Example usage for javax.swing JTextField JTextField

Introduction

In this page you can find the example usage for javax.swing JTextField JTextField.

Prototype

public JTextField() 

Source Link

Document

Constructs a new TextField.

Usage

From source file:Main.java

public static void main(final String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel userPanel = new JPanel(new BorderLayout());
    JLabel userLabel = new JLabel("Username: ");
    userLabel.setDisplayedMnemonic(KeyEvent.VK_U);
    JTextField userTextField = new JTextField();
    userLabel.setLabelFor(userTextField);
    userPanel.add(userLabel, BorderLayout.WEST);
    userPanel.add(userTextField, BorderLayout.CENTER);

    System.out.println(userLabel.getDisplayedMnemonic());

    JPanel passPanel = new JPanel(new BorderLayout());
    JLabel passLabel = new JLabel("Password: ");
    passLabel.setDisplayedMnemonic('p');
    JPasswordField passTextField = new JPasswordField();
    passLabel.setLabelFor(passTextField);
    passPanel.add(passLabel, BorderLayout.WEST);
    passPanel.add(passTextField, BorderLayout.CENTER);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(userPanel, BorderLayout.NORTH);
    panel.add(passPanel, BorderLayout.SOUTH);
    frame.add(panel, BorderLayout.NORTH);

    frame.setSize(250, 150);//from   w w  w. j a v  a 2  s. c  om
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(final String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel userPanel = new JPanel(new BorderLayout());
    JLabel userLabel = new JLabel("Username: ");
    userLabel.setDisplayedMnemonic(KeyEvent.VK_U);
    JTextField userTextField = new JTextField();
    userLabel.setLabelFor(userTextField);
    userPanel.add(userLabel, BorderLayout.WEST);
    userPanel.add(userTextField, BorderLayout.CENTER);

    System.out.println(userLabel.getHorizontalAlignment());

    JPanel passPanel = new JPanel(new BorderLayout());
    JLabel passLabel = new JLabel("Password: ");
    passLabel.setDisplayedMnemonic('p');
    JPasswordField passTextField = new JPasswordField();
    passLabel.setLabelFor(passTextField);
    passPanel.add(passLabel, BorderLayout.WEST);
    passPanel.add(passTextField, BorderLayout.CENTER);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(userPanel, BorderLayout.NORTH);
    panel.add(passPanel, BorderLayout.SOUTH);
    frame.add(panel, BorderLayout.NORTH);

    frame.setSize(250, 150);/*  w  w  w.j  av a 2s.c  o m*/
    frame.setVisible(true);
}

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From source file:MainClass.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("Password Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel userPanel = new JPanel(new BorderLayout());
    JLabel userLabel = new JLabel("Username: ");
    userLabel.setDisplayedMnemonic(KeyEvent.VK_U);
    JTextField userTextField = new JTextField();
    userLabel.setLabelFor(userTextField);
    userPanel.add(userLabel, BorderLayout.WEST);
    userPanel.add(userTextField, BorderLayout.CENTER);

    JPanel passPanel = new JPanel(new BorderLayout());
    JLabel passLabel = new JLabel("Password: ");
    passLabel.setDisplayedMnemonic(KeyEvent.VK_P);
    JPasswordField passTextField = new JPasswordField();
    passLabel.setLabelFor(passTextField);
    passPanel.add(passLabel, BorderLayout.WEST);
    passPanel.add(passTextField, BorderLayout.CENTER);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(userPanel, BorderLayout.NORTH);
    panel.add(passPanel, BorderLayout.SOUTH);
    frame.add(panel, BorderLayout.NORTH);

    frame.setSize(250, 150);/*  w ww. j  ava2  s .  c o  m*/
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {
    final Action action = new AbstractAction("Action Name") {
        public void actionPerformed(ActionEvent evt) {
            System.out.println("action");
        }/*from   w w w . j  av  a2s.c om*/
    };

    JFrame frame = new JFrame();
    JButton button = new JButton(action);

    JTextField textfield = new JTextField();
    textfield.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("F2"),
            action.getValue(Action.NAME));
    textfield.getActionMap().put(action.getValue(Action.NAME), action);
}

---

From source file:MainClass.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("Popup Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    final JTextField textField = new JTextField();
    frame.add(textField, BorderLayout.NORTH);

    final JPopupMenu popup = new JPopupMenu();
    JMenuItem menuItem1 = new JMenuItem("Option 1");
    popup.add(menuItem1);//from  w  w  w  . j  a va 2s .  com

    JMenuItem menuItem2 = new JMenuItem("Option 2");
    popup.add(menuItem2);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            popup.show(textField, 10, 10);
        }
    };

    KeyStroke keystroke = KeyStroke.getKeyStroke(KeyEvent.VK_PERIOD, 0, false);
    textField.registerKeyboardAction(actionListener, keystroke, JComponent.WHEN_FOCUSED);

    frame.setSize(250, 150);
    frame.setVisible(true);
}

---

From source file:DefaultSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Default Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container content = frame.getContentPane();

    JTextField textField = new JTextField();
    content.add(textField, BorderLayout.NORTH);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            System.out.println(actionEvent.getActionCommand() + " selected");
        }//from w  w w  .j a va  2  s  .  c o  m
    };

    JPanel panel = new JPanel();
    JButton defaultButton = new JButton("Default Button");
    defaultButton.addActionListener(actionListener);
    panel.add(defaultButton);

    JButton otherButton = new JButton("Other Button");
    otherButton.addActionListener(actionListener);
    panel.add(otherButton);

    content.add(panel, BorderLayout.SOUTH);

    Keymap keymap = textField.getKeymap();
    KeyStroke keystroke = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, false);
    keymap.removeKeyStrokeBinding(keystroke);

    frame.getRootPane().setDefaultButton(defaultButton);

    frame.setSize(250, 150);
    frame.setVisible(true);
}

---

From source file:CutPasteSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Cut/Paste Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container content = frame.getContentPane();

    JTextField textField = new JTextField();
    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);

    content.add(textField, BorderLayout.NORTH);
    content.add(scrollPane, BorderLayout.CENTER);

    Action actions[] = textField.getActions();

    Action cutAction = TextUtilities.findAction(actions, DefaultEditorKit.cutAction);
    Action copyAction = TextUtilities.findAction(actions, DefaultEditorKit.copyAction);
    Action pasteAction = TextUtilities.findAction(actions, DefaultEditorKit.pasteAction);

    JPanel panel = new JPanel();
    content.add(panel, BorderLayout.SOUTH);

    JButton cutButton = new JButton(cutAction);
    cutButton.setText("Cut");
    panel.add(cutButton);//from   w w  w .  j  a  v  a2 s  .  c o  m

    JButton copyButton = new JButton(copyAction);
    copyButton.setText("Copy");
    panel.add(copyButton);

    JButton pasteButton = new JButton(pasteAction);
    pasteButton.setText("Paste");
    panel.add(pasteButton);

    frame.setSize(250, 250);
    frame.setVisible(true);
}

---

From source file:LabelSampleLoadText.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Label Focus Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name: ");
    label.setDisplayedMnemonic(KeyEvent.VK_N);
    JTextField textField = new JTextField();
    label.setLabelFor(textField);//w  w  w .j  av a2  s.c om
    panel.add(label, BorderLayout.WEST);
    panel.add(textField, BorderLayout.CENTER);
    frame.add(panel, BorderLayout.NORTH);
    frame.add(new JButton("Somewhere Else"), BorderLayout.SOUTH);
    frame.setSize(250, 150);
    frame.setVisible(true);

    FileReader reader = null;
    try {
        String filename = "test.txt";
        reader = new FileReader(filename);
        textField.read(reader, filename);
    } catch (IOException exception) {
        System.err.println("Load oops");
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException exception) {
                System.err.println("Error closing reader");
                exception.printStackTrace();
            }
        }
    }

}

---

From source file:LabelSampleSaveText.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Label Focus Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name: ");
    label.setDisplayedMnemonic(KeyEvent.VK_N);
    JTextField textField = new JTextField();
    label.setLabelFor(textField);/*from   ww  w. j a v a2s. c o  m*/
    panel.add(label, BorderLayout.WEST);
    panel.add(textField, BorderLayout.CENTER);
    frame.add(panel, BorderLayout.NORTH);
    frame.add(new JButton("Somewhere Else"), BorderLayout.SOUTH);
    frame.setSize(250, 150);
    frame.setVisible(true);

    textField.setText("your text");
    String filename = "test.txt";

    FileWriter writer = null;
    try {
        writer = new FileWriter(filename);
        textField.write(writer);
    } catch (IOException exception) {
        System.err.println("Save oops");
    } finally {
        if (writer != null) {
            try {
                writer.close();
            } catch (IOException exception) {
                System.err.println("Error closing writer");
                exception.printStackTrace();
            }
        }
    }
}

---

From source file:PasswordFieldSample.java

public static void main(String args[]) {
    String title = "Password Example";
    JFrame frame = new JFrame(title);
    Container content = frame.getContentPane();

    JPanel userPanel = new JPanel(new BorderLayout());
    JLabel userLabel = new JLabel("Username: ");
    userLabel.setDisplayedMnemonic(KeyEvent.VK_U);
    JTextField userTextField = new JTextField();
    userLabel.setLabelFor(userTextField);
    userPanel.add(userLabel, BorderLayout.WEST);
    userPanel.add(userTextField, BorderLayout.CENTER);

    JPanel passPanel = new JPanel(new BorderLayout());
    JLabel passLabel = new JLabel("Password: ");
    passLabel.setDisplayedMnemonic(KeyEvent.VK_P);
    JPasswordField passTextField = new JPasswordField();
    passLabel.setLabelFor(passTextField);
    passPanel.add(passLabel, BorderLayout.WEST);
    passPanel.add(passTextField, BorderLayout.CENTER);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(userPanel, BorderLayout.NORTH);
    panel.add(passPanel, BorderLayout.SOUTH);
    content.add(panel, BorderLayout.NORTH);

    frame.setSize(250, 150);/*ww w .  j  a  v a2 s . c  o  m*/
    frame.setVisible(true);
}

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