| /******************************************************************************* |
| * Copyright (c) 2011, 2016 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Lars Vogel <Lars.Vogel@vogella.com> - Bug 487988 |
| *******************************************************************************/ |
| package org.eclipse.pde.internal.ui.shared.target; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.equinox.p2.metadata.IInstallableUnit; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.pde.core.target.ITargetDefinition; |
| import org.eclipse.pde.internal.core.target.IUBundleContainer; |
| import org.eclipse.pde.internal.core.target.P2TargetUtils; |
| |
| /** |
| * Content Provider for the {@link IUBundleContainer} target location |
| * |
| */ |
| public class IUContentProvider implements ITreeContentProvider { |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return null; |
| } |
| |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| IUBundleContainer location = (IUBundleContainer) parentElement; |
| if (location.isResolved()) { |
| try { |
| // if this is a bundle container then we must be sure that all bundle containers are |
| // happy since they all share the same profile. |
| ITargetDefinition target = location.getTarget(); |
| if (target == null || !P2TargetUtils.isResolved(target)) { |
| return new Object[0]; |
| } |
| IInstallableUnit[] units = location.getInstallableUnits(); |
| // Wrap the units so that they remember their parent container |
| List<IUWrapper> wrappedUnits = new ArrayList<>(units.length); |
| for (IInstallableUnit unit : units) { |
| wrappedUnits.add(new IUWrapper(unit, location)); |
| } |
| return wrappedUnits.toArray(); |
| } catch (CoreException e) { |
| return new Object[] {e.getStatus()}; |
| } |
| } |
| return new Object[0]; |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| if (element instanceof IUWrapper) { |
| return ((IUWrapper) element).getParent(); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| return false; |
| } |
| |
| /** |
| * Wraps an installable unit so that it knows what bundle container parent it belongs to |
| * in the tree. |
| */ |
| public static class IUWrapper { |
| private IInstallableUnit fIU; |
| private IUBundleContainer fParent; |
| |
| public IUWrapper(IInstallableUnit unit, IUBundleContainer parent) { |
| fIU = unit; |
| fParent = parent; |
| } |
| |
| public IInstallableUnit getIU() { |
| return fIU; |
| } |
| |
| public IUBundleContainer getParent() { |
| return fParent; |
| } |
| } |
| } |