import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.io.*;
 /**
 * @author Ran Zhao  
 * @version 09/03/2007
 */
public class AdmMenu implements ActionListener
{
    private static AdmMenu singleton;
    private JFrame frame;
    private JLabel label;
    private JButton jButton1;
    private JButton jButton2;
    private JButton jButton3;
    private JButton jButton4;
    private JButton jButton5;
    private ArrayList<User> u = new ArrayList<User>();

    public AdmMenu()
    {    
        singleton = this;
        //for(int i = 0; i< users.size(); i++)
        for(User a : User.getUsers())
        {
            u.add(a);
        }

        frame = new JFrame("Administrator Options");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(800,600);   
        
        
        Container contentPane = frame.getContentPane();
        SpringLayout layout = new SpringLayout();
        contentPane.setLayout(layout);
        
        
        JLabel label = new JLabel("Administrator Options");
        label.setFont(new Font(null,Font.BOLD,32));
        jButton1 = new JButton("  Edit Levels  ");
        jButton2 = new JButton(" View Report ");
        jButton3 = new JButton("Manage User");
        jButton4 = new JButton("Log Out");
        jButton5 = new JButton("  Exit  ");
        //jButton1.setSize(jButton2.getSize());
        
        contentPane.add(label);
        contentPane.add(jButton1);
        contentPane.add(jButton2);
        contentPane.add(jButton3);
        contentPane.add(jButton4);
        contentPane.add(jButton5);
        
        
       layout.putConstraint(SpringLayout.WEST, label,
                             230,
                             SpringLayout.WEST, contentPane);
        layout.putConstraint(SpringLayout.NORTH, label,
                             50,
                             SpringLayout.NORTH, contentPane);
                             
        layout.putConstraint(SpringLayout.WEST, jButton1,
                             335,
                             SpringLayout.WEST, contentPane);
        layout.putConstraint(SpringLayout.NORTH, jButton1,
                             150,
                             SpringLayout.SOUTH, label);                     
                             
        layout.putConstraint(SpringLayout.WEST, jButton2,
                             335,
                             SpringLayout.WEST, contentPane);
        layout.putConstraint(SpringLayout.NORTH, jButton2,
                             30,
                             SpringLayout.SOUTH, jButton1);           
                             
         layout.putConstraint(SpringLayout.WEST, jButton3,
                             335,
                             SpringLayout.WEST, contentPane);
        layout.putConstraint(SpringLayout.NORTH, jButton3,
                             30,
                             SpringLayout.SOUTH, jButton2);                            
                      
        layout.putConstraint(SpringLayout.EAST, jButton5,
                            -50,
                             SpringLayout.EAST, contentPane);
        layout.putConstraint(SpringLayout.NORTH, jButton4,
                             500,
                             SpringLayout.NORTH, contentPane);      
                             
        layout.putConstraint(SpringLayout.EAST, jButton4,
                            -20,
                             SpringLayout.WEST, jButton5);
        layout.putConstraint(SpringLayout.NORTH, jButton5,
                             500,
                             SpringLayout.NORTH, contentPane);
        
        jButton1.addActionListener(this);
        jButton2.addActionListener(this);
        jButton3.addActionListener(this);
        jButton4.addActionListener(this);
        jButton5.addActionListener(this);
                             
        makeVisible();
    }
    
    public void makeVisible()
    {
        frame.setVisible(true);
        frame.setResizable(false);
        frame.setLocationRelativeTo(null);
    }
    
    public static void show()
    {
        if (!(singleton == null)) { singleton.makeVisible(); } else { new AdmMenu(); }
    }
    
    public void actionPerformed (ActionEvent e)
    {
        if (e.getSource().equals(jButton1)) { LevelEdit.show(); frame.setVisible(false); }
        if (e.getSource().equals(jButton2)) { ReportGenerator.show(); frame.setVisible(false); }
        if (e.getSource().equals(jButton3)) { ManageUsers.show(); frame.setVisible(false); }
        if (e.getSource().equals(jButton4)) { ATCSystem.show(); frame.setVisible(false); }
        if (e.getSource().equals(jButton5)) { System.exit(0); }
    }

}