table-test2.rb

require 'prawn'
require 'prawn/layout'

Prawn::Document.generate("table-test2.pdf") do
  headers = ["Course", "Grade", "Comments"]
  data = []
  10.times { |i| data << ["Home Room", "A+", "Great work!"]}
  
  def make_table(headers, data)
    table(
      data,
      :headers => headers,
      :font_size => 8,
      :border_style => :grid,
      :border_width => 0.5,
      :width => bounds.width)
  end
  
  text "Report for all students", :size => 22

  # Left column w/ some padding
  bounding_box([bounds.left, bounds.top - 32], :width => bounds.width / 2 - 16) do
    3.times do |i|
      text "Student Name Here"
      move_down 4 # So the student's name isn't so close to the table
      make_table(headers, data[0..rand(10)])
      move_down 16 # So the next student's name isn't so close to this table
    end
  end
  
  # Right column w/ some padding
  bounding_box([bounds.left + bounds.width / 2 + 16, bounds.top - 32], :width => bounds.width / 2 - 16) do
    3.times do |i|
      text "Student Name Here"
      move_down 4 # So the student's name isn't so close to the table
      make_table(headers, data[0..rand(10)])
      move_down 16 # So the next student's name isn't so close to this table
    end
  end
end