Class: Netzke::Communitypack::OneToManyExplorer

Inherits:
Basepack::BorderLayoutPanel
  • Object
show all
Defined in:
lib/netzke/communitypack/one_to_many_explorer.rb

Overview

2 grids - “container” and “collection” - bound with a one-to-many relationship. The collection model should implement belongs_to in respect to the container model.

Accepts the following config options:

  • :container_model - name of the container model, e.g. “User”

  • :collection_model - name of the collection model, e.g. “Issue” (belongs_to :user)

  • :container_config (optional) - a config hash passed to the container grid

  • :collection_config (optional) - a config hash passod to the collection grid

  • :association (optional) - the name of the association used in belongs_to macro. Defaults to the underscored name of the container model.

Instance Method Summary collapse

Instance Method Details

#configuration ⇒ Object 



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# File 'lib/netzke/communitypack/one_to_many_explorer.rb', line 22

def configuration
  super.tap do |c|

    # merge default container and collection config with the one provided by the user
    c[:container_config] = {
      :region => :west,
      :class_name => "Netzke::Basepack::GridPanel"
    }.merge(c[:container_config] || {})

    c[:collection_config] = {
      :class_name => "Netzke::Basepack::GridPanel"
    }.merge(c[:collection_config] || {})

    # set default width/height for regions
    c[:container_config][:width] ||= 300 if [:west, :east].include?(c[:container_config][:region].to_sym)
    c[:container_config][:height] ||= 200 if [:north, :south].include?(c[:container_config][:region].to_sym)

    # figure out collection_class from config or from the passed component
    container_class = c[:container_config][:model].try(:constantize) || c[:container_config][:class_name].constantize.new.data_class
    collection_class = c[:collection_config][:model].try(:constantize) || c[:collection_config][:class_name].constantize.new.data_class

    # use the shortcuts for models
    c[:container_config][:model] ||= c[:container_model] || container_class.name
    c[:collection_config][:model] ||= c[:collection_model] || collection_class.name

    # we need to get the association reflection in order to properly set the collection grid scope
    c[:association] ||= c[:container_config][:model].underscore.to_sym # the belongs_to association, e.g. "user"

    association = collection_class.reflect_on_association(c[:association])

    # if we have extra scopes received in the config, take them into account!
    passed_scope = c[:collection_config][:scope] || {}
    passed_strong_default_attrs = c[:collection_config][:strong_default_attrs] || {}

    c[:items] = [
      c[:container_config].merge(:item_id => 'container'),


      c[:collection_config].merge(
        :region => :center,
        :item_id => 'collection',
        :scope => {association.foreign_key.to_sym => component_session[:selected_container_record_id]}.merge(passed_scope),
        :strong_default_attrs => {association.foreign_key.to_sym => component_session[:selected_container_record_id]}.merge(passed_strong_default_attrs),
        :load_inline_data => false
      )
    ]
  end
end