Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/textify.rb

Overview

Extensions to Array

Instance Method Summary collapse

Instance Method Details

#self_analyze ⇒ Object 



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# File 'lib/textify.rb', line 291

def self_analyze
  @minimal_element, @maximal_element = nil,nil
  @min_elem_sz, @max_elem_sz = 0, 0
  each do |row|
    if row.is_a? Array
       row.each do |element|
         if element.to_s.size > @max_elem_sz
          @maximal_element = element; @max_elem_sz = element.to_s.size
         elsif element.to_s.size < @min_elem_sz
          @minimal_element = element; @min_elem_sz = element.to_s.size
         end
       end
    end
  end
  # puts "[Array.self_analyze] Maximal element => '#{@maximal_element}' (#{@max_elem_sz}), minimal element => '#{@minimal_element}'"
end

#table(options = {}) ⇒ Object 



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# File 'lib/textify.rb', line 308

def table options = {}
  width = options[:width] || DefaultScreenWidth
  self_analyze
  
  columns = self[0].size
  
  min_column_width = @maximal_element.to_s.size + 2
  column_width = [min_column_width, ((width.to_i-columns).to_f/columns)].max.to_i    
  width = (column_width*columns) + columns + 1
  
  hb = ("*"*(width))+"\n"      
  result = hb

  # puts "[Array.table] Columns = #{columns}. Total width = #{width}. Column width = #{column_width}."

  if options[:headings] then
    options[:headings].each{ |th| result += "*#{justify :center, th.to_s, :width => column_width}"}
    result += "*\n"
    result += hb              
  end
  each do |row|
    row.each do |item|
      result += "*#{justify :center, item.to_s, :width => column_width}"
    end
    result += "*\n"
  end
  result += hb
  
  puts result
end