Class: MonoclePrint::Table::Column

Inherits:
Object
  • Object
show all
Includes:
MonoclePrint
Defined in:
lib/monocle-print/table/column.rb

Constant Summary

Constants included from MonoclePrint

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from MonoclePrint

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

Constructor Details

#initialize(table, index) ⇒ Column

Returns a new instance of Column.



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# File 'lib/monocle-print/table/column.rb', line 9

def initialize( table, index )
  @table        = table
  @index        = index
  @wrap         = false
  @flow         = false
  @alignment    = :left
  @fixed_width  = nil
  @cached_width = nil
end

Instance Attribute Details

#alignment ⇒ Object

Returns the value of attribute alignment.



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# File 'lib/monocle-print/table/column.rb', line 20

def alignment
  @alignment
end

#index ⇒ Object (readonly)

Returns the value of attribute index.



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# File 'lib/monocle-print/table/column.rb', line 19

def index
  @index
end

#table ⇒ Object (readonly)

Returns the value of attribute table.



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# File 'lib/monocle-print/table/column.rb', line 19

def table
  @table
end

Instance Method Details

#calculate_metrics ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 83

def calculate_metrics
  @cached_width = @fixed_width || calculate_width
end

#cells ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 48

def cells
  @table.grep( Row ) { | row | row[ @index ] || Line( '' ) }
end

#clear_metrics ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 87

def clear_metrics
  @cached_width = nil
end

#first? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/monocle-print/table/column.rb', line 60

def first?
  @index.zero?
end

#fixed=(bool) ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 40

def fixed=( bool )
  self.malleable = !bool
end

#fixed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/monocle-print/table/column.rb', line 36

def fixed?
  not malleable?
end

#last? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/monocle-print/table/column.rb', line 64

def last?
  @index == (table.columns.length - 1)
end

#malleable=(bool) ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 32

def malleable=( bool )
  @wrap = @flow = bool
end

#malleable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/monocle-print/table/column.rb', line 28

def malleable?
  @wrap and @flow
end

#next_column ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 56

def next_column
  @table.columns[ @index + 1 ]
end

#prepare(cell_text) ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 68

def prepare( cell_text )
  cell_text = cell_text ? cell_text.dup : Text( ' ' )
  @flow and cell_text.reflow!( false )
  @wrap and cell_text = cell_text.wrap( width - 1 )
  cell_text.align!( @alignment, width )
end

#previous_column ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 52

def previous_column
  @index.zero? ? nil : @table.columns[ @index - 1 ]
end

#title ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 44

def title
  @table.titles[ @index ]
end

#width ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 79

def width
  @fixed_width or @cached_width or calculate_width
end

#width=(w) ⇒ Object 



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# File 'lib/monocle-print/table/column.rb', line 75

def width=( w )
  @fixed_width = Utils.at_least( w.to_i, 1 )
end