org.optaplanner.examples.vehiclerouting.swingui.VehicleRoutingWorldPanel Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of optaplanner-examples Show documentation

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.

There is a newer version: 9.44.0.Final

Show newest version

/*
 * Copyright 2012 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.optaplanner.examples.vehiclerouting.swingui;

import java.awt.Graphics;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import javax.swing.JPanel;

import org.optaplanner.examples.common.swingui.latitudelongitude.LatitudeLongitudeTranslator;
import org.optaplanner.examples.vehiclerouting.domain.VrpSchedule;

/**
 * TODO this code is highly unoptimized
 */
public class VehicleRoutingWorldPanel extends JPanel {
    private final VehicleRoutingPanel vehicleRoutingPanel;

    private VehicleRoutingSchedulePainter schedulePainter = new VehicleRoutingSchedulePainter();

    public VehicleRoutingWorldPanel(VehicleRoutingPanel vehicleRoutingPanel) {
        this.vehicleRoutingPanel = vehicleRoutingPanel;
        schedulePainter = new VehicleRoutingSchedulePainter();
        addComponentListener(new ComponentAdapter() {
            @Override
            public void componentResized(ComponentEvent e) {
                // TODO Not thread-safe during solving
                VrpSchedule schedule = VehicleRoutingWorldPanel.this.vehicleRoutingPanel.getSchedule();
                if (schedule != null) {
                    resetPanel(schedule);
                }
            }
        });
        addMouseListener(new MouseAdapter() {
            @Override
            public void mousePressed(MouseEvent e) {
                LatitudeLongitudeTranslator translator = schedulePainter.getTranslator();
                if (translator != null) {
                    double longitude = translator.translateXToLongitude(e.getX());
                    double latitude = translator.translateYToLatitude(e.getY());
                    VehicleRoutingWorldPanel.this.vehicleRoutingPanel.insertLocationAndCustomer(longitude, latitude);
                }
            }
        });
    }

    public void resetPanel(VrpSchedule schedule) {
        schedulePainter.reset(schedule, getSize(), this);
        repaint();
    }

    public void updatePanel(VrpSchedule schedule) {
        resetPanel(schedule);
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        BufferedImage canvas = schedulePainter.getCanvas();
        if (canvas != null) {
            g.drawImage(canvas, 0, 0, this);
        }
    }

}