Contents

module Puffer
  class Field

    attr_accessor :resource, :field_name, :options, :fields

    def initialize field_name, *resource_and_options, &block
      @field_name = field_name.to_s
      @options = resource_and_options.extract_options!
      @resource = resource_and_options.first
      @fields = Puffer::FieldSet.new
      block.bind(self).call if block
    end

    def field name, options = {}, &block
      @fields.field(name, swallow_nil{reflection.klass}, options, &block)
    end

    def native?
      model == resource
    end

    def name
      @name ||= field_name.split('.').last
    end

    def path
      @path ||= field_name.split('.')[0..-2].join('.')
    end

    def human
      @human ||= model && model.human_attribute_name(name)
    end

    def order
      @order ||= options[:order] || query_column
    end

    def type
      @type ||= options[:type] ? options[:type].to_sym : (Puffer::Customs.type_for(self) || (column ? column.type : :string))
    end

    def to_s
      field_name
    end

    def reflection
      @reflection ||= model && model.reflect_on_association(name.to_sym)
    end

    def collection?
      [:has_many, :has_and_belongs_to_many].include? type
    end

    def input_options
      options[:html] || {}
    end

    def input builder
      Puffer::Customs.input_for(self).render builder, self
    end

    def model
      @model ||= begin
        associations = field_name.split('.')
        associations.pop
        temp = resource
        while temp.reflect_on_association(association = swallow_nil{associations.shift.to_sym}) do
          temp = temp.reflect_on_association(association).klass
        end
        temp
      end if resource
    end

    def association_columns
      @association_columns ||= fields
    end

    def column
      @column ||= model && model.columns_hash[name]
    end

    def query_column
      "#{model.table_name}.#{name}" if column
    end

  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
puffer-0.0.23	lib/puffer/field.rb
puffer-0.0.22	lib/puffer/field.rb
puffer-0.0.21	lib/puffer/field.rb