module ActiveScaffold::Actions::Nested
Public Class Methods
included(base)
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Calls superclass method
ActiveScaffold::Actions::Nested::ChildMethods.included
# File lib/active_scaffold/actions/nested.rb, line 4 def self.included(base) super base.module_eval do before_filter :set_nested before_filter :configure_nested include ActiveScaffold::Actions::Nested::ChildMethods if active_scaffold_config.model.reflect_on_all_associations.any? { |a| a.macro == :has_and_belongs_to_many } end base.before_filter :include_habtm_actions base.helper_method :nested base.helper_method :nested_parent_record end
Protected Instance Methods
beginning_of_chain()
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# File lib/active_scaffold/actions/nested.rb, line 79 def beginning_of_chain if nested? && nested.association if nested.association.collection? nested_parent_record.send(nested.association.name) elsif nested.association.options[:through] # has_one :through active_scaffold_config.model.where(active_scaffold_config.model.primary_key => nested_parent_record.send(nested.association.name).try(:id)) elsif nested.child_association.nil? # without child_association is not possible to add conditions active_scaffold_config.model elsif nested.child_association.belongs_to? active_scaffold_config.model.where(nested.child_association.foreign_key => nested_parent_record.send(nested.association.association_primary_key)) elsif nested.association.belongs_to? chain = active_scaffold_config.model.joins(nested.child_association.name) table_name = if active_scaffold_config.model == nested.association.active_record dependency = ActiveRecord::Associations::JoinDependency.new(chain.klass, chain.joins_values, []) join_associations = Rails.version >= '4.1.0' ? dependency.join_root.children : dependency.join_associations join_associations.find {|join| join.try(:reflection).try(:name) == nested.child_association.name}.try(:table).try(:right) end table_name ||= nested.association.active_record.table_name chain.where(table_name => {nested.association.active_record.primary_key => nested_parent_record}).readonly(false) end elsif nested? && nested.scope nested_parent_record.send(nested.scope) else active_scaffold_config.model end end
configure_nested()
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# File lib/active_scaffold/actions/nested.rb, line 33 def configure_nested return unless nested? active_scaffold_config.list.user.label = nested_label active_scaffold_config.list.user.nested_default_sorting = nested_default_sorting if nested.sorted? && !active_scaffold_config.nested.ignore_order_from_association end
create_association_with_parent(record)
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# File lib/active_scaffold/actions/nested.rb, line 111 def create_association_with_parent(record) # has_many is done by beginning_of_chain and rails return unless (nested.belongs_to? || nested.has_one? || nested.habtm?) && nested.child_association return if (parent = nested_parent_record).nil? case nested.child_association.macro when :has_one, :belongs_to record.send("#{nested.child_association.name}=", parent) when :has_many, :has_and_belongs_to_many record.send("#{nested.child_association.name}").send(:<<, parent) end end
include_habtm_actions()
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# File lib/active_scaffold/actions/nested.rb, line 55 def include_habtm_actions return unless nested? if nested.habtm? # Production mode is ok with adding a link everytime the scaffold is nested - we are not ok with that. active_scaffold_config.action_links.add('new_existing', :label => :add_existing, :type => :collection, :security_method => :add_existing_authorized?) unless active_scaffold_config.action_links['new_existing'] if active_scaffold_config.nested.shallow_delete active_scaffold_config.action_links.add('destroy_existing', :label => :remove, :type => :member, :confirm => :are_you_sure_to_delete, :method => :delete, :position => false, :security_method => :delete_existing_authorized?) unless active_scaffold_config.action_links['destroy_existing'] if active_scaffold_config.actions.include?(:delete) active_scaffold_config.action_links.delete('delete') if active_scaffold_config.action_links['delete'] end end else # Production mode is caching this link into a non nested scaffold active_scaffold_config.action_links.delete('new_existing') if active_scaffold_config.action_links['new_existing'] if active_scaffold_config.nested.shallow_delete active_scaffold_config.action_links.delete('destroy_existing') if active_scaffold_config.action_links['destroy_existing'] if active_scaffold_config.actions.include?(:delete) active_scaffold_config.action_links.add(ActiveScaffold::Config::Delete.link) unless active_scaffold_config.action_links['delete'] end end end end
nested()
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# File lib/active_scaffold/actions/nested.rb, line 18 def nested set_nested unless defined? @nested @nested end
nested?()
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# File lib/active_scaffold/actions/nested.rb, line 23 def nested? !nested.nil? end
nested_default_sorting()
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# File lib/active_scaffold/actions/nested.rb, line 47 def nested_default_sorting {:table_name => active_scaffold_config.model.model_name, :default_sorting => nested.default_sorting} end
nested_label()
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# File lib/active_scaffold/actions/nested.rb, line 39 def nested_label if nested.belongs_to? as_(:nested_of_model, :nested_model => active_scaffold_config.model.model_name.human, :parent_model => ERB::Util.h(nested_parent_record.to_label)) else as_(:nested_for_model, :nested_model => active_scaffold_config.list.label, :parent_model => ERB::Util.h(nested_parent_record.to_label)) end end
nested_parent_record(crud = :read)
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# File lib/active_scaffold/actions/nested.rb, line 107 def nested_parent_record(crud = :read) @nested_parent_record ||= find_if_allowed(nested.parent_id, crud, nested.parent_model) end
set_nested()
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# File lib/active_scaffold/actions/nested.rb, line 27 def set_nested return unless params[:parent_scaffold] && (params[:association] || params[:named_scope]) @nested = ActiveScaffold::DataStructures::NestedInfo.get(active_scaffold_config.model, params) register_constraints_with_action_columns(@nested.constrained_fields) unless @nested.nil? end
Private Instance Methods
nested_formats()
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# File lib/active_scaffold/actions/nested.rb, line 125 def nested_formats (default_formats + active_scaffold_config.formats + active_scaffold_config.nested.formats).uniq end