import java.util.*;

public class Model{

	private int xPos; // This class calculates the graph bars' horizontal positions 
	private float barlength; // This class calculates the length of the bars

	Model(){
		xPos = 0;
		barlength = 0;
	}

	public int getxPos() {
		return xPos;
	}

	private void setxPos(int xPos) {
		this.xPos = xPos;
	}

	public float getBarlength() {
		return barlength;
	}

	private void setBarlength(float barlength) {
		barlength = mapRange(barlength, 0, 1023, 0, 300);
		this.barlength = barlength;		
	}

	public float mapRange( float s,int i, int j, int k, int l){
		return (k + ((s - i)*(l - k))/(j - i));
	}
	
	public void update(int time, String barL){
		if (barL != null) try{
		float temp = Float.parseFloat(barL);	
		this.setBarlength(mapRange(temp, 0, 1023, 0, 300));
		this.setBarlength(temp);
		}
catch(Exception e){}
		this.setxPos(time);
	}

}