vn-verdnaturachat/app/presentation/RoomItem/Touchable.js

217 lines
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JavaScript
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import React from 'react';
import PropTypes from 'prop-types';
import { Animated } from 'react-native';
import {
RectButton,
PanGestureHandler,
State
} from 'react-native-gesture-handler';
import styles, {
ACTION_WIDTH,
SMALL_SWIPE,
LONG_SWIPE
} from './styles';
import { LeftActions, RightActions } from './Actions';
class Touchable extends React.Component {
static propTypes = {
type: PropTypes.string.isRequired,
onPress: PropTypes.func,
testID: PropTypes.string,
width: PropTypes.number,
favorite: PropTypes.bool,
isRead: PropTypes.bool,
rid: PropTypes.string,
toggleFav: PropTypes.func,
toggleRead: PropTypes.func,
hideChannel: PropTypes.func,
children: PropTypes.element
}
constructor(props) {
super(props);
this.dragX = new Animated.Value(0);
this.rowOffSet = new Animated.Value(0);
this.transX = Animated.add(
this.rowOffSet,
this.dragX
);
this.state = {
rowState: 0 // 0: closed, 1: right opened, -1: left opened
};
this._onGestureEvent = Animated.event(
[{ nativeEvent: { translationX: this.dragX } }]
);
this._value = 0;
}
_onHandlerStateChange = ({ nativeEvent }) => {
if (nativeEvent.oldState === State.ACTIVE) {
this._handleRelease(nativeEvent);
}
}
_handleRelease = (nativeEvent) => {
const { translationX } = nativeEvent;
const { rowState } = this.state;
this._value = this._value + translationX;
let toValue = 0;
if (rowState === 0) { // if no option is opened
if (translationX > 0 && translationX < LONG_SWIPE) {
toValue = ACTION_WIDTH; // open left option if he swipe right but not enough to trigger action
this.setState({ rowState: -1 });
} else if (translationX >= LONG_SWIPE) {
toValue = 0;
this.toggleRead();
} else if (translationX < 0 && translationX > -LONG_SWIPE) {
toValue = -2 * ACTION_WIDTH; // open right option if he swipe left
this.setState({ rowState: 1 });
} else if (translationX <= -LONG_SWIPE) {
toValue = 0;
this.setState({ rowState: 0 });
this.hideChannel();
} else {
toValue = 0;
}
}
if (rowState === -1) { // if left option is opened
if (this._value < SMALL_SWIPE) {
toValue = 0;
this.setState({ rowState: 0 });
} else if (this._value > LONG_SWIPE) {
toValue = 0;
this.setState({ rowState: 0 });
this.toggleRead();
} else {
toValue = ACTION_WIDTH;
}
}
if (rowState === 1) { // if right option is opened
if (this._value > -2 * SMALL_SWIPE) {
toValue = 0;
this.setState({ rowState: 0 });
} else if (this._value < -LONG_SWIPE) {
toValue = 0;
this.setState({ rowState: 0 });
this.hideChannel();
} else {
toValue = -2 * ACTION_WIDTH;
}
}
this._animateRow(toValue);
}
_animateRow = (toValue) => {
this.rowOffSet.setValue(this._value);
this._value = toValue;
this.dragX.setValue(0);
Animated.spring(this.rowOffSet, {
toValue,
bounciness: 0,
useNativeDriver: true
}).start();
}
close = () => {
this.setState({ rowState: 0 });
this._animateRow(0);
}
toggleFav = () => {
const { toggleFav, rid, favorite } = this.props;
if (toggleFav) {
toggleFav(rid, favorite);
}
this.close();
};
toggleRead = () => {
const { toggleRead, rid, isRead } = this.props;
if (toggleRead) {
toggleRead(rid, isRead);
}
};
hideChannel = () => {
const { hideChannel, rid, type } = this.props;
if (hideChannel) {
hideChannel(rid, type);
}
};
onToggleReadPress = () => {
this.toggleRead();
this.close();
};
onHidePress = () => {
this.hideChannel();
this.close();
};
onPress = () => {
const { rowState } = this.state;
if (rowState !== 0) {
this.close();
return;
}
const { onPress } = this.props;
if (onPress) {
onPress();
}
};
render() {
const {
testID, isRead, width, favorite, children
} = this.props;
return (
<PanGestureHandler
minDeltaX={20}
onGestureEvent={this._onGestureEvent}
onHandlerStateChange={this._onHandlerStateChange}
>
<Animated.View>
<LeftActions
transX={this.transX}
isRead={isRead}
width={width}
onToggleReadPress={this.onToggleReadPress}
/>
<RightActions
transX={this.transX}
favorite={favorite}
width={width}
toggleFav={this.toggleFav}
onHidePress={this.onHidePress}
/>
<Animated.View
style={{
transform: [{ translateX: this.transX }]
}}
>
<RectButton
onPress={this.onPress}
activeOpacity={0.8}
underlayColor='#e1e5e8'
testID={testID}
style={styles.button}
>
{children}
</RectButton>
</Animated.View>
</Animated.View>
</PanGestureHandler>
);
}
}
export default Touchable;