// BizVizWiz0.java
//
//  CREATED:  ABS  2012.11.08  copied from NewsletterTest.java; did page layout
// MODIFIED:  ABS  2012.11.09  chopped away spurious code, debugged, built out
// MODIFIED:  ABS  2012.11.14  added doc, safetyCheck(); added source code upload
// MODIFIED:  ABS  2012.11.15  built out & debugged
// MODIFIED:  ABS  2012.11.16  tested against server upgrade
// MODIFIED:  ABS  2012.11.17  added Green Bay data as default
// MODIFIED:  ABS  2012.11.18  added dummy key & annotations

// To Do:
//   [/] measure HTML table sizes in browsers
//   [X] make debug follow links
//   [_] use prev values as defaults
//   [_] input into array
//   [_] adaptive input screen (width & height)
//   [/] input CSV
//   [/] select params
//   [X] create HTML: all rows
//   [X] re-add radio buttons
//   [_] see drawn spec
//   [X] default values in inputs
//   [X] bullet-proof
//

import java.io.*;
import java.util.*;

import java.sql.*;

import javax.servlet.*;
import javax.servlet.http.*;

import javax.mail.*;
import javax.mail.event.*;
import javax.mail.internet.*;
import javax.activation.*;

public class BizVizWiz0 extends HttpServlet
{
  String trueString = "true";
  String debug;

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                doGet                                            //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void doGet ( HttpServletRequest req, HttpServletResponse res )
  throws ServletException, IOException {
    String requestType = req.getParameter("requestType");
    HttpSession session = req.getSession(true);
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();
    debug = req.getParameter("debug");
    if (debug != null) {
      session.setAttribute("debug", debug);
      }
    else {
      session.setAttribute("debug","");
     }
    if (trueString.equals(session.getAttribute("debug"))) {
      session.setAttribute("debugString0","?debug=true");
      session.setAttribute("debugString","&debug=true");
      }
    else {
      session.setAttribute("debugString0",""); 
      session.setAttribute("debugString",""); 
     }

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//                                                                                 %%
//                                input_data                                       %%
//                                                                                 %%
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

    if (requestType == null || requestType.equals("input_data")) {
      printHead(out, "BizVizWiz0 - input data");
      printNavBar(out, 1, false, session);
      printStepsHighlighted(out, session, 1);
      if (trueString.equals(session.getAttribute("debug"))) {
        printDebug(out, "input_data page");
        }
      safetyCheck(out, session);
      printInput_dataForm(out, session);
      }

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//                                                                                 %%
//                                set_params                                       %%
//                                                                                 %%
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

    else if (requestType.equals("set_params")) {
      printHead(out, "BizVizWiz0 - set params");
      printNavBar(out, 1, false, session);
      printStepsHighlighted(out, session, 2);
      if (trueString.equals(session.getAttribute("debug"))) {
        printDebug(out, "set_params page");
        }
      safetyCheck(out, session);
      printSet_paramsForm(out, session);
      }

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//                                                                                 %%
//                                view_results                                     %%
//                                                                                 %%
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

    else if (requestType.equals("view_results")) {
      printHead(out, "BizVizWiz0 - view results");
      printNavBar(out, 2, true, session);
      printStepsHighlighted(out, session, 3);
      if (trueString.equals(session.getAttribute("debug"))) {
        printDebug(out, "view_results page");
        }
      safetyCheck(out, session);

      {
          int i_row, i_col;

          String[][] my_third_array = new String[2][3];

          my_third_array = (String[][])session.getAttribute( "myArray");

          if (trueString.equals(session.getAttribute("debug"))) {
              printDebug(out, "my_third_array length: " + my_third_array.length);
              for (i_row = 0; i_row < 3; i_row++) {
                  for (i_col = 0; i_col < 2; i_col++) {
                      printDebug(out, "my_third_array[" + i_row + "][" + i_col
                         + "]: " + my_third_array[i_row][i_col]);
                      }
                  }
              }
          }

/************************************** HINKY
      h = session.getAttribute("h");
      w = session.getAttribute("w");
      h = "32";
      w = "32";
**************************************/

      out.println("<H1>results</H1>");
      out.println("<P>");
      out.println("<H2>" + session.getAttribute("title_string") + "</H2>");
      out.println("<TABLE>");

      out.println("<TR>");
      out.println("<TH> </TH> <TH>0</TH> <TH>1</TH> <TH>2</TH> <TH>3</TH>");
      out.println("</TR>");
      out.println("<TR>");
      if (trueString.equals(session.getAttribute("debug"))) {
          out.println("<TH WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h")
           + ">a</TH>"); // HINKY
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("a0"), 0)
           + dec_to_hex((String)session.getAttribute("a0"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("a0"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("a1"), 0)
           + dec_to_hex((String)session.getAttribute("a1"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("a1"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("a2"), 0)
           + dec_to_hex((String)session.getAttribute("a2"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("a2"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("a3"), 0)
           + dec_to_hex((String)session.getAttribute("a3"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("a3"), 0)
           + "</TD>");
          out.println("</TR>");
          out.println("<TR>");
          out.println("<TH WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h")
           + ">b</TH>"); // HINKY
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("b0"), 0)
           + dec_to_hex((String)session.getAttribute("b0"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("b0"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("b1"), 0)
           + dec_to_hex((String)session.getAttribute("b1"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("b1"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("b2"), 0)
           + dec_to_hex((String)session.getAttribute("b2"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("b2"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("b3"), 0)
           + dec_to_hex((String)session.getAttribute("b3"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("b3"), 0)
           + "</TD>");
          out.println("</TR>");
    
          out.println("<TR>");
          out.println("<TH WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h")
           + ">c</TH>"); // HINKY
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("c0"), 0)
           + dec_to_hex((String)session.getAttribute("c0"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("c0"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("c1"), 0)
           + dec_to_hex((String)session.getAttribute("c1"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("c1"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("c2"), 0)
           + dec_to_hex((String)session.getAttribute("c2"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("c2"), 0)
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("c3"), 0)
           + dec_to_hex((String)session.getAttribute("c3"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + dec_to_hex((String)session.getAttribute("c3"), 0)
           + "</TD>");
          }
      else {
          out.println("<TH WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h")
           + ">a</TH>"); // HINKY
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("a0"), 0)
           + dec_to_hex((String)session.getAttribute("a0"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("a1"), 0)
           + dec_to_hex((String)session.getAttribute("a1"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("a2"), 0)
           + dec_to_hex((String)session.getAttribute("a2"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("a3"), 0)
           + dec_to_hex((String)session.getAttribute("a3"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("</TR>");
          out.println("<TR>");
          out.println("<TH WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h")
           + ">b</TH>"); // HINKY
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("b0"), 0)
           + dec_to_hex((String)session.getAttribute("b0"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("b1"), 0)
           + dec_to_hex((String)session.getAttribute("b1"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("b2"), 0)
           + dec_to_hex((String)session.getAttribute("b2"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("b3"), 0)
           + dec_to_hex((String)session.getAttribute("b3"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("</TR>");
    
          out.println("<TR>");
          out.println("<TH WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h")
           + ">c</TH>"); // HINKY
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("c0"), 0)
           + dec_to_hex((String)session.getAttribute("c0"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("c1"), 0)
           + dec_to_hex((String)session.getAttribute("c1"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("c2"), 0)
           + dec_to_hex((String)session.getAttribute("c2"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          out.println("<TD WIDTH=" + session.getAttribute("w") + " HEIGHT="
           + session.getAttribute("h") + " BGCOLOR=\"#"
           + dec_to_hex((String)session.getAttribute("c3"), 0)
           + dec_to_hex((String)session.getAttribute("c3"), 1)
           + "00\"><FONT COLOR=GRAY>"
           + "&nbsp;"
           + "</TD>");
          }
      out.println("</TR>");

      out.println("</TABLE>");
      out.println("<P>");
      out.println("<H2>key:</H2>");
      out.println("<P>");
      out.println("<TABLE BORDER=0 CELLSPACING=0>");
      out.println("<TR>");
      out.println("  <TD>");
      out.println("  <FONT SIZE=-2>56<BR>" + session.getAttribute("units_string") + "</FONT>");
      out.println("  </TD>");
      out.println("  <TD>");
      out.println("  ");
      out.println("  </TD>");
      out.println("  <TD>");
      out.println("  <FONT SIZE=-2>80<BR>" + session.getAttribute("units_string") + "</FONT>");
      out.println("  </TD>");
      out.println("  <TD>");
      out.println("  ");
      out.println("  </TD>");
      out.println("  <TD>");
      out.println("  <FONT SIZE=-2>104<BR>" + session.getAttribute("units_string") + "</FONT>");
      out.println("  </TD>");
      out.println("<TR>");
      out.println("  <TD HEIGHT=32 WIDTH=32 BGCOLOR=\"#00ff00\">");
      out.println("  </TD>");
      out.println("  <TD HEIGHT=32 WIDTH=32 BGCOLOR=\"#40b000\">");
      out.println("  </TD>");
      out.println("  <TD HEIGHT=32 WIDTH=32 BGCOLOR=\"#808000\">");
      out.println("  </TD>");
      out.println("  <TD HEIGHT=32 WIDTH=32 BGCOLOR=\"#b04000\">");
      out.println("  </TD>");
      out.println("  <TD HEIGHT=32 WIDTH=32 BGCOLOR=\"#ff0000\">");
      out.println("  </TD>");
      out.println("</TR>");
      out.println("</TABLE>");
      out.println("<P>");
      out.println("<H2>notes:</H2>");
      out.println("<P>");
      out.println(session.getAttribute("notes_string"));
      out.println("<HR>");
      out.println("<P>");
      out.println("Here is the data used:"); // HINKEY

      printDataTable(out, session);
      }

    } // end of doGet()

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                doPost                                           //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void doPost ( HttpServletRequest req, HttpServletResponse res ) 
   throws ServletException, IOException {
    HttpSession session = req.getSession(true);
    res.setContentType("text/html");
    PrintWriter out = res.getWriter(); 
    String postType = req.getParameter("postType");
    debug = req.getParameter("debug"); 
    if (debug != null) {
      session.setAttribute("debug", debug);
      }
    else {
      session.setAttribute("debug",""); 
     }
    if (trueString.equals(session.getAttribute("debug"))) {
      session.setAttribute("debugString0","?debug=true"); 
      session.setAttribute("debugString","&debug=true"); 
      }
    else {
      session.setAttribute("debugString0",""); 
      session.setAttribute("debugString",""); 
     }
    printHead(out, "BizVizWiz0 - POST");

//|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
//                                                                                 ||
//                                null                                             ||
//                                                                                 ||
//|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||

    if (postType == null) {

      // input_data post

      printNavBar(out, 1, false, session);
      if (trueString.equals(session.getAttribute("debug"))) {
        printDebug(out, "input_data post page");
        }

      printStepsHighlighted(out, session, 2);

      session.setAttribute("a0",req.getParameter("a0")); 
      session.setAttribute("a1",req.getParameter("a1")); 
      session.setAttribute("a2",req.getParameter("a2")); 
      session.setAttribute("a3",req.getParameter("a3")); 
      session.setAttribute("b0",req.getParameter("b0")); 
      session.setAttribute("b1",req.getParameter("b1")); 
      session.setAttribute("b2",req.getParameter("b2")); 
      session.setAttribute("b3",req.getParameter("b3")); 
      session.setAttribute("c0",req.getParameter("c0")); 
      session.setAttribute("c1",req.getParameter("c1")); 
      session.setAttribute("c2",req.getParameter("c2")); 
      session.setAttribute("c3",req.getParameter("c3")); 
      {
          //in servlet from:
          // http://www.sitepoint.com/forums/showthread.php?417581-Put-arrays-in-session-variables

          // http://www.leepoint.net/notes-java/data/arrays/arrays-2D.html
          //
          // 2-dimensional arrays are usually represented with a row-column
          // "spreadsheet" style. Assume we have an array, a, with two rows
          // and four columns.
          //
          // int[][] a = new int[2][4];  // Two rows and four columns.

          int i_row, i_col;

          String my_array[][] = {
              {"00", "01"},
              {"10", "11"},
              {"20", "21"}
              };
          String[][] my_other_array = new String[2][3];

          session.setAttribute( "myArray", my_array );

          my_other_array = (String[][])session.getAttribute( "myArray");

          if (trueString.equals(session.getAttribute("debug"))) {
              printDebug(out, "my_array length: " + my_array.length);
              printDebug(out, "my_other_array length: " + my_other_array.length);
              for (i_row = 0; i_row < 3; i_row++) {
                  for (i_col = 0; i_col < 2; i_col++) {
                      printDebug(out, "my_other_array[" + i_row + "][" + i_col
                         + "]: " + my_other_array[i_row][i_col]);
                      }
                  }
              }
          }

      out.println("<H2>Thank you for entering your data.</H2>");
      out.println("<H3>Here it is:</H3>");
      printDataTable(out, session);

      out.close();
      } // end if (postType == null)

//|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
//                                                                                 ||
//                                submit_params                                    ||
//                                                                                 ||
//|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||

    else if (postType.equals("submit_params")) {

      printNavBar(out, 1, false, session);
      if (trueString.equals(session.getAttribute("debug"))) {
        printDebug(out, "submit_parameters post page");
        }

      printStepsHighlighted(out, session, 3);

      session.setAttribute("normDir",req.getParameter("normDir")); 
      session.setAttribute("h",req.getParameter("h")); 
      session.setAttribute("w",req.getParameter("w")); 
      session.setAttribute("title_string",req.getParameter("title_string")); 
      session.setAttribute("notes_string",req.getParameter("notes_string")); 
      session.setAttribute("units_string",req.getParameter("units_string")); 

      if (true) {
        if (trueString.equals(session.getAttribute("debug"))) {
          printDebug(out, "inputs ok!");
          }
        out.println("<H2>Thank you for entering your parameters.</H2>");
        out.println("<H3>Here they are:</H3>");
        }
      else {
        }

      out.println("normDir = " + session.getAttribute("normDir") + "<BR>");
      out.println("h       = " + session.getAttribute("h") + "<BR>");
      out.println("w       = " + session.getAttribute("w") + "<BR>");

      } // end if (postType.equals("submit_params"))

//|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
//                                                                                 ||
//                                foo                                              ||
//                                                                                 ||
//|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||

    else if (postType.equals("foo")) {

      out.println("<H1>foo</H1>");

      } // end if (postType.equals("foo"))

//|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
//                                                                                 ||
//                                illegal                                          ||
//                                                                                 ||
//|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||

    else {

      // illegal post type

      if (trueString.equals(session.getAttribute("debug"))) {
        printDebug(out, "illegal post type");
        }

      }
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                printHead                                        //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void printHead(PrintWriter out, String title) {
    out.println("<HTML><HEAD><TITLE>" + title + "</TITLE></HEAD>");
    out.println("<BODY LINK=\"WHITE\" VLINK=\"#A0A0A0\" ALINK=\"#FFFFA0\">");
    out.println("<FONT COLOR=\"BLACK\" FACE=\"Arial,Helvetica\">");
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                printNavBar                                      //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void printNavBar(PrintWriter out, int position,
    boolean loginStatus, HttpSession session) {
    out.println("<!-- START OF NAV BAR -->");
    out.println("<CENTER>");
    out.println("<TABLE BORDER=0 CELLSPACING=0>");
    out.println("<TR>");
    out.println("<TD HEIGHT=16 WIDTH=384 BGCOLOR=\"#A0A0A0\" ALIGN=CENTER><FONT COLOR=\"WHITE\" FACE=\"Arial,Helvetica\">BizVizWiz0</FONT></TD>");
    out.println("</TR>");
    out.println("</TABLE>");
    out.println("<TABLE BORDER=0 CELLSPACING=0>");
    out.println("<TR>");
    out.println("<TD HEIGHT=64 WIDTH=128 BGCOLOR=\"BLACK\" ALIGN=\"CENTER\">");
    out.println("<TABLE BORDER=0 CELLSPACING=0>");
    out.println("<TR>");
    out.println("<TD HEIGHT=32 WIDTH=96 BGCOLOR=\"BLACK\" ALIGN=CENTER><FONT COLOR=\"WHITE\" FACE=\"Arial,Helvetica\"><A HREF=\"../servlet/BizVizWiz0?requestType=input_data"
      + session.getAttribute("debugString") + "\">input data</A></FONT></TD>");
    out.println("</TR>");
    out.println("</TABLE>");
    out.println("</TD>");
    out.println("<TD HEIGHT=64 WIDTH=128 BGCOLOR=\"BLACK\" ALIGN=\"CENTER\">");
    out.println("<TABLE BORDER=0 CELLSPACING=0>");
    out.println("<TR>");
    out.println("<TD HEIGHT=32 WIDTH=96 BGCOLOR=\"BLACK\" ALIGN=CENTER><FONT COLOR=\"WHITE\" FACE=\"Arial,Helvetica\"><A HREF=\"../servlet/BizVizWiz0?requestType=set_params"
      + session.getAttribute("debugString") + "\">set params</A></FONT></TD>");
    out.println("</TR>");
    out.println("</TABLE>");
    out.println("</TD>");
    out.println("<TD HEIGHT=64 WIDTH=128 BGCOLOR=\"BLACK\" ALIGN=\"CENTER\">");
    out.println("<TABLE BORDER=0 CELLSPACING=0>");
    out.println("<TR>");
    out.println("<TD HEIGHT=32 WIDTH=96 BGCOLOR=\"BLACK\" ALIGN=CENTER><FONT COLOR=\"WHITE\" FACE=\"Arial,Helvetica\"><A HREF=\"../servlet/BizVizWiz0?requestType=view_results"
      + session.getAttribute("debugString") + "\">view results</A></FONT></TD>");
    out.println("</TR>");
    out.println("</TABLE>");
    out.println("</TD>");
    out.println("</TR>");
    out.println("</TABLE>");
    out.println("</CENTER>");
    out.println("<!-- END OF NAV BAR -->");
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                printInput_dataForm                              //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void printInput_dataForm(PrintWriter out, HttpSession session) {
    out.println("<H1>input data</H1>");
    out.println("<P>");
    out.println("Enter 12 numbers from 0 to 255 below.");
    out.println("<P>");
    out.println("<FORM METHOD=POST ACTION=http://travelingtechie.com/servlet/BizVizWiz0" + session.getAttribute("debugString0") + ">");
    out.println("<INPUT TYPE=text NAME=a0 VALUE=\"0\"> a0 ");
    out.println("<INPUT TYPE=text NAME=a1 VALUE=\"20\"> a1 ");
    out.println("<INPUT TYPE=text NAME=a2 VALUE=\"130\"> a2 ");
    out.println("<INPUT TYPE=text NAME=a3 VALUE=\"165\"> a3 <BR>");
    out.println("<INPUT TYPE=text NAME=b0 VALUE=\"220\"> b0 ");
    out.println("<INPUT TYPE=text NAME=b1 VALUE=\"225\"> b1 ");
    out.println("<INPUT TYPE=text NAME=b2 VALUE=\"240\"> b2 ");
    out.println("<INPUT TYPE=text NAME=b3 VALUE=\"220\"> b3 <BR>");
    out.println("<INPUT TYPE=text NAME=c0 VALUE=\"205\"> c0 ");
    out.println("<INPUT TYPE=text NAME=c1 VALUE=\"160\"> c1 ");
    out.println("<INPUT TYPE=text NAME=c2 VALUE=\"90\"> c2 ");
    out.println("<INPUT TYPE=text NAME=c3 VALUE=\"30\"> c3 <BR>");
    out.println("<INPUT TYPE=submit VALUE=\"input data\">");
    out.println("</FORM>");
    out.println("<P>");
    out.println("Here is the last data entered:");
    out.println("<P>");

    printDataTable(out, session);
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                printSet_paramsForm                              //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void printSet_paramsForm(PrintWriter out, HttpSession session) {
    out.println("<H1>set params</H1>");
    out.println("<P>");
    out.println("<FORM METHOD=POST ACTION=http://travelingtechie.com/servlet/BizVizWiz0?postType=submit_params" + session.getAttribute("debugString0"));
    out.println("Normalize:<BR>");
    out.println("<INPUT TYPE=\"RADIO\" NAME=\"normDir\" VALUE=\"rows\">rows<BR>");
    out.println("<INPUT TYPE=\"RADIO\" NAME=\"normDir\" VALUE=\"columns\">columns<BR>");
    out.println("<INPUT TYPE=\"RADIO\" NAME=\"normDir\" VALUE=\"both\">both<BR>");
    out.println("<INPUT TYPE=\"RADIO\" NAME=\"normDir\" VALUE=\"none\" CHECKED>none<BR>");
    out.println("<P>");
    out.println("<INPUT TYPE=text NAME=\"h\" VALUE=\"32\"> height of cells <BR>");
    out.println("<INPUT TYPE=text NAME=\"w\" VALUE=\"32\"> width of cells <BR>");
    out.println("<P>");
    out.println("<INPUT TYPE=text NAME=\"title_string\" VALUE=\"Green Bay Wisconsin record high monthly temperatures\"> title of display<BR>");
    out.println("<INPUT TYPE=text NAME=\"units_string\" VALUE=\"deg F\"> units<BR>");
    out.println("<INPUT TYPE=text NAME=\"notes_string\" VALUE=\"a0 = Jan., a1 = Feb., ... c3 = Dec.\"> additional notes after key<BR>");
    out.println("<P>");
    out.println("<INPUT TYPE=submit VALUE=\"submit parameters\">");
    out.println("</FORM>");
    out.println("<HR><!------------------------------------------------------------>");
    out.println("<!------------------------------------------------------------");
    out.println("<FORM METHOD=POST ACTION=http://travelingtechie.com/servlet/BizVizWiz0" + session.getAttribute("debugString0") + "?postType=foo>");
    out.println("<INPUT TYPE=\"text\" NAME=\"thisinput\" VALUE=\"default\" SIZE=10 MAXLENGTH=20>");
    out.println("<INPUT TYPE=\"checkbox\" NAME=\"thisbox\" VALUE=\"on\" CHECKED>");
    out.println("<INPUT TYPE=\"radio\" NAME=\"radio1\" VALUE=\"1\">");
    out.println("<INPUT TYPE=\"submit\" VALUE=\"done\">");
    out.println("<INPUT TYPE=\"radio\" NAME=\"radio1\" VALUE=\"2\" CHECKED>");
    out.println("<INPUT TYPE=\"hidden\" NAME=\"notvisible\" VALUE=\"5\">");
    out.println("<INPUT TYPE=submit VALUE=\"submit more parameters\">");
    out.println("</FORM>");
    out.println("------------------------------------------------------------->");
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                printDataTable                                   //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void printDataTable(PrintWriter out, HttpSession session) {
    out.println("<TABLE BORDER=2>");
    out.println("<TR>");
    out.println("<TH>&nbsp;</TH> <TH>0</TH> <TH>1</TH> <TH>2</TH> <TH>3</TH>");
    out.println("</TR>");
    out.println("<TR>");
    out.println("<TH>a</TH> <TD>" + session.getAttribute("a0") + "</TD>");
    out.println("<TD>" + session.getAttribute("a1") + "</TD>");
    out.println("<TD>" + session.getAttribute("a2") + "</TD>");
    out.println("<TD>" + session.getAttribute("a3") + "</TD>");
    out.println("</TR>");
    out.println("<TR>");
    out.println("<TH>b</TH> <TD>" + session.getAttribute("b0") + "</TD>");
    out.println("<TD>" + session.getAttribute("b1") + "</TD>");
    out.println("<TD>" + session.getAttribute("b2") + "</TD>");
    out.println("<TD>" + session.getAttribute("b3") + "</TD>");
    out.println("</TR>");
    out.println("<TR>");
    out.println("<TH>c</TH> <TD>" + session.getAttribute("c0") + "</TD>");
    out.println("<TD>" + session.getAttribute("c1") + "</TD>");
    out.println("<TD>" + session.getAttribute("c2") + "</TD>");
    out.println("<TD>" + session.getAttribute("c3") + "</TD>");
    out.println("</TR>");
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                printDebug                                       //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void printDebug(PrintWriter out, String s) {
    out.println("<FONT COLOR=GREEN><H3><U>debug</U>: " + s + "</H3></FONT>");
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                printStepsHighlighted                            //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void printStepsHighlighted(PrintWriter out, HttpSession session,
      int highlight) {

    out.println("<FONT SIZE=-2>");
    out.println("<TABLE BORDER=0><TR>");

    // Step 1

    out.println("<TD>");
    if (highlight == 1 || highlight == 99) {
        out.println("<FONT SIZE=-1 COLOR=BLACK>");
        }
    else {
        out.println("<FONT SIZE=-1 COLOR=#a0a0a0>");
        }
    out.println("<H3>Step 1:</H3>");
    out.println("<P>");
    out.println("Go the <B>input data</B> screen (link above) and enter twelve");
    out.println("numbers from 0 to 255, then press the \"input data\" button.");
    out.println("</FONT>");
    out.println("</TD>");

    // Step 2

    out.println("<TD>");
    if (highlight == 2 || highlight == 99) {
        out.println("<FONT SIZE=-1 COLOR=BLACK>");
        }
    else {
        out.println("<FONT SIZE=-1 COLOR=#a0a0a0>");
        }
    out.println("<H3>Step 2:</H3>");
    out.println("<P>");
    out.println("Go the <B>set params</B> screen (link above) and enter parameters");
    out.println("then press the\"submit parameters\" button.");
    out.println("</FONT>");
    out.println("</TD>");

    // Step 3

    out.println("<TD>");
    if (highlight == 3 || highlight == 99) {
        out.println("<FONT SIZE=-1 COLOR=BLACK>");
        }
    else {
        out.println("<FONT SIZE=-1 COLOR=#a0a0a0>");
        }
    out.println("<H3>Step 3:</H3>");
    out.println("<P>");
    out.println("Go the <B>view results</B> screen (link above) and see a 2D");
    out.println("color plot in an HTML table.");
    out.println("</FONT>");
    out.println("</TD>");

    out.println("</TR></TABLE>");
    out.println("</FONT>");

    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                safetyCheck                            //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  public void safetyCheck(PrintWriter out, HttpSession session) {
      if (trueString.equals(session.getAttribute("debug"))) {
        printDebug(out, "<FONT COLOR=GREEN>safetyCheck() done</FONT>");
        }

      // params

      if (null == session.getAttribute("h"))
          session.setAttribute("h", "32");
      if (null == session.getAttribute("w"))
          session.setAttribute("w", "32");
      if (null == session.getAttribute("title_string"))
          session.setAttribute("title_string", "Green Bay bla bla");
      if (null == session.getAttribute("units_string"))
          session.setAttribute("units_string", "d F");
      if (null == session.getAttribute("notes_string"))
          session.setAttribute("notes_string", "bla bla");

      // normalized monthly record highs in Green Bay, WI

      if (null == session.getAttribute("a0"))
          session.setAttribute("a0", "0"); // 56 deg F Jan.
      if (null == session.getAttribute("a1"))
          session.setAttribute("a1", "20"); // 60 deg F Feb.
      if (null == session.getAttribute("a2"))
          session.setAttribute("a2", "130"); // 82 deg F Mar.
      if (null == session.getAttribute("a3"))
          session.setAttribute("a3", "165"); // 89 deg F Apr.
      if (null == session.getAttribute("b0"))
          session.setAttribute("b0", "220"); // 100 deg F May.
      if (null == session.getAttribute("b1"))
          session.setAttribute("b1", "225"); // 101 deg F Jun.
      if (null == session.getAttribute("b2"))
          session.setAttribute("b2", "240"); // 104 deg F Jul.
      if (null == session.getAttribute("b3"))
          session.setAttribute("b3", "220"); // 100 deg F Aug.
      if (null == session.getAttribute("c0"))
          session.setAttribute("c0", "205"); // 97 deg F Sep.
      if (null == session.getAttribute("c1"))
          session.setAttribute("c1", "160"); // 88 deg F Oct.
      if (null == session.getAttribute("c2"))
          session.setAttribute("c2", "90"); // 74 deg F Nov.
      if (null == session.getAttribute("c3"))
          session.setAttribute("c3", "30"); // 62 deg F Dec.
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                isAlpha                                          //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  private boolean isAlpha(char c) {
    if( (c >=65 && c <= 90) || (c >=97 && c <= 122) )
      return true;
    else
      return false;
    }

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
//                                dec_to_hex                                          //
//                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////

  private String dec_to_hex(String d, int mode) {

    if (mode == 0) {
        if (Integer.parseInt(d) < 16) {
            return "0" + Integer.toHexString(Integer.parseInt(d));
            }
        else {
            return Integer.toHexString(Integer.parseInt(d));
            }
        }
    else {
        if (255 - Integer.parseInt(d) < 16) {
            return "0" + Integer.toHexString(255 - Integer.parseInt(d));
            }
        else {
            return Integer.toHexString(255 - Integer.parseInt(d));
            }
        }

    }

/////////////////////////////////////////////////////////////////////////////////////

  static String mailHost;
  static String sourceEmail;
  static String destinationEmail;
  static String subjectString;
  static String ccString;
  static String bodyString;
  static boolean debugFlag;
  static String h;
  static String w;

} // end of class BizVizWiz0