[ReactNative] OSS DatePicker

Libraries/Components/DatePicker/DatePickerIOS.ios.js

@@ -0,0 +1,155 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule DatePickerIOS
+ *
+ * This is a controlled component version of RKDatePickerIOS
+ */
+'use strict';
+
+var NativeMethodsMixin = require('NativeMethodsMixin');
+var PropTypes = require('ReactPropTypes');
+var React = require('React');
+var ReactIOSViewAttributes = require('ReactIOSViewAttributes');
+var RKDatePickerIOSConsts = require('NativeModules').RKUIManager.RCTDatePicker.Constants;
+var StyleSheet = require('StyleSheet');
+var View = require('View');
+
+var createReactIOSNativeComponentClass =
+  require('createReactIOSNativeComponentClass');
+var merge = require('merge');
+
+var DATEPICKER = 'datepicker';
+
+/**
+ * Use `DatePickerIOS` to render a date/time picker (selector) on iOS.  This is
+ * a controlled component, so you must hook in to the `onDateChange` callback
+ * and update the `date` prop in order for the component to update, otherwise
+ * the user's change will be reverted immediately to reflect `props.date` as the
+ * source of truth.
+ */
+var DatePickerIOS = React.createClass({
+  mixins: [NativeMethodsMixin],
+
+  propTypes: {
+    /**
+     * The currently selected date.
+     */
+    date: PropTypes.instanceOf(Date).isRequired,
+
+    /**
+     * Date change handler.
+     *
+     * This is called when the user changes the date or time in the UI.
+     * The first and only argument is a Date object representing the new
+     * date and time.
+     */
+    onDateChange: PropTypes.func.isRequired,
+
+    /**
+     * Maximum date.
+     *
+     * Restricts the range of possible date/time values.
+     */
+    maximumDate: PropTypes.instanceOf(Date),
+
+    /**
+     * Minimum date.
+     *
+     * Restricts the range of possible date/time values.
+     */
+    minimumDate: PropTypes.instanceOf(Date),
+
+    /**
+     * The date picker mode.
+     *
+     * Valid modes on iOS are: 'date', 'time', 'datetime'.
+     */
+    mode: PropTypes.oneOf(Object.keys(RKDatePickerIOSConsts.DatePickerModes)),
+
+    /**
+     * The interval at which minutes can be selected.
+     */
+    minuteInterval: PropTypes.oneOf([1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30]),
+
+    /**
+     * Timezone offset in seconds.
+     *
+     * By default, the date picker will use the device's timezone. With this
+     * parameter, it is possible to force a certain timezone offset. For
+     * instance, to show times in Pacific Standard Time, pass -7 * 60.
+     */
+    timeZoneOffsetInMinutes: PropTypes.number,
+  },
+
+  getDefaultProps: function() {
+    return {
+      mode: 'datetime',
+    };
+  },
+
+  _onChange: function(event) {
+    var nativeTimeStamp = event.nativeEvent.timestamp;
+    this.props.onDateChange && this.props.onDateChange(
+      new Date(nativeTimeStamp)
+    );
+    this.props.onChange && this.props.onChange(event);
+
+    // We expect the onChange* handlers to be in charge of updating our `date`
+    // prop. That way they can also disallow/undo/mutate the selection of
+    // certain values. In other words, the embedder of this component should
+    // be the source of truth, not the native component.
+    var propsTimeStamp = this.props.date.getTime();
+    if (nativeTimeStamp !== propsTimeStamp) {
+      this.refs[DATEPICKER].setNativeProps({
+        date: propsTimeStamp,
+      });
+    }
+  },
+
+  render: function() {
+    var props = this.props;
+    return (
+      <View style={props.style}>
+        <RKDatePickerIOS
+          ref={DATEPICKER}
+          style={styles.rkDatePickerIOS}
+          date={props.date.getTime()}
+          maximumDate={
+            props.maximumDate ? props.maximumDate.getTime() : undefined
+          }
+          minimumDate={
+            props.minimumDate ? props.minimumDate.getTime() : undefined
+          }
+          mode={RKDatePickerIOSConsts.DatePickerModes[props.mode]}
+          minuteInterval={props.minuteInterval}
+          timeZoneOffsetInMinutes={props.timeZoneOffsetInMinutes}
+          onChange={this._onChange}
+        />
+      </View>
+    );
+  }
+});
+
+var styles = StyleSheet.create({
+  rkDatePickerIOS: {
+    height: RKDatePickerIOSConsts.ComponentHeight,
+    width: RKDatePickerIOSConsts.ComponentWidth,
+  },
+});
+
+var rkDatePickerIOSAttributes = merge(ReactIOSViewAttributes.UIView, {
+  date: true,
+  maximumDate: true,
+  minimumDate: true,
+  mode: true,
+  minuteInterval: true,
+  timeZoneOffsetInMinutes: true,
+});
+
+var RKDatePickerIOS = createReactIOSNativeComponentClass({
+  validAttributes: rkDatePickerIOSAttributes,
+  uiViewClassName: 'RCTDatePicker',
+});
+
+module.exports = DatePickerIOS;

Libraries/react-native/react-native.js

@@ -8,6 +8,7 @@
 var ReactNative = {
   ...require('React'),
   AppRegistry: require('AppRegistry'),
+  DatePickerIOS: require('DatePickerIOS'),
   ExpandingText: require('ExpandingText'),
   Image: require('Image'),
   LayoutAnimation: require('LayoutAnimation'),