public async Task ExportAsync(string name, Document document, IExporter exporter, IRenderer renderer)
{
if (await dialogService.ConfirmAsync(LocalizationManager.GetString("Export_EmailConfirm")))
{
var extension = exporter.Extensions.FirstOrDefault();
if (extension == null)
{
throw new InvalidOperationException("The exporter needs to specify at least one file extension.");
}
var buffer = await SerializeAsync(document, exporter, renderer);
var downloadUri = await UploadAsync(name, extension, buffer);
var subj = LocalizationManager.GetFormattedString("Export_EmailSubject");
var body = LocalizationManager.GetFormattedString("Export_EmailBody", downloadUri);
var message = new EmailMessage {
Subject = subj, Body = body
};
await EmailManager.ShowComposeNewEmailAsync(message);
}
}
private async void ShowConfirmClicked(object sender, EventArgs e)
{
var isYes = await _dialogService.ConfirmAsync("Confirm?", "content");
if (isYes)
{
await _dialogService.AlertAsync("", "Yes");
}
}
public ProjectsViewModel(IProjectService projects, IAppStateService state, IDialogService dialog)
{
_projects = projects;
_state = state;
_dialog = dialog;
_state.KeysChanged += async(s, e) =>
{
await LoadAsync();
};
this.ShowCreate = new RelayCommand(() => { IsCreating = true; });
this.SelectProject = new RelayCommand <Project>((project) => {
if (project == null)
{
return;
}
_state.CurrentProject = project;
_state.SetCurrentPackage(null);
ApplicationData.Current.LocalSettings.Values["LastProject"] = _state.CurrentProject.Name;
});
this.CreateProject = new RelayCommand <string>(async(project) => {
if (string.IsNullOrWhiteSpace(project))
{
return;
}
var newProject = await _projects.CreateProjectAsync(project);
ProjectsList.Add(newProject);
CurrentProject = newProject;
IsCreating = false;
});
this.ManageProjects = new RelayCommand(async() => {
await _dialog.OpenAsync(DialogKeys.ManageProjects, this);
});
this.DeleteProject = new RelayCommand <Project>(async(project) => {
Debug.WriteLine($"Delete {project.Name}");
var confirm = await _dialog.ConfirmAsync("Confirm", $"Are you sure you want to delete {project.Name}?", "Yes", "No");
if (!confirm)
{
return;
}
await _projects.DeleteProjectAsync(project.Id);
if (CurrentProject.Id == project.Id)
{
CurrentProject = null;
}
ProjectsList.Remove(project);
});
}
public async Task HandleExternalLinkAsync(string url)
{
if (string.IsNullOrWhiteSpace(url) ||
!Uri.TryCreate(url, UriKind.Absolute, out var uri))
{
return;
}
var title = "External link";
var msg = $"Do you want to leave the app to visit {uri.Host}?";
var confirmed = await _dialog.ConfirmAsync(title, msg, "Yes", "No");
if (confirmed)
{
await _browser.ShowInBrowserAsync(uri, true);
}
}
/// <summary>
/// This method provides a wrapper for any method which takes no parameters without return type AND
/// is going to be called in a command.
/// </summary>
/// <param name="func">The function / method that is going to be called in this method.</param>
/// <param name="invokingSettings">Settings for invoking</param>
/// <returns></returns>
protected virtual async Task InvokeAsync(Func <Task> func, InvokingSettings invokingSettings = null)
{
InvokingSettings settings = invokingSettings ?? new InvokingSettings();
try {
if (settings.Confirmation != null)
{
var confirmation = settings.Confirmation;
var result = await DialogService.ConfirmAsync(
confirmation.Message, confirmation.Title,
confirmation.OkButtonLabel, confirmation.CancelButtonLabel,
confirmation.CancellationToken);
if (result == false)
{
return;
}
}
DialogService.ShowLoading(settings.BusyMessage);
await func();
DialogService.HideLoading(settings.BusyMessage);
if (settings.Info != null)
{
var info = settings.Info;
await DialogService.ShowAlertAsync(
info.Message, info.Title, info.ButtonLabel);
}
if (settings.Callback != null)
{
await settings.Callback();
}
} catch (Exception) {
DialogService.HideLoading(settings.BusyMessage);
throw;
}
}