source: src/main/java/genius/gui/panels/SliderPanel.java

package genius.gui.panels;

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.JSpinner;

import genius.core.listener.Listener;

/**
 * Shows slider plus spinner with optional ticks, optionally logarithmic, and
 * optionally with percentages
 *
 */
@SuppressWarnings("serial")
public class SliderPanel extends JPanel {
        private IntegerModel model;
        private JSlider slider;
        private JLabel label;
        private JSpinner spinner;

        public SliderPanel(String name, IntegerModel m) {
                model = m;
                setLayout(new BorderLayout());
                label = new JLabel(name);
                add(label, BorderLayout.WEST);

                slider = new JSlider(new IntegerToBoundeRangeAdapter(model));
                add(slider, BorderLayout.CENTER);
                spinner = new JSpinner(model.getSpinnerModel());
                spinner.setMaximumSize(new Dimension(300, 30));
                add(spinner, BorderLayout.EAST);

                // connect model->enabled to GUI appearance.
                model.addListener(new Listener<Integer>() {
                        @Override
                        public void notifyChange(Integer data) {
                                updateEnabledness();
                        }

                });
                updateEnabledness();
        }

        /**
         * 
         * @return the slider part. Used for testing, you should not need this and
         *         communicate through the model you provided.
         */
        public JSlider getSlider() {
                return slider;
        }

        private void updateEnabledness() {
                boolean enabled = !model.isLocked();
                setEnabled(enabled);
                label.setEnabled(enabled);
                slider.setEnabled(enabled);
                spinner.setEnabled(enabled);
        }

}