[ReactNative] Oss GeoMap

Examples/UIExplorer/MapViewExample.js

@@ -0,0 +1,196 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule MapViewExample
+ */
+'use strict';
+
+var React = require('react-native');
+var StyleSheet = require('StyleSheet');
+var {
+  MapView,
+  Text,
+  TextInput,
+  View,
+} = React;
+
+var MapRegionInput = React.createClass({
+
+  propTypes: {
+    region: React.PropTypes.shape({
+      latitude: React.PropTypes.number,
+      longitude: React.PropTypes.number,
+      latitudeDelta: React.PropTypes.number,
+      longitudeDelta: React.PropTypes.number,
+    }),
+    onChange: React.PropTypes.func.isRequired,
+  },
+
+  getInitialState: function() {
+    return {
+      latitude: 0,
+      longitude: 0,
+      latitudeDelta: 0,
+      longitudeDelta: 0,
+    };
+  },
+
+  componentWillReceiveProps: function(nextProps) {
+    this.setState(nextProps.region);
+  },
+
+  render: function() {
+    var region = this.state;
+    return (
+      <View>
+        <View style={styles.row}>
+          <Text>
+            {'Latitude'}
+          </Text>
+          <TextInput
+            value={'' + region.latitude}
+            style={styles.textInput}
+            onChange={this._onChangeLatitude}
+          />
+        </View>
+        <View style={styles.row}>
+          <Text>
+            {'Longitude'}
+          </Text>
+          <TextInput
+            value={'' + region.longitude}
+            style={styles.textInput}
+            onChange={this._onChangeLongitude}
+          />
+        </View>
+        <View style={styles.row}>
+          <Text>
+            {'Latitude delta'}
+          </Text>
+          <TextInput
+            value={'' + region.latitudeDelta}
+            style={styles.textInput}
+            onChange={this._onChangeLatitudeDelta}
+          />
+        </View>
+        <View style={styles.row}>
+          <Text>
+            {'Longitude delta'}
+          </Text>
+          <TextInput
+            value={'' + region.longitudeDelta}
+            style={styles.textInput}
+            onChange={this._onChangeLongitudeDelta}
+          />
+        </View>
+        <View style={styles.changeButton}>
+          <Text onPress={this._change}>
+            {'Change'}
+          </Text>
+        </View>
+      </View>
+    );
+  },
+
+  _onChangeLatitude: function(e) {
+    this.setState({latitude: parseFloat(e.nativeEvent.text)});
+  },
+
+  _onChangeLongitude: function(e) {
+    this.setState({longitude: parseFloat(e.nativeEvent.text)});
+  },
+
+  _onChangeLatitudeDelta: function(e) {
+    this.setState({latitudeDelta: parseFloat(e.nativeEvent.text)});
+  },
+
+  _onChangeLongitudeDelta: function(e) {
+    this.setState({longitudeDelta: parseFloat(e.nativeEvent.text)});
+  },
+
+  _change: function() {
+    this.props.onChange(this.state);
+  },
+
+});
+
+var MapViewExample = React.createClass({
+
+  getInitialState() {
+    return {
+      mapRegion: null,
+      mapRegionInput: null,
+    };
+  },
+
+  render() {
+    return (
+      <View>
+        <MapView
+          style={styles.map}
+          onRegionChange={this._onRegionChanged}
+          region={this.state.mapRegion}
+        />
+        <MapRegionInput
+          onChange={this._onRegionInputChanged}
+          region={this.state.mapRegionInput}
+        />
+      </View>
+    );
+  },
+
+  _onRegionChanged(region) {
+    this.setState({mapRegionInput: region});
+  },
+
+  _onRegionInputChanged(region) {
+    this.setState({
+      mapRegion: region,
+      mapRegionInput: region,
+    });
+  },
+
+});
+
+var styles = StyleSheet.create({
+  map: {
+    height: 150,
+    margin: 10,
+    borderWidth: 1,
+    borderColor: '#000000',
+  },
+  row: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+  },
+  textInput: {
+    width: 150,
+    height: 20,
+    borderWidth: 0.5,
+    borderColor: '#aaaaaa',
+    fontSize: 13,
+    padding: 4,
+  },
+  changeButton: {
+    alignSelf: 'center',
+    marginTop: 5,
+    padding: 3,
+    borderWidth: 0.5,
+    borderColor: '#777777',
+  },
+});
+
+exports.title = '<MapView>';
+exports.description = 'Base component to display maps';
+exports.examples = [
+  {
+    title: 'Map',
+    render() { return <MapViewExample />; }
+  },
+  {
+    title: 'Map shows user location',
+    render() {
+      return  <MapView style={styles.map} showsUserLocation={true} />;
+    }
+  }
+];

Examples/UIExplorer/UIExplorerList.js

@@ -37,6 +37,7 @@ var EXAMPLES = [
   require('./SwitchExample'),
   require('./SliderExample'),
   require('./CameraRollExample.ios'),
+  require('./MapViewExample'),
 ];
 
 var UIExplorerList = React.createClass({

Libraries/Components/MapView/MapView.js

@@ -0,0 +1,165 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule MapView
+ */
+'use strict';
+
+var EdgeInsetsPropType = require('EdgeInsetsPropType');
+var NativeMethodsMixin = require('NativeMethodsMixin');
+var React = require('React');
+var ReactIOSViewAttributes = require('ReactIOSViewAttributes');
+var View = require('View');
+
+var createReactIOSNativeComponentClass = require('createReactIOSNativeComponentClass');
+var deepDiffer = require('deepDiffer');
+var insetsDiffer = require('insetsDiffer');
+var merge = require('merge');
+
+var MapView = React.createClass({
+  mixins: [NativeMethodsMixin],
+
+  propTypes: {
+    /**
+     * Used to style and layout the `MapView`.  See `StyleSheet.js` and
+     * `ViewStylePropTypes.js` for more info.
+     */
+    style: View.propTypes.style,
+
+    /**
+     * If `true` the app will ask for the user's location and focus on it.
+     * Default value is `false`.
+     *
+     * **NOTE**: You need to add NSLocationWhenInUseUsageDescription key in
+     * Info.plist to enable geolocation, otherwise it is going
+     * to *fail silently*!
+     */
+    showsUserLocation: React.PropTypes.bool,
+
+    /**
+     * If `false` the user won't be able to pinch/zoom the map.
+     * Default `value` is true.
+     */
+    zoomEnabled: React.PropTypes.bool,
+
+    /**
+     * When this property is set to `true` and a valid camera is associated with
+     * the map, the camera’s heading angle is used to rotate the plane of the
+     * map around its center point. When this property is set to `false`, the
+     * camera’s heading angle is ignored and the map is always oriented so
+     * that true north is situated at the top of the map view
+     */
+    rotateEnabled: React.PropTypes.bool,
+
+    /**
+     * When this property is set to `true` and a valid camera is associated
+     * with the map, the camera’s pitch angle is used to tilt the plane
+     * of the map. When this property is set to `false`, the camera’s pitch
+     * angle is ignored and the map is always displayed as if the user
+     * is looking straight down onto it.
+     */
+    pitchEnabled: React.PropTypes.bool,
+
+    /**
+     * If `false` the user won't be able to change the map region being displayed.
+     * Default value is `true`.
+     */
+    scrollEnabled: React.PropTypes.bool,
+
+    /**
+     * The region to be displayed by the map.
+     *
+     * The region is defined by the center coordinates and the span of
+     * coordinates to display.
+     */
+    region: React.PropTypes.shape({
+      /**
+       * Coordinates for the center of the map.
+       */
+      latitude: React.PropTypes.number.isRequired,
+      longitude: React.PropTypes.number.isRequired,
+
+      /**
+       * Distance between the minimun and the maximum latitude/longitude
+       * to be displayed.
+       */
+      latitudeDelta: React.PropTypes.number.isRequired,
+      longitudeDelta: React.PropTypes.number.isRequired,
+    }),
+
+    /**
+     * Maximum size of area that can be displayed.
+     */
+    maxDelta: React.PropTypes.number,
+
+    /**
+     * Minimum size of area that can be displayed.
+     */
+    minDelta: React.PropTypes.number,
+
+    /**
+     * Insets for the map's legal label, originally at bottom left of the map.
+     * See `EdgeInsetsPropType.js` for more information.
+     */
+    legalLabelInsets: EdgeInsetsPropType,
+
+    /**
+     * Callback that is called continuously when the user is dragging the map.
+     */
+    onRegionChange: React.PropTypes.func,
+
+    /**
+     * Callback that is called once, when the user is done moving the map.
+     */
+    onRegionChangeComplete: React.PropTypes.func,
+  },
+
+  _onChange: function(event) {
+    if (event.nativeEvent.continuous) {
+      this.props.onRegionChange &&
+        this.props.onRegionChange(event.nativeEvent.region);
+    } else {
+      this.props.onRegionChangeComplete &&
+        this.props.onRegionChangeComplete(event.nativeEvent.region);
+    }
+  },
+
+  render: function() {
+    return (
+      <RKMap
+        style={this.props.style}
+        showsUserLocation={this.props.showsUserLocation}
+        zoomEnabled={this.props.zoomEnabled}
+        rotateEnabled={this.props.rotateEnabled}
+        pitchEnabled={this.props.pitchEnabled}
+        scrollEnabled={this.props.scrollEnabled}
+        region={this.props.region}
+        maxDelta={this.props.maxDelta}
+        minDelta={this.props.minDelta}
+        legalLabelInsets={this.props.legalLabelInsets}
+        onChange={this._onChange}
+        onTouchStart={this.props.onTouchStart}
+      />
+    );
+  },
+
+});
+
+var RKMap = createReactIOSNativeComponentClass({
+  validAttributes: merge(
+    ReactIOSViewAttributes.UIView, {
+      showsUserLocation: true,
+      zoomEnabled: true,
+      rotateEnabled: true,
+      pitchEnabled: true,
+      scrollEnabled: true,
+      region: {diff: deepDiffer},
+      maxDelta: true,
+      minDelta: true,
+      legalLabelInsets: {diff: insetsDiffer},
+    }
+  ),
+  uiViewClassName: 'RCTMap',
+});
+
+module.exports = MapView;

Libraries/react-native/react-native.js

@@ -11,6 +11,7 @@ var ReactNative = {
   CameraRoll: require('CameraRoll'),
   DatePickerIOS: require('DatePickerIOS'),
   ExpandingText: require('ExpandingText'),
+  MapView: require('MapView'),
   Image: require('Image'),
   LayoutAnimation: require('LayoutAnimation'),
   ListView: require('ListView'),