/// <summary>
/// Checks whether the current project needs to be saved or not.
/// If it hasn't been saved, the user will be asked. If the user
/// decided not to save, any edits performed since the last save
/// will be discarded. This should be called when the Editor
/// application is being closed.
/// </summary>
internal void CheckSave()
{
// Always save project settings
if (m_Project != null)
{
m_Project.SaveSettings();
}
if (IsSaved)
{
return;
}
Session s = CadastralMapModel.Current.WorkingSession;
Debug.Assert(s != null);
if (MessageBox.Show("Do you want to save changes?", "Changes not saved", MessageBoxButtons.YesNo)
== DialogResult.Yes)
{
s.SaveChanges();
}
else
{
s.DiscardChanges();
}
}
/// <summary>
/// Records the fact that this project has been "saved". This doesn't actually
/// save anything, since that happens each time you perform an edit.
/// </summary>
internal void SaveChanges()
{
// Update the number of the last saved item (as far as the user's session
// is concerned). Note that m_Data.NumItem corresponds to what's already
// been saved in the database (well, it should).
Project p = EditingController.Current.Project;
m_LastSavedItem = p.LastItemId;
// Save the project settings for good measure.
p.SaveSettings();
}
/// <summary>
/// Closes a open project. If no edits have been performed, this will delete the file that
/// records the session. Otherwise the timestamp stored in the session file will be updated.
/// Local project settings will also be saved for luck.
/// </summary>
/// <param name="p">The project to close</param>
internal void CloseProject(Project p)
{
Session s = p.Model.WorkingSession;
if (s != null)
{
if (s.ChangeCount == 0)
{
string sessionFile = s.FileName;
File.Delete(sessionFile);
}
else
{
// Rollup the edits in the session
s.EndSession();
// Get rid of any undo folder
p.DeleteUndoFolder();
}
}
p.SaveSettings();
}