Class: Moodle2CC::CanvasCC::CalculatedQuestionWriter

Inherits:
QuestionWriter show all
Defined in:
lib/moodle2cc/canvas_cc/calculated_question_writer.rb

Class Method Summary collapse

Methods inherited from QuestionWriter

convert_fraction_to_score, register_writer_type, write_general_feedback, write_presentation, write_qti_metadata, write_question, write_question_item_xml, write_resprocessing, write_standard_answer_feedbacks

Class Method Details

.write_additional_nodes(item_node, question) ⇒ Object 



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# File 'lib/moodle2cc/canvas_cc/calculated_question_writer.rb', line 30

def self.write_additional_nodes(item_node, question)
  item_node.itemproc_extension do |extension_node|
    extension_node.calculated do |calculated_node|
      calculated_node.answer_tolerance question.tolerance

      formula_decimal_places = question.correct_answer_format.to_i == 1 ? question.correct_answer_length : 0
      calculated_node.formulas(:decimal_places => formula_decimal_places) do |formulas_node|
        formulas = question.answers.map { |a| a.answer_text.gsub(/[\{\}\s]/, '') }
        formulas.each do |formula|
          formulas_node.formula formula
        end
      end
      calculated_node.vars do |vars_node|
        vars = question.dataset_definitions.map do |ds_def|
          name = ds_def[:name]
          type, min, max, scale = ds_def[:options].split(':')
          {:name => name, :min => min, :max => max, :scale => scale}
        end

        vars.each do |var|
          vars_node.var(:name => var[:name], :scale => var[:scale]) do |var_node|
            var_node.min var[:min]
            var_node.max var[:max]
          end
        end
      end

      calculated_node.var_sets do |var_sets_node|
        question.var_sets.each do |var_set|
          ident = var_set[:vars].sort.map { |k,v| v.to_s.split('.').join }.flatten.join
          var_sets_node.var_set(:ident => ident) do |var_set_node|
            var_set[:vars].each do |k, v|
              var_set_node.var(v, :name => k)
            end
          end
        end
      end
    end
  end

end

.write_response_conditions(processing_node, question) ⇒ Object 



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# File 'lib/moodle2cc/canvas_cc/calculated_question_writer.rb', line 15

def self.write_response_conditions(processing_node, question)
  processing_node.respcondition(:title => 'correct') do |condition|
    condition.conditionvar do |var_node|
      var_node.other
    end
    condition.setvar('100', :varname => 'SCORE', :action => 'Set')
  end
  processing_node.respcondition(:title => 'incorrect') do |condition|
    condition.conditionvar do |var_node|
      var_node.other
    end
    condition.setvar('0', :varname => 'SCORE', :action => 'Set')
  end
end

.write_responses(presentation_node, question) ⇒ Object 



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# File 'lib/moodle2cc/canvas_cc/calculated_question_writer.rb', line 7

def self.write_responses(presentation_node, question)
  presentation_node.response_str(:rcardinality => 'Single', :ident => 'response1') do |response_node|
    response_node.render_fib(:fibtype => 'Decimal') do |render_node|
      render_node.response_label(:ident => 'answer1')
    end
  end
end