| /******************************************************************************* |
| * Copyright (c) 2000, 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.filters; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IResource; |
| |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| public class NoPackageContainingFoldersFilter extends ViewerFilter { |
| |
| /* |
| * @see ViewerFilter |
| */ |
| public boolean select(Viewer viewer, Object parent, Object element) { |
| if (element instanceof IFolder) { |
| try { |
| if (containsPackage((IFolder)element)) |
| return true; |
| else |
| return false; |
| } catch (CoreException e) { |
| return true; |
| } |
| } |
| |
| return true; |
| } |
| |
| private boolean containsPackage(IFolder folder) throws CoreException { |
| IJavaElement element= JavaCore.create(folder); |
| if (element instanceof IPackageFragment) |
| return true; |
| IResource[] resources= folder.members(); |
| for (int i= 0; i < resources.length; i++) { |
| if (resources[i] instanceof IFolder && containsPackage((IFolder)resources[i])) |
| return true; |
| } |
| return false; |
| } |
| |
| } |