package gui.elements;

import java.awt.*;
import java.text.*;
import javax.swing.*;
import javax.swing.event.*;


/**
 * <p>Title: Java Media for Experiencing Sensation and Perception</p>
 * <p>Description: Gives values to set colors using the RGB
 * of the monitor primaries</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: Hanover College</p>
 * @author John H. Krantz, Ph.D.
 * @version 0.1
 */

public class RGBControl extends JPanel {
	static final long serialVersionUID = 0;

  // the sliders
  public JSlider red = new JSlider(JSlider.HORIZONTAL,0,255,255);
  public JSlider green = new JSlider(JSlider.HORIZONTAL,0,255,255);
  public JSlider blue = new JSlider(JSlider.HORIZONTAL,0,255,255);

  // labels to show the output of the slider
  private JLabel redLabel = new JLabel("1.00");
  private JLabel greenLabel = new JLabel("1.00");
  private JLabel blueLabel = new JLabel("1.00");
  // panels
  private JPanel redPanel = new JPanel();
  private JPanel greenPanel = new JPanel();
  private JPanel bluePanel = new JPanel();

  // numeric format
  private DecimalFormat n3 = new DecimalFormat("0.00");

  // raleighmatches
  private boolean raleigh =  false;

  // constructors
  public RGBControl() {
    setup();
  }
  public RGBControl(boolean raly){
    raleigh = raly;
    setup();
  }

  public void setup() {
	  this.setLayout(new GridLayout(3,1));
    red.setBackground(Color.red);
    green.setBackground(Color.green);
    blue.setBackground(Color.blue);
//    setBackground(Color.black);
    redPanel.add(red,BorderLayout.CENTER);
    redPanel.add(redLabel,BorderLayout.EAST);
    greenPanel.add(green,BorderLayout.CENTER);
    greenPanel.add(greenLabel,BorderLayout.EAST);
    bluePanel.add(blue,BorderLayout.CENTER);
    bluePanel.add(blueLabel,BorderLayout.EAST);
    add(redPanel);
    add(greenPanel); 
    if (! raleigh) add(bluePanel);

    redLabel.setVisible(false);
    greenLabel.setVisible(false);
    blueLabel.setVisible(false);

    setupListeners();
  }

  private void setupListeners(){
    red.addChangeListener(new ChangeListener(){
      public void stateChanged(ChangeEvent e){
        redLabel.setText(n3.format((double)red.getValue()/
        		255.0));
      }
    });
    green.addChangeListener(new ChangeListener(){
      public void stateChanged(ChangeEvent e){
        greenLabel.setText(n3.format((double)green.getValue()/
        		255.0));
      }
    });
    blue.addChangeListener(new ChangeListener(){
      public void stateChanged(ChangeEvent e){
        blueLabel.setText(n3.format((double)blue.getValue()/
        		255.0));
      }
    });
  }

  // set methods
  public void setRed(int r) {
	    int temp = (r >= 0 & r <= 255 ? r : red.getValue());
	    red.setValue(temp);
	    redLabel.setText(n3.format((double)red.getValue()/
	    		255.0));
  }
  public void setGreen(int g) {
	  int temp = (g >= 0 & g <= 255 ? g : green.getValue());
	  green.setValue(temp);
	  greenLabel.setText(n3.format((double)green.getValue()/
			  255.0));
  }
  public void setBlue(int b) {
	  int temp = (b >= 0 & b <= 255 ? b : blue.getValue());
	  if (!raleigh) blue.setValue(temp);
	  else blue.setValue(0);
	  blueLabel.setText(n3.format((double)blue.getValue()/
			  255.0));
  }
  public void setRed(double r) {
	  double temp = (r >= 0 & r <= 1.0 ? r : 0.0);
	  red.setValue((int)(temp*255.0));
	  redLabel.setText(n3.format((double)red.getValue()/
			  255.0));
  }
  public void setGreen(double g) {
	  double temp = (g >= 0 & g <= 1.0 ? g : 0.0);
	  green.setValue((int)(temp*255.0));
	  greenLabel.setText(n3.format((double)green.getValue()/
			  255.0));
  }
  public void setBlue(double b) {
	  double temp = (b >= 0 & b <= 1.0 ? b : 0.0);
	  if (!raleigh) blue.setValue((int)(temp*255.0));
	  else blue.setValue(0);
	  blueLabel.setText(n3.format((double)blue.getValue()/
			  255.0));
  }
  public void setColor(Color c){
    setRed(c.getRed());
    setGreen(c.getGreen());
    setBlue(c.getBlue());
  }
  public void setRaleigh(boolean b){
    raleigh = b;
    if (raleigh){
      remove(blue);
      blue.setValue(0);
    }
    else
      add(blue);
    updateUI();
  }
  public void setShowLabels(boolean b){
    redLabel.setVisible(b);
    greenLabel.setVisible(b);
    blueLabel.setVisible(b);
  }

  // get methods
  public int getRed()       { return red.getValue(); }
  public int getGreen()     { return green.getValue(); }
  public int getBlue()      { return blue.getValue(); }
  public double getRedDbl() { return (double)red.getValue()/255.0; }
  public double getGreenDbl(){ return (double)green.getValue()/255.0; }
  public double getBlueDbl(){ return (double)blue.getValue()/255.0; }
  public Color getColor()   { return new Color(
                                          red.getValue(),
                                          green.getValue(),
                                          blue.getValue()); }
}