private void FetchData()
{
bool wasSalvatorOn;
if (DataSalvator.switchedOn)
{
DataSalvator.switchedOn = false;
wasSalvatorOn = true;
}
else
{
wasSalvatorOn = false;
}
DataSalvator.FlushChanges();
Model = new DataModel();
AddEntryCommand.RaiseCanExecuteChanged();
if (Entries.Count > 0)
{
HighlightedEntry = Entries[0];
IncreaseBookCountCommand.RaiseCanExecuteChanged();
DecreaseBookCountCommand.RaiseCanExecuteChanged();
DeleteEntryCommand.RaiseCanExecuteChanged();
}
;
if (wasSalvatorOn)
{
DataSalvator.switchedOn = true;
}
}
private void DeleteEntry()
{
string remember = HighlightedEntry.Title;
DataSalvator.DeleteEntry(HighlightedEntry);
Entries.Remove(HighlightedEntry);
RaisePropertyChanged("Entries");
RaisePropertyChanged("HighlightedEntry");
ProvideFeedback("Deleted " + remember);
}
private void AddEntry()
{
Entries.Add(DataSalvator.NewEntry());
HighlightedEntry = Entries[Entries.Count - 1];
RaisePropertyChanged("Entries");
RaisePropertyChanged("HighlightedEntry");
DecreaseBookCountCommand.RaiseCanExecuteChanged();
DeleteEntryCommand.RaiseCanExecuteChanged();
ProvideFeedback("An entry added");
}
private void SendDataBack()
{
DataSalvator.SaveToDatabase();
ProvideFeedback("Changes saved.");
}
public void RemoveSuchBook()
{
DataSalvator.RemoveBookOfEntry(Index);
}
public void AddSuchBook()
{
DataSalvator.AddBookOfEntry(Index);
}
