diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/.idea/JavaSwingSimpleExercise.iml b/.idea/JavaSwingSimpleExercise.iml new file mode 100644 index 0000000..ab9bca8 --- /dev/null +++ b/.idea/JavaSwingSimpleExercise.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..a346fd7 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..2d16929 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/out/production/JavaSwingSimpleExercise/RegistrationFormApp.class b/out/production/JavaSwingSimpleExercise/RegistrationFormApp.class new file mode 100644 index 0000000..cc39456 Binary files /dev/null and b/out/production/JavaSwingSimpleExercise/RegistrationFormApp.class differ diff --git a/out/production/JavaSwingSimpleExercise/images/img-4-1.png b/out/production/JavaSwingSimpleExercise/images/img-4-1.png new file mode 100644 index 0000000..137d23f Binary files /dev/null and b/out/production/JavaSwingSimpleExercise/images/img-4-1.png differ diff --git a/out/production/JavaSwingSimpleExercise/images/img-4-2.png b/out/production/JavaSwingSimpleExercise/images/img-4-2.png new file mode 100644 index 0000000..994d9db Binary files /dev/null and b/out/production/JavaSwingSimpleExercise/images/img-4-2.png differ diff --git a/out/production/JavaSwingSimpleExercise/images/img-4-3.png b/out/production/JavaSwingSimpleExercise/images/img-4-3.png new file mode 100644 index 0000000..7cdaa57 Binary files /dev/null and b/out/production/JavaSwingSimpleExercise/images/img-4-3.png differ diff --git a/out/production/JavaSwingSimpleExercise/readme-part-4.md b/out/production/JavaSwingSimpleExercise/readme-part-4.md new file mode 100644 index 0000000..2b65f53 --- /dev/null +++ b/out/production/JavaSwingSimpleExercise/readme-part-4.md @@ -0,0 +1,132 @@ +## Exercise 4: User Registration Form Application + +### Description & Goal + +Design a comprehensive registration form using `GridBagLayout`. Students will arrange multiple Swing components—text fields, password field, radio buttons, checkboxes, and a submit button—in a responsive grid. The goal is to practice advanced layout management and component integration. + +### Code Breakdown + +**Part 1: Field Declarations** +Define all UI components and layout constraints. + +```java +public class RegistrationFormApp extends JFrame implements ActionListener { + private JTextField txtName; // User name input + private JTextField txtEmail; // User email input + private JPasswordField txtPassword; // Password input + private JRadioButton rbMale, rbFemale; // Gender selection + private JCheckBox cbJava, cbPython, cbCpp; // Interests selection + private JButton btnSubmit; // Submit form button + private GridBagConstraints gbc; // Layout constraints +} +``` + +*Explanation:* We declare fields for name, email, and password inputs; radio buttons for gender; checkboxes for interests; a submit button; and `GridBagConstraints` for positioning. + +**Part 2: Constructor Setup** +Initialize components, configure `GridBagLayout`, and add items. + +```java +public RegistrationFormApp() { + setTitle("User Registration"); + setSize(500, 350); + setDefaultCloseOperation(EXIT_ON_CLOSE); + setLocationRelativeTo(null); + + JPanel panel = new JPanel(new GridBagLayout()); + gbc = new GridBagConstraints(); + gbc.insets = new Insets(5, 5, 5, 5); + gbc.fill = GridBagConstraints.HORIZONTAL; + + // Row 0: Name label & field + gbc.gridx = 0; gbc.gridy = 0; + panel.add(new JLabel("Name:"), gbc); + gbc.gridx = 1; + txtName = new JTextField(20); + panel.add(txtName, gbc); + + // Row 1: Email label & field + gbc.gridx = 0; gbc.gridy = 1; + panel.add(new JLabel("Email:"), gbc); + gbc.gridx = 1; + txtEmail = new JTextField(20); + panel.add(txtEmail, gbc); + + // Row 2: Password label & field + gbc.gridx = 0; gbc.gridy = 2; + panel.add(new JLabel("Password:"), gbc); + gbc.gridx = 1; + txtPassword = new JPasswordField(20); + panel.add(txtPassword, gbc); + + // Row 3: Gender selection + gbc.gridx = 0; gbc.gridy = 3; + panel.add(new JLabel("Gender:"), gbc); + gbc.gridx = 1; + rbMale = new JRadioButton("Male"); rbFemale = new JRadioButton("Female"); + ButtonGroup bg = new ButtonGroup(); bg.add(rbMale); bg.add(rbFemale); + JPanel genderPanel = new JPanel(); genderPanel.add(rbMale); genderPanel.add(rbFemale); + panel.add(genderPanel, gbc); + + // Row 4: Interests selection + gbc.gridx = 0; gbc.gridy = 4; + panel.add(new JLabel("Interests:"), gbc); + gbc.gridx = 1; + cbJava = new JCheckBox("Java"); cbPython = new JCheckBox("Python"); cbCpp = new JCheckBox("C++"); + JPanel interestPanel = new JPanel(); + interestPanel.add(cbJava); interestPanel.add(cbPython); interestPanel.add(cbCpp); + panel.add(interestPanel, gbc); + + // Row 5: Submit button + gbc.gridx = 1; gbc.gridy = 5; + gbc.anchor = GridBagConstraints.CENTER; + btnSubmit = new JButton("Submit"); + btnSubmit.addActionListener(this); + panel.add(btnSubmit, gbc); + + add(panel); +} +``` + +*Explanation:* We configure `GridBagLayout` with padding, add labels and inputs sequentially by grid coordinates, and group related radio and checkbox components in sub-panels. + +**Part 3: Event Handling** +Collect input values on submit and display them. + +```java +@Override +public void actionPerformed(ActionEvent e) { + String name = txtName.getText(); + String email = txtEmail.getText(); + String gender = rbMale.isSelected() ? "Male" : rbFemale.isSelected() ? "Female" : "Unspecified"; + String interests = ""; + if (cbJava.isSelected()) interests += "Java "; + if (cbPython.isSelected()) interests += "Python "; + if (cbCpp.isSelected()) interests += "C++ "; + + JOptionPane.showMessageDialog(this, + "Name: " + name + "\n" + + "Email: " + email + "\n" + + "Gender: " + gender + "\n" + + "Interests: " + interests, + "Registration Details", JOptionPane.INFORMATION_MESSAGE); +} +``` + +*Explanation:* On button press, we read each field's value, determine selected options, and show a summary dialog. + +**Part 4: Application Entry Point** +Run the form on the Swing event thread. + +```java +public static void main(String[] args) { + SwingUtilities.invokeLater(() -> new RegistrationFormApp().setVisible(true)); +} +``` + +*Explanation:* Ensures safe creation and display of the GUI on the Event Dispatch Thread. +--- +### output of the code: +... +... +... diff --git a/part-1/ClickCounterApp.java b/part-1/ClickCounterApp.java new file mode 100644 index 0000000..bd2c4c7 --- /dev/null +++ b/part-1/ClickCounterApp.java @@ -0,0 +1,38 @@ +import javax.swing.*; +import java.awt.*; +import java.awt.event.*; + +public class ClickCounterApp extends JFrame implements ActionListener { + + private JLabel counterLabel; + private JButton clickButton; + private int count = 0; + + public ClickCounterApp() { + setTitle("Click Counter"); + setSize(300, 200); + setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + setLocationRelativeTo(null); // Center on screen + + counterLabel = new JLabel("Clicks: 0", SwingConstants.CENTER); + counterLabel.setFont(new Font("Arial", Font.BOLD, 24)); + + clickButton = new JButton("Click Me"); + clickButton.setFont(new Font("Arial", Font.PLAIN, 18)); + clickButton.addActionListener(this); + + setLayout(new BorderLayout()); + add(counterLabel, BorderLayout.CENTER); + add(clickButton, BorderLayout.SOUTH); + } + + @Override + public void actionPerformed(ActionEvent e) { + count++; + counterLabel.setText("Clicks: " + count); + } + + public static void main(String[] args) { + SwingUtilities.invokeLater(() -> new ClickCounterApp().setVisible(true)); + } +} diff --git a/part-1/E1.java b/part-1/E1.java deleted file mode 100644 index e69de29..0000000 diff --git a/part-2/E2.java b/part-2/E2.java deleted file mode 100644 index e69de29..0000000 diff --git a/part-2/GreetingFormApp.java b/part-2/GreetingFormApp.java new file mode 100644 index 0000000..4acdc6d --- /dev/null +++ b/part-2/GreetingFormApp.java @@ -0,0 +1,46 @@ +import javax.swing.*; +import java.awt.*; +import java.awt.event.*; + +public class GreetingFormApp extends JFrame implements ActionListener { + + private JTextField nameField; + private JButton greetButton; + private JLabel messageLabel; + + public GreetingFormApp() { + setTitle("Greeting Form"); + setSize(400, 150); + setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + setLocationRelativeTo(null); + + nameField = new JTextField(15); + greetButton = new JButton("Greet"); + messageLabel = new JLabel("Enter your name and press Greet.", SwingConstants.CENTER); + + greetButton.addActionListener(this); + + JPanel inputPanel = new JPanel(); + inputPanel.add(new JLabel("Name:")); + inputPanel.add(nameField); + inputPanel.add(greetButton); + + setLayout(new BorderLayout(10, 10)); + add(inputPanel, BorderLayout.NORTH); + add(messageLabel, BorderLayout.CENTER); + } + + @Override + public void actionPerformed(ActionEvent e) { + String name = nameField.getText().trim(); + if (name.isEmpty()) { + messageLabel.setText("Please enter a name."); + } else { + messageLabel.setText("Hello, " + name + "!"); + } + } + + public static void main(String[] args) { + SwingUtilities.invokeLater(() -> new GreetingFormApp().setVisible(true)); + } +} diff --git a/part-3/E3.java b/part-3/E3.java deleted file mode 100644 index e69de29..0000000 diff --git a/part-3/ThemeColorSelectorApp.java b/part-3/ThemeColorSelectorApp.java new file mode 100644 index 0000000..39a5a68 --- /dev/null +++ b/part-3/ThemeColorSelectorApp.java @@ -0,0 +1,60 @@ +import javax.swing.*; +import java.awt.*; +import java.awt.event.*; + +public class ThemeColorSelectorApp extends JFrame implements ActionListener { + + private JPanel mainPanel; + private JButton redButton; + private JButton greenButton; + private JButton blueButton; + + public ThemeColorSelectorApp() { + setTitle("Theme Color Selector"); + setSize(400, 300); + setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + setLocationRelativeTo(null); + + mainPanel = new JPanel(); + + redButton = new JButton("Red"); + greenButton = new JButton("Green"); + blueButton = new JButton("Blue"); + + redButton.setActionCommand("RED"); + greenButton.setActionCommand("GREEN"); + blueButton.setActionCommand("BLUE"); + + redButton.addActionListener(this); + greenButton.addActionListener(this); + blueButton.addActionListener(this); + + JPanel buttonPanel = new JPanel(); + buttonPanel.add(redButton); + buttonPanel.add(greenButton); + buttonPanel.add(blueButton); + + setLayout(new BorderLayout()); + add(buttonPanel, BorderLayout.NORTH); + add(mainPanel, BorderLayout.CENTER); + } + + @Override + public void actionPerformed(ActionEvent e) { + switch (e.getActionCommand()) { + case "RED": + mainPanel.setBackground(Color.RED); + break; + case "GREEN": + mainPanel.setBackground(Color.GREEN); + break; + case "BLUE": + mainPanel.setBackground(Color.BLUE); + break; + } + } + + public static void main(String[] args) { + SwingUtilities.invokeLater(() -> new ThemeColorSelectorApp().setVisible(true)); + } +} diff --git a/part-4/RegistrationFormApp.java b/part-4/RegistrationFormApp.java new file mode 100644 index 0000000..150f8f3 --- /dev/null +++ b/part-4/RegistrationFormApp.java @@ -0,0 +1,105 @@ +import javax.swing.*; +import java.awt.*; +import java.awt.event.*; + +public class RegistrationFormApp extends JFrame implements ActionListener { + + private JTextField txtName; + private JTextField txtEmail; + private JPasswordField txtPassword; + private JRadioButton rbMale, rbFemale; + private JCheckBox cbJava, cbPython, cbCpp; + private JButton btnSubmit; + private GridBagConstraints gbc; + + public RegistrationFormApp() { + setTitle("User Registration"); + setSize(500, 350); + setDefaultCloseOperation(EXIT_ON_CLOSE); + setLocationRelativeTo(null); + + JPanel panel = new JPanel(new GridBagLayout()); + gbc = new GridBagConstraints(); + gbc.insets = new Insets(5, 5, 5, 5); + gbc.fill = GridBagConstraints.HORIZONTAL; + + // Row 0 + gbc.gridx = 0; gbc.gridy = 0; + panel.add(new JLabel("Name:"), gbc); + gbc.gridx = 1; + txtName = new JTextField(20); + panel.add(txtName, gbc); + + // Row 1 + gbc.gridx = 0; gbc.gridy = 1; + panel.add(new JLabel("Email:"), gbc); + gbc.gridx = 1; + txtEmail = new JTextField(20); + panel.add(txtEmail, gbc); + + // Row 2 + gbc.gridx = 0; gbc.gridy = 2; + panel.add(new JLabel("Password:"), gbc); + gbc.gridx = 1; + txtPassword = new JPasswordField(20); + panel.add(txtPassword, gbc); + + // Row 3 + gbc.gridx = 0; gbc.gridy = 3; + panel.add(new JLabel("Gender:"), gbc); + gbc.gridx = 1; + rbMale = new JRadioButton("Male"); + rbFemale = new JRadioButton("Female"); + ButtonGroup bg = new ButtonGroup(); + bg.add(rbMale); + bg.add(rbFemale); + JPanel genderPanel = new JPanel(); + genderPanel.add(rbMale); + genderPanel.add(rbFemale); + panel.add(genderPanel, gbc); + + // Row 4 + gbc.gridx = 0; gbc.gridy = 4; + panel.add(new JLabel("Interests:"), gbc); + gbc.gridx = 1; + cbJava = new JCheckBox("Java"); + cbPython = new JCheckBox("Python"); + cbCpp = new JCheckBox("C++"); + JPanel interestPanel = new JPanel(); + interestPanel.add(cbJava); + interestPanel.add(cbPython); + interestPanel.add(cbCpp); + panel.add(interestPanel, gbc); + + // Row 5: Submit button + gbc.gridx = 1; gbc.gridy = 5; + gbc.anchor = GridBagConstraints.CENTER; + btnSubmit = new JButton("Submit"); + btnSubmit.addActionListener(this); + panel.add(btnSubmit, gbc); + + add(panel); + } + + @Override + public void actionPerformed(ActionEvent e) { + String name = txtName.getText(); + String email = txtEmail.getText(); + String gender = rbMale.isSelected() ? "Male" : rbFemale.isSelected() ? "Female" : "Unspecified"; + StringBuilder interests = new StringBuilder(); + if (cbJava.isSelected()) interests.append("Java "); + if (cbPython.isSelected()) interests.append("Python "); + if (cbCpp.isSelected()) interests.append("C++ "); + + JOptionPane.showMessageDialog(this, + "Name: " + name + "\n" + + "Email: " + email + "\n" + + "Gender: " + gender + "\n" + + "Interests: " + interests.toString(), + "Registration Details", JOptionPane.INFORMATION_MESSAGE); + } + + public static void main(String[] args) { + SwingUtilities.invokeLater(() -> new RegistrationFormApp().setVisible(true)); + } +}