| /******************************************************************************* |
| * Copyright (c) 2003, 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.debug.internal.ui.sourcelookup; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| /** |
| * Provides content for a tree viewer that shows only containers. |
| * |
| * @since 3.0 |
| */ |
| public class BasicContainerContentProvider implements ITreeContentProvider { |
| |
| private boolean fShowClosedProjects = true; |
| /** |
| * Creates a new ResourceContentProvider. |
| */ |
| public BasicContainerContentProvider() { |
| } |
| /** |
| * The visual part that is using this content provider is about |
| * to be disposed. Deallocate all allocated SWT resources. |
| */ |
| public void dispose() { |
| } |
| |
| /** |
| * @see ITreeContentProvider#getChildren |
| */ |
| public Object[] getChildren(Object element) { |
| if (element instanceof IWorkspaceRoot) { |
| // check if closed projects should be shown |
| IProject[] allProjects = ((IWorkspaceRoot) element).getProjects(); |
| if (fShowClosedProjects) |
| return allProjects; |
| |
| ArrayList accessibleProjects = new ArrayList(); |
| for (int i = 0; i < allProjects.length; i++) { |
| if (allProjects[i].isOpen()) { |
| accessibleProjects.add(allProjects[i]); |
| } |
| } |
| return accessibleProjects.toArray(); |
| } |
| return new Object[0]; |
| } |
| |
| /** |
| * @see ITreeContentProvider#getElements |
| */ |
| public Object[] getElements(Object element) { |
| return getChildren(element); |
| } |
| |
| /** |
| * @see ITreeContentProvider#getParent |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof IResource) |
| return ((IResource) element).getParent(); |
| return null; |
| } |
| |
| /** |
| * @see ITreeContentProvider#hasChildren |
| */ |
| public boolean hasChildren(Object element) { |
| return getChildren(element).length > 0; |
| } |
| |
| /** |
| * @see IContentProvider#inputChanged |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| |
| } |
| } |