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:MainClass.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("Alignment Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLayout(new GridLayout(0, 1));
    JTextField textField = new JTextField("Left");
    textField.setHorizontalAlignment(JTextField.LEFT);
    frame.add(textField);/* w w w  .  j  av  a  2  s. co m*/
    textField = new JTextField("Center");
    textField.setHorizontalAlignment(JTextField.CENTER);
    frame.add(textField);
    textField = new JTextField("Right");
    textField.setHorizontalAlignment(JTextField.RIGHT);
    frame.add(textField);
    textField = new JTextField("Leading");
    textField.setHorizontalAlignment(JTextField.LEADING);
    frame.add(textField);
    textField = new JTextField("Trailing");
    textField.setHorizontalAlignment(JTextField.TRAILING);
    frame.add(textField);
    frame.pack();
    frame.setSize(250, (int) frame.getSize().getHeight());
    frame.setVisible(true);

}

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From source file:UsingFocusListener.java

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

    JTextField textField = new JTextField("A TextField");

    KeyboardFocusManager focusManager = KeyboardFocusManager.getCurrentKeyboardFocusManager();
    focusManager.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent e) {
            String prop = e.getPropertyName();
            System.out.println(prop);

        }//from ww w  . j a v  a 2s. c  o  m
    });

    frame.add(textField, "North");
    frame.add(new JTextField(), "South");
    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JTabbedPane tabbedPane;//from  w w  w  .j av  a2s .c o m
    JTextField txtFoo = new JTextField(10);
    JPanel pnlFoo = new JPanel();
    pnlFoo.add(new JButton("Button 1"));
    pnlFoo.add(new JLabel("Foo"));
    pnlFoo.add(txtFoo);

    JTextField txtBar = new JTextField(10);
    JPanel pnlBar = new JPanel();
    pnlBar.add(new JButton("Button 3"));
    pnlBar.add(new JLabel("Bar"));
    pnlBar.add(txtBar);

    tabbedPane = new JTabbedPane();
    tabbedPane.addTab("Tab 1", pnlFoo);
    tabbedPane.addTab("Tab 2", pnlBar);

    tabbedPane.addChangeListener(e -> {
        Component comp = tabbedPane.getSelectedComponent();
        if (comp.equals(pnlFoo)) {
            txtFoo.requestFocusInWindow();
        } else if (comp.equals(pnlBar)) {
            txtBar.requestFocusInWindow();
        }
    });

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(460, 200);
    frame.getContentPane().add(tabbedPane, BorderLayout.CENTER);
    frame.setVisible(true);

    txtFoo.requestFocusInWindow();
}

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From source file:Main.java

public static void main(String[] args) {
    Object[] options1 = { "Try This Number", "Choose A Random Number", "Quit" };

    JPanel panel = new JPanel();
    panel.add(new JLabel("Enter number between 0 and 1000"));
    JTextField textField = new JTextField(10);
    panel.add(textField);//from  w  ww  .  j  av a2 s  .co  m

    int result = JOptionPane.showOptionDialog(null, panel, "Enter a Number", JOptionPane.YES_NO_CANCEL_OPTION,
            JOptionPane.PLAIN_MESSAGE, null, options1, null);
    if (result == JOptionPane.YES_OPTION) {
        JOptionPane.showMessageDialog(null, textField.getText());
    }
}

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From source file:Main.java

public static void main(String[] args) {
    String[] items = { "item1", "item2", "item1" };
    JList<String> list = new JList<>(items);
    JTextField output = new JTextField(15);
    JPanel gui = new JPanel();
    gui.add(list);// w ww  .  j  ava  2 s .  co  m
    gui.add(output);
    list.addListSelectionListener(new ListSelectionListener() {
        public void valueChanged(ListSelectionEvent lse) {
            int index = list.getSelectedIndex();
            String outputText = "Index: " + index + "  Value: " + items[index];
            output.setText(outputText);
        }
    });
    JOptionPane.showMessageDialog(null, gui);
}

---

From source file:Main.java

public static void main(String[] args) {
    int specificX = 40;
    int specificY = 20;

    JPanel gui = new JPanel(new BorderLayout());
    JTextField tf = new JTextField(10);
    JPanel borderPanel = new JPanel(new GridLayout());
    borderPanel.add(tf);/* w  ww .  j  av  a 2  s .  c o m*/
    borderPanel.setBorder(new EmptyBorder(specificX, specificY, specificX, specificY));
    borderPanel.setBackground(Color.GREEN);
    gui.add(borderPanel);

    JOptionPane.showMessageDialog(null, gui);

}

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From source file:Main.java

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

    // Override letter a
    component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("typed a"), "actionName");

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

    component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("typed X"), "none");

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

    component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(new Character(' '), 0), "none");

    MyAction action = new MyAction();

    component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("pressed SPACE"),
            action.getValue(Action.NAME));

    component.getActionMap().put(action.getValue(Action.NAME), action);
}

---

From source file:Main.java

public static void main(String args[]) {
    final JTextField textField = new JTextField(15);
    JButton buttonCut = new JButton("Cut");
    JButton buttonPaste = new JButton("Paste");
    JButton buttonCopy = new JButton("Copy");

    JFrame jfrm = new JFrame("Cut, Copy, and Paste");
    jfrm.setLayout(new FlowLayout());
    jfrm.setSize(230, 150);/*w  ww  . j a va  2 s .  c om*/
    jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    buttonCut.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent le) {
            textField.cut();
        }
    });

    buttonPaste.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent le) {
            textField.paste();
        }
    });

    buttonCopy.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent le) {
            textField.copy();
        }
    });

    textField.addCaretListener(new CaretListener() {
        public void caretUpdate(CaretEvent ce) {
            System.out.println("All text: " + textField.getText());
            if (textField.getSelectedText() != null)
                System.out.println("Selected text: " + textField.getSelectedText());
            else
                System.out.println("Selected text: ");
        }
    });

    jfrm.add(textField);
    jfrm.add(buttonCut);
    jfrm.add(buttonPaste);
    jfrm.add(buttonCopy);
    jfrm.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel();
    panel.setLayout(new OverlayLayout(panel));

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.add("1", new JTextField("one"));
    tabbedPane.add("2", new JTextField("two"));
    tabbedPane.setAlignmentX(1.0f);/* w w w .jav a 2 s  . co  m*/
    tabbedPane.setAlignmentY(0.0f);

    JCheckBox checkBox = new JCheckBox("Add tab");
    checkBox.setOpaque(false);
    checkBox.setAlignmentX(1.0f);
    checkBox.setAlignmentY(0.0f);

    panel.add(checkBox);
    panel.add(tabbedPane);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(panel);
    frame.setSize(400, 100);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel();
    panel.setLayout(new OverlayLayout(panel));

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.add("1", new JTextField("one"));
    tabbedPane.add("2", new JTextField("two"));
    tabbedPane.setAlignmentX(1.0f);/*from  w  ww.j  a v  a 2 s  .  c  o m*/
    tabbedPane.setAlignmentY(0.0f);

    JCheckBox checkBox = new JCheckBox("Check Me");
    checkBox.setOpaque(false);
    checkBox.setAlignmentX(1.0f);
    checkBox.setAlignmentY(0.0f);

    panel.add(checkBox);
    panel.add(tabbedPane);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(panel);
    frame.setLocationByPlatform(true);
    frame.setSize(400, 100);
    frame.setVisible(true);
}

---

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