Class: ScoreCard

Inherits:
Object
  • Object
show all
Defined in:
app/helpers/score_card_helper.rb

Instance Method Summary collapse

Constructor Details

#initialize(view, options = {}, size) ⇒ ScoreCard

Returns a new instance of ScoreCard.



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# File 'app/helpers/score_card_helper.rb', line 15

def initialize(view, options={}, size)
  @view = view
  @options = options
  @size = size
  @scores = []
end

Instance Method Details

#fraction(label, numerator, denominator, options = {}) ⇒ Object 



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# File 'app/helpers/score_card_helper.rb', line 52

def fraction(label, numerator, denominator, options={})
  return score(label, numerator, options) unless denominator

  precision = options.delete(:precision)
  if precision
    numerator = @view.number_with_precision(numerator, precision: precision)
    denominator = @view.number_with_precision(denominator, precision: precision)
  end

  value = "<span class=\"numerator\">#{numerator}</span>" +
          "<span class=\"divided-by\">/</span>" +
          "<span class=\"denominator\">#{denominator}</span>"
  score(label, value.html_safe, options.merge(score_count_class: "fraction"))
end

#generate ⇒ Object 



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# File 'app/helpers/score_card_helper.rb', line 76

def generate
  css = ["score"].concat Array(@options.fetch(:class, []))
  css << "score-giant" if @size == :giant
  css << "score-large" if @size == :large
  css << "score-medium" if @size == :medium
  css << "score-small" if @size == :small
  @view.content_tag(:div, @scores.join.html_safe, @options.slice(:style).merge(:class => css.join(" ")))
end

#percent(label, value, options = {}) ⇒ Object 



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# File 'app/helpers/score_card_helper.rb', line 67

def percent(label, value, options={})
  score(label, value, options.reverse_merge(precision: 0).merge(score_count_class: "percent"))
end

#raw(content = nil, &block) ⇒ Object 



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# File 'app/helpers/score_card_helper.rb', line 71

def raw(content=nil, &block)
  content = @view.capture(&block) if block_given?
  @scores << content
end

#score(label, value, options = {}) ⇒ Object 



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# File 'app/helpers/score_card_helper.rb', line 22

def score(label, value, options={})
  score_count_class = Array(options.delete(:score_count_class)) << "score-count"
  precision = options.delete(:precision)

  css = Array(options.fetch(:class, []))
  if value.is_a?(Numeric)
    css << "zero" if value == 0
    css << "positive" if value > 0
    css << "negative" if value < 0
  end

  if value.is_a?(Float) && (value.nan? || value.infinite?)
    value = "&mdash;".html_safe
    css << "nan"
  elsif precision
    value = @view.number_with_precision(value, precision: precision) if precision
  end

  value = value.to_s.gsub(/\./, '<span class="period">.</span>')
  value = options[:prefix] + value if options[:prefix]
  value << "<span class=\"unit\">#{options[:unit]}</span>" if options[:unit]

  @scores << @view.content_tag(:p, :class => css.join(" ")) do
    @view.content_tag(:span, value.html_safe, :class => score_count_class.join(" ")) +
    @view.content_tag(:span, label, :class => "score-label")
  end

  nil
end