| /******************************************************************************* |
| * Copyright (c) 2000, 2008 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.ltk.internal.ui.refactoring; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.CompositeChange; |
| |
| public class CompositeChangeNode extends AbstractChangeNode { |
| |
| private final RefactoringPreviewChangeFilter fFilter; |
| |
| public CompositeChangeNode(PreviewNode parent, RefactoringPreviewChangeFilter filter, CompositeChange change) { |
| super(parent, change); |
| fFilter= filter; |
| } |
| |
| @Override |
| int getActive() { |
| return getCompositeChangeActive(); |
| } |
| |
| @Override |
| public ImageDescriptor getImageDescriptor() { |
| return RefactoringPluginImages.DESC_OBJS_COMPOSITE_CHANGE; |
| } |
| |
| @Override |
| PreviewNode[] doCreateChildren() { |
| List<PreviewNode> children= new ArrayList<>(); |
| getFlattendedChildren(children, this, (CompositeChange)getChange()); |
| return children.toArray(new PreviewNode[children.size()]); |
| } |
| |
| private void getFlattendedChildren(List<PreviewNode> result, CompositeChangeNode parent, CompositeChange focus) { |
| Change[] changes= focus.getChildren(); |
| for (int i= 0; i < changes.length; i++) { |
| Change change= changes[i]; |
| if (fFilter == null || fFilter.select(change)) { |
| if (change instanceof CompositeChange && ((CompositeChange) change).isSynthetic()) { |
| getFlattendedChildren(result, parent, (CompositeChange) change); |
| } else { |
| result.add(createNode(parent, change)); |
| } |
| } |
| } |
| } |
| } |