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OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains the examples which demonstrate how to use it in a normal Java application.

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package org.optaplanner.examples.flightcrewscheduling.swingui;

import java.awt.BorderLayout;
import java.awt.Desktop;
import java.awt.FlowLayout;
import java.io.File;
import java.io.IOException;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;

import org.optaplanner.examples.common.swingui.SolutionPanel;
import org.optaplanner.examples.flightcrewscheduling.domain.FlightCrewSolution;
import org.optaplanner.examples.flightcrewscheduling.persistence.FlightCrewSchedulingXlsxFileIO;
import org.optaplanner.persistence.common.api.domain.solution.SolutionFileIO;

public class FlightCrewSchedulingPanel extends SolutionPanel {

    public static final String LOGO_PATH =
            "/org/optaplanner/examples/flightcrewscheduling/swingui/flightCrewSchedulingLogo.png";

    private FlightCrewSchedulingWorldPanel flightCrewSchedulingWorldPanel;

    public FlightCrewSchedulingPanel() {
        setLayout(new BorderLayout());
        JPanel buttonPanel = new JPanel(new FlowLayout());
        JButton button = new JButton("Show in LibreOffice or Excel");
        button.addActionListener(event -> {
            SolutionFileIO solutionFileIO = new FlightCrewSchedulingXlsxFileIO();
            File tempFile;
            try {
                tempFile = File.createTempFile(solutionBusiness.getSolutionFileName(),
                        "." + solutionFileIO.getOutputFileExtension());
            } catch (IOException e) {
                throw new IllegalStateException("Failed to create temp file.", e);
            }
            solutionFileIO.write(solutionBusiness.getSolution(), tempFile);
            try {
                Desktop.getDesktop().open(tempFile);
            } catch (IOException e) {
                throw new IllegalStateException("Failed to show temp file (" + tempFile + ") in LibreOffice or Excel.", e);
            }
        });
        buttonPanel.add(button);
        buttonPanel.add(new JLabel("Changes to that file are ignored unless you explicitly save it there and open it here."));
        add(buttonPanel, BorderLayout.NORTH);
        flightCrewSchedulingWorldPanel = new FlightCrewSchedulingWorldPanel(this);
        add(flightCrewSchedulingWorldPanel, BorderLayout.CENTER);
    }

    @Override
    public boolean isWrapInScrollPane() {
        return false;
    }

    @Override
    public void resetPanel(FlightCrewSolution solution) {
        flightCrewSchedulingWorldPanel.resetPanel(solution);
    }

    @Override
    public void updatePanel(FlightCrewSolution solution) {
        flightCrewSchedulingWorldPanel.updatePanel(solution);
    }

}