| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.edit.util; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.emf.common.util.AbstractTreeIterator; |
| import org.eclipse.epf.uma.ContentPackage; |
| |
| |
| /** |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public abstract class ContentElementList { |
| |
| private ContentPackage contentPkg; |
| |
| protected class ElementIterator extends AbstractTreeIterator { |
| |
| /** |
| * Comment for <code>serialVersionUID</code> |
| */ |
| private static final long serialVersionUID = -2291438970123985906L; |
| |
| protected ElementIterator() { |
| super(contentPkg, false); |
| } |
| |
| protected List getChildrenList(Object object) { |
| ArrayList children = new ArrayList(); |
| if(object instanceof ContentPackage) { |
| ContentPackage pkg = (ContentPackage) object; |
| children.addAll(pkg.getChildPackages()); |
| List elements = pkg.getContentElements(); |
| for (int i = 0; i < elements.size(); i++) { |
| Object obj = elements.get(i); |
| if (accept(obj)) { |
| children.add(obj); |
| } |
| } |
| } |
| return children; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.emf.common.util.AbstractTreeIterator#getChildren(java.lang.Object) |
| */ |
| protected Iterator getChildren(Object object) { |
| return getChildrenList(object).iterator(); |
| } |
| |
| }; |
| |
| public ContentElementList(ContentPackage contentPkg) { |
| this.contentPkg = contentPkg; |
| } |
| |
| public abstract boolean accept(Object obj); |
| |
| protected Iterator elementIterator() { |
| return new ElementIterator(); |
| } |
| |
| private void getAllElements(ContentPackage pkg, List list) { |
| // List elements = pkg.getContentElements(); |
| // for (int i = 0; i < elements.size(); i++) { |
| // Object obj = elements.get(i); |
| // if (accept(obj)) { |
| // list.add(obj); |
| // } |
| // } |
| // List packages = pkg.getChildPackages(); |
| // for (int i = 0; i < packages.size(); i++) { |
| // Object obj = packages.get(i); |
| // if (obj instanceof ContentPackage) { |
| // getAllElements((ContentPackage) obj, list); |
| // } |
| // } |
| |
| for(Iterator iter = elementIterator(); iter.hasNext();) { |
| Object e = iter.next(); |
| if(!(e instanceof ContentPackage)) { |
| list.add(e); |
| } |
| } |
| } |
| |
| public List getList() { |
| List list = new ArrayList(); |
| getAllElements(contentPkg, list); |
| return list; |
| } |
| |
| } |