R6 Class representing a LimeSurvey group

Details

A group is mostly just a container for questions.

Public fields

group_name: The group name / title / label
description: The group description
grelevance: The relevance equation for the group
group_order: The group order (in the survey)
randomization_group: The randomization group (that the group is a part of)
language: The language of the group; or primary language, if there are multiple languages.
additional_languages: Any additional languages for the title and description elements.
id: The identifier of the group (a unique number in a survey)
sid: The identifier of the survey that this group belongs to
otherOptions: Any additional options, stored as a named list by assigning as.list(...).
questions: The questions in this group

Methods

Method `new()`

Create a new group object. Most of this text comes directly from the TSV manual page at https://www.limesurvey.org/manual/Tab_Separated_Value_survey_structure, so please see that page for more details.

Usage

Group$new(
  group_name = "",
  description = "",
  grelevance = 1,
  group_order = 1,
  randomization_group = NULL,
  language = "en",
  additional_languages = "",
  id = NULL,
  sid = NULL,
  new_id_fun = NULL,
  uqid = NULL,
  repo_url = "https://operationalizations.com/questionnaires/json",
  ...
)

Arguments

group_name: The title of the group (if there are multiple languages, a named vector where every element is the title in another language and every element's name is the language code).
description: The description of the group (if there are multiple languages, a named vector where every element is the title in another language and every element's name is the language code).
grelevance: The group's relevance equation
group_order: The group order (if the group is part of a survey)
randomization_group: The group's randomization group
language: The group's only or primary language
additional_languages: Any additional languages
id: Optionally, the id of the group.
sid: Optionally, the identifier of the survey that this group belongs to.
new_id_fun: A function to set identifiers (for XML exports, which mirrors MySQL tables and so needs identifiers). By default, new question objects receive this function from the group containing them; and groups receive it from the survey containing them. This ensures that identifiers are always unique in a survey (despite question objects not being able to 'see' anything in the group containing them, and group objects not being able to 'see' anything in the survey containing them; because they 'received' this function from the parent object, and it 'bubbles down' through groups to the questions, those functions still get and set a private identifier property in the 'top-most' object).
uqid: A Unique Questionnaire Identifier (UQID) to import a questionnaire and populate the group with it.
repo_url: The URL to a repo serving the questionnaire with the UQID in JSON.
...: Any additional options, stored as a named list in the otherOptions property by assigning as.list(...).

Returns

A new Group object.

Method `add_question()`

Add a question to a group object.

Usage

Group$add_question(
  code,
  type = NULL,
  lsType = NULL,
  question_order = NULL,
  ...
)

Arguments

code: The question code.
type: The question type.
lsType: The question type, as LimeSurvey question type.
question_order: The question order; automatically filled if left empty; starts counting at 0.
...: Additional arguments are used to create the Question using Question$new.

Returns

Invisibly, the thisQuestion object that was just added. Note that you can further modify this, which will modify the question object "in" the survey group as well. This allows you to pipe the question creation on to, for example, add answer options.

Method `export_to_lsg()`

Export the group as an LSG (xml) file.

Usage

Group$export_to_lsg(
  file = NULL,
  preventOverwriting = limonaid::opts$get("preventOverwriting"),
  encoding = limonaid::opts$get("encoding"),
  silent = limonaid::opts$get("silent"),
  backupLanguage = self$language
)

Arguments

file: The filename to which to save the file.
preventOverwriting: Whether to prevent overwriting.
encoding: The encoding to use
silent: Whether to be silent or chatty.
backupLanguage: The language to get content from if not from the primary langage.
parallel: Whether to work serially or in parallel.

Returns

Invisibly, the Survey object.

Method `clone()`

The objects of this class are cloneable with this method.

Usage

Group$clone(deep = FALSE)

Arguments

deep: Whether to make a deep clone.

Examples

myGroup <- limonaid::Group$new(
  group_name = "My Group"
);
myGroup$add_question(
  "testQuestion1",
  questionTexts = "First question",
  type="free text (short)"
);
myGroup$add_question(
  "testQuestion2",
  questionTexts = "Second question",
  type="radio"
);
myGroup$questions$testQuestion2$add_answer_option(
  "option1",
  "First option"
);
myGroup$questions$testQuestion2$add_answer_option(
  "option2",
  "Second option"
);

cat(as.character(myGroup$export_to_lsg()));
#> <?xml version="1.0" encoding="UTF-8"?>
#> <document>
#>   <LimeSurveyDocType>Group</LimeSurveyDocType>
#>   <DBVersion>495</DBVersion>
#>   <languages>
#>     <language>en</language>
#>   </languages>
#>   <groups>
#>     <fields>
#>       <fieldname>gid</fieldname>
#>       <fieldname>sid</fieldname>
#>       <fieldname>group_order</fieldname>
#>       <fieldname>randomization_group</fieldname>
#>       <fieldname>grelevance</fieldname>
#>     </fields>
#>     <rows>
#>       <row>
#>         <gid><![CDATA[2]]></gid>
#>         <sid><![CDATA[1]]></sid>
#>         <group_order><![CDATA[1]]></group_order>
#>         <randomization_group/>
#>         <grelevance><![CDATA[1]]></grelevance>
#>       </row>
#>     </rows>
#>   </groups>
#>   <group_l10ns>
#>     <fields>
#>       <fieldname>id</fieldname>
#>       <fieldname>gid</fieldname>
#>       <fieldname>group_name</fieldname>
#>       <fieldname>description</fieldname>
#>       <fieldname>language</fieldname>
#>       <fieldname>sid</fieldname>
#>       <fieldname>group_order</fieldname>
#>       <fieldname>randomization_group</fieldname>
#>       <fieldname>grelevance</fieldname>
#>     </fields>
#>     <rows>
#>       <row>
#>         <id><![CDATA[7]]></id>
#>         <gid><![CDATA[2]]></gid>
#>         <group_name><![CDATA[My Group]]></group_name>
#>         <description><![CDATA[]]></description>
#>         <language><![CDATA[en]]></language>
#>         <sid><![CDATA[1]]></sid>
#>         <group_order><![CDATA[1]]></group_order>
#>         <randomization_group/>
#>         <grelevance><![CDATA[1]]></grelevance>
#>       </row>
#>     </rows>
#>   </group_l10ns>
#>   <questions>
#>     <fields>
#>       <fieldname>qid</fieldname>
#>       <fieldname>parent_qid</fieldname>
#>       <fieldname>sid</fieldname>
#>       <fieldname>gid</fieldname>
#>       <fieldname>type</fieldname>
#>       <fieldname>title</fieldname>
#>       <fieldname>preg</fieldname>
#>       <fieldname>other</fieldname>
#>       <fieldname>mandatory</fieldname>
#>       <fieldname>question_order</fieldname>
#>       <fieldname>scale_id</fieldname>
#>       <fieldname>same_default</fieldname>
#>       <fieldname>relevance</fieldname>
#>       <fieldname>modulename</fieldname>
#>       <fieldname>encrypted</fieldname>
#>       <fieldname>question_theme_name</fieldname>
#>       <fieldname>same_script</fieldname>
#>     </fields>
#>     <rows>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <parent_qid><![CDATA[0]]></parent_qid>
#>         <sid><![CDATA[1]]></sid>
#>         <gid><![CDATA[2]]></gid>
#>         <type><![CDATA[S]]></type>
#>         <title><![CDATA[testQuestion1]]></title>
#>         <preg/>
#>         <other><![CDATA[N]]></other>
#>         <mandatory><![CDATA[N]]></mandatory>
#>         <question_order><![CDATA[0]]></question_order>
#>         <scale_id/>
#>         <same_default><![CDATA[0]]></same_default>
#>         <relevance><![CDATA[1]]></relevance>
#>         <modulename/>
#>         <encrypted/>
#>         <question_theme_name/>
#>         <same_script/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <parent_qid><![CDATA[0]]></parent_qid>
#>         <sid><![CDATA[1]]></sid>
#>         <gid><![CDATA[2]]></gid>
#>         <type><![CDATA[L]]></type>
#>         <title><![CDATA[testQuestion2]]></title>
#>         <preg/>
#>         <other><![CDATA[N]]></other>
#>         <mandatory><![CDATA[N]]></mandatory>
#>         <question_order><![CDATA[1]]></question_order>
#>         <scale_id/>
#>         <same_default><![CDATA[0]]></same_default>
#>         <relevance><![CDATA[1]]></relevance>
#>         <modulename/>
#>         <encrypted/>
#>         <question_theme_name/>
#>         <same_script/>
#>       </row>
#>     </rows>
#>   </questions>
#>   <question_l10ns>
#>     <fields>
#>       <fieldname>id</fieldname>
#>       <fieldname>qid</fieldname>
#>       <fieldname>question</fieldname>
#>       <fieldname>help</fieldname>
#>       <fieldname>language</fieldname>
#>       <fieldname>script</fieldname>
#>     </fields>
#>     <rows>
#>       <row>
#>         <id><![CDATA[8]]></id>
#>         <qid><![CDATA[3]]></qid>
#>         <question><![CDATA[First question]]></question>
#>         <help><![CDATA[]]></help>
#>         <language><![CDATA[en]]></language>
#>         <script/>
#>       </row>
#>       <row>
#>         <id><![CDATA[9]]></id>
#>         <qid><![CDATA[4]]></qid>
#>         <question><![CDATA[Second question]]></question>
#>         <help><![CDATA[]]></help>
#>         <language><![CDATA[en]]></language>
#>         <script/>
#>       </row>
#>     </rows>
#>   </question_l10ns>
#>   <answers>
#>     <fields>
#>       <fieldname>aid</fieldname>
#>       <fieldname>qid</fieldname>
#>       <fieldname>code</fieldname>
#>       <fieldname>sortorder</fieldname>
#>       <fieldname>assessment_value</fieldname>
#>       <fieldname>scale_id</fieldname>
#>     </fields>
#>     <rows>
#>       <row>
#>         <aid><![CDATA[5]]></aid>
#>         <qid><![CDATA[4]]></qid>
#>         <code><![CDATA[option1]]></code>
#>         <sortorder><![CDATA[0]]></sortorder>
#>         <assessment_value><![CDATA[0]]></assessment_value>
#>         <scale_id><![CDATA[0]]></scale_id>
#>       </row>
#>       <row>
#>         <aid><![CDATA[6]]></aid>
#>         <qid><![CDATA[4]]></qid>
#>         <code><![CDATA[option2]]></code>
#>         <sortorder><![CDATA[1]]></sortorder>
#>         <assessment_value><![CDATA[0]]></assessment_value>
#>         <scale_id><![CDATA[0]]></scale_id>
#>       </row>
#>     </rows>
#>   </answers>
#>   <answer_l10ns>
#>     <fields>
#>       <fieldname>id</fieldname>
#>       <fieldname>aid</fieldname>
#>       <fieldname>answer</fieldname>
#>       <fieldname>language</fieldname>
#>     </fields>
#>     <rows>
#>       <row>
#>         <id><![CDATA[10]]></id>
#>         <aid><![CDATA[5]]></aid>
#>         <answer><![CDATA[First option]]></answer>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <id><![CDATA[11]]></id>
#>         <aid><![CDATA[6]]></aid>
#>         <answer><![CDATA[Second option]]></answer>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>     </rows>
#>   </answer_l10ns>
#>   <question_attributes>
#>     <fields>
#>       <fieldname>qid</fieldname>
#>       <fieldname>attribute</fieldname>
#>       <fieldname>value</fieldname>
#>       <fieldname>language</fieldname>
#>     </fields>
#>     <rows>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[random_group]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[em_validation_q]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[em_validation_q_tip]]></attribute>
#>         <value/>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[prefix]]></attribute>
#>         <value/>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[suffix]]></attribute>
#>         <value/>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[hide_tip]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[text_input_width]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[input_size]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[display_rows]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[hidden]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[cssclass]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[maximum_chars]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[page_break]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[numbers_only]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_action]]></attribute>
#>         <value><![CDATA[1]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_disable_next]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_disable_prev]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_countdown_message]]></attribute>
#>         <value/>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_timer_style]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_message_delay]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_message]]></attribute>
#>         <value/>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_message_style]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_warning]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_warning_display_time]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_warning_message]]></attribute>
#>         <value/>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_warning_style]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_warning_2]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_warning_2_display_time]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_warning_2_message]]></attribute>
#>         <value/>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[time_limit_warning_2_style]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[statistics_showmap]]></attribute>
#>         <value><![CDATA[1]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[statistics_showgraph]]></attribute>
#>         <value><![CDATA[1]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[statistics_graphtype]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_mapservice]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_nodefaultfromip]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_postal]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_city]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_state]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_country]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_mapzoom]]></attribute>
#>         <value><![CDATA[11]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_defaultcoordinates]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_mapwidth]]></attribute>
#>         <value><![CDATA[500]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[location_mapheight]]></attribute>
#>         <value><![CDATA[300]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[3]]></qid>
#>         <attribute><![CDATA[save_as_default]]></attribute>
#>         <value><![CDATA[N]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[other_comment_mandatory]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[other_numbers_only]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[array_filter_exclude]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[array_filter_style]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[array_filter]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[random_group]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[em_validation_q]]></attribute>
#>         <value/>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[em_validation_q_tip]]></attribute>
#>         <value/>
#>         <language><![CDATA[en]]></language>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[keep_aspect]]></attribute>
#>         <value><![CDATA[0]]></value>
#>         <language/>
#>       </row>
#>       <row>
#>         <qid><![CDATA[4]]></qid>
#>         <attribute><![CDATA[horizontal_scroll]]></attribute>
#>         <value><![CDATA[0]]></value>
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#>   </question_attributes>
#> </document>

R6 Class representing a LimeSurvey group

Details

Public fields

Methods

Public methods

Method new()

Usage

Arguments

Returns

Method add_question()

Usage

Arguments

Returns

Method export_to_lsg()

Usage

Arguments

Returns

Method clone()

Usage

Arguments

Examples

Method `new()`

Method `add_question()`

Method `export_to_lsg()`

Method `clone()`