Class: Fiona7::AttributeWriters::Factory

Inherits:
Object
  • Object
show all
Defined in:
lib/fiona7/attribute_writers/factory.rb

Instance Method Summary collapse

Constructor Details

#initialize(obj, obj_class, klass, widget_map) ⇒ Factory

Returns a new instance of Factory.



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# File 'lib/fiona7/attribute_writers/factory.rb', line 22

def initialize(obj, obj_class, klass, widget_map)
  self.obj        = obj
  self.obj_class  = obj_class
  self.klass      = klass
  self.widget_map = widget_map

  self.type_def   = Fiona7::TypeRegister.instance.write(self.obj_class) || raise(Fiona7::TypeSystemError.new("Obj class definition not found for #{self.obj_class}"))
end

Instance Method Details

#call(attribute) ⇒ Object 



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# File 'lib/fiona7/attribute_writers/factory.rb', line 31

def call(attribute)
  attr_def = self.type_def.find_attribute(attribute) ||
    raise(Fiona7::TypeSystemError.new("Attribute #{attribute} not found in #{self.obj_class}"))

  virtual  = attr_def.type.to_sym
  real     = attr_def.real_type.to_sym

  worker = case [virtual, real]
           when [:linklist, :linklist]
             Fiona7::AttributeWriters::LinklistAsLinklist
           when [:link, :linklist]
             Fiona7::AttributeWriters::LinkAsLinklist
           when [:reference, :linklist]
             Fiona7::AttributeWriters::ReferenceAsLinklist
           when [:reference, :string], [:reference, :text]
             Fiona7::AttributeWriters::ReferenceAsString
           when [:referencelist, :linklist]
             Fiona7::AttributeWriters::ReferencelistAsLinklist
           when [:referencelist, :text], [:referencelist, :string]
             Fiona7::AttributeWriters::ReferencelistAsText
           when [:widgetlist, :linklist]
             Fiona7::AttributeWriters::WidgetlistAsLinklist
           when [:multienum, :text], [:multienum, :string]
             Fiona7::AttributeWriters::MultienumAsText
           when [:multienum, :multienum]
             Fiona7::AttributeWriters::MultienumAsMultienum
           when [:number, :string], [:number, :text]
             Fiona7::AttributeWriters::NumberAsString
           when [:integer, :string], [:integer, :text]
             Fiona7::AttributeWriters::NumberAsString
           when [:float, :string], [:float, :text]
             Fiona7::AttributeWriters::NumberAsString
           when [:html, :html]
             Fiona7::AttributeWriters::HtmlAsHtml
           when [:binary, :linklist]
             Fiona7::AttributeWriters::BinaryAsLinklist
           when [:binary, :binary]
             Fiona7::AttributeWriters::BinaryAsBinary
           when [:stringlist, :text], [:stringlist, :string]
             Fiona7::AttributeWriters::StringlistAsText
           when [:stringlist, :multienum]
             Fiona7::AttributeWriters::Simple
           when [:stringlist, :stringlist]
             # NOTE: this is practically only used for "channels"
             Fiona7::AttributeWriters::Simple
           else
             case virtual
             when :text, :string, :enum, :markdown
               Fiona7::AttributeWriters::Simple
             when :date
               Fiona7::AttributeWriters::DateAsDate
             else
               raise(Fiona7::TypeSystemError.new("Unable to write #{attribute} in #{self.obj_class} with typing #{virtual}:#{real}"))
             end
           end

  worker.new(self.obj, attr_def.real_name.to_s, self.obj_class, self.klass, self.widget_map)
end