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/*******************************************************************************
* Copyright (c) 2003, 2011 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.compare;
/**
* A <code>ICompareNavigator</code> is used to navigate through the individual
* differences of a <code>CompareEditorInput</code> or another type of Compare container.
* <p>
* You can retrieve an object implementing the <code>ICompareNavigator</code> from a
* <code>CompareEditorInput</code> by calling <code>getAdapter(ICompareNavigator)</code>
* on the <code>CompareEditorInput</code>.
* </p>
* <p>
* Although it is legal for clients to implement this interface, it is better
* to subclass {@link CompareNavigator}.
*
* @since 3.0
*/
public interface ICompareNavigator {
/**
* Starting from the current selection <code>selectChange</code> selects and reveals the next (previous) change.
* If the end (or beginning) is reached, the method returns <code>true</code>.
*
* @param next if <code>true</code> the next change is selected, otherwise the previous change
* @return returns <code>true</code> if end (beginning) is reached, <code>false</code> otherwise
*/
public boolean selectChange(boolean next);
}
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