/*
* Copyright 2011 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.drools.planner.examples.tsp.swingui;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.util.List;
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 org.drools.planner.examples.common.swingui.SolutionPanel;
import org.drools.planner.examples.tsp.domain.CityAssignment;
import org.drools.planner.examples.tsp.domain.TravelingSalesmanTour;
import org.drools.planner.examples.tsp.solver.move.SubTourChangeMove;
/**
* TODO this code is highly unoptimized
*/
public class TspListPanel extends JPanel {
private static final Color HEADER_COLOR = Color.YELLOW;
private final TspPanel tspPanel;
public TspListPanel(TspPanel tspPanel) {
this.tspPanel = tspPanel;
setLayout(new GridLayout(0, 1));
}
public void resetPanel() {
removeAll();
TravelingSalesmanTour travelingSalesmanTour = tspPanel.getTravelingSalesmanTour();
JLabel headerLabel = new JLabel("Tour of " + travelingSalesmanTour.getName());
headerLabel.setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createLineBorder(Color.DARK_GRAY),
BorderFactory.createEmptyBorder(2, 2, 2, 2)));
headerLabel.setBackground(HEADER_COLOR);
headerLabel.setOpaque(true);
add(headerLabel);
if (travelingSalesmanTour.isInitialized()) {
for (CityAssignment cityAssignment : travelingSalesmanTour.getCityAssignmentList()) {
JPanel cityAssignmentPanel = new JPanel(new GridLayout(1, 2));
JButton button = new JButton(new CityAssignmentAction(cityAssignment));
cityAssignmentPanel.add(button);
JLabel distanceLabel = new JLabel("Distance to next: "
+ cityAssignment.getDistanceToNextCityAssignment());
cityAssignmentPanel.add(distanceLabel);
add(cityAssignmentPanel);
}
}
}
private class CityAssignmentAction extends AbstractAction {
private CityAssignment cityAssignment;
public CityAssignmentAction(CityAssignment cityAssignment) {
super(cityAssignment.getCity().toString());
this.cityAssignment = cityAssignment;
}
public void actionPerformed(ActionEvent e) {
JPanel listFieldsPanel = new JPanel(new GridLayout(2, 1));
List<CityAssignment> afterCityAssignmentList = tspPanel.getTravelingSalesmanTour().getCityAssignmentList();
JComboBox afterCityAssignmentListField = new JComboBox(afterCityAssignmentList.toArray());
afterCityAssignmentListField.setSelectedItem(cityAssignment.getNextCityAssignment());
listFieldsPanel.add(afterCityAssignmentListField);
int result = JOptionPane.showConfirmDialog(TspListPanel.this.getRootPane(), listFieldsPanel,
"Select to move after city", JOptionPane.OK_CANCEL_OPTION);
if (result == JOptionPane.OK_OPTION) {
CityAssignment toAfterCityAssignment = (CityAssignment) afterCityAssignmentListField.getSelectedItem();
tspPanel.doMove(new SubTourChangeMove(cityAssignment, cityAssignment, toAfterCityAssignment));
tspPanel.getWorkflowFrame().updateScreen();
}
}
}
}