| /******************************************************************************* |
| * Copyright (c) 2007 Brad Reynolds 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: |
| * Brad Reynolds - initial API and implementation |
| * Matthew Hall - bug 208858 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.internal.databinding.beans; |
| |
| import java.beans.PropertyDescriptor; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ListIterator; |
| |
| import org.eclipse.core.databinding.beans.IBeanObservable; |
| import org.eclipse.core.databinding.observable.IStaleListener; |
| import org.eclipse.core.databinding.observable.ObservableTracker; |
| import org.eclipse.core.databinding.observable.StaleEvent; |
| import org.eclipse.core.databinding.observable.list.AbstractObservableList; |
| import org.eclipse.core.databinding.observable.list.IListChangeListener; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.list.ListChangeEvent; |
| import org.eclipse.core.internal.databinding.Util; |
| |
| /** |
| * {@link IBeanObservable} decorator for an {@link IObservableList}. |
| * |
| * @since 3.3 |
| */ |
| public class BeanObservableListDecorator extends AbstractObservableList |
| implements IBeanObservable { |
| private IObservableList delegate; |
| private IStaleListener delegateStaleListener; |
| private IListChangeListener delegateListChangeListener; |
| |
| private Object observed; |
| private PropertyDescriptor propertyDescriptor; |
| |
| /** |
| * @param delegate |
| * @param observed |
| * @param propertyDescriptor |
| */ |
| public BeanObservableListDecorator(IObservableList delegate, |
| Object observed, PropertyDescriptor propertyDescriptor) { |
| super(delegate.getRealm()); |
| this.delegate = delegate; |
| this.observed = observed; |
| this.propertyDescriptor = propertyDescriptor; |
| } |
| |
| public void add(int index, Object element) { |
| delegate.add(index, element); |
| } |
| |
| public boolean add(Object o) { |
| return delegate.add(o); |
| } |
| |
| public boolean addAll(Collection c) { |
| return delegate.addAll(c); |
| } |
| |
| public boolean addAll(int index, Collection c) { |
| return delegate.addAll(index, c); |
| } |
| |
| public void clear() { |
| delegate.clear(); |
| } |
| |
| public void dispose() { |
| delegate.dispose(); |
| super.dispose(); |
| } |
| |
| public boolean equals(Object o) { |
| getterCalled(); |
| if (o instanceof BeanObservableListDecorator) { |
| BeanObservableListDecorator other = (BeanObservableListDecorator) o; |
| return Util.equals(other.delegate, delegate); |
| } |
| return Util.equals(delegate, o); |
| } |
| |
| public Object get(int index) { |
| getterCalled(); |
| return delegate.get(index); |
| } |
| |
| public Object getElementType() { |
| return delegate.getElementType(); |
| } |
| |
| public int hashCode() { |
| getterCalled(); |
| return delegate.hashCode(); |
| } |
| |
| public int indexOf(Object o) { |
| getterCalled(); |
| return delegate.indexOf(o); |
| } |
| |
| public Iterator iterator() { |
| getterCalled(); |
| return delegate.iterator(); |
| } |
| |
| public int lastIndexOf(Object o) { |
| getterCalled(); |
| return delegate.lastIndexOf(o); |
| } |
| |
| public ListIterator listIterator() { |
| getterCalled(); |
| return delegate.listIterator(); |
| } |
| |
| public ListIterator listIterator(int index) { |
| getterCalled(); |
| return delegate.listIterator(index); |
| } |
| |
| public Object move(int oldIndex, int newIndex) { |
| return delegate.move(oldIndex, newIndex); |
| } |
| |
| public Object remove(int index) { |
| return delegate.remove(index); |
| } |
| |
| public boolean remove(Object o) { |
| return delegate.remove(o); |
| } |
| |
| public boolean removeAll(Collection c) { |
| return delegate.removeAll(c); |
| } |
| |
| public boolean retainAll(Collection c) { |
| return delegate.retainAll(c); |
| } |
| |
| public Object set(int index, Object element) { |
| return delegate.set(index, element); |
| } |
| |
| protected int doGetSize() { |
| return delegate.size(); |
| } |
| |
| public List subList(int fromIndex, int toIndex) { |
| getterCalled(); |
| return delegate.subList(fromIndex, toIndex); |
| } |
| |
| public Object[] toArray() { |
| getterCalled(); |
| return delegate.toArray(); |
| } |
| |
| public Object[] toArray(Object[] a) { |
| return delegate.toArray(a); |
| } |
| |
| protected void firstListenerAdded() { |
| delegateStaleListener = new IStaleListener() { |
| public void handleStale(StaleEvent staleEvent) { |
| fireStale(); |
| } |
| }; |
| delegate.addStaleListener(delegateStaleListener); |
| |
| delegateListChangeListener = new IListChangeListener() { |
| public void handleListChange(ListChangeEvent event) { |
| fireListChange(event.diff); |
| } |
| }; |
| delegate.addListChangeListener(delegateListChangeListener); |
| } |
| |
| protected void lastListenerRemoved() { |
| delegate.removeStaleListener(delegateStaleListener); |
| delegateStaleListener = null; |
| |
| delegate.removeListChangeListener(delegateListChangeListener); |
| delegateListChangeListener = null; |
| } |
| |
| private void getterCalled() { |
| ObservableTracker.getterCalled(this); |
| } |
| |
| /** |
| * @return list being delegated to |
| */ |
| public IObservableList getDelegate() { |
| return delegate; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.databinding.beans.IBeanObservable#getObserved() |
| */ |
| public Object getObserved() { |
| return observed; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.databinding.beans.IBeanObservable#getPropertyDescriptor() |
| */ |
| public PropertyDescriptor getPropertyDescriptor() { |
| return propertyDescriptor; |
| } |
| } |