Add panel for WCC like SP.

src/main/org/insa/algo/weakconnectivity/WeaklyConnectedComponentsSolution.java

@@ -32,4 +32,26 @@ public class WeaklyConnectedComponentsSolution extends AbstractSolution {
         return components;
     }
 
+    /*
+     * (non-Javadoc)
+     * 
+     * @see java.lang.Object#toString()
+     */
+    @Override
+    public String toString() {
+        int nIsolated = 0;
+        int nGt10 = 0;
+        for (ArrayList<Node> component: components) {
+            if (component.size() == 1) {
+                nIsolated += 1;
+            }
+            else if (component.size() > 10) {
+                nGt10 += 1;
+            }
+        }
+        return "Found " + components.size() + " components (" + nGt10 + " with more than 10 nodes, "
+                + nIsolated + " isolated nodes) in " + getSolvingTime().getSeconds() + " seconds.";
+
+    }
+
 }

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

@@ -60,8 +60,9 @@ public class AlgorithmPanel extends JPanel {
         private final boolean graphicVisualization;
         private final boolean textualVisualization;
 
-        public StartActionEvent(Class<? extends AbstractAlgorithm<?>> algoClass, List<Node> nodes, Mode mode,
+        public StartActionEvent(Class<? extends AbstractAlgorithm<?>> algoClass, List<Node> nodes,
-                ArcFilter arcFilter, boolean graphicVisualization, boolean textualVisualization) {
+                Mode mode, ArcFilter arcFilter, boolean graphicVisualization,
+                boolean textualVisualization) {
             super(AlgorithmPanel.this, START_EVENT_ID, START_EVENT_COMMAND);
             this.nodes = nodes;
             this.mode = mode;
@@ -131,39 +132,27 @@ public class AlgorithmPanel extends JPanel {
 
     /**
      */
-    public AlgorithmPanel(Component parent, Class<? extends AbstractAlgorithm<?>> baseAlgorithm) {
+    public AlgorithmPanel(Component parent, Class<? extends AbstractAlgorithm<?>> baseAlgorithm,
+            String title, String[] nodeNames, boolean enableModeSelection,
+            boolean enableArcFilterSelection) {
         super();
         setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
 
         setBorder(new EmptyBorder(15, 15, 15, 15));
 
         // Set title.
-        JLabel titleLabel = new JLabel("Shortest-Path");
+        add(createTitleLabel(title));
-        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<>(
+        JComboBox<String> algoSelect = createAlgoritmSelectComboBox(baseAlgorithm);
-                AlgorithmFactory.getAlgorithmNames(baseAlgorithm).toArray(new String[0]));
+        if (algoSelect.getItemCount() > 1) {
-        algoSelect.setBackground(Color.WHITE);
-        algoSelect.setAlignmentX(Component.LEFT_ALIGNMENT);
             add(algoSelect);
             components.add(algoSelect);
+        }
 
         // Add inputs for node.
-        this.nodesInputPanel = new NodesInputPanel();
+        this.nodesInputPanel = createNodesInputPanel(nodeNames);
-        this.nodesInputPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
-        nodesInputPanel.addTextField("Origin: ", new Color(57, 172, 115));
-        nodesInputPanel.addTextField("Destination: ", new Color(255, 77, 77));
-        nodesInputPanel.setEnabled(false);
-
         add(this.nodesInputPanel);
         components.add(this.nodesInputPanel);
 
@@ -190,6 +179,7 @@ public class AlgorithmPanel extends JPanel {
 
         c.fill = GridBagConstraints.HORIZONTAL;
 
+        if (enableModeSelection) {
             c.gridx = 0;
             c.gridy = 0;
             c.weightx = 0;
@@ -200,6 +190,7 @@ public class AlgorithmPanel extends JPanel {
             c.gridx = 2;
             c.weightx = 1;
             modeAndObserverPanel.add(timeModeButton, c);
+        }
 
         c.gridy = 2;
         c.gridx = 0;
@@ -212,6 +203,7 @@ public class AlgorithmPanel extends JPanel {
         c.weightx = 1;
         modeAndObserverPanel.add(textObserver, c);
 
+        if (enableArcFilterSelection) {
             c.gridy = 1;
             c.gridx = 0;
             c.weightx = 0;
@@ -220,6 +212,7 @@ public class AlgorithmPanel extends JPanel {
             c.gridwidth = 2;
             c.weightx = 1;
             modeAndObserverPanel.add(arcFilterSelect, c);
+        }
 
         components.add(timeModeButton);
         components.add(lengthModeButton);
@@ -244,12 +237,12 @@ public class AlgorithmPanel extends JPanel {
         startAlgoButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                AbstractInputData.Mode mode = lengthModeButton.isSelected() ? AbstractInputData.Mode.LENGTH
+                AbstractInputData.Mode mode = lengthModeButton.isSelected()
+                        ? AbstractInputData.Mode.LENGTH
                         : AbstractInputData.Mode.TIME;
 
                 for (ActionListener lis: startActionListeners) {
-                    lis.actionPerformed(
+                    lis.actionPerformed(new StartActionEvent(
-                            new StartActionEvent(
                             AlgorithmFactory.getAlgorithmClass(baseAlgorithm,
                                     (String) algoSelect.getSelectedItem()),
                             nodesInputPanel.getNodeForInputs(), mode,
@@ -306,6 +299,57 @@ public class AlgorithmPanel extends JPanel {
         setEnabled(false);
     }
 
+    /**
+     * Create the title JLabel for this panel.
+     * 
+     * @param title Title for the label.
+     * 
+     * @return
+     */
+    protected JLabel createTitleLabel(String title) {
+        JLabel titleLabel = new JLabel(title);
+        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);
+        return titleLabel;
+    }
+
+    /**
+     * Create the combo box for the algorithm selection.
+     * 
+     * @return
+     */
+    protected JComboBox<String> createAlgoritmSelectComboBox(
+            Class<? extends AbstractAlgorithm<?>> baseAlgorithm) {
+        JComboBox<String> algoSelect = new JComboBox<>(
+                AlgorithmFactory.getAlgorithmNames(baseAlgorithm).toArray(new String[0]));
+        algoSelect.setBackground(Color.WHITE);
+        algoSelect.setAlignmentX(Component.LEFT_ALIGNMENT);
+        return algoSelect;
+
+    }
+
+    /**
+     * Create a node input panel with the given node input names.
+     * 
+     * @param nodeNames
+     * @return
+     */
+    protected NodesInputPanel createNodesInputPanel(String[] nodeNames) {
+        final Color[] nodeColors = { new Color(57, 172, 115), new Color(255, 77, 77),
+                new Color(77, 77, 255), new Color(77, 255, 77) };
+        NodesInputPanel panel = new NodesInputPanel();
+        panel.setAlignmentX(Component.LEFT_ALIGNMENT);
+        for (int i = 0; i < nodeNames.length; ++i) {
+            panel.addTextField(nodeNames[i] + ": ", nodeColors[i % nodeColors.length]);
+        }
+        panel.setEnabled(false);
+        return panel;
+    }
+
     protected boolean allNotNull(List<Node> nodes) {
         boolean allNotNull = true;
         for (Node node: nodes) {

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

@@ -42,6 +42,7 @@ 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.shortestpath.ShortestPathAlgorithm;
 import org.insa.algo.shortestpath.ShortestPathData;
@@ -100,20 +101,21 @@ public class MainWindow extends JFrame {
 
     // Drawing and click adapter.
     protected Drawing drawing;
-    private MapViewDrawing mapViewDrawing;
+    private final MapViewDrawing mapViewDrawing;
-    private BasicDrawing basicDrawing;
+    private final BasicDrawing basicDrawing;
 
     // Main panel.
-    private JSplitPane mainPanel;
+    private final JSplitPane mainPanel;
 
-    // Algorithm panel
+    // Algorithm panels
-    private AlgorithmPanel spPanel;
+    private final List<AlgorithmPanel> algoPanels = new ArrayList<>();
+    private final AlgorithmPanel wccPanel, spPanel;
 
     // Path panel
-    private PathsPanel pathPanel;
+    private final PathsPanel pathPanel;
 
     // List of items that cannot be used without a graph
-    private ArrayList<JMenuItem> graphLockItems = new ArrayList<JMenuItem>();
+    private final ArrayList<JMenuItem> graphLockItems = new ArrayList<JMenuItem>();
 
     // Label containing the map ID of the current graph.
     private JLabel graphInfoPanel;
@@ -151,7 +153,43 @@ public class MainWindow extends JFrame {
 
         this.drawing = this.basicDrawing;
 
-        spPanel = new AlgorithmPanel(this, ShortestPathAlgorithm.class);
+        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));
+                }
+
+                launchWeaklyConnectedComponentsThread(wccAlgorithm);
+            }
+        });
+
+        spPanel = new AlgorithmPanel(this, ShortestPathAlgorithm.class, "Shortest-Path",
+                new String[] { "Origin", "Destination" }, true, true);
         spPanel.addStartActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
@@ -185,7 +223,10 @@ public class MainWindow extends JFrame {
                 launchShortestPathThread(spAlgorithm);
             }
         });
-        spPanel.setVisible(false);
+
+        // add algorithm panels
+        algoPanels.add(wccPanel);
+        algoPanels.add(spPanel);
 
         this.pathPanel = new PathsPanel(this);
 
@@ -242,7 +283,10 @@ public class MainWindow extends JFrame {
         rightComponent.add(pathPanel, c);
 
         c.gridy = 1;
-        rightComponent.add(spPanel, c);
+        for (AlgorithmPanel panel: algoPanels) {
+            panel.setVisible(false);
+            rightComponent.add(panel, c);
+        }
 
         c = new GridBagConstraints();
         c.gridx = 0;
@@ -312,6 +356,19 @@ public class MainWindow extends JFrame {
         spPanel.solutionPanel.setVisible(true);
     }
 
+    private void launchWeaklyConnectedComponentsThread(
+            WeaklyConnectedComponentsAlgorithm wccAlgorithm) {
+        launchThread(new Runnable() {
+            @Override
+            public void run() {
+                AbstractSolution solution = wccAlgorithm.run();
+                wccPanel.solutionPanel.addSolution(solution, false);
+                wccPanel.solutionPanel.setVisible(true);
+                wccPanel.setEnabled(true);
+            }
+        });
+    }
+
     private void launchShortestPathThread(ShortestPathAlgorithm spAlgorithm) {
         launchThread(new Runnable() {
             @Override
@@ -475,6 +532,19 @@ public class MainWindow extends JFrame {
         }, 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...
@@ -648,16 +718,7 @@ public class MainWindow extends JFrame {
         wccItem.addActionListener(baf.createBlockingAction(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                WeaklyConnectedComponentsAlgorithm algo = new WeaklyConnectedComponentsAlgorithm(
+                enableAlgorithmPanel(wccPanel);
-                        new WeaklyConnectedComponentsData(graph));
-                algo.addObserver(new WeaklyConnectedComponentGraphicObserver(drawing));
-                algo.addObserver(new WeaklyConnectedComponentTextObserver(printStream));
-                launchThread(new Runnable() {
-                    @Override
-                    public void run() {
-                        algo.run();
-                    }
-                });
             }
         }));
 
@@ -666,9 +727,7 @@ public class MainWindow extends JFrame {
         spItem.addActionListener(baf.createBlockingAction(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                int dividerLocation = mainPanel.getDividerLocation();
+                enableAlgorithmPanel(spPanel);
-                spPanel.setVisible(true);
-                mainPanel.setDividerLocation(dividerLocation);
             }
         }));
         graphLockItems.add(wccItem);