364 lines
12 KiB
Java
364 lines
12 KiB
Java
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/*
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File: StartBox.java
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University of Applied Science Berne,HTA-Biel/Bienne,
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Computer Science Department.
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Diploma thesis J3D Solar System Simulator
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Originally written by Marcel Portner & Bernhard Hari (c) 2000
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CVS - Information :
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$Header: /var/cvsreps/projects/c450/2000/sss3d/source_diploma/sss3d/gui/startbox/StartBox.java,v 1.11 2000/12/13 13:41:13 portm Exp $
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$Author: portm $
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$Date: 2000/12/13 13:41:13 $
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$State: Exp $
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*/
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package sss3d.gui.startbox;
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import sss3d.utils.xmlparser.*;
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import sss3d.contentbranch.*;
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import sss3d.gui.*;
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import sss3d.SolarSystemSimulator;
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import sss3d.utils.SSS3dConstants;
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import org.w3c.dom.*;
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import java.io.*;
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import java.awt.*;
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//import javax.vecmath.*;
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import java.awt.event.*;
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//import java.applet.*;
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import javax.swing.*;
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import javax.swing.event.*;
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import java.io.IOException;
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/**
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* Startbox creates a JFrame containing all setup information for the simulator.
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* Also, it allows to control the simulator by changing values.
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*
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* @author Marcel Portner & Bernhard Hari
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* @version $Revision: 1.11 $
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*/
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public class StartBox extends JFrame implements Runnable, ActionListener {
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private Thread thread; // startbox runs in a own thread
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//GUI
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private JTextField pathField;
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private JPanel fileChooser;
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private JPanel panel;
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private JMenuBar menubar = null;
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private InitializationPanel iniView = null;
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private InitializationObject iniObject = null;
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private JButton start;
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private JButton open;
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private JRadioButton def;
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private JRadioButton brw;
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private ButtonGroup group;
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private String path = "";
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private SolarSystemSimulator sss; // link to control simulation
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private Dimension screenSize;
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private int widthFC = 420; // width File Chooser
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private int heightFC = 170; // height File Chooser
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private int widthIV = 800; // width Initialization View
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private int heightIV = 540; // height Initialization View
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/**
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* Creates a startbox. Called once at startup of solar system simulator.
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*
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* @param sss a reference to an instance of the solar system simulator
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*/
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public StartBox( SolarSystemSimulator sss ) {
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this.sss = sss;
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thread = new Thread(this, "StartBox");
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thread.start();
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}
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/**
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* Run method creates JFrame.
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*/
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public void run() {
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this.setTitle("StartBox - J3D Solar System Simulator Version 1.0");
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this.setSize(widthFC,heightFC);
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this.addWindowListener(new WindowCmd());
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screenSize = Toolkit.getDefaultToolkit().getScreenSize();
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this.setLocation( (int)( screenSize.getWidth() / 2) - (widthFC / 2),
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(int)( screenSize.getHeight()/ 2) - (heightFC/ 2));
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panel = new JPanel(new BorderLayout());
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createMenuBar();
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panel.add(menubar, BorderLayout.NORTH);
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fileChooser = createFileChooserPanel();
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panel.add(fileChooser, BorderLayout.CENTER);
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this.getContentPane().add(panel);
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// set default value for path to
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// $current_dir$/default.xml
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String userDir = null;
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try {
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userDir = System.getProperty("user.dir");
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userDir += System.getProperty("file.separator");
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userDir += "default.xml";
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path = userDir;
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} catch(Exception e) {
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// use default directory if
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// an exception has been raised
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}
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this.setVisible(true);
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open.requestFocus();
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open.setFocusPainted(true);
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}
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/**
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* Creates the menubar for the infobox.
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*/
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private void createMenuBar() {
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if(menubar != null) menubar = null;
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// MenuBar
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menubar = new JMenuBar();
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JMenuItem mi;
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// File Menu
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JMenu file = (JMenu) menubar.add(new JMenu("File"));
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file.setMnemonic('F');
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mi = (JMenuItem) file.add(new JMenuItem("Exit"));
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mi.setMnemonic('x');
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mi.setActionCommand("exit");
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mi.addActionListener(this);
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}
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/**
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* Creates the file chooser panel.
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*
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* @return JPanel a new panel to select an initialization file
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*/
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private JPanel createFileChooserPanel() {
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if (iniView != null) {
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this.setSize( new Dimension(widthFC,heightFC) );
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this.setLocation( (int)( screenSize.getWidth() / 2) - (widthFC / 2),
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(int)( screenSize.getHeight()/ 2) - (heightFC/ 2));
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}
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def = new JRadioButton("",true);
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brw = new JRadioButton("",false);
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JLabel defLabel = new JLabel("default.xml - in current directory");
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pathField = new JTextField(path,255);
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open = new JButton("Open");
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JButton browse = new JButton("Browse...");
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pathField.setEditable(false);
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// Group the radio buttons.
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group = new ButtonGroup();
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group.add(def);
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group.add(brw);
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def.setActionCommand("rbDefault");
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brw.setActionCommand("rbBrowse");
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def.addActionListener(this);
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brw.addActionListener(this);
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// add actionlisteners
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open.setActionCommand("open");
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browse.setActionCommand("browse");
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open.addActionListener(this);
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browse.addActionListener(this);
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JPanel controls = new JPanel();
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JPanel defaultPanel = new JPanel();
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JPanel browsePanel = new JPanel();
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JPanel openPanel = new JPanel();
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controls.setLayout(new BoxLayout(controls,BoxLayout.Y_AXIS));
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defaultPanel.setLayout(new BoxLayout(defaultPanel,BoxLayout.X_AXIS));
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browsePanel.setLayout(new BoxLayout(browsePanel,BoxLayout.X_AXIS));
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openPanel.setLayout(new BoxLayout(openPanel,BoxLayout.X_AXIS));
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defaultPanel.add(def);
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defaultPanel.add(defLabel);
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browsePanel.add(brw);
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browsePanel.add(pathField);
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browsePanel.add(browse);
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openPanel.add(open);
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defaultPanel.setAlignmentX(0.0f);
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browsePanel.setAlignmentX(0.0f);
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openPanel.setAlignmentX(0.0f);
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defaultPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
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browsePanel.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));
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openPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
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controls.add(defaultPanel);
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controls.add(browsePanel);
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controls.add(openPanel);
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controls.setBorder(BorderFactory.createTitledBorder(
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"Choose initialization file"));
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return controls;
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}
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/**
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* Shows a FileChooser Dialog to select
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* an initialization file.
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*/
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private void openFileChooser() {
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String userDir = null;
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try {
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userDir = System.getProperty("user.dir");
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} catch(Exception e) {
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// use default directory if
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// an exception has been raised
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}
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JFileChooser fc = new JFileChooser(userDir);
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fc.addChoosableFileFilter(new XMLFilter());
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int returnVal = fc.showOpenDialog(this);
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if(returnVal == JFileChooser.APPROVE_OPTION) {
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pathField.setText( fc.getSelectedFile().getAbsolutePath() );
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}
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}
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/**
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* Shows the initialization panel
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*/
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private void createInitializationView() {
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boolean checked = false;
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// check if we can open the selected file
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checked = openXMLFile();
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// create view
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if (checked) {
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// set initialization object - observer pattern
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sss.setInitializationObject(iniObject);
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// clean old view
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this.remove(panel);
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fileChooser.setVisible(false);
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fileChooser = null;
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menubar.setVisible(false);
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menubar = null;
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panel.setVisible(false);
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panel = null;
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// resize startbox
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this.setSize( new Dimension(widthIV,heightIV) );
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this.setLocation( (int)( screenSize.getWidth() / 2) - (widthIV / 2),
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(int)( screenSize.getHeight()/ 2) - (heightIV/ 2));
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// construct initialization view
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panel = new JPanel(new BorderLayout());
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createMenuBar();
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start = new JButton("Start");
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start.setActionCommand("start");
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start.addActionListener(this);
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iniView = new InitializationPanel( sss.getObjectsInformation(), SSS3dConstants.INITIALIZATION_MODE );
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panel.add(iniView,BorderLayout.CENTER);
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panel.add(menubar,BorderLayout.NORTH);
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panel.add(start,BorderLayout.SOUTH);
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this.getContentPane().add(panel);
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this.setVisible(true);
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start.requestFocus();
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start.setFocusPainted(true);
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} else {
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// show warning
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}
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}
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/**
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* Method handles all action events.
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*/
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public void actionPerformed(ActionEvent e) {
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String s = e.getActionCommand();
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if(s.equals("exit")) {
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System.exit(0);
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} else if(s.equals("open")) {
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if ( brw.isSelected() ) {
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path = pathField.getText();
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}
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if( !path.equals("") )
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createInitializationView();
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} else if(s.equals("browse")) {
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openFileChooser();
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pathField.setEditable(true);
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brw.setSelected(true);
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} else if(s.equals("rbDefault")) {
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pathField.setEditable(false);
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// set default value for path to
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// $current_dir$/default.xml
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String userDir = null;
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try {
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userDir = System.getProperty("user.dir");
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userDir += System.getProperty("file.separator");
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userDir += "default.xml";
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path = userDir;
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} catch(Exception ePath) {
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// use default directory if
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// an exception has been raised
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}
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pathField.setEditable(false);
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} else if(s.equals("rbBrowse")) {
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pathField.setEditable(true);
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} else if(s.equals("start")) {
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System.out.println("Start J3D - Solar System Simulator");
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this.setVisible(false);
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InitializationObject iniObject = sss.getObjectsInformation().getInitializationObject();
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boolean glasses3d = ((Boolean)iniObject.getParameter(XMLConstants.GLASSES3D)).booleanValue();
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if(glasses3d) {
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sss.createStereoScene();
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} else {
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sss.createScene();
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}
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}
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}
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/**
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* Open XML File.
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*
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* @return boolean true if the program could open the specified XML file.
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*/
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private boolean openXMLFile() {
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boolean opened = false;
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File f = new File(path);
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if ( f.exists() ) {
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iniObject = new InitializationObject(path);
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if(iniObject != null) opened = true;
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System.out.println(path);
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}
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return opened;
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}
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/**
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* Window Listener for the InfoBox Frame.
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*/
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class WindowCmd extends WindowAdapter {
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public void windowClosing(WindowEvent e) {
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System.exit(0);
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}
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}
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}
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