| /******************************************************************************* |
| * Copyright (c) 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.ui.internal.ide; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.mapping.ResourceMapping; |
| import org.eclipse.core.resources.mapping.ResourceMappingContext; |
| import org.eclipse.core.resources.mapping.ResourceTraversal; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.ui.ide.ResourceUtil; |
| import org.eclipse.ui.internal.ISelectionConversionService; |
| |
| /** |
| * The IDESelectionConversionService is the selection service that uses the |
| * resource support available to the IDE. |
| * |
| * @since 3.2 |
| */ |
| public class IDESelectionConversionService implements |
| ISelectionConversionService { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.SelectionConversionService#convertToResources(org.eclipse.jface.viewers.IStructuredSelection) |
| */ |
| public IStructuredSelection convertToResources( |
| IStructuredSelection originalSelection) { |
| |
| List result = new ArrayList(); |
| Iterator elements = originalSelection.iterator(); |
| |
| while (elements.hasNext()) { |
| Object currentElement = elements.next(); |
| |
| IResource resource = ResourceUtil.getResource(currentElement); |
| |
| if (resource == null) { |
| |
| ResourceMapping mapping = ResourceUtil |
| .getResourceMapping(currentElement); |
| if (mapping == null) |
| continue; |
| |
| ResourceTraversal[] traversals = null; |
| try { |
| traversals = mapping.getTraversals( |
| ResourceMappingContext.LOCAL_CONTEXT, |
| new NullProgressMonitor()); |
| } catch (CoreException e) { |
| IDEWorkbenchPlugin.log(e.getLocalizedMessage(), e |
| .getStatus()); |
| } |
| if (traversals != null) { |
| ResourceTraversal traversal = null; |
| IResource[] resources = null; |
| for (int i = 0; i < traversals.length; i++) { |
| traversal = traversals[i]; |
| resources = traversal.getResources(); |
| if (resources != null) { |
| for (int j = 0; j < resources.length; j++) { |
| result.add(resources[j]); |
| } |
| } |
| } |
| } |
| |
| } else |
| result.add(resource); |
| } |
| |
| // all that can be converted are done, answer new selection |
| if (result.isEmpty()) { |
| return StructuredSelection.EMPTY; |
| } |
| return new StructuredSelection(result.toArray()); |
| } |
| } |