Class: Izzle::HasEasy::Configurator
- Inherits:
-
Object
- Object
- Izzle::HasEasy::Configurator
- Defined in:
- lib/has_easy/configurator.rb
Instance Attribute Summary collapse
-
#aliases ⇒ Object
Returns the value of attribute aliases.
-
#definitions ⇒ Object
Returns the value of attribute definitions.
Instance Method Summary collapse
- #define(name, options = {}) ⇒ Object
- #do_metaprogramming_magic_aka_define_methods ⇒ Object
-
#initialize(klass, name, options) ⇒ Configurator
constructor
A new instance of Configurator.
Constructor Details
#initialize(klass, name, options) ⇒ Configurator
Returns a new instance of Configurator.
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# File 'lib/has_easy/configurator.rb', line 7 def initialize(klass, name, ) @klass = klass @name = name @definitions = {} @aliases = [] if .has_key?(:aliases) @aliases = [:aliases] elsif .has_key?(:alias) @aliases = [[:alias]] end @aliases = @aliases.collect{ |a| a.to_s } end |
Instance Attribute Details
#aliases ⇒ Object
Returns the value of attribute aliases.
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# File 'lib/has_easy/configurator.rb', line 5 def aliases @aliases end |
#definitions ⇒ Object
Returns the value of attribute definitions.
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# File 'lib/has_easy/configurator.rb', line 5 def definitions @definitions end |
Instance Method Details
#define(name, options = {}) ⇒ Object
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# File 'lib/has_easy/configurator.rb', line 21 def define(name, = {}) name = Helpers.normalize(name) raise ArgumentError, "class #{@klass} has_easy('#{@name}') already defines '#{name}'" if @definitions.has_key?(name) @definitions[name] = Definition.new(name, ) end |
#do_metaprogramming_magic_aka_define_methods ⇒ Object
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# File 'lib/has_easy/configurator.rb', line 27 def easy_accessors, object_accessors = [], [] @definitions.values.each do |definition| easy_accessors << <<-end_eval def #{@name}_#{definition.name}=(value) set_has_easy_thing('#{@name}', '#{definition.name}', value, true) end def #{@name}_#{definition.name} get_has_easy_thing('#{@name}', '#{definition.name}', true) end def #{@name}_#{definition.name}? !!get_has_easy_thing('#{@name}', '#{definition.name}', true) end end_eval object_accessors << <<-end_eval def #{definition.name}=(value) proxy_association.owner.set_has_easy_thing('#{@name}', '#{definition.name}', value) end def #{definition.name} proxy_association.owner.get_has_easy_thing('#{@name}', '#{definition.name}') end def #{definition.name}? !!proxy_association.owner.get_has_easy_thing('#{@name}', '#{definition.name}') end end_eval end method_aliases = @aliases.inject([]) do |memo, alias_name| memo << "alias_method :#{alias_name}, :#{@name}" @definitions.values.each do |definition| memo << "alias_method :#{alias_name}_#{definition.name}=, :#{@name}_#{definition.name}=" memo << "alias_method :#{alias_name}_#{definition.name}, :#{@name}_#{definition.name}" memo << "alias_method :#{alias_name}_#{definition.name}?, :#{@name}_#{definition.name}?" end memo end @klass.class_eval <<-end_eval # first define the has many relationship has_many :#{@name}, :class_name => 'HasEasyThing', :as => :model, :extend => AssocationExtension, :dependent => :destroy do #{object_accessors.join("\n")} end # now define the easy accessors #{easy_accessors.join("\n")} # define the aliases #{method_aliases.join("\n")} end_eval end |