private void CreateSubGraph(EntityEx group)
{
ISubGraphModel sgmodel = myDiagram.Model as ISubGraphModel;
if (sgmodel == null)
{
return;
}
var nodes = MainDataCollection;
if (group == null)
{
var rootCollection = nodes.Where(n => String.IsNullOrEmpty(n.RootName));
foreach (EntityEx entity in rootCollection)
{
entity.Color = String.Format("#{0:X}{1:X}{2:X}", 80 + rand.Next(100), 80 + rand.Next(100), 80 + rand.Next(100));
entity.IsSubGraph = true;
if (group != null)
{
entity.SubGraphKey = group.Key;
}
sgmodel.AddNode(entity);
}
// GraphLinksModel<EntityEx, String, String, Relationship> model = myDiagram.Model as GraphLinksModel<EntityEx, String, String, Relationship>;
// model.LinksSource = new ObservableCollection<Relationship>() {
// new Relationship() { From="SVMEmailSignatureType", To="ASMComplexSystemType", Text="0..N", ToText="1" }
//};
GraphLinksModel <EntityEx, String, String, Relationship> model = myDiagram.Model as GraphLinksModel <EntityEx, String, String, Relationship>;
model.LinksSource = mainRelationCollection;
}
else
{
var rootCollection = nodes.Where(n => n.RootName.Equals(group.Key));
foreach (EntityEx entity in rootCollection)
{
entity.Color = String.Format("#{0:X}{1:X}{2:X}", 80 + rand.Next(100), 80 + rand.Next(100), 80 + rand.Next(100));
entity.IsSubGraph = false;
if (group != null)
{
entity.SubGraphKey = group.Key;
}
sgmodel.AddNode(entity);
}
}
myDiagram.InitialCenteredNodeData = sgmodel.NodesSource.OfType <EntityEx>().First();
}
private void CollapseExpandButton_Click(object sender, RoutedEventArgs e)
{
Button button = (Button)sender;
Group sg = Part.FindAncestor <Group>(button);
if (sg != null)
{
EntityEx subgraphdata = (EntityEx)sg.Data;
if (!subgraphdata.IsSubGraph)
{
return;
}
if (!subgraphdata.EverExpanded && !sg.IsExpandedSubGraph)
{
subgraphdata.EverExpanded = true;
CreateSubGraph(subgraphdata);
}
sg.IsExpandedSubGraph = !sg.IsExpandedSubGraph;
myDiagram.Panel.CenterPart(sg);
}
}
