/*******************************************************************************
* Copyright (c) 2007 Exadel, Inc. and Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Exadel, Inc. and Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.common.meta.action.impl.handlers;
import java.util.*;
import org.jboss.tools.common.meta.action.impl.*;
import org.jboss.tools.common.model.*;
import org.jboss.tools.common.model.impl.*;
public class SortByNameHandler extends AbstractHandler {
public boolean isEnabled(XModelObject object) {
return object != null && object.isObjectEditable() && object instanceof OrderedObjectImpl;
}
public void executeHandler(XModelObject object, Properties p) throws XModelException {
if(!isEnabled(object)) return;
OrderedObjectImpl ordered = (OrderedObjectImpl)object;
NameComparator c = new NameComparator();
c.attribute = action.getProperty("attribute"); //$NON-NLS-1$
ordered.sort(c);
ordered.setModified(true);
}
class NameComparator implements Comparator<XModelObject> {
String attribute;
public int compare(XModelObject o1, XModelObject o2) {
if(attribute == null) return 0;
String s1 = o1.getAttributeValue(attribute);
String s2 = o2.getAttributeValue(attribute);
s1 = (s1 == null) ? "" : s1.toLowerCase(); //$NON-NLS-1$
s2 = (s2 == null) ? "" : s2.toLowerCase(); //$NON-NLS-1$
return s1.compareTo(s2);
}
}
}