public WizardViewModelBase()
{
CancelCommand = ReactiveCommand.Create(ExecuteCancelCommand, outputScheduler: RxApp.MainThreadScheduler);
var canExecuteFinishCommand = this.WhenAnyValue(x => x.CanFinish,
(canFinish) => (canFinish == true));
FinishCommand = ReactiveCommand.Create(ExecuteFinishCommand, canExecuteFinishCommand, RxApp.MainThreadScheduler);
var canExecuteHelpCommand = this.WhenAnyValue(x => x.IsHelpButtonVisible,
(isHelpAvailable) => (isHelpAvailable == true));
HelpCommand = ReactiveCommand.Create(ExecuteHelpCommand, canExecuteHelpCommand, RxApp.MainThreadScheduler);
var canExecuteNextPageCommand = this.WhenAnyValue(x => x.HasNextPage,
(nextPageExists) => (nextPageExists == true));
NextPageCommand = ReactiveCommand.Create(ExecuteNextPageCommand, canExecuteNextPageCommand, RxApp.MainThreadScheduler); //new DelegateCommand(x => ExecuteNextPageCommand(), x => CanExecuteNextPageCommand());//
var canExecutePreviousPageCommand = this.WhenAnyValue(x => x.HasPreviousPage,
(previousPageExists) => (previousPageExists == true));
PreviousPageCommand = ReactiveCommand.Create(ExecutePreviousPageCommand, canExecutePreviousPageCommand, RxApp.MainThreadScheduler); //new DelegateCommand(x => ExecutePreviousPageCommand(), x => CanExecutePreviousPageCommand());//
WizardPages.CollectionChanged += (o, e) =>
{
CurrentPage = WizardPages.FirstOrDefault();
UpdatePageCommand();
};
}
public async Task <Download?> DownloadAsync(Server server)
{
if (server.DownloadUrl == null)
{
throw new ArgumentNullException(nameof(server.DownloadUrl));
}
var download = new Download(server.DownloadUrl, server.InstallationPath);
if (!download.CanStart())
{
return(null);
}
_downloads.Remove(_downloads.FirstOrDefault(d => d.ForkAndVersion == download.ForkAndVersion));
_downloads.Add(download);
await download.StartAsync(_http);
return(download);
}