Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.ui / src / org / simantics / ui / selection / VariableWorkbenchSelectionElement.java

diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/selection/VariableWorkbenchSelectionElement.java b/bundles/org.simantics.ui/src/org/simantics/ui/selection/VariableWorkbenchSelectionElement.java
new file mode 100644 (file)
index 0000000..1f49fac
--- /dev/null
+++ b/bundles/org.simantics.ui/src/org/simantics/ui/selection/VariableWorkbenchSelectionElement.java
@@ -0,0 +1,58 @@
+package org.simantics.ui.selection;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.UnaryRead;\r
+import org.simantics.db.common.utils.Logger;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+\r
+public class VariableWorkbenchSelectionElement implements WorkbenchSelectionElement {\r
+       \r
+       final private Variable variable;\r
+       \r
+       public VariableWorkbenchSelectionElement(Variable variable) {\r
+               this.variable = variable;\r
+       }\r
+       \r
+    @SuppressWarnings("unchecked")\r
+    @Override\r
+    public <T> T getContent(WorkbenchSelectionContentType<T> contentType) {\r
+       if(contentType instanceof AnyResource) {\r
+               AnyResource type = (AnyResource)contentType;\r
+            try {\r
+                return (T) type.processor.sync(new UnaryRead<Variable, Resource>(variable) {\r
+                    @Override\r
+                    public Resource perform(ReadGraph graph) throws DatabaseException {\r
+                       return parameter.getRepresents(graph);\r
+                    }\r
+                });\r
+            } catch (DatabaseException e) {\r
+                Logger.defaultLogError(e);\r
+            }\r
+       }\r
+       else if(contentType instanceof AnyVariable) {\r
+               return (T)variable;\r
+        } \r
+        return null;\r
+    }\r
+       \r
+       @Override\r
+       public int hashCode() {\r
+               return variable.hashCode();\r
+       }\r
+       \r
+       @Override\r
+       public boolean equals(Object object) {\r
+        if (this == object)\r
+            return true;\r
+        else if (object == null)\r
+            return false;\r
+        else if (!(object instanceof VariableWorkbenchSelectionElement))\r
+            return false;\r
+        VariableWorkbenchSelectionElement vwse = (VariableWorkbenchSelectionElement)object;\r
+        return variable.equals(vwse.variable);\r
+       }\r
+    \r
+\r
+}\r