| /****************************************************************************** |
| * Copyright (c) 2004 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.ui.services.modelingassistant; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| |
| import org.eclipse.gmf.runtime.common.core.service.IProvider; |
| import org.eclipse.gmf.runtime.emf.type.core.IElementType; |
| |
| /** |
| * The operation used with the modeling assistant service that pops up a dialog |
| * from which the user can select an existing element to be used as the source |
| * end of a relationship. |
| * |
| * @author cmahoney |
| */ |
| public class SelectExistingElementForSourceOperation |
| implements IModelingAssistantOperation { |
| |
| /** the target: adapts to editpart, view, element, etc. */ |
| private final IAdaptable target; |
| |
| /** the relationship type to be created */ |
| private final IElementType relationshipType; |
| |
| /** |
| * Creates a new <code>GetTypesForSourceOperation</code>. |
| * |
| * @param target |
| * the target: adapts to editpart, view, element, etc. |
| * @param relationshipType |
| * the relationship type to be created |
| */ |
| public SelectExistingElementForSourceOperation(IAdaptable target, |
| IElementType relationshipType) { |
| |
| this.target = target; |
| this.relationshipType = relationshipType; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.emf.ui.services.modelingassistant.IModelingAssistantOperation#getId() |
| */ |
| public String getId() { |
| return SELECT_EXISTING_ELEMENT_FOR_SOURCE_ID; |
| } |
| |
| /** |
| * Returns the target. This is what will be used to assist in delayed |
| * loading of a modeling assistant provider. |
| */ |
| public IAdaptable getContext() { |
| return getTarget(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.common.core.service.IOperation#execute(org.eclipse.gmf.runtime.common.core.service.IProvider) |
| */ |
| public Object execute(IProvider provider) { |
| return ((IModelingAssistantProvider) provider) |
| .selectExistingElementForSource(getTarget(), getRelationshipType()); |
| } |
| |
| /** |
| * Gets the relationshipType. |
| * |
| * @return Returns the relationshipType. |
| */ |
| public IElementType getRelationshipType() { |
| return relationshipType; |
| } |
| |
| /** |
| * Gets the target. |
| * |
| * @return Returns the target. |
| */ |
| public IAdaptable getTarget() { |
| return target; |
| } |
| |
| } |