001 /* 002 * Created on Mar 26, 2008 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 005 * in compliance with the License. You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software distributed under the License 010 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 011 * or implied. See the License for the specific language governing permissions and limitations under 012 * the License. 013 * 014 * Copyright @2008-2010 the original author or authors. 015 */ 016 package org.fest.swing.keystroke; 017 018 import static org.fest.swing.keystroke.KeyStrokeMappings.defaultMappings; 019 020 import java.util.*; 021 022 import javax.swing.KeyStroke; 023 024 /** 025 * Understands a default mapping of characters and <code>{@link KeyStroke}</code>s. 026 * 027 * @author Alex Ruiz 028 */ 029 public class DefaultKeyStrokeMappingProvider implements KeyStrokeMappingProvider { 030 031 /** 032 * Returns the default mapping of characters and <code>{@link KeyStroke}</code>s. This provider will only return 033 * the mappings for following keys: 034 * <ul> 035 * <li>Backspace</li> 036 * <li>Delete</li> 037 * <li>Enter</li> 038 * <li>Escape</li> 039 * <li>Tab</li> 040 * </ul> 041 * @return the default mapping of characters and <code>KeyStroke</code>s 042 */ 043 public Collection<KeyStrokeMapping> keyStrokeMappings() { 044 return LazyLoadingSingleton.instance; 045 } 046 047 private static class LazyLoadingSingleton { 048 static List<KeyStrokeMapping> instance = new ArrayList<KeyStrokeMapping>(defaultMappings()); 049 } 050 }