001/* 002 * (C) Copyright 2010 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Anahide Tchertchian 016 */ 017package org.nuxeo.ecm.platform.forms.layout.api.impl; 018 019import java.util.Comparator; 020import java.util.List; 021 022import org.nuxeo.ecm.platform.forms.layout.api.LayoutRow; 023 024/** 025 * Compares selected row instances to order them in the same order that given by the input list of row names. 026 * 027 * @author Anahide Tchertchian 028 */ 029public class LayoutRowComparator implements Comparator<LayoutRow> { 030 031 protected List<String> rowNames; 032 033 public LayoutRowComparator(List<String> rowNames) { 034 super(); 035 this.rowNames = rowNames; 036 } 037 038 @Override 039 public int compare(LayoutRow o1, LayoutRow o2) { 040 if (rowNames == null) { 041 return 0; 042 } 043 Integer index1 = Integer.valueOf(rowNames.indexOf(o1.getName())); 044 Integer index2 = Integer.valueOf(rowNames.indexOf(o2.getName())); 045 return index1.compareTo(index2); 046 } 047}