Module: SpriteFactory::Style

Defined in:
lib/sprite_factory/style.rb

Class Method Summary collapse

Class Method Details

.comment(style_name, comment) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 66

def self.comment(style_name, comment)
  send("#{style_name}_comment", comment)
end

.css(selector, name, attributes) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 6

def self.css(selector, name, attributes)
  "#{selector}#{name} { #{css_style(attributes)}; }"
end

.css_comment(comment) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 14

def self.css_comment(comment)
  return "/*\n#{comment}\n*/"
end

.css_style(attributes) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 10

def self.css_style(attributes)
  attributes.join("; ")
end

.generate(style_name, selector, url, images) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 48

def self.generate(style_name, selector, url, images)
  styles = []
  images.each do |image|
    attr = [
      "width: #{image[:cssw]}px",
      "height: #{image[:cssh]}px",
      "background: #{url} #{-image[:cssx]}px #{-image[:cssy]}px no-repeat"
    ]
    image[:selector] = selector                          # make selector available for (optional) custom rule generators
    image[:style]    = send("#{style_name}_style", attr) # make pure style available for (optional) custom rule generators (see usage of yield inside Runner#style)
    styles << send(style_name, selector, image[:name], attr)
  end
  styles << ""
  styles.join("\n")
end

.sass(selector, name, attributes) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 34

def self.sass(selector, name, attributes)
  "#{selector}#{name}\n" + sass_style(attributes)
end

.sass_comment(comment) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 42

def self.sass_comment(comment)
  return "/* #{comment.rstrip} */" # SASS has peculiar indenting requirements in order to recognise closing block comment
end

.sass_style(attributes) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 38

def self.sass_style(attributes)
  attributes.map{|a| "  #{a}"}.join("\n") + "\n"
end

.scss(selector, name, attributes) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 20

def self.scss(selector, name, attributes)
  css(selector, name, attributes) # scss is a superset of css, but we dont actually need any of the extra bits, so just defer to the css generator instead
end

.scss_comment(comment) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 28

def self.scss_comment(comment)
  css_comment(comment)
end

.scss_style(attributes) ⇒ Object 



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# File 'lib/sprite_factory/style.rb', line 24

def self.scss_style(attributes)
  css_style(attributes)
end