IEnumerable<PersonViewModel> FindMatches(string searchText, PersonViewModel person)
{
if (person.NameContainsText(searchText))
yield return person;
foreach (PersonViewModel child in person.Children)
foreach (PersonViewModel match in this.FindMatches(searchText, child))
yield return match;
}
private PersonViewModel(Person person, PersonViewModel parent)
{
_person = person;
_parent = parent;
_children = new ReadOnlyCollection<PersonViewModel>(
(from child in _person.Children
select new PersonViewModel(child, this))
.ToList<PersonViewModel>());
}
public FamilyTreeViewModel(Person rootPerson)
{
_rootPerson = new PersonViewModel(rootPerson);
_firstGeneration = new ReadOnlyCollection<PersonViewModel>(
new PersonViewModel[]
{
_rootPerson
});
_searchCommand = new SearchFamilyTreeCommand(this);
}