// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   C:\Sergey\Java\Plota\Calca.java

import java.applet.Applet;
import java.applet.AppletContext;
import java.awt.*;
import java.io.*;
import java.net.*;
import graphs.JSuperSlider;
import javax.swing.*;

public class Calca extends Applet
    implements Runnable, Tokens
{

    public void processLine(String text)
    {
        m_Program.processLine(text.trim() + "\n");
    }

    public void start()
    {
        if(m_Runner == null)
        {
            m_Runner = new Thread(this);
            m_Runner.start();
        }
        m_PanelOut.start();
    }

    public void stop()
    {
        if(m_Runner != null)
        {
            m_Runner.stop();
            m_Runner = null;
        }
        m_PanelOut.stop();
    }

    public void setTextField()
    {
        m_TextFieldXmin.setText(Double.toString(m_Program.m_Xmin));
        m_TextFieldXmax.setText(Double.toString(m_Program.m_Xmax));
        m_TextFieldNumPoints.setText(Integer.toString(m_Program.m_NumPoints));
    }

    public void sendData(String receiverName)
    {
        Applet receiver = null;
        receiver = getAppletContext().getApplet(receiverName);
        if(receiver != null)
        {
            if(!(receiver instanceof Plota))
                printlnOut("Found applet named " + receiverName + ", " + "but it's not a Plota object.\n");
            else
                ((Plota)receiver).getData(m_Program.m_NumPoints, m_Program.m_Xarr, m_Program.m_Yarr);
        } else
        {
            printlnOut("Couldn't find any applet named " + receiverName + ".\n");
        }
    }

    public Calca()
    {
        m_pszX = 300;
        m_pszY = 300;
        m_bInvalid = true;
        m_Program = new Program(this);
        setFont(new Font("Helvetica", 1, 12));
    }

    public void clearOut()
    {
        m_PanelOut.clear();
    }

    public void printlnOut(String str)
    {
        m_PanelOut.println(str);
    }

    public void printstrOut(String str)
    {
        m_PanelOut.printstr(str);
    }

    public int isNumber(String str)
    {
        try {
            int i=Integer.parseInt(str); 
            return i;
        }
        catch(Exception e) 
        {
            return -1;
        }
    }
    
    public void run()
    {
        try
		{
		    // Open an input stream
         URL addr=new URL(this.getCodeBase().getProtocol(), this.getCodeBase().getHost(), this.getCodeBase().getPort(), this.getCodeBase().getPath()+"Equations.txt");
        DataInputStream din = new DataInputStream(addr.openStream());
        int i=isNumber(din.readLine());
        while ((i!=eqNum)||(i==-1)) i=isNumber(din.readLine());
        processLine("numpoints=400"); //numpoints=400 always
        processLine(din.readLine()); // xmin=value, from file
        processLine(din.readLine());// xmax=value, from file
        processLine(din.readLine());// y=eq in x, from file
//        this.m_PanelSrc.setText(din.readLine());
//        this.m_TextFieldNumPoints.setText(Integer.toString(400));
//        this.m_TextFieldXmin.setText(din.readLine());
//        this.m_TextFieldXmax.setText(din.readLine());

                fin.close();		
		}
		catch (IOException e)
		{
			System.err.println ("Unable to read from file");
			System.exit(-1);
		}

//        processLine("numpoints=" + m_Program.m_Var.getValue("numpoints"));
//        processLine("xmin=" + m_Program.m_Var.getValue("xmin"));
//        processLine("xmax=" + m_Program.m_Var.getValue("xmax"));
//        processLine(m_PanelSrc.getText());
        do
        {
            if(m_bInvalid)
            {
                repaint();
                m_bInvalid = false;
            }
            try
            {
                Thread.sleep(1000L);
            }
            catch(InterruptedException interruptedexception) { }
        } while(true);
    }

    public boolean action(Event evt, Object what)
    {
        if(evt.target == m_TextFieldXmin)
            processLine("xmin=" + m_TextFieldXmin.getText());
        if(evt.target == m_TextFieldXmax)
            processLine("xmax=" + m_TextFieldXmax.getText());
        if(evt.target == m_TextFieldNumPoints)
            processLine("numpoints=" + m_TextFieldNumPoints.getText());
        return false;
    }

    public void getTextFields()
    {
        m_Program.m_Var.setValue("xmin", Double.valueOf(m_TextFieldXmin.getText()).doubleValue());
        m_Program.m_Var.setValue("xmax", Double.valueOf(m_TextFieldXmax.getText()).doubleValue());
        m_Program.m_Var.setValue("numpoints", Double.valueOf(m_TextFieldNumPoints.getText()).doubleValue());
    }
    
    public void setParam(double p1, double p2, double p3, double p4, double p5, double p6){
        m_Program.m_Var.setValue("pOne",p1); 
        m_Program.m_Var.setValue("pTwo",p2);
        m_Program.m_Var.setValue("pThree",p3);
        m_Program.m_Var.setValue("pFour",p4);
        m_Program.m_Var.setValue("pFive",p5);
        m_Program.m_Var.setValue("pSix",p6);
        this.stop();
        this.start();
    }

    public void init()
    {
        eqNum = -1;
        try {
            eqNum = Integer.parseInt(getParameter("eqNum"));
        } catch(Exception e){
            e.printStackTrace();
        }
        GridBagLayout gridBag = new GridBagLayout();
        GridBagConstraints c = new GridBagConstraints();
        setLayout(gridBag);
        m_PanelOut = new PanelOut(this);
        c.gridwidth = 0;
        c.anchor = 10;
        c.fill = 1;
        c.weightx = 1.0D;
        c.weighty = 1.0D;
        gridBag.setConstraints(m_PanelOut, c);
        add(m_PanelOut);
        m_PanelSrc = new PanelSrc(this);
        c.anchor = 10;
        c.fill = 2;
        c.weightx = 0.0D;
        c.weighty = 0.0D;
        gridBag.setConstraints(m_PanelSrc, c);
        add(m_PanelSrc);
        Label labelXmin = new Label("xmin: ", 2);
        c.gridwidth = 1;
        gridBag.setConstraints(labelXmin, c);
        add(labelXmin);
        m_TextFieldXmin = new TextField("0.0", 7);
        c.gridwidth = 0;
        gridBag.setConstraints(m_TextFieldXmin, c);
        add(m_TextFieldXmin);
        Label labelXmax = new Label("xmax: ", 2);
        c.gridwidth = 1;
        gridBag.setConstraints(labelXmax, c);
        add(labelXmax);
        m_TextFieldXmax = new TextField("10.0", 7);
        c.gridwidth = 0;
        gridBag.setConstraints(m_TextFieldXmax, c);
        add(m_TextFieldXmax);
        Label labelNumPoints = new Label("numpoints: ", 2);
        c.gridwidth = 1;
        gridBag.setConstraints(labelNumPoints, c);
        add(labelNumPoints);
        m_TextFieldNumPoints = new TextField("200", 7);
        c.gridwidth = 1;
        gridBag.setConstraints(m_TextFieldNumPoints, c);
        add(m_TextFieldNumPoints);
        validate();
    }

    private Thread m_Runner;
    public int eqNum;
    private int m_pszX;
    private int m_pszY;
    private boolean m_bInvalid;
    PanelSrc m_PanelSrc;
    PanelOut m_PanelOut;
    Program m_Program;
    FileInputStream fin;
    TextField m_TextFieldXmin;
    TextField m_TextFieldXmax;
    TextField m_TextFieldNumPoints;
}