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DiagramEditor - Manage nodes and edges separatly [message #722153] Sun, 04 September 2011 19:09 Go to next message
Nepomuk Seiler is currently offline Nepomuk SeilerFriend
Messages: 88
Registered: December 2010

Currently I'm trying to extend my editor with a diagram page. My model is a graph consisting of nodes and edges. Both are managed in a ListProperty. I implemented everything like the architecture example, besides the root entity. The root entity manage both nodes and edges.

IDataProcessingUnit.class snippet (root entity, graph)
	/* === Nodes === */

	@Type(base = INode.class)
	@XmlListBinding(path = "nodes", mappings = { @XmlListBinding.Mapping(element = "node", type = INode.class) })
	@Label(standard = "Nodes")
	ListProperty PROP_NODES = new ListProperty(TYPE, "nodes");

	ModelElementList<INode> getNodes();

	/* === Edges === */

	@Type(base = IEdge.class)
	@XmlListBinding(path = "edges", mappings = { @XmlListBinding.Mapping(element = "edge", type = IEdge.class) })
	@Label(standard = "Edges")
	ListProperty PROP_EDGES = new ListProperty(TYPE, "edges");

	ModelElementList<IEdge> getEdges();

INode.class snippet
/* === Node ID === */

	@XmlBinding(path = "@id")
	@Label(standard = "id")
	ValueProperty PROP_ID = new ValueProperty(TYPE, "id");

	Value<String> getId();

	void setId(String value);

	/* === Edges === */
        //I try to reference to the root path here!
	@Type(base = IEdge.class)
	@XmlListBinding(path = "/edges", mappings = { @XmlListBinding.Mapping(element = "edge", type = IEdge.class) })
	@Label(standard = "Edges")
	ListProperty PROP_EDGES = new ListProperty(TYPE, "edges");

	ModelElementList<IEdge> getEdges();

IEdge.class snippet

/* === Edge ID === */

	@Reference( target = INode.class )
	@Service( impl = NodeReferenceService.class )
	@XmlBinding(path = "@edgeId")
	@Label(standard = "EdgeId")
	ValueProperty PROP_EDGE_ID = new ValueProperty(TYPE, "edgeId");

	Value<String> getEdgeId();

	void setEdgeId(String value);

	/* === Source ID === */

	@XmlBinding(path = "@sourceId")
	@Label(standard = "SourceId")
        @PossibleValues( property = "/nodes/id" )
	ValueProperty PROP_SOURCE_ID = new ValueProperty(TYPE, "sourceId");

	Value<String> getSourceId();

	void setSourceID(String value);
	/* === Target ID === */

	@XmlBinding(path = "@targetId")
	@Label(standard = "TargetId")
	@PossibleValues( property = "/nodes/id" )
	ValueProperty PROP_TARGET_ID = new ValueProperty(TYPE, "targetId");

	Value<String> getTargetId();

	void setTargetID(String value);

If I create edges via the MasterDetailPage my xml-model looks right:

<?xml version="1.0" encoding="UTF-8"?>
<DataProcessingUnit name="myFirstDPU">
        <node id="Node1" />
        <node id="Node2" />
        <edge edgeId="e1" sourceId="Node1" targetId="Node2"/>

However if I use the Graphiti editor, it looks like:

<?xml version="1.0" encoding="UTF-8"?>
<DataProcessingUnit name="myFirstDPU">
        <node factoryId="fac1" id="Node1" type="processor" >
                <edge edgeId="Node2"></edge>
        <node factoryId="fac2" id="Node2" type="loader"/>

He only adds the edge in the Graphiti-Editor if I reference edgeIdas Endpoint2. If not, nothing is added.

Is it possible to reference a higher path in the xml-tree from a lower entity?

Re: DiagramEditor - Manage nodes and edges separatly [message #722159 is a reply to message #722153] Sun, 04 September 2011 19:58 Go to previous message
Konstantin Komissarchik is currently offline Konstantin KomissarchikFriend
Messages: 1077
Registered: July 2009
Senior Member
You have a list of edges defined twice. Once at the root of the model and again inside the node element. Those are two styles of edge representation. You typically want one or the other. If you look at the map sample, you will see how to implement either option... IMap.Routes (top-level) and IDestination.RailwayRoutes (part of node).

- Konstantin
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