private void Editor_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null && e.NewItems.Count > 0)
{
foreach (object o in e.NewItems)
{
if (o is PageViewModel)
{
PageViewModel page = (PageViewModel)o;
RegisterPage(page);
WindowMenuItems.Add(new MenuItemViewModel(this, page.ProjectItem.Name, page.SelectPageCommand)
{
Identifier = page.Identifier
});
}
}
}
if (e.OldItems != null && e.OldItems.Count > 0)
{
foreach (object o in e.OldItems)
{
if (o is PageViewModel)
{
PageViewModel page = (PageViewModel)o;
UnregisterPage(page);
foreach (MenuItemViewModel item in WindowMenuItems)
{
if (item.Identifier == page.Identifier)
{
WindowMenuItems.Remove(item);
break;
}
}
}
}
}
}