将元素添加到 DefaultListModel 时 JList 未更新
JList not updating when adding element to DefaultListModel
我正在尝试创建一个简单的程序来管理员工。尝试添加新员工时，我似乎无法让员工显示在 Jlist 上。
主框架...
public class EmployeeFrame extends JFrame implements ActionListener {
// The buttons to display
private JButton addButton;
private JButton editButton;
private JButton deleteButton;
private JButton saveButton;
// The underlying list of employees, and the GUI object to display them
private DefaultListModel<Employee> listModel;
private JList<Employee> employeeList;
public static final String SAVE_FILE = "employees.txt";
/**
* Creates and displays a new EmployeeFrame. The program exits when the
* window is closed.
*/
public EmployeeFrame() {
// Basic window features
super("Employee Manager");
setLocationByPlatform(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
// Try to make it look like a native application -- using try/multi-catch
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException
| UnsupportedLookAndFeelException e) {
e.printStackTrace();
}
// Initialise an empty list model, a JList to display it, and a scroll
// pane to contain the list
listModel = new DefaultListModel<>();
employeeList = new JList<>(listModel);
JScrollPane employeeScroll = new JScrollPane(employeeList);
employeeScroll.setBorder(new TitledBorder("Employee List"));
// Initialise all buttons and add the current class as an action
// listener to all
addButton = new JButton("Add Employee");
addButton.addActionListener(this);
editButton = new JButton("Edit Employee");
editButton.addActionListener(this);
deleteButton = new JButton("Delete Employee");
deleteButton.addActionListener(this);
saveButton = new JButton("Save Employee List");
saveButton.addActionListener(this);
// Lay out the buttons in a line
Box topBox = Box.createHorizontalBox();
topBox.add(addButton);
topBox.add(Box.createHorizontalStrut(10));
topBox.add(editButton);
topBox.add(Box.createHorizontalStrut(10));
topBox.add(deleteButton);
topBox.add(Box.createHorizontalStrut(10));
topBox.add(saveButton);
// Lay out the window
getContentPane().setLayout(new BorderLayout());
getContentPane().add(topBox, BorderLayout.NORTH);
getContentPane().add(employeeScroll, BorderLayout.CENTER);
pack();
}
public DefaultListModel<Employee> getListModel() {
return this.listModel;
}
@Override
public void actionPerformed(ActionEvent event) {
// Determine which button was pushed
Object source = event.getSource();
// Here's what to do with the delete button
if (source == deleteButton) {
Employee selection = employeeList.getSelectedValue();
if (selection != null) {
listModel.removeElement(selection);
}
}
if (source == addButton) {
AddEmployeeDialog frame = new AddEmployeeDialog(new EmployeeFrame());
frame.setVisible(true);
}
}
public static void main(String[] args) {
new EmployeeFrame().setVisible(true);
}
}
添加员工的对话...
public class AddEmployeeDialog extends JDialog implements ActionListener {
// Common fields
private JComboBox<String> workerType;
private JTextField givenNameField;
private JTextField familyNameField;
private JDatePicker startDatePicker;
// Fields that depend on the employee type
private JTextField rateField;
private JTextField hoursField;
private JTextField salaryField;
// Buttons
private JButton okButton;
private JButton cancelButton;
// The employee frame -- used to position the dialog and to access the
// employee list
private EmployeeFrame employeeFrame;
public AddEmployeeDialog(final EmployeeFrame frame) {
// Basic initialisation
super(frame, "Add Employee", true);
setLocationRelativeTo(employeeFrame);
this.employeeFrame = frame;
// Common fields
workerType = new JComboBox<String>(Employee.getEmployeeTypes());
givenNameField = new JTextField(20);
familyNameField = new JTextField(20);
startDatePicker = new JDateComponentFactory().createJDatePicker();
// Fields only for hourly workers
rateField = new JTextField(10);
hoursField = new JTextField(5);
// Field only for salaried worker
salaryField = new JTextField(10);
// Top line
Box workerBox = Box.createHorizontalBox();
workerBox.add(new JLabel("Worker type"));
workerBox.add(workerType);
workerBox.add(new JLabel("Start date"));
workerBox.add((JPanel) startDatePicker);
// Next lines (names)
Box givenNameBox = Box.createHorizontalBox();
givenNameBox.add(new JLabel("Given name "));
givenNameBox.add(givenNameField);
Box familyNameBox = Box.createHorizontalBox();
familyNameBox.add(new JLabel("Family name"));
familyNameBox.add(familyNameField);
// Hourly-worker fields
Box hourlyBox = Box.createHorizontalBox();
hourlyBox.setBorder(new TitledBorder("Hourly worker information"));
hourlyBox.add(new JLabel("Rate"));
hourlyBox.add(rateField);
hourlyBox.add(Box.createHorizontalStrut(10));
hourlyBox.add(new JLabel("Hours"));
hourlyBox.add(hoursField);
// Salaried-worker fields
Box salariedBox = Box.createHorizontalBox();
salariedBox.setBorder(new TitledBorder("Salaried worker information"));
salariedBox.add(new JLabel("Salary"));
salariedBox.add(salaryField);
// Ensure that only the appropriate fields are enabled, depending on the
// worker type chosen
workerType.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent arg0) {
String type = (String) workerType.getSelectedItem();
salaryField.setEnabled("Salaried".equals(type));
rateField.setEnabled("Hourly".equals(type));
hoursField.setEnabled("Hourly".equals(type));
}
});
workerType.setSelectedItem(null);
// Create buttons and add the current class as an ActionListener
okButton = new JButton("OK");
okButton.addActionListener(this);
cancelButton = new JButton("Cancel");
cancelButton.addActionListener(this);
// Bottom row of GUI: buttons
Box bottomBox = Box.createHorizontalBox();
bottomBox.add(Box.createHorizontalGlue());
bottomBox.add(okButton);
bottomBox.add(Box.createHorizontalGlue());
bottomBox.add(cancelButton);
bottomBox.add(Box.createHorizontalGlue());
// Lay out the GUI
getContentPane().setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));
getContentPane().add(workerBox);
getContentPane().add(givenNameBox);
getContentPane().add(familyNameBox);
getContentPane().add(hourlyBox);
getContentPane().add(salariedBox);
getContentPane().add(Box.createVerticalStrut(10));
getContentPane().add(bottomBox);
pack();
}
@Override
public void actionPerformed(ActionEvent event) {
// Convert the value from the date picker into a LocalDate
GregorianCalendar startDateValue = (GregorianCalendar) startDatePicker.getModel().getValue();
LocalDate startDate = startDateValue.toZonedDateTime().toLocalDate();
// Work out which button was pressed
Object source = event.getSource();
if (source == cancelButton) {
// Just close the window
dispose();
}
if (source == okButton) {
// Determine if the employee is hourly or salaried
if (workerType.getSelectedItem().toString() == "Salaried") {
// Create new salaried employee
if (salaryField.getText().matches("[0-9]+")) {
Employee employee = new SalariedEmployee(givenNameField.getText(),
familyNameField.getText(),
startDate,
Double.parseDouble(salaryField.getText()));
employeeFrame.getListModel().addElement(employee);
}
}
else {
// Create new hourly employee
if (rateField.getText().matches("[0-9]+") && hoursField.getText().matches("[0-9]+")) {
Employee employee = new HourlyEmployee(givenNameField.getText(),
familyNameField.getText(),
startDate,
Double.parseDouble(rateField.getText()),
Integer.parseInt(hoursField.getText()));
employeeFrame.getListModel().addElement(employee);
}
}
dispose();
}
}
}
这就是我用来添加员工的内容
employeeFrame.getListModel().addElement(employee);
我认为这是正确的方法，但似乎行不通。任何帮助将不胜感激。
两个问题，
第一个：
差：if (workerType.getSelectedItem().toString() == "Salaried") {。使用 equals(...) 或 equalsIgnoreCase(...)。了解 == 检查 reference 平等，这绝对不是你感兴趣的。你想要 functional 平等，这就是方法测试。
所以：if ("Salaried".equalsIgnoreCase(workerType.getSelectedItem().toString())) {
第二个：
AddEmployeeDialog frame = new AddEmployeeDialog(new EmployeeFrame());
您正在传递 new EmployeeFrame 对象，这意味着您正在为错误的 EmployeeFrame 更新列表模型。而是传入 visualized EmployeeFrame。
改为：
AddEmployeeDialog frame = new AddEmployeeDialog(EmployeeFrame.this);
我创建的程序是为了缩小您的代码但仍然允许它运行并演示您的问题：
import java.awt.BorderLayout;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.TitledBorder;
@SuppressWarnings("serial")
public class EmployeeFrame extends JFrame implements ActionListener {
private JButton addButton;
private DefaultListModel<Employee> listModel;
private JList<Employee> employeeList;
public EmployeeFrame() {
super("Employee Manager");
setLocationByPlatform(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
listModel = new DefaultListModel<>();
employeeList = new JList<>(listModel);
JScrollPane employeeScroll = new JScrollPane(employeeList);
employeeScroll.setBorder(new TitledBorder("Employee List"));
addButton = new JButton("Add Employee");
addButton.addActionListener(this);
Box topBox = Box.createHorizontalBox();
topBox.add(addButton);
getContentPane().setLayout(new BorderLayout());
getContentPane().add(topBox, BorderLayout.NORTH);
getContentPane().add(employeeScroll, BorderLayout.CENTER);
pack();
}
public DefaultListModel<Employee> getListModel() {
return this.listModel;
}
@Override
public void actionPerformed(ActionEvent event) {
Object source = event.getSource();
if (source == addButton) {
// !! AddEmployeeDialog frame = new AddEmployeeDialog(new EmployeeFrame());
AddEmployeeDialog frame = new AddEmployeeDialog(EmployeeFrame.this);
frame.setVisible(true);
}
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new EmployeeFrame().setVisible(true);
}
});
}
}
@SuppressWarnings("serial")
class AddEmployeeDialog extends JDialog implements ActionListener {
private JComboBox<String> workerType;
private JTextField givenNameField;
private JTextField familyNameField;
private JButton okButton;
private JButton cancelButton;
private EmployeeFrame employeeFrame;
public AddEmployeeDialog(final EmployeeFrame frame) {
super(frame, "Add Employee", true);
setLocationRelativeTo(employeeFrame);
this.employeeFrame = frame;
workerType = new JComboBox<String>(Employee.getEmployeeTypes());
givenNameField = new JTextField(20);
familyNameField = new JTextField(20);
Box workerBox = Box.createHorizontalBox();
workerBox.add(new JLabel("Worker type"));
workerBox.add(workerType);
workerBox.add(new JLabel("Start date"));
Box givenNameBox = Box.createHorizontalBox();
givenNameBox.add(new JLabel("Given name "));
givenNameBox.add(givenNameField);
Box familyNameBox = Box.createHorizontalBox();
familyNameBox.add(new JLabel("Family name"));
familyNameBox.add(familyNameField);
workerType.setSelectedItem(null);
// Create buttons and add the current class as an ActionListener
okButton = new JButton("OK");
okButton.addActionListener(this);
cancelButton = new JButton("Cancel");
cancelButton.addActionListener(this);
Box bottomBox = Box.createHorizontalBox();
bottomBox.add(Box.createHorizontalGlue());
bottomBox.add(okButton);
bottomBox.add(Box.createHorizontalGlue());
bottomBox.add(cancelButton);
bottomBox.add(Box.createHorizontalGlue());
// Lay out the GUI
getContentPane().setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));
getContentPane().add(workerBox);
getContentPane().add(givenNameBox);
getContentPane().add(familyNameBox);
getContentPane().add(Box.createVerticalStrut(10));
getContentPane().add(bottomBox);
pack();
}
@Override
public void actionPerformed(ActionEvent event) {
Object source = event.getSource();
if (source == okButton) {
System.out.println("here");
System.out.println(workerType.getSelectedItem());
if ("Salaried".equalsIgnoreCase(workerType.getSelectedItem().toString())) {
Employee employee = new Employee("Salaried", givenNameField.getText(), familyNameField.getText());
employeeFrame.getListModel().addElement(employee);
} else {
Employee employee = new Employee("Hourly", givenNameField.getText(), familyNameField.getText());
employeeFrame.getListModel().addElement(employee);
}
}
dispose();
}
}
class Employee {
private static final String[] EMPLOYEE_TYPES = { "Salaried", "Hourly" };
private String givenName;
private String familyName;
private String type;
public Employee(String type, String givenName, String familyName) {
this.type = type;
this.givenName = givenName;
this.familyName = familyName;
}
public static String[] getEmployeeTypes() {
return EMPLOYEE_TYPES;
}
public String getGivenName() {
return givenName;
}
public String getFamilyName() {
return familyName;
}
public String getType() {
return type;
}
@Override
public String toString() {
return String.format("Employee: %s, %s %s", type, givenName, familyName);
}
}
我正在尝试创建一个简单的程序来管理员工。尝试添加新员工时，我似乎无法让员工显示在 Jlist 上。
主框架...
public class EmployeeFrame extends JFrame implements ActionListener {
// The buttons to display
private JButton addButton;
private JButton editButton;
private JButton deleteButton;
private JButton saveButton;
// The underlying list of employees, and the GUI object to display them
private DefaultListModel<Employee> listModel;
private JList<Employee> employeeList;
public static final String SAVE_FILE = "employees.txt";
/**
* Creates and displays a new EmployeeFrame. The program exits when the
* window is closed.
*/
public EmployeeFrame() {
// Basic window features
super("Employee Manager");
setLocationByPlatform(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
// Try to make it look like a native application -- using try/multi-catch
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException
| UnsupportedLookAndFeelException e) {
e.printStackTrace();
}
// Initialise an empty list model, a JList to display it, and a scroll
// pane to contain the list
listModel = new DefaultListModel<>();
employeeList = new JList<>(listModel);
JScrollPane employeeScroll = new JScrollPane(employeeList);
employeeScroll.setBorder(new TitledBorder("Employee List"));
// Initialise all buttons and add the current class as an action
// listener to all
addButton = new JButton("Add Employee");
addButton.addActionListener(this);
editButton = new JButton("Edit Employee");
editButton.addActionListener(this);
deleteButton = new JButton("Delete Employee");
deleteButton.addActionListener(this);
saveButton = new JButton("Save Employee List");
saveButton.addActionListener(this);
// Lay out the buttons in a line
Box topBox = Box.createHorizontalBox();
topBox.add(addButton);
topBox.add(Box.createHorizontalStrut(10));
topBox.add(editButton);
topBox.add(Box.createHorizontalStrut(10));
topBox.add(deleteButton);
topBox.add(Box.createHorizontalStrut(10));
topBox.add(saveButton);
// Lay out the window
getContentPane().setLayout(new BorderLayout());
getContentPane().add(topBox, BorderLayout.NORTH);
getContentPane().add(employeeScroll, BorderLayout.CENTER);
pack();
}
public DefaultListModel<Employee> getListModel() {
return this.listModel;
}
@Override
public void actionPerformed(ActionEvent event) {
// Determine which button was pushed
Object source = event.getSource();
// Here's what to do with the delete button
if (source == deleteButton) {
Employee selection = employeeList.getSelectedValue();
if (selection != null) {
listModel.removeElement(selection);
}
}
if (source == addButton) {
AddEmployeeDialog frame = new AddEmployeeDialog(new EmployeeFrame());
frame.setVisible(true);
}
}
public static void main(String[] args) {
new EmployeeFrame().setVisible(true);
}
}
添加员工的对话...
public class AddEmployeeDialog extends JDialog implements ActionListener {
// Common fields
private JComboBox<String> workerType;
private JTextField givenNameField;
private JTextField familyNameField;
private JDatePicker startDatePicker;
// Fields that depend on the employee type
private JTextField rateField;
private JTextField hoursField;
private JTextField salaryField;
// Buttons
private JButton okButton;
private JButton cancelButton;
// The employee frame -- used to position the dialog and to access the
// employee list
private EmployeeFrame employeeFrame;
public AddEmployeeDialog(final EmployeeFrame frame) {
// Basic initialisation
super(frame, "Add Employee", true);
setLocationRelativeTo(employeeFrame);
this.employeeFrame = frame;
// Common fields
workerType = new JComboBox<String>(Employee.getEmployeeTypes());
givenNameField = new JTextField(20);
familyNameField = new JTextField(20);
startDatePicker = new JDateComponentFactory().createJDatePicker();
// Fields only for hourly workers
rateField = new JTextField(10);
hoursField = new JTextField(5);
// Field only for salaried worker
salaryField = new JTextField(10);
// Top line
Box workerBox = Box.createHorizontalBox();
workerBox.add(new JLabel("Worker type"));
workerBox.add(workerType);
workerBox.add(new JLabel("Start date"));
workerBox.add((JPanel) startDatePicker);
// Next lines (names)
Box givenNameBox = Box.createHorizontalBox();
givenNameBox.add(new JLabel("Given name "));
givenNameBox.add(givenNameField);
Box familyNameBox = Box.createHorizontalBox();
familyNameBox.add(new JLabel("Family name"));
familyNameBox.add(familyNameField);
// Hourly-worker fields
Box hourlyBox = Box.createHorizontalBox();
hourlyBox.setBorder(new TitledBorder("Hourly worker information"));
hourlyBox.add(new JLabel("Rate"));
hourlyBox.add(rateField);
hourlyBox.add(Box.createHorizontalStrut(10));
hourlyBox.add(new JLabel("Hours"));
hourlyBox.add(hoursField);
// Salaried-worker fields
Box salariedBox = Box.createHorizontalBox();
salariedBox.setBorder(new TitledBorder("Salaried worker information"));
salariedBox.add(new JLabel("Salary"));
salariedBox.add(salaryField);
// Ensure that only the appropriate fields are enabled, depending on the
// worker type chosen
workerType.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent arg0) {
String type = (String) workerType.getSelectedItem();
salaryField.setEnabled("Salaried".equals(type));
rateField.setEnabled("Hourly".equals(type));
hoursField.setEnabled("Hourly".equals(type));
}
});
workerType.setSelectedItem(null);
// Create buttons and add the current class as an ActionListener
okButton = new JButton("OK");
okButton.addActionListener(this);
cancelButton = new JButton("Cancel");
cancelButton.addActionListener(this);
// Bottom row of GUI: buttons
Box bottomBox = Box.createHorizontalBox();
bottomBox.add(Box.createHorizontalGlue());
bottomBox.add(okButton);
bottomBox.add(Box.createHorizontalGlue());
bottomBox.add(cancelButton);
bottomBox.add(Box.createHorizontalGlue());
// Lay out the GUI
getContentPane().setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));
getContentPane().add(workerBox);
getContentPane().add(givenNameBox);
getContentPane().add(familyNameBox);
getContentPane().add(hourlyBox);
getContentPane().add(salariedBox);
getContentPane().add(Box.createVerticalStrut(10));
getContentPane().add(bottomBox);
pack();
}
@Override
public void actionPerformed(ActionEvent event) {
// Convert the value from the date picker into a LocalDate
GregorianCalendar startDateValue = (GregorianCalendar) startDatePicker.getModel().getValue();
LocalDate startDate = startDateValue.toZonedDateTime().toLocalDate();
// Work out which button was pressed
Object source = event.getSource();
if (source == cancelButton) {
// Just close the window
dispose();
}
if (source == okButton) {
// Determine if the employee is hourly or salaried
if (workerType.getSelectedItem().toString() == "Salaried") {
// Create new salaried employee
if (salaryField.getText().matches("[0-9]+")) {
Employee employee = new SalariedEmployee(givenNameField.getText(),
familyNameField.getText(),
startDate,
Double.parseDouble(salaryField.getText()));
employeeFrame.getListModel().addElement(employee);
}
}
else {
// Create new hourly employee
if (rateField.getText().matches("[0-9]+") && hoursField.getText().matches("[0-9]+")) {
Employee employee = new HourlyEmployee(givenNameField.getText(),
familyNameField.getText(),
startDate,
Double.parseDouble(rateField.getText()),
Integer.parseInt(hoursField.getText()));
employeeFrame.getListModel().addElement(employee);
}
}
dispose();
}
}
}
这就是我用来添加员工的内容
employeeFrame.getListModel().addElement(employee);
我认为这是正确的方法，但似乎行不通。任何帮助将不胜感激。
两个问题，
第一个：
差：if (workerType.getSelectedItem().toString() == "Salaried") {。使用 equals(...) 或 equalsIgnoreCase(...)。了解 == 检查 reference 平等，这绝对不是你感兴趣的。你想要 functional 平等，这就是方法测试。
所以：if ("Salaried".equalsIgnoreCase(workerType.getSelectedItem().toString())) {
第二个：
AddEmployeeDialog frame = new AddEmployeeDialog(new EmployeeFrame());
您正在传递 new EmployeeFrame 对象，这意味着您正在为错误的 EmployeeFrame 更新列表模型。而是传入 visualized EmployeeFrame。
改为：
AddEmployeeDialog frame = new AddEmployeeDialog(EmployeeFrame.this);
我创建的程序是为了缩小您的代码但仍然允许它运行并演示您的问题：
import java.awt.BorderLayout;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.TitledBorder;
@SuppressWarnings("serial")
public class EmployeeFrame extends JFrame implements ActionListener {
private JButton addButton;
private DefaultListModel<Employee> listModel;
private JList<Employee> employeeList;
public EmployeeFrame() {
super("Employee Manager");
setLocationByPlatform(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
listModel = new DefaultListModel<>();
employeeList = new JList<>(listModel);
JScrollPane employeeScroll = new JScrollPane(employeeList);
employeeScroll.setBorder(new TitledBorder("Employee List"));
addButton = new JButton("Add Employee");
addButton.addActionListener(this);
Box topBox = Box.createHorizontalBox();
topBox.add(addButton);
getContentPane().setLayout(new BorderLayout());
getContentPane().add(topBox, BorderLayout.NORTH);
getContentPane().add(employeeScroll, BorderLayout.CENTER);
pack();
}
public DefaultListModel<Employee> getListModel() {
return this.listModel;
}
@Override
public void actionPerformed(ActionEvent event) {
Object source = event.getSource();
if (source == addButton) {
// !! AddEmployeeDialog frame = new AddEmployeeDialog(new EmployeeFrame());
AddEmployeeDialog frame = new AddEmployeeDialog(EmployeeFrame.this);
frame.setVisible(true);
}
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new EmployeeFrame().setVisible(true);
}
});
}
}
@SuppressWarnings("serial")
class AddEmployeeDialog extends JDialog implements ActionListener {
private JComboBox<String> workerType;
private JTextField givenNameField;
private JTextField familyNameField;
private JButton okButton;
private JButton cancelButton;
private EmployeeFrame employeeFrame;
public AddEmployeeDialog(final EmployeeFrame frame) {
super(frame, "Add Employee", true);
setLocationRelativeTo(employeeFrame);
this.employeeFrame = frame;
workerType = new JComboBox<String>(Employee.getEmployeeTypes());
givenNameField = new JTextField(20);
familyNameField = new JTextField(20);
Box workerBox = Box.createHorizontalBox();
workerBox.add(new JLabel("Worker type"));
workerBox.add(workerType);
workerBox.add(new JLabel("Start date"));
Box givenNameBox = Box.createHorizontalBox();
givenNameBox.add(new JLabel("Given name "));
givenNameBox.add(givenNameField);
Box familyNameBox = Box.createHorizontalBox();
familyNameBox.add(new JLabel("Family name"));
familyNameBox.add(familyNameField);
workerType.setSelectedItem(null);
// Create buttons and add the current class as an ActionListener
okButton = new JButton("OK");
okButton.addActionListener(this);
cancelButton = new JButton("Cancel");
cancelButton.addActionListener(this);
Box bottomBox = Box.createHorizontalBox();
bottomBox.add(Box.createHorizontalGlue());
bottomBox.add(okButton);
bottomBox.add(Box.createHorizontalGlue());
bottomBox.add(cancelButton);
bottomBox.add(Box.createHorizontalGlue());
// Lay out the GUI
getContentPane().setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));
getContentPane().add(workerBox);
getContentPane().add(givenNameBox);
getContentPane().add(familyNameBox);
getContentPane().add(Box.createVerticalStrut(10));
getContentPane().add(bottomBox);
pack();
}
@Override
public void actionPerformed(ActionEvent event) {
Object source = event.getSource();
if (source == okButton) {
System.out.println("here");
System.out.println(workerType.getSelectedItem());
if ("Salaried".equalsIgnoreCase(workerType.getSelectedItem().toString())) {
Employee employee = new Employee("Salaried", givenNameField.getText(), familyNameField.getText());
employeeFrame.getListModel().addElement(employee);
} else {
Employee employee = new Employee("Hourly", givenNameField.getText(), familyNameField.getText());
employeeFrame.getListModel().addElement(employee);
}
}
dispose();
}
}
class Employee {
private static final String[] EMPLOYEE_TYPES = { "Salaried", "Hourly" };
private String givenName;
private String familyName;
private String type;
public Employee(String type, String givenName, String familyName) {
this.type = type;
this.givenName = givenName;
this.familyName = familyName;
}
public static String[] getEmployeeTypes() {
return EMPLOYEE_TYPES;
}
public String getGivenName() {
return givenName;
}
public String getFamilyName() {
return familyName;
}
public String getType() {
return type;
}
@Override
public String toString() {
return String.format("Employee: %s, %s %s", type, givenName, familyName);
}
}