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Diffstat (limited to 'plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/AssociationReorientCommand.java')
-rw-r--r--plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/AssociationReorientCommand.java178
1 files changed, 178 insertions, 0 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/AssociationReorientCommand.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/AssociationReorientCommand.java
new file mode 100644
index 00000000000..bf09b69b9bf
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/AssociationReorientCommand.java
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2014 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:
+ * CEA LIST - Initial API and implementation
+ */
+package org.eclipse.papyrus.uml.diagram.clazz.edit.commands;
+
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.gmf.runtime.common.core.command.CommandResult;
+import org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand;
+import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
+import org.eclipse.papyrus.uml.diagram.clazz.edit.policies.UMLBaseItemSemanticEditPolicy;
+import org.eclipse.uml2.uml.Association;
+import org.eclipse.uml2.uml.Package;
+import org.eclipse.uml2.uml.Type;
+
+/**
+ * @generated
+ */
+public class AssociationReorientCommand extends EditElementCommand {
+
+ /**
+ * @generated
+ */
+ private final int reorientDirection;
+
+ /**
+ * @generated
+ */
+ private final EObject oldEnd;
+
+ /**
+ * @generated
+ */
+ private final EObject newEnd;
+
+ /**
+ * @generated
+ */
+ public AssociationReorientCommand(ReorientRelationshipRequest request) {
+ super(request.getLabel(), request.getRelationship(), request);
+ reorientDirection = request.getDirection();
+ oldEnd = request.getOldRelationshipEnd();
+ newEnd = request.getNewRelationshipEnd();
+ }
+
+ /**
+ * @generated
+ */
+ public boolean canExecute() {
+ if (false == getElementToEdit() instanceof Association) {
+ return false;
+ }
+ if (reorientDirection == ReorientRelationshipRequest.REORIENT_SOURCE) {
+ return canReorientSource();
+ }
+ if (reorientDirection == ReorientRelationshipRequest.REORIENT_TARGET) {
+ return canReorientTarget();
+ }
+ return false;
+ }
+
+ /**
+ * @generated
+ */
+ protected boolean canReorientSource() {
+ if (!(oldEnd instanceof Type && newEnd instanceof Type)) {
+ return false;
+ }
+ if (getLink().getEndTypes()
+ .size() != 1) {
+ return false;
+ }
+ Type target = (Type) getLink().getEndTypes()
+ .get(0);
+ if (!(getLink().eContainer() instanceof Package)) {
+ return false;
+ }
+ Package container = (Package) getLink().eContainer();
+ return UMLBaseItemSemanticEditPolicy.getLinkConstraints().canExistAssociation_4001(container, getLink(), getNewSource(), target);
+ }
+
+ /**
+ * @generated
+ */
+ protected boolean canReorientTarget() {
+ if (!(oldEnd instanceof Type && newEnd instanceof Type)) {
+ return false;
+ }
+ if (getLink().getEndTypes()
+ .size() != 1) {
+ return false;
+ }
+ Type source = (Type) getLink().getEndTypes()
+ .get(0);
+ if (!(getLink().eContainer() instanceof Package)) {
+ return false;
+ }
+ Package container = (Package) getLink().eContainer();
+ return UMLBaseItemSemanticEditPolicy.getLinkConstraints().canExistAssociation_4001(container, getLink(), source, getNewTarget());
+ }
+
+ /**
+ * @generated
+ */
+ protected CommandResult doExecuteWithResult(
+ IProgressMonitor monitor, IAdaptable info)
+ throws ExecutionException {
+ if (!canExecute()) {
+ throw new ExecutionException("Invalid arguments in reorient link command"); //$NON-NLS-1$
+ }
+ if (reorientDirection == ReorientRelationshipRequest.REORIENT_SOURCE) {
+ return reorientSource();
+ }
+ if (reorientDirection == ReorientRelationshipRequest.REORIENT_TARGET) {
+ return reorientTarget();
+ }
+ throw new IllegalStateException();
+ }
+
+ /**
+ * @generated
+ */
+ protected CommandResult reorientSource() throws ExecutionException {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * @generated
+ */
+ protected CommandResult reorientTarget() throws ExecutionException {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * @generated
+ */
+ protected Association getLink() {
+ return (Association) getElementToEdit();
+ }
+
+ /**
+ * @generated
+ */
+ protected Type getOldSource() {
+ return (Type) oldEnd;
+ }
+
+ /**
+ * @generated
+ */
+ protected Type getNewSource() {
+ return (Type) newEnd;
+ }
+
+ /**
+ * @generated
+ */
+ protected Type getOldTarget() {
+ return (Type) oldEnd;
+ }
+
+ /**
+ * @generated
+ */
+ protected Type getNewTarget() {
+ return (Type) newEnd;
+ }
+}

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