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Contents
module Lolita
module Configuration
class Columns
include Enumerable
include ObservedArray
include Lolita::Builder
attr_accessor :list
attr_reader :dbi
def initialize(list,dbi=nil)
@list=list
@dbi=dbi || list.dbi
@columns=[]
end
def each
@columns.each_with_index{|column,index|
if column.is_a?(Lolita::Configuration::Column)
yield column
else
raise "Any column must be Lolita::Configuratin::Column object instead of #{column.class}."
end
}
end
def generate!
@columns.clear
@dbi.fields.each_with_index{|field,index|
@columns[index]=Lolita::Configuration::Column.new(@dbi,field)
}
end
def add attributes={},&block
if block_given?
@columns<<build_element(&block)
else
@columns<<build_element(attributes)
end
self
end
private
def collection_variable
@columns
end
def build_element(column=nil,&block)
if column.is_a?(Lolita::Configuration::Column)
column
elsif column.is_a?(Proc)
Lolita::Configuration::Column.new(@dbi,&column)
elsif block_given?
Lolita::Configuration::Column.new(@dbi,&block)
elsif [Symbol,String,Hash].include?(column.class)
Lolita::Configuration::Column.new(@dbi,column)
else
raise ArgumentError.new("Column can not be defined with #{column.class}.")
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems