| /******************************************************************************* |
| * Copyright (c) 2006 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 |
| * Brad Reynolds - bug 164653 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.databinding.observable.map; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.eclipse.core.databinding.observable.AbstractObservable; |
| import org.eclipse.core.databinding.observable.ObservableTracker; |
| import org.eclipse.core.databinding.observable.Realm; |
| |
| /** |
| * @since 1.1 |
| * |
| */ |
| public class ObservableMap extends AbstractObservable implements IObservableMap { |
| |
| protected Map wrappedMap; |
| |
| private boolean stale = false; |
| |
| /** |
| * @param wrappedMap |
| */ |
| public ObservableMap(Map wrappedMap) { |
| this(Realm.getDefault(), wrappedMap); |
| } |
| |
| /** |
| * @param realm |
| * @param wrappedMap |
| */ |
| public ObservableMap(Realm realm, Map wrappedMap) { |
| super(realm); |
| this.wrappedMap = wrappedMap; |
| } |
| |
| public synchronized void addMapChangeListener(IMapChangeListener listener) { |
| addListener(MapChangeEvent.TYPE, listener); |
| } |
| |
| public synchronized void removeMapChangeListener(IMapChangeListener listener) { |
| removeListener(MapChangeEvent.TYPE, listener); |
| } |
| |
| protected void getterCalled() { |
| ObservableTracker.getterCalled(this); |
| } |
| |
| protected void fireMapChange(MapDiff diff) { |
| checkRealm(); |
| |
| // fire general change event first |
| super.fireChange(); |
| |
| fireEvent(new MapChangeEvent(this, diff)); |
| } |
| |
| public boolean containsKey(Object key) { |
| getterCalled(); |
| return wrappedMap.containsKey(key); |
| } |
| |
| public boolean containsValue(Object value) { |
| getterCalled(); |
| return wrappedMap.containsValue(value); |
| } |
| |
| public Set entrySet() { |
| getterCalled(); |
| return wrappedMap.entrySet(); |
| } |
| |
| public Object get(Object key) { |
| getterCalled(); |
| return wrappedMap.get(key); |
| } |
| |
| public boolean isEmpty() { |
| getterCalled(); |
| return wrappedMap.isEmpty(); |
| } |
| |
| public Set keySet() { |
| getterCalled(); |
| return wrappedMap.keySet(); |
| } |
| |
| public int size() { |
| getterCalled(); |
| return wrappedMap.size(); |
| } |
| |
| public Collection values() { |
| getterCalled(); |
| return wrappedMap.values(); |
| } |
| |
| /** |
| * Returns the stale state. Must be invoked from the current realm. |
| * |
| * @return stale state |
| */ |
| public boolean isStale() { |
| checkRealm(); |
| return stale; |
| } |
| |
| /** |
| * Sets the stale state. Must be invoked from the current realm. |
| * |
| * @param stale |
| * The stale state to set. This will fire a stale event if the |
| * given boolean is true and this observable set was not already |
| * stale. |
| */ |
| public void setStale(boolean stale) { |
| checkRealm(); |
| boolean wasStale = this.stale; |
| this.stale = stale; |
| if (!wasStale && stale) { |
| fireStale(); |
| } |
| } |
| |
| public Object put(Object key, Object value) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Object remove(Object key) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void clear() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void putAll(Map arg0) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public synchronized void dispose() { |
| super.dispose(); |
| } |
| } |