| /****************************************************************************** |
| * Copyright (c) 2005, 2006 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.emf.type.core.requests; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.emf.transaction.util.TransactionUtil; |
| import org.eclipse.gmf.runtime.emf.type.core.EditHelperContext; |
| import org.eclipse.gmf.runtime.emf.type.core.IClientContext; |
| |
| /** |
| * Request to set the value of a structural feature in a model element. |
| * |
| * @author ldamus |
| */ |
| public class SetRequest extends AbstractEditCommandRequest { |
| |
| /** |
| * The structural feature whose value will be set. |
| */ |
| private final EStructuralFeature feature; |
| |
| /** |
| * The owner of the structural feature. |
| */ |
| private final EObject elementToEdit; |
| |
| /** |
| * The new value of the structural feature. |
| */ |
| private final Object value; |
| |
| /** |
| * Constructs a new request to set the value of a structural feature in a |
| * model element. |
| * |
| * @param editingDomain |
| * the editing domain in which I am requesting to make model |
| * @param elementToEdit |
| * the owner of the structural feature |
| * @param feature |
| * the structural feature whose value is to be set |
| * @param value |
| * the new value |
| */ |
| public SetRequest(TransactionalEditingDomain editingDomain, EObject elementToEdit, |
| EStructuralFeature feature, Object value) { |
| |
| super(editingDomain); |
| this.elementToEdit = elementToEdit; |
| this.feature = feature; |
| this.value = value; |
| } |
| |
| /** |
| * Constructs a new request to set the value of a structural feature in a |
| * model element. The editing domain will be derived from the |
| * <code>elementToEdit</code>. |
| * |
| * @param elementToEdit |
| * the owner of the structural feature |
| * @param feature |
| * the structural feature whose value is to be set |
| * @param value |
| * the new value |
| */ |
| public SetRequest(EObject elementToEdit, |
| EStructuralFeature feature, Object value) { |
| |
| this(TransactionUtil.getEditingDomain(elementToEdit), elementToEdit, feature, value); |
| } |
| |
| /** |
| * Gets the structural feature. |
| * |
| * @return the structural feature |
| */ |
| public EStructuralFeature getFeature() { |
| return feature; |
| } |
| |
| /** |
| * Gets the new value. |
| * |
| * @return the new value |
| */ |
| public Object getValue() { |
| return value; |
| } |
| |
| /** |
| * Gets the owner of the structural feature. |
| * |
| * @return the owner of the structural feature |
| */ |
| public EObject getElementToEdit() { |
| return elementToEdit; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gmf.runtime.emf.type.core.edithelper.IEditCommandRequest#getElementsToEdit() |
| */ |
| public List getElementsToEdit() { |
| if (elementToEdit != null) { |
| return Collections.singletonList(elementToEdit); |
| } |
| |
| return Collections.EMPTY_LIST; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gmf.runtime.emf.type.core.edithelper.IEditCommandRequest#getEditHelperContext() |
| */ |
| public Object getEditHelperContext() { |
| IClientContext context = getClientContext(); |
| |
| if (context == null) { |
| return elementToEdit; |
| } else { |
| return new EditHelperContext(elementToEdit, context); |
| } |
| } |
| |
| } |