| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.ui.filters; |
| |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.dltk.core.DLTKCore; |
| import org.eclipse.dltk.core.IModelElement; |
| import org.eclipse.dltk.core.IScriptFolder; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| |
| public class NoPackageContainingFoldersFilter extends ViewerFilter { |
| |
| @Override |
| public boolean select(Viewer viewer, Object parent, Object element) { |
| if (element instanceof IFolder) { |
| try { |
| if (containsPackage((IFolder) element)) { |
| return true; |
| } |
| return false; |
| } catch (CoreException e) { |
| return true; |
| } |
| } |
| |
| return true; |
| } |
| |
| private boolean containsPackage(IFolder folder) throws CoreException { |
| IModelElement element = DLTKCore.create(folder); |
| if (element instanceof IScriptFolder) |
| 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; |
| } |
| |
| } |