diff options
Diffstat (limited to 'plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/InstanceSpecificationLinkCreateCommand.java')
| -rw-r--r-- | plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/InstanceSpecificationLinkCreateCommand.java | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/InstanceSpecificationLinkCreateCommand.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/InstanceSpecificationLinkCreateCommand.java new file mode 100644 index 00000000000..6552123b023 --- /dev/null +++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/uml/diagram/clazz/edit/commands/InstanceSpecificationLinkCreateCommand.java @@ -0,0 +1,166 @@ +/*
+ * 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.common.core.command.ICommand;
+import org.eclipse.gmf.runtime.emf.type.core.IElementType;
+import org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand;
+import org.eclipse.gmf.runtime.emf.type.core.requests.ConfigureRequest;
+import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
+import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
+import org.eclipse.papyrus.uml.diagram.clazz.edit.policies.UMLBaseItemSemanticEditPolicy;
+import org.eclipse.uml2.uml.InstanceSpecification;
+import org.eclipse.uml2.uml.Package;
+import org.eclipse.uml2.uml.Slot;
+import org.eclipse.uml2.uml.UMLFactory;
+
+/**
+ * @generated
+ */
+public class InstanceSpecificationLinkCreateCommand extends EditElementCommand {
+
+ /**
+ * @generated
+ */
+ protected final EObject source;
+
+ /**
+ * @generated
+ */
+ protected final EObject target;
+
+ /**
+ * @generated
+ */
+ protected Package container;
+
+ /**
+ * @generated
+ */
+ public InstanceSpecificationLinkCreateCommand(CreateRelationshipRequest request, EObject source, EObject target) {
+ super(request.getLabel(), null, request);
+ this.source = source;
+ this.target = target;
+ container = deduceContainer(source, target);
+ }
+
+ /**
+ * @generated
+ */
+ public boolean canExecute() {
+ if (source == null && target == null) {
+ return false;
+ }
+ if (source != null && false == source instanceof Slot) {
+ return false;
+ }
+ if (target != null && false == target instanceof Slot) {
+ return false;
+ }
+ if (getSource() == null) {
+ return true; // link creation is in progress; source is not defined yet
+ }
+ // target may be null here but it's possible to check constraint
+ if (getContainer() == null) {
+ return false;
+ }
+ return UMLBaseItemSemanticEditPolicy.getLinkConstraints().canCreateInstanceSpecification_4021(getContainer(), getSource(), getTarget());
+ }
+
+ /**
+ * @generated
+ */
+ protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
+ if (!canExecute()) {
+ throw new ExecutionException("Invalid arguments in create link command"); //$NON-NLS-1$
+ }
+
+ InstanceSpecification newElement = UMLFactory.eINSTANCE.createInstanceSpecification();
+ getContainer().getPackagedElements()
+ .add(newElement);
+ newElement.getSlots()
+ .add(getSource());
+ newElement.getSlots()
+ .add(getTarget());
+ doConfigure(newElement, monitor, info);
+ ((CreateElementRequest) getRequest()).setNewElement(newElement);
+ return CommandResult.newOKCommandResult(newElement);
+
+ }
+
+ /**
+ * @generated
+ */
+ protected void doConfigure(InstanceSpecification newElement, IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
+ IElementType elementType = ((CreateElementRequest) getRequest()).getElementType();
+ ConfigureRequest configureRequest = new ConfigureRequest(getEditingDomain(), newElement, elementType);
+ configureRequest.setClientContext(((CreateElementRequest) getRequest()).getClientContext());
+ configureRequest.addParameters(getRequest().getParameters());
+ configureRequest.setParameter(CreateRelationshipRequest.SOURCE, getSource());
+ configureRequest.setParameter(CreateRelationshipRequest.TARGET, getTarget());
+ ICommand configureCommand = elementType.getEditCommand(configureRequest);
+ if (configureCommand != null && configureCommand.canExecute()) {
+ configureCommand.execute(monitor, info);
+ }
+ }
+
+ /**
+ * @generated
+ */
+ protected void setElementToEdit(EObject element) {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * @generated
+ */
+ protected Slot getSource() {
+ return (Slot) source;
+ }
+
+ /**
+ * @generated
+ */
+ protected Slot getTarget() {
+ return (Slot) target;
+ }
+
+ /**
+ * @generated
+ */
+ public Package getContainer() {
+ return container;
+ }
+
+ /**
+ * Default approach is to traverse ancestors of the source to find instance of container.
+ * Modify with appropriate logic.
+ * @generated
+ */
+ protected Package deduceContainer(EObject source, EObject target) {
+ // Find container element for the new link.
+ // Climb up by containment hierarchy starting from the source
+ // and return the first element that is instance of the container class.
+ for (EObject element = source; element != null; element = element.eContainer()) {
+ if (element instanceof Package) {
+ return (Package) element;
+ }
+ }
+ return null;
+ }
+
+}
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