Example usage for javax.swing JTextField getText

Introduction

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

Prototype

public String getText()

Source Link

Document

Returns the text contained in this TextComponent.

Usage

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;//from   w  ww . j a  v a 2 s . co  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:Main.java

public static void main(String args[]) {

    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;//from   w  ww.  java  2  s .  c  o  m
            } catch (NumberFormatException e) {
                returnValue = false;
            }
            return returnValue;
        }
    };
    textField1.setInputVerifier(verifier);

    JFrame frame = new JFrame("Verifier Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.add(textField1, BorderLayout.NORTH);
    frame.add(textField2, BorderLayout.CENTER);
    frame.setSize(300, 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  w  ww. j a  v a  2 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);
}

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();
    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;// w ww.  j a  v a 2s.c o m
            } catch (NumberFormatException e) {
                returnValue = false;
            }
            return returnValue;
        }
    };

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

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

From source file:Main.java

public static void main(String args[]) {
    SpinnerNumberModel model = new SpinnerNumberModel(0.0, -1000.0, 1000.0, 0.1);
    JSpinner s = new JSpinner(model);
    JSpinner.NumberEditor editor = new JSpinner.NumberEditor(s);
    s.setEditor(editor);//  ww  w. j  a  v  a  2  s . co m
    JTextField stepText = new JTextField(10);
    JButton bStepSet = new JButton("Set Step");
    bStepSet.addActionListener(e -> {
        Double val = Double.parseDouble(stepText.getText().trim());
        model.setStepSize(val);
    });
    JFrame f = new JFrame();
    Container c = f.getContentPane();
    c.add(s);
    JPanel southPanel = new JPanel();
    southPanel.add(stepText);
    southPanel.add(bStepSet);
    c.add(southPanel, BorderLayout.SOUTH);
    f.pack();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final JButton button = new JButton("Click me");
    button.addActionListener(e -> {//from www  . ja va 2s.c  o  m
        JFileChooser chooser = new JFileChooser();
        chooser.setSelectedFile(new File(chooser.getCurrentDirectory(), "save.dat"));
        final JTextField textField = getTexField(chooser);
        if (textField == null) {
            return;
        }
        String text = textField.getText();
        if (text == null) {
            return;
        }
        int index = text.lastIndexOf('.');
        if (index == -1) {
            return;
        }
        textField.setSelectionStart(0);
        textField.setSelectionEnd(index);

        chooser.showSaveDialog(button);

    });
    frame.add(button);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel myPanel = new JPanel();
    JTextField field1 = new JTextField(10);
    JTextField field2 = new JTextField(10);
    myPanel.add(field1);/*from   ww w  . ja va 2s. c  om*/
    myPanel.add(field2);
    JOptionPane.showMessageDialog(null, myPanel);
    System.out.println(field1.getText() + field2.getText());
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setSize(300, 300);//from  ww w.j a  v a  2s .  c o m

    JPanel panel = new JPanel(new GridLayout(3, 1));
    JLabel label = new JLabel();
    JTextField tf = new JTextField();
    JButton b = new JButton("calc sting width");
    b.addActionListener(e -> {
        FontMetrics fm = label.getFontMetrics(label.getFont());
        String text = tf.getText();
        int textWidth = fm.stringWidth(text);
        label.setText("text width for \"" + text + "\": " + textWidth);
    });
    panel.add(label);
    panel.add(tf);
    panel.add(b);
    frame.setContentPane(panel);
    frame.setVisible(true);
}

From source file:Main.java

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

    String[] list = { "Hello 1", "Hello 2", "Hello 3", "Hello 4" };
    DefaultComboBoxModel<String> model = new DefaultComboBoxModel<>(list);
    JComboBox<String> comboBox = new JComboBox<>(model);
    frame.add(comboBox, BorderLayout.NORTH);

    final JTextField textField = new JTextField(30);
    frame.add(textField, BorderLayout.SOUTH);
    frame.add(new JLabel("Type something, then press enter", JLabel.CENTER));

    textField.addActionListener(ae -> {
        String text = textField.getText();
        model.addElement(text);/*from  w w w  .  j a v a2s . c  o  m*/
        comboBox.setSelectedItem(text);
        textField.setText("");

    });

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] a) {
    final JTextField textField = new JTextField(5);

    textField.addFocusListener(new FocusListener() {
        public void focusGained(FocusEvent e) {
        }/*from w w w.  j  a va 2 s. c om*/

        public void focusLost(FocusEvent e) {
            if (!e.isTemporary()) {
                String content = textField.getText();
                if (!content.equals("a")) {
                    System.out.println("illegal value! " + content);
                    SwingUtilities.invokeLater(new FocusGrabber(textField));
                }
            }
        }
    });
    JFrame frame = new JFrame();
    frame.add(textField, BorderLayout.CENTER);
    frame.setSize(300, 300);
    frame.setVisible(true);

}