Example usage for javax.swing JTextField setText

Introduction

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

Prototype

@BeanProperty(bound = false, description = "the text of this component")
public void setText(String t)

Source Link

Document

Sets the text of this TextComponent to the specified text.

Usage

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);/*w  ww  . jav  a 2s  .c  om*/
        comboBox.setSelectedItem(text);
        textField.setText("");

    });

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

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);// w w  w  .j  av a 2  s .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: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);//from ww w. j av  a 2 s  . c  om
    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[]) throws Exception {
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name: ");
    label.setDisplayedMnemonic(KeyEvent.VK_N);
    JTextField textField = new JTextField();
    label.setLabelFor(textField);/*  www  . j a va 2s.c om*/
    panel.add(label, BorderLayout.WEST);
    panel.add(textField, BorderLayout.CENTER);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    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 = new FileWriter(filename);
    textField.write(writer);
    writer.close();

}

From source file:Main.java

public static void main(String[] args) {
    ScriptEngine engine = new ScriptEngineManager().getEngineByExtension("js");

    String[] ops = { "+", "-", "*", "/" };

    JPanel gui = new JPanel(new BorderLayout(2, 2));
    JPanel labels = new JPanel(new GridLayout(0, 1));
    gui.add(labels, BorderLayout.WEST);
    labels.add(new JLabel("a"));
    labels.add(new JLabel("operand"));
    labels.add(new JLabel("b"));
    labels.add(new JLabel("="));

    JPanel controls = new JPanel(new GridLayout(0, 1));
    gui.add(controls, BorderLayout.CENTER);
    JTextField a = new JTextField(10);
    controls.add(a);//from w  w  w.j ava 2 s .c o  m
    JComboBox operand = new JComboBox(ops);
    controls.add(operand);
    JTextField b = new JTextField(10);
    controls.add(b);
    JTextField output = new JTextField(10);
    controls.add(output);

    ActionListener al = new ActionListener() {
        public void actionPerformed(ActionEvent ae) {
            String expression = a.getText() + operand.getSelectedItem() + b.getText();
            try {
                Object result = engine.eval(expression);
                if (result == null) {
                    output.setText("Output was 'null'");
                } else {
                    output.setText(result.toString());
                }
            } catch (ScriptException se) {
                output.setText(se.getMessage());
            }
        }
    };

    operand.addActionListener(al);
    a.addActionListener(al);
    b.addActionListener(al);

    JOptionPane.showMessageDialog(null, gui);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel mainPanel = new JPanel();
    JTextField field = new JTextField(20);
    JTextField field1 = new JTextField(20);

    field.getDocument().addDocumentListener(new DocumentListener() {
        @Override//from www. j  av  a2 s.c  o m
        public void changedUpdate(DocumentEvent e) {
            updateLabel(e);
        }

        @Override
        public void insertUpdate(DocumentEvent e) {
            updateLabel(e);
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
            updateLabel(e);
        }

        private void updateLabel(DocumentEvent e) {
            field1.setText(field.getText());
        }
    });

    mainPanel.setLayout(new GridLayout(1, 0, 10, 0));
    mainPanel.add(field);
    mainPanel.add(field1);

    JFrame frame = new JFrame();
    frame.getContentPane().add(mainPanel);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
}

From source file:CaretSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Caret Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container content = frame.getContentPane();
    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);
    content.add(scrollPane, BorderLayout.CENTER);

    final JTextField dot = new JTextField();
    dot.setEditable(false);/*from   ww  w . j  a va2  s .co  m*/
    JPanel dotPanel = new JPanel(new BorderLayout());
    dotPanel.add(new JLabel("Dot: "), BorderLayout.WEST);
    dotPanel.add(dot, BorderLayout.CENTER);
    content.add(dotPanel, BorderLayout.NORTH);

    final JTextField mark = new JTextField();
    mark.setEditable(false);
    JPanel markPanel = new JPanel(new BorderLayout());
    markPanel.add(new JLabel("Mark: "), BorderLayout.WEST);
    markPanel.add(mark, BorderLayout.CENTER);
    content.add(markPanel, BorderLayout.SOUTH);

    CaretListener listener = new CaretListener() {
        public void caretUpdate(CaretEvent caretEvent) {
            dot.setText("" + caretEvent.getDot());
            mark.setText("" + caretEvent.getMark());
        }
    };

    textArea.addCaretListener(listener);

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

From source file:LoadSave.java

public static void main(String args[]) {
    final String filename = "text.out";
    JFrame frame = new JFrame("Loading/Saving Example");
    Container content = frame.getContentPane();

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

    JPanel panel = new JPanel();

    Action loadAction = new AbstractAction() {
        public void actionPerformed(ActionEvent e) {
            try {
                doLoadCommand(textField, filename);
            } catch (Exception e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();/*from  w  ww. j  av a  2s . c  o  m*/
            }
        }
    };
    loadAction.putValue(Action.NAME, "Load");
    JButton loadButton = new JButton(loadAction);
    panel.add(loadButton);

    Action saveAction = new AbstractAction() {
        public void actionPerformed(ActionEvent e) {
            try {
                doSaveCommand(textField, filename);
            } catch (Exception e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }
    };
    saveAction.putValue(Action.NAME, "Save");
    JButton saveButton = new JButton(saveAction);
    panel.add(saveButton);

    Action clearAction = new AbstractAction() {
        {
            putValue(Action.NAME, "Clear");
        }

        public void actionPerformed(ActionEvent e) {
            textField.setText("");
        }
    };
    JButton clearButton = new JButton(clearAction);
    panel.add(clearButton);

    content.add(panel, BorderLayout.SOUTH);

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

From source file:layout.SpringGrid.java

/**
 * Create the GUI and show it.  For thread safety,
 * this method should be invoked from the
 * event-dispatching thread./* w  w w.j  ava 2s  .c o m*/
 */
private static void createAndShowGUI() {
    //Create the panel and populate it.
    JPanel panel = new JPanel(new SpringLayout());
    for (int i = 0; i < 9; i++) {
        JTextField textField = new JTextField(Integer.toString(i));

        //Make the 4th field extra big.
        if (i == 4) {
            textField.setText("This one is extra long.");
        }

        panel.add(textField);
    }

    //Lay out the panel.
    SpringUtilities.makeGrid(panel, 3, 3, //rows, cols
            5, 5, //initialX, initialY
            5, 5);//xPad, yPad

    //Create and set up the window.
    JFrame frame = new JFrame("SpringGrid");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //Set up the content pane.
    panel.setOpaque(true); //content panes must be opaque
    frame.setContentPane(panel);

    //Display the window.
    frame.pack();
    frame.setVisible(true);
}

From source file:com.SCI.centraltoko.utility.UtilityTools.java

private static void convertToUpperCase(final JTextField textField) {
    textField.setText(textField.getText().toUpperCase());
}