| /******************************************************************************* |
| * Copyright (c) 2009 Matthew Hall 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: |
| * Matthew Hall - initial API and implementation (bug 226292) |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.internal.databinding.viewers; |
| |
| import org.eclipse.jface.viewers.CheckboxTreeViewer; |
| |
| /** |
| * @since 3.3 |
| * |
| */ |
| public class CheckboxTreeViewerUpdater extends TreeViewerUpdater { |
| private final CheckboxTreeViewer checkboxViewer; |
| |
| CheckboxTreeViewerUpdater(CheckboxTreeViewer viewer) { |
| super(viewer); |
| checkboxViewer = viewer; |
| } |
| |
| public void move(Object parent, Object element, int oldPosition, |
| int newPosition) { |
| if (isElementOrderPreserved()) { |
| boolean wasChecked = checkboxViewer.getChecked(element); |
| boolean wasGrayed = checkboxViewer.getGrayed(element); |
| super.move(parent, element, oldPosition, newPosition); |
| checkboxViewer.setChecked(element, wasChecked); |
| checkboxViewer.setGrayed(element, wasGrayed); |
| } |
| } |
| } |