// roster_05.cpp
// CS302
// James S. Plank
// EECS Department, University of Tennessee
// August, 2009
//
#include "roster_05.h"

Roster::Roster(int starting_number)
{
  start = starting_number;
}

void Roster::Add_name(string name)
{
  names.push_back(name);
}

void Roster::Print(int columns, int print_names)
{
  int i, c, j, tmp;
  vector <int> randomize;

  randomize.resize(names.size());
  for (i = 0; i < randomize.size(); i++) randomize[i] = i;
  for (j = randomize.size(); j > 0; j--) {
    i = lrand48()%j;
    tmp = randomize[j-1];
    randomize[j-1] = randomize[i];
    randomize[i] = tmp;
  }

  c = 0;
  cout << "<table border=2>\n";

  for (i = 0; i < names.size(); i++) {

    if (c == 0) cout << "<tr>\n";   // Start a new row when c = 0.

    cout << "<td>";
    printf("<IMG src=Pictures/%06d.jpg height=100>", randomize[i]+start);
    if (print_names) cout << "<br>" << names[randomize[i]];
    cout << "</td>" << endl;

    c++;
    if (c == columns) {            // End the row when c == columns
      cout << "</tr>\n";
      c = 0;
    }
  }

  if (c != 0) cout << "</tr>\n";   // If the last row is incomplete, end it.
  cout << "</table>\n";
}