public void NotifyObservers(UpdatedInfo info)
{
foreach (IObserver o in observers)
{
o.Update(info);
}
}
public void Update(UpdatedInfo ob)
{
string message = ob.newRow == null ? ob.newColumn == null ? ob.updatedValue == null ? null :
$"{DateTime.Now} The value of a cell [{ob.updatedRowIndex}, {ob.updatedColumnIndex}] has been updated to {ob.updatedValue}.\n" :
$"{DateTime.Now} A new column has been added to the index {ob.newColumn}.\n" :
$"{DateTime.Now} A new row has been added to the index {ob.newRow}.\n";
log.Add(message);
}
public void Update(UpdatedInfo info)
{
}