public GlobalItem UpdateItem(GlobalItem item, MSTSCoord coord, bool controlKey, bool forceConnector)
{
PointF closest = new PointF(0f, 0f);
StationItem parent = null;
StationAreaItem item3 = null;
PointF tf2 = new PointF(0f, 0f);
double snapSize = Viewer.snapSize;
double num2 = -1.0;
double positiveInfinity = double.PositiveInfinity;
PointF tf3 = coord.ConvertToPointF();
if (item.GetType() == typeof(StationAreaItem))
{
item3 = (StationAreaItem)item;
parent = item3.parent;
if (parent == null)
{
return(null);
}
}
else
{
if (typeof(StationItem) == item.GetType())
{
parent = (StationItem)item;
foreach (StationAreaItem item4 in parent.stationArea)
{
StationAreaItem item5 = parent.getNextArea(item4);
num2 = DrawUtility.FindDistanceToSegment(coord.ConvertToPointF(), new AESegment(item4.Location, item5.Location), out closest);
if ((num2 < snapSize) && (num2 < positiveInfinity))
{
positiveInfinity = num2;
item3 = item4;
}
}
parent.Update(coord);
return(parent);
}
if (!item.IsLineSnap())
{
item.Update(coord);
return(item);
}
}
TrackSegment segment = null;
int associateNodeIdx = 0;
foreach (TrackSegment segment2 in aeItems.getSegments())
{
segment2.unsetSnap();
num2 = DrawUtility.FindDistanceToSegment(coord.ConvertToPointF(), segment2, out closest);
if ((num2 < snapSize) && (num2 < positiveInfinity))
{
positiveInfinity = num2;
segment = segment2;
segment.setSnap();
tf2 = closest;
associateNodeIdx = segment.associateNodeIdx;
}
}
if (segment != null)
{
segment.setSnap();
}
if ((!item.IsLineSnap() || (segment != null)) || controlKey)
{
item3.Update(coord);
}
return(parent);
}
