Question

In: Computer Science

Im trying to get a GUI interface in java where there is four text fields for...

Im trying to get a GUI interface in java where there is four text fields for the first name, last name, department, and phone number of employee in a program. Then also have a radio button below for Gender (Male/Female/Other) and a list for the Title (Mr./Ms./Mrs./Dr./Col./Prof.). At the very bottom of the frame there has to be buttons for printing, submitting and exiting but for whatever reason when I tried it nothing appears in the frame regardless of what I do. I need help coding this its been a while since I've used GUI interface and I don't remember all of the syntax anymore

Solutions

Expert Solution

//GUI.java
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import java.awt.GridLayout;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.JRadioButton;
import javax.swing.JList;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class GUI extends JFrame {

   private JPanel contentPane;
   private JPanel panel;
   private JTextArea txtrLastName;
   private JTextField textField;
   private JTextArea txtrFirstName;
   private JTextField textField_1;
   private JTextArea txtrDepartment;
   private JTextField textField_2;
   private JTextArea txtrPhoneNumber;
   private JTextField textField_3;
   private final ButtonGroup buttonGroup = new ButtonGroup();
   private Directory d = new Directory();

   /**
   * Launch the application.
   */
   public static void main(String[] args) {
       EventQueue.invokeLater(new Runnable() {
           public void run() {
               try {
                   GUI frame = new GUI();
                   frame.setVisible(true);
               } catch (Exception e) {
                   e.printStackTrace();
               }
           }
       });
   }

   /**
   * Create the frame.
   */
   public GUI() {
       setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       setBounds(100, 100, 450, 300);
       contentPane = new JPanel();
       contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
       setContentPane(contentPane);
       contentPane.setLayout(new GridLayout(0, 1, 0, 0));
      
       panel = new JPanel();
       contentPane.add(panel);
       panel.setLayout(null);
      
       txtrFirstName = new JTextArea();
       txtrFirstName.setEditable(false);
       txtrFirstName.setBounds(17, 4, 100, 22);
       txtrFirstName.setText("First Name: ");
       panel.add(txtrFirstName);
      
       textField = new JTextField();
       textField.setBounds(127, 6, 86, 20);
       panel.add(textField);
       textField.setColumns(10);
      
       txtrLastName = new JTextArea();
       txtrLastName.setEditable(false);
       txtrLastName.setBounds(218, 5, 92, 22);
       txtrLastName.setText("Last Name: ");
       panel.add(txtrLastName);
      
       textField_1 = new JTextField();
       textField_1.setBounds(315, 6, 86, 20);
       panel.add(textField_1);
       textField_1.setColumns(10);
      
       txtrDepartment = new JTextArea();
       txtrDepartment.setEditable(false);
       txtrDepartment.setBounds(17, 37, 100, 22);
       txtrDepartment.setText("Department: ");
       panel.add(txtrDepartment);
      
       textField_2 = new JTextField();
       textField_2.setBounds(127, 37, 86, 20);
       panel.add(textField_2);
       textField_2.setColumns(10);
      
       txtrPhoneNumber = new JTextArea();
       txtrPhoneNumber.setEditable(false);
       txtrPhoneNumber.setBounds(218, 37, 92, 22);
       txtrPhoneNumber.setText("Phone: ");
       panel.add(txtrPhoneNumber);
      
       textField_3 = new JTextField();
       textField_3.setBounds(315, 37, 86, 20);
       panel.add(textField_3);
       textField_3.setColumns(10);
      
       JTextArea txtrGender = new JTextArea();
       txtrGender.setEditable(false);
       txtrGender.setText("Gender: ");
       txtrGender.setBounds(17, 70, 100, 22);
       panel.add(txtrGender);
      
       final JRadioButton rdbtnMale = new JRadioButton("Male");
       buttonGroup.add(rdbtnMale);
       rdbtnMale.setSelected(true);
       rdbtnMale.setBounds(127, 70, 86, 23);
       panel.add(rdbtnMale);
      
       final JRadioButton rdbtnFemale = new JRadioButton("Female");
       buttonGroup.add(rdbtnFemale);
       rdbtnFemale.setBounds(218, 70, 92, 23);
       panel.add(rdbtnFemale);
      
       JRadioButton rdbtnOther = new JRadioButton("Other");
       buttonGroup.add(rdbtnOther);
       rdbtnOther.setBounds(315, 70, 86, 23);
       panel.add(rdbtnOther);
      
       JTextArea txtrTitle = new JTextArea();
       txtrTitle.setEditable(false);
       txtrTitle.setText("Title: ");
       txtrTitle.setBounds(17, 110, 100, 22);
       panel.add(txtrTitle);
      
       Object[] titles = {"Mr.", "Ms.", "Mrs.", "Dr.", "Col.", "Prof."};
       final JList list = new JList(titles);
       list.setBounds(127, 110, 274, 119);
       panel.add(list);
      
       JButton btnSubmit = new JButton("Submit");
       btnSubmit.addActionListener(new ActionListener() {
           public void actionPerformed(ActionEvent arg0) {
              
               String lastName, firstName, department, phone, gender, title;
               firstName = textField.getText();
               lastName = textField_1.getText();
               department = textField_2.getText();
               phone = textField_3.getText();
               if(rdbtnMale.isSelected()){
                   gender = "Male";
               }
               else if(rdbtnFemale.isSelected()){
                   gender = "Female";
               }
               else gender = "Other";
               title = (String) list.getSelectedValue();
              
               Employee e = new Employee(firstName, lastName, department, phone, gender, title);
               d.add(e);
           }
       });
       btnSubmit.setBounds(10, 143, 89, 23);
       panel.add(btnSubmit);
      
       JButton btnExit = new JButton("Exit");
       btnExit.addActionListener(new ActionListener() {
           public void actionPerformed(ActionEvent e) {
               System.exit(0);
           }
       });
       btnExit.setBounds(10, 177, 89, 23);
       panel.add(btnExit);
   }
}

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

//Employee .java
public class Employee {
   private String f,l,d,p,g,t;
   public Employee(String f, String l, String d, String p, String g, String t){
       this.f = f;
       this.l = l;
       this.d = d;
       this.p = p;
       this.g = g;
       this.t= t;
   }
  
   public String getF(){
       return this.f;
   }
  
   public String getL(){
       return this.l;
   }
  
   public String getD(){
       return this.d;
   }
  
   public String getP(){
       return this.p;
   }
  
   public String getG(){
       return this.g;
   }
  
   public String getT(){
       return this.t;
   }
  
   public String toString(){
       return (t+" "+f+" "+l+" "+d+" "+p+" Gender: "+g);
   }
}

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

//Directory.java

import java.util.ArrayList;
public class Directory {
   private ArrayList<Employee> dir;
  
   public Directory(){
       this.dir = new ArrayList<Employee>();
   }
  
   public void add(Employee e){
       dir.add(e);
   }
  
   public void print(){
       System.out.println(dir);
   }
  
   public void clear(){
       this.dir = new ArrayList<Employee>();
   }
}

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

sample output:


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