Module: Magnetic::Field::DSL

Included in:

ActiveRecord::Base, Interface

Defined in:

lib/magnetic/field.rb

Class Method Summary

• .included(other) ⇒ Object

Instance Method Summary

• #field(*argv, &block) ⇒ Object
• #field_for(name) ⇒ Object
• #fieldset ⇒ Object

Class Method Details

.included(other) ⇒ Object

# File 'lib/magnetic/field.rb', line 205

def self.included other
  super
ensure
  other.extend self
end

Instance Method Details

#field(*argv, &block) ⇒ Object

Raises:

• (ArgumentError)

# File 'lib/magnetic/field.rb', line 163

def field *argv, &block
  name = argv.delete_first{|arg| String === arg or Symbol === arg }
  base = argv.delete_first{|arg| Field::Base.class === arg}
  configuring = argv.delete_first{|arg| ['configure', :configure, 'configuring', :configuring].include? arg}
  options = argv.delete_first{|arg| Hash === arg}

  name ||= base.name
  raise ArgumentError, 'nameless field!' unless name
  name = name.to_s

  if options.nil? and base.nil? and block.nil?
    field = field_for name
    field.clone unless field.nil? 
  else
    options ||= {}
    options.to_options!
    field =
      if configuring
        field_for name
      else
        base ||= Field::Base
        field = base.clone
        field.name = name
        field.owner = self 
        field
      end

    field.configure options, &block

#p [ (field.owner.name rescue field.owner.class.name), field.name, (configuring ? :configuring : false), caller.first ]

    unless configuring
      raise ArgumentError, "duplicate field '#{ name }' in #{ fieldset[name].inspect }" if fieldset.has_key?(field.name)
      fieldset[field.name] = field
    end

    field
  end
end

#field_for(name) ⇒ Object

# File 'lib/magnetic/field.rb', line 202

def field_for name
  fieldset[name.to_s]
end

#fieldset ⇒ Object

# File 'lib/magnetic/field.rb', line 160

def fieldset
  @fieldset ||= Field::Set[]
end