ConfigurableSwingWindowDisplayHandler.java
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 org.codehaus.griffon.runtime.swing;
017 
018 import griffon.core.CallableWithArgs;
019 import griffon.core.GriffonApplication;
020 import griffon.core.view.WindowDisplayHandler;
021 import griffon.exceptions.InstanceNotFoundException;
022 import griffon.swing.SwingWindowDisplayHandler;
023 import org.codehaus.griffon.runtime.core.view.ConfigurableWindowDisplayHandler;
024 import org.slf4j.Logger;
025 import org.slf4j.LoggerFactory;
026 
027 import javax.annotation.Nonnull;
028 import javax.inject.Inject;
029 import javax.inject.Named;
030 import javax.swing.JInternalFrame;
031 import java.awt.Window;
032 import java.util.Map;
033 
034 import static griffon.util.AnnotationUtils.named;
035 import static griffon.util.GriffonNameUtils.requireNonBlank;
036 import static java.util.Objects.requireNonNull;
037 
038 /**
039  @author Andres Almiray
040  @since 2.0.0
041  */
042 public class ConfigurableSwingWindowDisplayHandler extends ConfigurableWindowDisplayHandler<Window> implements SwingWindowDisplayHandler {
043     private static final Logger LOG = LoggerFactory.getLogger(ConfigurableSwingWindowDisplayHandler.class);
044 
045     @Inject
046     public ConfigurableSwingWindowDisplayHandler(@Nonnull GriffonApplication application, @Nonnull @Named("defaultWindowDisplayHandler"SwingWindowDisplayHandler delegateWindowsDisplayHandler) {
047         super(application, delegateWindowsDisplayHandler);
048     }
049 
050     public void show(@Nonnull String name, @Nonnull JInternalFrame window) {
051         requireNonBlank(name, ERROR_NAME_BLANK);
052         requireNonNull(window, ERROR_WINDOW_NULL);
053 
054         Map<String, Object> options = windowBlock(name);
055         if (!options.isEmpty()) {
056             Object handler = options.get("show");
057             if (canBeRun(handler)) {
058                 LOG.trace("Showing {} with show: handler", name);
059                 run(handler, name, window);
060                 return;
061             else if (options.get("handler"instanceof SwingWindowDisplayHandler) {
062                 LOG.trace("Showing {} with handler: handler", name);
063                 ((SwingWindowDisplayHandleroptions.get("handler")).show(name, window);
064                 return;
065             }
066         }
067 
068         SwingWindowDisplayHandler handler = resolveSwingWindowDisplayHandler(name);
069         if (handler != null) {
070             LOG.trace("Showing {} with injected handler", name);
071             handler.show(name, window);
072             return;
073         }
074 
075         options = windowManagerBlock();
076         if (!options.isEmpty()) {
077             Object defaultShow = options.get("defaultShow");
078             if (canBeRun(defaultShow)) {
079                 LOG.trace("Showing {} with defaultShow: handler", name);
080                 run(defaultShow, name, window);
081                 return;
082             }
083         }
084 
085         LOG.trace("Showing {} with default handler", name);
086         fetchDefaultWindowDisplayHandler().show(name, window);
087     }
088 
089     public void hide(@Nonnull String name, @Nonnull JInternalFrame window) {
090         requireNonBlank(name, ERROR_NAME_BLANK);
091         requireNonNull(window, ERROR_WINDOW_NULL);
092 
093         Map<String, Object> options = windowBlock(name);
094         if (!options.isEmpty()) {
095             Object handler = options.get("hide");
096             if (canBeRun(handler)) {
097                 LOG.trace("Hiding {} with hide: handler", name);
098                 run(handler, name, window);
099                 return;
100             else if (options.get("handler"instanceof SwingWindowDisplayHandler) {
101                 LOG.trace("Hiding {} with handler: handler", name);
102                 ((SwingWindowDisplayHandleroptions.get("handler")).hide(name, window);
103                 return;
104             }
105         }
106 
107         SwingWindowDisplayHandler handler = resolveSwingWindowDisplayHandler(name);
108         if (handler != null) {
109             LOG.trace("Hiding {} with injected handler", name);
110             handler.hide(name, window);
111             return;
112         }
113 
114         options = windowManagerBlock();
115         if (!options.isEmpty()) {
116             Object defaultHide = options.get("defaultHide");
117             if (canBeRun(defaultHide)) {
118                 LOG.trace("Hiding {} with defaultHide: handler", name);
119                 run(defaultHide, name, window);
120                 return;
121             }
122         }
123 
124         LOG.trace("Hiding {} with default handler", name);
125         fetchDefaultWindowDisplayHandler().hide(name, window);
126     }
127 
128     protected void run(@Nonnull Object handler, @Nonnull String name, @Nonnull JInternalFrame window) {
129         if (handler instanceof CallableWithArgs) {
130             ((CallableWithArgs<?>handler).call(name, window);
131         }
132     }
133 
134     @Nonnull
135     protected SwingWindowDisplayHandler fetchDefaultWindowDisplayHandler() {
136         Object handler = windowManagerBlock().get("defaultHandler");
137         return (SwingWindowDisplayHandler) (handler instanceof SwingWindowDisplayHandler ? handler : getDelegateWindowsDisplayHandler());
138     }
139 
140     @Override
141     protected boolean handleShowByInjectedHandler(@Nonnull String name, @Nonnull Window window) {
142         try {
143             SwingWindowDisplayHandler handler = getApplication().getInjector()
144                 .getInstance(SwingWindowDisplayHandler.class, named(name));
145             LOG.trace("Showing {} with injected handler", name);
146             handler.show(name, window);
147             return true;
148         catch (InstanceNotFoundException infe) {
149             return super.handleShowByInjectedHandler(name, window);
150         }
151     }
152 
153     @Override
154     protected boolean handleHideByInjectedHandler(@Nonnull String name, @Nonnull Window window) {
155         try {
156             SwingWindowDisplayHandler handler = getApplication().getInjector()
157                 .getInstance(SwingWindowDisplayHandler.class, named(name));
158             LOG.trace("Hiding {} with injected handler", name);
159             handler.hide(name, window);
160             return true;
161         catch (InstanceNotFoundException infe) {
162             return super.handleHideByInjectedHandler(name, window);
163         }
164     }
165 
166     protected SwingWindowDisplayHandler resolveSwingWindowDisplayHandler(@Nonnull String name) {
167         try {
168             return getApplication().getInjector()
169                 .getInstance(SwingWindowDisplayHandler.class, named(name));
170         catch (InstanceNotFoundException infe1) {
171             try {
172                 WindowDisplayHandler handler = getApplication().getInjector()
173                     .getInstance(WindowDisplayHandler.class, named(name));
174                 if (handler instanceof SwingWindowDisplayHandler) {
175                     return ((SwingWindowDisplayHandlerhandler);
176                 }
177             catch (InstanceNotFoundException infe2) {
178                 // ignore
179             }
180         }
181 
182         return null;
183     }
184 }