import java.lang.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import javax.swing.event.*;
import javax.swing.border.*;

/**
  *  The JScale class is sub-class of JSlider it takes it a max, min for the range of the scale and a decimal value
  *  for the level of accuracy you want in the output.  When using this class you should NOT use setMinimumTickSpacing,
  *  setMinorTickSpacing, setMinimum, setMaximum, createStandardLabel, setLabelTable. There are methods implemented in
  *  in JScale which performs the same actions as these methods use those instead they are implemented to suit the 
  *  JScale specifically.
  */


public class JScale extends JSlider
{
  private int min;
  private int max; 
  private int factor;

/**
  *  constructor of the JScale class
  *  it takes as parameters a minimum, maximum, and how many decimal you want it to display 
  */

   public JScale(int min, int max,int decimal)
	{
		super();
		this.min = min;
		this.max = max;
		super.setValue(min);
		super.setOrientation(0);    
		init(decimal);
	}
   
/**
  *  method init takes the decimal place specified and sets the max and min appropiately
  */

  public void init(int decimal)
	{
          int temp = decimal;
	  int tempmax = 10;	
	   while ( temp !=1 ) 
		{
		  tempmax = tempmax * 10;
		  temp = temp - 1;
		 
 		}
	  this.factor = tempmax;
	  this.setMaximum(max * tempmax);
	  this.setMinimum(min * tempmax); 
	}

/** 
  * this takes in an interger value and for the major tick spacing and creates it on the JScale
  * it also print out the tick marks on the JScale
  */

   public void setMajorTick(int v)
	{
		v = v * this.factor;
		super.setMajorTickSpacing(v);
		super.setPaintTicks(true);
	}
       
/**
   * this takes in an integer vlaue and for the minor tick spacing and creates it on the JScale
   * it prints the tick marks on the JScale
   */

   public void setMinorTick(int v)
	{
		v = v * this.factor;
		super.setMinorTickSpacing(v);
		super.setPaintTicks(true);

	}
/**            
   *  this takes in interger value and it creates the labels based on this value using a 
   *  hashtable with the appropiate incremented values and then prints them on the scale accordingly
   */

  public void createLabels(int inc,int fontsize)
	{
	  inc = inc * this.factor;
          int value = this.min * this.factor;
	  Hashtable labelTable = new Hashtable();

		int temp = (value / this.factor);
		labelTable.put(new Integer(value),new JLabel("" + temp) );

	  	while ( value < (this.max * this.factor)) 
	   	   {	
			value = value + inc;
			labelTable.put( new Integer( value), new JLabel("" + (value/this.factor) ));
	  	    }		
          	this.setLabelTable( labelTable );
          	this.setPaintLabels(true);	
  	}
	
/**
  * this will take in a title as a string and set it on the scale with a border around it
  */

  public void title(String name,int fontsize)
 	{

                this.setBackground(Color.lightGray);  	
                this.setForeground(Color.black);  		
                Border line = BorderFactory.createLineBorder(Color.black,2);    
                Font temp1 = new Font("Impact", Font.BOLD, fontsize );
                Border lscale = BorderFactory.createTitledBorder(line,name,2,3,temp1,Color.black);
                this.setBorder(lscale);   

	}


/** 
  *  this return the current value for the scale as a float depending on how many decimal you specified
  *  in the parameter when creating the JScale
  */
 
  public float returnValue()
	{
	   float temp  =  super.getValue();
	   float value =  temp/this.factor;
	   return value;
	}	

                
/**
  *  this takes in an integer value and sets it to the JScale
  */


 public void setVal(int temp)
        {
           temp  =  temp * this.factor;
           this.setValue(temp);
        }



}