Example usage for javax.swing JTextPane setHighlighter

Introduction

In this page you can find the example usage for javax.swing JTextPane setHighlighter.

Prototype

@BeanProperty(expert = true, description = "object responsible for background highlights")
public void setHighlighter(Highlighter h) 

Source Link

Document

Sets the highlighter to be used.

Usage

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    JPanel panel = new JPanel();
    JTextPane textPane = new JTextPane();
    JTextField tf = new JTextField("is");
    String word = "";
    Highlighter highlighter = new UnderlineHighlighter(null);

    textPane.setHighlighter(highlighter);
    textPane.setText("This is a test");
    panel.setLayout(new BorderLayout());
    panel.add(new JLabel("Enter word, then press ENTER key: "), "West");
    panel.add(tf, "Center");

    final WordSearcher searcher = new WordSearcher(textPane);
    tf.addActionListener(e -> {/*from  w  w w .ja  v a2s  .  c o m*/
        String w = tf.getText().trim();
        int offset = searcher.search(w);
        if (offset == -1) {
            return;
        }
        try {
            textPane.scrollRectToVisible(textPane.modelToView(offset));
        } catch (BadLocationException ex) {
        }

    });
    textPane.getDocument().addDocumentListener(new DocumentListener() {
        @Override
        public void insertUpdate(DocumentEvent evt) {
            searcher.search(word);
        }

        @Override
        public void removeUpdate(DocumentEvent evt) {
            searcher.search(word);
        }

        @Override
        public void changedUpdate(DocumentEvent evt) {
        }
    });
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(panel, "South");
    f.add(new JScrollPane(textPane), "Center");
    f.setSize(400, 400);
    f.setVisible(true);
}

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