Class: Table

Inherits:
Object
  • Object
show all
Defined in:
lib/cli-table.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(header) ⇒ Table

Returns a new instance of Table.



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# File 'lib/cli-table.rb', line 5

def initialize header
  @header = header
  @rows = []
end

Instance Attribute Details

#header ⇒ Object

Returns the value of attribute header.



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# File 'lib/cli-table.rb', line 3

def header
  @header
end

#rows ⇒ Object

Returns the value of attribute rows.



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# File 'lib/cli-table.rb', line 3

def rows
  @rows
end

Instance Method Details

#is_correct? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cli-table.rb', line 72

def is_correct?
  if @rows == []
    return true
  end

  t = @rows.map {|l| l.length}.uniq
  if t.length != 1
    return false
  end

  if t[0] != @header.length
    return false
  end

  return true
end

#show ⇒ Object 



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# File 'lib/cli-table.rb', line 10

def show

  # wish i could explain what line of code its wrong
  if not is_correct then return end

  sdata = [@header.clone]
  sdata += self.datato_s
  # does everything have to be turned into a string?
  # i think so

  # get longest item in a column
  rpad = []
  nrows = sdata[0].length
  # the issue was, i was going for how many rows, should of gone by rows
  # this is really confussing
  # idk why it really works
  0.upto(nrows -1).each do |i|
    #p sdata[i]
    rpad << sdata.max{|a, b| a[i].length <=> b[i].length}[i].length() +1
  end

  floor = '─'
  wall = '│'
  tsign  = {:ut => '┴', :dt => '┬', :rt => '├', :lt => '┤', :cross => '┼'}
  corner = {:tr => '┌', :tl => '┐', :br => '┘', :bl => '└'}

  top = corner[:tr]
  mid = tsign[:rt]
  bot = corner[:bl]

  head = "#{wall}"
  (0...sdata[0].length).each do |i|
    temp = " #{sdata[0][i].ljust(rpad[i])}#{wall}"
    top += temp.split("").map{|s| floor}.join("")
    top[-1] = tsign[:dt]

    mid += temp.split("").map{|s| floor}.join("")
    mid[-1] = tsign[:cross]

    bot += temp.split("").map{|s| floor}.join("")
    bot[-1] = tsign[:ut]
    head << temp
  end
  top[-1] = corner[:tl]
  mid[-1] = tsign[:lt]
  bot[-1] = corner[:br]

  puts top
  puts head
  puts mid
  # we can start printing table
  sdata[1..-1].each do |l|
    (0...l.length()).each do |i|
      print("#{wall} #{l[i].ljust(rpad[i])}")
    end
    print "#{wall}"
    puts ""
  end

  puts bot
end