GUI JFRAMEFORM WITH OOP MANAGER

UI CLASS WITH MAIN METHOD


/*
 * Random number generator - game of chance
 * Supply your full name correctly - complusory
 * Play.
 * Your score allocates you to a community service
 * Your combined score is used to award you a prize
 * OOP - all methods must be in the manager class
 * The UI class has the GUI and the main method
 */
package mandeladayoop;

import javax.swing.JOptionPane;

public class MandelaDayUI extends javax.swing.JFrame {

    private static MandelaDayOOPManager mdm = new MandelaDayOOPManager();
    
        // Global variable
        private static String name = "";
        private static boolean nameProcessed = false;
        private static boolean playProcessed = false;
        private static boolean serviceProcessed = false;
        private static boolean allCorrect = false;

    public MandelaDayUI() {

        initComponents();
        this.setLocationRelativeTo(this);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        pnlPanel = new javax.swing.JPanel();
        txfHeading = new javax.swing.JLabel();
        txforphanage = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        txfprison = new javax.swing.JLabel();
        txfspcanumber = new javax.swing.JTextField();
        txforphanagenumber = new javax.swing.JTextField();
        txfprisonnumber = new javax.swing.JTextField();
        btnplay = new javax.swing.JButton();
        btnService = new javax.swing.JButton();
        btnPrize = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        txfName = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        txfServices = new javax.swing.JTextField();
        btnNext = new javax.swing.JButton();
        lblprize = new javax.swing.JLabel();
        txfPrize = new javax.swing.JTextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        pnlPanel.setBackground(new java.awt.Color(204, 255, 204));
        pnlPanel.setBorder(javax.swing.BorderFactory.createEtchedBorder());

        txfHeading.setFont(new java.awt.Font("Gadugi", 1, 18)); // NOI18N
        txfHeading.setText("Mandela Day - 67 minutes of service");

        txforphanage.setFont(new java.awt.Font("Gadugi", 1, 14)); // NOI18N
        txforphanage.setText("Orphanage");

        jLabel2.setFont(txforphanage.getFont());
        jLabel2.setText("SPCA");

        txfprison.setFont(txforphanage.getFont());
        txfprison.setText("Prison");

        txfspcanumber.setEditable(false);
        txfspcanumber.setFont(new java.awt.Font("Gadugi", 1, 48)); // NOI18N
        txfspcanumber.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        txfspcanumber.setMinimumSize(new java.awt.Dimension(59, 20));

        txforphanagenumber.setEditable(false);
        txforphanagenumber.setFont(new java.awt.Font("Gadugi", 1, 48)); // NOI18N
        txforphanagenumber.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        txforphanagenumber.setPreferredSize(new java.awt.Dimension(59, 20));

        txfprisonnumber.setEditable(false);
        txfprisonnumber.setFont(txforphanagenumber.getFont());
        txfprisonnumber.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        txfprisonnumber.setPreferredSize(new java.awt.Dimension(59, 20));

        btnplay.setFont(txforphanage.getFont());
        btnplay.setText("Play");
        btnplay.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnplayActionPerformed(evt);
            }
        });

        btnService.setFont(txforphanage.getFont());
        btnService.setText("Service");
        btnService.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnServiceActionPerformed(evt);
            }
        });

        btnPrize.setFont(txforphanage.getFont());
        btnPrize.setText("Prize");
        btnPrize.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnPrizeActionPerformed(evt);
            }
        });

        jLabel1.setFont(txforphanage.getFont());
        jLabel1.setText("Name");

        txfName.setFont(txforphanage.getFont());
        txfName.setToolTipText("First name and last name");
        txfName.setNextFocusableComponent(btnplay);

        jLabel3.setFont(txforphanage.getFont());
        jLabel3.setText("Service");

        txfServices.setEditable(false);
        txfServices.setFont(txforphanage.getFont());

        btnNext.setFont(txforphanage.getFont());
        btnNext.setText("Next");
        btnNext.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnNextActionPerformed(evt);
            }
        });

        lblprize.setFont(txforphanage.getFont());
        lblprize.setText("Prize");

        txfPrize.setFont(txforphanage.getFont());

        javax.swing.GroupLayout pnlPanelLayout = new javax.swing.GroupLayout(pnlPanel);
        pnlPanel.setLayout(pnlPanelLayout);
        pnlPanelLayout.setHorizontalGroup(
            pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(pnlPanelLayout.createSequentialGroup()
                .addGap(28, 28, 28)
                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, pnlPanelLayout.createSequentialGroup()
                        .addComponent(txforphanage)
                        .addGap(76, 76, 76)
                        .addComponent(jLabel2)
                        .addGap(84, 84, 84)
                        .addComponent(txfprison))
                    .addGroup(pnlPanelLayout.createSequentialGroup()
                        .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(pnlPanelLayout.createSequentialGroup()
                                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                    .addGroup(pnlPanelLayout.createSequentialGroup()
                                        .addComponent(jLabel1)
                                        .addGap(26, 26, 26)
                                        .addComponent(txfName))
                                    .addGroup(pnlPanelLayout.createSequentialGroup()
                                        .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                            .addGroup(pnlPanelLayout.createSequentialGroup()
                                                .addComponent(btnplay, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addGap(63, 63, 63))
                                            .addGroup(pnlPanelLayout.createSequentialGroup()
                                                .addComponent(txforphanagenumber, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                                .addGap(57, 57, 57)))
                                        .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                            .addComponent(btnService, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                            .addComponent(txfspcanumber, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
                                .addGap(43, 43, 43)
                                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                    .addComponent(txfprisonnumber, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                    .addComponent(btnPrize, javax.swing.GroupLayout.PREFERRED_SIZE, 76, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(btnNext, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                            .addComponent(txfHeading))
                        .addGap(3, 3, 3))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, pnlPanelLayout.createSequentialGroup()
                        .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(pnlPanelLayout.createSequentialGroup()
                                .addComponent(jLabel3)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED))
                            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlPanelLayout.createSequentialGroup()
                                .addComponent(lblprize)
                                .addGap(25, 25, 25)))
                        .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(txfServices)
                            .addComponent(txfPrize))))
                .addContainerGap(39, Short.MAX_VALUE))
        );
        pnlPanelLayout.setVerticalGroup(
            pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(pnlPanelLayout.createSequentialGroup()
                .addComponent(txfHeading, javax.swing.GroupLayout.PREFERRED_SIZE, 43, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(4, 4, 4)
                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(txfName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnNext))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(txforphanage)
                    .addComponent(jLabel2)
                    .addComponent(txfprison))
                .addGap(18, 18, 18)
                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(txforphanagenumber, javax.swing.GroupLayout.DEFAULT_SIZE, 100, Short.MAX_VALUE)
                    .addComponent(txfspcanumber, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(txfprisonnumber, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addGap(18, 18, 18)
                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(btnplay, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(btnService, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(btnPrize, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                .addGap(18, 18, 18)
                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(txfServices, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(pnlPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lblprize)
                    .addComponent(txfPrize, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(16, 16, 16))
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(pnlPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(pnlPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>                        
// Action buttons are always void
// First name and lastname must be present before Next is pressed
// Buttons must be pressed in order from left to right
    
    private void btnplayActionPerformed(java.awt.event.ActionEvent evt) {                                        

        allCorrect = mdm.correctlyProcessed(nameProcessed, name);
        if(allCorrect){
            playProcessed = true;
            String strRandom = mdm.generateRandom();
            txforphanagenumber.setText(strRandom.substring(0,1));
            txfspcanumber.setText(strRandom.substring(2,3));
            txfprisonnumber.setText(strRandom.substring(4,5));
        }
        else JOptionPane.showMessageDialog(null, "Enter full name and press next." + "\n" + 
                "Follow the order of the buttons left to right.");
    }                                       

    private void btnServiceActionPerformed(java.awt.event.ActionEvent evt) {                                           
        if(allCorrect && playProcessed == true) {
            serviceProcessed = true;
            String strService = mdm.allocateService();
            txfServices.setText(strService);
        }
        else JOptionPane.showMessageDialog(null, "Enter full name and press next." + "\n" + 
                "Follow the order of the buttons left to right.");
    }                                          

    private void btnNextActionPerformed(java.awt.event.ActionEvent evt) {                                        
        nameProcessed = true;
        name = (txfName.getText());
        mdm.setTheName(name);
    }                                       

    private void btnPrizeActionPerformed(java.awt.event.ActionEvent evt) {                                         
        if(allCorrect && serviceProcessed == true && playProcessed == true){
            String prize = mdm.allocatePrize();
            txfPrize.setText(prize);
        }

        else JOptionPane.showMessageDialog(null, "Enter full name and press next." + "\n" + 
                "Follow the order of the buttons left to right.");
    }                                        

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(MandelaDayUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(MandelaDayUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(MandelaDayUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(MandelaDayUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new MandelaDayUI().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton btnNext;
    private javax.swing.JButton btnPrize;
    private javax.swing.JButton btnService;
    private javax.swing.JButton btnplay;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel lblprize;
    private javax.swing.JPanel pnlPanel;
    private javax.swing.JLabel txfHeading;
    private javax.swing.JTextField txfName;
    private javax.swing.JTextField txfPrize;
    private javax.swing.JTextField txfServices;
    private javax.swing.JLabel txforphanage;
    private javax.swing.JTextField txforphanagenumber;
    private javax.swing.JLabel txfprison;
    private javax.swing.JTextField txfprisonnumber;
    private javax.swing.JTextField txfspcanumber;
    // End of variables declaration                   
}

==============================================================================

GUI JFRAMEFORM WITH OOP MANAGER

MANAGER CLASS

/*
 * Random number generator - game of chance
 * Supply your full name correctly - complusory
 * Play.
 * Your score allocates you to a community service
 * Your combined score is used to award you a prize
 * OOP - All methods must be in the manager class
 * UI class has the GUI and the main method
 */
package mandeladayoop;

import java.util.Random;

public class MandelaDayOOPManager {
    
    // Global variables
    private static String name = null;
    private static String service = null;
    private static String prize = null;
    private static int[] intArr = new int[3];
	
	==============================================================
    
    public void setTheName(String n)
    {
        this.name = n;
    }
    
	===============================================================
	
    public String generateRandom() {
        // Generate 3 random numbers and store in an array
        Random myRandomNumber = new Random();
        String strArray = "";
        
        // The 3 random integers are parsed here and then returned 
        // as a single string
        for (int i = 0; i < 3; i++) {
            intArr[i]= (myRandomNumber.nextInt(9) + 1); // 1 to 9 inclusive
            String temp = ("" + intArr[i]); // parse int to String
            strArray = strArray + temp + ";";  // build a string equivalent
        } // end for

        return strArray; // return string format is  "int;int;int;"
        
        // returning the array "intArr" also works
        
    } // end generateRandom
	
	=========================================================================
    
    public String allocateService() {
        
        // Biggest of the three numbers indicates the service to be allocated
        // Odds must favour the orphanage and disadvantage the prison
        // Local temp variables make the logic below easier to read
        int firstNumber = intArr[0];
        int secondNumber = intArr[1];
        int thirdNumber = intArr[2]; 
 
        int biggest = 0;
        if (firstNumber > biggest) {
            biggest = firstNumber;
            service = name + " you will visit the orphanage";
        }
        if (secondNumber > biggest) {
            biggest = secondNumber;
            service = name + " you will visit the SPCA";
        }
        if (thirdNumber > biggest) {
            biggest = thirdNumber;
            service = name + " you will visit the Prison";
        }
        
        return service;
    } // end allocateService
	
	===========================================================================
    
    public String allocatePrize() {
        
        // Add the three random numbers together to get the total
        // Higher the total the bigger the prize
        int total = 0; 
        for(int i = 0; i < 2; i++)
            total = total + intArr[i];
        
        if (total <= 10)
            prize = "R100-00 voucher.";
        
        else if (total > 10 && total <= 20)
             prize = "R200-00 voucher.";
        
        else if (total > 20 && total <= 24) 
            prize = "A night at the Hilton Hotel.";
        
        else if (total >= 25)
             prize = "A ticket in the Land Rover draw.";
        
        else prize = "Error";  // never a condition for the final else
       
        return prize;
    } // end allocatePrize
	
	================================================================

    public boolean correctlyProcessed(boolean np, String n){
        
        // The data is checked and processed in one method in one place
        // Has the name been entered?
        // Does the name have a first name and a last name?
        boolean nameProcessed = np;
        String theName = n;
        
        boolean processedCorrect = false;
   
        if(nameProcessed == true && theName.length() > 1 && (theName.indexOf(" ") != -1)){
            
            processedCorrect = true;
        }
        return processedCorrect;
    } // end correctlyProcessed
}
=============================================================================================