133 lines
3.2 KiB
JavaScript
133 lines
3.2 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 SegmentedControlIOS
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* @flow
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*/
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'use strict';
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var NativeMethodsMixin = require('NativeMethodsMixin');
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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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var PropTypes = React.PropTypes;
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type DefaultProps = {
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values: Array<string>,
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enabled: boolean,
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};
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var SEGMENTED_CONTROL_REFERENCE = 'segmentedcontrol';
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type Event = Object;
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/**
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* Use `SegmentedControlIOS` to render a UISegmentedControl iOS.
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*
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* #### Programmatically changing selected index
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*
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* The selected index can be changed on the fly by assigning the
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* selectIndex prop to a state variable, then changing that variable.
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* Note that the state variable would need to be updated as the user
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* selects a value and changes the index, as shown in the example below.
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*
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* ````
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* <SegmentedControlIOS
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* values={['One', 'Two']}
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* selectedIndex={this.state.selectedIndex}
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* onChange={(event) => {
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* this.setState({selectedIndex: event.nativeEvent.selectedSegmentIndex});
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* }}
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* />
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* ````
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*/
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var SegmentedControlIOS = React.createClass({
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mixins: [NativeMethodsMixin],
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propTypes: {
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...View.propTypes,
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/**
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* The labels for the control's segment buttons, in order.
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*/
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values: PropTypes.arrayOf(PropTypes.string),
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/**
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* The index in `props.values` of the segment to be (pre)selected.
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*/
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selectedIndex: PropTypes.number,
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/**
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* Callback that is called when the user taps a segment;
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* passes the segment's value as an argument
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*/
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onValueChange: PropTypes.func,
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/**
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* Callback that is called when the user taps a segment;
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* passes the event as an argument
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*/
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onChange: PropTypes.func,
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/**
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* If false the user won't be able to interact with the control.
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* Default value is true.
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*/
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enabled: PropTypes.bool,
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/**
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* Accent color of the control.
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*/
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tintColor: PropTypes.string,
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/**
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* If true, then selecting a segment won't persist visually.
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* The `onValueChange` callback will still work as expected.
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*/
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momentary: PropTypes.bool
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},
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getDefaultProps: function(): DefaultProps {
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return {
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values: [],
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enabled: true
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};
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},
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_onChange: function(event: Event) {
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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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<RCTSegmentedControl
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{...this.props}
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ref={SEGMENTED_CONTROL_REFERENCE}
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style={[styles.segmentedControl, this.props.style]}
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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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segmentedControl: {
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height: 28,
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},
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});
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var RCTSegmentedControl = requireNativeComponent(
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'RCTSegmentedControl',
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SegmentedControlIOS
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);
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module.exports = SegmentedControlIOS;
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