Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/FormatModifier.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/FormatModifier.java
new file mode 100644 (file)
index 0000000..1bb9c3b
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/monitor/FormatModifier.java
@@ -0,0 +1,22 @@
+package org.simantics.modeling.ui.diagram.monitor;\r
+\r
+import org.simantics.browsing.ui.swt.widgets.impl.ModifyComboListenerImpl;\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
+\r
+public class FormatModifier extends ModifyComboListenerImpl<Resource, Resource> {\r
+\r
+       @Override\r
+       public void applySelection(WriteGraph graph, Resource monitor, Resource newFormatter) throws DatabaseException {\r
+               graph.markUndoPoint();\r
+               DiagramResource DIA = DiagramResource.getInstance(graph);\r
+               Resource exist = graph.getPossibleObject(monitor, DIA.HasFormatter);\r
+               if (newFormatter.equals(exist))\r
+                       return;\r
+               graph.deny(monitor, DIA.HasFormatter);\r
+               graph.claim(monitor, DIA.HasFormatter, newFormatter);\r
+       }\r
+\r
+}
\ No newline at end of file