Class: Dracula::UI

Inherits:
Object
  • Object
show all
Defined in:
lib/dracula/ui.rb

Class Method Summary collapse

Class Method Details

.bold(str) ⇒ Object 



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# File 'lib/dracula/ui.rb', line 4

def self.bold(str)
  if $stdout.tty? # colorize only if output is terminal
    "\e[34m#{str}\e[0m"
  else
    str
  end
end

.danger(str) ⇒ Object 



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# File 'lib/dracula/ui.rb', line 12

def self.danger(str)
  if $stdout.tty? # colorize only if output is terminal
    "\e[31m#{str}\e[0m"
  else
    str
  end
end

.error(str) ⇒ Object 



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# File 'lib/dracula/ui.rb', line 20

def self.error(str)
  danger("[ERROR] ") + str.to_s
end

.print_table(array, options = {}) ⇒ Object

Prints a table. Shamelesly copied from thor.

Parameters

Array[Array[String, String, …]]

Options

indent<Integer>

Indent the first column by indent value.

colwidth<Integer>

Force the first column to colwidth spaces wide.



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# File 'lib/dracula/ui.rb', line 33

def self.print_table(array, options = {}) # rubocop:disable MethodLength
  return if array.empty?

  formats = []
  indent = options[:indent].to_i
  colwidth = options[:colwidth]
  options[:truncate] = terminal_width if options[:truncate] == true

  formats << "%-#{colwidth + 2}s".dup if colwidth
  start = colwidth ? 1 : 0

  colcount = array.max { |a, b| a.size <=> b.size }.size

  maximas = []

  start.upto(colcount - 1) do |index|
    maxima = array.map { |row| row[index] ? row[index].to_s.size : 0 }.max
    maximas << maxima
    formats << if index == colcount - 1
                 # Don't output 2 trailing spaces when printing the last column
                 "%-s".dup
               else
                 "%-#{maxima + 2}s".dup
               end
  end

  formats[0] = formats[0].insert(0, " " * indent)
  formats << "%s"

  array.each do |row|
    sentence = "".dup

    row.each_with_index do |column, index|
      maxima = maximas[index]

      f = if column.is_a?(Numeric)
        if index == row.size - 1
          # Don't output 2 trailing spaces when printing the last column
          "%#{maxima}s"
        else
          "%#{maxima}s  "
        end
      else
        formats[index]
      end
      sentence << f % column.to_s
    end

    sentence = truncate(sentence, options[:truncate]) if options[:truncate]
    puts sentence
  end
end