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Versions: 7
Compression:
Stored size: 1.63 KB
Contents
module ActiveAssets
module ActiveSprites
class SpritePiece
class ValidationError < StandardError
attr_reader :sprite_piece, :missing_fields
def initialize(sprite_piece, missing_fields)
@sprite, @missing_fields = sprite_piece, missing_fields
super("#{"Your sprite piece could not be created. " if @sprite_piece.nil?} Your sprite piece is invalid. It is missing the following fields: #{@missing_fields.join(', ')}")
end
end
class Mapping
attr_reader :path, :css_selector
def initialize(path, css_selector)
raise ValidationError.new(nil, [:path]) if path.blank?
@path, @css_selector = path, css_selector
end
end
GEOMETRY_PROPS = [:x, :y, :width, :height]
attr_reader(*GEOMETRY_PROPS)
attr_accessor :details
delegate :path, :css_selector, :to => :mapping
def configure(mapping, options = {}, &blk)
@mapping = mapping
options.each {|k,v| send(k, v)}
instance_eval(&blk) if block_given?
self
end
def to_s
return '' if details.nil?
<<-CSS
#{css_selector}
{
width:#{width || details.width};
height:#{height || details.height};
background:url('#{details.sprite_path}') no-repeat #{x || details.x} #{y || details.y};
display:block;
}
CSS
end
GEOMETRY_PROPS.each do |prop|
eval <<-METH
def #{prop}(*args)
#{prop}, *_ = args
@#{prop} = #{prop} if #{prop}
@#{prop}
end
METH
end
private
def mapping
@mapping
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems