Example usage for javax.swing JTextField getCaretPosition

Introduction

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

Prototype

@Transient
public int getCaretPosition() 

Source Link

Document

Returns the position of the text insertion caret for the text component.

Usage

From source file:MainClass.java

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

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

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {

            int dotPosition = textField.getCaretPosition();
            Rectangle popupLocation = null;
            try {
                popupLocation = textField.modelToView(dotPosition);
            } catch (BadLocationException e) {
                e.printStackTrace();//from w  w  w  .j  av a2 s .c  om
            }
            System.out.println(popupLocation);
        }
    };

    KeyStroke keystroke = KeyStroke.getKeyStroke(KeyEvent.VK_PERIOD, 0, false);
    textField.registerKeyboardAction(actionListener, keystroke, JComponent.WHEN_FOCUSED);

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

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From source file:Main.java

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

    final JPopupMenu popup = new JPopupMenu();
    JMenuItem menuItem1 = new JMenuItem("Option 1");
    popup.add(menuItem1);/*from w ww.  jav  a 2  s.com*/

    JMenuItem menuItem2 = new JMenuItem("Option 2");
    popup.add(menuItem2);

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

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            try {
                int dotPosition = textField.getCaretPosition();
                Rectangle popupLocation = textField.modelToView(dotPosition);
                popup.show(textField, popupLocation.x, popupLocation.y);
            } catch (BadLocationException badLocationException) {
                System.err.println("Oops");
            }
        }
    };
    KeyStroke keystroke = KeyStroke.getKeyStroke(KeyEvent.VK_PERIOD, 0, false);
    textField.registerKeyboardAction(actionListener, keystroke, JComponent.WHEN_FOCUSED);

    frame.add(new JLabel("Press '.' to activate Popup menu"), BorderLayout.SOUTH);
    frame.setSize(250, 150);
    frame.setVisible(true);
}

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From source file:org.openconcerto.erp.core.common.ui.DeviseField.java

public static void addFilteringKeyListener(final JTextField textField) {

    textField.addKeyListener(new KeyAdapter() {
        public void keyTyped(java.awt.event.KeyEvent keyEvent) {

            final char keychar = keyEvent.getKeyChar();

            if (keychar == KeyEvent.VK_BACK_SPACE) {
                return;
            }//from   w  w w  .  j  a  v  a 2  s .  c  om

            // pas plus de 2 chiffres apres la virgule
            int pointPosition = textField.getText().indexOf('.');
            if (Character.isDigit(keychar)) {
                if (pointPosition > -1) {
                    // System.err.println("Text Selected :: " + textField.getSelectedText());
                    if (textField.getSelectedText() == null) {
                        if (textField.getCaretPosition() <= pointPosition) {
                            return;
                        } else {
                            if (textField.getText().substring(pointPosition).length() <= 2) {
                                return;
                            }
                        }
                    } else {
                        return;
                    }
                } else {
                    return;
                }
            }

            if (keychar == KeyEvent.VK_PERIOD && textField.getText().indexOf('.') < 0)
                return;
            // if (keychar == KeyEvent.VK_MINUS && (textField.getText().indexOf('-') < 0) &&
            // textField.getCaretPosition() == 0)
            // return;

            keyEvent.consume();
        }
    });
}

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