Class: Dashes::Table

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Table

Returns a new instance of Table.



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# File 'lib/dashes.rb', line 44

def initialize
  @rows = []
  @separators = []
  @aligns = []
  @width = nil
  @max_width = nil
  @spacing = nil
end

Instance Method Details

#align(*alignments) ⇒ Object 



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# File 'lib/dashes.rb', line 61

def align(*alignments)
  @aligns = alignments
end

#max_width(max_width) ⇒ Object 



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# File 'lib/dashes.rb', line 69

def max_width(max_width)
  @max_width = max_width
end

#row(*data) ⇒ Object 



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# File 'lib/dashes.rb', line 53

def row(*data)
  @rows << data.map(&:to_s)
end

#separator ⇒ Object 



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# File 'lib/dashes.rb', line 57

def separator
  @separators << @rows.length
end

#spacing(*spacing) ⇒ Object 



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# File 'lib/dashes.rb', line 73

def spacing(*spacing)
  @spacing = spacing
end

#to_s ⇒ Object 



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# File 'lib/dashes.rb', line 77

def to_s
  return '' if @rows.empty?
  widths = col_widths
  format = []
  separator = "+-#{widths.map {|w| '-'*w}.join('-+-')}-+"
  format << separator
  @rows.each_with_index do |row, index|
    @separators.select { |s| s == index }.count.times { format << separator }
    line = []
    row.each_with_index do |data, col|
      line << cell(data, widths[col], @aligns[col] || :left)
    end
    format << "| #{line.join(' | ')} |"
  end
  @separators.select { |s| s == @rows.length }.count.times { format << separator }
  format << separator
  format.join("\n")
end

#total_width ⇒ Object 



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# File 'lib/dashes.rb', line 96

def total_width
  if @rows.empty?
    0
  elsif @width
    @width
  else
    width = col_widths.reduce { |a,b| a+b }
    cols = @rows.first.size
    twidth = width + (2 * cols) + (cols + 1)
    @max_width ? [twidth, @max_width].min : twidth
  end
end

#width(width) ⇒ Object 



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# File 'lib/dashes.rb', line 65

def width(width)
  @width = width
end