| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.gef; |
| |
| /** |
| * The listener interface for receiving basic events from an EditPart. Listeners |
| * interested in only one type of Event can extend the |
| * {@link EditPartListener.Stub} implementation rather than implementing the |
| * entire interface. |
| */ |
| |
| public interface EditPartListener { |
| |
| /** |
| * Listeners interested in just a subset of Events can extend this stub |
| * implementation. Also, extending the Stub will reduce the impact of new |
| * API on this interface. |
| */ |
| public class Stub implements EditPartListener { |
| /** |
| * @see org.eclipse.gef.EditPartListener#childAdded(EditPart, int) |
| */ |
| public void childAdded(EditPart child, int index) { |
| } |
| |
| /** |
| * @see org.eclipse.gef.EditPartListener#partActivated(EditPart) |
| */ |
| public void partActivated(EditPart editpart) { |
| } |
| |
| /** |
| * @see org.eclipse.gef.EditPartListener#partDeactivated(EditPart) |
| */ |
| public void partDeactivated(EditPart editpart) { |
| } |
| |
| /** |
| * @see org.eclipse.gef.EditPartListener#removingChild(EditPart, int) |
| */ |
| public void removingChild(EditPart child, int index) { |
| } |
| |
| /** |
| * @see org.eclipse.gef.EditPartListener#selectedStateChanged(EditPart) |
| */ |
| public void selectedStateChanged(EditPart part) { |
| } |
| }; |
| |
| /** |
| * Called after a child EditPart has been added to its parent. |
| * |
| * @param child |
| * the Child |
| * @param index |
| * the index at which the child was added |
| */ |
| void childAdded(EditPart child, int index); |
| |
| /** |
| * Called when the editpart has been activated. |
| * |
| * @param editpart |
| * the EditPart |
| */ |
| void partActivated(EditPart editpart); |
| |
| /** |
| * Called when the editpart has been deactivated. |
| * |
| * @param editpart |
| * the EditPart |
| */ |
| void partDeactivated(EditPart editpart); |
| |
| /** |
| * Called before a child EditPart is removed from its parent. |
| * |
| * @param child |
| * the Child being removed |
| * @param index |
| * the child's current location |
| */ |
| void removingChild(EditPart child, int index); |
| |
| /** |
| * Called when the selected state of an EditPart has changed. Focus changes |
| * also result in this method being called. |
| * |
| * @param editpart |
| * the part whose selection was changed |
| * @see EditPart#getSelected() |
| */ |
| void selectedStateChanged(EditPart editpart); |
| |
| } |