100 lines
2.7 KiB
JavaScript
100 lines
2.7 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 TabBarItemIOS
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*/
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'use strict';
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var Image = require('Image');
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var React = require('React');
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var ReactIOSViewAttributes = require('ReactIOSViewAttributes');
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var Dimensions = require('Dimensions');
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var StaticContainer = require('StaticContainer.react');
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var StyleSheet = require('StyleSheet');
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var View = require('View');
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var createReactIOSNativeComponentClass = require('createReactIOSNativeComponentClass');
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var merge = require('merge');
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var TabBarItemIOS = React.createClass({
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propTypes: {
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icon: Image.propTypes.source.isRequired,
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onPress: React.PropTypes.func.isRequired,
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selected: React.PropTypes.bool.isRequired,
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badgeValue: React.PropTypes.string,
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title: React.PropTypes.string,
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style: View.propTypes.style,
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},
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getInitialState: function() {
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return {
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hasBeenSelected: false,
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};
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},
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componentWillMount: function() {
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if (this.props.selected) {
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this.setState({hasBeenSelected: true});
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}
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},
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componentWillReceiveProps: function(nextProps) {
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if (this.state.hasBeenSelected || nextProps.selected) {
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this.setState({hasBeenSelected: true});
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}
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},
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render: function() {
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var tabContents = null;
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// if the tab has already been shown once, always continue to show it so we
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// preserve state between tab transitions
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if (this.state.hasBeenSelected) {
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tabContents =
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<StaticContainer shouldUpdate={this.props.selected}>
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{this.props.children}
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</StaticContainer>;
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} else {
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tabContents = <View />;
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}
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return (
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<RCTTabBarItem
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icon={this.props.icon.uri}
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selectedIcon={this.props.selectedIcon && this.props.selectedIcon.uri}
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onPress={this.props.onPress}
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selected={this.props.selected}
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badgeValue={this.props.badgeValue}
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title={this.props.title}
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style={[styles.tab, this.props.style]}>
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{tabContents}
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</RCTTabBarItem>
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);
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}
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});
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var styles = StyleSheet.create({
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tab: {
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position: 'absolute',
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width: Dimensions.get('window').width,
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height: Dimensions.get('window').height,
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}
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});
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var RCTTabBarItem = createReactIOSNativeComponentClass({
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validAttributes: merge(ReactIOSViewAttributes.UIView, {
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title: true,
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icon: true,
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selectedIcon: true,
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selected: true,
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badgeValue: true,
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}),
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uiViewClassName: 'RCTTabBarItem',
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});
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module.exports = TabBarItemIOS;
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