Mercurial > projects > dwt-addons
view dwtx/jface/viewers/deferred/SetModel.d @ 192:c3583c6ec027
Added missing default cases for switch statements
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 03 Nov 2008 22:52:26 +0100 |
parents | 04b47443bb01 |
children |
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/******************************************************************************* * Copyright (c) 2004, 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 * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.jface.viewers.deferred.SetModel; import dwtx.jface.viewers.deferred.AbstractConcurrentModel; import dwtx.jface.viewers.deferred.IConcurrentModelListener; import dwtx.core.runtime.Assert; import dwt.dwthelper.utils; import dwtx.dwtxhelper.Collection; /** * Trivial implementation of an <code>IConcurrentModel</code>. Implements * an unordered set of elements that fires off change notifications whenever * elements are added or removed from the set. All notifications are sent * synchronously. * * @since 3.1 */ public class SetModel : AbstractConcurrentModel { private HashSet data; public this(){ data = new HashSet(); } /** * Return the contents of the model. * @return the array of elements * */ public Object[] getElements() { return data.toArray(); } /** * Sets the contents to the given array of elements * * @param newContents new contents of this set */ public void set(Object[] newContents) { // Assert.isNotNull(newContents); data.clear(); for (int i = 0; i < newContents.length; i++) { Object object = newContents[i]; data.add(object); } IConcurrentModelListener[] listeners = getListeners(); for (int i = 0; i < listeners.length; i++) { IConcurrentModelListener listener = listeners[i]; listener.setContents(newContents); } } /** * Empties the set */ public void clear() { Object[] removed = data.toArray(); data.clear(); fireRemove(removed); } /** * Adds the given elements to the set * * @param toAdd elements to add */ public void addAll(Object[] toAdd) { // Assert.isNotNull(toAdd); for (int i = 0; i < toAdd.length; i++) { Object object = toAdd[i]; data.add(object); } fireAdd(toAdd); } /** * Adds the given elements to the set. Duplicate elements are ignored. * * @param toAdd elements to add */ public void addAll(Collection toAdd) { Assert.isNotNull(cast(Object)toAdd); addAll(toAdd.toArray()); } /** * Fires a change notification for all elements in the given array * * @param changed array of elements that have changed */ public void changeAll(Object[] changed) { // Assert.isNotNull(changed); fireUpdate(changed); } /** * Removes all of the given elements from the set. * * @param toRemove elements to remove */ public void removeAll(Object[] toRemove) { // Assert.isNotNull(toRemove); for (int i = 0; i < toRemove.length; i++) { Object object = toRemove[i]; data.remove(object); } fireRemove(toRemove); } /* (non-Javadoc) * @see dwtx.jface.viewers.deferred.IConcurrentModel#requestUpdate(dwtx.jface.viewers.deferred.IConcurrentModelListener) */ public void requestUpdate(IConcurrentModelListener listener) { Assert.isNotNull(cast(Object)listener); listener.setContents(getElements()); } }