| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.compare.structuremergeviewer; |
| |
| /** |
| * Listener that gets informed if one (or more) |
| * of the three sides of an {@link ICompareInput} object changes its value. |
| * <p> |
| * For example when accepting an incoming addition |
| * the (non-{@code null}) left side of an {@link ICompareInput} |
| * is copied to the right side (which was {@code null}). |
| * This triggers a call to {@link #compareInputChanged} of registered |
| * {@code ICompareInputChangeListener}. |
| * <p> |
| * Note however, that listener are not informed if the content of one of the sides changes. |
| * <p> |
| * Clients may implement this interface. It is also implemented by viewers that take |
| * an {@link ICompareInput} as input. |
| * </p> |
| */ |
| public interface ICompareInputChangeListener { |
| /** |
| * Called whenever the value (not the content) of one or more of the three sides |
| * of a {@link ICompareInput} has changed. |
| * |
| * @param source the {@link ICompareInput} that has changed |
| */ |
| void compareInputChanged(ICompareInput source); |
| } |
