/*******************************************************************************
* Copyright (c) 2010 SAP AG.
* 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:
* Mathias Kinzler (SAP AG) - initial implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal.repository.tree;
import java.text.Collator;
import org.eclipse.jface.viewers.Viewer;
/**
* Sorter for the Git Repositories View.
*/
public class RepositoriesViewSorter extends
org.eclipse.jface.viewers.ViewerSorter {
/**
* Default constructor
*/
public RepositoriesViewSorter() {
this(null);
}
/**
* Construct sorter from collator
* @param collator to be used for locale-sensitive sorting
*/
public RepositoriesViewSorter(Collator collator) {
super(collator);
}
@SuppressWarnings("unchecked")
@Override
public int category(Object element) {
if (element instanceof RepositoryTreeNode) {
RepositoryTreeNode<? extends Object> node = (RepositoryTreeNode<? extends Object>) element;
if (node.getType() == RepositoryTreeNodeType.BRANCHHIERARCHY)
return RepositoryTreeNodeType.REF.ordinal();
return node.getType().ordinal();
}
return super.category(element);
}
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
if (e1 instanceof RepositoryTreeNode
&& e2 instanceof RepositoryTreeNode) {
RepositoryTreeNode node1 = (RepositoryTreeNode) e1;
RepositoryTreeNode node2 = (RepositoryTreeNode) e2;
return node1.compareTo(node2);
} else {
return super.compare(viewer, e1, e2);
}
}
}