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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 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.manners2009.swingui;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
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.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import org.optaplanner.core.impl.solution.Solution;
import org.optaplanner.examples.common.swingui.SolutionPanel;
import org.optaplanner.examples.manners2009.domain.HobbyPractician;
import org.optaplanner.examples.manners2009.domain.Manners2009;
import org.optaplanner.examples.manners2009.domain.Seat;
import org.optaplanner.examples.manners2009.domain.SeatDesignation;
import org.optaplanner.examples.manners2009.domain.Table;
/**
* TODO this code is highly unoptimized
*/
public class Manners2009Panel extends SolutionPanel {
private GridLayout gridLayout;
public Manners2009Panel() {
gridLayout = new GridLayout(0, 1);
setLayout(gridLayout);
}
private Manners2009 getManners2009() {
return (Manners2009) solutionBusiness.getSolution();
}
public void resetPanel(Solution solution) {
removeAll();
Manners2009 manners2009 = (Manners2009) solution;
gridLayout.setColumns((int) Math.ceil(Math.sqrt(manners2009.getTableList().size())));
Map seatPanelMap = new HashMap(manners2009.getSeatList().size());
SeatPanel unassignedPanel = new SeatPanel(null);
seatPanelMap.put(null, unassignedPanel);
for (Table table : manners2009.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 : manners2009.getSeatDesignationList()) {
SeatPanel seatPanel = seatPanelMap.get(seatDesignation.getSeat());
seatPanel.addSeatDesignation(seatDesignation);
}
}
private class SeatPanel extends JPanel {
public SeatPanel(Seat seat) {
super(new GridLayout(0, 1));
setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createLineBorder(Color.DARK_GRAY),
BorderFactory.createEmptyBorder(2, 2, 2, 2)));
String seatLabelText = seat == null ? "Unassigned" : "Seat " + seat.getSeatIndexInTable();
add(new JLabel(seatLabelText, SwingConstants.CENTER));
}
public void addSeatDesignation(SeatDesignation seatDesignation) {
JButton button = new JButton(new SeatDesignationAction(seatDesignation));
add(button);
add(new JLabel(seatDesignation.getGuest().getJob().getJobType().getCode() + ": " + seatDesignation.getGuest().getJob().getName(), SwingConstants.CENTER));
StringBuilder hobbyString = new StringBuilder();
for (HobbyPractician hobbyPractician : seatDesignation.getGuest().getHobbyPracticianList()) {
if (hobbyString.length() > 0) {
hobbyString.append(", ");
}
hobbyString.append(hobbyPractician.getHobby().toString());
}
add(new JLabel(hobbyString.toString(), SwingConstants.CENTER));
}
}
private class SeatDesignationAction extends AbstractAction {
private SeatDesignation seatDesignation;
public SeatDesignationAction(SeatDesignation seatDesignation) {
super(seatDesignation.getGuest().getCode() + "(" + seatDesignation.getGuest().getGender().getCode() + ")");
this.seatDesignation = seatDesignation;
}
public void actionPerformed(ActionEvent e) {
List seatDesignationList = getManners2009().getSeatDesignationList();
JComboBox seatDesignationListField = new JComboBox(seatDesignationList.toArray());
seatDesignationListField.setSelectedItem(seatDesignation);
int result = JOptionPane.showConfirmDialog(Manners2009Panel.this.getRootPane(), seatDesignationListField,
"Select seat designation to switch with", JOptionPane.OK_CANCEL_OPTION);
if (result == JOptionPane.OK_OPTION) {
SeatDesignation switchSeatDesignation = (SeatDesignation) seatDesignationListField.getSelectedItem();
// TODO FIXME
throw new UnsupportedOperationException();
// solutionBusiness.doMove(new SwapMove(seatDesignation, switchSeatDesignation));
// solverAndPersistenceFrame.resetScreen();
}
}
}
}