120 lines
2.9 KiB
JavaScript
120 lines
2.9 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule SwitchIOS
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* @flow
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*
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* This is a controlled component version of RCTSwitch.
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*/
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'use strict';
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var NativeMethodsMixin = require('NativeMethodsMixin');
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var PropTypes = require('ReactPropTypes');
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var React = require('React');
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var StyleSheet = require('StyleSheet');
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var requireNativeComponent = require('requireNativeComponent');
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var SWITCH = 'switch';
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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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type Event = Object;
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/**
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* Use `SwitchIOS` to render a boolean input on iOS. This is
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* a controlled component, so you must hook in to the `onValueChange` callback
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* and update the `value` prop in order for the component to update, otherwise
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* the user's change will be reverted immediately to reflect `props.value` as the
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* source of truth.
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*/
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var SwitchIOS = React.createClass({
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mixins: [NativeMethodsMixin],
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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: 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: PropTypes.bool,
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/**
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* Callback that is called when the user toggles the switch.
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*/
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onValueChange: PropTypes.func,
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/**
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* Background color when the switch is turned on.
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*/
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onTintColor: PropTypes.string,
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/**
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* Background color for the switch round button.
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*/
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thumbTintColor: PropTypes.string,
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/**
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* Background color when the switch is turned off.
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*/
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tintColor: PropTypes.string,
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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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_onChange: function(event: Event) {
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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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this.refs[SWITCH].setNativeProps({value: this.props.value});
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if (this.props.value === event.nativeEvent.value || this.props.disabled) {
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return;
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}
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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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},
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render: function() {
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return (
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<RCTSwitch
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{...this.props}
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ref={SWITCH}
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onChange={this._onChange}
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style={[styles.rkSwitch, this.props.style]}
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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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rkSwitch: {
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height: 31,
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width: 51,
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},
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});
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var RCTSwitch = requireNativeComponent('RCTSwitch', SwitchIOS, {
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nativeOnly: { onChange: true }
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});
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module.exports = SwitchIOS;
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