Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / symbolEditor / PopulateTerminal.java

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/symbolEditor/PopulateTerminal.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/symbolEditor/PopulateTerminal.java
new file mode 100644 (file)
index 0000000..ddcb7ff
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/symbolEditor/PopulateTerminal.java
@@ -0,0 +1,64 @@
+package org.simantics.modeling.symbolEditor;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.layer0.utils.direct.GraphUtils;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.structural.stubs.StructuralResource2;\r
+import org.simantics.structural2.utils.StructuralUtils;\r
+\r
+public class PopulateTerminal {\r
+\r
+    public static void addToGraph(WriteGraph g, Resource symbolDiagram, Resource relation, Resource terminal) throws DatabaseException {\r
+        StructuralResource2 STR = StructuralResource2.getInstance(g);\r
+        DiagramResource DIA = DiagramResource.getInstance(g);\r
+        ModelingResources MOD = ModelingResources.getInstance(g);\r
+        Layer0 L0 = Layer0.getInstance(g);\r
+\r
+        Resource definedElement = g.getSingleObject(symbolDiagram, STR.Defines);\r
+\r
+        // Check for existing terminal relation in\r
+        // the current defined element before creating new ones.\r
+        Resource terminalRelation = null;\r
+        for (Resource terminalRel : StructuralUtils.getConnectionRelations(g, definedElement)) {\r
+            for (Resource connectionRel : g.getObjects(terminalRel, MOD.DiagramConnectionRelationToConnectionRelation)) {\r
+                if (relation.equals(connectionRel)) {\r
+                    // Don't create new diagram-side terminal relation if one already\r
+                    // exists for the same connection relation.\r
+                    terminalRelation = terminalRel;\r
+                    break;\r
+                }\r
+            }\r
+        }\r
+\r
+        if (terminalRelation == null) {\r
+            terminalRelation = GraphUtils.create(g,\r
+//                    L0.SubrelationOf, STR.IsConnectedTo,\r
+                    MOD.DiagramConnectionRelationToConnectionRelation, relation,\r
+                    L0.PartOf, definedElement\r
+            );\r
+            g.claim(terminalRelation, L0.SubrelationOf, null, STR.IsConnectedTo);\r
+            Resource inverse = GraphUtils.create(g,\r
+//                    L0.SubrelationOf, STR.Connects, \r
+                    L0.PartOf, terminalRelation, \r
+                    L0.HasName, "Inverse");\r
+            g.claim(inverse, L0.SubrelationOf, null, STR.Connects);\r
+            g.claim(terminalRelation, L0.InverseOf, inverse);\r
+            String name = g.getPossibleRelatedValue(relation, L0.HasName, Bindings.STRING);\r
+            if(name != null)\r
+                g.claimLiteral(terminalRelation, L0.HasName, name);\r
+\r
+            for(Resource type : g.getObjects(relation, MOD.ImpliesDiagramConnectionRelationType))\r
+                g.claim(terminalRelation, L0.InstanceOf, type);\r
+\r
+            StructuralUtils.addConnectionPoint(g, definedElement, terminalRelation);\r
+        }\r
+\r
+        g.claim(terminal, DIA.HasConnectionPoint, terminalRelation);\r
+    }\r
+       \r
+}\r