| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jarpackager; |
| |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| |
| /** |
| * Only selects packages (i.e. IPackageFragments) which are in |
| * the initial packages list and parent types (i.e. package fragment |
| * root, Java project and Java model) |
| */ |
| class SealPackagesFilter extends ViewerFilter { |
| |
| private List fAllowedPackages; |
| |
| public SealPackagesFilter(List packages) { |
| fAllowedPackages= packages; |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) |
| */ |
| public boolean select(Viewer viewer, Object parent, Object element) { |
| if (element instanceof IJavaElement) { |
| int type= ((IJavaElement)element).getElementType(); |
| if (type == IJavaElement.JAVA_MODEL || type == IJavaElement.JAVA_PROJECT || type ==IJavaElement.PACKAGE_FRAGMENT_ROOT) |
| return true; |
| return (type == IJavaElement.PACKAGE_FRAGMENT && fAllowedPackages.contains(element)); |
| |
| } |
| else |
| return false; |
| } |
| } |