/// <summary> /// Returns the graph of nodes reachable from the given <see cref="CompositionObject"/> root. /// </summary> /// <returns>A <see cref="Graph"/> from the given Composition tree.</returns> public static ObjectGraph <Node> FromCompositionObject(CompositionObject root, bool includeVertices) => ObjectGraph <Node> .FromCompositionObject(root, includeVertices);
XDocument ToXDocument(CompositionObject compositionObject)
{
// Build the graph of objects.
_objectGraph = ObjectGraph <ObjectData> .FromCompositionObject(compositionObject, includeVertices : true);
// Give names to each object.
foreach ((var node, var name) in CodeGen.NodeNamer <ObjectData> .GenerateNodeNames(_objectGraph.Nodes))
{
node.Name = name;
}
// Initialize each node.
foreach (var n in _objectGraph.Nodes)
{
n.Initialize(this);
}
// Second stage initialization - relies on all nodes having had the first stage of initialization.
foreach (var n in _objectGraph.Nodes)
{
n.Initialize2();
}
var rootNode = _objectGraph[compositionObject];
// Give the root object a special name and category.
rootNode.Name = $"{rootNode.Name} (Root)";
rootNode.Category = CategoryRoot;
// Get the groups.
var groups = GroupTree(rootNode, null).ToArray();
// Get the Nodes for the objects that are going to show up in the DGML.
var objectNodes = _objectGraph.Nodes.Where(n => n.IsDgmlNode).ToArray();
// Create the DGML nodes.
var nodes =
from n in objectNodes
select CreateNodeXml(id : n.Id, label : n.Name, category : n.Category.Id);
// Create the DGML nodes for the groups.
nodes = nodes.Concat(
from gn in groups
select CreateNodeXml(id: gn.Id, label: gn.GroupName, @group: "Expanded"));
// Create the categories used by object nodes.
var categories =
(from n in objectNodes
select n.Category).Distinct();
// Create the links between the nodes.
var links =
from n in objectNodes
from otherNode in n.Children
select new XElement(ns + "Link", new XAttribute("Source", n.Id), new XAttribute("Target", otherNode.Id));
// Create the "contains" links for the nodes contained in groups.
var containsLinks =
(from g in groups
from member in g.ItemsInGroup
select new XElement(ns + "Link", new XAttribute("Source", g.Id), new XAttribute("Target", member.Id), new XAttribute("Category", "Contains"))).ToArray();
// Create the "contains" links for the groups contained in groups
var groupContainsGroupsLinks =
(from g in groups
from member in g.GroupsInGroup
select new XElement(ns + "Link", new XAttribute("Source", g.Id), new XAttribute("Target", member.Id), new XAttribute("Category", "Contains"))).ToArray();
containsLinks = containsLinks.Concat(groupContainsGroupsLinks).ToArray();
// Create the XML
return(new XDocument(
new XElement(
ns + "DirectedGraph",
new XElement(ns + "Nodes", nodes),
new XElement(ns + "Links", links.Concat(containsLinks)),
new XElement(
ns + "Categories",
categories.Select(c => c.ToXElement()).Append(
new XElement(
ns + "Category",
new XAttribute("Id", "Contains"),
new XAttribute("Label", "Contains"),
new XAttribute("Description", "Whether the source of the link contains the target object"),
new XAttribute("CanBeDataDriven", "False"),
new XAttribute("CanLinkedNodesBeDataDriven", "True"),
new XAttribute("IncomingActionLabel", "Contained By"),
new XAttribute("IsContainment", "True"),
new XAttribute("OutgoingActionLabel", "Contains")))
),
new XElement(
ns + "Properties",
CreatePropertyXml(id: "Bounds", dataType: "System.Windows.Rect"),
CreatePropertyXml(id: "CanBeDataDriven", label: "CanBeDataDriven", description: "CanBeDataDriven", dataType: "System.Boolean"),
CreatePropertyXml(id: "CanLinkedNodesBeDataDriven", label: "CanLinkedNodesBeDataDriven", description: "CanLinkedNodesBeDataDriven", dataType: "System.Boolean"),
CreatePropertyXml(id: "Group", label: "Group", description: "Display the node as a group", dataType: "Microsoft.VisualStudio.GraphModel.GraphGroupStyle"),
CreatePropertyXml(id: "IncomingActionLabel", label: "IncomingActionLabel", description: "IncomingActionLabel", dataType: "System.String"),
CreatePropertyXml(id: "IsContainment", dataType: "System.Boolean"),
CreatePropertyXml(id: "Label", label: "Label", description: "Displayable label of an Annotatable object", dataType: "System.String"),
CreatePropertyXml(id: "Layout", dataType: "System.String"),
CreatePropertyXml(id: "OutgoingActionLabel", label: "OutgoingActionLabel", description: "OutgoingActionLabel", dataType: "System.String"),
CreatePropertyXml(id: "UseManualLocation", dataType: "System.Boolean"),
CreatePropertyXml(id: "ZoomLevel", dataType: "System.String")
)
)
));
}
