desktopapplicationenvironment.java

Java 3D Desktop Environment旨在使用Java 3D来创建一个3D桌面环境。功能包括：分布式的应用程序

package org.j3de.environment.desktop;        

import org.j3de.ui.impl.UniverseManager;
 
import java.rmi.Remote;
import java.rmi.RemoteException;

import org.j3de.events.DistributedEventService;
import org.j3de.exception.ExceptionHandler; 
import org.j3de.interfaces.ApplicationEnvironment;
import org.j3de.interfaces.Environment;
import org.j3de.interfaces.EnvironmentManager;
import org.j3de.ui.UIElement;
import org.j3de.ui.UIFactory;
import org.j3de.ui.UIContainer;
import org.j3de.ui.UICreationException;
import org.j3de.util.InitializationException;

public class DesktopApplicationEnvironment implements ApplicationEnvironment {
  private UIFactory          uiFactory;          
  private UIContainer        appContainer;               
  private UIElement          rootElement;
  private EnvironmentManager environmentManager;
  private Environment        environment;  
                                      
  public DesktopApplicationEnvironment(UIFactory uiFactory, 
                                       UIContainer container,
                                       Environment environment,
                                       EnvironmentManager environmentManager) 
                                throws UICreationException,        
                                       RemoteException {
    setUIFactory(uiFactory);             
    this.appContainer = container;
    this.environment  = environment;
    this.environmentManager = environmentManager;
  }     
  
  public UIFactory getUIFactory() {
    return uiFactory;
  } 

  public void setUIFactory(UIFactory uiFactory) {
    this.uiFactory = uiFactory;
  } 
                       
  public void setRootUIElement(UIElement rootElement) throws RemoteException {  
    try {   
      if (this.rootElement != null) {
        appContainer.remove(this.rootElement);
      }

      this.rootElement = rootElement;  
      if (rootElement != null)
        appContainer.add(rootElement);   
    } catch (Exception e) {
      ExceptionHandler.handleException(e);
    }
  }
  
  public DistributedEventService getDistributedEventService() {
    return null;
  }
  
  public void startEnvironment(Environment environment) throws RemoteException, InitializationException {
    environmentManager.startEnvironment(environment);
  }

  public void startModalEnvironment(Environment environment) throws RemoteException, InitializationException {
    environmentManager.startModalEnvironment(environment);
  }

  public void exitEnvironment() throws RemoteException {
    environmentManager.exitEnvironment(environment);
  }    
}