/** * File : TableStructureEventDispatcher.java * Created : 27 nov. 2003 * By : Olivier * * Copyright (C) 2004-2007 Aelitis SAS, All rights Reserved * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details ( see the LICENSE file ). * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * AELITIS, SAS au capital de 46,603.30 euros, * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France. */ package com.aelitis.azureus.ui.common.table; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.HashMap; import org.gudy.azureus2.core3.util.AEMonitor; /** * @author Olivier * */ public class TableStructureEventDispatcher implements TableStructureModificationListener { private static Map instances = new HashMap(); private static AEMonitor class_mon = new AEMonitor( "TableStructureEventDispatcher:class"); private List listeners; private AEMonitor listeners_mon = new AEMonitor( "TableStructureEventDispatcher:L"); /** * */ private TableStructureEventDispatcher() { listeners = new ArrayList(2); } public static TableStructureEventDispatcher getInstance(String sTableID) { try { class_mon.enter(); TableStructureEventDispatcher instance = (TableStructureEventDispatcher) instances.get(sTableID); if (instance == null) { instance = new TableStructureEventDispatcher(); instances.put(sTableID, instance); } return instance; } finally { class_mon.exit(); } } public void addListener(TableStructureModificationListener listener) { try { listeners_mon.enter(); this.listeners.add(listener); } finally { listeners_mon.exit(); } } public void removeListener(TableStructureModificationListener listener) { try { listeners_mon.enter(); this.listeners.remove(listener); } finally { listeners_mon.exit(); } } public void tableStructureChanged() { try { listeners_mon.enter(); Iterator iter = listeners.iterator(); while (iter.hasNext()) { TableStructureModificationListener listener = (TableStructureModificationListener) iter.next(); listener.tableStructureChanged(); } } finally { listeners_mon.exit(); } } public void columnSizeChanged(TableColumnCore tableColumn) { try { listeners_mon.enter(); Iterator iter = listeners.iterator(); while (iter.hasNext()) { TableStructureModificationListener listener = (TableStructureModificationListener) iter.next(); listener.columnSizeChanged(tableColumn); } } finally { listeners_mon.exit(); } } public void columnInvalidate(TableColumnCore tableColumn) { try { listeners_mon.enter(); Iterator iter = listeners.iterator(); while (iter.hasNext()) { TableStructureModificationListener listener = (TableStructureModificationListener) iter.next(); listener.columnInvalidate(tableColumn); } } finally { listeners_mon.exit(); } } public void cellInvalidate(TableColumnCore tableColumn, Object data_source) { try { listeners_mon.enter(); Iterator iter = listeners.iterator(); while (iter.hasNext()) { TableStructureModificationListener listener = (TableStructureModificationListener) iter.next(); listener.cellInvalidate(tableColumn, data_source); } } finally { listeners_mon.exit(); } } public void columnOrderChanged(int[] iPositions) { try { listeners_mon.enter(); Iterator iter = listeners.iterator(); while (iter.hasNext()) { TableStructureModificationListener listener = (TableStructureModificationListener) iter.next(); listener.columnOrderChanged(iPositions); } } finally { listeners_mon.exit(); } } }