Module: Annotations::Acts::AnnotationSource::InstanceMethods

Defined in:
lib/annotations/acts_as_annotation_source.rb

Overview

This module contains instance methods

Instance Method Summary collapse

Instance Method Details

#annotation_source_name ⇒ Object 



75
76
77
78
79
80
 
# File 'lib/annotations/acts_as_annotation_source.rb', line 75

def annotation_source_name
  %w{ preferred_name display_name title name }.each do |w|
    return eval("self.#{w}") if self.respond_to?(w)
  end
  return "#{self.class.name}_#{self.id}"
end

#annotations_by_hash(style = :simple) ⇒ Object

When used with the default style (:simple), returns a Hash of the annotations_by values grouped by attribute name.

Example output: 

"Summary" => "Something interesting happens",
"length" => 345,
"Title" => "Harry Potter and the Exploding Men's Locker Room",
"Tag" => [ "amusing rhetoric", "wizadry" ],
"rating" => "4/5"




93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
 
# File 'lib/annotations/acts_as_annotation_source.rb', line 93

def annotations_by_hash(style=:simple)
  h = { }

  unless self.annotations_by.blank?
    self.annotations_by.each do |a|
      if h.has_key?(a.attribute_name)
        case h[a.attribute_name]
          when Array
            h[a.attribute_name] << a.value_content
          else
            h[a.attribute_name] = [ h[a.attribute_name], a.value_content ]
        end
      else
        h[a.attribute_name] = a.value_content
      end
    end
  end

  return h
end

#latest_annotations(limit = nil, include_values = false) ⇒ Object

Helper method to get latest annotations



62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/annotations/acts_as_annotation_source.rb', line 62

def latest_annotations(limit=nil, include_values=false)
  options = {
    :conditions => { :source_type =>  self.class.name, 
                     :source_id => id },
    :order => "updated_at DESC",
    :limit => limit
  }
  
  options[:include] = [ :value ] if include_values
  
  Annotation.find(:all, options)
end