/*
* Copyright (c) 2009-2012 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.app;
import com.jme3.system.AppSettings;
import com.jme3.system.JmeCanvasContext;
import com.jme3.system.JmeSystem;
import java.applet.Applet;
import java.awt.Canvas;
import java.awt.Graphics;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;
/**
* @author Kirill Vainer
*/
public class AppletHarness extends Applet {
public static final HashMap<Application, Applet> appToApplet
= new HashMap<Application, Applet>();
protected JmeCanvasContext context;
protected Canvas canvas;
protected Application app;
protected String appClass;
protected URL appCfg = null;
protected URL assetCfg = null;
public static Applet getApplet(Application app){
return appToApplet.get(app);
}
private void createCanvas(){
AppSettings settings = new AppSettings(true);
// load app cfg
if (appCfg != null){
InputStream in = null;
try {
in = appCfg.openStream();
settings.load(in);
in.close();
} catch (IOException ex){
// Called before application has been created ....
// Display error message through AWT
JOptionPane.showMessageDialog(this, "An error has occured while "
+ "loading applet configuration"
+ ex.getMessage(),
"jME3 Applet",
JOptionPane.ERROR_MESSAGE);
ex.printStackTrace();
} finally {
if (in != null)
try {
in.close();
} catch (IOException ex) {
}
}
}
if (assetCfg != null){
settings.putString("AssetConfigURL", assetCfg.toString());
}
settings.setWidth(getWidth());
settings.setHeight(getHeight());
JmeSystem.setLowPermissions(true);
try{
Class<? extends Application> clazz = (Class<? extends Application>) Class.forName(appClass);
app = clazz.newInstance();
}catch (ClassNotFoundException ex){
ex.printStackTrace();
}catch (InstantiationException ex){
ex.printStackTrace();
}catch (IllegalAccessException ex){
ex.printStackTrace();
}
appToApplet.put(app, this);
app.setSettings(settings);
app.createCanvas();
context = (JmeCanvasContext) app.getContext();
canvas = context.getCanvas();
canvas.setSize(getWidth(), getHeight());
add(canvas);
app.startCanvas();
}
@Override
public final void update(Graphics g) {
canvas.setSize(getWidth(), getHeight());
}
@Override
public void init(){
appClass = getParameter("AppClass");
if (appClass == null)
throw new RuntimeException("The required parameter AppClass isn't specified!");
try {
appCfg = new URL(getParameter("AppSettingsURL"));
} catch (MalformedURLException ex) {
System.out.println(ex.getMessage());
appCfg = null;
}
try {
assetCfg = new URL(getParameter("AssetConfigURL"));
} catch (MalformedURLException ex){
System.out.println(ex.getMessage());
assetCfg = getClass().getResource("/com/jme3/asset/Desktop.cfg");
}
createCanvas();
System.out.println("applet:init");
}
@Override
public void start(){
context.setAutoFlushFrames(true);
System.out.println("applet:start");
}
@Override
public void stop(){
context.setAutoFlushFrames(false);
System.out.println("applet:stop");
}
@Override
public void destroy(){
System.out.println("applet:destroyStart");
SwingUtilities.invokeLater(new Runnable(){
public void run(){
removeAll();
System.out.println("applet:destroyRemoved");
}
});
app.stop(true);
System.out.println("applet:destroyDone");
appToApplet.remove(app);
}
}