/**
 *                    
 * @author greg (at) myrobotlab.org
 *  
 * This file is part of MyRobotLab (http://myrobotlab.org).
 *
 * MyRobotLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version (subject to the "Classpath" exception
 * as provided in the LICENSE.txt file that accompanied this code).
 *
 * MyRobotLab is distributed in the hope that it will be useful or fun,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * All libraries in thirdParty bundle are subject to their own license
 * requirements - please refer to http://myrobotlab.org/libraries for 
 * details.
 * 
 * Enjoy !
 * 
 * */

package org.myrobotlab.control.widget;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;

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

import org.myrobotlab.framework.Service;
import org.myrobotlab.logging.LoggerFactory;
import org.myrobotlab.service.data.NameValuePair;
import org.slf4j.Logger;

public class CFGSlider extends JPanel {

  static final long serialVersionUID = 1L;
  public final static Logger log = LoggerFactory.getLogger(CFGSlider.class.getCanonicalName());

  String boundService;
  Service myService = null;

  String CFGName;

  JSlider slider = null;
  JLabel label = null;
  JLabel outputLabel = null;

  int min = 0;
  int max = 100;
  int startValue = 0;

  public CFGSlider(String boundService, String CFGName, int min, int max, int startValue, Service myService) {
    super();
    this.boundService = boundService;
    this.min = min;
    this.max = max;
    this.startValue = startValue;
    this.CFGName = CFGName;
    this.myService = myService;
    initialize();
  }

  private JSlider getSlider() {
    if (slider == null) {
      slider = new JSlider(min, max, startValue);
      slider.addChangeListener(new javax.swing.event.ChangeListener() {
        @Override
        public void stateChanged(javax.swing.event.ChangeEvent e) {
          outputLabel.setText("" + slider.getValue());
          NameValuePair nvp = new NameValuePair(CFGName, Integer.toString(slider.getValue()));
          if (myService != null) {
            // myService.send(boundService, "setCFG", nvp);
            myService.send(boundService, "setCFG", nvp);

          } else {
            log.error("can not send message myService is null");
          }
        }
      });

    }
    return slider;
  }

  private void initialize() {
    // this.setSize(453, 62);
    this.setLayout(new GridBagLayout());

    GridBagConstraints gridBagConstraints = new GridBagConstraints();
    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;
    gridBagConstraints.weightx = 1.0;

    label = new JLabel(CFGName);

    gridBagConstraints.gridx = 0;
    gridBagConstraints.gridy = 0;
    this.add(label, gridBagConstraints);
    gridBagConstraints.gridx = 1;

    outputLabel = new JLabel(new Integer(startValue).toString());

    gridBagConstraints.gridx = 2;
    this.add(getSlider(), gridBagConstraints);

    this.add(outputLabel);

  }

}