90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
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/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow strict-local
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*/
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'use strict';
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import type {Options, DatePickerOpenAction} from './DatePickerAndroidTypes';
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import NativeDatePickerAndroid from './NativeDatePickerAndroid';
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/**
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* Convert a Date to a timestamp.
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*/
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function _toMillis(options: Options, key: string) {
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const dateVal = options[key];
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// Is it a Date object?
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if (typeof dateVal === 'object' && typeof dateVal.getMonth === 'function') {
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options[key] = dateVal.getTime();
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}
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}
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/**
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* Opens the standard Android date picker dialog.
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*
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* ### Example
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*
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* ```
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* try {
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* const {action, year, month, day} = await DatePickerAndroid.open({
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* // Use `new Date()` for current date.
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* // May 25 2020. Month 0 is January.
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* date: new Date(2020, 4, 25)
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* });
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* if (action !== DatePickerAndroid.dismissedAction) {
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* // Selected year, month (0-11), day
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* }
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* } catch ({code, message}) {
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* console.warn('Cannot open date picker', message);
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* }
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* ```
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*/
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class DatePickerAndroid {
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/**
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* Opens the standard Android date picker dialog.
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*
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* The available keys for the `options` object are:
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*
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* - `date` (`Date` object or timestamp in milliseconds) - date to show by default
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* - `minDate` (`Date` or timestamp in milliseconds) - minimum date that can be selected
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* - `maxDate` (`Date` object or timestamp in milliseconds) - maximum date that can be selected
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* - `mode` (`enum('calendar', 'spinner', 'default')`) - To set the date-picker mode to calendar/spinner/default
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* - 'calendar': Show a date picker in calendar mode.
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* - 'spinner': Show a date picker in spinner mode.
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* - 'default': Show a default native date picker(spinner/calendar) based on android versions.
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*
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* Returns a Promise which will be invoked an object containing `action`, `year`, `month` (0-11),
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* `day` if the user picked a date. If the user dismissed the dialog, the Promise will
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* still be resolved with action being `DatePickerAndroid.dismissedAction` and all the other keys
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* being undefined. **Always** check whether the `action` before reading the values.
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*
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* Note the native date picker dialog has some UI glitches on Android 4 and lower
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* when using the `minDate` and `maxDate` options.
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*/
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static async open(options: ?Options): Promise<DatePickerOpenAction> {
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const optionsMs = options;
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if (optionsMs != null) {
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_toMillis(optionsMs, 'date');
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_toMillis(optionsMs, 'minDate');
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_toMillis(optionsMs, 'maxDate');
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}
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return NativeDatePickerAndroid.open(options);
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}
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/**
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* A date has been selected.
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*/
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static +dateSetAction: 'dateSetAction' = 'dateSetAction';
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/**
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* The dialog has been dismissed.
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*/
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static +dismissedAction: 'dismissedAction' = 'dismissedAction';
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}
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module.exports = DatePickerAndroid;
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