| /******************************************************************************* |
| * Copyright (c) 2003, 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 |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.keys; |
| |
| import java.util.Comparator; |
| |
| import org.eclipse.ui.keys.ModifierKey; |
| |
| abstract class AbstractModifierKeyComparator implements Comparator { |
| |
| public int compare(Object left, Object right) { |
| ModifierKey modifierKeyLeft = (ModifierKey) left; |
| ModifierKey modifierKeyRight = (ModifierKey) right; |
| int modifierKeyLeftRank = rank(modifierKeyLeft); |
| int modifierKeyRightRank = rank(modifierKeyRight); |
| |
| if (modifierKeyLeftRank != modifierKeyRightRank) { |
| return modifierKeyLeftRank - modifierKeyRightRank; |
| } else { |
| return modifierKeyLeft.compareTo(modifierKeyRight); |
| } |
| } |
| |
| protected abstract int rank(ModifierKey modifierKey); |
| } |
