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(int columns)

Source Link

Document

Constructs a new empty TextField with the specified number of columns.

Usage

From source file:Main.java

public static void main(String[] argv) {
    JTextField component = new JTextField(10);

    component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(new Character(' '), 0),
            "actionName");

    JFrame f = new JFrame();
    f.add(component);//  w  w  w.  j a v  a2  s .  c  o  m

    f.setSize(300, 300);

    f.setVisible(true);

}

From source file:Main.java

public static void main(String[] argv) {
    JTextField component = new JTextField(10);

    component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("shift pressed SPACE"),
            "actionName");

    JFrame f = new JFrame();
    f.add(component);//from   w w w  .j a  v a2 s.c  o m

    f.setSize(300, 300);

    f.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame("Text Field Elements");
    JTextField tf = new JTextField(32);
    tf.setText("That's one small step for man...");
    f.getContentPane().add(tf);//from  ww  w  .  j  ava2  s.  c om
    f.pack();
    f.setVisible(true);

    ((AbstractDocument) tf.getDocument()).dump(System.out);
}

From source file:Main.java

public static void main(String[] args) {
    JTextField ipField = new JTextField(10);
    JTextField portField = new JTextField(10);
    JPanel panel = new JPanel();
    panel.add(new JLabel("IP:"));
    panel.add(ipField);/*  w  ww  .  ja  v a2  s.  c o m*/

    panel.add(Box.createHorizontalStrut(15));
    panel.add(new JLabel("Port:"));
    panel.add(portField);

    int result = JOptionPane.showConfirmDialog(null, panel, "Enter Information", JOptionPane.OK_CANCEL_OPTION);

    if (result == JOptionPane.OK_OPTION) {
        System.out.println("IP: " + ipField.getText());
        System.out.println("Port: " + portField.getText());
    }
}

From source file:Main.java

public static void main(String[] args) {
    JTextField xField = new JTextField(5);
    JTextField yField = new JTextField(5);

    JPanel myPanel = new JPanel();
    myPanel.add(new JLabel("x:"));
    myPanel.add(xField);/*from ww  w .  java  2 s  .c  om*/
    myPanel.add(Box.createHorizontalStrut(15)); // a spacer
    myPanel.add(new JLabel("y:"));
    myPanel.add(yField);

    int result = JOptionPane.showConfirmDialog(null, myPanel, "Please Enter X and Y Values",
            JOptionPane.OK_CANCEL_OPTION);
    if (result == JOptionPane.OK_OPTION) {
        System.out.println("x value: " + xField.getText());
        System.out.println("y value: " + yField.getText());
    }

}

From source file:SimpleDnD.java

public static void main(String[] args) {
    JTextField field = new JTextField(10);
    JButton button = new JButton("Button");
    JFrame f = new JFrame();
    f.setTitle("Simple Drag & Drop");

    f.setLayout(new FlowLayout());
    f.add(button);//from   w w  w.  ja  v a2  s.  c  o  m
    f.add(field);

    field.setDragEnabled(true);
    button.setTransferHandler(new TransferHandler("text"));

    f.setSize(330, 150);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setLocationRelativeTo(null);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JTextField firstField = new JTextField(10);
    JTextField middleField = new JTextField(10);
    JTextField lastField = new JTextField(10);

    JLabel firstLabel = new JLabel("First Name", JLabel.RIGHT);
    firstLabel.setDisplayedMnemonic('F');
    firstLabel.setLabelFor(firstField);// w  ww .  ja  va  2  s  .  c  om

    JLabel middleLabel = new JLabel("Middle Initial", JLabel.RIGHT);
    middleLabel.setDisplayedMnemonic('I');
    middleLabel.setDisplayedMnemonicIndex(7);
    middleLabel.setLabelFor(middleField);

    JLabel lastLabel = new JLabel("Last Name", JLabel.RIGHT);
    lastLabel.setDisplayedMnemonic('L');
    lastLabel.setLabelFor(lastField);

    JPanel p = new JPanel();
    p.setLayout(new GridLayout(3, 2, 5, 5));
    p.add(firstLabel);
    p.add(firstField);
    p.add(middleLabel);
    p.add(middleField);
    p.add(lastLabel);
    p.add(lastField);

    JFrame f = new JFrame("MnemonicLabels");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setContentPane(p);
    f.pack();
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel();
    panel.add(new JTextField(10));
    panel.add(new JButton("button"));
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(panel);/*  www. j  a v a 2 s.  co m*/
    frame.pack();
    frame.setVisible(true);

    frame.addWindowListener(new WindowAdapter() {
        @Override
        public void windowIconified(WindowEvent wEvt) {
            ((JFrame) wEvt.getSource()).dispose();
        }

        @Override
        public void windowDeactivated(WindowEvent wEvt) {
            ((JFrame) wEvt.getSource()).dispose();
        }
    });
}

From source file:MainClass.java

public static void main(String[] args) {
    JTextField field = new JTextField(30);

    ((AbstractDocument) (field.getDocument())).setDocumentFilter(new DocumentFilter() {
        public void insertString(FilterBypass fb, int offset, String string, AttributeSet attr)
                throws BadLocationException {
            System.out.println("insert");
            fb.insertString(offset, string.toUpperCase(), attr);
        }/*from  w w  w  .j  a v  a  2  s.  com*/

        public void replace(FilterBypass fb, int offset, int length, String string, AttributeSet attr)
                throws BadLocationException {
            System.out.println("replace");
            fb.replace(offset, length, string.toUpperCase(), attr);
        }
    });

    JFrame frame = new JFrame("User Information");
    frame.getContentPane().add(field);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

From source file:Main.java

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

    JTextField textField = new JTextField("A TextField");
    textField.addFocusListener(new FocusListener() {
        public void focusGained(FocusEvent e) {
            displayMessage("Focus gained", e);
        }/*ww  w .j av  a 2  s . c  o  m*/

        public void focusLost(FocusEvent e) {
            displayMessage("Focus lost", e);
        }

        void displayMessage(String prefix, FocusEvent e) {
            System.out.println(e.getID() == FocusEvent.FOCUS_GAINED);
        }
    });
    frame.add(textField, "North");
    frame.add(new JTextField(), "South");
    frame.setSize(300, 200);
    frame.setVisible(true);
}