/*
* $Id: ZmppApplet.java 535 2008-02-19 06:02:50Z weiju $
*
* Created on 2005/11/15
* Copyright 2005-2008 by Wei-ju Wu
* This file is part of The Z-machine Preservation Project (ZMPP).
*
* ZMPP is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ZMPP is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ZMPP. If not, see <http://www.gnu.org/licenses/>.
*/
package org.zmpp.swingui;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import javax.swing.JApplet;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import org.zmpp.io.IOSystem;
import org.zmpp.io.InputStream;
import org.zmpp.vm.Machine;
import org.zmpp.vm.ScreenModel;
import org.zmpp.vm.StatusLine;
/**
* This is the applet class for ZMPP.
*
* @author Wei-ju Wu
* @version 1.0
*/
public class ZmppApplet extends JApplet
implements InputStream, StatusLine, IOSystem {
/**
* The serial version.
*/
private static final long serialVersionUID = 1L;
/**
* The color map maps parameters to color ids.
*/
private static final Map<String, Integer> colormap
= new HashMap<String, Integer>();
static {
colormap.put("black", 2);
colormap.put("red", 3);
colormap.put("green", 4);
colormap.put("yellow", 5);
colormap.put("blue", 6);
colormap.put("magenta", 7);
colormap.put("cyan", 8);
colormap.put("white", 9);
colormap.put("gray", 10);
}
private JLabel global1ObjectLabel;
private JLabel statusLabel;
private ScreenModel screen;
private Machine machine;
private LineEditorImpl lineEditor;
private GameThread currentGame;
private DisplaySettings settings;
private boolean savetofile;
public void init() {
requestFocusInWindow();
String story = getParameter("storyfile");
String blorb = getParameter("blorbfile");
String saveto = getParameter("saveto");
String fixedfontsize = getParameter("fixedfontsize");
String stdfontsize = getParameter("stdfontsize");
String defbg = getParameter("defaultbg");
String deffg = getParameter("defaultfg");
String antialiasparam = getParameter("antialias");
int sizeStdFont = 12;
int sizeFixedFont = 12;
int defaultBackground = ColorTranslator.UNDEFINED;
int defaultForeground = ColorTranslator.UNDEFINED;
boolean antialias = true;
savetofile = "file".equalsIgnoreCase(saveto);
sizeFixedFont = parseInt(fixedfontsize, sizeFixedFont);
sizeStdFont = parseInt(stdfontsize, sizeStdFont);
defaultBackground = parseColor(defbg, defaultBackground);
defaultForeground = parseColor(deffg, defaultForeground);
antialias = parseBoolean(antialiasparam, antialias);
settings = new DisplaySettings(sizeStdFont, sizeFixedFont,
defaultBackground, defaultForeground, antialias);
try {
URL blorburl = null;
if (blorb != null) {
blorburl = new URL(getDocumentBase(), blorb);
}
AppletMachineFactory factory = null;
if (story != null) {
URL storyurl = new URL(getDocumentBase(), story);
factory = new AppletMachineFactory(this, storyurl, blorburl,
savetofile);
} else {
factory = new AppletMachineFactory(this, blorburl, savetofile);
}
machine = factory.buildMachine();
} catch (Exception ex) {
ex.printStackTrace();
}
}
/**
* Parses the specified string into an integer and returns it, if str is
* null or not an integer, the fallback value is returned.
*
* @param str the string to parse
* @param fallback the fallback value
* @return the integer result
*/
private int parseInt(String str, int fallback) {
int result = fallback;
if (str != null) {
try {
result = Integer.parseInt(str);
} catch (NumberFormatException ignore) {
}
}
return result;
}
/**
* Retrieves the color id for the specified string.
*
* @param str the color string
* @param fallback the fallback value
* @return the color id
*/
private int parseColor(String str, int fallback) {
return colormap.get(str) == null ? fallback : colormap.get(str);
}
/**
* Retrievs the boolean value for the specified string. Values can be
* true|false or on|off.
*
* @param str the string
* @param fallback the fallback value
* @return the boolean value
*/
private boolean parseBoolean(String str, boolean fallback) {
if ("false".equals(str) || "off".equals(str)) {
return false;
}
if ("true".equals(str) || "on".equals(str)) {
return true;
}
return fallback;
}
private void createUI(Machine machine) {
lineEditor = new LineEditorImpl(machine.getGameData().getStoryFileHeader(),
machine.getGameData().getZsciiEncoding());
JComponent view = null;
if (machine.getGameData().getStoryFileHeader().getVersion() == 6) {
view = new Viewport6(machine, lineEditor, settings);
screen = (ScreenModel) view;
} else {
view = new TextViewport(machine, lineEditor, settings);
screen = (ScreenModel) view;
}
view.setPreferredSize(new Dimension(640, 480));
view.setMinimumSize(new Dimension(400, 300));
if (machine.getGameData().getStoryFileHeader().getVersion() <= 3) {
JPanel statusPanel = new JPanel(new GridLayout(1, 2));
JPanel status1Panel = new JPanel(new FlowLayout(FlowLayout.LEFT));
JPanel status2Panel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
statusPanel.add(status1Panel);
statusPanel.add(status2Panel);
global1ObjectLabel = new JLabel(" ");
statusLabel = new JLabel(" ");
status1Panel.add(global1ObjectLabel);
status2Panel.add(statusLabel);
getContentPane().add(statusPanel, BorderLayout.NORTH);
getContentPane().add(view, BorderLayout.CENTER);
} else {
setContentPane(view);
}
addKeyListener(lineEditor);
view.addKeyListener(lineEditor);
view.addMouseListener(lineEditor);
}
public void initUI(final Machine machine) {
try {
EventQueue.invokeAndWait(new Runnable() {
public void run() {
createUI(machine);
}
});
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void start() {
currentGame = new GameThread(machine, screen);
currentGame.start();
}
public ScreenModel getScreenModel() {
return screen;
}
// *************************************************************************
// ******** StatusLine interface
// ******************************************
public void updateStatusScore(final String objectName, final int score,
final int steps) {
EventQueue.invokeLater(new Runnable() {
public void run() {
global1ObjectLabel.setText(objectName);
statusLabel.setText(score + "/" + steps);
}
});
}
public void updateStatusTime(final String objectName, final int hours,
final int minutes) {
EventQueue.invokeLater(new Runnable() {
public void run() {
global1ObjectLabel.setText(objectName);
statusLabel.setText(String.format("%02d:%02d", hours, minutes));
}
});
}
public Writer getTranscriptWriter() {
return new OutputStreamWriter(System.out);
}
public Reader getInputStreamReader() {
File currentdir = new File(System.getProperty("user.dir"));
JFileChooser fileChooser = new JFileChooser(currentdir);
fileChooser.setDialogTitle("Set input stream file ...");
if (fileChooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
try {
return new FileReader(fileChooser.getSelectedFile());
} catch (IOException ex) {
ex.printStackTrace();
}
}
return null;
}
// *************************************************************************
// ******** InputStream interface
// ******************************************
public void close() {
}
public void cancelInput() {
lineEditor.cancelInput();
}
public char getZsciiChar(boolean flushBeforeGet) {
enterEditMode(flushBeforeGet);
char zsciiChar = lineEditor.nextZsciiChar();
leaveEditMode(flushBeforeGet);
return zsciiChar;
}
private void enterEditMode(boolean flushbuffer) {
if (!lineEditor.isInputMode()) {
screen.resetPagers();
lineEditor.setInputMode(true, flushbuffer);
}
}
private void leaveEditMode(boolean flushbuffer) {
lineEditor.setInputMode(false, flushbuffer);
}
}