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/** | |
* The examples provided by Facebook are for non-commercial testing and | |
* evaluation purposes only. | |
* | |
* Facebook reserves all rights not expressly granted. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL | |
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
*/ | |
'use strict'; | |
var React = require('react-native'); | |
var { | |
PixelRatio, | |
Navigator, | |
ScrollView, | |
StyleSheet, | |
Text, | |
TouchableHighlight, | |
TouchableOpacity, | |
View, | |
} = React; | |
var cssVar = require('cssVar'); | |
class NavButton extends React.Component { | |
render() { | |
return ( | |
<TouchableHighlight | |
style={styles.button} | |
underlayColor="#B5B5B5" | |
onPress={this.props.onPress}> | |
<Text style={styles.buttonText}>{this.props.text}</Text> | |
</TouchableHighlight> | |
); | |
} | |
} | |
var NavigationBarRouteMapper = { | |
LeftButton: function(route, navigator, index, navState) { | |
if (index === 0) { | |
return null; | |
} | |
var previousRoute = navState.routeStack[index - 1]; | |
return ( | |
<TouchableOpacity | |
onPress={() => navigator.pop()} | |
style={styles.navBarLeftButton}> | |
<Text style={[styles.navBarText, styles.navBarButtonText]}> | |
{previousRoute.title} | |
</Text> | |
</TouchableOpacity> | |
); | |
}, | |
RightButton: function(route, navigator, index, navState) { | |
return ( | |
<TouchableOpacity | |
onPress={() => navigator.push(newRandomRoute())} | |
style={styles.navBarRightButton}> | |
<Text style={[styles.navBarText, styles.navBarButtonText]}> | |
Next | |
</Text> | |
</TouchableOpacity> | |
); | |
}, | |
Title: function(route, navigator, index, navState) { | |
return ( | |
<Text style={[styles.navBarText, styles.navBarTitleText]}> | |
{route.title} [{index}] | |
</Text> | |
); | |
}, | |
}; | |
function newRandomRoute() { | |
return { | |
title: '#' + Math.ceil(Math.random() * 1000), | |
showNavigationBar: true, | |
}; | |
} | |
var NavigationBar = React.createClass({ | |
render: function () { | |
if (this.props.navState.routeStack.slice(-1)[0].showNavigationBar) { | |
console.log(`Showing ${this.props.navState.routeStack.slice(-1)[0].title}`); | |
return <Navigator.NavigationBar | |
{...this.props} | |
/> | |
} else { | |
console.log(`Hiding ${this.props.navState.routeStack.slice(-1)[0].title}`); | |
return null | |
} | |
} | |
}) | |
var NavigationBarSample = React.createClass({ | |
componentWillMount: function() { | |
var navigator = this.props.navigator; | |
var callback = (event) => { | |
console.log( | |
`NavigationBarSample : event ${event.type}`, | |
{ | |
route: JSON.stringify(event.data.route), | |
target: event.target, | |
type: event.type, | |
} | |
); | |
}; | |
// Observe focus change events from this component. | |
this._listeners = [ | |
navigator.navigationContext.addListener('willfocus', callback), | |
navigator.navigationContext.addListener('didfocus', callback), | |
]; | |
}, | |
componentWillUnmount: function() { | |
this._listeners && this._listeners.forEach(listener => listener.remove()); | |
}, | |
render: function() { | |
return ( | |
<Navigator | |
debugOverlay={false} | |
style={styles.appContainer} | |
initialRoute={newRandomRoute()} | |
renderScene={(route, navigator) => ( | |
<ScrollView style={styles.scene}> | |
<Text style={styles.messageText}>{route.content}</Text> | |
<NavButton | |
onPress={() => { | |
navigator.immediatelyResetRouteStack([ | |
newRandomRoute(), | |
newRandomRoute(), | |
newRandomRoute(), | |
]); | |
}} | |
text="Reset w/ 3 scenes" | |
/> | |
<NavButton | |
onPress={() => { | |
this.forceUpdate() | |
}} | |
text="Force Update" | |
/> | |
<NavButton | |
onPress={() => { | |
this.props.navigator.pop(); | |
}} | |
text="Exit NavigationBar Example" | |
/> | |
</ScrollView> | |
)} | |
navigationBar={ | |
<NavigationBar | |
routeMapper={NavigationBarRouteMapper} | |
style={styles.navBar} | |
/> | |
} | |
/> | |
); | |
}, | |
}); | |
var styles = StyleSheet.create({ | |
messageText: { | |
fontSize: 17, | |
fontWeight: '500', | |
padding: 15, | |
marginTop: 50, | |
marginLeft: 15, | |
}, | |
button: { | |
backgroundColor: 'white', | |
padding: 15, | |
borderBottomWidth: 1 / PixelRatio.get(), | |
borderBottomColor: '#CDCDCD', | |
}, | |
buttonText: { | |
fontSize: 17, | |
fontWeight: '500', | |
}, | |
navBar: { | |
backgroundColor: 'white', | |
}, | |
navBarText: { | |
fontSize: 16, | |
marginVertical: 10, | |
}, | |
navBarTitleText: { | |
color: cssVar('fbui-bluegray-60'), | |
fontWeight: '500', | |
marginVertical: 9, | |
}, | |
navBarLeftButton: { | |
paddingLeft: 10, | |
}, | |
navBarRightButton: { | |
paddingRight: 10, | |
}, | |
navBarButtonText: { | |
color: cssVar('fbui-accent-blue'), | |
}, | |
scene: { | |
flex: 1, | |
paddingTop: 20, | |
backgroundColor: '#EAEAEA', | |
}, | |
}); | |
module.exports = NavigationBarSample; |
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