Example usage for javax.swing.text NavigationFilter NavigationFilter

Introduction

In this page you can find the example usage for javax.swing.text NavigationFilter NavigationFilter.

Prototype

NavigationFilter

Source Link

Usage

From source file:Main.java

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

    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);
    frame.add(scrollPane, BorderLayout.CENTER);

    NavigationFilter filter = new NavigationFilter() {
        public void setDot(NavigationFilter.FilterBypass fb, int dot, Position.Bias bias) {
            System.out.println("Setting: " + dot);
            fb.setDot(dot, bias);// w ww. ja  v a2s  .co  m

        }

        public void moveDot(NavigationFilter.FilterBypass fb, int dot, Position.Bias bias) {
            System.out.println("Moving: " + dot);
            fb.setDot(dot, bias);
        }
    };

    textArea.setNavigationFilter(filter);

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

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    final String START_STRING = "Start\n";
    final int START_STRING_LENGTH = START_STRING.length();

    JFrame frame = new JFrame("Navigation Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextArea textArea = new JTextArea(START_STRING);
    textArea.setCaretPosition(START_STRING_LENGTH);
    JScrollPane scrollPane = new JScrollPane(textArea);
    frame.add(scrollPane, BorderLayout.CENTER);

    NavigationFilter filter = new NavigationFilter() {
        public void setDot(NavigationFilter.FilterBypass fb, int dot, Position.Bias bias) {
            if (dot < START_STRING_LENGTH) {
                fb.setDot(START_STRING_LENGTH, bias);
            } else {
                fb.setDot(dot, bias);/* ww  w.  j  av  a  2  s  .  c  o m*/
            }
        }

        public void moveDot(NavigationFilter.FilterBypass fb, int dot, Position.Bias bias) {
            if (dot < START_STRING_LENGTH) {
                fb.setDot(START_STRING_LENGTH, bias);
            } else {
                fb.setDot(dot, bias);
            }
        }
    };

    textArea.setNavigationFilter(filter);

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

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