Mercurial > projects > dwt2
view org.eclipse.core.databinding/src/org/eclipse/core/databinding/observable/map/ObservableMap.d @ 85:6be48cf9f95c
Work on databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 18 Apr 2009 13:54:50 +0200 |
parents | 383ce7bd736b |
children |
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/******************************************************************************* * Copyright (c) 2006, 2007 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 *******************************************************************************/ module org.eclipse.core.databinding.observable.map.ObservableMap; import org.eclipse.core.databinding.observable.map.MapDiff; import org.eclipse.core.databinding.observable.map.MapChangeEvent; import org.eclipse.core.databinding.observable.map.IMapChangeListener; import org.eclipse.core.databinding.observable.map.IObservableMap; import java.lang.all; import java.util.Collection; import java.util.Map; import java.util.Set; import org.eclipse.core.databinding.observable.IChangeListener; import org.eclipse.core.databinding.observable.IStaleListener; import org.eclipse.core.databinding.observable.AbstractObservable; import org.eclipse.core.databinding.observable.ObservableTracker; import org.eclipse.core.databinding.observable.Realm; /** * * <p> * This class is thread safe. All state accessing methods must be invoked from * the {@link Realm#isCurrent() current realm}. Methods for adding and removing * listeners may be invoked from any thread. * </p> * @since 1.0 */ public class ObservableMap : AbstractObservable , IObservableMap { // DWT start: java.util.Map additional methods public bool containsKey(String key) { return containsKey(stringcast(key)); } public Object get(String key){ return get(stringcast(key)); } public Object put(String key, Object value){ return put(stringcast(key), value); } public Object put(Object key, String value){ return put(key, stringcast(value)); } public Object put(String key, String value){ return put(stringcast(key), stringcast(value)); } public Object remove(String key){ return remove(stringcast(key)); } public int opApply (int delegate(ref Object value) dg){ foreach( entry; entrySet() ){ auto me = cast(Map.Entry)entry; auto v = me.getValue(); int res = dg( v ); if( res ) return res; } return 0; } public int opApply (int delegate(ref Object key, ref Object value) dg){ foreach( entry; entrySet() ){ auto me = cast(Map.Entry)entry; auto k = me.getKey(); auto v = me.getValue(); int res = dg( k, v ); if( res ) return res; } return 0; } // DWT end: java.util.Map additional methods // DWT start reimpl super meths public override Realm getRealm() { return super.getRealm(); } public override void addChangeListener(IChangeListener listener) { super.addChangeListener(listener); } public override void addStaleListener(IStaleListener listener) { super.addStaleListener(listener); } public override void removeChangeListener(IChangeListener listener) { super.removeChangeListener(listener); } public override void removeStaleListener(IStaleListener listener) { super.removeStaleListener(listener); } public override hash_t toHash(){ return super.toHash(); } public equals_t opEquals( Object o){ if( ObservableMap other = cast(ObservableMap)o){ return cast(equals_t)entrySet().opEquals( cast(Object) other.entrySet() ); } return false; } // DWT end reimpl super meths protected Map wrappedMap; private bool stale = false; /** * @param wrappedMap */ public this(Map wrappedMap) { this(Realm.getDefault(), wrappedMap); } /** * @param realm * @param wrappedMap */ public this(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 bool containsKey(Object key) { getterCalled(); return wrappedMap.containsKey(key); } public bool 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 bool 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 bool 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 bool is true and this observable set was not already * stale. */ public void setStale(bool stale) { checkRealm(); bool 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(); } }