| 1 | // Jomic - a viewer for comic book archives. |
| 2 | // Copyright (C) 2004-2008 Thomas Aglassinger |
| 3 | // |
| 4 | // This program is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | package net.sf.jomic.comic; |
| 17 | |
| 18 | import java.util.Comparator; |
| 19 | |
| 20 | import net.sf.wraplog.Logger; |
| 21 | |
| 22 | /** |
| 23 | * Comparator to decide if two ComicSheets overlap. Two ComicSheets are equal if they contain at |
| 24 | * least the same left or right image index. |
| 25 | * |
| 26 | * @author Thomas Aglassinger |
| 27 | */ |
| 28 | class ComicSheetindexOverlapComparator implements Comparator |
| 29 | { |
| 30 | private static Logger logger = Logger.getLogger(ComicSheetindexOverlapComparator.class); |
| 31 | |
| 32 | public ComicSheetindexOverlapComparator() { |
| 33 | super(); |
| 34 | } |
| 35 | |
| 36 | public int compare(Object arg0, Object arg1) { |
| 37 | ComicSheet sheet1 = (ComicSheet) arg0; |
| 38 | ComicSheet sheet2 = (ComicSheet) arg1; |
| 39 | |
| 40 | if (logger.isDebugEnabled()) { |
| 41 | logger.debug("compare: sheet1=" + sheet1 + ", sheet2=" + sheet2); |
| 42 | } |
| 43 | int left1 = sheet1.getLeftImageIndex(); |
| 44 | int left2 = sheet2.getLeftImageIndex(); |
| 45 | int result = left1 - left2; |
| 46 | |
| 47 | if (Math.abs(result) == 1) { |
| 48 | int right1 = sheet1.getRightImageIndexOrNoImage(); |
| 49 | int right2 = sheet2.getRightImageIndexOrNoImage(); |
| 50 | |
| 51 | if ((left1 == right2) || (left2 == right1)) { |
| 52 | result = 0; |
| 53 | } |
| 54 | } |
| 55 | return result; |
| 56 | } |
| 57 | } |