1 files changed, 67 insertions, 0 deletions
diff --git a/extraplugins/requirements/org.eclipse.papyrus.requirements.sysml.assistant.handlers/src/org/eclipse/papyrus/requirements/sysml/assistant/handlers/AddDerivedLinkReqHandler.java b/extraplugins/requirements/org.eclipse.papyrus.requirements.sysml.assistant.handlers/src/org/eclipse/papyrus/requirements/sysml/assistant/handlers/AddDerivedLinkReqHandler.java
new file mode 100644
index 00000000000..a39495d168f
--- /dev/null
+++ b/extraplugins/requirements/org.eclipse.papyrus.requirements.sysml.assistant.handlers/src/org/eclipse/papyrus/requirements/sysml/assistant/handlers/AddDerivedLinkReqHandler.java
@@ -0,0 +1,67 @@
+/*****************************************************************************
+ * Copyright (c) 2015 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:
+ *     Patrick Tessier (patrick.tessier@cea.fr) CEA LIST. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.papyrus.requirements.sysml.assistant.handlers;
+
+import java.util.ArrayList;
+
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.papyrus.requirements.sysml.assistant.commands.AddDerivedLinkReqCommand;
+import org.eclipse.papyrus.requirements.sysml.assistant.commands.DerivationReqCreateCommand;
+import org.eclipse.papyrus.requirements.common.PapyrusAbstractHandler;
+import org.eclipse.uml2.uml.Element;
+import org.eclipse.uml2.uml.NamedElement;
+
+/**
+ * Executes the addition of DerivedReqt links
+ *
+ */
+public class AddDerivedLinkReqHandler extends PapyrusAbstractHandler {
+
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		super.execute(event);
+		ArrayList<Element> selectedElements = getSelectionSet();
+		if (selectedElements.size() == 2) {
+			DerivationReqCreateCommand addDerivedLinkReqCommand = new DerivationReqCreateCommand(
+					transactionalEditingDomain, (NamedElement) selectedElements.get(1),
+					(NamedElement) selectedElements.get(0));
+			transactionalEditingDomain.getCommandStack().execute(addDerivedLinkReqCommand);
+		} else {
+
+			Element selectedElement = getSelection();
+			if (selectedElement != null) {
+				AddDerivedLinkReqCommand addDerivedLinkReqCommand = new AddDerivedLinkReqCommand(
+						transactionalEditingDomain, selectedElement);
+				transactionalEditingDomain.getCommandStack().execute(addDerivedLinkReqCommand);
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * 
+	 * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
+	 * 
+	 * @return true if the handler is possible
+	 */
+	@Override
+	public boolean isEnabled() {
+		Element selectedElement = getSelection();
+		if (selectedElement != null) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+}
+\ No newline at end of file