Sha256: e4bd6dab410597e95ff13577443d9ec3ddb87c99f11a0d0b9d4ecab9e9ca0f56
Contents?: true
Size: 980 Bytes
Versions: 12
Compression:
Stored size: 980 Bytes
Contents
# frozen_string_literal: true
module Eac
module DataTableHelper
class Column
EMPTY_VALUE = '-'
attr_reader :label
def initialize(label, path, block)
@label = label
@path = path.to_s.split('.')
@block = block
end
def record_value(r)
v = Node.new(r, @path).value
if v.present?
@block ? @block.call(v) : v
else
EMPTY_VALUE
end
end
private
def node_value(node, subpath)
return node if subpath.empty?
end
class Node
def initialize(node, path)
@node = node
@path = path
end
def value
return @node if @node.nil? || @path.empty?
subpath = @path.dup
n = subpath.shift
return Node.new(@node.send(n), subpath).value if @node.respond_to?(n)
raise "Instance of #{@node.class} does not respond to #{n}"
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems