| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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 |
| *******************************************************************************/ |
| package org.eclipse.help.ui.internal.views; |
| |
| import org.eclipse.help.IHelpResource; |
| import org.eclipse.help.search.ISearchEngineResult; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| |
| public class FederatedSearchSorter extends ViewerComparator { |
| public FederatedSearchSorter() { |
| super(ReusableHelpPart.SHARED_COLLATOR); |
| } |
| |
| @Override |
| public int category(Object element) { |
| if (element instanceof ISearchEngineResult) { |
| ISearchEngineResult r = (ISearchEngineResult)element; |
| IHelpResource c = r.getCategory(); |
| if (c!=null) { |
| String label = c.getLabel(); |
| if (label.length()==0) |
| return 10; |
| return 5; |
| } |
| } |
| return super.category(element); |
| } |
| |
| |
| @Override |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| int cat1 = category(e1); |
| int cat2 = category(e2); |
| |
| if (cat1 != cat2) |
| return cat1 - cat2; |
| try { |
| ISearchEngineResult r1 = (ISearchEngineResult) e1; |
| ISearchEngineResult r2 = (ISearchEngineResult) e2; |
| IHelpResource c1 = r1.getCategory(); |
| IHelpResource c2 = r2.getCategory(); |
| if (c1!=null && c2!=null) { |
| int cat = super.compare(viewer, c1.getLabel(), c2.getLabel()); |
| if (cat!=0) return cat; |
| } |
| float rank1 = ((ISearchEngineResult) e1).getScore(); |
| float rank2 = ((ISearchEngineResult) e2).getScore(); |
| if (rank1 - rank2 > 0) { |
| return -1; |
| } else if (rank1 == rank2) { |
| return 0; |
| } else { |
| return 1; |
| } |
| } catch (Exception e) { |
| } |
| return super.compare(viewer, e1, e2); |
| } |
| } |