442 lines
13 KiB
Java
442 lines
13 KiB
Java
package org.insa.base;
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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import java.io.File;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.PrintStream;
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import java.lang.reflect.Constructor;
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import java.util.ArrayList;
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import javax.swing.BorderFactory;
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import javax.swing.BoxLayout;
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import javax.swing.JButton;
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import javax.swing.JFileChooser;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JMenu;
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import javax.swing.JMenuBar;
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import javax.swing.JMenuItem;
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import javax.swing.JOptionPane;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JSplitPane;
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import javax.swing.JTextArea;
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import javax.swing.KeyStroke;
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import javax.swing.SwingConstants;
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import javax.swing.UIManager;
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import javax.swing.filechooser.FileNameExtensionFilter;
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import org.insa.algo.AbstractSolution;
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import org.insa.algo.shortestpath.BellmanFordAlgorithm;
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import org.insa.algo.shortestpath.ShortestPathAlgorithm;
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import org.insa.algo.shortestpath.ShortestPathGraphicObserver;
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import org.insa.algo.shortestpath.ShortestPathInstance;
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import org.insa.algo.shortestpath.ShortestPathInstance.Mode;
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import org.insa.algo.shortestpath.ShortestPathSolution;
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import org.insa.algo.weakconnectivity.WeaklyConnectedComponentGraphicObserver;
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import org.insa.algo.weakconnectivity.WeaklyConnectedComponentTextObserver;
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import org.insa.algo.weakconnectivity.WeaklyConnectedComponentsAlgorithm;
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import org.insa.algo.weakconnectivity.WeaklyConnectedComponentsInstance;
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import org.insa.drawing.Drawing;
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import org.insa.drawing.graph.BlackAndWhiteGraphPalette;
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import org.insa.drawing.graph.GraphDrawing;
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import org.insa.drawing.graph.PathDrawing;
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import org.insa.graph.Graph;
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import org.insa.graph.Path;
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import org.insa.graph.io.BinaryGraphReader;
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import org.insa.graph.io.BinaryPathReader;
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import org.insa.graph.io.MapMismatchException;
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import org.insa.graph.io.Openfile;
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import com.sun.glass.events.KeyEvent;
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public class MainWindow extends JFrame {
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public class JOutputStream extends OutputStream {
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private JTextArea textArea;
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public JOutputStream(JTextArea textArea) {
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this.textArea = textArea;
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}
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@Override
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public void write(int b) throws IOException {
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// redirects data to the text area
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textArea.setText(textArea.getText() + String.valueOf((char)b));
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// scrolls the text area to the end of data
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textArea.setCaretPosition(textArea.getDocument().getLength());
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// keeps the textArea up to date
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textArea.update(textArea.getGraphics());
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}
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}
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/**
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*
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*/
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private static final long serialVersionUID = -527660583705140687L;
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/**
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*
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*/
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private static final String WINDOW_TITLE = "BE Graphes INSA";
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/**
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*
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*/
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private static final Dimension DEFAULT_DIMENSION = new Dimension(800, 600);
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// Current graph.
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private Graph graph;
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// Current loaded path.
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private Path currentPath;
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// List of item for the top menus.
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private JMenuItem openMapItem;
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// List of items that cannot be used without a graph
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private ArrayList<JMenuItem> graphItems = new ArrayList<JMenuItem>();
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// Label containing the map ID of the current graph.
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private JLabel mapIdPanel;
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private JPanel threadPanel;
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// Log stream and print stream
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private JOutputStream logStream;
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private PrintStream printStream;
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// Current running thread
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private Thread currentThread;
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/**
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*
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*/
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private Drawing drawing;
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public MainWindow() {
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super(WINDOW_TITLE);
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setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
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setLayout(new BorderLayout());
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setSize(DEFAULT_DIMENSION);
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setJMenuBar(createMenuBar());
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addWindowListener(new WindowAdapter() {
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public void windowClosing(WindowEvent e) {
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int confirmed = JOptionPane.showConfirmDialog(null,
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"Are you sure you want to close the application?", "Exit Confirmation",
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JOptionPane.YES_NO_OPTION);
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if (confirmed == JOptionPane.YES_OPTION) {
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dispose();
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System.exit(0);
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}
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}
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});
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// Create graph area
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JSplitPane sp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
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drawing = new Drawing();
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drawing.setBackground(Color.WHITE);
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JTextArea infoPanel = new JTextArea();
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infoPanel.setMinimumSize(new Dimension(200, 50));
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// infoPanel.setBorder(BorderFactory.createMatteBorder(0, 1, 0, 0, Color.GRAY));
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infoPanel.setBackground(Color.WHITE);
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infoPanel.setLineWrap(true);
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infoPanel.setEditable(false);
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this.logStream = new JOutputStream(infoPanel);
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this.printStream = new PrintStream(this.logStream);
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sp.setResizeWeight(0.8);
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// sp.setEnabled(false);
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sp.setDividerSize(5);
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sp.setBackground(Color.WHITE);
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sp.add(drawing);
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sp.add(new JScrollPane(infoPanel));
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this.add(sp, BorderLayout.CENTER);
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this.add(createStatusBar(), BorderLayout.SOUTH);
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}
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private void launchThread(Runnable runnable) {
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currentThread = new Thread(new Runnable() {
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@Override
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public void run() {
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threadPanel.setVisible(true);
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runnable.run();
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threadPanel.setVisible(false);
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}
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});
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currentThread.start();
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}
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private ShortestPathInstance getShortestPathParameters() {
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// TODO: Select origin / end nodes.
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return new ShortestPathInstance(
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graph, graph.getNodes().get(2), graph.getNodes().get(139), Mode.TIME);
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}
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private void launchShortestPathThread(ShortestPathAlgorithm spAlgorithm) {
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spAlgorithm.addObserver(new ShortestPathGraphicObserver(drawing));
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// algo.addObserver(new ShortestPathTextObserver(printStream));
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launchThread(new Runnable() {
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@Override
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public void run() {
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spAlgorithm.run();
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AbstractSolution solution = spAlgorithm.getLastSolution();
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if (solution != null && solution.isFeasible()) {
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new PathDrawing(drawing).drawPath(((ShortestPathSolution)solution).getPath());
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}
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}
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});
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}
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@SuppressWarnings("restriction")
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private JMenuBar createMenuBar() {
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// Open Map item...
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openMapItem = new JMenuItem("Open Map... ",
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KeyEvent.VK_O);
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openMapItem.setAccelerator(KeyStroke.getKeyStroke(
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KeyEvent.VK_O, ActionEvent.ALT_MASK));
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openMapItem.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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JFileChooser chooser = new JFileChooser();
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FileNameExtensionFilter filter = new FileNameExtensionFilter(
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"Map & compressed map files", "map", "map.gz");
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chooser.setCurrentDirectory(new File(System.getProperty("user.dir")));
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chooser.setFileFilter(filter);
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if (chooser.showOpenDialog(MainWindow.this) == JFileChooser.APPROVE_OPTION) {
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BinaryGraphReader reader;
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try {
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reader = new BinaryGraphReader(
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Openfile.open(chooser.getSelectedFile().getAbsolutePath()));
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} catch (IOException e1) {
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JOptionPane.showMessageDialog(MainWindow.this, "Cannot open the selected file.");
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return ;
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}
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try {
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graph = reader.read();
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}
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catch (Exception exception) {
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JOptionPane.showMessageDialog(MainWindow.this, "Unable to read graph from the selected file.");
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return ;
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}
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drawing.clear();
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new GraphDrawing(drawing).drawGraph(graph);
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for (JMenuItem item: graphItems) {
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item.setEnabled(true);
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}
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mapIdPanel.setText("Map ID: 0x" + Integer.toHexString(graph.getMapId()));
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}
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}
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});
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// Open Path item...
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JMenuItem openPathItem = new JMenuItem("Open Path... ", KeyEvent.VK_P);
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openPathItem.setAccelerator(KeyStroke.getKeyStroke(
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KeyEvent.VK_P, ActionEvent.ALT_MASK));
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openPathItem.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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JFileChooser chooser = new JFileChooser();
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FileNameExtensionFilter filter = new FileNameExtensionFilter(
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"Path & compressed path files", "path", "path.gz");
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chooser.setCurrentDirectory(new File(System.getProperty("user.dir")));
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chooser.setFileFilter(filter);
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if (chooser.showOpenDialog(MainWindow.this) == JFileChooser.APPROVE_OPTION) {
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BinaryPathReader reader;
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try {
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reader = new BinaryPathReader(
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Openfile.open(chooser.getSelectedFile().getAbsolutePath()));
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} catch (IOException e1) {
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JOptionPane.showMessageDialog(MainWindow.this, "Cannot open the selected file.");
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return ;
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}
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try {
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currentPath = reader.readPath(graph);
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}
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catch (MapMismatchException exception) {
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JOptionPane.showMessageDialog(MainWindow.this, "The selected file does not contain a path for the current graph.");
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return;
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}
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catch (Exception exception) {
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JOptionPane.showMessageDialog(MainWindow.this, "Unable to read path from the selected file.");
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return ;
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}
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new PathDrawing(drawing).drawPath(currentPath);
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}
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}
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});
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graphItems.add(openPathItem);
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// Close item
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JMenuItem closeItem = new JMenuItem("Quit", KeyEvent.VK_Q);
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closeItem.setAccelerator(KeyStroke.getKeyStroke(
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KeyEvent.VK_Q, ActionEvent.ALT_MASK));
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closeItem.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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MainWindow.this.dispatchEvent(new WindowEvent(MainWindow.this, WindowEvent.WINDOW_CLOSING));
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}
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});
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//Build the first menu.
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JMenu fileMenu = new JMenu("File");
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fileMenu.add(openMapItem);
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fileMenu.add(openPathItem);
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fileMenu.addSeparator();
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fileMenu.add(closeItem);
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// Second menu
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JMenuItem drawGraphItem = new JMenuItem("Redraw", KeyEvent.VK_R);
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drawGraphItem.setAccelerator(KeyStroke.getKeyStroke(
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KeyEvent.VK_R, ActionEvent.ALT_MASK));
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drawGraphItem.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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launchThread(new Runnable() {
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@Override
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public void run() {
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drawing.clear();
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drawing.setAutoRepaint(true);
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new GraphDrawing(drawing).drawGraph(graph);
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}
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});
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}
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});
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graphItems.add(drawGraphItem);
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JMenuItem drawGraphBWItem = new JMenuItem("Redraw (B&W)", KeyEvent.VK_B);
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drawGraphBWItem.setAccelerator(KeyStroke.getKeyStroke(
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KeyEvent.VK_B, ActionEvent.ALT_MASK));
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drawGraphBWItem.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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launchThread(new Runnable() {
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@Override
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public void run() {
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drawing.clear();
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drawing.setAutoRepaint(true);
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new GraphDrawing(drawing, new BlackAndWhiteGraphPalette()).drawGraph(graph);
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}
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});
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}
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});
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graphItems.add(drawGraphBWItem);
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JMenu graphMenu = new JMenu("Graph");
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graphMenu.add(drawGraphItem);
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graphMenu.add(drawGraphBWItem);
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// Algo menu
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JMenu algoMenu = new JMenu("Algorithms");
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// Weakly connected components
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JMenuItem wccItem = new JMenuItem("Weakly Connected Components");
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wccItem.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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WeaklyConnectedComponentsInstance instance = new WeaklyConnectedComponentsInstance(graph);
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WeaklyConnectedComponentsAlgorithm algo = new WeaklyConnectedComponentsAlgorithm(instance);
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algo.addObserver(new WeaklyConnectedComponentGraphicObserver(drawing));
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// algo.addObserver(new WeaklyConnectedComponentTextObserver(printStream));
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launchThread(algo);
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}
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});
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// Shortest path
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JMenuItem bellmanItem = new JMenuItem("Shortest Path (Bellman-Ford)");
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bellmanItem.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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launchShortestPathThread(new BellmanFordAlgorithm(getShortestPathParameters()));
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}
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});
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graphItems.add(wccItem);
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graphItems.add(bellmanItem);
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algoMenu.add(wccItem);
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algoMenu.addSeparator();
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algoMenu.add(bellmanItem);
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// algoMenu.add(djikstraItem);
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// algoMenu.add(aStarItem);
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// Create the menu bar.
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JMenuBar menuBar = new JMenuBar();
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menuBar.add(fileMenu);
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menuBar.add(graphMenu);
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menuBar.add(algoMenu);
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for (JMenuItem item: graphItems) {
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item.setEnabled(false);
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}
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return menuBar;
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}
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private JPanel createStatusBar() {
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// create the status bar panel and shove it down the bottom of the frame
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JPanel statusPanel = new JPanel();
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statusPanel.setBorder(BorderFactory.createMatteBorder(1, 0, 0, 0, Color.GRAY));
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statusPanel.setPreferredSize(new Dimension(getWidth(), 34));
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statusPanel.setLayout(new BorderLayout());
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mapIdPanel = new JLabel();
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mapIdPanel.setHorizontalAlignment(SwingConstants.LEFT);
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statusPanel.add(mapIdPanel, BorderLayout.WEST);
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JLabel threadInfo = new JLabel("Thread running... ");
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JButton threadButton = new JButton("Stop");
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threadButton.addActionListener(new ActionListener() {
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@SuppressWarnings("deprecation")
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@Override
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public void actionPerformed(ActionEvent e) {
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if (currentThread != null && currentThread.isAlive()) {
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int confirmed = JOptionPane.showConfirmDialog(null,
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"Are you sure you want to kill the running thread?", "Kill Confirmation",
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JOptionPane.YES_NO_OPTION);
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if (confirmed == JOptionPane.YES_OPTION) {
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currentThread.stop();
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currentThread = null;
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threadPanel.setVisible(false);
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}
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}
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}
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});
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threadPanel = new JPanel();
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threadPanel.add(threadInfo);
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threadPanel.add(threadButton);
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// threadPanel.setVisible(false);
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statusPanel.add(threadPanel, BorderLayout.EAST);
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return statusPanel;
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}
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public static void main(final String[] args) {
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// Try to set system look and feel.
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try {
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UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()) ;
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}
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catch (Exception e) { }
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MainWindow w = new MainWindow();
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w.setExtendedState(JFrame.MAXIMIZED_BOTH);
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w.setVisible(true);
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}
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}
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