Update solution panel.
This commit is contained in:
Holt59
parent
08fd7120f2
commit
5d28e12903
@ -9,8 +9,6 @@ import java.io.DataOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.IdentityHashMap;
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import java.util.Map;
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import javax.swing.BorderFactory;
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import javax.swing.Box;
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@ -32,25 +30,81 @@ import org.insa.graph.io.BinaryPathWriter;
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import org.insa.graphics.drawing.Drawing;
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import org.insa.graphics.drawing.overlays.PathOverlay;
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public class ShortestPathSolutionPanel extends JPanel
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implements DrawingChangeListener, GraphChangeListener {
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public class ShortestPathSolutionPanel extends JPanel implements DrawingChangeListener, GraphChangeListener {
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/**
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*
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*/
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private static final long serialVersionUID = 1L;
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// Parent components
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Component parent;
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private class ShortestPathBundle {
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// Solution
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private final ShortestPathSolution solution;
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// Path Overlay (not final due to redraw)
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private PathOverlay overlay = null;
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/**
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* Create a new bundle with the given solution and create a new overlay
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* corresponding to the solution (if the solution is feasible).
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*
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* @param solution Solution for this bundle, must not be null.
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*
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*/
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public ShortestPathBundle(ShortestPathSolution solution) {
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this.solution = solution;
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if (this.solution.isFeasible()) {
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this.overlay = drawing.drawPath(this.solution.getPath());
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}
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}
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/**
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* @return Solution associated with this bundle.
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*/
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public ShortestPathSolution getSolution() {
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return this.solution;
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}
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/**
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* @return Data assocaited with this bundle.
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*/
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public ShortestPathData getData() {
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return (ShortestPathData) this.solution.getInstance();
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}
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/**
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* @return Overlay associated with this bundle, or null.
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*/
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public PathOverlay getOverlay() {
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return this.overlay;
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}
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/**
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* Re-draw the current overlay (if any) on the new drawing.
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*
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*/
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public void updateOverlay(Drawing newDrawing) {
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if (this.overlay != null) {
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PathOverlay oldOverlay = this.overlay;
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this.overlay = newDrawing.drawPath(this.solution.getPath());
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this.overlay.setVisible(oldOverlay.isVisible());
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oldOverlay.delete();
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}
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}
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}
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// Solution
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private Drawing drawing;
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// Solution selector
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JComboBox<ShortestPathSolution> solutionSelect;
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private final JComboBox<ShortestPathBundle> solutionSelect;
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// Map solution -> panel
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Map<ShortestPathSolution, JPanel> solutionToPanel = new IdentityHashMap<>();
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private final JLabel informationPanel;
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// Current bundle
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private ShortestPathBundle currentBundle = null;
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public ShortestPathSolutionPanel(Component parent, Drawing drawing) {
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super();
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@ -58,87 +112,29 @@ public class ShortestPathSolutionPanel extends JPanel
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setBorder(new CompoundBorder(BorderFactory.createMatteBorder(1, 0, 0, 0, Color.BLACK),
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new EmptyBorder(15, 15, 15, 15)));
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this.parent = parent;
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this.drawing = drawing;
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// TODO: Create select + Block for JPanel
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solutionSelect = new JComboBox<>(new ShortestPathSolution[0]);
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solutionSelect = new JComboBox<>();
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solutionSelect.setBackground(Color.WHITE);
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solutionSelect.setAlignmentX(Component.LEFT_ALIGNMENT);
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add(solutionSelect);
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JPanel bottomPanel = new JPanel();
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bottomPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
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add(bottomPanel);
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solutionSelect.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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@SuppressWarnings("unchecked")
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JComboBox<ShortestPathSolution> combo = (JComboBox<ShortestPathSolution>) e
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.getSource();
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ShortestPathSolution solution = (ShortestPathSolution) combo.getSelectedItem();
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bottomPanel.removeAll();
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bottomPanel.add(solutionToPanel.get(solution));
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}
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});
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}
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public void addSolution(ShortestPathSolution solution) {
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// add info panel
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JPanel panel = new JPanel();
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panel.setLayout(new BoxLayout(panel, BoxLayout.PAGE_AXIS));
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panel.add(createInformationLabel(solution));
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if (solution != null && solution.isFeasible()) {
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panel.add(Box.createVerticalStrut(8));
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panel.add(createPathPanel(solution));
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}
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solutionToPanel.put(solution, panel);
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solutionSelect.addItem(solution);
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solutionSelect.setSelectedItem(solution);
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}
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protected JLabel createInformationLabel(ShortestPathSolution solution) {
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ShortestPathData data = (ShortestPathData) solution.getInstance();
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String info = null;
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if (solution == null || !solution.isFeasible()) {
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info = String.format("Shortest path: No path found from node #%d to node #%d.",
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data.getOrigin().getId(), data.getDestination().getId());
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}
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else {
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info = String.format("Shortest path: Found a path from node #%d to node #%d",
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data.getOrigin().getId(), data.getDestination().getId());
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if (data.getMode() == Mode.LENGTH) {
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info = String.format("%s, %.2f kilometers.", info,
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(solution.getPath().getLength() / 1000.0));
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}
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else {
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info = String.format("%s, %.2f minutes.", info,
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(solution.getPath().getMinimumTravelTime() / 60.0));
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}
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}
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JLabel label = new JLabel(info);
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label.setAlignmentX(Component.LEFT_ALIGNMENT);
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label.setHorizontalAlignment(JLabel.LEFT);
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return label;
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}
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protected JPanel createPathPanel(ShortestPathSolution solution) {
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ShortestPathData data = (ShortestPathData) solution.getInstance();
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final PathOverlay overlay = drawing.drawPath(solution.getPath());
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informationPanel = new JLabel();
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informationPanel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
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informationPanel.setHorizontalAlignment(JLabel.LEFT);
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add(informationPanel);
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JButton clearButton = new JButton("Hide");
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clearButton.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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PathOverlay overlay = currentBundle.getOverlay();
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if (overlay == null) {
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return;
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}
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if (overlay.isVisible()) {
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overlay.setVisible(false);
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clearButton.setText("Show");
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@ -149,14 +145,15 @@ public class ShortestPathSolutionPanel extends JPanel
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}
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}
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});
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JButton saveButton = new JButton("Save");
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saveButton.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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String filepath = System.getProperty("user.dir");
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filepath += File.separator
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+ String.format("path_%#x_%d_%d.path", data.getGraph().getMapId(),
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data.getOrigin().getId(), data.getDestination().getId());
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filepath += File.separator + String.format("path_%#x_%d_%d.path",
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currentBundle.getData().getGraph().getMapId(), currentBundle.getData().getOrigin().getId(),
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currentBundle.getData().getDestination().getId());
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JFileChooser fileChooser = new JFileChooser();
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fileChooser.setSelectedFile(new File(filepath));
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fileChooser.setApproveButtonText("Save");
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@ -164,13 +161,12 @@ public class ShortestPathSolutionPanel extends JPanel
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if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) {
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File file = fileChooser.getSelectedFile();
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try {
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BinaryPathWriter writer = new BinaryPathWriter(new DataOutputStream(
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new BufferedOutputStream(new FileOutputStream(file))));
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writer.writePath(solution.getPath());
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BinaryPathWriter writer = new BinaryPathWriter(
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new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file))));
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writer.writePath(currentBundle.getSolution().getPath());
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}
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catch (IOException e1) {
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JOptionPane.showMessageDialog(parent,
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"Unable to write path to the selected file.");
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JOptionPane.showMessageDialog(parent, "Unable to write path to the selected file.");
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e1.printStackTrace();
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}
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}
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@ -182,15 +178,63 @@ public class ShortestPathSolutionPanel extends JPanel
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buttonPanel.add(Box.createHorizontalGlue());
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buttonPanel.add(clearButton);
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buttonPanel.add(saveButton);
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buttonPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
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add(buttonPanel);
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return buttonPanel;
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solutionSelect.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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ShortestPathBundle bundle = (ShortestPathBundle) solutionSelect.getSelectedItem();
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if (currentBundle.getOverlay() != null) {
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currentBundle.getOverlay().setVisible(false);
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}
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buttonPanel.setVisible(bundle.getSolution().isFeasible());
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clearButton.setText(bundle.getSolution().isFeasible() ? "Hide" : "Show");
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if (bundle.getOverlay() != null) {
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bundle.getOverlay().setVisible(true);
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}
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currentBundle = bundle;
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}
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});
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}
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public void addSolution(ShortestPathSolution solution) {
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ShortestPathBundle bundle = new ShortestPathBundle(solution);
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solutionSelect.addItem(bundle);
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solutionSelect.setSelectedItem(bundle);
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}
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protected void updateInformationLabel(ShortestPathBundle bundle) {
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ShortestPathData data = bundle.getData();
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String info = null;
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if (!bundle.getSolution().isFeasible()) {
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info = String.format("Shortest path: No path found from node #%d to node #%d.", data.getOrigin().getId(),
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data.getDestination().getId());
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}
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else {
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info = String.format("Shortest path: Found a path from node #%d to node #%d", data.getOrigin().getId(),
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data.getDestination().getId());
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if (data.getMode() == Mode.LENGTH) {
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info = String.format("%s, %.2f kilometers.", info,
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(bundle.getSolution().getPath().getLength() / 1000.0));
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}
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else {
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info = String.format("%s, %.2f minutes.", info,
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(bundle.getSolution().getPath().getMinimumTravelTime() / 60.0));
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}
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}
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informationPanel.setText(info);
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}
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@Override
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public void newGraphLoaded(Graph graph) {
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// TODO:
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this.solutionSelect.removeAllItems();
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this.currentBundle = null;
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}
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@Override
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@ -202,7 +246,9 @@ public class ShortestPathSolutionPanel extends JPanel
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@Override
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public void onRedrawRequest() {
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// TODO:
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for (int i = 0; i < this.solutionSelect.getItemCount(); ++i) {
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this.solutionSelect.getItemAt(i).updateOverlay(drawing);
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}
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}
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}
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