116 lines
3.3 KiB
JavaScript
116 lines
3.3 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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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* @providesModule Alert
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* @flow
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*/
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'use strict';
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const AlertIOS = require('AlertIOS');
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const NativeModules = require('NativeModules');
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const Platform = require('Platform');
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import type { AlertType, AlertButtonStyle } from 'AlertIOS';
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export type Buttons = Array<{
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text?: string,
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onPress?: ?Function,
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style?: AlertButtonStyle,
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}>;
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type Options = {
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cancelable?: ?boolean,
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onDismiss?: ?Function,
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};
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/**
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* Launches an alert dialog with the specified title and message.
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*
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* See http://facebook.github.io/react-native/docs/alert.html
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*/
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class Alert {
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/**
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* Launches an alert dialog with the specified title and message.
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*
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* See http://facebook.github.io/react-native/docs/alert.html#alert
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*/
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static alert(
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title: ?string,
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message?: ?string,
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buttons?: Buttons,
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options?: Options,
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type?: AlertType,
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): void {
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if (Platform.OS === 'ios') {
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if (typeof type !== 'undefined') {
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console.warn('Alert.alert() with a 5th "type" parameter is deprecated and will be removed. Use AlertIOS.prompt() instead.');
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AlertIOS.alert(title, message, buttons, type);
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return;
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}
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AlertIOS.alert(title, message, buttons);
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} else if (Platform.OS === 'android') {
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AlertAndroid.alert(title, message, buttons, options);
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}
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}
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}
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/**
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* Wrapper around the Android native module.
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*/
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class AlertAndroid {
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static alert(
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title: ?string,
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message?: ?string,
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buttons?: Buttons,
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options?: Options,
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): void {
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var config = {
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title: title || '',
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message: message || '',
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};
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if (options) {
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config = {...config, cancelable: options.cancelable};
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}
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// At most three buttons (neutral, negative, positive). Ignore rest.
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// The text 'OK' should be probably localized. iOS Alert does that in native.
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var validButtons: Buttons = buttons ? buttons.slice(0, 3) : [{text: 'OK'}];
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var buttonPositive = validButtons.pop();
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var buttonNegative = validButtons.pop();
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var buttonNeutral = validButtons.pop();
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if (buttonNeutral) {
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config = {...config, buttonNeutral: buttonNeutral.text || '' };
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}
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if (buttonNegative) {
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config = {...config, buttonNegative: buttonNegative.text || '' };
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}
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if (buttonPositive) {
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config = {...config, buttonPositive: buttonPositive.text || '' };
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}
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NativeModules.DialogManagerAndroid.showAlert(
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config,
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(errorMessage) => console.warn(errorMessage),
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(action, buttonKey) => {
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if (action === NativeModules.DialogManagerAndroid.buttonClicked) {
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if (buttonKey === NativeModules.DialogManagerAndroid.buttonNeutral) {
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buttonNeutral.onPress && buttonNeutral.onPress();
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} else if (buttonKey === NativeModules.DialogManagerAndroid.buttonNegative) {
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buttonNegative.onPress && buttonNegative.onPress();
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} else if (buttonKey === NativeModules.DialogManagerAndroid.buttonPositive) {
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buttonPositive.onPress && buttonPositive.onPress();
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}
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} else if (action === NativeModules.DialogManagerAndroid.dismissed) {
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options && options.onDismiss && options.onDismiss();
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}
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}
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);
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}
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}
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module.exports = Alert;
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