon: string;
-
- animStart: string;
-
- animEnd: string;
-
- constructor(props: PropsType) {
- super(props);
- this.chevronIcon = '';
- this.animStart = '';
- this.animEnd = '';
- this.state = {
- expanded: props.opened != null ? props.opened : false,
- };
- this.chevronRef = React.createRef();
- this.setupChevron();
- }
-
- shouldComponentUpdate(nextProps: PropsType): boolean {
- const {state, props} = this;
- if (nextProps.opened != null && nextProps.opened !== props.opened) {
- state.expanded = nextProps.opened;
- }
- return true;
- }
-
- setupChevron() {
- const {expanded} = this.state;
- if (expanded) {
- this.chevronIcon = 'chevron-up';
- this.animStart = '180deg';
- this.animEnd = '0deg';
- } else {
- this.chevronIcon = 'chevron-down';
- this.animStart = '0deg';
- this.animEnd = '180deg';
- }
- }
-
- toggleAccordion = () => {
- const {expanded} = this.state;
- if (this.chevronRef.current != null) {
- this.chevronRef.current.transitionTo({
- rotate: expanded ? this.animStart : this.animEnd,
- });
- this.setState((prevState: StateType): {expanded: boolean} => ({
- expanded: !prevState.expanded,
- }));
- }
- };
-
- render() {
- const {props, state} = this;
- const {colors} = props.theme;
- return (
- <View style={props.style}>
- <List.Item
- title={props.title}
- description={props.subtitle}
- titleStyle={state.expanded ? {color: colors.primary} : null}
- onPress={this.toggleAccordion}
- right={(iconProps) => (
- <AnimatedListIcon
- ref={this.chevronRef}
- style={iconProps.style}
- icon={this.chevronIcon}
- color={state.expanded ? colors.primary : iconProps.color}
- useNativeDriver
- />
- )}
- left={props.left}
- />
- <Collapsible collapsed={!state.expanded}>
- {!props.unmountWhenCollapsed ||
- (props.unmountWhenCollapsed && state.expanded)
- ? props.children
- : null}
- </Collapsible>
- </View>
- );
- }
- }
-
- export default withTheme(AnimatedAccordion);
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