Travel Agency – Data Structures Exercise – AGNIESZKA PRZYGOCKA

A travel agency has advertised a massive price drop for all summer holiday destinations. To avail of the offer, customers have to dial in and place a reservation over the phone. The agency’s telephone system is managed by a single sales agent. When the sales agent is busy talking to a customer, other potential customers are dialling in. In order not to lose these customers a robot asks the customers to give a few personal details and to hold the line. Each customer has to give their name and the budget in Euro per person they are willing to spend. The system is built so that customers willing to spend more are served first. When the number of waiting customers is higher than 5, the sales agent is informed to speed up the discussion as some of the waiting customers may become impatient and drop the call.

A GUI implementation of such application should allow to:

input the details of a new waiting customer and alert the agent when the number of waiting customers is higher than 5;
printout the number of waiting customers and each waiting customer’s details;
accept the call of the next waiting customer (i.e. the one allocating the highest travel budget), and printout his/her name.

It is necessary to:

Identify the Data Structure to be used as a solution to store the waiting customers.
Design and develop a suitable GUI for the application
Implement a Java application that solves the problem, making use of the identified data structure. Test the application to make sure it works correctly.

TravelAgencyTester

package travelagency;


public class TravelAgencyTester {


    public static void main(String[] args) {
        // TODO code application logic here
        TraveAgencyGUI myTravelAgency = new TraveAgencyGUI();
        myTravelAgency.setVisible(true);
    }
    
}

package travelagency;

public class TravelAgencyTester {

public static void main(String[] args) {

// TODO code application logic here

TraveAgencyGUI myTravelAgency = new TraveAgencyGUI();

myTravelAgency.setVisible(true);

}

MyPriorityQueue

package travelagency;

import java.util.*;


public class MyPriorityQueue implements PQInterface
{
    private ArrayList<PQElement> thePQueue;
    
    public MyPriorityQueue() {
        thePQueue = new ArrayList<PQElement>();    
    } 
    
    public boolean isEmpty() { 
        return thePQueue.isEmpty(); 
    }
  
    public int size(){
	  return thePQueue.size();
    }

    private int findInsertPosition(int newkey)
      {
          boolean found;
          PQElement elem;
          int position;
          found = false;
          position =0;
          while (position<thePQueue.size() && !found)
          {
            elem = thePQueue.get(position);
            if(elem.getKey()>newkey)  
                position = position +1;
            else
            {
                found = true;
            }
          }
         return position;
        }
    
    // new element with a given key and element information will be added 
    public void enqueue(int priorkey, Object item)
    {
        int index;
        PQElement elem = new PQElement(priorkey,item);
        
        index = findInsertPosition(priorkey);

        if (index > size())
            thePQueue.add(elem);
        else
            thePQueue.add(index, elem);
    }



    //the first element has the highest priority
    public Object dequeue()
    {
       return ((thePQueue.remove(0)).getElement());
    }
    
    
    public void printPQueue()
    {
        PQElement elem;
        for (int i = 0; i<thePQueue.size();i++)
        {
            elem = thePQueue.get(i);
            System.out.println("Key ="+elem.getKey()+" Element="+elem.getElement());
        }
    }
    
    public String getPQueueToString () {
        PQElement elem;
        String formattedPQueueElements = new String("");
        for (int i = 0; i<thePQueue.size();i++)
        {
            elem = thePQueue.get(i);
            formattedPQueueElements = formattedPQueueElements.concat("Budget ="+elem.getKey()+" Name= "+elem.getElement() + "\n");
        }
        return formattedPQueueElements;
    }
 }

package travelagency;

import java.util.*;

public class MyPriorityQueue implements PQInterface

{

private ArrayList<PQElement> thePQueue;

public MyPriorityQueue() {

thePQueue = new ArrayList<PQElement>();

}

public boolean isEmpty() {

return thePQueue.isEmpty();

}

public int size(){

return thePQueue.size();

}

private int findInsertPosition(int newkey)

{

boolean found;

PQElement elem;

int position;

found = false;

position =0;

while (position<thePQueue.size() && !found)

{

elem = thePQueue.get(position);

if(elem.getKey()>newkey)

position = position +1;

else

{

found = true;

}

return position;

}

// new element with a given key and element information will be added

public void enqueue(int priorkey, Object item)

{

int index;

PQElement elem = new PQElement(priorkey,item);

index = findInsertPosition(priorkey);

if (index > size())

thePQueue.add(elem);

else

thePQueue.add(index, elem);

}

//the first element has the highest priority

public Object dequeue()

{

return ((thePQueue.remove(0)).getElement());

}

public void printPQueue()

{

PQElement elem;

for (int i = 0; i<thePQueue.size();i++)

{

elem = thePQueue.get(i);

System.out.println("Key ="+elem.getKey()+" Element="+elem.getElement());

}

public String getPQueueToString () {

PQElement elem;

String formattedPQueueElements = new String("");

for (int i = 0; i<thePQueue.size();i++)

{

elem = thePQueue.get(i);

formattedPQueueElements = formattedPQueueElements.concat("Budget ="+elem.getKey()+" Name= "+elem.getElement() + "\n");

}

return formattedPQueueElements;

}

PQInterface

package travelagency;

public interface PQInterface {
    public void enqueue(int key, Object element);
    public int size();
    public boolean isEmpty();
    public Object dequeue();
    public void printPQueue();
    public String getPQueueToString ();
}

package travelagency;

public interface PQInterface {

public void enqueue(int key, Object element);

public int size();

public boolean isEmpty();

public Object dequeue();

public void printPQueue();

public String getPQueueToString ();

}

PQElement

package travelagency;


public class PQElement {
      private int key;
      private Object element;
     

      public PQElement(int priority, Object e){
		key = priority;
                element = e;
	}

      public int getKey() {
		return key;
	}

      public void setKey(int val) {
		key = val;
	}
	
	public Object getElement() {
            return element;
      }

	public void setElement(Object e) {
		element = e;
      }

      public String toString() {
           	return element.toString();
      }
}
       //end of class PQElement

package travelagency;

public class PQElement {

private int key;

private Object element;

public PQElement(int priority, Object e){

key = priority;

element = e;

}

public int getKey() {

return key;

}

public void setKey(int val) {

key = val;

}

public Object getElement() {

return element;

}

public void setElement(Object e) {

element = e;

}

public String toString() {

return element.toString();

}

//end of class PQElement

TraveAgencyGUI

package travelagency;


public class TraveAgencyGUI extends javax.swing.JFrame {

    /**
     * Creates new form TraveAgencyGUI
     */
    MyPriorityQueue myTraveAgencyPQueue;
    public TraveAgencyGUI() {
        myTraveAgencyPQueue = new MyPriorityQueue();
        initComponents();
    }

    /**
     * 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">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jLabel2 = new javax.swing.JLabel();
        name_jTextField = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        budget_jTextField = new javax.swing.JTextField();
        addCustomer_jButton = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        log_jTextArea = new javax.swing.JTextArea();
        printout_jButton = new javax.swing.JButton();
        next_jButton = new javax.swing.JButton();
        exit_jButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));

        jLabel2.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        jLabel2.setText("Customer name:");

        name_jTextField.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                name_jTextFieldActionPerformed(evt);
            }
        });

        jLabel4.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        jLabel4.setText("Budget (Euro/person):");

        budget_jTextField.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                budget_jTextFieldActionPerformed(evt);
            }
        });

        addCustomer_jButton.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        addCustomer_jButton.setText("Add customer to waiting line");
        addCustomer_jButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                addCustomer_jButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel4, javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jLabel2, javax.swing.GroupLayout.Alignment.TRAILING))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                        .addComponent(budget_jTextField)
                        .addComponent(addCustomer_jButton, javax.swing.GroupLayout.DEFAULT_SIZE, 424, Short.MAX_VALUE))
                    .addComponent(name_jTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 424, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(17, 17, 17)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(name_jTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(9, 9, 9)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel4)
                    .addComponent(budget_jTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(addCustomer_jButton)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
        jLabel1.setText("Travel Agency - Telephone line management system");

        jPanel2.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));

        log_jTextArea.setColumns(20);
        log_jTextArea.setRows(5);
        jScrollPane1.setViewportView(log_jTextArea);

        printout_jButton.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        printout_jButton.setText("Printout waiting line info");
        printout_jButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                printout_jButtonActionPerformed(evt);
            }
        });

        next_jButton.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        next_jButton.setText("Take next call");
        next_jButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                next_jButtonActionPerformed(evt);
            }
        });

        exit_jButton.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        exit_jButton.setText("EXIT");
        exit_jButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                exit_jButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane1)
                    .addGroup(jPanel2Layout.createSequentialGroup()
                        .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(printout_jButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(next_jButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(exit_jButton, javax.swing.GroupLayout.PREFERRED_SIZE, 177, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap())
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 189, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addGroup(jPanel2Layout.createSequentialGroup()
                        .addComponent(printout_jButton, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(next_jButton, javax.swing.GroupLayout.PREFERRED_SIZE, 43, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addComponent(exit_jButton, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );

        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()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jLabel1)
                .addGap(44, 44, 44))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(21, 21, 21)
                .addComponent(jLabel1)
                .addGap(29, 29, 29)
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void name_jTextFieldActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_name_jTextFieldActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_name_jTextFieldActionPerformed

    private void budget_jTextFieldActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_budget_jTextFieldActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_budget_jTextFieldActionPerformed

    private void exit_jButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exit_jButtonActionPerformed
        // TODO add your handling code here:
        System.exit(0);
    }//GEN-LAST:event_exit_jButtonActionPerformed

    private void addCustomer_jButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addCustomer_jButtonActionPerformed
        // TODO add your handling code here:
        
        String name = name_jTextField.getText();
        Integer budget = new Integer (budget_jTextField.getText());
        
        myTraveAgencyPQueue.enqueue(budget, name);
        
        name_jTextField.setText("");
        budget_jTextField.setText("");
                
        log_jTextArea.append(name + " spending " + budget + " Euro, was added to the waiting line.\n");
        
        if (myTraveAgencyPQueue.size() >= 5) {
            log_jTextArea.append("Warning! 5 or more customers are waiting!\n");
        }
        
    }//GEN-LAST:event_addCustomer_jButtonActionPerformed

    private void next_jButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_next_jButtonActionPerformed
        // TODO add your handling code here:
        if(!myTraveAgencyPQueue.isEmpty()) {
            String name = (String)myTraveAgencyPQueue.dequeue();
            log_jTextArea.append(name + " is booking now.\n");
        }
        else {
            log_jTextArea.append("No more customers in waiting line. Take a break!\n");
        }
    }//GEN-LAST:event_next_jButtonActionPerformed

    private void printout_jButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_printout_jButtonActionPerformed
        // TODO add your handling code here:
        log_jTextArea.append("Wating line has: " + myTraveAgencyPQueue.size() + " customers.\n");
        log_jTextArea.append(myTraveAgencyPQueue.getPQueueToString());
    }//GEN-LAST:event_printout_jButtonActionPerformed

    /**
     * @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(TraveAgencyGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
//        } catch (InstantiationException ex) {
//            java.util.logging.Logger.getLogger(TraveAgencyGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
//        } catch (IllegalAccessException ex) {
//            java.util.logging.Logger.getLogger(TraveAgencyGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
//        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
//            java.util.logging.Logger.getLogger(TraveAgencyGUI.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 TraveAgencyGUI().setVisible(true);
//            }
//        });
//    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton addCustomer_jButton;
    private javax.swing.JTextField budget_jTextField;
    private javax.swing.JButton exit_jButton;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextArea log_jTextArea;
    private javax.swing.JTextField name_jTextField;
    private javax.swing.JButton next_jButton;
    private javax.swing.JButton printout_jButton;
    // End of variables declaration//GEN-END:variables
}

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package travelagency;

public class TraveAgencyGUI extends javax.swing.JFrame {

/**

* Creates new form TraveAgencyGUI

MyPriorityQueue myTraveAgencyPQueue;

public TraveAgencyGUI() {

myTraveAgencyPQueue = new MyPriorityQueue();

initComponents();

}

/**

* 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">//GEN-BEGIN:initComponents

private void initComponents() {

jPanel1 = new javax.swing.JPanel();

jLabel2 = new javax.swing.JLabel();

name_jTextField = new javax.swing.JTextField();

jLabel4 = new javax.swing.JLabel();

budget_jTextField = new javax.swing.JTextField();

addCustomer_jButton = new javax.swing.JButton();

jLabel1 = new javax.swing.JLabel();

jPanel2 = new javax.swing.JPanel();

jScrollPane1 = new javax.swing.JScrollPane();

log_jTextArea = new javax.swing.JTextArea();

printout_jButton = new javax.swing.JButton();

next_jButton = new javax.swing.JButton();

exit_jButton = new javax.swing.JButton();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jPanel1.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));

jLabel2.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N

jLabel2.setText("Customer name:");

name_jTextField.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

name_jTextFieldActionPerformed(evt);

}

});

jLabel4.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N

jLabel4.setText("Budget (Euro/person):");

budget_jTextField.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

budget_jTextFieldActionPerformed(evt);

}

});

addCustomer_jButton.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N

addCustomer_jButton.setText("Add customer to waiting line");

addCustomer_jButton.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

addCustomer_jButtonActionPerformed(evt);

}

});

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);

jPanel1.setLayout(jPanel1Layout);

jPanel1Layout.setHorizontalGroup(

jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(jLabel4, javax.swing.GroupLayout.Alignment.TRAILING)

.addComponent(jLabel2, javax.swing.GroupLayout.Alignment.TRAILING))

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(budget_jTextField)

.addComponent(addCustomer_jButton, javax.swing.GroupLayout.DEFAULT_SIZE, 424, Short.MAX_VALUE))

.addComponent(name_jTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 424, javax.swing.GroupLayout.PREFERRED_SIZE))

.addContainerGap())

);

jPanel1Layout.setVerticalGroup(

jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel1Layout.createSequentialGroup()

.addGap(17, 17, 17)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel2)

.addComponent(name_jTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(9, 9, 9)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel4)

.addComponent(budget_jTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(addCustomer_jButton)

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

);

jLabel1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N

jLabel1.setText("Travel Agency - Telephone line management system");

jPanel2.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));

log_jTextArea.setColumns(20);

log_jTextArea.setRows(5);

jScrollPane1.setViewportView(log_jTextArea);

printout_jButton.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N

printout_jButton.setText("Printout waiting line info");

printout_jButton.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

printout_jButtonActionPerformed(evt);

}

});

next_jButton.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N

next_jButton.setText("Take next call");

next_jButton.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

next_jButtonActionPerformed(evt);

}

});

exit_jButton.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N

exit_jButton.setText("EXIT");

exit_jButton.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

exit_jButtonActionPerformed(evt);

}

});

javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);

jPanel2.setLayout(jPanel2Layout);

jPanel2Layout.setHorizontalGroup(

jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel2Layout.createSequentialGroup()

.addContainerGap()

.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(jScrollPane1)

.addGroup(jPanel2Layout.createSequentialGroup()

.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(printout_jButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(next_jButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(exit_jButton, javax.swing.GroupLayout.PREFERRED_SIZE, 177, javax.swing.GroupLayout.PREFERRED_SIZE)))

.addContainerGap())

);

jPanel2Layout.setVerticalGroup(

jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel2Layout.createSequentialGroup()

.addContainerGap()

.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 189, Short.MAX_VALUE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addGroup(jPanel2Layout.createSequentialGroup()

.addComponent(printout_jButton, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(next_jButton, javax.swing.GroupLayout.PREFERRED_SIZE, 43, javax.swing.GroupLayout.PREFERRED_SIZE))

.addComponent(exit_jButton, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE))

.addContainerGap())

);

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()

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)

.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel1)

.addGap(44, 44, 44))

);

layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(21, 21, 21)

.addComponent(jLabel1)

.addGap(29, 29, 29)

.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addContainerGap())

);

pack();

}// </editor-fold>//GEN-END:initComponents

private void name_jTextFieldActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_name_jTextFieldActionPerformed

// TODO add your handling code here:

}//GEN-LAST:event_name_jTextFieldActionPerformed

private void budget_jTextFieldActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_budget_jTextFieldActionPerformed

// TODO add your handling code here:

}//GEN-LAST:event_budget_jTextFieldActionPerformed

private void exit_jButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exit_jButtonActionPerformed

// TODO add your handling code here:

System.exit(0);

}//GEN-LAST:event_exit_jButtonActionPerformed

private void addCustomer_jButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addCustomer_jButtonActionPerformed

// TODO add your handling code here:

String name = name_jTextField.getText();

Integer budget = new Integer (budget_jTextField.getText());

myTraveAgencyPQueue.enqueue(budget, name);

name_jTextField.setText("");

budget_jTextField.setText("");

log_jTextArea.append(name + " spending " + budget + " Euro, was added to the waiting line.\n");

if (myTraveAgencyPQueue.size() >= 5) {

log_jTextArea.append("Warning! 5 or more customers are waiting!\n");

}

}//GEN-LAST:event_addCustomer_jButtonActionPerformed

private void next_jButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_next_jButtonActionPerformed

// TODO add your handling code here:

if(!myTraveAgencyPQueue.isEmpty()) {

String name = (String)myTraveAgencyPQueue.dequeue();

log_jTextArea.append(name + " is booking now.\n");

}

else {

log_jTextArea.append("No more customers in waiting line. Take a break!\n");

}

}//GEN-LAST:event_next_jButtonActionPerformed

private void printout_jButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_printout_jButtonActionPerformed

// TODO add your handling code here:

log_jTextArea.append("Wating line has: " + myTraveAgencyPQueue.size() + " customers.\n");

log_jTextArea.append(myTraveAgencyPQueue.getPQueueToString());

}//GEN-LAST:event_printout_jButtonActionPerformed

/**

* @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(TraveAgencyGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

// } catch (InstantiationException ex) {

// java.util.logging.Logger.getLogger(TraveAgencyGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

// } catch (IllegalAccessException ex) {

// java.util.logging.Logger.getLogger(TraveAgencyGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

// } catch (javax.swing.UnsupportedLookAndFeelException ex) {

// java.util.logging.Logger.getLogger(TraveAgencyGUI.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 TraveAgencyGUI().setVisible(true);

// }

// });

// }

// Variables declaration - do not modify//GEN-BEGIN:variables

private javax.swing.JButton addCustomer_jButton;

private javax.swing.JTextField budget_jTextField;

private javax.swing.JButton exit_jButton;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel4;

private javax.swing.JPanel jPanel1;

private javax.swing.JPanel jPanel2;

private javax.swing.JScrollPane jScrollPane1;

private javax.swing.JTextArea log_jTextArea;

private javax.swing.JTextField name_jTextField;

private javax.swing.JButton next_jButton;

private javax.swing.JButton printout_jButton;

// End of variables declaration//GEN-END:variables

}

TravelAgencyGUI.form

<?xml version="1.0" encoding="UTF-8" ?>

<Form version="1.3" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
  <Properties>
    <Property name="defaultCloseOperation" type="int" value="3"/>
  </Properties>
  <SyntheticProperties>
    <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
    <SyntheticProperty name="generateCenter" type="boolean" value="false"/>
  </SyntheticProperties>
  <AuxValues>
    <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="0"/>
    <AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_generateFQN" type="java.lang.Boolean" value="true"/>
    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_i18nAutoMode" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_layoutCodeTarget" type="java.lang.Integer" value="1"/>
    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
  </AuxValues>

  <Layout>
    <DimensionLayout dim="0">
      <Group type="103" groupAlignment="0" attributes="0">
          <Group type="102" alignment="0" attributes="0">
              <EmptySpace max="-2" attributes="0"/>
              <Group type="103" groupAlignment="1" max="-2" attributes="0">
                  <Component id="jPanel2" max="32767" attributes="0"/>
                  <Component id="jPanel1" alignment="1" max="32767" attributes="0"/>
              </Group>
              <EmptySpace max="32767" attributes="0"/>
          </Group>
          <Group type="102" alignment="1" attributes="0">
              <EmptySpace max="32767" attributes="0"/>
              <Component id="jLabel1" min="-2" max="-2" attributes="0"/>
              <EmptySpace min="-2" pref="44" max="-2" attributes="0"/>
          </Group>
      </Group>
    </DimensionLayout>
    <DimensionLayout dim="1">
      <Group type="103" groupAlignment="0" attributes="0">
          <Group type="102" alignment="0" attributes="0">
              <EmptySpace min="-2" pref="21" max="-2" attributes="0"/>
              <Component id="jLabel1" min="-2" max="-2" attributes="0"/>
              <EmptySpace min="-2" pref="29" max="-2" attributes="0"/>
              <Component id="jPanel1" min="-2" max="-2" attributes="0"/>
              <EmptySpace max="-2" attributes="0"/>
              <Component id="jPanel2" max="32767" attributes="0"/>
              <EmptySpace max="-2" attributes="0"/>
          </Group>
      </Group>
    </DimensionLayout>
  </Layout>
  <SubComponents>
    <Container class="javax.swing.JPanel" name="jPanel1">
      <Properties>
        <Property name="border" type="javax.swing.border.Border" editor="org.netbeans.modules.form.editors2.BorderEditor">
          <Border info="org.netbeans.modules.form.compat2.border.BevelBorderInfo">
            <BevelBorder/>
          </Border>
        </Property>
      </Properties>

      <Layout>
        <DimensionLayout dim="0">
          <Group type="103" groupAlignment="0" attributes="0">
              <Group type="102" alignment="1" attributes="0">
                  <EmptySpace max="32767" attributes="0"/>
                  <Group type="103" groupAlignment="0" attributes="0">
                      <Component id="jLabel4" alignment="1" min="-2" max="-2" attributes="0"/>
                      <Component id="jLabel2" alignment="1" min="-2" max="-2" attributes="0"/>
                  </Group>
                  <EmptySpace max="-2" attributes="0"/>
                  <Group type="103" groupAlignment="0" attributes="0">
                      <Group type="103" groupAlignment="0" max="-2" attributes="0">
                          <Component id="budget_jTextField" max="32767" attributes="0"/>
                          <Component id="addCustomer_jButton" alignment="0" pref="424" max="32767" attributes="0"/>
                      </Group>
                      <Component id="name_jTextField" min="-2" pref="424" max="-2" attributes="0"/>
                  </Group>
                  <EmptySpace max="-2" attributes="0"/>
              </Group>
          </Group>
        </DimensionLayout>
        <DimensionLayout dim="1">
          <Group type="103" groupAlignment="0" attributes="0">
              <Group type="102" alignment="0" attributes="0">
                  <EmptySpace min="-2" pref="17" max="-2" attributes="0"/>
                  <Group type="103" groupAlignment="3" attributes="0">
                      <Component id="jLabel2" alignment="3" min="-2" max="-2" attributes="0"/>
                      <Component id="name_jTextField" alignment="3" min="-2" max="-2" attributes="0"/>
                  </Group>
                  <EmptySpace min="-2" pref="9" max="-2" attributes="0"/>
                  <Group type="103" groupAlignment="3" attributes="0">
                      <Component id="jLabel4" alignment="3" min="-2" max="-2" attributes="0"/>
                      <Component id="budget_jTextField" alignment="3" min="-2" max="-2" attributes="0"/>
                  </Group>
                  <EmptySpace max="-2" attributes="0"/>
                  <Component id="addCustomer_jButton" min="-2" max="-2" attributes="0"/>
                  <EmptySpace max="32767" attributes="0"/>
              </Group>
          </Group>
        </DimensionLayout>
      </Layout>
      <SubComponents>
        <Component class="javax.swing.JLabel" name="jLabel2">
          <Properties>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="11" style="1"/>
            </Property>
            <Property name="text" type="java.lang.String" value="Customer name:"/>
          </Properties>
        </Component>
        <Component class="javax.swing.JTextField" name="name_jTextField">
          <Events>
            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="name_jTextFieldActionPerformed"/>
          </Events>
        </Component>
        <Component class="javax.swing.JLabel" name="jLabel4">
          <Properties>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="11" style="1"/>
            </Property>
            <Property name="text" type="java.lang.String" value="Budget (Euro/person):"/>
          </Properties>
        </Component>
        <Component class="javax.swing.JTextField" name="budget_jTextField">
          <Events>
            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="budget_jTextFieldActionPerformed"/>
          </Events>
        </Component>
        <Component class="javax.swing.JButton" name="addCustomer_jButton">
          <Properties>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="11" style="1"/>
            </Property>
            <Property name="text" type="java.lang.String" value="Add customer to waiting line"/>
          </Properties>
          <Events>
            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="addCustomer_jButtonActionPerformed"/>
          </Events>
        </Component>
      </SubComponents>
    </Container>
    <Component class="javax.swing.JLabel" name="jLabel1">
      <Properties>
        <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
          <Font name="Tahoma" size="18" style="1"/>
        </Property>
        <Property name="text" type="java.lang.String" value="Travel Agency - Telephone line management system"/>
      </Properties>
    </Component>
    <Container class="javax.swing.JPanel" name="jPanel2">
      <Properties>
        <Property name="border" type="javax.swing.border.Border" editor="org.netbeans.modules.form.editors2.BorderEditor">
          <Border info="org.netbeans.modules.form.compat2.border.BevelBorderInfo">
            <BevelBorder/>
          </Border>
        </Property>
      </Properties>

      <Layout>
        <DimensionLayout dim="0">
          <Group type="103" groupAlignment="0" attributes="0">
              <Group type="102" alignment="0" attributes="0">
                  <EmptySpace max="-2" attributes="0"/>
                  <Group type="103" groupAlignment="0" attributes="0">
                      <Component id="jScrollPane1" max="32767" attributes="0"/>
                      <Group type="102" attributes="0">
                          <Group type="103" groupAlignment="0" attributes="0">
                              <Component id="printout_jButton" alignment="0" max="32767" attributes="0"/>
                              <Component id="next_jButton" alignment="0" max="32767" attributes="0"/>
                          </Group>
                          <EmptySpace max="-2" attributes="0"/>
                          <Component id="exit_jButton" min="-2" pref="177" max="-2" attributes="0"/>
                      </Group>
                  </Group>
                  <EmptySpace max="-2" attributes="0"/>
              </Group>
          </Group>
        </DimensionLayout>
        <DimensionLayout dim="1">
          <Group type="103" groupAlignment="0" attributes="0">
              <Group type="102" alignment="0" attributes="0">
                  <EmptySpace max="-2" attributes="0"/>
                  <Component id="jScrollPane1" pref="189" max="32767" attributes="0"/>
                  <EmptySpace max="-2" attributes="0"/>
                  <Group type="103" groupAlignment="0" max="-2" attributes="0">
                      <Group type="102" alignment="0" attributes="0">
                          <Component id="printout_jButton" min="-2" pref="41" max="-2" attributes="0"/>
                          <EmptySpace max="-2" attributes="0"/>
                          <Component id="next_jButton" min="-2" pref="43" max="-2" attributes="0"/>
                      </Group>
                      <Component id="exit_jButton" min="-2" pref="90" max="-2" attributes="0"/>
                  </Group>
                  <EmptySpace max="-2" attributes="0"/>
              </Group>
          </Group>
        </DimensionLayout>
      </Layout>
      <SubComponents>
        <Container class="javax.swing.JScrollPane" name="jScrollPane1">
          <AuxValues>
            <AuxValue name="autoScrollPane" type="java.lang.Boolean" value="true"/>
          </AuxValues>

          <Layout class="org.netbeans.modules.form.compat2.layouts.support.JScrollPaneSupportLayout"/>
          <SubComponents>
            <Component class="javax.swing.JTextArea" name="log_jTextArea">
              <Properties>
                <Property name="columns" type="int" value="20"/>
                <Property name="rows" type="int" value="5"/>
              </Properties>
            </Component>
          </SubComponents>
        </Container>
        <Component class="javax.swing.JButton" name="printout_jButton">
          <Properties>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="11" style="1"/>
            </Property>
            <Property name="text" type="java.lang.String" value="Printout waiting line info"/>
          </Properties>
          <Events>
            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="printout_jButtonActionPerformed"/>
          </Events>
        </Component>
        <Component class="javax.swing.JButton" name="next_jButton">
          <Properties>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="11" style="1"/>
            </Property>
            <Property name="text" type="java.lang.String" value="Take next call"/>
          </Properties>
          <Events>
            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="next_jButtonActionPerformed"/>
          </Events>
        </Component>
        <Component class="javax.swing.JButton" name="exit_jButton">
          <Properties>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="11" style="1"/>
            </Property>
            <Property name="text" type="java.lang.String" value="EXIT"/>
          </Properties>
          <Events>
            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="exit_jButtonActionPerformed"/>
          </Events>
        </Component>
      </SubComponents>
    </Container>
  </SubComponents>
</Form>

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