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(String[] args) {
    JFrame f = new JFrame();

    Box b = Box.createVerticalBox();

    JTextField field1 = new JTextField();
    JTextField field2 = new JTextField();
    field1.setMaximumSize(new Dimension(Integer.MAX_VALUE, field1.getPreferredSize().height));
    field2.setMaximumSize(new Dimension(Integer.MAX_VALUE, field2.getPreferredSize().height));
    b.add(field1);/*from ww w.j  a v a  2 s.  co m*/
    b.add(field2);

    b.add(Box.createVerticalGlue());

    f.setContentPane(b);
    f.setSize(500, 200);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] argv) {
    JTextComponent textComp = new JTextField();
    textComp.setDocument(new FixedSizePlainDocument(10));
}

From source file:Main.java

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

    JTextField jTextField1 = new JTextField();

    jTextField1.setText("jTextField1");
    jTextField1.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(ActionEvent e) {
            System.out.println("action");
        }//from   w  w w .  j  a  va2  s.c  o  m
    });
    frame.add(jTextField1);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

From source file:Main.java

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

    JTextField nameTextField = new JTextField();
    JLabel nameLabel = new JLabel("Name:");
    nameLabel.setDisplayedMnemonic('N');
    nameLabel.setLabelFor(nameTextField);

    frame.add(nameLabel, BorderLayout.WEST);
    frame.add(nameTextField, BorderLayout.CENTER);

    frame.pack();/*from w w w . j a va  2  s  .  c o m*/
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] argv) {
    JTextComponent textComponent = new JTextField();
    AbstractDocument doc = (AbstractDocument) textComponent.getDocument();
    doc.setDocumentFilter(new FixedSizeFilter(10));
}

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Verifier Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTextField textField1 = new JTextField();
    JTextField textField2 = new JTextField();
    InputVerifier verifier = new InputVerifier() {
        public boolean verify(JComponent comp) {
            boolean returnValue;
            JTextField textField = (JTextField) comp;
            try {
                Integer.parseInt(textField.getText());
                returnValue = true;/* w  ww.j  a  v a  2 s . c  o m*/
            } catch (NumberFormatException e) {
                returnValue = false;
            }
            return returnValue;
        }
    };
    textField1.setInputVerifier(verifier);
    frame.add(textField1, BorderLayout.NORTH);
    frame.add(textField2, BorderLayout.CENTER);
    frame.setSize(300, 100);
    frame.setVisible(true);
}

From source file:CaretEeventListener.java

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

    JTextField textField = new JTextField();

    textField.addCaretListener(new CaretListener() {

        public void caretUpdate(CaretEvent e) {
            System.out.println(e);

        }//from w w w.  j a v a 2s. c  om
    });

    frame.add(new JScrollPane(textField));

    frame.setSize(300, 200);
    frame.setVisible(true);
}

From source file:MainClass.java

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

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

    FileReader reader = null;/*from ww w  .  ja v  a  2s .  c  o  m*/
    try {
        reader = new FileReader("fileName.txt");
        nameTextField.read(reader, "fileName.txt");
    } catch (IOException exception) {
        System.err.println("Load oops");
        exception.printStackTrace();
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException exception) {
                System.err.println("Error closing reader");
                exception.printStackTrace();
            }
        }
    }

    frame.setSize(250, 100);
    frame.setVisible(true);
}

From source file:MainClass.java

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

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

    FileWriter writer = null;/*from   www . j a v a 2s  .c o  m*/
    try {
        writer = new FileWriter("filename.txt");
        nameTextField.write(writer);
    } catch (IOException exception) {
        System.err.println("Save oops");
        exception.printStackTrace();
    } finally {
        if (writer != null) {
            try {
                writer.close();
            } catch (IOException exception) {
                System.err.println("Error closing writer");
                exception.printStackTrace();
            }
        }
    }

    frame.setSize(250, 100);
    frame.setVisible(true);
}

From source file:MainClass.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Verifier Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTextField textField1 = new JTextField();
    JTextField textField2 = new JTextField();
    JTextField textField3 = new JTextField();

    InputVerifier verifier = new InputVerifier() {
        public boolean verify(JComponent comp) {
            boolean returnValue;
            JTextField textField = (JTextField) comp;
            try {
                Integer.parseInt(textField.getText());
                returnValue = true;//from ww  w. j a v a2  s  .  c o m
            } catch (NumberFormatException e) {
                returnValue = false;
            }
            return returnValue;
        }
    };

    textField1.setInputVerifier(verifier);
    textField3.setInputVerifier(verifier);

    frame.add(textField1, BorderLayout.NORTH);
    frame.add(textField2, BorderLayout.CENTER);
    frame.add(textField3, BorderLayout.SOUTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
}