react-native/Libraries/Components/Slider/Slider.js

84 lines
2.1 KiB
JavaScript

/**
* Copyright 2004-present Facebook. All Rights Reserved.
*
* @providesModule Slider
*/
'use strict';
var NativeMethodsMixin = require('NativeMethodsMixin');
var PropTypes = require('ReactPropTypes');
var React = require('React');
var ReactIOSViewAttributes = require('ReactIOSViewAttributes');
var StyleSheet = require('StyleSheet');
var View = require('View');
var createReactIOSNativeComponentClass =
require('createReactIOSNativeComponentClass');
var merge = require('merge');
var Slider = React.createClass({
mixins: [NativeMethodsMixin],
propTypes: {
/**
* Used to style and layout the `Slider`. See `StyleSheet.js` and
* `ViewStylePropTypes.js` for more info.
*/
style: View.propTypes.style,
/**
* Initial value of the slider. The value should be between 0 and 1.
* Default value is 0.
*
* *This is not a controlled component*, e.g. if you don't update
* the value, the component won't be reseted to it's inital value.
*/
value: PropTypes.number,
/**
* Callback continuously called while the user is dragging the slider.
*/
onValueChange: PropTypes.func,
/**
* Callback called when the user finishes changing the value (e.g. when
* the slider is released).
*/
onSlidingComplete: PropTypes.func,
},
_onValueChange: function(event) {
this.props.onChange && this.props.onChange(event);
if (event.nativeEvent.continuous) {
this.props.onValueChange &&
this.props.onValueChange(event.nativeEvent.value);
} else {
this.props.onSlidingComplete && event.nativeEvent.value !== undefined &&
this.props.onSlidingComplete(event.nativeEvent.value);
}
},
render: function() {
return (
<RKSlider
style={[styles.slider, this.props.style]}
value={this.props.value}
onChange={this._onValueChange}
/>
);
}
});
var styles = StyleSheet.create({
slider: {
height: 40,
},
});
var RKSlider = createReactIOSNativeComponentClass({
validAttributes: merge(ReactIOSViewAttributes.UIView, {value: true}),
uiViewClassName: 'RCTSlider',
});
module.exports = Slider;