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/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* or .
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.swing.catalog;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import org.smallmind.nutsnbolts.util.WeakEventListenerList;
public class DefaultCatalogModel implements CatalogModel, Serializable {
private final List dataList;
private transient WeakEventListenerList listenerList;
public DefaultCatalogModel () {
this(new ArrayList());
}
public DefaultCatalogModel (List dataList) {
this.dataList = dataList;
listenerList = new WeakEventListenerList();
}
private void readObject (ObjectInputStream in)
throws IOException, ClassNotFoundException {
in.defaultReadObject();
listenerList = new WeakEventListenerList();
}
public synchronized void addCatalogDataListener (CatalogDataListener catalogDataListener) {
listenerList.addListener(catalogDataListener);
}
public synchronized void removeCatalogDataListener (CatalogDataListener catalogDataListener) {
listenerList.removeListener(catalogDataListener);
}
public synchronized int getSize () {
return dataList.size();
}
public synchronized boolean isEmpty () {
return dataList.isEmpty();
}
public synchronized int indexOf (D element) {
return dataList.indexOf(element);
}
public synchronized void clear () {
int size;
if ((size = dataList.size()) > 0) {
dataList.clear();
fireIntervalRemoved(0, size - 1);
}
}
public synchronized D getElementAt (int index) {
return dataList.get(index);
}
public synchronized void setElement (int index, D item) {
dataList.set(index, item);
fireIntervalChanged(index, index);
}
public synchronized void addElement (int index, D item) {
dataList.add(index, item);
fireItemAdded(index);
}
public synchronized int addElement (D item) {
int index;
index = dataList.size();
dataList.add(item);
fireItemAdded(index);
return index;
}
public synchronized int addElement (D item, Comparator comparator) {
Iterator dataIter;
int index = 0;
dataIter = dataList.iterator();
while (dataIter.hasNext()) {
if (comparator.compare(item, dataIter.next()) < 0) {
break;
} else {
index++;
}
}
addElement(index, item);
return index;
}
public synchronized void removeElement (int index) {
dataList.remove(index);
fireIntervalRemoved(index, index);
}
public synchronized int removeElement (D element) {
int index;
index = dataList.indexOf(element);
removeElement(index);
return index;
}
public synchronized void shiftElementUp (int index) {
D item;
if (index > 0) {
item = dataList.remove(index);
fireIntervalRemoved(index, index);
dataList.add(index - 1, item);
fireItemAdded(index - 1);
}
}
public synchronized void shiftElementDown (int index) {
D item;
if (index < (dataList.size() - 1)) {
item = dataList.remove(index);
fireIntervalRemoved(index, index);
dataList.add(index + 1, item);
fireItemAdded(index + 1);
}
}
public synchronized void sort (Comparator comparator) {
if (!dataList.isEmpty()) {
Collections.sort(dataList, comparator);
fireIntervalChanged(0, dataList.size() - 1);
}
}
public synchronized void fireItemAdded (int index) {
Iterator listenerIter = listenerList.getListeners();
CatalogDataEvent catalogDataEvent;
catalogDataEvent = new CatalogDataEvent(this, index, index);
while (listenerIter.hasNext()) {
listenerIter.next().itemAdded(catalogDataEvent);
}
}
public synchronized void fireIntervalRemoved (int startIndex, int endIndex) {
Iterator listenerIter = listenerList.getListeners();
CatalogDataEvent catalogDataEvent;
catalogDataEvent = new CatalogDataEvent(this, startIndex, endIndex);
while (listenerIter.hasNext()) {
listenerIter.next().intervalRemoved(catalogDataEvent);
}
}
public synchronized void fireIntervalChanged (int startIndex, int endIndex) {
Iterator listenerIter = listenerList.getListeners();
CatalogDataEvent catalogDataEvent;
catalogDataEvent = new CatalogDataEvent(this, startIndex, endIndex);
while (listenerIter.hasNext()) {
listenerIter.next().intervalChanged(catalogDataEvent);
}
}
}
