//NewGuideOutputPanel.java
import java.awt.*;
import java.awt.event.*;

public class NewGuideOutputPanel extends Panel implements ItemListener{
    NewGuide_State state;
    private static final Color bgcolor = new Color(236,236,221);

    private Font labfont;
    private Font labfont2;
    private Font titlefont;
    private Font symbolfont;

    Label titlelabel;	
    public Choice c1;
    public NewOutputCanvasA rwocA; 
    public NewOutputCanvasB rwocB; 

    public NewGuideOutputPanel(NewGuide_State state){
        super();
        setLayout(null);
        this.state = state;
        setBackground(bgcolor);

        labfont = new Font("SanSerif",Font.PLAIN,state.font10);
        labfont2 = new Font("SanSerif",Font.PLAIN,state.font12);
        titlefont = new Font("SanSerif",Font.BOLD,state.font16);
        symbolfont = new Font("Serif",Font.PLAIN,state.font10);

        titlelabel = new Label("Data",Label.LEFT);
        titlelabel.setBounds(state.s200+state.s20,state.s10,state.s60,state.s25);    
        titlelabel.setFont(titlefont);
        add(titlelabel);

        c1 = new Choice();
        c1.addItem(" Antenna Data ");
        c1.addItem(" Field Scanner ");
        //add(c1);
        c1.setBounds(state.s155,state.s8,state.s110,state.s15);
        c1.setBackground(bgcolor.brighter());

        rwocA = new NewOutputCanvasA(state);
        add(rwocA);
        rwocA.setBounds(state.s5,state.s10,state.s200+state.s80,state.s200+state.s35);

        rwocB = new NewOutputCanvasB(state);
        add(rwocB);
        rwocB.setBounds(state.s5,state.s30,state.s200+state.s85,state.s200+state.s2);

        rwocA.setVisible(true);
        rwocB.setVisible(false);

        //Listeners
        c1.addItemListener(this);
        state.ignition();
    }
	
    @Override
    public void paint(Graphics g){	
	g.setColor(bgcolor.darker());
        
	g.fillRect(0,getSize().height-2,getSize().width,2);
	g.fillRect(getSize().width-2,0,2,getSize().height);
	g.setColor(bgcolor.brighter());
	g.fillRect(0,0,2,getSize().height-1);
	g.fillRect(0,0,getSize().width-2,2);
    }

    public void itemStateChanged(ItemEvent evt){
	ItemSelectable ie = evt.getItemSelectable();
	    if(evt.getSource()==c1){
		if(ie.getSelectedObjects()[0]==" Antenna Data "){
		    rwocA.setVisible(true);
		    rwocB.setVisible(false);
		}
		else if(ie.getSelectedObjects()[0]==" Discretization "){
		    rwocA.setVisible(false);
		    rwocB.setVisible(true);   
		}
	    }
        }	
    }

    class NewOutputCanvasA extends Canvas{
	private Font normalfont;
        private Font normalfont2;
	private Font subfont;
	private Font symbolfont;
        
	public String string_field, unit_field; 
	int x, y;
	public Complex field;
	public double fieldfar;
	NewGuide_State state;
	private Image im;
	private Graphics buf;
	
        public NewOutputCanvasA(NewGuide_State state){
	    super();
	    this.state = state;
	}
	
        @Override
	public void paint(Graphics g){
	    if(im == null){
		im = createImage(getSize().width,getSize().height);
		buf = im.getGraphics();
		drawCanvas(buf);
	    }
	    else{
		drawCanvas(buf);
	    }
	    g.drawImage(im,0,0,null);
	}

	//Addition to reduce flicker
        @Override
	public void update(Graphics g){	
	    paint(g);
	}
	
	public void clear(){
	    this.getGraphics().clearRect(0,0,getSize().width,getSize().height);
	    repaint();
	}

	public void drawCanvas(Graphics g){
            normalfont = new Font("SanSerif",Font.PLAIN,state.font12);
            normalfont2 = new Font("SanSerif",Font.PLAIN,state.font14);
            subfont = new Font("SanSerif",Font.PLAIN,state.font10);
            symbolfont = new Font("Serif",Font.PLAIN,state.font12);
            
            Graphics2D g2d = (Graphics2D)g;
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
        
	    int x, y, dx, dxx, dy, dyy;
	    double tempcap, Cond1, Res1, tempind, f_normalized;
	    Color bgcolor = new Color(236,236,221);
	    String stmp;
	    FontMetrics fm;
	    
	    double light_velocity = 1.0/Math.sqrt(state.epsilon0*state.mu0*state.epsilon_r);
	    double light_velocity0 = 1.0/Math.sqrt(state.epsilon0*state.mu0);
	    String lambda, Ohm, infinity;
	    
            x = state.s25;
	    y = state.s15;
	    dx = state.s80;
	    dxx = state.s15;
	    dy = state.s14;
	    dyy = dy + state.s4;
	    
	    lambda="\u03bb";
	    Ohm="\u03a9";
	    infinity="\u221e";
	    
            g.setFont(normalfont);
	    g.getFontMetrics();
	    
	    g.setColor(bgcolor);
	    g.fillRect(0,0,getSize().width,getSize().height);
	    
	    g.setColor(Color.blue.darker());
	    g.drawString("Wavelength", x,y);
	    y += dyy;
	    
	    g.setColor(Color.black);
	    g.setFont(new Font("Serif",Font.PLAIN,state.font14));
	    g.drawString("\u03bb",x,y);
	    g.setFont(new Font("SanSerif",Font.PLAIN,state.font12));
	    g.drawString("   =  "+MaestroA.rounder(state.lambda,8)+"  [ m ]",x,y);
	    
	    y +=dyy;
	    
	    g.setColor(Color.blue.darker());
            g.setFont(new Font("SanSerif",Font.PLAIN,state.font12));
	    g.drawString("Antenna Aperture", x,y);
	    y +=dyy;
	    	    
	    g.setColor(Color.black);    
	    g.setFont(new Font("Serif",Font.ITALIC,state.font14));
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
            g.drawString("d",x,y);
            g.setFont(new Font("SanSerif",Font.PLAIN,state.font12));
	    g.drawString("   =  "+MaestroA.rounder(state.a,8)+"  "+lambda+"  =  "+MaestroA.rounder(state.a * state.wavelength,8)+"  [ m ]",x + state.s5,y);
	    
	    y +=dyy - state.s8;
	    g.setColor(Color.gray);
	    g.drawLine(state.s5,y,getSize().width-state.s5,y);
            y+=dyy;
            
            g.setColor(Color.black);    
	    g.setFont(new Font("Serif",Font.ITALIC,state.font14));
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
            g.drawString("\u03b8 ",x,y);
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
            g.setFont(new Font("SanSerif",Font.PLAIN,state.font12));
	    g.drawString("     =  "+MaestroA.rounder(state.theta_angle-90.0,6)+" \u00ba",x,y);
	    y+=dyy;
	    
            g.setColor(Color.blue.darker());
	    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
            MaestroG.subscripterSymbolSup("| E (\u03b8) |",""," / | E (0) |","","",g,state.font14,x,y);
            g.setFont(new Font("SanSerif",Font.PLAIN,state.font12));
	    y+=dyy+3;
            g.setColor(Color.black);    
	    g.drawString("     =  "+MaestroA.rounder(state.ethetaS,8)+"  =  "+MaestroA.rounder(state.ethetaS_dB,4)+" dB",x,y);
	    
            y += dyy;
	    
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
            g.setColor(Color.blue.darker());
	    MaestroG.subscripterSymbolSup("F(\u03b8)  =  | E (\u03b8) |","","\u00b2 / | E (0) |","","\u00b2",g,state.font14,x,y);
            
            g.setColor(Color.black);
	    g.setFont(new Font("SanSerif",Font.PLAIN,state.font12));
	    
            y+=dyy ;
            if(state.ethetaS2 < 1.0E4){
                g.drawString("     =  "+MaestroA.rounder(state.ethetaS2,8)+"  =  "+MaestroA.rounder(state.ethetaS_dB,4)+" dB",x,y);
            }
            else{
                g.drawString("     =  "+MaestroA.rounder(state.ethetaS2,2)+"  =  "+MaestroA.rounder(state.ethetaS_dB,4)+" dB",x,y);
            }
	    
            y+= dyy;
            
            g.setColor(Color.red.darker());    
	    g.setFont(new Font("SanSerif",Font.PLAIN,state.font12));
	    g.drawString("Directivity  =  "+MaestroA.rounder(state.Directivity,6), x,y);
	               
            g.setColor(Color.black);    
	    
            y += dyy;
	    g.setColor(Color.blue.darker());    
	    g.setFont(new Font("SanSerif",Font.PLAIN,state.font12));
	    g.drawString("Beam width  =  "+MaestroA.rounder(state.BeamWidth,2)+"\u00b0", x,y);
	    
	}
    }

    class NewOutputCanvasB extends Canvas{
	private static final Font normalfont = new Font("SanSerif",Font.PLAIN,12);
	private static final Font subfont    = new Font("SanSerif",Font.PLAIN,10);
	private static final Font symbolfont=new Font("Serif",Font.PLAIN,12);
	NewGuide_State state;
	private Image im;
	private Graphics buf;
	public NewOutputCanvasB(NewGuide_State state){
	    super();
	    this.state = state;
	}
	
	public void paint(Graphics g){
	    if(im == null){
		im = createImage(getSize().width,getSize().height);
		buf = im.getGraphics();
		drawCanvas(buf);
	    }
	    else{
		drawCanvas(buf);
	    }
	    g.drawImage(im,0,0,null);
	}

	//Addition to reduce flicker new routine
	public void update(Graphics g){		// added to avoid clearing
	    paint(g);
	}
	
	public void clear(){
	    this.getGraphics().clearRect(0,0,getSize().width,getSize().height);
	    repaint();
	}


	
	public void drawCanvas(Graphics g){
	    int x, y, dx, dxx, dy, dyy;
	    double v_normalized;
	    //Color bgcolor = Color.lightGray;
	    Color bgcolor = new Color(236,236,221);
	    String stmp;
	    String lambda, Ohm;
	    FontMetrics fm;
	       
	    
	    x = 10;
	    y = 25;
	    dx = 80;
	    dxx = 15;
	    g.setFont(normalfont);
	    fm = g.getFontMetrics();
	    //dy = fm.getHeight();
	    dy = 12;
	    dyy = dy+1;
	    
	    g.setFont(symbolfont);
	    g.getFontMetrics();
	    lambda="\u03bb";
	    Ohm="\u03a9";
	    g.setFont(normalfont);
	    g.getFontMetrics();
	    	    
	    g.setColor(bgcolor);
	    g.fillRect(0,0,getSize().width,getSize().height);
	    
	    g.setColor(Color.black);
	    g.drawLine(5,5,getSize().width-5,5);
	    
	    g.setColor(Color.blue);
	    g.drawString("Wavelength", x,y);
	    y +=dyy+3;
	    
	    g.setColor(Color.black);
	    g.setFont(new Font("Serif",Font.PLAIN,12));
	    g.drawString("\u03bb",x+25,y);
	    g.setFont(new Font("SanSerif",Font.PLAIN,12));
	    g.drawString("      =  "+MaestroA.rounder(state.lambda,8)+"  [ m ]",x+25,y);
	    //g.drawString("[ m ]",x+185,y);
	    y +=dyy+3;
	    
	    g.setColor(Color.blue);
	    g.drawString("Antenna Length", x,y);
	    y +=dyy+3;
	    	    
	    g.setColor(Color.black);    
	    g.drawString(" L ",x+20,y);
	    g.drawString("      = "+MaestroA.rounder(state.a,8)+"  "+lambda,x+25,y);
	    y+=dyy+3;
	     
	    g.drawString("      = "+MaestroA.rounder(state.a * state.wavelength,8)+"  [ m ]",x+25,y);
	    
	    y +=dyy-8;
	    
	    g.setColor(Color.red);
	    g.drawLine(5,y,getSize().width-5,y);
	    y+=dyy;
	    y+=2;
	    g.setColor(Color.blue);
	    g.drawString("Discretization intervals for 3-D fields", x,y);
	    y +=dyy+3;
	    g.setColor(Color.black);
	    
	    MaestroG.subscripter("N","s"," = "+state.Nsections,g,12,x+25,y);
	    y+=dyy+5;
	    
	    g.setColor(Color.blue);
	    g.drawString("Length of discretization intervals", x,y);
	    y +=dyy+3;
	    g.setColor(Color.black);
	    
	    g.setFont(new Font("Serif",Font.PLAIN,12));
	    g.drawString("\u0394",x+25,y);
	    g.setFont(new Font("SanSerif",Font.PLAIN,12));
	    
	    MaestroG.subscripter("    z",""," = "+(MaestroA.rounder(state.DeltaZ,8))+"  [ m ]",g,12,x+25,y);
	    
	    y+=dyy+3;	    
	    g.setColor(Color.blue);
	    g.drawString("Discretization intervals for current plot", x,y);
	    y +=dyy+3;
	    
	    g.setColor(Color.black);
	    MaestroG.subscripter("N","c"," = "+(state.NsectionsLarge-1),g,12,x+25,y);
	    
	    y+=dyy-5;
	    
	    g.setColor(Color.red);
	    g.drawLine(5,y,getSize().width-5,y);
	    y+=dyy;
	    y+=2;
	    
	    g.setColor(Color.blue);
	    g.drawString("Assumptions", x,y);
	    y +=dyy+3;
	    
	    g.setColor(Color.black);
	    g.drawString("- Gap between radiating elements is neglected.", x,y);
	    y +=dyy+3;
	    
	    g.drawString("- Wire radius used only for reactance calculations.", x,y);
    }

}