react-native/Libraries/Components/SegmentedControlIOS/SegmentedControlIOS.ios.js

114 lines
2.7 KiB
JavaScript

/**
* Copyright (c) 2015-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 SegmentedControlIOS
* @flow
*/
'use strict';
var NativeMethodsMixin = require('NativeMethodsMixin');
var NativeModules = require('NativeModules');
var PropTypes = require('ReactPropTypes');
var React = require('React');
var StyleSheet = require('StyleSheet');
var requireNativeComponent = require('requireNativeComponent');
type DefaultProps = {
values: Array<string>;
enabled: boolean;
};
var SEGMENTED_CONTROL_REFERENCE = 'segmentedcontrol';
type Event = Object;
/**
* Use `SegmentedControlIOS` to render a UISegmentedControl iOS.
*/
var SegmentedControlIOS = React.createClass({
mixins: [NativeMethodsMixin],
propTypes: {
/**
* The labels for the control's segment buttons, in order.
*/
values: PropTypes.arrayOf(PropTypes.string),
/**
* The index in `props.values` of the segment to be pre-selected
*/
selectedIndex: PropTypes.number,
/**
* Callback that is called when the user taps a segment;
* passes the segment's value as an argument
*/
onValueChange: PropTypes.func,
/**
* Callback that is called when the user taps a segment;
* passes the event as an argument
*/
onChange: PropTypes.func,
/**
* If false the user won't be able to interact with the control.
* Default value is true.
*/
enabled: PropTypes.bool,
/**
* Accent color of the control.
*/
tintColor: PropTypes.string,
/**
* If true, then selecting a segment won't persist visually.
* The `onValueChange` callback will still work as expected.
*/
momentary: PropTypes.bool
},
getDefaultProps: function(): DefaultProps {
return {
values: [],
enabled: true
};
},
_onChange: function(event: Event) {
this.props.onChange && this.props.onChange(event);
this.props.onValueChange && this.props.onValueChange(event.nativeEvent.value);
},
render: function() {
return (
<RCTSegmentedControl
{...this.props}
ref={SEGMENTED_CONTROL_REFERENCE}
style={[styles.segmentedControl, this.props.style]}
onChange={this._onChange}
/>
);
}
});
var styles = StyleSheet.create({
segmentedControl: {
height: NativeModules.SegmentedControlManager.ComponentHeight
},
});
var RCTSegmentedControl = requireNativeComponent(
'RCTSegmentedControl',
SegmentedControlIOS
);
module.exports = SegmentedControlIOS;