react-native-macos
Version:
[Microsoft Fork] A framework for building native apps using React
385 lines (361 loc) • 9.42 kB
JavaScript
/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow
*/
'use strict';
const React = require('react');
const {
Animated,
Image,
Platform,
TouchableHighlight,
StyleSheet,
Switch,
Text,
TextInput,
View,
} = require('react-native');
export type Item = {
title: string,
text: string,
key: string,
pressed: boolean,
noImage?: ?boolean,
};
function genItemData(count: number, start: number = 0): Array<Item> {
const dataBlob = [];
for (let ii = start; ii < count + start; ii++) {
const itemHash = Math.abs(hashCode('Item ' + ii));
dataBlob.push({
title: 'Item ' + ii,
text: LOREM_IPSUM.substr(0, (itemHash % 301) + 20),
key: String(ii),
pressed: false,
});
}
return dataBlob;
}
const HORIZ_WIDTH = 200;
const ITEM_HEIGHT = 72;
class ItemComponent extends React.PureComponent<{
fixedHeight?: ?boolean,
horizontal?: ?boolean,
isSelected?: ?boolean,
item: Item,
onPress: (key: string) => void,
onShowUnderlay?: () => void,
onHideUnderlay?: () => void,
}> {
_onPress = () => {
this.props.onPress(this.props.item.key);
};
render() {
const {fixedHeight, horizontal, item} = this.props;
const itemHash = Math.abs(hashCode(item.title));
const imgSource = THUMB_URLS[itemHash % THUMB_URLS.length];
const rowStyle = this.props.isSelected ? styles.selectedRow : styles.row;
return (
<TouchableHighlight
onPress={this._onPress}
onShowUnderlay={this.props.onShowUnderlay}
onHideUnderlay={this.props.onHideUnderlay}
tvParallaxProperties={{
pressMagnification: 1.1,
}}
acceptsKeyboardFocus={false} // TODO(macOS ISS#2323203)
style={horizontal ? styles.horizItem : styles.item}>
<View
style={[
rowStyle,
horizontal && {width: HORIZ_WIDTH},
fixedHeight && {height: ITEM_HEIGHT},
]}>
{!item.noImage && <Image style={styles.thumb} source={imgSource} />}
<Text
style={styles.text}
numberOfLines={horizontal || fixedHeight ? 3 : undefined}>
{item.title} - {item.text}
</Text>
</View>
</TouchableHighlight>
);
}
}
const renderStackedItem = ({item}: {item: Item}) => {
const itemHash = Math.abs(hashCode(item.title));
const imgSource = THUMB_URLS[itemHash % THUMB_URLS.length];
return (
<View style={styles.stacked}>
<Text style={styles.stackedText}>
{item.title} - {item.text}
</Text>
<Image style={styles.thumb} source={imgSource} />
</View>
);
};
class FooterComponent extends React.PureComponent<{}> {
render() {
return (
<View style={styles.headerFooterContainer}>
<SeparatorComponent />
<View style={styles.headerFooter}>
<Text>LIST FOOTER</Text>
</View>
</View>
);
}
}
class HeaderComponent extends React.PureComponent<{}> {
render() {
return (
<View style={styles.headerFooterContainer}>
<View style={styles.headerFooter}>
<Text>LIST HEADER</Text>
</View>
<SeparatorComponent />
</View>
);
}
}
class ListEmptyComponent extends React.PureComponent<{}> {
render() {
return (
<View style={styles.listEmpty}>
<Text>The list is empty :o</Text>
</View>
);
}
}
class SeparatorComponent extends React.PureComponent<{}> {
render() {
return <View style={styles.separator} />;
}
}
class ItemSeparatorComponent extends React.PureComponent<$FlowFixMeProps> {
render() {
const style = this.props.highlighted
? [
styles.itemSeparator,
{marginLeft: 0, backgroundColor: 'rgb(217, 217, 217)'},
]
: styles.itemSeparator;
return <View style={style} />;
}
}
class Spindicator extends React.PureComponent<$FlowFixMeProps> {
render() {
return (
<Animated.View
style={[
styles.spindicator,
{
transform: [
{
rotate: this.props.value.interpolate({
inputRange: [0, 5000],
outputRange: ['0deg', '360deg'],
extrapolate: 'extend',
}),
},
],
},
]}
/>
);
}
}
const THUMB_URLS = [
require('./Thumbnails/like.png'),
require('./Thumbnails/dislike.png'),
require('./Thumbnails/call.png'),
require('./Thumbnails/fist.png'),
require('./Thumbnails/bandaged.png'),
require('./Thumbnails/flowers.png'),
require('./Thumbnails/heart.png'),
require('./Thumbnails/liking.png'),
require('./Thumbnails/party.png'),
require('./Thumbnails/poke.png'),
require('./Thumbnails/superlike.png'),
require('./Thumbnails/victory.png'),
];
const LOREM_IPSUM =
'Lorem ipsum dolor sit amet, ius ad pertinax oportere accommodare, an vix \
civibus corrumpit referrentur. Te nam case ludus inciderint, te mea facilisi adipiscing. Sea id \
integre luptatum. In tota sale consequuntur nec. Erat ocurreret mei ei. Eu paulo sapientem \
vulputate est, vel an accusam intellegam interesset. Nam eu stet pericula reprimique, ea vim illud \
modus, putant invidunt reprehendunt ne qui.';
/* eslint no-bitwise: 0 */
function hashCode(str: string): number {
let hash = 15;
for (let ii = str.length - 1; ii >= 0; ii--) {
hash = (hash << 5) - hash + str.charCodeAt(ii);
}
return hash;
}
const HEADER = {height: 30, width: 100};
const SEPARATOR_HEIGHT = StyleSheet.hairlineWidth;
function getItemLayout(data: any, index: number, horizontal?: boolean) {
const [length, separator, header] = horizontal
? [HORIZ_WIDTH, 0, HEADER.width]
: [ITEM_HEIGHT, SEPARATOR_HEIGHT, HEADER.height];
return {length, offset: (length + separator) * index + header, index};
}
function pressItem(context: Object, key: string) {
const index = Number(key);
const pressed = !context.state.data[index].pressed;
context.setState(state => {
const newData = [...state.data];
newData[index] = {
...state.data[index],
pressed,
title: 'Item ' + key + (pressed ? ' (pressed)' : ''),
};
return {data: newData};
});
}
function renderSmallSwitchOption(context: Object, key: string) {
if (Platform.isTV) {
return null;
}
return (
<View style={styles.option}>
<Text>{key}:</Text>
<Switch
style={styles.smallSwitch}
value={context.state[key]}
onValueChange={value => context.setState({[key]: value})}
/>
</View>
);
}
function PlainInput(props: Object) {
return (
<TextInput
autoCapitalize="none"
autoCorrect={false}
clearButtonMode="always"
underlineColorAndroid="transparent"
style={styles.searchTextInput}
{...props}
/>
);
}
const styles = StyleSheet.create({
headerFooter: {
...HEADER,
alignSelf: 'center',
alignItems: 'center',
justifyContent: 'center',
},
headerFooterContainer: {
backgroundColor: 'rgb(239, 239, 244)',
},
listEmpty: {
alignItems: 'center',
justifyContent: 'center',
flexGrow: 1,
},
horizItem: {
alignSelf: 'flex-start', // Necessary for touch highlight
},
item: {
flex: 1,
},
itemSeparator: {
height: SEPARATOR_HEIGHT,
backgroundColor: 'rgb(200, 199, 204)',
marginLeft: 60,
},
option: {
flexDirection: 'row',
padding: 8,
paddingRight: 0,
},
row: {
flexDirection: 'row',
padding: 10,
backgroundColor: 'white',
},
selectedRow: {
flexDirection: 'row',
padding: 10,
backgroundColor: '#DDECF8',
},
searchTextInput: {
backgroundColor: 'white',
borderColor: '#cccccc',
borderRadius: 3,
borderWidth: 1,
paddingLeft: 8,
paddingVertical: 0,
height: 26,
fontSize: 14,
flexGrow: 1,
},
separator: {
height: SEPARATOR_HEIGHT,
backgroundColor: 'rgb(200, 199, 204)',
},
smallSwitch: Platform.select({
android: {
top: 1,
margin: -6,
transform: [{scale: 0.7}],
},
ios: {
top: 4,
margin: -10,
transform: [{scale: 0.5}],
},
macos: {
top: 4,
left: 12,
margin: -10,
transform: [{scale: 0.5}],
},
}),
stacked: {
alignItems: 'center',
backgroundColor: 'white',
padding: 10,
},
thumb: {
width: 50,
height: 50,
left: -5,
},
spindicator: {
marginLeft: 'auto',
marginTop: 8,
width: 2,
height: 16,
backgroundColor: 'darkgray',
},
stackedText: {
padding: 4,
fontSize: 18,
},
text: {
flex: 1,
},
});
module.exports = {
FooterComponent,
HeaderComponent,
ListEmptyComponent,
ItemComponent,
ItemSeparatorComponent,
PlainInput,
SeparatorComponent,
Spindicator,
genItemData,
getItemLayout,
pressItem,
renderSmallSwitchOption,
renderStackedItem,
};