be-graphes/src/main/org/insa/graphics/MainWindow.java

870 lines
33 KiB
Java

package org.insa.graphics;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import java.util.prefs.Preferences;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTextArea;
import javax.swing.KeyStroke;
import javax.swing.SwingConstants;
import javax.swing.Timer;
import javax.swing.UIManager;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.filechooser.FileNameExtensionFilter;
import org.insa.algo.AbstractSolution;
import org.insa.algo.AlgorithmFactory;
import org.insa.algo.carpooling.CarPoolingAlgorithm;
import org.insa.algo.packageswitch.PackageSwitchAlgorithm;
import org.insa.algo.shortestpath.ShortestPathAlgorithm;
import org.insa.algo.shortestpath.ShortestPathData;
import org.insa.algo.shortestpath.ShortestPathGraphicObserver;
import org.insa.algo.shortestpath.ShortestPathSolution;
import org.insa.algo.shortestpath.ShortestPathTextObserver;
import org.insa.algo.weakconnectivity.WeaklyConnectedComponentGraphicObserver;
import org.insa.algo.weakconnectivity.WeaklyConnectedComponentTextObserver;
import org.insa.algo.weakconnectivity.WeaklyConnectedComponentsAlgorithm;
import org.insa.algo.weakconnectivity.WeaklyConnectedComponentsData;
import org.insa.graph.Graph;
import org.insa.graph.Path;
import org.insa.graph.io.BinaryGraphReader;
import org.insa.graph.io.BinaryPathReader;
import org.insa.graph.io.GraphReader;
import org.insa.graph.io.MapMismatchException;
import org.insa.graphics.AlgorithmPanel.StartActionEvent;
import org.insa.graphics.drawing.BasicGraphPalette;
import org.insa.graphics.drawing.BlackAndWhiteGraphPalette;
import org.insa.graphics.drawing.Drawing;
import org.insa.graphics.drawing.GraphPalette;
import org.insa.graphics.drawing.components.BasicDrawing;
import org.insa.graphics.drawing.components.MapViewDrawing;
public class MainWindow extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
*
*/
private static final String WINDOW_TITLE = "BE Graphes INSA";
/**
*
*/
private static final int THREAD_TIMER_DELAY = 1000; // in milliseconds
private static final String DEFAULT_MAP_FOLDER_KEY = "DefaultMapFolder";
private static final String DEFAULT_MAP_FOLDER_INSA = "/home/commetud/...";
private static final String DEFAULT_PATH_FOLDER_KEY = "DefaultPathFolder";
private static final String DEFAULT_PATH_FOLDER_INSA = "/home/commetud/...";
// Preferences
private Preferences preferences = Preferences.userRoot().node(getClass().getName());
// Current graph.
protected Graph graph;
// Path to the last opened graph file.
private String graphFilePath;
// Drawing and click adapter.
protected Drawing drawing;
private final MapViewDrawing mapViewDrawing;
private final BasicDrawing basicDrawing;
private final GraphPalette basicPalette, blackAndWhitePalette;
private GraphPalette currentPalette;
// Main panel.
private final JSplitPane mainPanel;
// Algorithm panels
private final List<AlgorithmPanel> algoPanels = new ArrayList<>();
private final AlgorithmPanel wccPanel, spPanel, cpPanel, psPanel;
// Path panel
private final PathsPanel pathPanel;
// List of items that cannot be used without a graph
private final ArrayList<JMenuItem> graphLockItems = new ArrayList<JMenuItem>();
// Label containing the map ID of the current graph.
private JLabel graphInfoPanel;
// Thread information
private Timer threadTimer;
private JPanel threadPanel;
// Log stream and print stream
private StreamCapturer logStream;
private PrintStream printStream;
// Current running thread
private ThreadWrapper currentThread;
// Factory
private BlockingActionFactory baf;
// Observers
private List<DrawingChangeListener> drawingChangeListeners = new ArrayList<>();
private List<GraphChangeListener> graphChangeListeneres = new ArrayList<>();
public MainWindow() {
super(WINDOW_TITLE);
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
setLayout(new BorderLayout());
setMinimumSize(new Dimension(800, 600));
// Create drawing and action listeners...
this.basicDrawing = new BasicDrawing();
this.mapViewDrawing = new MapViewDrawing();
this.drawing = this.basicDrawing;
// Createa palettes
this.basicPalette = new BasicGraphPalette();
this.blackAndWhitePalette = new BlackAndWhiteGraphPalette();
this.currentPalette = this.basicPalette;
wccPanel = new AlgorithmPanel(this, WeaklyConnectedComponentsAlgorithm.class,
"Weakly-Connected Components", new String[] {}, false, false);
wccPanel.addStartActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
StartActionEvent evt = (StartActionEvent) e;
WeaklyConnectedComponentsData data = new WeaklyConnectedComponentsData(graph);
WeaklyConnectedComponentsAlgorithm wccAlgorithm = null;
try {
wccAlgorithm = (WeaklyConnectedComponentsAlgorithm) AlgorithmFactory
.createAlgorithm(evt.getAlgorithmClass(), data);
}
catch (Exception e1) {
JOptionPane.showMessageDialog(MainWindow.this,
"An error occurred while creating the specified algorithm.",
"Internal error: Algorithm instantiation failure",
JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
return;
}
wccPanel.setEnabled(false);
if (evt.isGraphicVisualizationEnabled()) {
wccAlgorithm.addObserver(new WeaklyConnectedComponentGraphicObserver(drawing));
}
if (evt.isTextualVisualizationEnabled()) {
wccAlgorithm.addObserver(new WeaklyConnectedComponentTextObserver(printStream));
}
// We love Java...
final WeaklyConnectedComponentsAlgorithm copyAlgorithm = wccAlgorithm;
launchThread(new Runnable() {
@Override
public void run() {
AbstractSolution solution = copyAlgorithm.run();
wccPanel.solutionPanel.addSolution(solution, false);
wccPanel.solutionPanel.setVisible(true);
wccPanel.setEnabled(true);
}
});
}
});
spPanel = new AlgorithmPanel(this, ShortestPathAlgorithm.class, "Shortest-Path",
new String[] { "Origin", "Destination" }, true, true);
spPanel.addStartActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
StartActionEvent evt = (StartActionEvent) e;
ShortestPathData data = new ShortestPathData(graph, evt.getNodes().get(0),
evt.getNodes().get(1), evt.getMode(), evt.getArcFilter());
ShortestPathAlgorithm spAlgorithm = null;
try {
spAlgorithm = (ShortestPathAlgorithm) AlgorithmFactory
.createAlgorithm(evt.getAlgorithmClass(), data);
}
catch (Exception e1) {
JOptionPane.showMessageDialog(MainWindow.this,
"An error occurred while creating the specified algorithm.",
"Internal error: Algorithm instantiation failure",
JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
return;
}
spPanel.setEnabled(false);
if (evt.isGraphicVisualizationEnabled()) {
spAlgorithm.addObserver(new ShortestPathGraphicObserver(drawing));
}
if (evt.isTextualVisualizationEnabled()) {
spAlgorithm.addObserver(new ShortestPathTextObserver(printStream));
}
final ShortestPathAlgorithm copyAlgorithm = spAlgorithm;
launchThread(new Runnable() {
@Override
public void run() {
// Run the algorithm.
ShortestPathSolution solution = copyAlgorithm.run();
// Add the solution to the solution panel (but do not display
// overlay).
spPanel.solutionPanel.addSolution(solution, false);
// If the solution is feasible, add the path to the path panel.
if (solution.isFeasible()) {
pathPanel.addPath(solution.getPath());
}
// Show the solution panel and enable the shortest-path panel.
spPanel.solutionPanel.setVisible(true);
spPanel.setEnabled(true);
}
});
}
});
cpPanel = new AlgorithmPanel(
this, CarPoolingAlgorithm.class, "Car-Pooling", new String[] { "Origin Car",
"Origin Pedestrian", "Destination Car", "Destination Pedestrian" },
true, true);
psPanel = new AlgorithmPanel(this, PackageSwitchAlgorithm.class, "Car-Pooling",
new String[] { "Oribin A", "Origin B", "Destination A", "Destination B" }, true,
true);
// add algorithm panels
algoPanels.add(wccPanel);
algoPanels.add(spPanel);
algoPanels.add(cpPanel);
algoPanels.add(psPanel);
this.pathPanel = new PathsPanel(this);
// Add click listeners to both drawing.
for (AlgorithmPanel panel: algoPanels) {
this.basicDrawing.addDrawingClickListener(panel.nodesInputPanel);
this.mapViewDrawing.addDrawingClickListener(panel.nodesInputPanel);
this.graphChangeListeneres.add(panel.nodesInputPanel);
this.graphChangeListeneres.add(panel.solutionPanel);
this.drawingChangeListeners.add(panel.nodesInputPanel);
this.drawingChangeListeners.add(panel.solutionPanel);
}
this.graphChangeListeneres.add(pathPanel);
this.drawingChangeListeners.add(pathPanel);
// Create action factory.
this.currentThread = new ThreadWrapper(this);
this.baf = new BlockingActionFactory(this);
this.baf.addAction(currentThread);
// Click adapter
setJMenuBar(createMenuBar());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
int confirmed = JOptionPane.showConfirmDialog(MainWindow.this,
"Are you sure you want to close the application?", "Exit Confirmation",
JOptionPane.YES_NO_OPTION);
if (confirmed == JOptionPane.YES_OPTION) {
dispose();
System.exit(0);
}
}
});
// Create graph area
mainPanel = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
JTextArea infoPanel = new JTextArea();
infoPanel.setMinimumSize(new Dimension(200, 50));
infoPanel.setBackground(Color.WHITE);
infoPanel.setLineWrap(true);
infoPanel.setEditable(false);
this.logStream = new StreamCapturer(infoPanel);
this.printStream = new PrintStream(this.logStream);
JPanel rightComponent = new JPanel();
rightComponent.setLayout(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
c.gridx = 0;
c.gridy = 0;
c.fill = GridBagConstraints.HORIZONTAL;
rightComponent.add(pathPanel, c);
c.gridy = 1;
for (AlgorithmPanel panel: algoPanels) {
panel.setVisible(false);
rightComponent.add(panel, c);
}
c = new GridBagConstraints();
c.gridx = 0;
c.gridy = 2;
c.weightx = 1;
c.weighty = 1;
c.fill = GridBagConstraints.BOTH;
c.gridheight = GridBagConstraints.REMAINDER;
rightComponent.add(new JScrollPane(infoPanel), c);
mainPanel.setResizeWeight(0.8);
mainPanel.setDividerSize(5);
mainPanel.setBackground(Color.WHITE);
mainPanel.setLeftComponent((Component) this.drawing);
mainPanel.setRightComponent(rightComponent);
this.add(mainPanel, BorderLayout.CENTER);
// Top Panel
this.add(createStatusBar(), BorderLayout.SOUTH);
// Notify everythin
notifyDrawingLoaded(null, drawing);
}
/**
* @param runnable
* @param canInterrupt
*/
private void launchThread(Runnable runnable, boolean canInterrupt) {
if (canInterrupt) {
currentThread.setThread(new Thread(new Runnable() {
@Override
public void run() {
threadTimer.restart();
threadPanel.setVisible(true);
runnable.run();
clearCurrentThread();
}
}));
}
else {
currentThread.setThread(new Thread(runnable));
}
currentThread.startThread();
}
private void launchThread(Runnable runnable) {
launchThread(runnable, true);
}
protected void clearCurrentThread() {
threadTimer.stop();
threadPanel.setVisible(false);
currentThread.setThread(null);
if (spPanel.isVisible()) {
spPanel.setEnabled(true);
}
}
/**
* Notify all listeners that a new graph has been loaded.
*/
private void notifyNewGraphLoaded() {
for (GraphChangeListener listener: graphChangeListeneres) {
listener.newGraphLoaded(graph);
}
}
/**
* Notify all listeners that a new drawing has been set up.
*
* @param oldDrawing
* @param newDrawing
*/
private void notifyDrawingLoaded(Drawing oldDrawing, Drawing newDrawing) {
for (DrawingChangeListener listener: drawingChangeListeners) {
listener.onDrawingLoaded(oldDrawing, newDrawing);
}
}
/**
* Notify all listeners that a redraw request is emitted.
*/
private void notifyRedrawRequest() {
for (DrawingChangeListener listener: drawingChangeListeners) {
listener.onRedrawRequest();
}
}
/**
* Draw the stored graph on the drawing.
*/
private void drawGraph(Class<? extends Drawing> newClass, GraphPalette palette) {
// Save old divider location
int oldLocation = mainPanel.getDividerLocation();
boolean isNewGraph = newClass == null;
boolean isMapView = (isNewGraph && drawing == mapViewDrawing)
|| (!isNewGraph && newClass.equals(MapViewDrawing.class));
// We need to draw MapView, we have to check if the file exists.
File mfile = null;
if (isMapView) {
String mfpath = graphFilePath.substring(0, graphFilePath.lastIndexOf(".map"))
+ ".mapfg";
mfile = new File(mfpath);
if (!mfile.exists()) {
if (JOptionPane.showConfirmDialog(this,
"The associated mapsforge (.mapfg) file has not been found, do you want to specify it manually?",
"File not found",
JOptionPane.YES_NO_CANCEL_OPTION) == JOptionPane.YES_OPTION) {
JFileChooser chooser = new JFileChooser(mfile.getParentFile());
if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
mfile = chooser.getSelectedFile();
}
else {
mfile = null;
}
}
else {
mfile = null;
}
}
}
Runnable runnable = null;
if (isMapView && mfile != null) {
final File mfileFinal = mfile;
// It is a mapview drawing and the file was found, so:
// 1. We create the drawing if necessary.
if (drawing != mapViewDrawing) {
drawing.clear();
drawing = mapViewDrawing;
mainPanel.setLeftComponent(mapViewDrawing);
mainPanel.setDividerLocation(oldLocation);
notifyDrawingLoaded(basicDrawing, mapViewDrawing);
drawing.clear();
isNewGraph = true;
}
if (isNewGraph) {
drawing.clear();
runnable = new Runnable() {
public void run() {
((MapViewDrawing) drawing).drawGraph(mfileFinal);
notifyRedrawRequest();
}
};
}
}
else if (!isMapView || (isMapView && mfile == null && isNewGraph)) {
if (drawing == mapViewDrawing) {
mapViewDrawing.clear();
drawing = basicDrawing;
mainPanel.setLeftComponent(basicDrawing);
mainPanel.setDividerLocation(oldLocation);
notifyDrawingLoaded(mapViewDrawing, basicDrawing);
isNewGraph = true;
}
if (isNewGraph || palette != this.currentPalette) {
this.currentPalette = palette;
drawing.clear();
runnable = new Runnable() {
public void run() {
drawing.drawGraph(graph, palette);
notifyRedrawRequest();
}
};
}
}
if (runnable != null) {
launchThread(runnable, false);
}
else {
drawing.clearOverlays();
notifyRedrawRequest();
}
}
/**
* @param newClass
*/
private void drawGraph(Class<? extends Drawing> newClass) {
drawGraph(newClass, new BasicGraphPalette());
}
/**
*
*/
private void drawGraph() {
drawGraph(null, this.currentPalette);
}
private void loadGraph(GraphReader reader) {
launchThread(new Runnable() {
@Override
public void run() {
GraphReaderProgressBar progressBar = new GraphReaderProgressBar(MainWindow.this);
progressBar.setLocationRelativeTo(mainPanel.getLeftComponent());
reader.addObserver(progressBar);
try {
graph = reader.read();
System.out.flush();
}
catch (Exception exception) {
progressBar.setVisible(false);
progressBar = null;
JOptionPane.showMessageDialog(MainWindow.this,
"Unable to read graph from the selected file.");
exception.printStackTrace(System.out);
return;
}
String info = graph.getMapId();
if (graph.getMapName() != null && !graph.getMapName().isEmpty()) {
// The \u200e character is the left-to-right mark, we need to avoid issue with
// name that are right-to-left (e.g. arabic names).
info += " - " + graph.getMapName() + "\u200e";
}
info += ", " + graph.getNodes().size() + " nodes";
graphInfoPanel.setText(info);
drawGraph();
notifyNewGraphLoaded();
for (JMenuItem item: graphLockItems) {
item.setEnabled(true);
}
}
}, false);
}
/**
* Show and enable the given AlgorithmPanel (and hide all others).
*
* @param algorithmPanel
*/
private void enableAlgorithmPanel(AlgorithmPanel algorithmPanel) {
int dividerLocation = mainPanel.getDividerLocation();
for (AlgorithmPanel panel: algoPanels) {
panel.setVisible(panel == algorithmPanel);
}
mainPanel.setDividerLocation(dividerLocation);
}
private JMenuBar createMenuBar() {
// Open Map item...
JMenuItem openMapItem = new JMenuItem("Open Map... ", KeyEvent.VK_O);
openMapItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.ALT_MASK));
openMapItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
JFileChooser chooser = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter("Graph files",
"mapgr");
File mapFolder = new File(
preferences.get(DEFAULT_MAP_FOLDER_KEY, DEFAULT_MAP_FOLDER_INSA));
if (!mapFolder.exists()) {
mapFolder = new File(System.getProperty("user.dir"));
}
chooser.setCurrentDirectory(mapFolder);
chooser.setFileFilter(filter);
if (chooser.showOpenDialog(MainWindow.this) == JFileChooser.APPROVE_OPTION) {
graphFilePath = chooser.getSelectedFile().getAbsolutePath();
// Check...
if (chooser.getSelectedFile().exists()) {
preferences.put(DEFAULT_MAP_FOLDER_KEY,
chooser.getSelectedFile().getParent());
}
DataInputStream stream;
try {
stream = new DataInputStream(new BufferedInputStream(
new FileInputStream(chooser.getSelectedFile())));
}
catch (IOException e1) {
JOptionPane.showMessageDialog(MainWindow.this,
"Cannot open the selected file.");
return;
}
loadGraph(new BinaryGraphReader(stream));
}
}
}));
// Open Path item...
JMenuItem openPathItem = new JMenuItem("Open Path... ", KeyEvent.VK_P);
openPathItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P, ActionEvent.ALT_MASK));
openPathItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
JFileChooser chooser = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter(
"Path & compressed path files", "path");
File pathFolder = new File(
preferences.get(DEFAULT_PATH_FOLDER_KEY, DEFAULT_PATH_FOLDER_INSA));
if (!pathFolder.exists()) {
pathFolder = new File(System.getProperty("user.dir"));
}
chooser.setCurrentDirectory(pathFolder);
chooser.setFileFilter(filter);
if (chooser.showOpenDialog(MainWindow.this) == JFileChooser.APPROVE_OPTION) {
// Check & Update
if (chooser.getSelectedFile().exists()) {
preferences.put(DEFAULT_PATH_FOLDER_KEY,
chooser.getSelectedFile().getParent());
}
BinaryPathReader reader;
try {
reader = new BinaryPathReader(new DataInputStream(new BufferedInputStream(
new FileInputStream(chooser.getSelectedFile()))));
}
catch (IOException e1) {
JOptionPane.showMessageDialog(MainWindow.this,
"Cannot open the selected file.");
return;
}
try {
Path path = reader.readPath(graph);
pathPanel.addPath(path);
}
catch (MapMismatchException exception) {
JOptionPane.showMessageDialog(MainWindow.this,
"The selected file does not contain a path for the current graph.");
return;
}
catch (Exception exception) {
JOptionPane.showMessageDialog(MainWindow.this,
"Unable to read path from the selected file.");
return;
}
}
}
}));
graphLockItems.add(openPathItem);
// Close item
JMenuItem closeItem = new JMenuItem("Quit", KeyEvent.VK_Q);
closeItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, ActionEvent.ALT_MASK));
closeItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
MainWindow.this.dispatchEvent(
new WindowEvent(MainWindow.this, WindowEvent.WINDOW_CLOSING));
}
});
// Build the first menu.
JMenu fileMenu = new JMenu("File");
fileMenu.add(openMapItem);
fileMenu.add(openPathItem);
fileMenu.addSeparator();
fileMenu.add(closeItem);
// Second menu
JMenuItem drawGraphItem = new JMenuItem("Redraw", KeyEvent.VK_R);
drawGraphItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, ActionEvent.ALT_MASK));
drawGraphItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
drawGraph(BasicDrawing.class, basicPalette);
}
}));
graphLockItems.add(drawGraphItem);
JMenuItem drawGraphBWItem = new JMenuItem("Redraw (B&W)", KeyEvent.VK_B);
drawGraphBWItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_B, ActionEvent.ALT_MASK));
drawGraphBWItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
drawGraph(BasicDrawing.class, blackAndWhitePalette);
}
}));
graphLockItems.add(drawGraphBWItem);
JMenuItem drawGraphMapsforgeItem = new JMenuItem("Redraw (Map)", KeyEvent.VK_M);
drawGraphMapsforgeItem
.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_M, ActionEvent.ALT_MASK));
drawGraphMapsforgeItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
drawGraph(MapViewDrawing.class);
}
}));
graphLockItems.add(drawGraphMapsforgeItem);
JMenu graphMenu = new JMenu("Graph");
graphMenu.add(drawGraphItem);
graphMenu.add(drawGraphBWItem);
graphMenu.addSeparator();
graphMenu.add(drawGraphMapsforgeItem);
// Algo menu
JMenu algoMenu = new JMenu("Algorithms");
// Weakly connected components
JMenuItem wccItem = new JMenuItem("Weakly Connected Components");
wccItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
enableAlgorithmPanel(wccPanel);
}
}));
// Shortest path
JMenuItem spItem = new JMenuItem("Shortest-Path");
spItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
enableAlgorithmPanel(spPanel);
}
}));
// Car pooling
JMenuItem cpItem = new JMenuItem("Car Pooling");
cpItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
enableAlgorithmPanel(cpPanel);
}
}));
// Car pooling
JMenuItem psItem = new JMenuItem("Package Switch");
psItem.addActionListener(baf.createBlockingAction(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
enableAlgorithmPanel(psPanel);
}
}));
graphLockItems.add(wccItem);
graphLockItems.add(spItem);
graphLockItems.add(cpItem);
graphLockItems.add(psItem);
algoMenu.add(wccItem);
algoMenu.addSeparator();
algoMenu.add(spItem);
algoMenu.add(cpItem);
algoMenu.add(psItem);
// Create the menu bar.
JMenuBar menuBar = new JMenuBar();
menuBar.add(fileMenu);
menuBar.add(graphMenu);
menuBar.add(algoMenu);
for (JMenuItem item: graphLockItems) {
item.setEnabled(false);
}
return menuBar;
}
private JPanel createStatusBar() {
// create the status bar panel and shove it down the bottom of the frame
JPanel statusPanel = new JPanel();
statusPanel.setBorder(
new CompoundBorder(BorderFactory.createMatteBorder(1, 0, 0, 0, Color.GRAY),
new EmptyBorder(0, 15, 0, 15)));
statusPanel.setPreferredSize(new Dimension(getWidth(), 38));
statusPanel.setLayout(new BorderLayout());
graphInfoPanel = new JLabel();
graphInfoPanel.setHorizontalAlignment(SwingConstants.LEFT);
statusPanel.add(graphInfoPanel, BorderLayout.WEST);
JLabel threadInfo = new JLabel("Thread running... ");
JLabel threadTimerLabel = new JLabel("00:00:00");
JButton threadButton = new JButton("Stop");
threadButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (currentThread.isRunning()) {
int confirmed = JOptionPane.showConfirmDialog(MainWindow.this,
"Are you sure you want to kill the running thread?",
"Kill Confirmation", JOptionPane.YES_NO_OPTION);
if (confirmed == JOptionPane.YES_OPTION) {
currentThread.interrupt();
}
}
}
});
threadTimer = new Timer(THREAD_TIMER_DELAY, new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
long seconds = currentThread.getDuration().getSeconds();
threadTimerLabel.setText(String.format("%02d:%02d:%02d", seconds / 3600,
seconds / 60 % 60, seconds % 60));
}
});
threadTimer.setInitialDelay(0);
threadPanel = new JPanel();
threadPanel.add(threadInfo);
threadPanel.add(threadTimerLabel);
threadPanel.add(threadButton);
threadPanel.setVisible(false);
statusPanel.add(threadPanel, BorderLayout.EAST);
return statusPanel;
}
public static void main(final String[] args) {
// Try to set system look and feel.
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch (Exception e) {
}
MainWindow w = new MainWindow();
w.setExtendedState(JFrame.MAXIMIZED_BOTH);
w.setVisible(true);
}
}