1 /* 2 Wotonomy: OpenStep design patterns for pure Java applications. 3 Copyright (C) 2001 Intersect Software Corporation 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, see http://www.gnu.org 17 */ 18 19 package net.wotonomy.control; 20 21 /*** 22 * A simple extension of EODataSource that 23 * allows for indexed insertion. The wotonomy 24 * implementation of EODisplayGroup supports 25 * this and will use it if possible. This is 26 * useful for classes like the PropertyDataSource, 27 * where the ordering of items in an indexed 28 * property may be important. 29 * 30 * @author michael@mpowers.net 31 * @author $Author: cgruber $ 32 * @version $Revision: 893 $ 33 */ 34 public abstract class OrderedDataSource extends EODataSource 35 { 36 /*** 37 * Inserts the specified object into this data source, 38 * at the specified index. 39 */ 40 public abstract void insertObjectAtIndex ( 41 Object anObject, int anIndex ); 42 } 43 44 /* 45 * $Log$ 46 * Revision 1.1 2006/02/16 13:19:57 cgruber 47 * Check in all sources in eclipse-friendly maven-enabled packages. 48 * 49 * Revision 1.2 2003/08/06 23:07:52 chochos 50 * general code cleanup (mostly, removing unused imports) 51 * 52 * Revision 1.1 2001/01/24 14:10:53 mpowers 53 * Contributing OrderedDataSource, and PropertyDataSource extends it. 54 * 55 * 56 */ 57