| /******************************************************************************* |
| * Copyright (c) 2001, 2005 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.jem.internal.beaninfo.ui; |
| /* |
| * $RCSfile: SPListElementSorter.java,v $ |
| * $Revision: 1.6 $ $Date: 2005/08/24 21:07:12 $ |
| */ |
| |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerSorter; |
| |
| import org.eclipse.jem.internal.beaninfo.core.SearchpathEntry; |
| |
| /** |
| * Sorter for sorting BPSearchListElements within the main list. |
| * It is not to be used on elements within a specific beaninfo entry. |
| * |
| * @version 1.0 |
| * @author |
| */ |
| public class SPListElementSorter extends ViewerSorter { |
| |
| /* |
| * @see ViewerSorter#category(Object) |
| */ |
| public int category(Object obj) { |
| if (obj instanceof BPSearchListElement) { |
| BPSearchListElement element = (BPSearchListElement) obj; |
| |
| switch (((SearchpathEntry) element.getEntry()).getKind()) { |
| case IClasspathEntry.CPE_LIBRARY: |
| return 4; |
| case IClasspathEntry.CPE_PROJECT: |
| return 1; |
| case IClasspathEntry.CPE_SOURCE: |
| return 0; |
| case IClasspathEntry.CPE_VARIABLE: |
| return 3; |
| case IClasspathEntry.CPE_CONTAINER: |
| return 2; |
| } |
| } |
| return super.category(obj); |
| } |
| |
| /* |
| * @see ViewerSorter#compare() |
| */ |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| int cat1 = category(e1); |
| int cat2 = category(e2); |
| |
| if (cat1 != cat2) |
| return cat1 - cat2; |
| |
| if ((e1 instanceof BPSearchListElement) && (e2 instanceof BPSearchListElement)) { |
| SearchpathEntry p1 = (SearchpathEntry) ((BPSearchListElement) e1).getEntry(); |
| SearchpathEntry p2 = (SearchpathEntry) ((BPSearchListElement) e2).getEntry(); |
| |
| // Compare first within path, then packages within each path. |
| int c = p1.getPath().toString().compareTo(p2.getPath().toString()); |
| if (c == 0) { |
| // Within same path, so now sort by package, if there are any. |
| String pkg1 = p1.getPackage(); |
| String pkg2 = p2.getPackage(); |
| if (pkg1 == null) |
| pkg1 = ""; // For null, use an empty string //$NON-NLS-1$ |
| if (pkg2 == null) |
| pkg2 = ""; //$NON-NLS-1$ |
| return pkg1.compareTo(pkg2); |
| } else |
| return c; // Paths are not equal, so sort via path. |
| } |
| return super.compare(viewer, e1, e2); |
| } |
| |
| |
| |
| } |