GT2/GT2-iOS/node_modules/react-native/Libraries/Components/CheckBox/CheckBox.android.js

170 lines
4.3 KiB
JavaScript

/**
* Copyright (c) 2017-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule CheckBox
* @flow
* @format
*/
'use strict';
const NativeMethodsMixin = require('NativeMethodsMixin');
const PropTypes = require('prop-types');
const React = require('React');
const StyleSheet = require('StyleSheet');
const ViewPropTypes = require('ViewPropTypes');
const createReactClass = require('create-react-class');
const requireNativeComponent = require('requireNativeComponent');
type DefaultProps = {
value: boolean,
disabled: boolean,
};
/**
* Renders a boolean input (Android only).
*
* This is a controlled component that requires an `onValueChange` callback that
* updates the `value` prop in order for the component to reflect user actions.
* If the `value` prop is not updated, the component will continue to render
* the supplied `value` prop instead of the expected result of any user actions.
*
* ```
* import React from 'react';
* import { AppRegistry, StyleSheet, Text, View, CheckBox } from 'react-native';
*
* export default class App extends React.Component {
* constructor(props) {
* super(props);
* this.state = {
* checked: false
* }
* }
*
* toggle() {
* this.setState(({checked}) => {
* return {
* checked: !checked
* };
* });
* }
*
* render() {
* const {checked} = this.state;
* return (
* <View style={styles.container}>
* <Text>Checked</Text>
* <CheckBox value={checked} onChange={this.toggle.bind(this)} />
* </View>
* );
* }
* }
*
* const styles = StyleSheet.create({
* container: {
* flex: 1,
* flexDirection: 'row',
* alignItems: 'center',
* justifyContent: 'center',
* },
* });
*
* // skip this line if using Create React Native App
* AppRegistry.registerComponent('App', () => App);
* ```
*
* @keyword checkbox
* @keyword toggle
*/
let CheckBox = createReactClass({
displayName: 'CheckBox',
propTypes: {
...ViewPropTypes,
/**
* The value of the checkbox. If true the checkbox will be turned on.
* Default value is false.
*/
value: PropTypes.bool,
/**
* If true the user won't be able to toggle the checkbox.
* Default value is false.
*/
disabled: PropTypes.bool,
/**
* Used in case the props change removes the component.
*/
onChange: PropTypes.func,
/**
* Invoked with the new value when the value changes.
*/
onValueChange: PropTypes.func,
/**
* Used to locate this view in end-to-end tests.
*/
testID: PropTypes.string,
},
getDefaultProps: function(): DefaultProps {
return {
value: false,
disabled: false,
};
},
mixins: [NativeMethodsMixin],
_rctCheckBox: {},
_onChange: function(event: Object) {
this._rctCheckBox.setNativeProps({value: this.props.value});
// Change the props after the native props are set in case the props
// change removes the component
this.props.onChange && this.props.onChange(event);
this.props.onValueChange &&
this.props.onValueChange(event.nativeEvent.value);
},
render: function() {
let props = {...this.props};
props.onStartShouldSetResponder = () => true;
props.onResponderTerminationRequest = () => false;
props.enabled = !this.props.disabled;
props.on = this.props.value;
props.style = [styles.rctCheckBox, this.props.style];
return (
<RCTCheckBox
{...props}
ref={ref => {
/* $FlowFixMe(>=0.53.0 site=react_native_fb,react_native_oss) This
* comment suppresses an error when upgrading Flow's support for
* React. To see the error delete this comment and run Flow. */
this._rctCheckBox = ref;
}}
onChange={this._onChange}
/>
);
},
});
let styles = StyleSheet.create({
rctCheckBox: {
height: 32,
width: 32,
},
});
let RCTCheckBox = requireNativeComponent('AndroidCheckBox', CheckBox, {
nativeOnly: {
onChange: true,
on: true,
enabled: true,
},
});
module.exports = CheckBox;