bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/CurrentExpressionFactory.java

   1 package org.simantics.modeling.ui.diagram.monitor;\r
   2 \r
   3 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;\r
   4 import org.simantics.db.ReadGraph;\r
   5 import org.simantics.db.Resource;\r
   6 import org.simantics.db.exception.DatabaseException;\r
   7 import org.simantics.operation.Layer0X;\r
   8 \r
   9 public class CurrentExpressionFactory extends ReadFactoryImpl<Resource, String> {\r
  10 \r
  11         @Override\r
  12         public String perform(ReadGraph graph, Resource monitor) throws DatabaseException {\r
  13                 \r
  14                 Layer0X L0X = Layer0X.getInstance(graph);\r
  15                 String exp = graph.getPossibleRelatedAdapter(monitor, L0X.HasExpression, String.class);\r
  16                 return exp != null ? exp : "value";\r
  17                 \r
  18         }\r
  19         \r
  20 }\r