private static XYPlotLayer CreateNewLayerAtSamePosition(this GraphDocument doc, IEnumerable <int> linklayernumber)
{
var isValidIndex = doc.RootLayer.IsValidIndex(linklayernumber, out var oldLayer);
if (!isValidIndex)
{
throw new ArgumentOutOfRangeException("index was not valid");
}
IItemLocation location;
if (oldLayer.Location is ItemLocationByGrid)
{
location = (IItemLocation)oldLayer.Location.Clone();
}
else if (oldLayer.Location is ItemLocationDirect)
{
// 1. check if it is possible to create a grid in the parent layer of the old layer
if (null != oldLayer.ParentLayer && oldLayer.ParentLayer.CanCreateGridForLocation((ItemLocationDirect)oldLayer.Location))
{
ItemLocationByGrid gridCell = oldLayer.ParentLayer.CreateGridForLocation((ItemLocationDirect)oldLayer.Location);
oldLayer.Location = gridCell.Clone();
location = gridCell.Clone();
}
else // if we can not create a grid, then we must set the location to that of the the oldLayer, but of course then the two layer locations are not linked
{
location = (IItemLocation)oldLayer.Location.Clone();
}
}
else
{
throw new NotImplementedException("Location type not implemented");
}
var newLayer = new XYPlotLayer(oldLayer.ParentLayer, location);
doc.RootLayer.InsertLast(linklayernumber, newLayer);
return(newLayer);
}
public ItemLocationByGrid(ItemLocationByGrid from)
{
CopyFrom(from);
}