private void CreateNewFamily()
{
// Create a personmodel
PersonModel personModel = new PersonModel();
personModel.FirstName = "First Name";
personModel.LastName = "Last Name";
personModel.Gender = "Not Specified";
personModel.DOB = DateTime.Now;
personModel.GenerationIndex = 0;
personModel.SiblingIndex = 0;
// Create a familymodel and add the personmodel
FamilyModel newFamily = new FamilyModel();
newFamily.PersonSettings = new PersonSettings();
newFamily.RelationshipSettings = new RelationshipSettings();
newFamily.Tree = new Tree();
newFamily.Members = new ObservableCollection<PersonModel>() { };
newFamily.Relationships = new ObservableCollection<RelationshipModel>() { };
newFamily.Members.Add(personModel);
// Mark the personmodel as selected
newFamily.Tree.SelectedPersonId = personModel.Id;
// Restore this new familymodel into the workspace
RestoreFamilyModel(newFamily);
newFamily.CopyProperties(GetCurrentFamilyModel());
SavedFamilyModel = newFamily;
SavedFamilyModel.CopyProperties(GetCurrentFamilyModel());
// Set the title
Title = "Family Explorer - NewFamily.fex";
// Clear undo-redo records
RecordedFamilyModels.Clear();
UndoneFamilyModels.Clear();
}
public void Redo_Executed()
{
// Return if there are no recorded models
if (UndoneFamilyModels.Count < 1) { return; }
// Do not record changes during the redo
disableChangeRecording = true;
// Get the recorded model that was undone
FamilyModel modelToRestore = UndoneFamilyModels.Last();
// Remove the records
UndoneFamilyModels.Remove(modelToRestore);
RedoDescriptions.Remove(RedoDescriptions.Last());
// Record the current model in the done list
FamilyModel recordModel = new FamilyModel();
recordModel.CopyProperties(currentFamilyModel);
RecordedFamilyModels.Add(recordModel);
UndoDescriptions.Add(Redo_ToolTip.Replace("Redo", "Undo"));
// Refresh the undo-redo tooltips
if (UndoDescriptions.Count() > 0) { Undo_ToolTip = UndoDescriptions.Last(); }
else { Undo_ToolTip = "Undo..."; }
if (RedoDescriptions.Count() > 0) { Redo_ToolTip = RedoDescriptions.Last(); }
else { Redo_ToolTip = "Redo..."; }
// Restore
RestoreFamilyModel(modelToRestore);
disableChangeRecording = false;
}
private void RecordFamilyChange(string changeDescription)
{
// Do not record redo-undo commands
if (disableChangeRecording) { return; }
// If this change occurred within the last xxx ms of the previous change, assume it is a cascading change and ingnore
if (lastChangeTime != null)
{
if (DateTime.Now - lastChangeTime < new TimeSpan(0, 0, 0, 0, 50))
{
// Make note of the new status
CurrentFamilyModel = GetCurrentFamilyModel();
lastChangeTime = DateTime.Now;
return;
}
}
// Record the status before the change
FamilyModel recordModel = new FamilyModel();
recordModel.CopyProperties(currentFamilyModel);
RecordedFamilyModels.Add(recordModel); //TODO: need to create a new object, currently storing the same object repeatedly
UndoDescriptions.Add("Undo " + changeDescription);
// Clear redo list on new changes
UndoneFamilyModels.Clear();
RedoDescriptions.Clear();
// Make note of the new status
CurrentFamilyModel = GetCurrentFamilyModel();
Undo_ToolTip = UndoDescriptions.Last();
// Refresh undo-redo tooltips
if (UndoDescriptions.Count() > 0) { Undo_ToolTip = UndoDescriptions.Last(); }
else { Undo_ToolTip = "Undo..."; }
Redo_ToolTip = "Redo...";
// Check if different from saved copy
//if (SavedFamilyModel.IsEqual(GetCurrentFamilyModel())) { HasChanges = false; }
//else { HasChanges = true; }
// Refresh can executes
Undo.RaiseCanExecuteChanged();
Redo.RaiseCanExecuteChanged();
// Record change time
lastChangeTime = DateTime.Now;
}
