module DT - dt-0.0.1 Documentation

array_hash_to_table(array_hash) click to toggle source

++ construct html table from array, but all the elements are same shape hash, array = [{“name” => “John”, “year” => “1990”},{“name” => “Jim”, “year” => “1991”}] ++

# File lib/dt.rb, line 62
def self.array_hash_to_table(array_hash)
  # all the element of array are same structure hash
  #
  table_head = "<table border=\"1\"><thead><tr>"
  table_head_cell = String.new
  array_hash[0].each_key do |key|
    table_head_cell += "<th>" + key + "</th>"
  end
  table_head += table_head_cell + "</tr></thead>"

  table_body = ""
  table_cell = ""
  array_hash.each do |hash|
    table_cell += "<tr>"
    hash.each do |key, value|
      table_cell += "<td>#{value}</td>"
    end
    table_cell += "</tr>"
  end
  table_body = "<tbody>" + table_cell + "</tbody>"

  table_head + table_body
end

array_to_list(array) click to toggle source

++ construct html table from array ++

# File lib/dt.rb, line 5
def self.array_to_list(array)
  list_string_start = "<ul>"
  list_string_content = String.new
  array.each do |item|
    list_string_content += "<li>" + item + "</li>"
  end
  list_string_end = "</ul>"
  list_string_start + list_string_content + list_string_end
end

hash_array_to_table(hash_array) click to toggle source

++ construct html table from a hash with all the value should be array like, hash => {“name” => [“John”, “Jim”], “Year” => [“1990”, “1991”]} ++

# File lib/dt.rb, line 19
def self.hash_array_to_table(hash_array)
  table_head = "<table border=\"1\"><thead><tr>"
  table_head_cell = ""

  len = 0
  key_num = hash_array.keys.length

  hash_array.each_key do |key|
    table_head_cell += "<th>" + key + "</th>"
    new_len = hash_array["#{key}"].length
    if new_len > len
      len = new_len
    end
  end
  table_head_cell += "</tr></thead>"

  table_body = String.new
  i = 0
  table_body = "<tbody>"
  while (i < len)
    sub_head = "<tr>"
    sub_body = ""
    j = 0
    key_num.times do
      value = hash_array["#{hash_array.keys[j]}"][i]
      sub_body += "<td>#{value}</td>" if value
      sub_body += "<td></td>" if !value
      j += 1
    end
    i += 1
    sub_foot = "</tr>"

    sub = sub_head + sub_body + sub_foot
    table_body += sub
  end

  table_head + table_head_cell + table_body + "</tbody>"
end