private async void RunSample()
{
var message = new TextMessage("Set Text to Foo?", "Update Text", MessageButton.YesNo);
var result = await Messenger.Default.SendAsync(message);
if (result.Result == MessageResult.Yes)
SampleProperty = "Foo";
}
public static void ShowTextMessage(TextMessage message)
{
if (message.Button == TextMessage.MessageButton.OK)
MessageBox.Show(message.Text, message.Title, MessageBoxButton.OK);
else if(message.Button == TextMessage.MessageButton.OKCancel)
{
var result = MessageBox.Show(message.Text, message.Title, MessageBoxButton.OKCancel);
message.Result = result == MessageBoxResult.OK ? TextMessage.MessageResult.OK : TextMessage.MessageResult.Cancel;
}
}
protected override void OnBackKeyPress(System.ComponentModel.CancelEventArgs e)
{
TextMessage msg = null;
if (!Model.Person.IsValid)
msg = new TextMessage("Not valid", "Discard?", TextMessage.MessageButton.OKCancel); // TODO use strings from resource file
if (msg != null)
{
Messenger.Send(msg);
if (msg.Result == TextMessage.MessageResult.OK)
App.Persons.Remove(Model.Person);
else
e.Cancel = true;
}
else
App.Persons.Add(Model.Person);
}
protected void BackKeyPressHandler(CancelEventArgs e)
{
if (!Model.Person.IsValid)
{
var msg = new TextMessage("Not valid", "Discard?", MessageButton.OKCancel); // TODO use strings from resource file
msg.SuccessCallback += result =>
{
if (result == MessageResult.Ok)
{
App.Persons.Remove(Model.Person);
NavigationService.GoBack();
}
};
e.Cancel = true;
Messenger.Default.Send(msg);
}
else
App.Persons.Add(Model.Person);
}
private static async Task GetTextMessageImplementation(TextMessage message)
{
if (message.Button == MessageButton.OK)
{
var msg = new MessageDialog(message.Text, message.Title);
await msg.ShowAsync();
}
else
{
var msg = new MessageDialog(message.Text, message.Title);
if (message.Button == MessageButton.OKCancel)
{
msg.Commands.Add(new UICommand(Strings.ButtonOk));
msg.Commands.Add(new UICommand(Strings.ButtonCancel));
}
else if (message.Button == MessageButton.YesNoCancel || message.Button == MessageButton.YesNo)
{
msg.Commands.Add(new UICommand(Strings.ButtonYes));
msg.Commands.Add(new UICommand(Strings.ButtonNo));
if (message.Button == MessageButton.YesNoCancel)
msg.Commands.Add(new UICommand(Strings.ButtonCancel));
}
msg.DefaultCommandIndex = 0;
msg.CancelCommandIndex = 1;
var cmd = await msg.ShowAsync();
var index = msg.Commands.IndexOf(cmd);
if (message.Button == MessageButton.OKCancel)
message.CallSuccessCallback(index == 0 ? MessageResult.Ok : MessageResult.Cancel);
else if (message.Button == MessageButton.YesNoCancel)
message.CallSuccessCallback(index == 0 ? MessageResult.Yes :
(index == 1 ? MessageResult.No : MessageResult.Cancel));
else if (message.Button == MessageButton.YesNo)
message.CallSuccessCallback(index == 0 ? MessageResult.Yes : MessageResult.No);
}
}
private static async Task ShowTextMessage(TextMessage m)
{
if (m.Button == MessageButton.OK)
{
var msg = new MessageDialog(m.Text, m.Title);
await msg.ShowAsync();
}
else
{
var msg = new MessageDialog(m.Text, m.Title);
if (m.Button == MessageButton.OKCancel)
{
msg.Commands.Add(new UICommand(Strings.ButtonOk));
msg.Commands.Add(new UICommand(Strings.ButtonCancel));
}
else if (m.Button == MessageButton.YesNoCancel || m.Button == MessageButton.YesNo)
{
msg.Commands.Add(new UICommand(Strings.ButtonYes));
msg.Commands.Add(new UICommand(Strings.ButtonNo));
if (m.Button == MessageButton.YesNoCancel)
msg.Commands.Add(new UICommand(Strings.ButtonCancel));
}
msg.DefaultCommandIndex = 0;
msg.CancelCommandIndex = 1;
var cmd = await msg.ShowAsync();
var index = msg.Commands.IndexOf(cmd);
if (m.Button == MessageButton.OKCancel)
m.Result = index == 0 ? MessageResult.OK : MessageResult.Cancel;
else if (m.Button == MessageButton.YesNoCancel)
m.Result = index == 0 ? MessageResult.Yes : (index == 1 ? MessageResult.No : MessageResult.Cancel);
else if (m.Button == MessageButton.YesNo)
m.Result = index == 0 ? MessageResult.Yes : MessageResult.No;
}
}
/// <summary>Closes the given document and saves it if needed. </summary>
/// <param name="document">The document to close. </param>
/// <returns>The task. </returns>
public async Task<bool> CloseDocumentAsync(JsonDocumentModel document)
{
if (document.UndoRedoManager.CanUndo)
{
var message = new TextMessage(string.Format(Strings.MessageSaveDocumentText, document.DisplayTitle),
Strings.MessageSaveDocumentTitle, MessageButton.YesNoCancel);
var result = await Messenger.Default.SendAsync(message);
if (result.Result == MessageResult.Cancel)
return false;
if (result.Result == MessageResult.Yes)
await SaveDocumentAsync(document);
}
RemoveDocument(document);
return true;
}
