Class: Qe::ChoiceField

Inherits:
Question show all
Defined in:
app/models/qe/choice_field.rb

Instance Attribute Summary

Attributes inherited from Question

#answers

Instance Method Summary collapse

Methods inherited from Question

#has_response?, #required?, #response, #responses, #save_file, #save_response, #set_response

Methods inherited from Element

#all_elements, #duplicate, #has_response?, max_label_length, #position, #question?, #required?, #reuseable?, #set_position

Instance Method Details

#choices ⇒ Object

Returns choices stored one per line in content field



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# File 'app/models/qe/choice_field.rb', line 15

def choices
  retVal = Array.new 
  if ['yes-no', 'acceptance'].include?(self.style)
    return [["Yes",1],["No",0]]
  elsif !source.blank?
    begin
      doc = XML::Document.file(source)
      options = doc.find(text_xpath).collect { |n| n.content }
      values = doc.find(value_xpath).collect { |n| n.content }
      retVal = [options, values].transpose
    rescue NameError
      doc = REXML::Document.new Net::HTTP.get_response(URI.parse(source)).body
      retVal = [ doc.elements.collect(text_xpath){|c|c.text}, doc.elements.collect(value_xpath){|c|c.text} ].transpose.sort
    end
  elsif !content.nil?
    content.split("\n").each do |opt|
      pair = opt.strip.split(";").reverse!
      pair[1] ||= pair[0]
      retVal << pair
    end
  end
  return retVal
end

#default_label? ⇒ Boolean

element view provides the element label?

Returns:

  • (Boolean) 


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# File 'app/models/qe/choice_field.rb', line 70

def default_label?
  if self.style == 'acceptance' || self.hide_option_labels?
    false   # template provides its own label
  else
    true
  end
end

#display_response(app = nil) ⇒ Object 



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# File 'app/models/qe/choice_field.rb', line 95

def display_response(app=nil)
  r = responses(app)
  r.reject! {|a| a.class == Answer && a.value.blank?}
  if r.blank?
    "" 
  elsif self.style == 'yes-no'
    ans = r.first
    if ans.class == Answer
      is_true(ans.value) ? "Yes" : "No"
    else
      is_true(ans) ? "Yes" : "No"
    end
  elsif self.style == 'acceptance'
    "Accepted"  # if not blank, it's accepted
  else
    r.compact.join(", ")
  end
end

#has_answer?(choice, app) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/qe/choice_field.rb', line 39

def has_answer?(choice, app)
  responses(app).each do |r|   # loop through Answers
     # legacy field type choices may be int or tinyint 
     # raise r.inspect + ' - ' + choice.inspect if id == 1137 && r != 1
     # r = r.to_s
     return true if  case true
                     when is_true(r) then is_true(choice)
                     when is_false(r) then is_false(choice)
                     else
                       r.to_s == choice.to_s
                     end
   end
   false
end

#ptemplate ⇒ Object

which view to render this element?



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# File 'app/models/qe/choice_field.rb', line 55

def ptemplate
   case self.style
                   when 'qe/checkbox'    then 'qe/checkbox_field'
                   when 'qe/drop-down'   then 'qe/drop_down_field'
                   when 'qe/radio'       then 'qe/radio_button_field'
                   when 'qe/yes-no'      then 'qe/yes_no'
                   when 'qe/rating'      then 'qe/rating'
                   when 'qe/acceptance'  then 'qe/acceptance'
                   when 'qe/country'     then 'qe/country'
                   else 'qe/drop_down_field'

   end
end

#validation_class(answer_sheet) ⇒ Object

css class names for javascript-based validation



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# File 'app/models/qe/choice_field.rb', line 79

def validation_class(answer_sheet)
  if self.required?(answer_sheet)
    if self.style == 'drop-down'
      'validate-selection required' 
    elsif self.style == 'rating'
      'validate-rating required'
    elsif self.style == 'acceptance'
      'required'
    else
      'validate-one-required required'
    end
  else
    ''
  end
end