| /******************************************************************************* |
| * Copyright (c) 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.internal.databinding; |
| |
| import java.util.List; |
| |
| import org.eclipse.jface.databinding.ChangeEvent; |
| import org.eclipse.jface.databinding.IUpdatableCollection; |
| import org.eclipse.jface.databinding.Updatable; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class ListUpdatableCollection extends Updatable implements |
| IUpdatableCollection { |
| |
| private final List elements; |
| |
| private boolean updating; |
| |
| /** |
| * @param elements |
| * @param elementType |
| */ |
| public ListUpdatableCollection(List elements, Class elementType) { |
| this.elements = elements; |
| } |
| |
| public int getSize() { |
| return elements.size(); |
| } |
| |
| public int addElement(Object value, int index) { |
| updating = true; |
| try { |
| elements.add(index, value); |
| fireChangeEvent(ChangeEvent.ADD, null, value, index); |
| return index; |
| } finally { |
| updating = false; |
| } |
| } |
| |
| public void removeElement(int index) { |
| updating = true; |
| try { |
| Object oldValue = elements.remove(index); |
| fireChangeEvent(ChangeEvent.REMOVE, oldValue, null, index); |
| } finally { |
| updating = false; |
| } |
| } |
| |
| public void setElement(int index, Object value) { |
| updating = true; |
| try { |
| Object oldValue = elements.set(index, value); |
| fireChangeEvent(ChangeEvent.CHANGE, oldValue, value, index); |
| } finally { |
| updating = false; |
| } |
| } |
| |
| public Object getElement(int index) { |
| return elements.get(index); |
| } |
| |
| public Class getElementType() { |
| return Object.class; |
| } |
| |
| } |