Files
NativeScript/ui/dialogs/dialogs.ios.ts

474 lines
18 KiB
TypeScript

/**
* iOS specific dialogs functions implementation.
*/
import dialogs = require("ui/dialogs");
import dialogsCommon = require("ui/dialogs/dialogs-common");
import types = require("utils/types");
import utils = require("utils/utils");
import frame = require("ui/frame");
global.moduleMerge(dialogsCommon, exports);
class UIAlertViewDelegateImpl extends NSObject implements UIAlertViewDelegate {
public static ObjCProtocols = [UIAlertViewDelegate];
static new(): UIAlertViewDelegateImpl {
return <UIAlertViewDelegateImpl>super.new();
}
private _callback: (view: any, index: number) => void;
public initWithCallback(callback: (view: any, index: number) => void): UIAlertViewDelegateImpl {
this._callback = callback;
return this;
}
public alertViewClickedButtonAtIndex(view, index) {
this._callback(view, index);
}
}
class UIActionSheetDelegateImpl extends NSObject implements UIActionSheetDelegate {
public static ObjCProtocols = [UIActionSheetDelegate];
static new(): UIActionSheetDelegateImpl {
return <UIActionSheetDelegateImpl>super.new();
}
private _callback: (actionSheet: UIActionSheet, index: number) => void;
public initWithCallback(callback: (actionSheet: UIActionSheet, index: number) => void): UIActionSheetDelegateImpl {
this._callback = callback;
return this;
}
public actionSheetClickedButtonAtIndex(actionSheet, index) {
this._callback(actionSheet, index);
}
}
function createUIAlertView(options: dialogs.DialogOptions): UIAlertView {
var alert = new UIAlertView();
alert.title = options && options.title ? options.title : "";
alert.message = options && options.message ? options.message : "";;
return alert;
}
enum allertButtons {
cancel = 1 << 0,
neutral = 1 << 1,
ok = 1 << 2,
}
function addButtonsToAlertDialog(alert: UIAlertView, options: dialogs.ConfirmOptions): void {
if (!options) {
return;
}
if (options.cancelButtonText) {
alert.tag = allertButtons.cancel;
alert.addButtonWithTitle(options.cancelButtonText);
}
if (options.neutralButtonText) {
alert.tag = alert.tag | allertButtons.neutral;
alert.addButtonWithTitle(options.neutralButtonText);
}
if (options.okButtonText) {
alert.tag = alert.tag | allertButtons.ok;
alert.addButtonWithTitle(options.okButtonText);
}
}
function getDialogResult(buttons: allertButtons, index: number) {
var hasCancel = buttons & allertButtons.cancel;
var hasNeutral = buttons & allertButtons.neutral;
var hasOk = buttons & allertButtons.ok;
if (hasCancel && hasNeutral && hasOk) {
return index === 0 ? false : index === 2 ? true : undefined;
} else if (buttons & hasNeutral && hasOk) {
return index === 0 ? undefined : true;
} else if (hasCancel && hasOk) {
return index !== 0;
} else if (hasCancel && hasNeutral) {
return index === 0 ? false : undefined;
} else if (hasCancel) {
return false;
} else if (hasOk) {
return true;
}
return undefined;
}
function addButtonsToAlertController(alertController: UIAlertController, options: dialogs.ConfirmOptions,
okCallback?: Function, cancelCallback?: Function, neutralCallback?: Function): void {
if (!options) {
return;
}
if (types.isString(options.cancelButtonText)) {
alertController.addAction(UIAlertAction.actionWithTitleStyleHandler(options.cancelButtonText, UIAlertActionStyle.UIAlertActionStyleDefault, (arg: UIAlertAction) => {
if (types.isFunction(cancelCallback)) {
cancelCallback();
}
}));
}
if (types.isString(options.neutralButtonText)) {
alertController.addAction(UIAlertAction.actionWithTitleStyleHandler(options.neutralButtonText, UIAlertActionStyle.UIAlertActionStyleDefault, (arg: UIAlertAction) => {
if (types.isFunction(cancelCallback)) {
neutralCallback();
}
}));
}
if (types.isString(options.okButtonText)) {
alertController.addAction(UIAlertAction.actionWithTitleStyleHandler(options.okButtonText, UIAlertActionStyle.UIAlertActionStyleDefault, (arg: UIAlertAction) => {
if (types.isFunction(okCallback)) {
okCallback();
}
}));
}
}
export function alert(arg: any): Promise<void> {
return new Promise<void>((resolve, reject) => {
try {
var options = types.isString(arg) ? { title: dialogsCommon.ALERT, okButtonText: dialogsCommon.OK, message: arg } : arg;
if (utils.ios.MajorVersion < 8) {
var alert = createUIAlertView(options);
if (options.okButtonText) {
alert.addButtonWithTitle(options.okButtonText);
}
// Assign first to local variable, otherwise it will be garbage collected since delegate is weak reference.
var delegate = UIAlertViewDelegateImpl.new().initWithCallback(function (view, index) {
resolve();
// Remove the local variable for the delegate.
delegate = undefined;
});
alert.delegate = delegate;
alert.show();
} else {
var alertController = UIAlertController.alertControllerWithTitleMessagePreferredStyle(options.title, options.message, UIAlertControllerStyle.UIAlertControllerStyleAlert);
addButtonsToAlertController(alertController, options, () => { resolve(); });
showUIAlertController(alertController);
}
} catch (ex) {
reject(ex);
}
});
}
export function confirm(arg: any): Promise<boolean> {
return new Promise<boolean>((resolve, reject) => {
try {
var options = types.isString(arg) ? { title: dialogsCommon.CONFIRM, okButtonText: dialogsCommon.OK, cancelButtonText: dialogsCommon.CANCEL, message: arg } : arg;
if (utils.ios.MajorVersion < 8) {
var alert = createUIAlertView(options);
addButtonsToAlertDialog(alert, options);
// Assign first to local variable, otherwise it will be garbage collected since delegate is weak reference.
var delegate = UIAlertViewDelegateImpl.new().initWithCallback(function (view, index) {
resolve(getDialogResult(alert.tag, index));
// Remove the local variable for the delegate.
delegate = undefined;
});
alert.delegate = delegate;
alert.show();
} else {
var alertController = UIAlertController.alertControllerWithTitleMessagePreferredStyle(options.title, options.message, UIAlertControllerStyle.UIAlertControllerStyleAlert);
addButtonsToAlertController(alertController, options, () => { resolve(true); }, () => { resolve(false) }, () => { resolve(undefined) });
showUIAlertController(alertController);
}
} catch (ex) {
reject(ex);
}
});
}
export function prompt(arg: any): Promise<dialogs.PromptResult> {
var options: dialogs.PromptOptions;
var defaultOptions = {
title: dialogsCommon.PROMPT,
okButtonText: dialogsCommon.OK,
cancelButtonText: dialogsCommon.CANCEL,
inputType: dialogs.inputType.text,
};
if (arguments.length === 1) {
if (types.isString(arg)) {
options = defaultOptions;
options.message = arg;
} else {
options = arg;
}
} else if (arguments.length === 2) {
if (types.isString(arguments[0]) && types.isString(arguments[1])) {
options = defaultOptions;
options.message = arguments[0];
options.defaultText = arguments[1];
}
}
return new Promise<dialogs.PromptResult>((resolve, reject) => {
try {
var textField: UITextField;
if (utils.ios.MajorVersion < 8) {
var alert = createUIAlertView(options);
if (options.inputType === dialogs.inputType.password) {
alert.alertViewStyle = UIAlertViewStyle.UIAlertViewStyleSecureTextInput;
} else {
alert.alertViewStyle = UIAlertViewStyle.UIAlertViewStylePlainTextInput;
}
addButtonsToAlertDialog(alert, options);
textField = alert.textFieldAtIndex(0);
textField.text = types.isString(options.defaultText) ? options.defaultText : "";
// Assign first to local variable, otherwise it will be garbage collected since delegate is weak reference.
var delegate = UIAlertViewDelegateImpl.new().initWithCallback(function (view, index) {
resolve({ result: getDialogResult(alert.tag, index), text: textField.text });
// Remove the local variable for the delegate.
delegate = undefined;
});
alert.delegate = delegate;
alert.show();
} else {
var alertController = UIAlertController.alertControllerWithTitleMessagePreferredStyle(options.title, options.message, UIAlertControllerStyle.UIAlertControllerStyleAlert);
alertController.addTextFieldWithConfigurationHandler((arg: UITextField) => {
arg.text = types.isString(options.defaultText) ? options.defaultText : "";
arg.secureTextEntry = options && options.inputType === dialogs.inputType.password;
});
textField = alertController.textFields.firstObject;
addButtonsToAlertController(alertController, options,
() => { resolve({ result: true, text: textField.text }); },
() => { resolve({ result: false, text: textField.text }) },
() => { resolve({ result: undefined, text: textField.text }) });
showUIAlertController(alertController);
}
} catch (ex) {
reject(ex);
}
});
}
export function login(arg: any): Promise<dialogs.LoginResult> {
var options: dialogs.LoginOptions;
var defaultOptions = { title: dialogsCommon.LOGIN, okButtonText: dialogsCommon.OK, cancelButtonText: dialogsCommon.CANCEL };
if (arguments.length === 1) {
if (types.isString(arguments[0])) {
options = defaultOptions;
options.message = arguments[0];
} else {
options = arguments[0];
}
} else if (arguments.length === 2) {
if (types.isString(arguments[0]) && types.isString(arguments[1])) {
options = defaultOptions;
options.message = arguments[0];
options.userName = arguments[1];
}
} else if (arguments.length === 3) {
if (types.isString(arguments[0]) && types.isString(arguments[1]) && types.isString(arguments[2])) {
options = defaultOptions;
options.message = arguments[0];
options.userName = arguments[1];
options.password = arguments[2];
}
}
return new Promise<dialogs.LoginResult>((resolve, reject) => {
try {
var userNameTextField: UITextField;
var passwordTextField: UITextField;
if (utils.ios.MajorVersion < 8) {
var alert = createUIAlertView(options);
alert.alertViewStyle = UIAlertViewStyle.UIAlertViewStyleLoginAndPasswordInput;
addButtonsToAlertDialog(alert, options);
userNameTextField = alert.textFieldAtIndex(0);
userNameTextField.text = types.isString(options.userName) ? options.userName : "";
passwordTextField = alert.textFieldAtIndex(1);
passwordTextField.text = types.isString(options.password) ? options.password : "";
// Assign first to local variable, otherwise it will be garbage collected since delegate is weak reference.
var delegate = UIAlertViewDelegateImpl.new().initWithCallback(function (view, index) {
resolve({ result: getDialogResult(alert.tag, index), userName: userNameTextField.text, password: passwordTextField.text });
// Remove the local variable for the delegate.
delegate = undefined;
});
alert.delegate = delegate;
alert.show();
} else {
var alertController = UIAlertController.alertControllerWithTitleMessagePreferredStyle(options.title, options.message, UIAlertControllerStyle.UIAlertControllerStyleAlert);
alertController.addTextFieldWithConfigurationHandler((arg: UITextField) => {
arg.placeholder = "Login";
arg.text = types.isString(options.userName) ? options.userName : "";
});
alertController.addTextFieldWithConfigurationHandler((arg: UITextField) => {
arg.placeholder = "Password";
arg.secureTextEntry = true;
arg.text = types.isString(options.password) ? options.password : "";
});
userNameTextField = alertController.textFields.firstObject;
passwordTextField = alertController.textFields.lastObject;
addButtonsToAlertController(alertController, options,
() => { resolve({ result: true, userName: userNameTextField.text, password: passwordTextField.text }); },
() => { resolve({ result: false, userName: userNameTextField.text, password: passwordTextField.text }); },
() => { resolve({ result: undefined, userName: userNameTextField.text, password: passwordTextField.text }); });
showUIAlertController(alertController);
}
} catch (ex) {
reject(ex);
}
});
}
function showUIAlertController(alertController: UIAlertController) {
var topMostFrame = frame.topmost();
if (topMostFrame) {
var viewController: UIViewController = topMostFrame.currentPage && topMostFrame.currentPage.ios;
if (viewController) {
if (alertController.popoverPresentationController) {
alertController.popoverPresentationController.sourceView = viewController.view;
alertController.popoverPresentationController.sourceRect = CGRectMake(viewController.view.bounds.size.width / 2.0, viewController.view.bounds.size.height / 2.0, 1.0, 1.0);
alertController.popoverPresentationController.permittedArrowDirections = 0;
}
viewController.presentModalViewControllerAnimated(alertController, true);
}
}
}
export function action(arg: any): Promise<string> {
var options: dialogs.ActionOptions;
var defaultOptions = { cancelButtonText: dialogsCommon.CANCEL };
if (arguments.length === 1) {
if (types.isString(arguments[0])) {
options = defaultOptions;
options.message = arguments[0];
} else {
options = arguments[0];
}
} else if (arguments.length === 2) {
if (types.isString(arguments[0]) && types.isString(arguments[1])) {
options = defaultOptions;
options.message = arguments[0];
options.cancelButtonText = arguments[1];
}
} else if (arguments.length === 3) {
if (types.isString(arguments[0]) && types.isString(arguments[1]) && types.isDefined(arguments[2])) {
options = defaultOptions;
options.message = arguments[0];
options.cancelButtonText = arguments[1];
options.actions = arguments[2];
}
}
return new Promise<string>((resolve, reject) => {
try {
var i: number;
var action: string;
if (utils.ios.MajorVersion < 8) {
var actionSheet = new UIActionSheet();
if (types.isString(options.message)) {
actionSheet.title = options.message;
}
if (options.actions) {
for (i = 0; i < options.actions.length; i++) {
action = options.actions[i];
if (types.isString(action)) {
actionSheet.addButtonWithTitle(action);
}
}
}
if (types.isString(options.cancelButtonText)) {
actionSheet.addButtonWithTitle(options.cancelButtonText);
actionSheet.cancelButtonIndex = actionSheet.numberOfButtons - 1;
}
var delegate = UIActionSheetDelegateImpl.new().initWithCallback(function (sender: UIActionSheet, index: number) {
resolve(sender.buttonTitleAtIndex(index));
delegate = undefined;
});
actionSheet.delegate = delegate;
actionSheet.showInView(UIApplication.sharedApplication().keyWindow);
} else {
var alertController = UIAlertController.alertControllerWithTitleMessagePreferredStyle(options.message, "", UIAlertControllerStyle.UIAlertControllerStyleActionSheet);
if (options.actions) {
for (i = 0; i < options.actions.length; i++) {
action = options.actions[i];
if (types.isString(action)) {
alertController.addAction(UIAlertAction.actionWithTitleStyleHandler(action, UIAlertActionStyle.UIAlertActionStyleDefault, (arg: UIAlertAction) => {
resolve(arg.title);
}));
}
}
}
if (types.isString(options.cancelButtonText)) {
alertController.addAction(UIAlertAction.actionWithTitleStyleHandler(options.cancelButtonText, UIAlertActionStyle.UIAlertActionStyleCancel, (arg: UIAlertAction) => {
resolve(arg.title);
}));
}
showUIAlertController(alertController);
}
} catch (ex) {
reject(ex);
}
});
}