private void deleteButton_Click(object sender, EventArgs e)
{
if (currentPlanetarySystem != null && planetarySystemTreeView.Nodes[0].IsSelected)
{
Database.DeletePlanetarySystem(currentPlanetarySystem.Name);
}
else
{
if (selectedBody != null)
{
if (selectedBody is Planet)
{
currentPlanetarySystem.RemovePlanet(selectedBody.Name);
}
else if (selectedBody is Moon)
{
string planetName = planetarySystemTreeView.SelectedNode.Parent.Parent.Text;
var planetQuery = from p in currentPlanetarySystem.Planets
where p.Name == planetName
select p;
Planet planet = planetQuery.FirstOrDefault();
if (planet != null)
{
planet.RemoveMoon(selectedBody.Name);
}
}
else if (selectedBody is Asteroid)
{
currentPlanetarySystem.RemoveAsteroid(selectedBody.Name);
}
else if (selectedBody is ArtificialObject)
{
currentPlanetarySystem.RemoveArtificialObject(selectedBody.Name);
}
}
Refresh();
}
}