1 files changed, 53 insertions, 0 deletions
diff --git a/extraplugins/requirements/org.eclipse.papyrus.requirements.sysml.testers/src/org/eclipse/papyrus/requirements/sysml/testers/ModelTester.java b/extraplugins/requirements/org.eclipse.papyrus.requirements.sysml.testers/src/org/eclipse/papyrus/requirements/sysml/testers/ModelTester.java
new file mode 100644
index 00000000000..2da1ad731f8
--- /dev/null
+++ b/extraplugins/requirements/org.eclipse.papyrus.requirements.sysml.testers/src/org/eclipse/papyrus/requirements/sysml/testers/ModelTester.java
@@ -0,0 +1,53 @@
+/*****************************************************************************
+ * Copyright (c) 2016 CEA LIST.
+ *
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * 
+ * 		Mauricio Alferez (mauricio.alferez@cea.fr) CEA LIST - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.requirements.sysml.testers;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.uml2.uml.Model;
+
+/**
+ * This class helps to test if the selected element is a UML Model or not
+ */
+public class ModelTester extends PropertyTester {
+
+	public static final String isModel = "isModel";//NLS
+	
+	@Override
+	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
+		if (isModel.equals(property)) {
+			boolean testResult = isExpected((IStructuredSelection) receiver);
+
+			return expectedValue.equals(testResult);
+		}
+		return false;
+	}
+	private boolean isExpected(IStructuredSelection receiver) {
+		for (Object current : receiver.toArray()) {
+			// Adapt current selection to EObject
+			if (current instanceof IAdaptable) {
+				EObject eObj = (EObject) ((IAdaptable) current)
+						.getAdapter(EObject.class);
+				if (eObj instanceof Model)
+					return true;
+			}
+			return false;
+		}
+		return false;
+	}
+
+}