| /******************************************************************************* |
| * Copyright (c) 2000, 2003 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.internal; |
| |
| import org.eclipse.swt.widgets.Composite; |
| |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.compare.CompareConfiguration; |
| |
| /** |
| * A factory object for creating a <code>Viewer</code>s from a descriptor. |
| * <p> |
| * It is used when registering a viewer for a specific type |
| * in <code>CompareUIPlugin.registerContentViewerDescriptor</code> and |
| * in <code>CompareUIPlugin.registerStructureViewerDescriptor</code>. |
| * |
| * @see org.eclipse.compare.structuremergeviewer.IStructureCreator |
| * @see CompareUIPlugin |
| */ |
| public interface IViewerDescriptor { |
| |
| /** |
| * Creates a new viewer from this descriptor under the given STW parent control. |
| * If the current viewer has the same type as a new viewer |
| * the implementation of this method is free to return the current viewer instead. |
| * |
| * @param currentViewer the current viewer which is going to be replaced with a new viewer. |
| * @param parent the SWT parent control under which the new viewer has to be created. |
| * @param config a compare configuration the new viewer might be interested in. |
| * @return a new viewer or the current viewer. |
| */ |
| Viewer createViewer(Viewer currentViewer, Composite parent, CompareConfiguration config); |
| } |
