01: /*******************************************************************************
02: * Copyright (c) 2000, 2005 IBM Corporation and others.
03: * All rights reserved. This program and the accompanying materials
04: * are made available under the terms of the Eclipse Public License v1.0
05: * which accompanies this distribution, and is available at
06: * http://www.eclipse.org/legal/epl-v10.html
07: *
08: * Contributors:
09: * IBM Corporation - initial API and implementation
10: *******************************************************************************/package org.eclipse.jdt.internal.ui.filters;
11:
12: import org.eclipse.jface.viewers.Viewer;
13: import org.eclipse.jface.viewers.ViewerFilter;
14:
15: import org.eclipse.jdt.core.IClassFile;
16: import org.eclipse.jdt.core.ICompilationUnit;
17: import org.eclipse.jdt.core.IPackageFragment;
18: import org.eclipse.jdt.core.JavaModelException;
19:
20: /**
21: * Filters out all compilation units and class files elements.
22: */
23: public class JavaFileFilter extends ViewerFilter {
24:
25: /**
26: * Returns the result of this filter, when applied to the
27: * given inputs.
28: *
29: * @return Returns true if element should be included in filtered set
30: */
31: public boolean select(Viewer viewer, Object parent, Object element) {
32: if (element instanceof ICompilationUnit)
33: return false;
34: if (element instanceof IClassFile)
35: return false;
36:
37: if (element instanceof IPackageFragment)
38: try {
39: return ((IPackageFragment) element)
40: .getNonJavaResources().length > 0;
41: } catch (JavaModelException ex) {
42: return true;
43: }
44: return true;
45: }
46: }
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