| //------------------------------------------------------------------------------ |
| // 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.edit.command; |
| |
| import java.util.Collection; |
| |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| |
| /** |
| * This interface class is used to support undo operations in the |
| * form editors. |
| * |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public interface IActionManager { |
| |
| public static final int SET = Notification.SET; |
| |
| public static final int ADD = Notification.ADD; |
| |
| public static final int REMOVE = Notification.REMOVE; |
| |
| public static final int ADD_MANY = Notification.ADD_MANY; |
| |
| public static final int REMOVE_MANY = Notification.REMOVE_MANY; |
| |
| /** |
| * Performs the action as described in parameters |
| * |
| * @param actionType |
| * one of the above defined action constants |
| * @param object |
| * the object to perform action upon |
| * @param feature |
| * the feature to be modified |
| * @param value |
| * the feature value |
| * @param index |
| * specify -1 if no index |
| * @return <code>true</code> if successfull, <code>false</code> |
| * otherwise |
| */ |
| boolean doAction(int actionType, EObject object, |
| EStructuralFeature feature, Object value, int index); |
| |
| /** |
| * Executes the given command |
| * |
| * @param cmd |
| * @return <code>true</code> if successfull, <code>false</code> |
| * otherwise |
| */ |
| boolean execute(IResourceAwareCommand cmd); |
| |
| void undo(); |
| |
| void redo(); |
| |
| boolean undoAll(); |
| |
| void saveIsDone(); |
| |
| boolean isSaveNeeded(); |
| |
| /** |
| * Gets resources first modified by this action manager |
| */ |
| Collection getModifiedResources(); |
| |
| void dispose(); |
| |
| } |