| /******************************************************************************* |
| * Copyright (c) 2008, 2016 xored software, Inc. |
| * |
| * 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: |
| * xored software, Inc. - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.ruby.internal.core.codeassist; |
| |
| import java.util.Comparator; |
| |
| import org.eclipse.dltk.core.ISourceModule; |
| import org.eclipse.dltk.core.IType; |
| |
| /** |
| * This {@link Comparator} is used to sort type proposals in the following |
| * order: |
| * <ol> |
| * <li>the specified module types should go first |
| * <li>other project types should go next |
| * <li>all other types should go last |
| * </ol> |
| */ |
| public class ProjectTypeComparator implements Comparator<IType> { |
| |
| private final ISourceModule module; |
| |
| /** |
| * @param module |
| */ |
| public ProjectTypeComparator(ISourceModule module) { |
| this.module = module; |
| } |
| |
| @Override |
| public int compare(IType type1, IType type2) { |
| if (type1.getParent() instanceof ISourceModule |
| && type2.getParent() instanceof ISourceModule) { |
| final ISourceModule module1 = (ISourceModule) type1.getParent(); |
| final ISourceModule module2 = (ISourceModule) type2.getParent(); |
| if (module1.isReadOnly() != module2.isReadOnly()) { |
| return module1.isReadOnly() ? +1 : -1; |
| } |
| final boolean same1 = module.equals(module1); |
| if (same1 != module.equals(module2)) { |
| return same1 ? -1 : +1; |
| } |
| } |
| return type1.getElementName().compareTo(type2.getElementName()); |
| } |
| } |