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module TablePrint
class Column
attr_reader :formatters
attr_accessor :name, :data, :time_format, :default_width, :min_width, :fixed_width
def initialize(attr_hash={})
@formatters = []
attr_hash.each do |k, v|
self.send("#{k}=", v)
end
end
def name=(n)
@name = n.to_s
end
def formatters=(formatter_list)
formatter_list.each do |f|
add_formatter(f)
end
end
def display_method=(method)
method = method.to_s unless method.is_a? Proc
@display_method = method
end
def display_method
@display_method ||= name
end
def add_formatter(formatter)
@formatters << formatter
end
def data_width
if multibyte_count
[
name.each_char.collect{|c| c.bytesize == 1 ? 1 : 2}.inject(0, &:+),
Array(data).compact.collect(&:to_s).collect{|m| m.each_char.collect{|n| n.bytesize == 1 ? 1 : 2}.inject(0, &:+)}.max
].compact.max || 0
else
[
name.length,
Array(data).compact.collect(&:to_s).collect(&:length).max
].compact.max || 0
end
end
def width
return fixed_width if fixed_width
width = [(default_width || max_width), data_width].min
[(min_width || 0), width].max
end
private
def max_width
TablePrint::Config.max_width
end
def multibyte_count
TablePrint::Config.multibyte
end
end
end
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