Class: Paggio::CSS::Definition

Inherits:
BasicObject
Defined in:
lib/paggio/css/definition.rb

Defined Under Namespace

Classes: Gradient, Style

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ Definition

Returns a new instance of Definition.



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# File 'lib/paggio/css/definition.rb', line 16

def initialize(&block)
  @style = []

  if block.arity == 0
    instance_exec(&block)
  else
    block.call(self)
  end if block
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/paggio/css/definition.rb', line 129

def method_missing(name, *args, &block)
  name      = name.to_s
  important = name.end_with? ?!
  name      = name[0 .. -2] if important

  @important = true if important

  if important && respond_to?(name)
    __send__ name, *args, &block
    @important = false

    return
  end

  if args.length == 1
    argument = args.first

    if ::Hash === argument
      argument.each {|sub, value|
        style "#{name}-#{sub}", value
      }
    else
      style name, argument
    end
  else
    style name, args.join(' ')
  end

  @important = false

  self
end

Instance Method Details

#background(*args) ⇒ Object 



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# File 'lib/paggio/css/definition.rb', line 38

def background(*args)
  if Gradient === args.first
    if args.length > 1
      raise NotImplementedError, "multiple gradients not implemented yet"
    end

    args.first.each {|s|
      style s.name || 'background-image', s.value
    }
  else
    if ::Hash === args.first
      args.first.each {|sub, value|
        style "background-#{sub}", value
      }
    else
      style :background, args
    end
  end
end

#border(*args) ⇒ Object 



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# File 'lib/paggio/css/definition.rb', line 58

def border(*args)
  if ::Hash === args.first
    if args.length == 1
      options = args.first
    end

    options.each {|name, value|
      case name
      when :radius
        if ::Hash === value
          value.each {|horizontal, value|
            value.each {|vertical, value|
              style "-moz-border-radius-#{horizontal}#{vertical}", value
              style "-webkit-border-#{horizontal}-#{vertical}-radius", value
              style "border-#{horizontal}-#{vertical}-radius", value
            }
          }
        else
          style '-moz-border-radius', value
          style '-webkit-border-radius', value
          style 'border-radius', value
        end

      when :color
        if ::Hash === value
          value.each {|name, value|
            style "border-#{name}-color", value
          }
        else
          style 'border-color', value
        end

      else
        style "border-#{name}", value
      end
    }
  else
    style :border, args
  end
end

#box(options) ⇒ Object 



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# File 'lib/paggio/css/definition.rb', line 99

def box(options)
  if ::Hash === options
    options.each {|name, value|
      case name
      when :shadow
        if ::Array === value
          value = value.join ', '
        end

        style '-moz-box-shadow', value
        style '-webkit-box-shadow', value
        style 'box-shadow', value

      else
        style "box-#{name}", value
      end
    }
  else
    style :box, options
  end
end

#each(&block) ⇒ Object 



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# File 'lib/paggio/css/definition.rb', line 30

def each(&block)
  @style.each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/paggio/css/definition.rb', line 26

def empty?
  @style.empty?
end

#gradient(*args) ⇒ Object 



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# File 'lib/paggio/css/definition.rb', line 34

def gradient(*args)
  Gradient.new(*args)
end

#opacity(value) ⇒ Object 



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# File 'lib/paggio/css/definition.rb', line 121

def opacity(value)
  style 'opacity', value
  style '-moz-opacity', value

  style '-ms-filter', %Q{"progid:DXImageTransform.Microsoft.Alpha(Opacity=#{(value * 100).to_i})"}
  style 'filter', "alpha(opacity=#{(value * 100).to_i})"
end