| /****************************************************************************** |
| * Copyright (c) 2004, 2005 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; |
| |
| /** |
| * The operation used with the modeling assistant service that gets the type of |
| * elements that can be created or used for a specific hint or gesture and optional data. |
| * |
| * @author cmahoney |
| */ |
| public class GetTypesOperation |
| implements IModelingAssistantOperation { |
| |
| /** identifies the gesture */ |
| private final String hint; |
| |
| /** additional data required */ |
| private final IAdaptable data; |
| |
| /** |
| * Creates a new <code>GetTypesOperation</code>. |
| * |
| * @param hint |
| * identifies the hint or gesture |
| * @param data |
| * <li>provides additional data that is required</li> |
| * <li>may be null depending on the hint</li> |
| */ |
| protected GetTypesOperation(String hint, IAdaptable data) { |
| this.hint = hint; |
| this.data = data; |
| } |
| |
| /** |
| * The ID for a this operation is the hint itself. |
| */ |
| public String getId() { |
| return getHint(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.emf.ui.services.modelingassistant.IModelingAssistantOperation#getContext() |
| */ |
| public IAdaptable getContext() { |
| return getData(); |
| } |
| |
| /* (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) |
| .getTypes(getHint(), getData()); |
| } |
| |
| /** |
| * Gets the hint that identifies the gesture. |
| * |
| * @return the hint |
| */ |
| public String getHint() { |
| return hint; |
| } |
| |
| /** |
| * Gets the additional data required (if applicable). |
| * @return the data, may be null. |
| */ |
| public IAdaptable getData() { |
| return data; |
| } |
| |
| } |