Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/CurrentExpressionFactory.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/CurrentExpressionFactory.java
new file mode 100644 (file)
index 0000000..68c89aa
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/CurrentExpressionFactory.java
@@ -0,0 +1,20 @@
+package org.simantics.modeling.ui.diagram.monitor;\r
+\r
+import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.operation.Layer0X;\r
+\r
+public class CurrentExpressionFactory extends ReadFactoryImpl<Resource, String> {\r
+\r
+       @Override\r
+       public String perform(ReadGraph graph, Resource monitor) throws DatabaseException {\r
+               \r
+               Layer0X L0X = Layer0X.getInstance(graph);\r
+               String exp = graph.getPossibleRelatedAdapter(monitor, L0X.HasExpression, String.class);\r
+               return exp != null ? exp : "value";\r
+               \r
+       }\r
+       \r
+}\r