127 lines
3.1 KiB
JavaScript
127 lines
3.1 KiB
JavaScript
/**
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* Copyright 2004-present Facebook. All Rights Reserved.
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*
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* @providesModule Switch
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* @flow
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*/
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'use strict';
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var ColorPropType = require('ColorPropType');
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var NativeMethodsMixin = require('NativeMethodsMixin');
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var Platform = require('Platform');
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var React = require('React');
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var StyleSheet = require('StyleSheet');
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var View = require('View');
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var requireNativeComponent = require('requireNativeComponent');
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type DefaultProps = {
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value: boolean;
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disabled: boolean;
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};
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/**
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* Universal two-state toggle component.
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*/
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var Switch = React.createClass({
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propTypes: {
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...View.propTypes,
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/**
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* The value of the switch. If true the switch will be turned on.
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* Default value is false.
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*/
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value: React.PropTypes.bool,
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/**
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* If true the user won't be able to toggle the switch.
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* Default value is false.
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*/
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disabled: React.PropTypes.bool,
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/**
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* Invoked with the new value when the value changes.
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*/
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onValueChange: React.PropTypes.func,
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/**
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* Used to locate this view in end-to-end tests.
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*/
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testID: React.PropTypes.string,
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/**
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* Background color when the switch is turned off.
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* @platform ios
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*/
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tintColor: ColorPropType,
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/**
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* Background color when the switch is turned on.
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* @platform ios
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*/
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onTintColor: ColorPropType,
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/**
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* Color of the foreground switch grip.
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* @platform ios
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*/
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thumbTintColor: ColorPropType,
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},
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getDefaultProps: function(): DefaultProps {
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return {
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value: false,
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disabled: false,
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};
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},
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mixins: [NativeMethodsMixin],
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_rctSwitch: {},
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_onChange: function(event: Object) {
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this.props.onChange && this.props.onChange(event);
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this.props.onValueChange && this.props.onValueChange(event.nativeEvent.value);
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// The underlying switch might have changed, but we're controlled,
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// and so want to ensure it represents our value.
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if (Platform.OS === 'android') {
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this._rctSwitch.setNativeProps({on: this.props.value});
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} else {
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this._rctSwitch.setNativeProps({value: this.props.value});
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}
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},
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render: function() {
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var props = {...this.props};
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props.onStartShouldSetResponder = () => true;
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props.onResponderTerminationRequest = () => false;
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if (Platform.OS === 'android') {
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props.enabled = !this.props.disabled;
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props.on = this.props.value;
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props.style = this.props.style;
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} else if (Platform.OS === 'ios') {
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props.style = [styles.rctSwitchIOS, this.props.style];
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}
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return (
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<RCTSwitch
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{...props}
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ref={(ref) => { this._rctSwitch = ref; }}
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onChange={this._onChange}
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/>
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);
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},
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});
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var styles = StyleSheet.create({
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rctSwitchIOS: {
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height: 31,
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width: 51,
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}
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});
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if (Platform.OS === 'android') {
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var RCTSwitch = requireNativeComponent('AndroidSwitch', Switch, {
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nativeOnly: { onChange: true, on: true, enabled: true }
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});
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} else {
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var RCTSwitch = requireNativeComponent('RCTSwitch', Switch, {
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nativeOnly: { onChange: true }
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});
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}
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module.exports = Switch;
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