private void Map_SelectedObjectChanged(CelestialObject body)
{
if (body != null)
{
SelectedObjectName = body.Names.First();
if (!SelectedObjectsMenuItems.Any())
{
SelectedObjectsMenuItems.Add(new MenuItemVM()
{
Header = "Clear all",
Command = ClearObjectsHistoryCommand
});
SelectedObjectsMenuItems.Add(null);
}
var existingItem = SelectedObjectsMenuItems.FirstOrDefault(i => body.Equals(i?.CommandParameter));
if (existingItem != null)
{
SelectedObjectsMenuItems.Remove(existingItem);
}
SelectedObjectsMenuItems.Insert(2, new MenuItemVM()
{
Command = CenterOnObjectCommand,
CommandParameter = body,
Header = SelectedObjectName
});
// 10 items of history + "clear all" + separator
if (SelectedObjectsMenuItems.Count > 13)
{
SelectedObjectsMenuItems.RemoveAt(0);
}
}
else
{
SelectedObjectName = "<No object>";
}
NotifyPropertyChanged(nameof(SelectedObjectName));
}
private void ClearObjectsHistory()
{
SelectedObjectsMenuItems.Clear();
}
