import java.applet.Applet;
import java.awt.*;
//import gjt.*;

/*
 *
 * VClamp
 *
 */
public class VClamp extends Applet
{
	VClampCanvas CDiff;
	RBox bR_in, bR_out, bB_in, bB_out, bVoltage, bInside, bOutside;
	Choice Num_Particles;
	Button Start_Stop;
	ThreeDBorder tdbDisplay;
	VReportPanel pReport;
	VControlPanel pControl;
	boolean running=true;
	int Particles[] = {-120, -60, -30, 0, 30, 60, 120};	//  {1,2,5,10,20,50,100,200,500}; 
	protected BarChart OutBar=new BarChart(Color.red);


	public void init(){
		//obsolete.applet.JavaConsole.init(this);
		Panel pnl=new Panel();
		Panel pnl2=new Panel();
	   tdbDisplay=new ThreeDBorder(pnl2,5);
	   pnl2.setLayout(new BorderLayout());
	   CDiff=new VClampCanvas(this);
	   pnl2.add("Center",CDiff);
	   pnl2.add("South", OutBar);
	   tdbDisplay.inset();
	   pReport=new VReportPanel(this);
	   pControl=new VControlPanel(this);
	   setLayout(new BorderLayout());
	   add("Center",new ThreeDBorder(pnl));
	   pnl.setLayout(new BorderLayout());
	   pnl.add("Center",tdbDisplay);
	   pnl.add("North", pReport);
	   pnl.add("South", pControl);
    }

	public void destroy()
	{
		//obsolete.applet.JavaConsole.flushClasses(this);
	}


	public void start(){
		CDiff.init();
		CDiff.start();
	}

	public void stop(){
		CDiff.stop();
	}

	public boolean action(Event event, Object what){
		if(event.target==Start_Stop){
			if (running){
				CDiff.stop();
				OutBar.stop();
				running=false;
				Start_Stop.setLabel("Start");
			}else{
				CDiff.start();
				OutBar.start();
				running=true;
				Start_Stop.setLabel("Stop");
			}
		}else if (event.target==Num_Particles){
			int NewNum=Particles[Num_Particles.getSelectedIndex()];
			//if (running) CDiff.stop();
			CDiff.m_Voltage=(double)NewNum;
			//CDiff.init();
			//if (running) CDiff.start();
		}

		return true;

	}

}


class VReportPanel extends Panel{
	VClamp app;

	public VReportPanel(Applet applet){
		app=(VClamp)applet;
		Panel pIn=new Panel();
		Label inside=new Label("Inside",Label.CENTER);
		app.bInside= new RBox(pIn,inside);
		pIn.setLayout(new BorderLayout());
		pIn.add("West",app.CDiff.R_in);
		pIn.add("East",app.CDiff.B_in);

		Panel pOut=new Panel();
		Label outside=new Label("Outside",Label.CENTER);
		app.bOutside= new RBox(pOut,outside);
		pOut.setLayout(new BorderLayout());
		pOut.add("West",app.CDiff.R_out);
		pOut.add("East",app.CDiff.B_out);

		app.bVoltage= new RBox(app.CDiff.Voltage,"Voltage");

		setLayout(new GridLayout(1,3,10,10));

		add(new ThreeDBorder(app.bInside));
		add(new ThreeDBorder(app.bVoltage));
		add(new ThreeDBorder(app.bOutside));
	}

	public Insets insets(){
		return new Insets(5,5,5,5);
	}

}

class VControlPanel extends Panel{

	VClamp app;

	public VControlPanel(Applet applet){
		app=(VClamp)applet;
		app.Num_Particles= new Choice();
		app.Num_Particles.addItem("-120 mV");
		app.Num_Particles.addItem("-60 mV");
		app.Num_Particles.addItem("-30 mV");
		app.Num_Particles.addItem("0 mV");
		app.Num_Particles.addItem("30 mV");
		app.Num_Particles.addItem("60 mV");
		app.Num_Particles.addItem("120 mV");
		app.Num_Particles.select(1);

                app.Start_Stop= new Button("Stop");

		setLayout(new GridLayout(1,2,10,10));

		add(new ThreeDBorder(app.Num_Particles));
		add(new ThreeDBorder(app.Start_Stop));

	}

	public Insets insets(){
		return new Insets(5,5,5,5);
	}

}