public static void AddMeasurableQuantityAssociation(this InstrumentType entry,
MeasurableQuantity quantity)
{
// Create a new association between an instrument Type and a quantity
using (LabDbEntities entities = new LabDbEntities())
{
entities.InstrumentTypes
.First(ist => ist.ID == entry.ID)
.MeasurableQuantities
.Add(entities
.MeasurableQuantities
.First(meq => meq.ID == quantity.ID));
entities.SaveChanges();
}
}
public static void RemoveMeasurableQuantityAssociation(this InstrumentType entry,
MeasurableQuantity quantity)
{
// Removes an association between an instrument Type and a quantity
using (LabDbEntities entities = new LabDbEntities())
{
MeasurableQuantity toBeRemoved = entities.MeasurableQuantities
.First(meq => meq.ID == quantity.ID);
entities.InstrumentTypes
.First(ist => ist.ID == entry.ID)
.MeasurableQuantities
.Remove(toBeRemoved);
entities.SaveChanges();
}
}
public MeasurableQuantity CreateNewMeasurableQuantity()
{
StringInputDialog creationDialog = new StringInputDialog
{
Title = "Crea nuova quantità misurabile"
};
if (creationDialog.ShowDialog() == true)
{
MeasurableQuantity output = new MeasurableQuantity()
{
Name = creationDialog.InputString
};
_labDbData.Execute(new InsertEntityCommand(output));
return(output);
}
return(null);
}
public void SetQuantity(MeasurableQuantity entry)
{
_selectedMeasurableQuantity = MeasurableQuantityList.First(meq => meq.ID == entry.ID);
RaisePropertyChanged("SelectedMeasurableQuantity");
}