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1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2011 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * IBM Corporation - initial API and implementation | |
10 | *******************************************************************************/ | |
11 | package org.eclipse.jdt.internal.ui.filters; | |
12 | ||
13 | import org.eclipse.core.resources.IProject; | |
14 | import org.eclipse.core.resources.IResource; | |
15 | ||
16 | import org.eclipse.jface.viewers.Viewer; | |
17 | import org.eclipse.jface.viewers.ViewerFilter; | |
18 | ||
19 | import org.eclipse.jdt.core.IPackageFragmentRoot; | |
20 | ||
21 | import org.eclipse.jdt.internal.ui.packageview.ClassPathContainer; | |
22 | ||
23 | ||
24 | /** | |
25 | * The LibraryFilter is a filter used to determine whether | |
26 | * a Java library is shown | |
27 | */ | |
28 | public class LibraryFilter extends ViewerFilter { | |
29 | ||
30 | /* (non-Javadoc) | |
31 | * Method declared on ViewerFilter. | |
32 | */ | |
33 | @Override | |
34 | public boolean select(Viewer viewer, Object parentElement, Object element) { | |
35 | if (element instanceof IPackageFragmentRoot) { | |
36 | IPackageFragmentRoot root= (IPackageFragmentRoot)element; | |
37 | if (root.isArchive()) { | |
38 | // don't filter out JARs contained in the project itself | |
39 | IResource resource= root.getResource(); | |
40 | if (resource != null) { | |
41 | IProject jarProject= resource.getProject(); | |
42 | IProject container= root.getJavaProject().getProject(); | |
43 | return container.equals(jarProject); | |
44 | } | |
45 | return false; | |
46 | } | |
47 | } else if (element instanceof ClassPathContainer.RequiredProjectWrapper) { | |
48 | return false; | |
49 | } | |
50 | return true; | |
51 | } | |
52 | } |