| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.wizards.datatransfer; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.jface.operation.ModalContext; |
| |
| import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; |
| import org.eclipse.ui.internal.wizards.datatransfer.MinimizedFileSystemElement; |
| |
| |
| /** |
| * The PopulateElementOperation has a MinimizedFileSystemElement as an object as this is |
| * just filled in. |
| */ |
| public class PopulateElementOperation extends PopulateRootOperation { |
| /** |
| * Create a new <code>PopulateElementsOperation</code>. |
| * @param rootObject the object to be populated |
| * @param structureProvider the object that defines how we are to populate it. |
| */ |
| public PopulateElementOperation(MinimizedFileSystemElement rootObject, |
| IImportStructureProvider structureProvider) { |
| super(rootObject, structureProvider); |
| } |
| |
| /** |
| * Populates the children of element down to level depth |
| */ |
| private void populateElement(MinimizedFileSystemElement element, |
| IProgressMonitor monitor) throws InterruptedException { |
| |
| Object fileSystemObject = element.getFileSystemObject(); |
| ModalContext.checkCanceled(monitor); |
| |
| List children = provider.getChildren(fileSystemObject); |
| if (children == null) |
| children = new ArrayList(1); |
| Iterator childrenEnum = children.iterator(); |
| while (childrenEnum.hasNext()) { |
| //Create one level below |
| createElement(element, childrenEnum.next(), 1); |
| } |
| element.setPopulated(); |
| } |
| |
| /** |
| * Runs the operation. The result of this operation is always the elemen provided. |
| */ |
| public void run(IProgressMonitor monitor) throws InterruptedException { |
| try { |
| this.monitor = monitor; |
| monitor |
| .beginTask( |
| DataTransferMessages |
| .getString("DataTransfer.scanningChildren"), IProgressMonitor.UNKNOWN); //$NON-NLS-1$ |
| MinimizedFileSystemElement element = (MinimizedFileSystemElement) root; |
| populateElement(element, monitor); |
| |
| } finally { |
| monitor.done(); |
| } |
| } |
| } |