import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.text.Highlighter;

public class Textselektion {

    Highlighter hl = null;
    Color defaultSelTextColor, defaultSelColor;

    public Textselektion() {
        initGUI();
    }

    private void initGUI() {
        final JTextField field = new JTextField(20);
        hl = field.getHighlighter();
        defaultSelTextColor = field.getSelectedTextColor();
        defaultSelColor = field.getSelectionColor();
        final JButton highlightButt = new JButton("No Highlight");
        highlightButt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (field.getHighlighter() != null) {
                    field.setHighlighter(null);
                    highlightButt.setText("Highlight");
                } else {
                    field.setHighlighter(hl);
                    highlightButt.setText("No Highlight");
                }
            }
        });
        final JButton selectButt = new JButton("Default Selection");
        selectButt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (field.getSelectionColor() != defaultSelColor) {
                    field.setSelectionColor(defaultSelColor);
                    field.setSelectedTextColor(defaultSelTextColor);
                    selectButt.setText("Custom Colors");
                } else {
                    field.setSelectionColor(Color.GREEN);
                    field.setSelectedTextColor(Color.RED);
                    selectButt.setText("Default Colors");
                }
            }
        });
        JPanel buttPanel = new JPanel(new FlowLayout());
        buttPanel.add(selectButt);
        buttPanel.add(highlightButt);
        JFrame frame = new JFrame("Selection-Test");
        frame.add(buttPanel, BorderLayout.SOUTH);
        frame.add(field, BorderLayout.CENTER);
        frame.pack();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> new Textselektion());
    }
}