Class: ODFReport::DataSource

Inherits:
Object
  • Object
show all
Defined in:
lib/odf-report/data_source.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts, &block) ⇒ DataSource

Returns a new instance of DataSource.



6
7
8
9
10
 
# File 'lib/odf-report/data_source.rb', line 6

def initialize(opts, &block)
  @value      = opts[:value]      || opts[:collection]
  @data_field = opts[:data_field] || opts[:collection_field] || opts[:name]
  @block      = block
end

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value.



4
5
6
 
# File 'lib/odf-report/data_source.rb', line 4

def value
  @value
end

Instance Method Details

#each(&block) ⇒ Object 



16
17
18
19
 
# File 'lib/odf-report/data_source.rb', line 16

def each(&block)
  return unless @value
  @value.each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


21
22
23
 
# File 'lib/odf-report/data_source.rb', line 21

def empty?
  @value.nil? || @value.empty?
end

#set_source(record) ⇒ Object 



12
13
14
 
# File 'lib/odf-report/data_source.rb', line 12

def set_source(record)
  @value = extract_value_from_item(record)
end