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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 2020 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.tennis.swingui;
import static org.optaplanner.examples.common.swingui.timetable.TimeTablePanel.HeaderColumnKey.HEADER_COLUMN;
import static org.optaplanner.examples.common.swingui.timetable.TimeTablePanel.HeaderColumnKey.TRAILING_HEADER_COLUMN;
import static org.optaplanner.examples.common.swingui.timetable.TimeTablePanel.HeaderRowKey.HEADER_ROW;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.SwingConstants;
import org.optaplanner.examples.common.swingui.CommonIcons;
import org.optaplanner.examples.common.swingui.SolutionPanel;
import org.optaplanner.examples.common.swingui.components.LabeledComboBoxRenderer;
import org.optaplanner.examples.common.swingui.timetable.TimeTablePanel;
import org.optaplanner.examples.tennis.domain.Day;
import org.optaplanner.examples.tennis.domain.Team;
import org.optaplanner.examples.tennis.domain.TeamAssignment;
import org.optaplanner.examples.tennis.domain.TennisSolution;
import org.optaplanner.examples.tennis.domain.UnavailabilityPenalty;
import org.optaplanner.swing.impl.SwingUtils;
import org.optaplanner.swing.impl.TangoColorFactory;
public class TennisPanel extends SolutionPanel {
public static final String LOGO_PATH = "/org/optaplanner/examples/tennis/swingui/tennisLogo.png";
private final TimeTablePanel datesPanel;
private final TimeTablePanel confrontationsPanel;
public TennisPanel() {
setLayout(new BorderLayout());
JTabbedPane tabbedPane = new JTabbedPane();
datesPanel = new TimeTablePanel<>();
tabbedPane.add("Dates", new JScrollPane(datesPanel));
confrontationsPanel = new TimeTablePanel<>();
tabbedPane.add("Confrontations", new JScrollPane(confrontationsPanel));
add(tabbedPane, BorderLayout.CENTER);
setPreferredSize(PREFERRED_SCROLLABLE_VIEWPORT_SIZE);
}
@Override
public boolean isWrapInScrollPane() {
return false;
}
@Override
public void resetPanel(TennisSolution tennisSolution) {
datesPanel.reset();
confrontationsPanel.reset();
defineGrid(tennisSolution);
fillCells(tennisSolution);
repaint(); // Hack to force a repaint of TimeTableLayout during "refresh screen while solving"
}
private void defineGrid(TennisSolution tennisSolution) {
JButton footprint = SwingUtils.makeSmallButton(new JButton("999999"));
int footprintWidth = footprint.getPreferredSize().width;
datesPanel.defineColumnHeaderByKey(HEADER_COLUMN);
for (Day day : tennisSolution.getDayList()) {
datesPanel.defineColumnHeader(day, footprintWidth);
}
datesPanel.defineColumnHeaderByKey(TRAILING_HEADER_COLUMN); // Assignment count
datesPanel.defineRowHeaderByKey(HEADER_ROW);
for (Team team : tennisSolution.getTeamList()) {
datesPanel.defineRowHeader(team);
}
datesPanel.defineRowHeader(null); // Unassigned
confrontationsPanel.defineColumnHeaderByKey(HEADER_COLUMN);
for (Team team : tennisSolution.getTeamList()) {
confrontationsPanel.defineColumnHeader(team);
}
confrontationsPanel.defineRowHeaderByKey(HEADER_ROW);
for (Team team : tennisSolution.getTeamList()) {
confrontationsPanel.defineRowHeader(team);
}
}
private void fillCells(TennisSolution tennisSolution) {
datesPanel.addCornerHeader(HEADER_COLUMN, HEADER_ROW, createTableHeader(new JLabel("Team")));
fillDayCells(tennisSolution);
fillTeamCells(tennisSolution);
fillUnavailabilityPenaltyCells(tennisSolution);
fillTeamAssignmentCells(tennisSolution);
fillConfrontationCells(tennisSolution);
}
private void fillDayCells(TennisSolution tennisSolution) {
for (Day day : tennisSolution.getDayList()) {
datesPanel.addColumnHeader(day, HEADER_ROW,
createTableHeader(new JLabel(day.getLabel(), SwingConstants.CENTER)));
}
datesPanel.addCornerHeader(TRAILING_HEADER_COLUMN, HEADER_ROW,
createTableHeader(new JLabel("Day count")));
}
private void fillTeamCells(TennisSolution tennisSolution) {
Map teamToDayCountMap = extractTeamToDayCountMap(tennisSolution);
for (Team team : tennisSolution.getTeamList()) {
datesPanel.addRowHeader(HEADER_COLUMN, team,
createTableHeader(new JLabel(team.getLabel())));
datesPanel.addRowHeader(TRAILING_HEADER_COLUMN, team,
createTableHeader(new JLabel(teamToDayCountMap.get(team) + " days")));
confrontationsPanel.addColumnHeader(team, HEADER_ROW,
createTableHeader(new JLabel(team.getLabel())));
confrontationsPanel.addRowHeader(HEADER_COLUMN, team,
createTableHeader(new JLabel(team.getLabel())));
}
datesPanel.addRowHeader(HEADER_COLUMN, null,
createTableHeader(new JLabel("Unassigned")));
}
private Map extractTeamToDayCountMap(TennisSolution tennisSolution) {
Map teamToDayCountMap = new HashMap<>(tennisSolution.getTeamList().size());
for (Team team : tennisSolution.getTeamList()) {
teamToDayCountMap.put(team, 0);
}
for (TeamAssignment teamAssignment : tennisSolution.getTeamAssignmentList()) {
Team team = teamAssignment.getTeam();
if (team != null) {
int count = teamToDayCountMap.get(team);
count++;
teamToDayCountMap.put(team, count);
}
}
return teamToDayCountMap;
}
private void fillUnavailabilityPenaltyCells(TennisSolution tennisSolution) {
for (UnavailabilityPenalty unavailabilityPenalty : tennisSolution.getUnavailabilityPenaltyList()) {
JPanel unavailabilityPanel = new JPanel();
unavailabilityPanel.setBackground(TangoColorFactory.ALUMINIUM_4);
datesPanel.addCell(unavailabilityPenalty.getDay(), unavailabilityPenalty.getTeam(),
unavailabilityPanel);
}
}
private void fillTeamAssignmentCells(TennisSolution tennisSolution) {
TangoColorFactory tangoColorFactory = new TangoColorFactory();
for (Team team : tennisSolution.getTeamList()) {
tangoColorFactory.pickColor(team);
}
for (TeamAssignment teamAssignment : tennisSolution.getTeamAssignmentList()) {
Team team = teamAssignment.getTeam();
Color teamColor = team == null ? TangoColorFactory.SCARLET_1 : tangoColorFactory.pickColor(team);
datesPanel.addCell(teamAssignment.getDay(), team,
createButton(teamAssignment, teamColor));
}
}
private void fillConfrontationCells(TennisSolution tennisSolution) {
List teamList = tennisSolution.getTeamList();
List dayList = tennisSolution.getDayList();
Map> dayToTeamAssignmentListMap = new HashMap<>(
dayList.size());
for (Day day : dayList) {
dayToTeamAssignmentListMap.put(day, new ArrayList<>());
}
for (TeamAssignment teamAssignment : tennisSolution.getTeamAssignmentList()) {
dayToTeamAssignmentListMap.get(teamAssignment.getDay()).add(teamAssignment);
}
Map, Integer> teamPairToConfrontationCountMap = new HashMap<>();
for (Team left : teamList) {
for (Team right : teamList) {
if (left != right) {
List teamPair = Arrays.asList(left, right);
teamPairToConfrontationCountMap.put(teamPair, 0);
}
}
}
for (List teamAssignmentSubList : dayToTeamAssignmentListMap.values()) {
for (TeamAssignment left : teamAssignmentSubList) {
if (left.getTeam() != null) {
for (TeamAssignment right : teamAssignmentSubList) {
if (right.getTeam() != null && left.getTeam() != right.getTeam()) {
List teamPair = Arrays.asList(left.getTeam(), right.getTeam());
int confrontationCount = teamPairToConfrontationCountMap.get(teamPair);
confrontationCount++;
teamPairToConfrontationCountMap.put(teamPair, confrontationCount);
}
}
}
}
}
for (Map.Entry, Integer> teamPairToConfrontationCount : teamPairToConfrontationCountMap.entrySet()) {
List teamPair = teamPairToConfrontationCount.getKey();
int confrontationCount = teamPairToConfrontationCount.getValue();
confrontationsPanel.addCell(teamPair.get(0), teamPair.get(1),
createTableHeader(new JLabel(Integer.toString(confrontationCount))));
}
}
private JPanel createTableHeader(JLabel label) {
JPanel headerPanel = new JPanel(new BorderLayout());
headerPanel.add(label, BorderLayout.NORTH);
headerPanel.setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createLineBorder(TangoColorFactory.ALUMINIUM_5),
BorderFactory.createEmptyBorder(2, 2, 2, 2)));
return headerPanel;
}
private JButton createButton(TeamAssignment teamAssignment, Color color) {
JButton button = SwingUtils.makeSmallButton(new JButton(new TeamAssignmentAction(teamAssignment)));
button.setBackground(color);
if (teamAssignment.isPinned()) {
button.setIcon(CommonIcons.PINNED_ICON);
}
return button;
}
private class TeamAssignmentAction extends AbstractAction {
private TeamAssignment teamAssignment;
public TeamAssignmentAction(TeamAssignment teamAssignment) {
super("Play");
this.teamAssignment = teamAssignment;
}
@Override
public void actionPerformed(ActionEvent e) {
JPanel listFieldsPanel = new JPanel(new GridLayout(2, 2));
listFieldsPanel.add(new JLabel("Team:"));
List teamList = getSolution().getTeamList();
// Add 1 to array size to add null, which makes the entity unassigned
JComboBox teamListField = new JComboBox(
teamList.toArray(new Object[teamList.size() + 1]));
LabeledComboBoxRenderer.applyToComboBox(teamListField);
teamListField.setSelectedItem(teamAssignment.getTeam());
listFieldsPanel.add(teamListField);
listFieldsPanel.add(new JLabel("Pinned:"));
JCheckBox pinnedField = new JCheckBox("can not move during solving");
pinnedField.setSelected(teamAssignment.isPinned());
listFieldsPanel.add(pinnedField);
int result = JOptionPane.showConfirmDialog(TennisPanel.this.getRootPane(), listFieldsPanel,
"Select team", JOptionPane.OK_CANCEL_OPTION);
if (result == JOptionPane.OK_OPTION) {
Team toTeam = (Team) teamListField.getSelectedItem();
if (teamAssignment.getTeam() != toTeam) {
solutionBusiness.doChangeMove(teamAssignment, "team", toTeam);
}
boolean toPinned = pinnedField.isSelected();
if (teamAssignment.isPinned() != toPinned) {
if (solutionBusiness.isSolving()) {
logger.error("Not doing user change because the solver is solving.");
return;
}
teamAssignment.setPinned(toPinned);
}
solverAndPersistenceFrame.resetScreen();
}
}
}
}