Class: MonoclePrint::List

Inherits:
Object
  • Object
show all
Includes:
Presentation
Defined in:
lib/monocle-print/list.rb

Constant Summary

Constants included from Presentation

Presentation::ALIGNMENTS

Constants included from MonoclePrint

COLOR_ESCAPE, FOUR_BYTES, MULTIBYTE_CHARACTER, ONE_BYTE, THREE_BYTES, TWO_BYTES, VERSION

Instance Attribute Summary

Attributes included from Presentation

#max_width, #owner

Instance Method Summary collapse

Methods included from Presentation

#alignment, #alignment=, #height, included, #output, #output=, #render, #style, #style=, #to_s, #width

Methods included from MonoclePrint

Line, Output, Rectangle, Style, Text, buffer, included, library_path, stderr, stdout, version

Constructor Details

#initialize(*items) ⇒ List

Returns a new instance of List.



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/monocle-print/list.rb', line 8

def initialize( *items )
  @spacer = nil
  @columns = nil

  items = [ items ].flatten!
  options = items.last.is_a?( Hash ) ? items.pop : nil
  initialize_view( options )

  @items = items.map! { | item | SingleLine.new( item ) }
  @sorted = nil

  if options
    value = options[ :column_spacer ] and self.column_spacing = value
    value = options[ :columns ] and self.columns = value
  end
  block_given? and yield( self )
end

Instance Method Details

#columns(n = nil) ⇒ Object 



48
49
50
51
 
# File 'lib/monocle-print/list.rb', line 48

def columns( n = nil )
  n and self.columns = n
  @columns or optimize_columns
end

#columns=(n) ⇒ Object 



53
54
55
56
57
58
59
 
# File 'lib/monocle-print/list.rb', line 53

def columns= n
  @columns =
    case n
    when nil then n
    else Utils.at_least( n.to_i, 1 )
    end
end

#spacer(value = nil) ⇒ Object 



26
27
28
29
 
# File 'lib/monocle-print/list.rb', line 26

def spacer( value = nil )
  value and self.column_spacer = value
  @spacer or SingleLine.new( '  ' )
end

#spacer=(value) ⇒ Object 



31
32
33
34
35
36
37
 
# File 'lib/monocle-print/list.rb', line 31

def spacer= value
  @spacer =
    case value
    when nil, SingleLine then value
    else SingleLine.new( value )
    end
end

#spacing(n) ⇒ Object 



39
40
41
42
 
# File 'lib/monocle-print/list.rb', line 39

def spacing( n )
  self.spacing = n
  spacer.width
end

#spacing=(width) ⇒ Object 



44
45
46
 
# File 'lib/monocle-print/list.rb', line 44

def spacing= width
  self.spacer = ' ' * Utils.at_least( width.to_i,  0 )
end