Module: ActiveScaffold::Core::ClassMethods

Defined in:
lib/active_scaffold/core.rb

Defined Under Namespace

Modules: Prefixes

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#active_scaffold_config_block ⇒ Object (readonly)

Returns the value of attribute active_scaffold_config_block.



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# File 'lib/active_scaffold/core.rb', line 155

def active_scaffold_config_block
  @active_scaffold_config_block
end

Instance Method Details

#_add_sti_create_links ⇒ Object

To be called after include action modules



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# File 'lib/active_scaffold/core.rb', line 75

def _add_sti_create_links
  new_action_link = active_scaffold_config.action_links.collection['new']
  return if new_action_link.nil? || active_scaffold_config.sti_children.empty?
  active_scaffold_config.action_links.collection.delete('new')
  active_scaffold_config.sti_children.each do |child|
    new_sti_link = Marshal.load(Marshal.dump(new_action_link)) # deep clone
    new_sti_link.label = as_(:create_model, :model => child.to_s.camelize.constantize.model_name.human)
    new_sti_link.parameters = {:parent_sti => controller_path}
    new_sti_link.controller = proc { active_scaffold_controller_for(child.to_s.camelize.constantize).controller_path }
    active_scaffold_config.action_links.collection.create.add(new_sti_link)
  end
end

#active_scaffold(model_id = nil, &block) ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 16

def active_scaffold(model_id = nil, &block)
  extend Prefixes
  # initialize bridges here
  ActiveScaffold::Bridges.run_all

  # converts Foo::BarController to 'bar' and FooBarsController to 'foo_bar' and AddressController to 'address'
  model_id = to_s.split('::').last.sub(/Controller$/, '').pluralize.singularize.underscore unless model_id

  # run the configuration
  @active_scaffold_config = ActiveScaffold::Config::Core.new(model_id)
  @active_scaffold_config_block = block
  links_for_associations

  active_scaffold_superclasses_blocks.each { |superblock| active_scaffold_config.configure(&superblock) }
  active_scaffold_config.sti_children = nil # reset sti_children if set in parent block
  active_scaffold_config.configure(&block) if block_given?
  active_scaffold_config._configure_sti unless active_scaffold_config.sti_children.nil?
  active_scaffold_config._load_action_columns

  # defines the attribute read methods on the model, so record.send() doesn't find protected/private methods instead
  klass = active_scaffold_config.model
  # Rails 4.0.4 has removed attribute_methods_generated,
  # and made define_attribute_methods threadsave to call multiple times.
  # Check for that here.
  if (Rails::VERSION::MAJOR == 4 && !klass.respond_to?(:attribute_methods_generated)) ||
     !klass.attribute_methods_generated?
    klass.define_attribute_methods
  end
  # include the rest of the code into the controller: the action core and the included actions
  module_eval do
    unless self < ActiveScaffold::Actions::Core
      include ActiveScaffold::Finder
      include ActiveScaffold::Constraints
      include ActiveScaffold::AttributeParams
      include ActiveScaffold::Actions::Core
    end
    active_scaffold_config.actions.each do |mod|
      include "ActiveScaffold::Actions::#{mod.to_s.camelize}".constantize
      mod_conf = active_scaffold_config.send(mod)
      next unless mod_conf.respond_to?(:link) && (link = mod_conf.link)

      # sneak the action links from the actions into the main set
      if link.is_a? Array
        link.each { |current| active_scaffold_config.action_links.add_to_group(current, active_scaffold_config.send(mod).action_group) }
      elsif link.is_a? ActiveScaffold::DataStructures::ActionLink
        active_scaffold_config.action_links.add_to_group(link, active_scaffold_config.send(mod).action_group)
      end
    end
  end
  _add_sti_create_links if active_scaffold_config.add_sti_create_links?
end

#active_scaffold_config ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 147

def active_scaffold_config
  if @active_scaffold_config.nil?
    superclass.active_scaffold_config if superclass.respond_to? :active_scaffold_config
  else
    @active_scaffold_config
  end
end

#active_scaffold_config_for(klass) ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 167

def active_scaffold_config_for(klass)
  controller = active_scaffold_controller_for(klass)
rescue ActiveScaffold::ControllerNotFound
  config = ActiveScaffold::Config::Core.new(klass)
  config._load_action_columns
  config
else
  controller.active_scaffold_config
end

#active_scaffold_controller_for(klass) ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 177

def active_scaffold_controller_for(klass)
  return self if uses_active_scaffold? && klass == active_scaffold_config.model
  ActiveScaffold::Core.active_scaffold_controller_for(klass, to_s.deconstantize + '::')
end

#active_scaffold_controller_for_column(column, options = {}) ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 100

def active_scaffold_controller_for_column(column, options = {})
  if column.polymorphic_association?
    :polymorph
  elsif options.include?(:controller)
    "#{options[:controller].to_s.camelize}Controller".constantize
  else
    active_scaffold_controller_for(column.association.klass)
  end
rescue ActiveScaffold::ControllerNotFound
  nil
end

#active_scaffold_superclasses_blocks ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 157

def active_scaffold_superclasses_blocks
  blocks = []
  klass = superclass
  while klass.respond_to? :active_scaffold_superclasses_blocks
    blocks << klass.active_scaffold_config_block
    klass = klass.superclass
  end
  blocks.compact.reverse
end

#add_active_scaffold_path(path) ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 137

def add_active_scaffold_path(path)
  as_path = File.realpath File.join(ActiveScaffold::Config::Core.plugin_directory, 'app', 'views')
  index = view_paths.find_index { |p| p.to_s == as_path }
  if index
    self.view_paths = view_paths[0..index - 1] + Array(path) + view_paths[index..-1]
  else
    append_view_path path
  end
end

#link_for_association(column, options = {}) ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 112

def link_for_association(column, options = {})
  return if (controller = active_scaffold_controller_for_column(column, options)).nil?
  options.reverse_merge! :position => :after, :type => :member, :column => column,
                         :controller => (controller == :polymorph ? controller : "/#{controller.controller_path}")
  options[:parameters] ||= {}
  options[:parameters].reverse_merge! :association => column.association.name
  if column.plural_association?
    ActiveScaffold::DataStructures::ActionLink.new('index', options.merge(:refresh_on_close => true))
  else
    actions = controller.active_scaffold_config.actions unless controller == :polymorph
    actions ||= [:create, :update, :show]
    column.actions_for_association_links.delete :new unless actions.include? :create
    column.actions_for_association_links.delete :edit unless actions.include? :update
    column.actions_for_association_links.delete :show unless actions.include? :show
    ActiveScaffold::DataStructures::ActionLink.new(nil, options.merge(:html_options => {:class => column.name}))
  end
end

#link_for_association_as_scope(scope, options = {}) ⇒ Object 



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# File 'lib/active_scaffold/core.rb', line 130

def link_for_association_as_scope(scope, options = {})
  options.reverse_merge! :label => scope, :position => :after, :type => :member, :controller => controller_path
  options[:parameters] ||= {}
  options[:parameters].reverse_merge! :named_scope => scope
  ActiveScaffold::DataStructures::ActionLink.new('index', options)
end

#links_for_associations ⇒ Object

Create the automatic column links. Note that this has to happen when configuration is done, because otherwise the Nested module could be disabled. Actually, it could still be disabled later, couldn’t it?



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# File 'lib/active_scaffold/core.rb', line 89

def links_for_associations
  return unless active_scaffold_config.actions.include?(:list) && active_scaffold_config.actions.include?(:nested)
  active_scaffold_config.columns.each do |column|
    next unless column.link.nil? && column.autolink?
    # lazy load of action_link, cause it was really slowing down app in dev mode
    # and might lead to trouble cause of cyclic constantization of controllers
    # and might be unnecessary cause it is done before columns are configured
    column.set_link(proc { |col| link_for_association(col) })
  end
end

#uses_active_scaffold? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/core.rb', line 182

def uses_active_scaffold?
  !active_scaffold_config.nil?
end