Module: DZEN::Helpers

Defined in:
lib/dzen/helpers.rb

Overview

Some small helpers used in app module outputs.

You have to

include DZEN::Helpers

in your app file to actually use them.

Instance Method Summary collapse

Instance Method Details

#_color(c, text) ⇒ Object

Public: Colorize a given string using the callbacks

defined by DZEN::Base (or its subclass).

c - The color string, like “red” or “#ff0000”

Make sure the implementation of config.color callbacks
can interpret this colors.

text - The text to be colored.

Returns the colored string.



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# File 'lib/dzen/helpers.rb', line 20

def _color(c, text)
  config = dzen.config.color
  %|#{config[:start].call(c)}#{text}#{config[:end].call(c)}|
end

#color_critical(n, critical, options = {}) ⇒ Object

Public: Colorize a number based on wether it’s

below a critical value or not.

n - The number to colorize. critical - The critical value. options - A Hash of colors for the different colors

:normal   - for the value equal or below `critical`
:critical - for the value above `critical`

Returns the colored string.



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# File 'lib/dzen/helpers.rb', line 35

def color_critical(n, critical, options = {})
  options = { :normal => "#ff8700", :critical => "red" }.merge(options)
  if n.to_i == 0
    n.to_s
  elsif n.to_i < critical
    _color(options[:normal], n.to_i)
  else
    _color(options[:critical], n.to_i)
  end
end