126 строки
3.3 KiB
JavaScript
126 строки
3.3 KiB
JavaScript
/**
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* Copyright (c) 2017-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 CheckBox
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* @flow
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* @format
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*/
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'use strict';
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const NativeMethodsMixin = require('NativeMethodsMixin');
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const PropTypes = require('prop-types');
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const React = require('React');
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const StyleSheet = require('StyleSheet');
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const ViewPropTypes = require('ViewPropTypes');
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const createReactClass = require('create-react-class');
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const 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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* Renders a boolean input (Android only).
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*
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* This is a controlled component that requires an `onValueChange` callback that
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* updates the `value` prop in order for the component to reflect user actions.
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* If the `value` prop is not updated, the component will continue to render
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* the supplied `value` prop instead of the expected result of any user actions.
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*
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* @keyword checkbox
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* @keyword toggle
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*/
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let CheckBox = createReactClass({
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displayName: 'CheckBox',
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propTypes: {
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...ViewPropTypes,
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/**
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* The value of the checkbox. If true the checkbox 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 checkbox.
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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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* Used in case the props change removes the component.
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*/
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onChange: PropTypes.func,
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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: 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: 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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mixins: [NativeMethodsMixin],
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_rctCheckBox: {},
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_onChange: function(event: Object) {
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this._rctCheckBox.setNativeProps({value: this.props.value});
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// Change the props after the native props are set in case the props
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// change removes the component
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this.props.onChange && this.props.onChange(event);
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this.props.onValueChange &&
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this.props.onValueChange(event.nativeEvent.value);
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},
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render: function() {
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let props = {...this.props};
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props.onStartShouldSetResponder = () => true;
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props.onResponderTerminationRequest = () => false;
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props.enabled = !this.props.disabled;
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props.on = this.props.value;
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props.style = [styles.rctCheckBox, this.props.style];
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return (
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<RCTCheckBox
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{...props}
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ref={ref => {
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/* $FlowFixMe(>=0.53.0 site=react_native_fb,react_native_oss) This
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* comment suppresses an error when upgrading Flow's support for
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* React. To see the error delete this comment and run Flow. */
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this._rctCheckBox = ref;
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}}
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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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let styles = StyleSheet.create({
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rctCheckBox: {
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height: 32,
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width: 32,
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},
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});
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let RCTCheckBox = requireNativeComponent('AndroidCheckBox', CheckBox, {
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nativeOnly: {
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onChange: true,
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on: true,
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enabled: true,
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},
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});
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module.exports = CheckBox;
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