| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jface.text; |
| |
| |
| /** |
| * A position updater is responsible for adapting document positions. When |
| * installed on a document, the position updater updates the document's |
| * positions to changes applied to this document. Document updaters can be |
| * selective, i.e. they might only update positions of a certain category. |
| * <p> |
| * Position updaters are of primary importance for the definition of the |
| * semantics of positions. |
| * <p> |
| * Clients may implement this interface or use the standard implementation |
| * {@link org.eclipse.jface.text.DefaultPositionUpdater}. |
| * </p> |
| * |
| * @see org.eclipse.jface.text.IDocument |
| * @see org.eclipse.jface.text.Position |
| */ |
| public interface IPositionUpdater { |
| |
| /** |
| * Adapts positions to the change specified by the document event. |
| * It is ensured that the document's partitioning has been adapted to |
| * this document change and that all the position updaters which have |
| * a smaller index in the document's position updater list have been called. |
| * |
| * @param event the document event describing the document change |
| */ |
| void update(DocumentEvent event); |
| } |
