private void LinkNodeLinks(Mem.Link l, Mem.Node n)
{
if (n != null)
{
foreach (Mem.Link attLnk in n.Links)
{
if (attLnk != l) // don't add ourselves
{
l.AttachedLinks.Add(attLnk);
}
}
}
}
public void DoWork(object sender, DoWorkEventArgs e)
{
try
{
info.InfoText = "Calculating";
info.OnPropertyChanged("InfoText");
info.CanImport = false;
info.OnPropertyChanged("CanImport");
IQueryable <Data.Node> nodeQuery = (from n in DataContext.Nodes
select n);
#region Limit query
if (info.EastingsMin.HasValue)
{
nodeQuery = (from n in nodeQuery
where n.Easting > info.EastingsMin
select n);
}
if (info.EastingsMax.HasValue)
{
nodeQuery = (from n in nodeQuery
where n.Easting < info.EastingsMax
select n);
}
if (info.NorthingsMin.HasValue)
{
nodeQuery = (from n in nodeQuery
where n.Northing > info.NorthingsMin
select n);
}
if (info.NorthingsMax.HasValue)
{
nodeQuery = (from n in nodeQuery
where n.Northing < info.NorthingsMax
select n);
}
#endregion
IQueryable <Data.Link> linkQuery = (from l in DataContext.Links
from n in nodeQuery
where l.ANode == n.ID || l.BNode == n.ID
select l).Distinct();
int nodeNo = nodeQuery.Count();
int linkNo = linkQuery.Count();
info.MaxRecords = nodeNo + linkNo;
info.InfoText = "Nodes: " + nodeNo + ", Links: " + linkNo + Environment.NewLine;
info.OnPropertyChanged("MaxRecords");
info.OnPropertyChanged("InfoText");
Model = new TransportModel.Model.Model();
info.InfoText += "Loading nodes" + Environment.NewLine;
info.OnPropertyChanged("InfoText");
foreach (Data.Node n in nodeQuery)
{
if (CheckForCancellation(this.worker, e))
{
return;
}
Mem.Node memNode = new TransportModel.Model.Node(n.ID, n.Easting, n.Northing);
Model.AllNodes.Add(n.ID, memNode);
info.RecordNumber++;
info.OnPropertyChanged("RecordNumber");
}
info.InfoText += "Loading links" + Environment.NewLine;
info.OnPropertyChanged("InfoText");
foreach (Data.Link l in linkQuery)
{
if (CheckForCancellation(this.worker, e))
{
return;
}
Mem.Link link = new TransportModel.Model.Link(l.ID, l.Length, l.Attributes, l.Polyline);
if (l.ANode.HasValue && Model.AllNodes.ContainsKey(l.ANode.Value))
{
link.StartNode = Model.AllNodes[l.ANode.Value];
if (link.StartNode != null)
{
link.StartNode.Links.Add(link);
}
}
if (l.BNode.HasValue && Model.AllNodes.ContainsKey(l.BNode.Value))
{
link.EndNode = Model.AllNodes[l.BNode.Value];
if (link.EndNode != null)
{
link.EndNode.Links.Add(link);
}
}
if (!Model.AllLinks.ContainsKey(l.ID))
{
Model.AllLinks.Add(l.ID, link);
}
else
{
info.InfoText += "Link id " + l.ID + " already used" + Environment.NewLine;
info.OnPropertyChanged("InfoText");
}
info.RecordNumber++;
info.OnPropertyChanged("RecordNumber");
}
info.InfoText += "Linking links" + Environment.NewLine;
info.OnPropertyChanged("InfoText");
ProjNet.CoordinateSystems.GeographicCoordinateSystem a = ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84;
foreach (Mem.Link lnk in Model.AllLinks.Values)
{
LinkNodeLinks(lnk, lnk.StartNode);
LinkNodeLinks(lnk, lnk.EndNode);
}
info.InfoText += "Getting attributes" + Environment.NewLine;
info.OnPropertyChanged("InfoText");
List <Mem.Attribute> allAttributes = (from attr in DataContext.AttributeLists
select new Mem.Attribute(attr.name, attr.value, attr.node, attr.arrayindex, attr.ATOB_mask, attr.BTOA_mask)).ToList();
Model.Attributes = allAttributes;
info.InfoText += "Done" + Environment.NewLine;
info.OnPropertyChanged("InfoText");
}
catch (Exception ex)
{
info.InfoText += "Problem!!!!!!!" + Environment.NewLine + ex.ToString() + Environment.NewLine + ex.StackTrace;
info.OnPropertyChanged("InfoText");
}
}