/// <summary>
/// Obtiene el número de elementos no leídos
/// </summary>
public int GetNumberNotRead()
{
// Calcula el número de elementos no leídos
NumberNotRead = Blogs.GetNumberNotRead() + Folders.GetNumberNotRead();
// Y devuelve el valor
return(NumberNotRead);
}
/// <summary>
/// Comprueba si se puede ejecutar una acción
/// </summary>
protected override bool CanExecuteAction(string action, object parameter)
{
switch (action)
{
case nameof(FirstPageCommand):
case nameof(PreviousPageCommand):
return(ActualPage > 1);
case nameof(LastPageCommand):
case nameof(NextPageCommand):
return(ActualPage < Pages);
case nameof(DeleteCommand):
return(SelectedEntry != null || (SelectedEntry == null && Blogs.GetNumberNotRead() == 0 && Entries.Count > 0));
case nameof(MarkAsReadCommand):
case nameof(MarkAsNotReadCommand):
case nameof(MarkAsInterestingCommand):
return(SelectedEntry != null);
case nameof(ExportEntriesCommand):
case nameof(PlayCommand):
return(true);
default:
return(false);
}
}
