| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.text.projection; |
| |
| |
| import org.eclipse.jface.text.Position; |
| |
| |
| /** |
| * Internal class. Do not use. Only public for testing purposes. |
| * <p> |
| * A segment is the image of a master document fragment in a projection |
| * document. |
| * |
| * @since 3.0 |
| */ |
| public class Segment extends Position { |
| |
| /** The corresponding fragment for this segment. */ |
| public Fragment fragment; |
| /** A flag indicating that the segment updater should stretch this segment when a change happens at its boundaries. */ |
| public boolean isMarkedForStretch; |
| /** A flag indicating that the segment updater should shift this segment when a change happends at its boundaries. */ |
| public boolean isMarkedForShift; |
| |
| /** |
| * Creates a new segment covering the given range. |
| * |
| * @param offset the offset of the segment |
| * @param length the length of the segment |
| */ |
| public Segment(int offset, int length) { |
| super(offset, length); |
| } |
| |
| /** |
| * Sets the stretching flag. |
| */ |
| public void markForStretch() { |
| isMarkedForStretch= true; |
| } |
| |
| /** |
| * Returns <code>true</code> if the stretching flag is set, <code>false</code> otherwise. |
| * @return <code>true</code> if the stretching flag is set, <code>false</code> otherwise |
| */ |
| public boolean isMarkedForStretch() { |
| return isMarkedForStretch; |
| } |
| |
| /** |
| * Sets the shifting flag. |
| */ |
| public void markForShift() { |
| isMarkedForShift= true; |
| } |
| |
| /** |
| * Returns <code>true</code> if the shifting flag is set, <code>false</code> otherwise. |
| * @return <code>true</code> if the shifting flag is set, <code>false</code> otherwise |
| */ |
| public boolean isMarkedForShift() { |
| return isMarkedForShift; |
| } |
| |
| /** |
| * Clears the shifting and the streching flag. |
| */ |
| public void clearMark() { |
| isMarkedForStretch= false; |
| isMarkedForShift= false; |
| } |
| } |