package ui;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import domain.Customer;
import techserv.CustomerDA;
import javax.swing.JButton;
import java.awt.Font;
import java.awt.Color;
public class CustomerUI {
private JFrame frame;
private JTextField custIdTF;
private JTextField custNameTF;
private JTextField paytermTF;
private JTextField addressTF;
private JTextField companyTF;
private JButton nextBtn;
private JButton previousBtn;
private JButton addBtn;
private JButton updateBtn;
private JButton deleteBtn;
private CustListener custListener;
private JButton firstBtn;
private JButton lastBtn;
private CustomerDA custDA;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
CustomerUI window = new CustomerUI();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public CustomerUI() {
custDA = new CustomerDA();
custListener = new CustListener();
initialize();
updateCustomerForm();
// Set text fields to read mode
areTextFieldsEditable(false);
}
/**
* Initialize the contents of the frame.
* Sets all of the components and linked to an action listener that handles the control
*/
private void initialize() {
frame = new JFrame();
frame.setBounds(100, 100, 570, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(null);
JLabel custIdLbl = new JLabel("Customer ID:");
custIdLbl.setBounds(58, 10, 76, 16);
frame.getContentPane().add(custIdLbl);
custIdTF = new JTextField();
custIdTF.setBounds(141, 7, 376, 22);
frame.getContentPane().add(custIdTF);
custIdTF.setColumns(10);
custIdTF.setEditable(false);
JLabel custNameLbl = new JLabel("Customer name:");
custNameLbl.setBounds(38, 39, 96, 16);
frame.getContentPane().add(custNameLbl);
custNameTF = new JTextField();
custNameTF.setBounds(141, 36, 376, 22);
custNameTF.setColumns(10);
frame.getContentPane().add(custNameTF);
JLabel payTermLbl = new JLabel("Payterm:");
payTermLbl.setBounds(82, 68, 52, 16);
frame.getContentPane().add(payTermLbl);
paytermTF = new JTextField();
paytermTF.setBounds(141, 65, 376, 22);
paytermTF.setColumns(10);
frame.getContentPane().add(paytermTF);
JLabel addressLbl = new JLabel("Address:");
addressLbl.setBounds(83, 97, 51, 16);
frame.getContentPane().add(addressLbl);
addressTF = new JTextField();
addressTF.setBounds(141, 94, 376, 22);
addressTF.setColumns(10);
frame.getContentPane().add(addressTF);
JLabel companyLbl = new JLabel("Company:");
companyLbl.setBounds(76, 126, 58, 16);
frame.getContentPane().add(companyLbl);
companyTF = new JTextField();
companyTF.setBounds(141, 123, 376, 22);
companyTF.setColumns(10);
frame.getContentPane().add(companyTF);
nextBtn = new JButton(">");
nextBtn.setForeground(Color.BLUE);
nextBtn.setBounds(289, 191, 125, 25);
nextBtn.addActionListener(custListener);
frame.getContentPane().add(nextBtn);
previousBtn = new JButton("<");
previousBtn.setForeground(Color.BLUE);
previousBtn.setBounds(152, 191, 125, 25);
previousBtn.addActionListener(custListener);
frame.getContentPane().add(previousBtn);
addBtn = new JButton("ADD");
addBtn.setFont(new Font("Tahoma", Font.BOLD, 13));
addBtn.setBounds(15, 228, 173, 25);
addBtn.addActionListener(custListener);
frame.getContentPane().add(addBtn);
updateBtn = new JButton("UPDATE");
updateBtn.setFont(new Font("Tahoma", Font.BOLD, 13));
updateBtn.setBounds(200, 228, 166, 25);
updateBtn.addActionListener(custListener);
frame.getContentPane().add(updateBtn);
deleteBtn = new JButton("DELETE");
deleteBtn.setFont(new Font("Tahoma", Font.BOLD, 13));
deleteBtn.setBounds(378, 228, 173, 25);
deleteBtn.addActionListener(custListener);
frame.getContentPane().add(deleteBtn);
firstBtn = new JButton("<<");
firstBtn.addActionListener(custListener);
firstBtn.setForeground(Color.BLUE);
firstBtn.setBounds(15, 191, 125, 25);
frame.getContentPane().add(firstBtn);
lastBtn = new JButton(">>");
lastBtn.addActionListener(custListener);
lastBtn.setForeground(Color.BLUE);
lastBtn.setBounds(426, 191, 125, 25);
frame.getContentPane().add(lastBtn);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
frame.setTitle("Customer Management");
}
// Updates form fields with current customer navigated
private void updateCustomerForm() {
Customer cust = custDA.getCurrentCustomer();
custIdTF.setText(cust.getCustId());
custNameTF.setText(cust.getCustName());
paytermTF.setText(cust.getPayTerm());
addressTF.setText(cust.getAddress());
companyTF.setText(cust.getCompany());
}
// Sets form fields to read or edit mode
private void areTextFieldsEditable(boolean flag) {
custIdTF.setEditable(flag);
custNameTF.setEditable(flag);
paytermTF.setEditable(flag);
addressTF.setEditable(flag);
companyTF.setEditable(flag);
}
// An action listener class that uses the methods from CustomerDA to give actions
// in the components when users interact with it
class CustListener implements ActionListener {
@Override
public void actionPerformed(ActionEvent ev) {
String ac = ev.getActionCommand();
switch(ac) {
case ">": nextCust(); break;
case "<": prevCust(); break;
case ">>": lastCust(); break;
case "<<": firstCust(); break;
case "ADD": setEditMode("ADD"); break;
case "UPDATE": setEditMode("UPDATE"); break;
case "SAVE ADD": addCust();
resetEditMode(); break;
case "SAVE UPDATE": updateCust();
resetEditMode(); break;
case "CANCEL": resetEditMode(); break;
case "DELETE": deleteCust(); break;
}
}
// Resets form to read mode
private void resetEditMode() {
nextBtn.setText(">");
previousBtn.setText("<");
areTextFieldsEditable(false);
addBtn.setEnabled(true);
updateBtn.setEnabled(true);
deleteBtn.setEnabled(true);
firstBtn.setEnabled(true);
lastBtn.setEnabled(true);
updateCustomerForm();
}
// Utilizes form to add or update mode
private void setEditMode(String mode) {
areTextFieldsEditable(true);
if(mode.equals("ADD")) clearForm();
else if(mode.equals("UPDATE")) custIdTF.setEditable(false);
nextBtn.setText("CANCEL");
previousBtn.setText("SAVE " + mode);
firstBtn.setEnabled(false);
lastBtn.setEnabled(false);
addBtn.setEnabled(false);
addBtn.setEnabled(false);
updateBtn.setEnabled(false);
deleteBtn.setEnabled(false);
}
private void clearForm() {
custIdTF.setText("");
custNameTF.setText("");
paytermTF.setText("");
addressTF.setText("");
companyTF.setText("");
}
// Confirmation to delete selected customer
private void deleteCust() {
int res = JOptionPane.showConfirmDialog(null, "Are you sure you want to delete customer?", "",
JOptionPane.YES_NO_OPTION);
if(res == 0) {
custDA.deleteCustomer(custIdTF.getText());
updateCustomerForm();
}
}
// Update customer record to database from form fields
private void updateCust() {
custDA.updateCustomer(custIdTF.getText(),
new Customer(
custIdTF.getText(),
custNameTF.getText(),
paytermTF.getText(),
addressTF.getText(),
companyTF.getText())
);
updateCustomerForm();
}
// Add customer record to database from form fields
private void addCust() {
custDA.addCustomer( new Customer(
custIdTF.getText(),
custNameTF.getText(),
paytermTF.getText(),
addressTF.getText(),
companyTF.getText())
);
updateCustomerForm();
}
// Navigate to previous customer record
private void prevCust() {
custDA.getPreviousCustomer();
updateCustomerForm();
}
// Navigate to next customer record
private void nextCust() {
custDA.getNextCustomer();
updateCustomerForm();
}
// Navigate to first customer record
private void firstCust() {
custDA.getFirstCustomer();
updateCustomerForm();
}
// Navigate to last customer record
private void lastCust() {
custDA.getLastCustomer();
updateCustomerForm();
}
}
}