Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / diagram / monitor / ObtainedExpressionAdapter.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/ObtainedExpressionAdapter.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/ObtainedExpressionAdapter.java
new file mode 100644 (file)
index 0000000..b6ed6de
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/ObtainedExpressionAdapter.java
@@ -0,0 +1,38 @@
+package org.simantics.modeling.ui.diagram.monitor;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RelationContext;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Statement;\r
+import org.simantics.db.common.adaption.SimpleContextualAdapter;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.property.OrderedResource;\r
+import org.simantics.operation.Layer0X;\r
+\r
+public class ObtainedExpressionAdapter extends SimpleContextualAdapter<String, RelationContext> {\r
+\r
+       @Override\r
+       public String adapt(ReadGraph graph, Resource source, RelationContext context) throws DatabaseException {\r
+               \r
+               Layer0X L0X = Layer0X.getInstance(graph);\r
+               ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();\r
+               for(Statement stm : graph.getStatements(context.getSubject(), L0X.ObtainsProperty)) {\r
+                       Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);\r
+                       order.add(new OrderedResource(position, stm.getObject()));\r
+               }\r
+               if (order.size() > 1)\r
+                       Collections.sort(order);\r
+               for(OrderedResource or : order) {\r
+                       String result = graph.getPossibleRelatedAdapter(or.r, L0X.HasExpression, String.class);\r
+                       if(result != null) return result;\r
+               }\r
+               \r
+               return null;\r
+               \r
+       }\r
+\r
+}\r