001 /*
002 * Copyright 2008-2014 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package griffon.lanterna.support;
017
018 import com.googlecode.lanterna.gui.Action;
019 import org.codehaus.griffon.runtime.core.AbstractObservable;
020
021 /**
022 * @author Andres Almiray
023 * @since 2.0.0
024 */
025 public class LanternaAction extends AbstractObservable implements Action {
026 public static final String NAME = "name";
027
028 private Runnable runnable;
029 private Action delegate;
030 private String name;
031
032 public enum ResolveStrategy {
033 DELEGATE_FIRST,
034 RUNNABLE_FIRST,
035 DELEGATE_ONLY,
036 RUNNABLE_ONLY
037 }
038
039 private ResolveStrategy resolveStrategy = ResolveStrategy.DELEGATE_FIRST;
040
041 public ResolveStrategy getResolveStrategy() {
042 return resolveStrategy;
043 }
044
045 public void setResolveStrategy(ResolveStrategy resolveStrategy) {
046 this.resolveStrategy = resolveStrategy != null ? resolveStrategy : ResolveStrategy.DELEGATE_FIRST;
047 }
048
049 public LanternaAction() {
050 }
051
052 public LanternaAction(String name) {
053 this.name = name;
054 }
055
056 public LanternaAction(Runnable runnable) {
057 this.runnable = runnable;
058 }
059
060 public LanternaAction(Action delegate) {
061 this.delegate = delegate;
062 }
063
064 public Action getDelegate() {
065 return delegate;
066 }
067
068 public void setDelegate(Action delegate) {
069 this.delegate = delegate;
070 }
071
072 public Runnable getRunnable() {
073 return runnable;
074 }
075
076 public void setRunnable(Runnable runnable) {
077 this.runnable = runnable;
078 }
079
080 public String getName() {
081 return name;
082 }
083
084 public void setName(String name) {
085 pcs.firePropertyChange(NAME, this.name, this.name = name);
086 }
087
088 public String toString() {
089 return name;
090 }
091
092 public void doAction() {
093 switch (resolveStrategy) {
094 case DELEGATE_ONLY:
095 if (delegate != null) {
096 delegate.doAction();
097 }
098 break;
099 case DELEGATE_FIRST:
100 if (delegate != null) {
101 delegate.doAction();
102 } else if (runnable != null) {
103 runnable.run();
104 }
105 break;
106 case RUNNABLE_FIRST:
107 if (runnable != null) {
108 runnable.run();
109 } else if (delegate != null) {
110 delegate.doAction();
111 }
112 break;
113 case RUNNABLE_ONLY:
114 if (runnable != null) {
115 runnable.run();
116 }
117 break;
118 }
119 }
120 }
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