/*******************************************************************************
* Copyright (c) 2001, 2006 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.contentassist;
import java.util.Comparator;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.wst.sse.ui.internal.contentassist.IRelevanceCompletionProposal;
public class ProposalComparator implements Comparator {
public int compare(Object o1, Object o2) {
int relevance = 0;
if ((o1 instanceof IRelevanceCompletionProposal) && (o2 instanceof IRelevanceCompletionProposal)) {
// sort based on relevance
IRelevanceCompletionProposal cp1 = (IRelevanceCompletionProposal) o1;
IRelevanceCompletionProposal cp2 = (IRelevanceCompletionProposal) o2;
relevance = cp2.getRelevance() - cp1.getRelevance();
// if same relevance, secondary sort (lexigraphically)
if ((relevance == 0) && (o1 instanceof ICompletionProposal) && (o2 instanceof ICompletionProposal)) {
String displayString1 = ((ICompletionProposal) o1).getDisplayString();
String displayString2 = ((ICompletionProposal) o2).getDisplayString();
if ((displayString1 != null) && (displayString2 != null)) {
// relevance = displayString1.compareTo(displayString2);
// // this didn't mix caps w/ lowercase
relevance = com.ibm.icu.text.Collator.getInstance().compare(displayString1, displayString2);
}
}
}
// otherwise if it's not ISEDRelevanceCompletionProposal, don't sort
return relevance;
}
}