Class: DeadSimpleCMS::Section::Builder

Inherits:
Object
  • Object
show all
Defined in:
lib/dead_simple_cms/section/builder.rb

Overview

Public: A Builder class which provides a nice DSL to describe different sections of the site that a user wants to modify through a CMS.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(section, &block) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/dead_simple_cms/section/builder.rb', line 23

def initialize(section, &block)
  @section = section
  @group_hierarchy = []
  instance_eval(&block)
end

Instance Attribute Details

#group_hierarchy ⇒ Object

Returns the value of attribute group_hierarchy.



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# File 'lib/dead_simple_cms/section/builder.rb', line 7

def group_hierarchy
  @group_hierarchy
end

#section ⇒ Object (readonly)

Returns the value of attribute section.



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# File 'lib/dead_simple_cms/section/builder.rb', line 8

def section
  @section
end

Class Method Details

.define_attribute_builder_method(klass) ⇒ Object 



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# File 'lib/dead_simple_cms/section/builder.rb', line 12

def self.define_attribute_builder_method(klass)
  class_eval <<-RUBY, __FILE__, __LINE__ + 1
    def #{klass.builder_method_name}(identifier, options={})
      group_hierarchy = self.group_hierarchy.presence || [section.root_group] # fallback on the root group
      attribute = #{klass}.new(identifier, options.merge(:group_hierarchy => group_hierarchy, :section => section))
      group_hierarchy.last.add_attribute(attribute)
      section.add_attribute(attribute)
    end
  RUBY
end

Instance Method Details

#group(*args, &block) ⇒ Object 



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# File 'lib/dead_simple_cms/section/builder.rb', line 29

def group(*args, &block)
  options = args.extract_options!
  attribute_options_by_identifier = options.delete(:attribute_options) || {}

  identifier = args.first
  # If no identifier provided, first key, value pair of the hash is the identifier => group_configuration.
  identifier, group_configuration = options.shift unless identifier
  unless group_configuration.is_a?(DeadSimpleCMS::Group::Configuration)
    group_configuration = DeadSimpleCMS.group_configurations[group_configuration]
  end
  options.update(group_configuration.options) if group_configuration
  group = Group.new(identifier, options)

  nest_group(group) do
    if group_configuration
      display(group_configuration.presenter_class, &group_configuration.render_proc)
      group_configuration.attribute_arguments.each do |attribute_identifier, (attribute_type, attribute_options)|
        attribute_options = attribute_options.merge(attribute_options_by_identifier[attribute_identifier] || {})
        send(attribute_type, attribute_identifier, attribute_options)
      end
    end
    instance_eval(&block) if block_given?
  end
end