| /** |
| * Copyright (c) 2019 CEA. |
| * 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: |
| * CEA - initial API and implementation and/or initial documentation |
| */ |
| package org.eclipse.sensinact.studio.ui.common.widget.MultiColumnTableWidget; |
| |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| |
| /** |
| * @author Etienne Gandrille |
| */ |
| public class ViewerComparatorFactory { |
| |
| public static ViewerComparator getAlphanumericalComparator() { |
| return new ViewerComparator() { |
| @Override |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| String key1 = ((String[]) e1)[0]; |
| String key2 = ((String[]) e2)[0]; |
| return key1.compareTo(key2); |
| } |
| }; |
| } |
| |
| public static ViewerComparator getFullOrderComparator(final String[] keyList) { |
| return new ViewerComparator() { |
| |
| @Override |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| String key1 = ((String[]) e1)[0]; |
| String key2 = ((String[]) e2)[0]; |
| return getIndex(key1) - getIndex(key2); |
| } |
| |
| int getIndex(String key) { |
| for (int i=0; i<keyList.length; i++) |
| if (keyList[i].equals(key)) |
| return i; |
| return -1; |
| } |
| }; |
| } |
| } |
