| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.draw2d; |
| |
| import java.util.Collection; |
| |
| /** |
| * A <code>TreeSearch</code> that excludes figures contained in a |
| * {@link java.util.Collection}. |
| * |
| * @author hudsonr |
| * @since 2.1 |
| */ |
| public class ExclusionSearch implements TreeSearch { |
| |
| private final Collection c; |
| |
| /** |
| * Constructs an Exclusion search using the given collection. |
| * |
| * @param collection |
| * the exclusion set |
| */ |
| public ExclusionSearch(Collection collection) { |
| this.c = collection; |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.TreeSearch#accept(IFigure) |
| */ |
| public boolean accept(IFigure figure) { |
| // Prune is called before accept, so there is no reason to check the |
| // collection again. |
| return true; |
| } |
| |
| /** |
| * Returns <code>true</code> if the figure is a member of the Collection. |
| * |
| * @see org.eclipse.draw2d.TreeSearch#prune(IFigure) |
| */ |
| public boolean prune(IFigure f) { |
| return c.contains(f); |
| } |
| |
| } |