/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.test.uitools.app;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import javax.swing.ListModel;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
import org.eclipse.persistence.tools.workbench.uitools.app.ListValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ValueModel;
import org.eclipse.persistence.tools.workbench.utility.CollectionTools;
import org.eclipse.persistence.tools.workbench.utility.events.ListChangeEvent;
import org.eclipse.persistence.tools.workbench.utility.events.ListChangeListener;
/**
* Helper class that keeps an internal list in synch with the
* list held by a list value model.
*/
public class SynchronizedList implements List, ListChangeListener, ListDataListener {
private List synchList = new ArrayList();
public SynchronizedList(ListValueModel listValueModel) {
listValueModel.addListChangeListener(ValueModel.VALUE, this);
for (Iterator stream = (ListIterator) listValueModel.getValue(); stream.hasNext(); ) {
this.add(stream.next());
}
}
public SynchronizedList(ListModel listModel) {
listModel.addListDataListener(this);
for (int i = 0; i < listModel.getSize(); i++) {
this.add(i, listModel.getElementAt(i));
}
}
// ********** List implementation **********
/**
* @see java.util.List#add(int, java.lang.Object)
*/
public void add(int index, Object element) {
this.synchList.add(index, element);
}
/**
* @see java.util.Collection#add(java.lang.Object)
*/
public boolean add(Object o) {
return this.synchList.add(o);
}
/**
* @see java.util.Collection#addAll(java.util.Collection)
*/
public boolean addAll(Collection c) {
return this.synchList.addAll(c);
}
/**
* @see java.util.List#addAll(int, java.util.Collection)
*/
public boolean addAll(int index, Collection c) {
return this.synchList.addAll(index, c);
}
/**
* @see java.util.Collection#clear()
*/
public void clear() {
this.synchList.clear();
}
/**
* @see java.util.Collection#contains(java.lang.Object)
*/
public boolean contains(Object o) {
return this.synchList.contains(o);
}
/**
* @see java.util.Collection#containsAll(java.util.Collection)
*/
public boolean containsAll(Collection c) {
return this.synchList.containsAll(c);
}
/**
* @see java.util.List#get(int)
*/
public Object get(int index) {
return this.synchList.get(index);
}
/**
* @see java.util.List#indexOf(java.lang.Object)
*/
public int indexOf(Object o) {
return this.synchList.indexOf(o);
}
/**
* @see java.util.Collection#isEmpty()
*/
public boolean isEmpty() {
return this.synchList.isEmpty();
}
/**
* @see java.util.Collection#iterator()
*/
public Iterator iterator() {
return this.synchList.iterator();
}
/**
* @see java.util.List#lastIndexOf(java.lang.Object)
*/
public int lastIndexOf(Object o) {
return this.synchList.lastIndexOf(o);
}
/**
* @see java.util.List#listIterator()
*/
public ListIterator listIterator() {
return this.synchList.listIterator();
}
/**
* @see java.util.List#listIterator(int)
*/
public ListIterator listIterator(int index) {
return this.synchList.listIterator(index);
}
/**
* @see java.util.List#remove(int)
*/
public Object remove(int index) {
return this.synchList.remove(index);
}
/**
* @see java.util.Collection#remove(java.lang.Object)
*/
public boolean remove(Object o) {
return this.synchList.remove(o);
}
/**
* @see java.util.Collection#removeAll(java.util.Collection)
*/
public boolean removeAll(Collection c) {
return this.synchList.removeAll(c);
}
/**
* @see java.util.Collection#retainAll(java.util.Collection)
*/
public boolean retainAll(Collection c) {
return this.synchList.retainAll(c);
}
/**
* @see java.util.List#set(int, java.lang.Object)
*/
public Object set(int index, Object element) {
return this.synchList.set(index, element);
}
/**
* @see java.util.Collection#size()
*/
public int size() {
return this.synchList.size();
}
/**
* @see java.util.List#subList(int, int)
*/
public List subList(int fromIndex, int toIndex) {
return this.synchList.subList(fromIndex, toIndex);
}
/**
* @see java.util.Collection#toArray()
*/
public Object[] toArray() {
return this.synchList.toArray();
}
/**
* @see java.util.Collection#toArray(java.lang.Object[])
*/
public Object[] toArray(Object[] a) {
return this.synchList.toArray(a);
}
// ********** ListChangeListener implementation **********
/**
* @see org.eclipse.persistence.tools.workbench.utility.events.ListChangeListener#itemsAdded(org.eclipse.persistence.tools.workbench.utility.events.ListChangeEvent)
*/
public void itemsAdded(ListChangeEvent e) {
int i = e.getIndex();
for (Iterator stream = e.items(); stream.hasNext(); ) {
this.synchList.add(i++, stream.next());
}
}
/**
* @see org.eclipse.persistence.tools.workbench.utility.events.ListChangeListener#itemsRemoved(org.eclipse.persistence.tools.workbench.utility.events.ListChangeEvent)
*/
public void itemsRemoved(ListChangeEvent e) {
int i = e.getIndex();
for (Iterator stream = e.items(); stream.hasNext(); ) {
stream.next();
this.synchList.remove(i);
}
}
/**
* @see org.eclipse.persistence.tools.workbench.utility.events.ListChangeListener#itemsReplaced(org.eclipse.persistence.tools.workbench.utility.events.ListChangeEvent)
*/
public void itemsReplaced(ListChangeEvent e) {
int i = e.getIndex();
for (ListIterator stream = e.items(); stream.hasNext(); ) {
this.synchList.set(i++, stream.next());
}
}
/**
* @see org.eclipse.persistence.tools.workbench.utility.events.ListChangeListener#listChanged(org.eclipse.persistence.tools.workbench.utility.events.ListChangeEvent)
*/
public void listChanged(ListChangeEvent e) {
this.synchList.clear();
CollectionTools.addAll(this.synchList, (Iterator) ((ListValueModel) e.getSource()).getValue());
}
// ********** ListDataListener implementation **********
/**
* @see javax.swing.event.ListDataListener#contentsChanged(javax.swing.event.ListDataEvent)
*/
public void contentsChanged(ListDataEvent e) {
this.synchList.clear();
ListModel lm = (ListModel) e.getSource();
int size = lm.getSize();
for (int i = 0; i < size; i++) {
this.synchList.add(i, lm.getElementAt(i));
}
}
/**
* @see javax.swing.event.ListDataListener#intervalAdded(javax.swing.event.ListDataEvent)
*/
public void intervalAdded(ListDataEvent e) {
ListModel lm = (ListModel) e.getSource();
int start = Math.min(e.getIndex0(), e.getIndex1());
int end = Math.max(e.getIndex0(), e.getIndex1());
for (int i = start; i <= end; i++) {
this.synchList.add(i, lm.getElementAt(i));
}
}
/**
* @see javax.swing.event.ListDataListener#intervalRemoved(javax.swing.event.ListDataEvent)
*/
public void intervalRemoved(ListDataEvent e) {
int start = Math.min(e.getIndex0(), e.getIndex1());
int end = Math.max(e.getIndex0(), e.getIndex1());
int length = end - start + 1;
for (int i = 1; i <= length; i++) {
this.synchList.remove(start);
}
}
// ********** standard methods **********
/**
* @see java.util.List#equals(java.lang.Object)
*/
public boolean equals(Object o) {
return this.synchList.equals(o);
}
/**
* @see java.util.List#hashCode()
*/
public int hashCode() {
return this.synchList.hashCode();
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
return this.synchList.toString();
}
}