Add shortest path panel.

src/main/org/insa/graphics/MainWindow.java

@@ -4,6 +4,8 @@ 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;
@@ -34,10 +36,11 @@ import javax.swing.Timer;
 import javax.swing.UIManager;
 import javax.swing.filechooser.FileNameExtensionFilter;
 
+import org.insa.algo.shortestpath.AStarAlgorithm;
 import org.insa.algo.shortestpath.BellmanFordAlgorithm;
+import org.insa.algo.shortestpath.DijkstraAlgorithm;
 import org.insa.algo.shortestpath.ShortestPathAlgorithm;
 import org.insa.algo.shortestpath.ShortestPathData;
-import org.insa.algo.shortestpath.ShortestPathData.Mode;
 import org.insa.algo.shortestpath.ShortestPathGraphicObserver;
 import org.insa.algo.shortestpath.ShortestPathSolution;
 import org.insa.algo.weakconnectivity.WeaklyConnectedComponentGraphicObserver;
@@ -45,7 +48,6 @@ 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.Node;
 import org.insa.graph.Path;
 import org.insa.graph.io.BinaryGraphReader;
 import org.insa.graph.io.BinaryGraphReaderV2;
@@ -53,7 +55,7 @@ import org.insa.graph.io.BinaryPathReader;
 import org.insa.graph.io.GraphReader;
 import org.insa.graph.io.MapMismatchException;
 import org.insa.graph.io.Openfile;
-import org.insa.graphics.MultiPointsClickListener.CallableWithNodes;
+import org.insa.graphics.ShortestPathPanel.StartActionEvent;
 import org.insa.graphics.drawing.BasicDrawing;
 import org.insa.graphics.drawing.BlackAndWhiteGraphPalette;
 import org.insa.graphics.drawing.Drawing;
@@ -88,6 +90,9 @@ public class MainWindow extends JFrame {
     // Main panel.
     private JSplitPane mainPanel;
 
+    // Shortest path panel
+    private ShortestPathPanel spPanel;
+
     // List of item for the top menus.
     private JMenuItem openMapItem;
 
@@ -158,12 +163,24 @@ public class MainWindow extends JFrame {
         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 = 1;
+        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(new JScrollPane(infoPanel));
+        mainPanel.setRightComponent(rightComponent);
         this.add(mainPanel, BorderLayout.CENTER);
 
         // Top Panel
@@ -201,6 +218,7 @@ public class MainWindow extends JFrame {
         threadTimer.stop();
         threadPanel.setVisible(false);
         currentThread.setThread(null);
+        spPanel.setEnabled(true);
     }
 
     private void launchShortestPathThread(ShortestPathAlgorithm spAlgorithm) {
@@ -422,33 +440,49 @@ public class MainWindow extends JFrame {
         }));
 
         // Shortest path
-        JMenuItem bellmanItem = new JMenuItem("Shortest Path (Bellman-Ford)");
+        JMenuItem spItem = new JMenuItem("Shortest Path");
-        bellmanItem.addActionListener(baf.createBlockingAction(new ActionListener() {
+        spItem.addActionListener(baf.createBlockingAction(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                int idx = JOptionPane.showOptionDialog(MainWindow.this, "Which mode do you want?", "Mode selection",
+                int dividerLocation = mainPanel.getDividerLocation();
-                        JOptionPane.DEFAULT_OPTION, JOptionPane.QUESTION_MESSAGE, null, Mode.values(), Mode.LENGTH);
+                spPanel = new ShortestPathPanel(drawing, graph);
 
-                if (idx != -1) {
+                GridBagConstraints c = new GridBagConstraints();
-                    Mode mode = Mode.values()[idx];
+                c.gridx = 0;
-                    clickAdapter.enable(2, new CallableWithNodes() {
+                c.gridy = 0;
-                        @Override
+                c.fill = GridBagConstraints.HORIZONTAL;
-                        public void call(ArrayList<Node> nodes) {
+                ((JPanel) mainPanel.getRightComponent()).add(spPanel, c);
-                            launchShortestPathThread(new BellmanFordAlgorithm(
+
-                                    new ShortestPathData(graph, nodes.get(0), nodes.get(1), mode)));
+                mainPanel.setDividerLocation(dividerLocation);
+
+                spPanel.addStartActionListener(new ActionListener() {
+                    @Override
+                    public void actionPerformed(ActionEvent e) {
+                        StartActionEvent evt = (StartActionEvent) e;
+                        ShortestPathData data = new ShortestPathData(graph, evt.getOrigin(), evt.getDestination(),
+                                evt.getMode());
+                        ShortestPathAlgorithm spAlgorithm = null;
+                        if (evt.getAlgorithmClass() == BellmanFordAlgorithm.class) {
+                            spAlgorithm = new BellmanFordAlgorithm(data);
                         }
-                    });
+                        else if (evt.getAlgorithmClass() == DijkstraAlgorithm.class) {
-                }
+                            spAlgorithm = new DijkstraAlgorithm(data);
+                        }
+                        else if (evt.getAlgorithmClass() == AStarAlgorithm.class) {
+                            spAlgorithm = new AStarAlgorithm(data);
+                        }
+                        spPanel.setEnabled(false);
+                        launchShortestPathThread(spAlgorithm);
+                    }
+                });
             }
         }));
         graphLockItems.add(wccItem);
-        graphLockItems.add(bellmanItem);
+        graphLockItems.add(spItem);
 
         algoMenu.add(wccItem);
         algoMenu.addSeparator();
-        algoMenu.add(bellmanItem);
+        algoMenu.add(spItem);
-        // algoMenu.add(djikstraItem);
-        // algoMenu.add(aStarItem);
 
         // Create the menu bar.
         JMenuBar menuBar = new JMenuBar();

src/main/org/insa/graphics/NodesInputPanel.java

@@ -0,0 +1,307 @@
+package org.insa.graphics;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.IdentityHashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.swing.JButton;
+import javax.swing.JComponent;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+
+import org.insa.graph.Graph;
+import org.insa.graph.Node;
+import org.insa.graph.Point;
+import org.insa.graphics.drawing.Drawing;
+import org.insa.graphics.drawing.DrawingClickListener;
+import org.insa.graphics.drawing.MarkerTracker;
+
+public class NodesInputPanel extends JPanel implements DrawingClickListener {
+
+    /**
+     * 
+     */
+    private static final long serialVersionUID = -1638302070013027690L;
+
+    private static final Color DEFAULT_MARKER_COLOR = Color.BLUE;
+
+    public class InputChangedEvent extends ActionEvent {
+
+        /**
+         * 
+         */
+        private static final long serialVersionUID = 3440024811352247731L;
+
+        protected static final String ALL_INPUT_FILLED_EVENT_COMMAND = "allInputFilled";
+
+        protected static final int ALL_INPUT_FILLED_EVENT_ID = 0x1;
+
+        // List of nodes
+        List<Node> nodes;
+
+        public InputChangedEvent(List<Node> nodes2) {
+            super(NodesInputPanel.this, ALL_INPUT_FILLED_EVENT_ID, ALL_INPUT_FILLED_EVENT_COMMAND);
+            this.nodes = nodes2;
+        }
+
+        List<Node> getNodes() {
+            return Collections.unmodifiableList(nodes);
+        }
+
+    };
+
+    // Node inputs and markers.
+    private ArrayList<JTextField> nodeInputs = new ArrayList<>();
+    private Map<JTextField, MarkerTracker> markerTrackers = new IdentityHashMap<JTextField, MarkerTracker>();
+
+    // Component that can be enabled/disabled.
+    private ArrayList<JComponent> components = new ArrayList<>();
+    private int inputToFillIndex;
+
+    // ActionListener called when all inputs are filled.
+    private ArrayList<ActionListener> inputChangeListeners = new ArrayList<>();
+
+    // Graph & Drawing.
+    private Graph graph;
+    private Drawing drawing;
+
+    public NodesInputPanel(Drawing drawing, Graph graph) {
+        super(new GridBagLayout());
+        this.graph = graph;
+        this.drawing = drawing;
+        initInputToFill();
+        drawing.addDrawingClickListener(this);
+    }
+
+    public void addInputChangedListener(ActionListener listener) {
+        inputChangeListeners.add(listener);
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {
+        for (JComponent component: components) {
+            component.setEnabled(enabled);
+        }
+        super.setEnabled(enabled);
+        if (enabled) {
+            // Enable: Check if there is an input to fill, otherwize find the next one.
+            if (getInputToFill() == null) {
+                nextInputToFill();
+            }
+        }
+        else {
+            // Disable, next input to fill = -1.
+            this.inputToFillIndex = -1;
+        }
+    }
+
+    public void clear() {
+        for (JTextField field: nodeInputs) {
+            field.setText("");
+        }
+        initInputToFill();
+    }
+
+    public void addTextField(String label) {
+        addTextField(label, DEFAULT_MARKER_COLOR);
+    }
+
+    public void addTextField(String label, Color markerColor) {
+
+        GridBagConstraints c = new GridBagConstraints();
+        c.insets = new Insets(3, 3, 3, 3);
+
+        JLabel jLabel = new JLabel(label);
+        jLabel.setFont(jLabel.getFont().deriveFont(~Font.BOLD));
+        JTextField textField = new JTextField();
+        jLabel.setLabelFor(textField);
+
+        c.gridx = 0;
+        c.gridy = nodeInputs.size();
+        c.weightx = 0;
+        c.gridwidth = 1;
+        c.fill = GridBagConstraints.HORIZONTAL;
+        add(jLabel, c);
+
+        c.gridx = 1;
+        c.gridy = nodeInputs.size();
+        c.weightx = 1;
+        c.gridwidth = 1;
+        c.fill = GridBagConstraints.HORIZONTAL;
+        add(textField, c);
+
+        JButton clearButton = new JButton("Clear");
+        c.gridx = 2;
+        c.gridy = nodeInputs.size();
+        c.weightx = 0;
+        c.gridwidth = 1;
+        c.fill = GridBagConstraints.HORIZONTAL;
+        add(clearButton, c);
+
+        JButton clickButton = new JButton("Click");
+        c.gridx = 3;
+        c.gridy = nodeInputs.size();
+        c.weightx = 0;
+        c.gridwidth = 1;
+        c.fill = GridBagConstraints.HORIZONTAL;
+        add(clickButton, c);
+
+        // Did not find something easier that this... ?
+        textField.getDocument().addDocumentListener(new DocumentListener() {
+
+            @Override
+            public void changedUpdate(DocumentEvent e) {
+                insertUpdate(e);
+            }
+
+            @Override
+            public void removeUpdate(DocumentEvent e) {
+                insertUpdate(e);
+            }
+
+            @Override
+            public void insertUpdate(DocumentEvent e) {
+
+                // Draw marker if possible
+                Node curnode = getNodeForInput(textField);
+                MarkerTracker tracker = markerTrackers.getOrDefault(textField, null);
+                if (curnode != null) {
+                    if (tracker == null) {
+                        tracker = drawing.drawMarker(curnode.getPoint(), markerColor);
+                        markerTrackers.put(textField, tracker);
+                    }
+                    else {
+                        tracker.moveTo(curnode.getPoint());
+                    }
+                    tracker.setVisible(true);
+                }
+                else if (tracker != null) {
+                    tracker.setVisible(false);
+                }
+
+                // Create array of nodes
+                List<Node> nodes = getNodeForInputs();
+
+                // Trigger change event.
+                for (ActionListener lis: inputChangeListeners) {
+                    lis.actionPerformed(new InputChangedEvent(nodes));
+                }
+            }
+        });
+
+        clearButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                textField.setText("");
+                setInputToFill(textField);
+            }
+        });
+
+        clickButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                setInputToFill(textField);
+            }
+        });
+
+        nodeInputs.add(textField);
+        components.add(textField);
+        components.add(clearButton);
+        components.add(clickButton);
+    }
+
+    /**
+     * @return The node for the given text field, or null if the content of the text
+     *         field is invalid.
+     */
+    protected Node getNodeForInput(JTextField textfield) {
+        try {
+            Node node = graph.getNodes().get(Integer.valueOf(textfield.getText().trim()));
+            return node;
+        }
+        catch (IllegalArgumentException | IndexOutOfBoundsException ex) {
+            return null;
+        }
+    }
+
+    /**
+     * @return List of nodes associated with the input. Some nodes may be null if
+     *         their associated input is invalid.
+     */
+    public List<Node> getNodeForInputs() {
+        List<Node> nodes = new ArrayList<>(nodeInputs.size());
+        for (JTextField input: nodeInputs) {
+            nodes.add(getNodeForInput(input));
+        }
+        return nodes;
+    }
+
+    /**
+     * Get the next input that should be filled by a click, or null if none should
+     * be filled.
+     * 
+     * @return
+     */
+    protected JTextField getInputToFill() {
+        if (inputToFillIndex < 0 || inputToFillIndex >= nodeInputs.size()) {
+            return null;
+        }
+        return nodeInputs.get(inputToFillIndex);
+    }
+
+    /**
+     * Initialize the next input to fill.
+     */
+    protected void initInputToFill() {
+        inputToFillIndex = 0;
+    }
+
+    /**
+     * Set the next input to fill to the given text field.
+     * 
+     * @param input
+     */
+    protected void setInputToFill(JTextField input) {
+        inputToFillIndex = nodeInputs.indexOf(input);
+    }
+
+    /**
+     * Find the next input to fill, if any.
+     */
+    protected void nextInputToFill() {
+        boolean found = false;
+        for (int i = 1; i < nodeInputs.size() && !found; ++i) {
+            int nextIndex = (i + inputToFillIndex) % nodeInputs.size();
+            JTextField input = nodeInputs.get(nextIndex);
+            if (input.getText().trim().isEmpty()) {
+                inputToFillIndex = nextIndex;
+                found = true;
+            }
+        }
+        if (!found) {
+            inputToFillIndex = -1;
+        }
+    }
+
+    @Override
+    public void mouseClicked(Point point) {
+        Node node = graph.findClosestNode(point);
+        JTextField input = getInputToFill();
+        if (input != null) {
+            input.setText(String.valueOf(node.getId()));
+            nextInputToFill();
+        }
+    }
+}

src/main/org/insa/graphics/ShortestPathPanel.java

@@ -0,0 +1,271 @@
+package org.insa.graphics;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Font;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.ButtonGroup;
+import javax.swing.JButton;
+import javax.swing.JComboBox;
+import javax.swing.JComponent;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JSplitPane;
+import javax.swing.border.EmptyBorder;
+
+import org.insa.algo.shortestpath.AStarAlgorithm;
+import org.insa.algo.shortestpath.BellmanFordAlgorithm;
+import org.insa.algo.shortestpath.DijkstraAlgorithm;
+import org.insa.algo.shortestpath.ShortestPathAlgorithm;
+import org.insa.algo.shortestpath.ShortestPathData.Mode;
+import org.insa.graph.Graph;
+import org.insa.graph.Node;
+import org.insa.graph.io.BinaryGraphReaderV2;
+import org.insa.graph.io.GraphReader;
+import org.insa.graph.io.Openfile;
+import org.insa.graphics.NodesInputPanel.InputChangedEvent;
+import org.insa.graphics.drawing.BasicDrawing;
+import org.insa.graphics.drawing.Drawing;
+
+public class ShortestPathPanel extends JPanel {
+
+    /**
+     * 
+     */
+    private static final long serialVersionUID = 406148710808045035L;
+
+    public class StartActionEvent extends ActionEvent {
+
+        /**
+         * 
+         */
+        private static final long serialVersionUID = 4090710269781229078L;
+
+        protected static final String START_EVENT_COMMAND = "allInputFilled";
+
+        protected static final int START_EVENT_ID = 0x1;
+
+        private final Node origin, destination;
+        private final Mode mode;
+        private final Class<? extends ShortestPathAlgorithm> algoClass;
+
+        public StartActionEvent(Class<? extends ShortestPathAlgorithm> algoClass, Node origin, Node destination,
+                Mode mode) {
+            super(ShortestPathPanel.this, START_EVENT_ID, START_EVENT_COMMAND);
+            this.origin = origin;
+            this.destination = destination;
+            this.mode = mode;
+            this.algoClass = algoClass;
+        }
+
+        /**
+         * @return Origin node associated with this event.
+         */
+        public Node getOrigin() {
+            return this.origin;
+        }
+
+        /**
+         * @return Destination node associated with this event.
+         */
+        public Node getDestination() {
+            return this.destination;
+        }
+
+        /**
+         * @return Mode associated with this event.
+         */
+        public Mode getMode() {
+            return this.mode;
+        }
+
+        /**
+         * @return Algorithm class associated with this event.
+         */
+        public Class<? extends ShortestPathAlgorithm> getAlgorithmClass() {
+            return this.algoClass;
+        }
+
+    };
+
+    // Map between algorithm names and class, see end of this class for
+    // initialization.
+    private static Map<String, Class<? extends ShortestPathAlgorithm>> SHORTEST_PATH_ALGORITHMS = new HashMap<>();
+
+    // Input panels for node.
+    private NodesInputPanel nodesInputPanel;
+
+    // Component that can be enabled/disabled.
+    private ArrayList<JComponent> components = new ArrayList<>();
+
+    // Start listeners
+    List<ActionListener> startActionListeners = new ArrayList<>();
+
+    public ShortestPathPanel(Drawing drawing, Graph graph) {
+        super();
+        setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
+
+        setBorder(new EmptyBorder(15, 15, 15, 15));
+
+        // Set title.
+        JLabel titleLabel = new JLabel("Shortest-Path");
+        titleLabel.setBackground(Color.RED);
+        titleLabel.setHorizontalAlignment(JLabel.LEFT);
+        titleLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
+        Font font = titleLabel.getFont();
+        font = font.deriveFont(Font.BOLD, 18);
+        titleLabel.setFont(font);
+        add(titleLabel);
+
+        add(Box.createVerticalStrut(8));
+
+        // Add algorithm selection
+        JComboBox<String> algoSelect = new JComboBox<>(SHORTEST_PATH_ALGORITHMS.keySet().toArray(new String[0]));
+        algoSelect.setBackground(Color.WHITE);
+        algoSelect.setAlignmentX(Component.LEFT_ALIGNMENT);
+        add(algoSelect);
+        components.add(algoSelect);
+
+        // Add inputs for node.
+        this.nodesInputPanel = new NodesInputPanel(drawing, graph);
+        this.nodesInputPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
+        nodesInputPanel.addTextField("Origin: ", new Color(57, 172, 115));
+        nodesInputPanel.addTextField("Destination: ", new Color(255, 77, 77));
+
+        add(this.nodesInputPanel);
+        components.add(this.nodesInputPanel);
+
+        // Add mode selection
+        JPanel modePanel = new JPanel();
+        modePanel.setAlignmentX(Component.LEFT_ALIGNMENT);
+        modePanel.setLayout(new BoxLayout(modePanel, BoxLayout.LINE_AXIS));
+        JRadioButton lengthModeButton = new JRadioButton("Length");
+        lengthModeButton.setSelected(true);
+        JRadioButton timeModeButton = new JRadioButton("Time");
+        ButtonGroup group = new ButtonGroup();
+        group.add(lengthModeButton);
+        group.add(timeModeButton);
+        modePanel.add(Box.createHorizontalGlue());
+        modePanel.add(lengthModeButton);
+        modePanel.add(Box.createHorizontalGlue());
+        modePanel.add(timeModeButton);
+        modePanel.add(Box.createHorizontalGlue());
+
+        add(modePanel);
+        components.add(timeModeButton);
+        components.add(lengthModeButton);
+
+        // Bottom panel
+        JPanel bottomPanel = new JPanel();
+        bottomPanel.setLayout(new BoxLayout(bottomPanel, BoxLayout.LINE_AXIS));
+        JButton startAlgoButton = new JButton("Start");
+        startAlgoButton.setEnabled(false);
+        startAlgoButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                List<Node> nodes = nodesInputPanel.getNodeForInputs();
+                Node origin = nodes.get(0), destination = nodes.get(1);
+                Mode mode = lengthModeButton.isSelected() ? Mode.LENGTH : Mode.TIME;
+
+                for (ActionListener lis: startActionListeners) {
+                    lis.actionPerformed(new StartActionEvent(SHORTEST_PATH_ALGORITHMS.get(algoSelect.getSelectedItem()),
+                            origin, destination, mode));
+                }
+            }
+        });
+
+        JButton hideButton = new JButton("Hide");
+        hideButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                nodesInputPanel.setEnabled(false);
+                setVisible(false);
+            }
+        });
+
+        bottomPanel.add(startAlgoButton);
+        bottomPanel.add(Box.createHorizontalGlue());
+        bottomPanel.add(hideButton);
+
+        components.add(startAlgoButton);
+        components.add(hideButton);
+
+        bottomPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
+
+        add(Box.createVerticalStrut(8));
+        add(bottomPanel);
+
+        nodesInputPanel.addInputChangedListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                InputChangedEvent evt = (InputChangedEvent) e;
+                boolean allNotNull = true;
+                for (Node node: evt.getNodes()) {
+                    if (node == null) {
+                        allNotNull = false;
+                    }
+                }
+                startAlgoButton.setEnabled(allNotNull);
+            }
+        });
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {
+        super.setEnabled(enabled);
+        nodesInputPanel.setEnabled(enabled);
+        for (JComponent component: components) {
+            component.setEnabled(enabled);
+        }
+    }
+
+    /**
+     * Add a new start action listener to this class.
+     * 
+     * @param listener
+     */
+    public void addStartActionListener(ActionListener listener) {
+        this.startActionListeners.add(listener);
+    }
+
+    static {
+        SHORTEST_PATH_ALGORITHMS.put("Bellman-Ford", BellmanFordAlgorithm.class);
+        SHORTEST_PATH_ALGORITHMS.put("Dijkstra", DijkstraAlgorithm.class);
+        SHORTEST_PATH_ALGORITHMS.put("A*", AStarAlgorithm.class);
+    }
+
+    public static void main(String[] args) throws IOException {
+
+        String nomcarte = "../BE_Graphe_Maps/morbihan3.mapgr";
+        GraphReader reader = new BinaryGraphReaderV2(Openfile.open(nomcarte));
+        Graph graph = reader.read();
+
+        JFrame frame = new JFrame();
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setLayout(new BorderLayout());
+        JSplitPane p = new JSplitPane();
+        BasicDrawing drawing = new BasicDrawing();
+        JPanel pane = new ShortestPathPanel(drawing, graph);
+        p.setLeftComponent(drawing);
+        p.setRightComponent(pane);
+        p.setResizeWeight(0.8);
+        frame.add(p, BorderLayout.CENTER);
+        frame.show();
+        frame.setSize(800, 600);
+        // pane.setSize(new Dimension(400, 0));
+
+        drawing.drawGraph(graph);
+    }
+}