react-native/Examples/UIExplorer/NavigationExperimental/NavigationBasicExample.js

101 lines
2.9 KiB
JavaScript

/**
* 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';
const React = require('react-native');
const {
NavigationExperimental,
ScrollView,
StyleSheet,
} = React;
const NavigationExampleRow = require('./NavigationExampleRow');
const {
RootContainer: NavigationRootContainer,
Reducer: NavigationReducer,
} = NavigationExperimental;
const StackReducer = NavigationReducer.StackReducer;
const NavigationBasicReducer = NavigationReducer.StackReducer({
getPushedReducerForAction: (action) => {
if (action.type === 'push') {
return (state) => state || {key: action.key};
}
return null;
},
getReducerForState: (initialState) => (state) => state || initialState,
initialState: {
key: 'BasicExampleStackKey',
index: 0,
children: [
{key: 'First Route'},
],
},
});
const NavigationBasicExample = React.createClass({
render: function() {
return (
<NavigationRootContainer
reducer={NavigationBasicReducer}
persistenceKey="NavigationBasicExampleState"
ref={navRootContainer => { this.navRootContainer = navRootContainer; }}
renderNavigation={(navState, onNavigate) => {
if (!navState) { return null; }
return (
<ScrollView style={styles.topView}>
<NavigationExampleRow
text={`Current page: ${navState.children[navState.index].key}`}
/>
<NavigationExampleRow
text={`Push page #${navState.children.length}`}
onPress={() => {
onNavigate({ type: 'push', key: 'page #' + navState.children.length });
}}
/>
<NavigationExampleRow
text="pop"
onPress={() => {
onNavigate(NavigationRootContainer.getBackAction());
}}
/>
<NavigationExampleRow
text="Exit Basic Nav Example"
onPress={this.props.onExampleExit}
/>
</ScrollView>
);
}}
/>
);
},
handleBackAction: function() {
return (
this.navRootContainer &&
this.navRootContainer.handleNavigation(NavigationRootContainer.getBackAction())
);
},
});
const styles = StyleSheet.create({
topView: {
backgroundColor: '#E9E9EF',
flex: 1,
paddingTop: 30,
},
});
module.exports = NavigationBasicExample;