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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.
/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.dinnerparty.swingui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import org.optaplanner.examples.common.swingui.SolutionPanel;
import org.optaplanner.examples.common.swingui.components.LabeledComboBoxRenderer;
import org.optaplanner.examples.dinnerparty.domain.DinnerParty;
import org.optaplanner.examples.dinnerparty.domain.Gender;
import org.optaplanner.examples.dinnerparty.domain.Guest;
import org.optaplanner.examples.dinnerparty.domain.Hobby;
import org.optaplanner.examples.dinnerparty.domain.HobbyPractician;
import org.optaplanner.examples.dinnerparty.domain.Seat;
import org.optaplanner.examples.dinnerparty.domain.SeatDesignation;
import org.optaplanner.examples.dinnerparty.domain.Table;
import org.optaplanner.swing.impl.SwingUtils;
import org.optaplanner.swing.impl.TangoColorFactory;
public class DinnerPartyPanel extends SolutionPanel {
public static final String LOGO_PATH = "/org/optaplanner/examples/dinnerparty/swingui/dinnerPartyLogo.png";
public static final int MALE_FEMALE_ICON_VARIATION = 5;
private GridLayout gridLayout;
private Map hobbyImageIconMap;
private List maleImageIconList;
private List femaleImageIconList;
public DinnerPartyPanel() {
gridLayout = new GridLayout(0, 1);
setLayout(gridLayout);
Hobby[] hobbies = Hobby.values();
hobbyImageIconMap = new HashMap<>(hobbies.length);
for (Hobby hobby : hobbies) {
String imageIconFilename;
switch (hobby) {
case TENNIS:
imageIconFilename = "hobbyTennis.png";
break;
case GOLF:
imageIconFilename = "hobbyGolf.png";
break;
case MOTORCYCLES:
imageIconFilename = "hobbyMotorcycles.png";
break;
case CHESS:
imageIconFilename = "hobbyChess.png";
break;
case POKER:
imageIconFilename = "hobbyPoker.png";
break;
default:
throw new IllegalArgumentException("The hobby (" + hobby + ") is not supported.");
}
hobbyImageIconMap.put(hobby, new ImageIcon(getClass().getResource(imageIconFilename)));
}
maleImageIconList = new ArrayList<>(MALE_FEMALE_ICON_VARIATION);
femaleImageIconList = new ArrayList<>(MALE_FEMALE_ICON_VARIATION);
for (int i = 0; i < MALE_FEMALE_ICON_VARIATION; i++) {
maleImageIconList.add(new ImageIcon(getClass().getResource("guestMale" + i + ".png")));
femaleImageIconList.add(new ImageIcon(getClass().getResource("guestFemale" + i + ".png")));
}
}
@Override
public void resetPanel(DinnerParty dinnerParty) {
removeAll();
TangoColorFactory tangoColorFactory = new TangoColorFactory();
gridLayout.setColumns((int) Math.ceil(Math.sqrt(dinnerParty.getTableList().size())));
Map seatPanelMap = new HashMap<>(dinnerParty.getSeatList().size());
SeatPanel unassignedPanel = new SeatPanel(null);
seatPanelMap.put(null, unassignedPanel);
for (Table table : dinnerParty.getTableList()) {
// Formula: 4(columns - 1) = tableSize
int edgeLength = (int) Math.ceil(((double) (table.getSeatList().size() + 4)) / 4.0);
JPanel tablePanel = new JPanel(new GridLayout(0, edgeLength));
tablePanel.setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createEmptyBorder(5, 5, 5, 5),
BorderFactory.createTitledBorder("Table " + table.getTableIndex())));
add(tablePanel);
for (int y = 0; y < edgeLength; y++) {
for (int x = 0; x < edgeLength; x++) {
int index;
if (y == 0) {
index = x;
} else if (x == (edgeLength - 1)) {
index = (edgeLength - 1) + y;
} else if (y == (edgeLength - 1)) {
index = 2 * (edgeLength - 1) + (edgeLength - 1 - x);
} else if (x == 0) {
index = 3 * (edgeLength - 1) + (edgeLength - 1 - y);
} else {
index = Integer.MAX_VALUE;
}
if (index < table.getSeatList().size()) {
Seat seat = table.getSeatList().get(index);
SeatPanel seatPanel = new SeatPanel(seat);
tablePanel.add(seatPanel);
seatPanelMap.put(seat, seatPanel);
} else {
tablePanel.add(new JPanel());
}
}
}
}
for (SeatDesignation seatDesignation : dinnerParty.getSeatDesignationList()) {
SeatPanel seatPanel = seatPanelMap.get(seatDesignation.getSeat());
seatPanel.setBackground(tangoColorFactory.pickColor(seatDesignation.getGuestJobType()));
seatPanel.setSeatDesignation(seatDesignation);
}
}
private class SeatPanel extends JPanel {
public SeatPanel(Seat seat) {
setLayout(new BorderLayout(5, 0));
setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createLineBorder(Color.DARK_GRAY),
BorderFactory.createEmptyBorder(2, 2, 2, 2)));
SeatDesignation dummySeatDesignation = new SeatDesignation();
dummySeatDesignation.setGuest(null);
dummySeatDesignation.setSeat(seat);
setSeatDesignation(dummySeatDesignation);
}
public void setSeatDesignation(SeatDesignation seatDesignation) {
removeAll();
Guest guest = seatDesignation.getGuest();
if (guest == null) {
add(new JLabel("Empty seat"), BorderLayout.CENTER);
return;
}
JButton button = SwingUtils.makeSmallButton(new JButton(new SeatDesignationAction(seatDesignation)));
add(button, BorderLayout.WEST);
JPanel infoPanel = new JPanel(new GridLayout(0, 1));
infoPanel.setOpaque(false);
infoPanel.add(new JLabel(guest.getName()));
JPanel jobPanel = new JPanel();
jobPanel.setLayout(new BoxLayout(jobPanel, BoxLayout.Y_AXIS));
jobPanel.setOpaque(false);
jobPanel.add(new JLabel(guest.getJob().getJobType().getCode()));
JLabel jobLabel = new JLabel(" " + guest.getJob().getName());
jobLabel.setFont(jobLabel.getFont().deriveFont(jobLabel.getFont().getSize() - 2.0F));
jobPanel.add(jobLabel);
infoPanel.add(jobPanel);
add(infoPanel, BorderLayout.CENTER);
JPanel hobbyPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
hobbyPanel.setOpaque(false);
hobbyPanel.setAlignmentX(CENTER_ALIGNMENT);
for (HobbyPractician hobbyPractician : guest.getHobbyPracticianList()) {
Hobby hobby = hobbyPractician.getHobby();
JLabel hobbyLabel = new JLabel(hobbyImageIconMap.get(hobby));
hobbyLabel.setToolTipText(hobby.getLabel());
hobbyPanel.add(hobbyLabel);
}
add(hobbyPanel, BorderLayout.SOUTH);
}
}
private ImageIcon determineGuestIcon(SeatDesignation seatDesignation) {
Guest guest = seatDesignation.getGuest();
if (guest == null) {
return null;
}
List imageIconList = guest.getGender() == Gender.MALE ? maleImageIconList : femaleImageIconList;
return imageIconList.get(guest.getId().intValue() % imageIconList.size());
}
private class SeatDesignationAction extends AbstractAction {
private SeatDesignation seatDesignation;
public SeatDesignationAction(SeatDesignation seatDesignation) {
super(null, determineGuestIcon(seatDesignation));
this.seatDesignation = seatDesignation;
Seat seat = seatDesignation.getSeat();
if (seat != null) {
// Tooltip
putValue(SHORT_DESCRIPTION, "Guest: " + seatDesignation.getGuest().getName() + "
"
+ "Table: " + seat.getTable().getTableIndex() + "
"
+ "Seat: " + seat.getSeatIndexInTable()
+ "");
}
}
@Override
public void actionPerformed(ActionEvent e) {
List seatDesignationList = getSolution().getSeatDesignationList();
// Add 1 to array size to add null, which makes the entity unassigned
JComboBox seatDesignationListField = new JComboBox(
seatDesignationList.toArray(new Object[seatDesignationList.size() + 1]));
LabeledComboBoxRenderer.applyToComboBox(seatDesignationListField);
seatDesignationListField.setSelectedItem(seatDesignation);
int result = JOptionPane.showConfirmDialog(DinnerPartyPanel.this.getRootPane(), seatDesignationListField,
"Select seat designation to switch with", JOptionPane.OK_CANCEL_OPTION);
if (result == JOptionPane.OK_OPTION) {
SeatDesignation switchSeatDesignation = (SeatDesignation) seatDesignationListField.getSelectedItem();
if (seatDesignation != switchSeatDesignation) {
solutionBusiness.doSwapMove(seatDesignation, switchSeatDesignation);
}
solverAndPersistenceFrame.resetScreen();
}
}
}
}