Sha256: bb7f0bf3d933721de1a27d957e0c80134fa9c654d121dc51b89adbdc7dbbae35
Contents?: true
Size: 1.72 KB
Versions: 16
Compression:
Stored size: 1.72 KB
Contents
module Spider
class WidgetAttributes < Hash
def initialize(widget)
@widget = widget
@attributes = widget.class.attributes
@attributes.each do |k, params|
if params[:default]
if (params[:default].is_a?(Proc))
self[k] = params[:default].call
else
self[k] = params[:default]
end
end
end
end
def []=(k, v)
params = @attributes[k]
raise ArgumentError, "#{k} is not an allowed attribute for widget #{@widget}" unless params
raise ArgumentError, "#{k} is not in the correct format" if params[:format] && v !=~ params[:format]
if (params[:type])
case params[:type].name
when 'String'
v = v.to_s
when 'Symbol'
v = v.to_sym if v
when 'TrueClass', 'FalseClass', 'Spider::DataTypes::Bool'
v = (v.to_s == 'false' || v.to_s.empty?) ? false : true
when 'Fixnum'
v = v.to_i
end
end
v = params[:process].call(v) if params[:process] && v
@widget.instance_variable_set("@#{k}", v) if params[:set_var]
super(k, v)
end
def [](k)
return nil unless @attributes[k]
params = @attributes[k]
v = super
if (!v)
return @widget.instance_variable_get("@#{k}") if params[:instance_attr]
return nil
end
return v
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems