private void HandleNodeGroupNodeAdditions(Node nd)
{
// basic case where the node group is empty...
if (this.queryNodeGroup.GetNodeCount() == 0)
{
Debug.WriteLine("Adding a single node to an empty nodeGroup. the URI was " + nd.GetFullUriName());
this.queryNodeGroup.AddOneNode(nd, null, null, null);
this.nodegroupCanvas.CheckNodeAdded();
}
else
{ // add it as needed.
// get all of the fullUris for the potential targets:
List <String> targetUris = new List <String>();
foreach (Node n in this.queryNodeGroup.GetNodeList())
{
targetUris.Add(n.GetFullUriName());
}
List <OntologyPath> availablePaths = this.oInfo.FindAllPaths(nd.GetFullUriName(), targetUris, "http://");
// build the path that captures this connection of the start class to the new one.
Dictionary <String, ListViewPathAnchorEntry> precursorPaths = new Dictionary <string, ListViewPathAnchorEntry>();
// add an empty precursor path. these things are useful...
ListViewPathAnchorEntry baseEntry = new ListViewPathAnchorEntry(null);
precursorPaths.Add("disconnected", baseEntry);
foreach (OntologyPath op in availablePaths)
{
String acn = op.GetAnchorClassName();
foreach (Node matchingNode in this.queryNodeGroup.GetNodeByURI(acn))
{
String sId = matchingNode.GetSparqlID();
if (precursorPaths.ContainsKey(sId))
{
precursorPaths[sId].AddNewPath(op);
}
else
{
ListViewPathAnchorEntry curr = new ListViewPathAnchorEntry(matchingNode);
curr.AddNewPath(op);
precursorPaths.Add(sId, curr);
}
}
}
// add to the listview.
this.connectionPositionView.ItemsSource = precursorPaths.Values;
FlyoutBase.ShowAttachedFlyout(this.ontologyBoxControl);
}
}
private void connectionPositionView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (connectionPositionView.SelectedIndex == -1)
{
return;
}
else if (connectionPositionView.SelectedIndex == 0)
{ // we are using the disconnected base
Node nodeAdded = this.queryNodeGroup.AddNode(((ListViewOntologyInfoEntry)this.oInfoView.SelectedItem).OClass.GetNameString(false), this.oInfo);
this.nodegroupCanvas.CheckNodeAdded();
this.AnchorFlyout.Hide();
}
else
{
List <OntologyPath> pathCollection = null;
List <ListViewPathEntry> displayCollection = new List <ListViewPathEntry>();
ListViewPathAnchorEntry lvpae = (ListViewPathAnchorEntry)this.connectionPositionView.SelectedItem;
foreach (ListViewPathAnchorEntry curr in this.connectionPositionView.Items)
{ // find the proper one.
if (connectionPositionView.SelectedItem.Equals(curr))
{
pathCollection = curr.PathList;
foreach (OntologyPath pt in pathCollection)
{
ListViewPathEntry lvpe = new ListViewPathEntry(pt, lvpae.Anchor);
displayCollection.Add(lvpe);
}
break;
}
}
if (pathCollection != null)
{
this.connectionSelectionView.ItemsSource = displayCollection;
Flyout.ShowAttachedFlyout(this.AnchorGrid);
}
}
}
