PicSim - Breakpoints

package picsim.mvc.view;

import java.awt.Color;
import java.awt.Component;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;

public class BreakpointCellRenderer extends JLabel implements ListCellRenderer<String>{
    private static final long serialVersionUID = -7082125848079406969L;

    public List<Integer> bplist = new ArrayList<>();

    private JList<String> ss;

    public BreakpointCellRenderer(JList<String> s) {
        setOpaque(true);
        ss = s;
    }

    @Override
    public Component getListCellRendererComponent(JList<? extends String> list, String value, int index, boolean isSelected, boolean cellHasFocus) {
        setText(value.toString());

        if (bplist.contains(index)) setBackground(Color.RED);
        else if (isSelected) setBackground(Color.CYAN);
        else setBackground(Color.WHITE);

        return this;
    }

    public void setThings(List<Integer> s) {
        bplist = s;

        ss.repaint();
    }
}

//.........

    private DefaultTableModel table_model;
    private JScrollPane scrollpane_code;

    private JList<String> list_code;
    private DefaultListModel<String> listModel;
    private BreakpointCellRenderer list_renderer;

//........

        listModel = new DefaultListModel<String>();
        list_code = new JList<String>(listModel);

        list_code.addMouseListener(new MouseAdapter() {

            @Override
            public void mouseClicked(MouseEvent e) {

                if (e.getClickCount() == 2) {
                    int temp = list_code.getSelectedIndex();

                    if (breakpoint_list.contains(temp)) {
                        breakpoint_list.remove(breakpoint_list.indexOf(temp));
                        updateBPCombobox();

                    } else {

                        breakpoint_list.add(temp);
                        updateBPCombobox();


                    }
                }
            }
        });
        list_renderer = new BreakpointCellRenderer(list_code);
        list_code.setCellRenderer(list_renderer);

//......

    public void updateBPCombobox() {
        breakpoints.setModel(new DefaultComboBoxModel<Integer>(breakpoint_list.toArray(new Integer[0])));
        list_renderer.setThings(breakpoint_list);
    }

//.....