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/*******************************************************************************
* Copyright (c) 2012 Ericsson
* 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:
* Miles Parker (Tasktop Technologies) - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.reviews.ui.providers;
import java.util.Date;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.mylyn.reviews.core.model.IDated;
import org.eclipse.mylyn.reviews.core.model.IIndexed;
import org.eclipse.mylyn.reviews.core.model.IReviewItem;
/**
* Default ordering for review items. Order is in general:
* <ol>
* <li>Global Comments</i>
* <li>Patch Sets, ReviewItemSets, other containers</li>
* <li>Dated Items by Change Date (Includes e.g. patch sets, artifacts, etc..)</li>
* <li>Orderable Items (Locations, Comments without dates)</li>
* <li>Other Review Items (Files, by full path name)</li>
* </ol>
*
* @author Miles Parker
*/
public class ReviewsSorter extends ViewerSorter {
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
if (e1 instanceof GlobalCommentsNode) {
return -1;
}
if (e2 instanceof GlobalCommentsNode) {
return 1;
}
Date d1 = null;
if (e1 instanceof IDated) {
IDated ed1 = (IDated) e1;
d1 = ed1.getModificationDate();
if (d1 == null) {
d1 = ed1.getCreationDate();
}
}
Date d2 = null;
if (e2 instanceof IDated) {
IDated ed2 = (IDated) e2;
d2 = ed2.getModificationDate();
if (d2 == null) {
d2 = ed2.getCreationDate();
}
}
if (d1 != null && d2 != null) {
return d1.compareTo(d2);
}
if (e1 instanceof IIndexed && e2 instanceof IIndexed) {
return IIndexed.COMPARATOR.compare((IIndexed) e1, (IIndexed) e2);
}
if (d1 != null) {
return -1;
}
if (d2 != null) {
return 1;
}
if (e1 instanceof IIndexed) {
return -1;
}
if (e2 instanceof IIndexed) {
return 1;
}
//We want to use full path, not the shortened name in UI.
if (e1 instanceof IReviewItem && e2 instanceof IReviewItem) {
return super.compare(viewer, ((IReviewItem) e1).getName(), ((IReviewItem) e2).getName());
}
return super.compare(viewer, e1, e2);
}
@Override
public int category(Object element) {
if (element instanceof IIndexed) {
return 1;
}
if (element instanceof IDated) {
return 2;
}
return super.category(element);
}
}
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