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Diffstat (limited to 'plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/diagram/clazz/edit/commands/GeneralizationReorientCommand.java')
-rw-r--r--plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/diagram/clazz/edit/commands/GeneralizationReorientCommand.java164
1 files changed, 164 insertions, 0 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/diagram/clazz/edit/commands/GeneralizationReorientCommand.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/diagram/clazz/edit/commands/GeneralizationReorientCommand.java
new file mode 100644
index 00000000000..e3f363fb8a6
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/diagram/clazz/edit/commands/GeneralizationReorientCommand.java
@@ -0,0 +1,164 @@
+/*****************************************************************************
+ * Copyright (c) 2010 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 (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
+ */
+package org.eclipse.papyrus.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.diagram.clazz.edit.policies.UMLBaseItemSemanticEditPolicy;
+import org.eclipse.uml2.uml.Classifier;
+import org.eclipse.uml2.uml.Generalization;
+
+/**
+ * @generated
+ */
+public class GeneralizationReorientCommand extends EditElementCommand {
+
+ /**
+ * @generated
+ */
+ private final int reorientDirection;
+
+ /**
+ * @generated
+ */
+ private final EObject oldEnd;
+
+ /**
+ * @generated
+ */
+ private final EObject newEnd;
+
+ /**
+ * @generated
+ */
+ public GeneralizationReorientCommand(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 Generalization) {
+ 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 Classifier && newEnd instanceof Classifier)) {
+ return false;
+ }
+ Classifier target = getLink().getGeneral();
+ return UMLBaseItemSemanticEditPolicy.getLinkConstraints().canExistGeneralization_4002(getLink(), getNewSource(), target);
+ }
+
+ /**
+ * @generated
+ */
+ protected boolean canReorientTarget() {
+ if(!(oldEnd instanceof Classifier && newEnd instanceof Classifier)) {
+ return false;
+ }
+ if(!(getLink().eContainer() instanceof Classifier)) {
+ return false;
+ }
+ Classifier source = (Classifier)getLink().eContainer();
+ return UMLBaseItemSemanticEditPolicy.getLinkConstraints().canExistGeneralization_4002(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 {
+ getOldSource().getGeneralizations().remove(getLink());
+ getNewSource().getGeneralizations().add(getLink());
+ return CommandResult.newOKCommandResult(getLink());
+ }
+
+ /**
+ * @generated
+ */
+ protected CommandResult reorientTarget() throws ExecutionException {
+ getLink().setGeneral(getNewTarget());
+ return CommandResult.newOKCommandResult(getLink());
+ }
+
+ /**
+ * @generated
+ */
+ protected Generalization getLink() {
+ return (Generalization)getElementToEdit();
+ }
+
+ /**
+ * @generated
+ */
+ protected Classifier getOldSource() {
+ return (Classifier)oldEnd;
+ }
+
+ /**
+ * @generated
+ */
+ protected Classifier getNewSource() {
+ return (Classifier)newEnd;
+ }
+
+ /**
+ * @generated
+ */
+ protected Classifier getOldTarget() {
+ return (Classifier)oldEnd;
+ }
+
+ /**
+ * @generated
+ */
+ protected Classifier getNewTarget() {
+ return (Classifier)newEnd;
+ }
+}

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