/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.studio.openldap.config.editor.overlays;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
/**
* This class defines a sorter for a ModuleList wrapper viewer.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ModuleWrapperViewerSorter extends ViewerSorter
{
public int compare( Viewer viewer, Object e1, Object e2 )
{
if ( ( e1 instanceof ModuleWrapper ) && ( e2 instanceof ModuleWrapper ) )
{
ModuleWrapper module1 = (ModuleWrapper)e1;
ModuleWrapper module2 = (ModuleWrapper)e2;
if ( e1 == e2 )
{
// Short circuit...
return 0;
}
// First, compare the moduleList
int comp = module1.getModuleListName().compareToIgnoreCase( module2.getModuleListName() );
if ( comp == 0 )
{
// Same ModuleList. Check the index
if ( module1.getModuleListIndex() == module2.getModuleListIndex() )
{
// Same index : check the modules' order
if ( module1.getOrder() > module2.getOrder() )
{
return 1;
}
else
{
return -1;
}
}
else
{
// We can get out
if ( module1.getModuleListIndex() > module2.getModuleListIndex() )
{
return 1;
}
else
{
return -1;
}
}
}
else
{
// The are different, we can get out
return comp;
}
}
return super.compare( viewer, e1, e2 );
}
}