Class: TheFox::Timr::Table

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = Hash.new) ⇒ Table

Returns a new instance of Table.



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# File 'lib/timr/table.rb', line 10

def initialize(options = Hash.new)
	@headings = options.fetch(:headings, Array.new)
	
	@rows = Array.new
end

Instance Attribute Details

#rows ⇒ Object (readonly)

Holds all rows.



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# File 'lib/timr/table.rb', line 8

def rows
  @rows
end

Instance Method Details

#<<(row) ⇒ Object

Append a row.



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# File 'lib/timr/table.rb', line 17

def <<(row)
	col_n = 0
	row.each do |col|
		header = @headings[col_n]
		if header
			header[:format] ||= '%s'
			header[:label] ||= ''
			unless header.has_key?(:empty)
				header[:empty] = true
			end
			header[:max_length] ||= 0
			header[:padding_left] ||= ''
			header[:padding_right] ||= ''
		else
			header = {
				:format => '%s',
				:label => '',
				:empty => true,
				:max_length => 0,
				:padding_left => '',
				:padding_right => '',
			}
		end
		
		unless col.nil?
			if header[:empty]
				header[:empty] = false
			end
			col_s = col.to_s
			if col_s.length > header[:max_length]
				header[:max_length] = (header[:format] % [col_s]).length + header[:padding_left].length + header[:padding_right].length
			end
		end
		
		col_n += 1
	end
	@rows << row
end

#to_s ⇒ Object

Render Table to String.



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# File 'lib/timr/table.rb', line 57

def to_s
	s = ''
	
	s << @headings.map{ |header|
		unless header[:empty]
			"%s#{header[:format]}%s" % [header[:padding_left], header[:label], header[:padding_right]]
		end
	}.select{ |ts| !ts.nil? }.join(' ')
	s << "\n"
	
	@rows.each do |row|
		col_n = 0
		columns = []
		row.each do |col|
			header = @headings[col_n]
			unless header[:empty]
				col_s = "%s#{header[:format]}%s" % [header[:padding_left], col, header[:padding_right]]
				
				columns << col_s
			end
			col_n += 1
		end
		s << columns.join(' ') << "\n"
	end
	
	s
end