public static bool HasDatabaseUri([NotNull] this IStartPageCommand command, [NotNull] StartPageContext context)
{
Assert.ArgumentNotNull(command, nameof(command));
Assert.ArgumentNotNull(context, nameof(context));
var result = context.StartPageViewer.DatabaseUri;
return(result != DatabaseUri.Empty);
}
private void Execute([NotNull] CommandDescriptor command)
{
Debug.ArgumentNotNull(command, nameof(command));
var startPage = this.GetAncestor<StartPageViewer>();
if (startPage == null)
{
return;
}
var context = new StartPageContext(startPage);
command.Command.Execute(context);
}
public static DatabaseUri GetDatabaseUri([NotNull] this IStartPageCommand command, [NotNull] StartPageContext context)
{
Assert.ArgumentNotNull(command, nameof(command));
Assert.ArgumentNotNull(context, nameof(context));
var result = context.StartPageViewer.DatabaseUri;
if (result != DatabaseUri.Empty)
{
return(result);
}
if (result == DatabaseUri.Empty)
{
var dialog = new SelectDatabaseDialog
{
SelectedDatabaseUri = AppHost.Settings.ActiveDatabaseUri
};
if (dialog.ShowDialog())
{
result = dialog.SelectedDatabaseUri;
if (result != DatabaseUri.Empty)
{
AppHost.Settings.ActiveDatabaseUri = result;
context.StartPageViewer.DatabaseUri = result;
context.StartPageViewer.UpdateLinks();
return(result);
}
}
}
return(DatabaseUri.Empty);
}
