clearancedeliverypanel.java.svn-base

這是一個JAVA語言寫的多代理人程式用來模擬飛機起飛或是降落的程式

package gui;

import javax.swing.*;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

import world.*;
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;

public class ClearanceDeliveryPanel extends JPanel implements ListSelectionListener {

	// constant variables
	private final int MAX_HEIGHT = 500;
	private final int MAX_FLIGHT_WIDTH = 150;
	private final int MAX_DESTINATION_WIDTH = 150;
	private final int MAX_PROCEDURE_WIDTH = 150;
	private final int MAX_TRANSITION_WIDTH = 150;

	private final int X_PADDING = 0;
	private final int Y_PADDING = 0;

	// variables
	public int indexFlight, indexDestination;
	public JList flight, destination, gate;
	public DefaultListModel listFlight, listDestination, listGate;
	private JLabel labelFlight, labelDestination, labelGate;
	public JScrollPane scrollFlight, scrollDestination, scrollGate; 
	public JButton buttonApprove;
	
	// default constructor
	public ClearanceDeliveryPanel() {
		// initialize
		setLayout(new GridBagLayout());
		listFlight = new DefaultListModel();
		listGate = new DefaultListModel();
		listDestination = new DefaultListModel();

		flight = new JList(listFlight);
		gate = new JList(listGate);
		destination = new JList(listDestination);

		labelFlight = new JLabel("Flight");
		labelGate = new JLabel("Gate");
		labelDestination = new JLabel("Destination");

		scrollFlight = new JScrollPane(flight); 
		scrollGate = new JScrollPane(gate);
		scrollDestination = new JScrollPane(destination); 

		buttonApprove = new JButton("Send Approval");
		
		scrollFlight.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
		scrollGate.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
		scrollDestination.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);


		scrollFlight.setPreferredSize(new Dimension(MAX_FLIGHT_WIDTH, MAX_HEIGHT));
		scrollGate.setPreferredSize(new Dimension(MAX_FLIGHT_WIDTH, MAX_HEIGHT));
		scrollDestination.setPreferredSize(new Dimension(MAX_DESTINATION_WIDTH, MAX_HEIGHT));

		flight.addListSelectionListener(this);
		gate.addListSelectionListener(this);
		destination.addListSelectionListener(this);

		flight.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		gate.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		destination.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		
		// build panel
		buildPanel();
	}

	// builds panels
	private void buildPanel() {
		GridBagConstraints c = new GridBagConstraints();
		c.fill = GridBagConstraints.BOTH;
		c.gridx = 0;
		c.gridy = 0;
		//c.anchor = GridBagConstraints.CENTER;
		//c.insets = new Insets(0,0,Y_PADDING,X_PADDING);
		add(labelFlight,c);		

		c.fill = GridBagConstraints.BOTH;
		c.gridx = 1;
		c.gridy = 0;
		//c.insets = new Insets(0,0,Y_PADDING,0);
		add(labelDestination,c);

		c.fill = GridBagConstraints.BOTH;
		c.gridx = 0;
		c.gridy = 1;
		c.insets = new Insets(0,0,0,X_PADDING);
		add(scrollFlight,c);

		c.fill = GridBagConstraints.BOTH;
		c.gridx = 1;
		c.gridy = 1;
		//c.insets = new Insets(0,0,0,X_PADDING);
		add(scrollDestination,c);
		
		c.fill = GridBagConstraints.BOTH;
		c.gridx = 2;
		c.gridy = 0;
		//c.insets = new Insets(0,0,0,0);
		add(buttonApprove, c);
	}
	
	public void addFlight(String callNumber) {
		listFlight.addElement(callNumber);
	}
	
	public void setDestinations(String[] destinations) {
		for(int i = 0; i < destinations.length; i++) {
			listDestination.addElement(destinations[i]);
		}
	}

	public void valueChanged(ListSelectionEvent e) {	
		
		if (e.getValueIsAdjusting() == true) {
			indexFlight = flight.getSelectedIndex();
			indexDestination = destination.getSelectedIndex();
		}	
		
	}



}