package cse605;

/*
 * Battery.java
 *
 * Created on April 18, 2001, 12:20 AM
 */

/**
 *
 * @author  adev
 * @version 
 */
import java.awt.*;
import javax.swing.*;
import java.awt.font.*;
import java.lang.ref.*;
import java.util.*;

public class Battery extends ElecComponent {
    public static final int STD_WIDTH = 70;
    public static final int STD_HEIGHT = 12;
    private static LinkedList constraints ;
    public static int count;
    public String positiveNode ; // "L" or "R"
    public int x, y;

    /** Creates new Resistor */
    public Battery(String val, Node l_node, Node r_node) {
        if(count==0) initConstraint();
        count++;
	Icount++;
	Iid = "I"+ Icount;
        ID = "B"+count;
        x = (int)l_node.x + Node.w;
        y = (int)(l_node.y - Node.h/2);
        this.l_node = l_node;
        this.r_node = r_node;
        value = val;
        positiveNode = "L";
    }

    public static void setCount(int val)
    {
        count = val;
    }

    private static void initConstraint()
    {
        constraints = new LinkedList();
        constraints.add("B = (N1.V - N2.V);");
    }

    public static void removeAllConstraints()
    {
      constraints.clear();
    }

    public static LinkedList getConstraints()
    {
        if(constraints==null) initConstraint();
        return constraints;
    }
    
    public static void addConstraints(String cnstr)
    {
        constraints.add(cnstr);
    }

    public String getType() {
        return "Battery";
    }

    public void adjustNodes()
    {
        if(l_node.x > r_node.x)//swap the nodes
        {
            Node temp = (Node)(new WeakReference(r_node)).get() ;
            r_node = l_node;
            l_node = temp;
            if(positiveNode.equals("R")) positiveNode = "L";
            else if(positiveNode.equals("L")) positiveNode = "R";
        }
    }
    
    public void picked(Graphics g)
    {
    	isPicked = true;
    	g.setColor(Color.green);
         Graphics2D g2 = (Graphics2D) g;
        
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                            RenderingHints.VALUE_ANTIALIAS_ON);

        g2.setRenderingHint(RenderingHints.KEY_RENDERING,
                            RenderingHints.VALUE_RENDER_QUALITY);
	showVals(g);
        g2.setColor(new Color(255,0,255));
 	
	int dist = (int)Math.pow((Math.pow((r_node.x-l_node.x),2)+Math.pow((r_node.y-l_node.y),2)),0.5) ;
        int fontSize =(int)(dist/4) ;
        if(fontSize>12) fontSize = 12;
        if(fontSize <6) fontSize = 8;
        int fontStyle ;
        if(fontSize<9) fontStyle = Font.BOLD ;
        else fontStyle = Font.PLAIN;
        FontRenderContext frc = g2.getFontRenderContext();
        Font f = new Font("Times", fontStyle, fontSize);
        String s = new String(ID+"="+value);
        TextLayout tl = new TextLayout(s, f, frc);
        DrawingUtility.drawBattery(l_node.x + Node.w/2, l_node.y+Node.h/2, r_node.x+Node.w/2, r_node.y+Node.h/2 ,g2, positiveNode);
        DrawingUtility.showID(l_node.x + Node.w/2, l_node.y+Node.h/2, r_node.x+Node.w/2, r_node.y+Node.h/2 ,g2, tl);

   }


    public void draw(Graphics g)
    {
        if(prevPainted){
            prevPainted = false;
            return;
        }
        prevPainted = true;

        adjustCenter();
        adjustNodes();

        if(l_node.isSelected && r_node.isSelected )g.setColor(Color.red);
        else g.setColor(Color.black);
        Graphics2D g2 = (Graphics2D) g;

        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                            RenderingHints.VALUE_ANTIALIAS_ON);

        g2.setRenderingHint(RenderingHints.KEY_RENDERING,
                            RenderingHints.VALUE_RENDER_QUALITY);

	int dist = (int)Math.pow((Math.pow((r_node.x-l_node.x),2)+Math.pow((r_node.y-l_node.y),2)),0.5) ;
        int fontSize =(int)(dist/4) ;
        if(fontSize>12) fontSize = 12;
        if(fontSize <6) fontSize = 8;
        int fontStyle ;
        if(fontSize<9) fontStyle = Font.BOLD ;
        else fontStyle = Font.PLAIN;
        FontRenderContext frc = g2.getFontRenderContext();
        Font f = new Font("Times", fontStyle, fontSize);
        String s = new String(ID+"="+value);
        TextLayout tl = new TextLayout(s, f, frc);
        DrawingUtility.drawBattery(l_node.x + Node.w/2, l_node.y+Node.h/2, r_node.x+Node.w/2, r_node.y+Node.h/2 ,g2, positiveNode);
        DrawingUtility.showID(l_node.x + Node.w/2, l_node.y+Node.h/2, r_node.x+Node.w/2, r_node.y+Node.h/2 ,g2, tl);
    }
    
    public void basicDraw(Graphics g)
    {
        if(prevPainted){
            prevPainted = false;
            return;
        }
        prevPainted = true;

        adjustCenter();
        adjustNodes();

        if(l_node.isSelected && r_node.isSelected )g.setColor(Color.red);
        else g.setColor(Color.black);
        Graphics2D g2 = (Graphics2D) g;

        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                            RenderingHints.VALUE_ANTIALIAS_ON);

        g2.setRenderingHint(RenderingHints.KEY_RENDERING,
                            RenderingHints.VALUE_RENDER_QUALITY);

        DrawingUtility.drawBattery(l_node.x + Node.w/2, l_node.y+Node.h/2, r_node.x+Node.w/2, r_node.y+Node.h/2 ,g2, positiveNode);
    }
    
    
}