/*******************************************************************************
* Copyright (c) 2012-2015 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.ltk.internal.ui.refactoring;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.CompositeChange;
import java.util.ArrayList;
import java.util.List;
public class CompositeChangeNode extends AbstractChangeNode {
private final RefactoringPreviewChangeFilter fFilter;
public CompositeChangeNode(PreviewNode parent, RefactoringPreviewChangeFilter filter, CompositeChange change) {
super(parent, change);
fFilter = filter;
}
public int getActive() {
return getCompositeChangeActive();
}
public ImageDescriptor getImageDescriptor() {
return RefactoringPluginImages.DESC_OBJS_COMPOSITE_CHANGE;
}
PreviewNode[] doCreateChildren() {
List children = new ArrayList();
getFlattendedChildren(children, this, (CompositeChange)getChange());
return (PreviewNode[])children.toArray(new PreviewNode[children.size()]);
}
private void getFlattendedChildren(List 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));
}
}
}
}
}