1 files changed, 63 insertions, 0 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/edit/utils/updater/intermediateactions/CreateLinkActionPinUpdater.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/edit/utils/updater/intermediateactions/CreateLinkActionPinUpdater.java
new file mode 100644
index 00000000000..17537b64f77
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/edit/utils/updater/intermediateactions/CreateLinkActionPinUpdater.java
@@ -0,0 +1,63 @@
+/*****************************************************************************
+ * Copyright (c) 2016 CEA LIST and others.
+ * 
+ * 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:
+ *   CEA LIST - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.diagram.activity.edit.utils.updater.intermediateactions;
+
+import org.eclipse.uml2.uml.InputPin;
+import org.eclipse.uml2.uml.LinkAction;
+import org.eclipse.uml2.uml.LinkEndCreationData;
+import org.eclipse.uml2.uml.Property;
+import org.eclipse.uml2.uml.UMLFactory;
+
+/**
+ * Pins of CreateLinkAction should be create and update automatically
+ *
+ * This class define derivation rules
+ */
+public class CreateLinkActionPinUpdater extends LinkActionPinUpdater {
+
+	/**
+	 * @see org.eclipse.papyrus.uml.diagram.activity.edit.utils.updater.IPinUpdater#updatePins(org.eclipse.uml2.uml.Element)
+	 *
+	 * @param node
+	 */
+	@Override
+	public void updatePins(LinkAction node) {
+		if (node != null) {
+			// 1] On destruction of a LinkEndCreationData destroy the LinkEndCreationData for the other end
+			if (node.getEndData().size() == 1 && node.getInputValues().size() > 1) {
+				node.getEndData().clear();
+			} else if (node.getEndData().size() == 1) {
+				// 2] On creation of a LinkEndCreationData create an other LinkEndCreationData for the other end
+				LinkEndCreationData linkEndCreationData = UMLFactory.eINSTANCE.createLinkEndCreationData();
+				InputPin value = UMLFactory.eINSTANCE.createInputPin();
+				Property firstEnd = node.getEndData().get(0).getEnd();
+				if (firstEnd != null) {
+					Property secondEnd = firstEnd.getOtherEnd();
+					if (secondEnd != null) {
+						linkEndCreationData.setEnd(secondEnd);
+						value.setType(secondEnd.getType());
+						value.setName(secondEnd.getName());
+						value.setLower(secondEnd.getLower());
+						value.setUpper(secondEnd.getUpper());
+						linkEndCreationData.setValue(value);
+					}
+					node.getEndData().add(linkEndCreationData);
+				}
+			}
+
+			// 3] update the list input values
+			super.updatePins(node);
+		}
+	}
+}