/**
* 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.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.core3.util.Debug;
import com.aelitis.azureus.core.util.CopyOnWriteList;
/**
* @author Olivier
*
*/
public class TableStructureEventDispatcher implements
TableStructureModificationListener
{
private static Map<String, TableStructureEventDispatcher> instances = new HashMap<String, TableStructureEventDispatcher>();
private static AEMonitor class_mon = new AEMonitor(
"TableStructureEventDispatcher:class");
private CopyOnWriteList listeners;
private AEMonitor listeners_mon = new AEMonitor(
"TableStructureEventDispatcher:L");
/**
*
*/
private TableStructureEventDispatcher() {
listeners = new CopyOnWriteList(2);
}
public static TableStructureEventDispatcher getInstance(String tableID) {
try {
class_mon.enter();
TableStructureEventDispatcher instance = instances.get(tableID);
if (instance == null) {
instance = new TableStructureEventDispatcher();
instances.put(tableID, instance);
}
return instance;
} finally {
class_mon.exit();
}
}
public void addListener(TableStructureModificationListener listener) {
try {
listeners_mon.enter();
if (!listeners.contains(listener)) {
listeners.add(listener);
}
} finally {
listeners_mon.exit();
}
}
public void removeListener(TableStructureModificationListener listener) {
try {
listeners_mon.enter();
listeners.remove(listener);
} finally {
listeners_mon.exit();
}
}
public void tableStructureChanged( boolean columnAddedOrRemoved, Class forPluginDataSourceType ) {
Iterator iter = listeners.iterator();
while (iter.hasNext()) {
TableStructureModificationListener listener = (TableStructureModificationListener) iter.next();
try{
listener.tableStructureChanged(columnAddedOrRemoved, forPluginDataSourceType);
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
public void columnSizeChanged(TableColumnCore tableColumn) {
Iterator iter = listeners.iterator();
while (iter.hasNext()) {
TableStructureModificationListener listener = (TableStructureModificationListener) iter.next();
listener.columnSizeChanged(tableColumn);
}
}
public void columnInvalidate(TableColumnCore tableColumn) {
Iterator iter = listeners.iterator();
while (iter.hasNext()) {
TableStructureModificationListener listener = (TableStructureModificationListener) iter.next();
listener.columnInvalidate(tableColumn);
}
}
public void cellInvalidate(TableColumnCore tableColumn, Object data_source) {
Iterator iter = listeners.iterator();
while (iter.hasNext()) {
TableStructureModificationListener listener = (TableStructureModificationListener) iter.next();
listener.cellInvalidate(tableColumn, data_source);
}
}
public void columnOrderChanged(int[] iPositions) {
Iterator iter = listeners.iterator();
while (iter.hasNext()) {
TableStructureModificationListener listener = (TableStructureModificationListener) iter.next();
listener.columnOrderChanged(iPositions);
}
}
}