selectlevels.java

一个飞机调度员模拟训练程序,可以添加跑道数量,控制飞机飞行的速度.默认的密码可以在AtcSystem类里面修改,其中内置了三个用户名.这套系统是我和几个国外同学合力开发的,希望对大家有帮助

import java.io.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
/**
 * Write a description of class System here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class SelectLevels implements ActionListener
{
    static SelectLevels singleton;
    User currentUser;

    JButton ok;
    JButton cancel;
    JButton logout; 
    JButton chooseLevel; 
    JButton results;
    JButton clear;
    JButton editLevel; 
    JButton viewReports;
    JButton manageUsers;
    JButton startLevel;
    JButton left;
    JButton right;
    JButton queue;
    JButton land;
    JButton pause;
    JButton menu;
    JButton print;
    JPasswordField password;
    JComboBox username;
    JComboBox levelBox;
    JTextField levDescription;
    JTextField levRunway;
    JTextField levFreq;
    JTextField levAircraft;
    JFrame frame;
    String[] name;
    String[] runway;
    String[] aircraft;
    String[] frequency;
    String[] description;
    

    SpringLayout layout = new SpringLayout();
    public SelectLevels()
    {
        singleton = this;
        ArrayList<Level> l = Level.getLevels();
        
        
        
        
        frame = new JFrame();
        frame.setSize(800,600);
        
        Container content = frame.getContentPane();
        content.setLayout(layout);
        
        int n = l.size();
        name = new String[n];
        runway = new String[n];
        aircraft = new String[n];
        frequency = new String[n];
        description = new String[n];
        for(int i = 0; i < l.size(); i++)
        {
            name[i] = l.get(i).name;
            runway[i] = String.valueOf(l.get(i).runways);
            aircraft[i] = String.valueOf(l.get(i).numberOfAircraft);
            frequency[i] = String.valueOf(l.get(i).frequency);
            description[i] = l.get(i).description;
        }
        
        
        
        levelBox = new JComboBox();
        levDescription = new JTextField(15);
        levRunway = new JTextField(15);
        levFreq = new JTextField(15);
        levAircraft = new JTextField(15);
        JLabel desLabel = new JLabel("Description: ");
        JLabel runLabel = new JLabel("Runways: ");
        JLabel freqLabel = new JLabel("Aircraft Frequency: ");
        JLabel levLabel = new JLabel("Levels: ");
        JLabel airLabel = new JLabel("no of Aircraft: ");
        JLabel title = new JLabel("Level Selection");
        title.setFont(new Font(null,Font.BOLD,32));
        
        content.add(title);
        content.add(levLabel);
        content.add(levelBox);
        content.add(desLabel);
        content.add(levDescription);
        content.add(runLabel);
        content.add(levRunway);
        content.add(freqLabel);
        content.add(levFreq);
        content.add(airLabel);
        content.add(levAircraft);
        
        for (Level lev : Level.levels)
        {
            levelBox.addItem(lev);
        }
        
        
        startLevel = new JButton("Start");
        menu = new JButton("menu");
        content.add(startLevel);
        content.add(menu);
        
        startLevel.addActionListener(this);
        menu.addActionListener(this);
        levelBox.addActionListener(this);
        
        levelBox.setSelectedIndex(0);
        
        layout.putConstraint(SpringLayout.WEST, title, 200, SpringLayout.WEST, content);
        layout.putConstraint(SpringLayout.NORTH, title, 50, SpringLayout.NORTH, content);
        
        layout.putConstraint(SpringLayout.WEST, levelBox, 100, SpringLayout.WEST, title);
        layout.putConstraint(SpringLayout.NORTH, levelBox, 10, SpringLayout.SOUTH, title);
        
        layout.putConstraint(SpringLayout.WEST, levDescription, 0, SpringLayout.WEST, levelBox);
        layout.putConstraint(SpringLayout.NORTH, levDescription, 10, SpringLayout.SOUTH, levelBox);
        
        layout.putConstraint(SpringLayout.WEST, levRunway, 0, SpringLayout.WEST, levDescription);
        layout.putConstraint(SpringLayout.NORTH, levRunway, 10, SpringLayout.SOUTH, levDescription);
        
        layout.putConstraint(SpringLayout.WEST, levFreq, 0, SpringLayout.WEST, levRunway);
        layout.putConstraint(SpringLayout.NORTH, levFreq, 10, SpringLayout.SOUTH, levRunway);
        
        layout.putConstraint(SpringLayout.WEST, levAircraft, 0, SpringLayout.WEST, levFreq);
        layout.putConstraint(SpringLayout.NORTH, levAircraft, 10, SpringLayout.SOUTH, levFreq);
        
        layout.putConstraint(SpringLayout.EAST, levLabel, -5, SpringLayout.WEST, levelBox);
        layout.putConstraint(SpringLayout.SOUTH, levLabel, 0, SpringLayout.SOUTH, levelBox);
        
        layout.putConstraint(SpringLayout.EAST, desLabel, -5, SpringLayout.WEST, levDescription);
        layout.putConstraint(SpringLayout.SOUTH, desLabel, 0, SpringLayout.SOUTH, levDescription);
        
        layout.putConstraint(SpringLayout.EAST, runLabel, -5, SpringLayout.WEST, levRunway);
        layout.putConstraint(SpringLayout.SOUTH, runLabel, 0, SpringLayout.SOUTH, levRunway);
        
        layout.putConstraint(SpringLayout.EAST, freqLabel, -5, SpringLayout.WEST, levFreq);
        layout.putConstraint(SpringLayout.SOUTH, freqLabel, 0, SpringLayout.SOUTH, levFreq);
        
        layout.putConstraint(SpringLayout.EAST, airLabel, -5, SpringLayout.WEST, levAircraft);
        layout.putConstraint(SpringLayout.SOUTH, airLabel, 0, SpringLayout.SOUTH, levAircraft);
        
        layout.putConstraint(SpringLayout.NORTH, startLevel, 500, SpringLayout.NORTH, content);
        layout.putConstraint(SpringLayout.NORTH, menu, 500, SpringLayout.NORTH, content);
        
        layout.putConstraint(SpringLayout.EAST, menu, -50, SpringLayout.EAST, content);
        layout.putConstraint(SpringLayout.EAST, startLevel, -20, SpringLayout.WEST, menu);
        
        frame.setTitle("Level Selection");
        
        frame.setLocationRelativeTo(null);       
        makeVisible();
        
    }   
    
    public void makeVisible()
    {
        frame.setVisible(true);
        frame.setResizable(false);         
    }
    
    public static void show()
    {
        if (!(singleton == null)) { singleton.makeVisible(); } else { new SelectLevels(); }
    }
    
    public void actionPerformed(ActionEvent event) {
 
        
        if (event.getSource().equals(startLevel)) {SimulationGUI s = new SimulationGUI((Level) levelBox.getSelectedItem());frame.setVisible(false); }
        
        if (event.getSource().equals(menu)) {UserOptions.show();frame.setVisible(false);}
        if (event.getSource().equals(levelBox)) {
            levDescription.setText(   ((Level)levelBox.getSelectedItem()).getDescription()   );
            levRunway.setText(String.valueOf( ((Level)levelBox.getSelectedItem()).getRunways() ));
            levFreq.setText(String.valueOf(((Level)levelBox.getSelectedItem()).getFrequency()  ) );
            levAircraft.setText(String.valueOf( ((Level)levelBox.getSelectedItem()).getNumberOfAircraft() ));
        }
        }
        //((Level)levelBox.getSelectedItem()).getDescription(), 
    
}