internal IntersectOperation GetUpdateOp()
{
UpdateUI up = (m_Cmd as UpdateUI);
if (up == null)
{
return(null);
}
else
{
return(up.GetOp() as IntersectOperation);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="UpdatePathForm"/> class.
/// </summary>
/// <param name="update">The update command that's driving things (not null).</param>
/// <exception cref="ArgumentNullException">If the supplied update command is null.</exception>
internal UpdatePathForm(UpdateUI update)
{
InitializeComponent();
Owner = EditingController.Current.MainForm;
if (update == null)
{
throw new ArgumentNullException();
}
m_UpdCmd = update;
m_CurFaceIndex = -1;
m_pop = null;
// Get the object that was selected for update.
m_pop = (m_UpdCmd.GetOp() as PathOperation);
if (m_pop == null)
{
throw new ArgumentException("Cannot obtain original connection path for update");
}
// Get a working copy of the connection path legs
// TODO - This will not be suitable in a situation where staggered legs have been created
Leg[] legs = PathParser.CreateLegs(m_pop.EntryString, m_pop.EntryUnit);
m_Faces = new List <LegFace>();
foreach (Leg leg in legs)
{
m_Faces.Add(leg.PrimaryFace);
if (leg.AlternateFace != null)
{
m_Faces.Add(leg.AlternateFace);
}
}
m_Edits = new PathEditor(legs);
}
/// <summary>
/// Handles the Finish button.
/// </summary>
/// <returns>The point created at the intersection (null if an error was reported).
/// The caller is responsible for disposing of the dialog and telling the controller
/// the command is done)</returns>
internal override PointFeature Finish()
{
// The intersection SHOULD be defined (the Finish button should have
// been disabled if it wasn't)
IPosition x = intersectInfo.Intersection;
if (x == null)
{
MessageBox.Show("No intersection. Nothing to save");
return(null);
}
// If we're not doing an update, just save the edit
UpdateUI up = (GetCommand() as UpdateUI);
if (up == null)
{
return(SaveDistDist());
}
// Remember the changes as part of the UI object (the original edit remains
// unchanged for now)
IntersectTwoDistancesOperation op = (IntersectTwoDistancesOperation)up.GetOp();
UpdateItemCollection changes = op.GetUpdateItems(getDistance1.ObservedDistance,
getDistance1.From,
getDistance2.ObservedDistance,
getDistance2.From,
intersectInfo.IsDefault);
if (!up.AddUpdate(op, changes))
{
return(null);
}
// Return the point previously created at the intersect
return(op.IntersectionPoint);
}
NewCircleOperation GetUpdateOp()
{
UpdateUI up = (m_Cmd as UpdateUI);
return(up == null ? null : (NewCircleOperation)up.GetOp());
}