MultipleChoice survey question. More...

Inheritance diagram for SurveyMultipleChoiceQuestion:

Collaboration diagram for SurveyMultipleChoiceQuestion:

Public Member Functions
	SurveyMultipleChoiceQuestion ( $title="", $description="", $author="", $questiontext="", $owner=-1, $orientation=0)
	The constructor takes possible arguments an creates an instance of the SurveyMultipleChoiceQuestion object. More...

	_getQuestionDataArray ($id)
	Returns the question data fields from the database. More...

	loadFromDb ($id)
	Loads a SurveyMultipleChoiceQuestion object from the database. More...

	isComplete ()
	Returns true if the question is complete for use. More...

	saveToDb ($original_id="")
	Saves a SurveyMultipleChoiceQuestion object to a database. More...

	saveCategoriesToDb ()

	toXML ($a_include_header=TRUE, $obligatory_state="")
	Returns an xml representation of the question. More...

	insertXML (&$a_xml_writer, $a_include_header=TRUE, $obligatory_state="")
	Adds the question XML to a given XMLWriter object. More...

	getQuestionType ()
	Returns the question type of the question. More...

	getAdditionalTableName ()
	Returns the name of the additional question data table in the database. More...

&	getWorkingDataFromUserInput ($post_data)
	Creates the user data of the svy_answer table from the POST data. More...

	checkUserInput ($post_data, $survey_id)
	Checks the input of the active user for obligatory status and entered values. More...

	saveRandomData ($active_id)
	Saves random answers for a given active user in the database. More...

	saveUserInput ($post_data, $active_id, $a_return=false)

&	getCumulatedResults ($survey_id, $nr_of_users, $finished_ids)

	setExportDetailsXLS (&$workbook, &$format_title, &$format_bold, &$eval_data, $export_label)
	Creates an Excel worksheet for the detailed cumulated results of this question. More...

	addUserSpecificResultsExportTitles (&$a_array, $a_use_label=false, $a_substitute=true)
	Adds the entries for the title row of the user specific results. More...

	addUserSpecificResultsData (&$a_array, &$resultset)
	Adds the values for the user specific results export for a given user. More...

&	getUserAnswers ($survey_id, $finished_ids)
	Returns an array containing all answers to this question in a given survey. More...

	importAdditionalMetadata ($a_meta)
	Import additional meta data from the question import file. More...

	importResponses ($a_data)
	Import response data from the question import file. More...

	usableForPrecondition ()
	Returns if the question is usable for preconditions. More...

	getAvailableRelations ()
	Returns the available relations for the question. More...

	getPreconditionOptions ()
	Returns the options for preconditions. More...

	getPreconditionSelectValue ($default="", $title, $variable)
	Creates a form property for the precondition value. More...

	getPreconditionValueOutput ($value)
	Returns the output for a precondition value. More...

	getCategories ()

Public Member Functions inherited from SurveyQuestion
	SurveyQuestion ( $title="", $description="", $author="", $questiontext="", $owner=-1)
	SurveyQuestion constructor The constructor takes possible arguments an creates an instance of the SurveyQuestion object. More...

	_SurveyQuestion ()

	setComplete ($a_complete)
	Sets the complete state of the question. More...

	isComplete ()
	Returns 1, if a question is complete for use. More...

	questionTitleExists ($title, $questionpool_object="")
	Returns TRUE if the question title exists in the database. More...

	setTitle ($title="")
	Sets the title string of the SurveyQuestion object. More...

	setObligatory ($obligatory=1)
	Sets the obligatory state of the question. More...

	setOrientation ($orientation=0)
	Sets the orientation of the question output. More...

	setId ($id=-1)
	Sets the id of the SurveyQuestion object. More...

	setSurveyId ($id=-1)
	Sets the survey id of the SurveyQuestion object. More...

	setDescription ($description="")
	Sets the description string of the SurveyQuestion object. More...

	addMaterials ($materials_file, $materials_name="")
	Sets the materials uri. More...

	setMaterialsfile ($materials_filename, $materials_tempfilename="", $materials_name="")
	Sets and uploads the materials uri. More...

	deleteMaterial ($materials_name="")
	Deletes a materials uri with a given name. More...

	flushMaterials ()
	Deletes all materials uris. More...

	setAuthor ($author="")
	Sets the authors name of the SurveyQuestion object. More...

	setQuestiontext ($questiontext="")
	Sets the questiontext of the SurveyQuestion object. More...

	setOwner ($owner="")
	Sets the creator/owner ID of the SurveyQuestion object. More...

	getTitle ()
	Gets the title string of the SurveyQuestion object. More...

	getLabel ()

	getId ()
	Gets the id of the SurveyQuestion object. More...

	getObligatory ($survey_id="")
	Gets the obligatory state of the question. More...

	getSurveyId ()
	Gets the survey id of the SurveyQuestion object. More...

	getOrientation ()
	Gets the orientation of the question output. More...

	getDescription ()
	Gets the description string of the SurveyQuestion object. More...

	getAuthor ()
	Gets the authors name of the SurveyQuestion object. More...

	getOwner ()
	Gets the creator/owner ID of the SurveyQuestion object. More...

	getQuestiontext ()
	Gets the questiontext of the SurveyQuestion object. More...

	getObjId ()
	Get the reference id of the container object. More...

	setObjId ($obj_id=0)
	Set the reference id of the container object. More...

	duplicate ($for_survey=true, $title="", $author="", $owner="")
	Duplicates a survey question. More...

	copyObject ($target_questionpool, $title="")
	Copies an assOrderingQuestion object. More...

	copyXHTMLMediaObjectsOfQuestion ($a_q_id)
	Increases the media object usage counter when a question is duplicated. More...

	loadFromDb ($question_id)
	Loads a SurveyQuestion object from the database. More...

	_isComplete ($question_id)
	Checks whether the question is complete or not. More...

	saveCompletionStatus ($original_id="")
	Saves the complete flag to the database. More...

	saveToDb ($original_id="")
	Saves a SurveyQuestion object to a database. More...

	saveMaterial ()
	save material to db More...

	createNewQuestion ()
	Creates a new question with a 0 timestamp when a new question is created This assures that an ID is given to the question if a file upload or something else occurs. More...

	saveWorkingData ($limit_to=LIMIT_NO_LIMIT)
	Saves the learners input of the question to the database. More...

	getImagePath ()
	Returns the image path for web accessable images of a question. More...

	getMaterialsPath ()
	Returns the materials path for web accessable materials of a question. More...

	getImagePathWeb ()
	Returns the web image path for web accessable images of a question. More...

	getMaterialsPathWeb ()
	Returns the web image path for web accessable images of a question. More...

	saveCategoryToDb ($categorytext, $neutral=0)
	Saves a category to the database. More...

	deleteAdditionalTableData ($question_id)
	Deletes datasets from the additional question table in the database. More...

	delete ($question_id)
	Deletes a question and all materials from the database. More...

	_getQuestionType ($question_id)
	Returns the question type of a question with a given id. More...

	_getTitle ($question_id)
	Returns the question title of a question with a given id. More...

	_getOriginalId ($question_id, $a_return_question_id_if_no_original=true)
	Returns the original id of a question. More...

	syncWithOriginal ()

	getPhrase ($phrase_id)
	Returns a phrase for a given database id. More...

	phraseExists ($title)
	Returns true if the phrase title already exists for the current user. More...

	_questionExists ($question_id)
	Returns true if the question already exists in the database. More...

	addInternalLink ($material_id, $title="")

	deleteMaterials ($a_array)
	Deletes materials. More...

	duplicateMaterials ($question_id)
	Duplicates the materials of a question. More...

	addMaterial ($obj_material)

	setMaterial ($material_id="", $is_import=false, $material_title="")
	Sets a material link for the question. More...

	_resolveInternalLink ($internal_link)

	_resolveIntLinks ($question_id)

	_getInternalLinkHref ($target="", $a_parent_ref_id=null)

	_isWriteable ($question_id, $user_id)
	Returns true if the question is writeable by a certain user. More...

	getQuestionTypeID ()
	Returns the question type ID of the question. More...

	getQuestionType ()
	Returns the question type of the question. More...

&	_instanciateQuestion ($question_id)
	Creates an instance of a question with a given question id. More...

&	_instanciateQuestionGUI ($question_id)
	Creates an instance of a question GUI with a given question id. More...

	isHTML ($a_text)
	Checks if a given string contains HTML or not. More...

	QTIMaterialToString ($a_material)
	Reads an QTI material tag an creates a text string. More...

	addMaterialTag (&$a_xml_writer, $a_material, $close_material_tag=TRUE, $add_mobs=TRUE, $a_attrs=null)
	Creates an XML material tag from a plain text or xhtml text. More...

	prepareTextareaOutput ($txt_output, $prepare_for_latex_output=FALSE)
	Prepares a string for a text area output in surveys. More...

	_getQuestionDataArray ($id)
	Returns the question data fields from the database. More...

	addUserSpecificResultsExportTitles (&$a_array, $a_use_label=false, $a_substitute=true)
	Adds the entries for the title row of the user specific results. More...

	addUserSpecificResultsData (&$a_array, &$resultset)
	Adds the values for the user specific results export for a given user. More...

&	getUserAnswers ($survey_id)
	Returns an array containing all answers to this question in a given survey. More...

&	getWorkingDataFromUserInput ($post_data)
	Creates the user data of the svy_answer table from the POST data. More...

	importAdditionalMetadata ($a_meta)
	Import additional meta data from the question import file. More...

	importResponses ($a_data)
	Import response data from the question import file. More...

	importAdjectives ($a_data)
	Import bipolar adjectives from the question import file. More...

	importMatrix ($a_data)
	Import matrix rows from the question import file. More...

	setExportCumulatedXLS (&$worksheet, &$format_title, &$format_bold, &$eval_data, $row, $export_label)
	Creates the Excel output for the cumulated results of this question. More...

&	setExportCumulatedCVS (&$eval_data, $export_label)
	Creates the CSV output for the cumulated results of this question. More...

	setExportDetailsXLS (&$workbook, &$format_title, &$format_bold, &$eval_data, $export_label)
	Creates an Excel worksheet for the detailed cumulated results of this question. More...

	usableForPrecondition ()
	Returns if the question is usable for preconditions. More...

	getAvailableRelations ()
	Returns the available relations for the question. More...

	getPreconditionOptions ()
	Returns the options for preconditions. More...

	getPreconditionValueOutput ($value)
	Returns the output for a precondition value. More...

	getPreconditionSelectValue ($default="", $title, $variable)
	Creates a form property for the precondition value. More...

	outChart ($survey_id, $type="")
	Creates an image visualising the results of the question. More...

	setOriginalId ($original_id)

	getOriginalId ()

	saveRandomData ($active_id)
	Saves random answers for a given active user in the database. More...

	getMaterial ()

	setSubtype ($a_subtype)

	getSubtype ()

	getCumulatedResultData ($survey_id, $counter, $finished_ids)
	Creates a the cumulated results data for the question. More...

	__get ($value)
	Object getter. More...

	__set ($key, $value)
	Object setter. More...

	getCopyIds ($a_group_by_survey=false)

	hasCopies ()

	getSkippedValue ()

Data Fields
	$categories

Data Fields inherited from SurveyQuestion
	$id

	$title

	$description

	$owner

	$author

	$materials

	$survey_id

	$obj_id

	$questiontext

	$obligatory

	$ilias

	$tpl

	$lng

	$orientation

	$material

	$complete

Additional Inherited Members
Static Public Member Functions inherited from SurveyQuestion
static	_includeClass ($question_type, $gui=0)
	Include the php class file for a given question type. More...

static	_getQuestionTypeName ($type_tag)
	Return the translation for a given question type tag. More...

static	_changeOriginalId ($a_question_id, $a_original_id, $a_object_id)
	Change original id of existing question in db. More...

static	_lookupSurveyObjId ($a_question_id)

static	lookupObjFi ($a_qid)
	Lookip obj fi. More...

Protected Member Functions inherited from SurveyQuestion
&	calculateCumulatedResults ($survey_id, $finished_ids)

Protected Attributes inherited from SurveyQuestion
	$cumulated
	An array containing the cumulated results of the question for a given survey. More...

Detailed Description

MultipleChoice survey question.

The SurveyMultipleChoiceQuestion class defines and encapsulates basic methods and attributes for multiple choice survey question types.

Author: Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Version: $Id$

Definition at line 37 of file class.SurveyMultipleChoiceQuestion.php.

Member Function Documentation

◆ _getQuestionDataArray()

SurveyMultipleChoiceQuestion::_getQuestionDataArray ( $id )

Returns the question data fields from the database.

Parameters

integer $id The question ID from the database

Returns: array Array containing the question fields and data from the database public

Definition at line 77 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$id, $ilDB, $result, and getAdditionalTableName().

         {
                 global $ilDB;
                 
                 $result = $ilDB->queryF("SELECT svy_question.*, " . $this->getAdditionalTableName() . ".* FROM svy_question, " . $this->getAdditionalTableName() . " WHERE svy_question.question_id = %s AND svy_question.question_id = " . $this->getAdditionalTableName() . ".question_fi",
                         array('integer'),
                         array($id)
                 );
                 if ($result->numRows() == 1)
                 {
                         return $ilDB->fetchAssoc($result);
                 }
                 else
                 {
                         return array();
                 }
         }

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◆ addUserSpecificResultsData()

SurveyMultipleChoiceQuestion::addUserSpecificResultsData	(	&	$a_array,
		&	$resultset
	)

Adds the values for the user specific results export for a given user.

Parameters

array	$a_array	An array which is used to append the values
array	$resultset	The evaluation data for a given user public

Definition at line 747 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\getId(), and SurveyQuestion\getSkippedValue().

         {
                 if (count($resultset["answers"][$this->getId()]))
                 {
                         array_push($a_array, "");
                         for ($index = 0; $index < $this->categories->getCategoryCount(); $index++)
                         {
                                 $category = $this->categories->getCategory($index);             
                                 $incoming_value = $category->scale ? $category->scale-1 : $index;               
                                 
                                 $found = 0;
                                 $textanswer = "";                               
                                 foreach ($resultset["answers"][$this->getId()] as $answerdata)
                                 {
                                         if (strcmp($incoming_value, $answerdata["value"]) == 0)
                                         {
                                                 $found = $answerdata["value"]+1;
                                                 $textanswer = $answerdata["textanswer"];
                                         }
                                 }
                                 if ($found)
                                 {
                                         array_push($a_array, $found);
                                 }
                                 else
                                 {
                                         array_push($a_array, "0");
                                 }                               
                                 if ($category->other)
                                 {
                                         array_push($a_array, $textanswer);
                                 }
                         }
                 }
                 else
                 {
                         array_push($a_array, $this->getSkippedValue());
                         for ($index = 0; $index < $this->categories->getCategoryCount(); $index++)
                         {
                                 array_push($a_array, "");
                                 
                                 // add empty text answers for skipped question
                                 $category = $this->categories->getCategory($index);
                                 if ($category->other)
                                 {
                                         array_push($a_array, "");
                                 }
                         }
                 }
         }

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◆ addUserSpecificResultsExportTitles()

SurveyMultipleChoiceQuestion::addUserSpecificResultsExportTitles	(	&	$a_array,
			$a_use_label = `false`,
			$a_substitute = `true`
	)

Adds the entries for the title row of the user specific results.

Parameters

array $a_array An array which is used to append the title row entries public

Definition at line 707 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$title.

         {
                 parent::addUserSpecificResultsExportTitles($a_array, $a_use_label, $a_substitute);
                 
                 for ($index = 0; $index < $this->categories->getCategoryCount(); $index++)
                 {
                         $category = $this->categories->getCategory($index);
                         $title = $category->title;
                         
                         if(!$a_use_label || $a_substitute)
                         {
                                 array_push($a_array, $title);
                         }
                         else
                         {
                                 array_push($a_array, "");
                         }
                         
                         // optionally add headers for text answers
                         if ($category->other)
                         {
                                 if(!$a_use_label || $a_substitute)
                                 {
                                         array_push($a_array, $title . " - ". $this->lng->txt("other"));
                                 }
                                 else
                                 {
                                         array_push($a_array, "");
                                 }
                         }
                 }
         }

◆ checkUserInput()

SurveyMultipleChoiceQuestion::checkUserInput	(	$post_data,
		$survey_id
	)

Checks the input of the active user for obligatory status and entered values.

Parameters

array	$post_data	The contents of the $_POST array
integer	$survey_id	The database ID of the active survey

Returns: string Empty string if the input is ok, an error message otherwise public

Definition at line 402 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$survey_id, SurveyQuestion\getId(), and SurveyQuestion\getObligatory().

         {
                 $entered_value = $post_data[$this->getId() . "_value"];
                 if (!$this->getObligatory($survey_id) && count($entered_value) == 0) return "";
 
                 if ($this->use_min_answers && $this->nr_min_answers > 0 && $this->nr_max_answers > 0 && $this->nr_min_answers == $this->nr_max_answers && count($entered_value) != $this->nr_max_answers)
                 {
                         return sprintf($this->lng->txt("err_no_exact_answers"), $this->nr_min_answers);
                 }
                 if ($this->use_min_answers && $this->nr_min_answers > 0 && count($entered_value) < $this->nr_min_answers)
                 {
                         return sprintf($this->lng->txt("err_no_min_answers"), $this->nr_min_answers);
                 }
                 if ($this->use_min_answers && $this->nr_max_answers > 0 && count($entered_value) > $this->nr_max_answers)
                 {
                         return sprintf($this->lng->txt("err_no_max_answers"), $this->nr_max_answers);
                 }
                 if (!is_array($entered_value))
                 {
                         return $this->lng->txt("question_mr_not_checked");
                 }
                 for ($i = 0; $i < $this->categories->getCategoryCount(); $i++)
                 {
                         $cat = $this->categories->getCategory($i);
                         if ($cat->other)
                         {
                                 if (in_array($i, $entered_value))
                                 {
                                         if (array_key_exists($this->getId() . "_" . $i . "_other", $post_data) && !strlen($post_data[$this->getId() . "_" . $i . "_other"]))
                                         {
                                                 return $this->lng->txt("question_mr_no_other_answer");
                                         }
                                 }
                                 else
                                 {
                                         if (strlen($post_data[$this->getId() . "_" . $i . "_other"]))
                                         {
                                                 return $this->lng->txt("question_mr_no_other_answer_checked");
                                         }
                                 }
                         }
                 }
                 return "";
         }

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◆ getAdditionalTableName()

SurveyMultipleChoiceQuestion::getAdditionalTableName ( )

Returns the name of the additional question data table in the database.

Returns: string The additional table name public

Definition at line 353 of file class.SurveyMultipleChoiceQuestion.php.

Referenced by _getQuestionDataArray(), loadFromDb(), and saveToDb().

         {
                 return "svy_qst_mc";
         }

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◆ getAvailableRelations()

SurveyMultipleChoiceQuestion::getAvailableRelations ( )

Returns the available relations for the question.

Returns: array An array containing the available relations public

Definition at line 916 of file class.SurveyMultipleChoiceQuestion.php.

         {
                 return array("=", "<>");
         }

◆ getCategories()

SurveyMultipleChoiceQuestion::getCategories ( )

Definition at line 973 of file class.SurveyMultipleChoiceQuestion.php.

References $categories.

         {
                 return $this->categories;
         }

◆ getCumulatedResults()

& SurveyMultipleChoiceQuestion::getCumulatedResults	(	$survey_id,
		$nr_of_users,
		$finished_ids
	)

Definition at line 513 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$cumulated, $ilDB, $result, $row, SurveyQuestion\$survey_id, and SurveyQuestion\getId().

         {
                 global $ilDB;
                 
                 $question_id = $this->getId();
                 
                 $result_array = array();
                 $cumulated = array();
 
                 $sql = "SELECT svy_answer.* FROM svy_answer".
                         " JOIN svy_finished ON (svy_finished.finished_id = svy_answer.active_fi)".
                         " WHERE svy_answer.question_fi = ".$ilDB->quote($question_id, "integer").
                         " AND svy_finished.survey_fi = ".$ilDB->quote($survey_id, "integer");           
                 if($finished_ids)
                 {
                         $sql .= " AND ".$ilDB->in("svy_finished.finished_id", $finished_ids, "", "integer");
                 }
 
                 $result = $ilDB->query($sql);           
                 $numrows = $result->numRows();
                 
                 // count the answers for every answer value
                 $textanswers = array();
                 while ($row = $ilDB->fetchAssoc($result))
                 {
                         $cumulated[$row["value"]]++;
                         
                         // add text value to result array
                         if ($row["textanswer"])
                         {
                                 $textanswers[$row["value"]][] = $row["textanswer"];
                         }
                 }
                 // sort textanswers by value
                 if (is_array($textanswers))
                 {
                         ksort($textanswers, SORT_NUMERIC);
                 }
                 asort($cumulated, SORT_NUMERIC);
                 end($cumulated);
                 
                 $sql = "SELECT svy_answer.answer_id, svy_answer.question_fi, svy_answer.active_fi".
                         " FROM svy_answer".
                         " JOIN svy_finished ON (svy_finished.finished_id = svy_answer.active_fi)".
                         " WHERE svy_answer.question_fi = ".$ilDB->quote($question_id, "integer").
                         " AND svy_finished.survey_fi = ".$ilDB->quote($survey_id, "integer");           
                 if($finished_ids)
                 {
                         $sql .= " AND ".$ilDB->in("svy_finished.finished_id", $finished_ids, "", "integer");
                 }
                 
                 $mcmr_result = $ilDB->query($sql);      
                 $found = array();
                 while ($row = $ilDB->fetchAssoc($mcmr_result))
                 {
                         $found[$row["question_fi"] . "_" . $row["active_fi"]] = 1;
                 }
                 $result_array["USERS_ANSWERED"] = count($found);
                 $result_array["USERS_SKIPPED"] = $nr_of_users - count($found);
                 $numrows = count($found);
 
                 $result_array["MEDIAN"] = "";
                 $result_array["ARITHMETIC_MEAN"] = "";
                 if(sizeof($cumulated))
                 {
                         $prefix = "";
                         if (strcmp(key($cumulated), "") != 0)
                         {
                                 $prefix = (key($cumulated)+1) . " - ";
                         }
                         $category = $this->categories->getCategoryForScale(key($cumulated)+1);
                         $result_array["MODE"] =  $prefix . $category->title;
                         $result_array["MODE_VALUE"] =  key($cumulated)+1;
                         $result_array["MODE_NR_OF_SELECTIONS"] = $cumulated[key($cumulated)];
                 }
                 $result_array["QUESTION_TYPE"] = "SurveyMultipleChoiceQuestion";
                 $maxvalues = 0;
                 for ($key = 0; $key < $this->categories->getCategoryCount(); $key++)
                 {
                         $cat = $this->categories->getCategory($key);
                         $maxvalues += $cumulated[$cat->scale-1];
                 }
                 for ($key = 0; $key < $this->categories->getCategoryCount(); $key++)
                 {
                         $cat = $this->categories->getCategory($key);
                         $percentage = 0;
                         if ($numrows > 0)
                         {
                                 if ($maxvalues > 0)
                                 {
                                         $percentage = ($maxvalues > 0) ? (float)((int)$cumulated[$cat->scale-1]/$maxvalues) : 0;
                                 }
                         }
                         if(isset($textanswers[$cat->scale-1]))
                         {
                                 // #12138
                                 $result_array["textanswers"][$key] = $textanswers[$cat->scale-1];
                         }
                         $result_array["variables"][$key] = array("title" => $cat->title, "selected" => (int)$cumulated[$cat->scale-1], "percentage" => $percentage);
                 }
                 return $result_array;
         }

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◆ getPreconditionOptions()

SurveyMultipleChoiceQuestion::getPreconditionOptions ( )

Returns the options for preconditions.

Returns: array

Definition at line 926 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$lng, and $options.

Referenced by getPreconditionSelectValue().

         {
                 global $lng;
                 
                 $options = array();
                 for ($i = 0; $i < $this->categories->getCategoryCount(); $i++)
                 {
                         $category = $this->categories->getCategory($i);                 
                         $options[$category->scale-1] = $category->scale . " - " . $category->title;
                 }
                 return $options;
         }

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◆ getPreconditionSelectValue()

SurveyMultipleChoiceQuestion::getPreconditionSelectValue	(	$default = `""`,
		$title,
		$variable
	)

Creates a form property for the precondition value.

Returns: The ILIAS form element public

Definition at line 945 of file class.SurveyMultipleChoiceQuestion.php.

References $options, SurveyQuestion\$title, and getPreconditionOptions().

         {
                 include_once "./Services/Form/classes/class.ilSelectInputGUI.php";
                 $step3 = new ilSelectInputGUI($title, $variable);
                 $options = $this->getPreconditionOptions();
                 $step3->setOptions($options);
                 $step3->setValue($default);
                 return $step3;
         }

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◆ getPreconditionValueOutput()

SurveyMultipleChoiceQuestion::getPreconditionValueOutput ( $value )

Returns the output for a precondition value.

Parameters

string $value The precondition value

Returns: string The output of the precondition value public

Definition at line 962 of file class.SurveyMultipleChoiceQuestion.php.

         {
                 // #18136
                 $category = $this->categories->getCategoryForScale($value+1);
                 
                 // #17895 - see getPreconditionOptions()
                 return $category->scale . 
                         " - " . 
                         ((strlen($category->title)) ? $category->title : $this->lng->txt('other_answer'));
         }

◆ getQuestionType()

SurveyMultipleChoiceQuestion::getQuestionType ( )

Returns the question type of the question.

Returns: integer The question type of the question public

Definition at line 342 of file class.SurveyMultipleChoiceQuestion.php.

         {
                 return "SurveyMultipleChoiceQuestion";
         }

◆ getUserAnswers()

& SurveyMultipleChoiceQuestion::getUserAnswers	(	$survey_id,
		$finished_ids
	)

Returns an array containing all answers to this question in a given survey.

Parameters

integer $survey_id The database ID of the survey

Returns: array An array containing the answers to the question. The keys are either the user id or the anonymous id public

Definition at line 805 of file class.SurveyMultipleChoiceQuestion.php.

References $ilDB, $result, $row, SurveyQuestion\$survey_id, SurveyQuestion\$title, and SurveyQuestion\getId().

         {
                 global $ilDB;
                 
                 $answers = array();
                 
                 $sql = "SELECT svy_answer.* FROM svy_answer".
                         " JOIN svy_finished ON (svy_finished.finished_id = svy_answer.active_fi)".
                         " WHERE svy_answer.question_fi = ".$ilDB->quote($this->getId(), "integer").
                         " AND svy_finished.survey_fi = ".$ilDB->quote($survey_id, "integer");           
                 if($finished_ids)
                 {
                         $sql .= " AND ".$ilDB->in("svy_finished.finished_id", $finished_ids, "", "integer");
                 }
                 
                 $result = $ilDB->query($sql);           
                 while ($row = $ilDB->fetchAssoc($result))
                 {
                         $category = $this->categories->getCategoryForScale($row["value"]+1);
                         if (!is_array($answers[$row["active_fi"]]))
                         {
                                 $answers[$row["active_fi"]] = array();
                         }
                         $title = $row["value"] + 1 . " - " . $category->title;
                         if ($category->other) $title .= ": " . $row["textanswer"];
                         $catindex = $this->categories->getIndex($category);
                         if ($catindex !== null)
                         {
                                 $answers[$row["active_fi"]][$catindex] = $title;
                         }
                         else
                         {
                                 array_push($answers[$row["active_fi"]], $title);
                         }
                         ksort($answers[$row["active_fi"]], SORT_NUMERIC);
                 }
                 return $answers;
         }

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◆ getWorkingDataFromUserInput()

& SurveyMultipleChoiceQuestion::getWorkingDataFromUserInput ( $post_data )

Creates the user data of the svy_answer table from the POST data.

Returns: array User data according to the svy_answer table public

Definition at line 364 of file class.SurveyMultipleChoiceQuestion.php.

References $data, and SurveyQuestion\getId().

         {
                 $entered_value = $post_data[$this->getId() . "_value"];
                 $data = array();
                 if (is_array($entered_value))
                 {
                         foreach ($entered_value as $idx => $value)
                         {
                                 array_push($data, array("value" => $value, "textanswer" => $post_data[$this->getId() . '_' . $value . '_other']));
                         }
                 }
                 for ($i = 0; $i < $this->categories->getCategoryCount(); $i++)
                 {
                         $cat = $this->categories->getCategory($i);
                         if ($cat->other)
                         {
                                 // #18212
                                 if (!is_array($entered_value) || !in_array($i, $entered_value))
                                 {
                                         if (strlen($post_data[$this->getId() . "_" . $i . "_other"]))
                                         {
                                                 array_push($data, array("value" => $i, "textanswer" => $post_data[$this->getId() . '_' . $i . '_other'], "uncheck" => true));
                                         }
                                 }
                         }
                 }
                 return $data;
         }

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◆ importAdditionalMetadata()

SurveyMultipleChoiceQuestion::importAdditionalMetadata ( $a_meta )

Import additional meta data from the question import file.

Usually the meta data section is used to store question elements which are not part of the standard XML schema.

Returns: array $a_meta Array containing the additional meta data public

Definition at line 852 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\setOrientation().

         {
                 foreach ($a_meta as $key => $value)
                 {
                         switch ($value["label"])
                         {
                                 case "orientation":
                                         $this->setOrientation($value["entry"]);
                                         break;
                                 case "use_min_answers":
                                         $this->use_min_answers = $value["entry"];
                                         break;
                                 case "nr_min_answers":
                                         $this->nr_min_answers = $value["entry"];
                                         break;
                                 case "nr_max_answers":
                                         $this->nr_max_answers = $value["entry"];
                                         break;
                         }
                 }
         }

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◆ importResponses()

SurveyMultipleChoiceQuestion::importResponses ( $a_data )

Import response data from the question import file.

Returns: array $a_data Array containing the response data public

Definition at line 880 of file class.SurveyMultipleChoiceQuestion.php.

References $data, SurveyQuestion\$id, and SurveyQuestion\$material.

         {
                 foreach ($a_data as $id => $data)
                 {
                         $categorytext = "";
                         foreach ($data["material"] as $material)
                         {
                                 $categorytext .= $material["text"];
                         }
                         $this->categories->addCategory(
                                 $categorytext, 
                                 strlen($data['other']) ? $data['other'] : 0, 
                                 strlen($data['neutral']) ? $data['neutral'] : 0, 
                                 strlen($data['label']) ? $data['label'] : null, 
                                 strlen($data['scale']) ? $data['scale'] : null
                         );
                 }
         }

◆ insertXML()

SurveyMultipleChoiceQuestion::insertXML	(	&	$a_xml_writer,
			$a_include_header = `TRUE`,
			$obligatory_state = `""`
	)

Adds the question XML to a given XMLWriter object.

Parameters

object	$a_xml_writer	The XMLWriter object
boolean	$a_include_header	Determines wheather or not the XML should be used
string	$obligatory_state	The value of the obligatory state public

Definition at line 252 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\addMaterialTag(), SurveyQuestion\getAuthor(), SurveyQuestion\getDescription(), SurveyQuestion\getId(), SurveyQuestion\getObligatory(), SurveyQuestion\getOrientation(), SurveyQuestion\getQuestiontext(), and SurveyQuestion\getTitle().

Referenced by toXML().

         {
                 $attrs = array(
                         "id" => $this->getId(),
                         "title" => $this->getTitle(),
                         "type" => $this->getQuestiontype(),
                         "obligatory" => $this->getObligatory()
                 );
                 $a_xml_writer->xmlStartTag("question", $attrs);
                 
                 $a_xml_writer->xmlElement("description", NULL, $this->getDescription());
                 $a_xml_writer->xmlElement("author", NULL, $this->getAuthor());
                 if (strlen($this->label))
                 {
                         $attrs = array(
                                 "label" => $this->label,
                         );
                 }
                 else
                 {
                         $attrs = array();
                 }
                 $a_xml_writer->xmlStartTag("questiontext", $attrs);
                 $this->addMaterialTag($a_xml_writer, $this->getQuestiontext());
                 $a_xml_writer->xmlEndTag("questiontext");
 
                 $a_xml_writer->xmlStartTag("responses");
 
                 for ($i = 0; $i < $this->categories->getCategoryCount(); $i++)
                 {
                         $attrs = array(
                                 "id" => $i
                         );
                         if (strlen($this->categories->getCategory($i)->other)) $attrs['other'] = $this->categories->getCategory($i)->other;
                         if (strlen($this->categories->getCategory($i)->neutral)) $attrs['neutral'] = $this->categories->getCategory($i)->neutral;
                         if (strlen($this->categories->getCategory($i)->label)) $attrs['label'] = $this->categories->getCategory($i)->label;
                         if (strlen($this->categories->getCategory($i)->scale)) $attrs['scale'] = $this->categories->getCategory($i)->scale;
                         $a_xml_writer->xmlStartTag("response_multiple", $attrs);
                         $this->addMaterialTag($a_xml_writer, $this->categories->getCategory($i)->title);
                         $a_xml_writer->xmlEndTag("response_multiple");
                 }
 
                 $a_xml_writer->xmlEndTag("responses");
 
                 if (count($this->material))
                 {
                         if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $this->material["internal_link"], $matches))
                         {
                                 $attrs = array(
                                         "label" => $this->material["title"]
                                 );
                                 $a_xml_writer->xmlStartTag("material", $attrs);
                                 $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
                                 if (strcmp($matches[1], "") != 0)
                                 {
                                         $intlink = $this->material["internal_link"];
                                 }
                                 $a_xml_writer->xmlElement("mattext", NULL, $intlink);
                                 $a_xml_writer->xmlEndTag("material");
                         }
                 }
 
                 $a_xml_writer->xmlStartTag("metadata");
                 $a_xml_writer->xmlStartTag("metadatafield");
                 $a_xml_writer->xmlElement("fieldlabel", NULL, "orientation");
                 $a_xml_writer->xmlElement("fieldentry", NULL, $this->getOrientation());
                 $a_xml_writer->xmlEndTag("metadatafield");
                 $a_xml_writer->xmlStartTag("metadatafield");
                 $a_xml_writer->xmlElement("fieldlabel", NULL, "use_min_answers");
                 $a_xml_writer->xmlElement("fieldentry", NULL, $this->use_min_answers);
                 $a_xml_writer->xmlEndTag("metadatafield");
                 $a_xml_writer->xmlStartTag("metadatafield");
                 $a_xml_writer->xmlElement("fieldlabel", NULL, "nr_min_answers");
                 $a_xml_writer->xmlElement("fieldentry", NULL, $this->nr_min_answers);
                 $a_xml_writer->xmlEndTag("metadatafield");
                 $a_xml_writer->xmlStartTag("metadatafield");
                 $a_xml_writer->xmlElement("fieldlabel", NULL, "nr_max_answers");
                 $a_xml_writer->xmlElement("fieldentry", NULL, $this->nr_max_answers);
                 $a_xml_writer->xmlEndTag("metadatafield");
                 $a_xml_writer->xmlEndTag("metadata");
 
                 $a_xml_writer->xmlEndTag("question");
         }

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◆ isComplete()

SurveyMultipleChoiceQuestion::isComplete ( )

Returns true if the question is complete for use.

Returns: boolean True if the question is complete for use, otherwise false public

Definition at line 151 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\getAuthor(), SurveyQuestion\getQuestiontext(), and SurveyQuestion\getTitle().

         {
                 if (
                         strlen($this->getTitle()) &&
                         strlen($this->getAuthor()) &&
                         strlen($this->getQuestiontext()) &&
                         $this->categories->getCategoryCount()
                 )
                 {
                         return 1;
                 }
                 else
                 {
                         return 0;
                 }
         }

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◆ loadFromDb()

SurveyMultipleChoiceQuestion::loadFromDb ( $id )

Loads a SurveyMultipleChoiceQuestion object from the database.

Parameters

integer $id The database id of the multiple choice survey question public

Definition at line 101 of file class.SurveyMultipleChoiceQuestion.php.

References $data, SurveyQuestion\$id, $ilDB, $result, ilRTE\_replaceMediaObjectImageSrc(), getAdditionalTableName(), SurveyQuestion\setAuthor(), SurveyQuestion\setComplete(), SurveyQuestion\setDescription(), SurveyQuestion\setId(), SurveyQuestion\setObjId(), SurveyQuestion\setObligatory(), SurveyQuestion\setOrientation(), SurveyQuestion\setOriginalId(), SurveyQuestion\setOwner(), SurveyQuestion\setQuestiontext(), and SurveyQuestion\setTitle().

         {
                 global $ilDB;
 
                 $result = $ilDB->queryF("SELECT svy_question.*, " . $this->getAdditionalTableName() . ".* FROM svy_question LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = svy_question.question_id WHERE svy_question.question_id = %s",
                         array('integer'),
                         array($id)
                 );
                 if ($result->numRows() == 1) 
                 {
                         $data = $ilDB->fetchAssoc($result);
                         $this->setId($data["question_id"]);
                         $this->setTitle($data["title"]);
                         $this->label = $data['label'];
                         $this->setDescription($data["description"]);
                         $this->setObjId($data["obj_fi"]);
                         $this->setAuthor($data["author"]);
                         $this->setOwner($data["owner_fi"]);
                         include_once("./Services/RTE/classes/class.ilRTE.php");
                         $this->setQuestiontext(ilRTE::_replaceMediaObjectImageSrc($data["questiontext"], 1));
                         $this->setObligatory($data["obligatory"]);
                         $this->setComplete($data["complete"]);
                         $this->setOriginalId($data["original_id"]);
                         $this->setOrientation($data["orientation"]);
                         $this->use_min_answers = ($data['use_min_answers']) ? true : false;
                         $this->nr_min_answers = $data['nr_min_answers'];
                         $this->nr_max_answers = $data['nr_max_answers'];
 
                         $this->categories->flushCategories();
                         $result = $ilDB->queryF("SELECT svy_variable.*, svy_category.title, svy_category.neutral FROM svy_variable, svy_category WHERE svy_variable.question_fi = %s AND svy_variable.category_fi = svy_category.category_id ORDER BY sequence ASC",
                                 array('integer'),
                                 array($id)
                         );
                         if ($result->numRows() > 0) 
                         {
                                 while ($data = $ilDB->fetchAssoc($result)) 
                                 {
                                         $this->categories->addCategory($data["title"], $data["other"], $data["neutral"], null, ($data['scale']) ? $data['scale'] : ($data['sequence'] + 1));
                                 }
                         }
                 }
                 parent::loadFromDb($id);
         }

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◆ saveCategoriesToDb()

SurveyMultipleChoiceQuestion::saveCategoriesToDb ( )

Definition at line 201 of file class.SurveyMultipleChoiceQuestion.php.

References $ilDB, SurveyQuestion\getId(), SurveyQuestion\saveCategoryToDb(), and SurveyQuestion\saveCompletionStatus().

Referenced by saveToDb().

         {
                 global $ilDB;
                 
                 $affectedRows = $ilDB->manipulateF("DELETE FROM svy_variable WHERE question_fi = %s",
                         array('integer'),
                         array($this->getId())
                 );
 
                 for ($i = 0; $i < $this->categories->getCategoryCount(); $i++)
                 {
                         $cat = $this->categories->getCategory($i);
                         $category_id = $this->saveCategoryToDb($cat->title, $cat->neutral);
                         $next_id = $ilDB->nextId('svy_variable');
                         $affectedRows = $ilDB->manipulateF("INSERT INTO svy_variable (variable_id, category_fi, question_fi, value1, other, sequence, scale, tstamp) VALUES (%s, %s, %s, %s, %s, %s, %s, %s)",
                                 array('integer','integer','integer','float','integer','integer', 'integer','integer'),
                                 array($next_id, $category_id, $this->getId(), ($i + 1), $cat->other, $i, ($cat->scale > 0) ? $cat->scale : null, time())
                         );
                 }
                 $this->saveCompletionStatus();
         }

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◆ saveRandomData()

SurveyMultipleChoiceQuestion::saveRandomData ( $active_id )

Saves random answers for a given active user in the database.

Parameters

integer $active_id The database ID of the active user

Definition at line 452 of file class.SurveyMultipleChoiceQuestion.php.

References $ilDB, and SurveyQuestion\getId().

         {
                 global $ilDB;
                 // multiple responses
                 for ($i = 0; $i < $this->categories->getCategoryCount(); $i++)
                 {
                         if (rand(0,1)) 
                         {
                                 $cat = $this->categories->getCategory($i);
                                 $next_id = $ilDB->nextId('svy_answer');
                                 $affectedRows = $ilDB->manipulateF("INSERT INTO svy_answer (answer_id, question_fi, active_fi, value, textanswer, tstamp) VALUES (%s, %s, %s, %s, %s, %s)",
                                         array('integer','integer','integer','float','text','integer'),
                                         array($next_id, $this->getId(), $active_id, $i, ($cat->other) ? "Random Data" : null, time())
                                 );
                         }
                 }
         }

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◆ saveToDb()

SurveyMultipleChoiceQuestion::saveToDb ( $original_id = "" )

Saves a SurveyMultipleChoiceQuestion object to a database.

public

Definition at line 173 of file class.SurveyMultipleChoiceQuestion.php.

References $ilDB, getAdditionalTableName(), SurveyQuestion\getId(), SurveyQuestion\getOrientation(), saveCategoriesToDb(), and SurveyQuestion\saveMaterial().

   {
                 global $ilDB;
 
                 $affectedRows = parent::saveToDb($original_id);
                 if ($affectedRows == 1) 
                 {
                         $affectedRows = $ilDB->manipulateF("DELETE FROM " . $this->getAdditionalTableName() . " WHERE question_fi = %s",
                                 array('integer'),
                                 array($this->getId())
                         );
                         $affectedRows = $ilDB->manipulateF("INSERT INTO " . $this->getAdditionalTableName() . " (question_fi, orientation, use_min_answers, nr_min_answers, nr_max_answers) VALUES (%s, %s, %s, %s, %s)",
                                 array('integer', 'text', 'integer', 'integer', 'integer'),
                                 array(
                                         $this->getId(), 
                                         $this->getOrientation(),
                                         ($this->use_min_answers) ? 1 : 0,
                                         ($this->nr_min_answers > 0) ? $this->nr_min_answers : null,
                                         ($this->nr_max_answers > 0) ? $this->nr_max_answers : null
                                 )
                         );
 
                         // saving material uris in the database
                         $this->saveMaterial();
                         $this->saveCategoriesToDb();
                 }
         }

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◆ saveUserInput()

SurveyMultipleChoiceQuestion::saveUserInput	(	$post_data,
		$active_id,
		$a_return = `false`
	)

Definition at line 470 of file class.SurveyMultipleChoiceQuestion.php.

References $ilDB, and SurveyQuestion\getId().

         {
                 global $ilDB;
 
                 if($a_return)
                 {
                         $return_data = array();
                 }
                 if (is_array($post_data[$this->getId() . "_value"]))
                 {
                         foreach ($post_data[$this->getId() . "_value"] as $entered_value)
                         {
                                 if (strlen($entered_value) > 0)
                                 {
                                         if(!$a_return)
                                         {
                                                 $next_id = $ilDB->nextId('svy_answer');
                                                 
                                                 #20216
                                                 $fields = array();
                                                 $fields['answer_id'] = array("integer", $next_id);
                                                 $fields['question_fi'] = array("integer", $this->getId());
                                                 $fields['active_fi'] = array("integer", $active_id);
                                                 $fields['value'] = array("float", (strlen($entered_value)) ? $entered_value : NULL);
                                                 $fields['textanswer'] = array("clob", ($post_data[$this->getId() . "_" . $entered_value . "_other"]) ? $post_data[$this->getId() . "_" . $entered_value . "_other"] : null);
                                                 $fields['tstamp'] = array("integer", time());
 
                                                 $affectedRows = $ilDB->insert("svy_answer", $fields);   
                                         }
                                         else
                                         {
                                                 $return_data[] = array("value"=>$entered_value, 
                                                                 "textanswer"=>$post_data[$this->getId() . "_" . $entered_value . "_other"]);
                                         }
                                 }
                         }
                 }
                 if($a_return)
                 {
                         return $return_data;
                 }
         }

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◆ setExportDetailsXLS()

SurveyMultipleChoiceQuestion::setExportDetailsXLS	(	&	$workbook,
		&	$format_title,
		&	$format_bold,
		&	$eval_data,
			$export_label
	)

Creates an Excel worksheet for the detailed cumulated results of this question.

Parameters

object	$workbook	Reference to the parent excel workbook
object	$format_title	Excel title format
object	$format_bold	Excel bold format
array	$eval_data	Cumulated evaluation data public

Definition at line 625 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$title, ilExcelUtils\_convert_text(), SurveyQuestion\getQuestiontext(), and SurveyQuestion\getTitle().

         {
                 include_once ("./Services/Excel/classes/class.ilExcelUtils.php");
                 $worksheet =& $workbook->addWorksheet();
                 $rowcounter = 0;
                 switch ($export_label)
                 {
                         case 'label_only':
                                 $worksheet->writeString(0, 0, ilExcelUtils::_convert_text($this->lng->txt("label")), $format_bold);
                                 $worksheet->writeString(0, 1, ilExcelUtils::_convert_text($this->label));
                                 break;
                         case 'title_only':
                                 $worksheet->writeString(0, 0, ilExcelUtils::_convert_text($this->lng->txt("title")), $format_bold);
                                 $worksheet->writeString(0, 1, ilExcelUtils::_convert_text($this->getTitle()));
                                 break;
                         default:
                                 $worksheet->writeString(0, 0, ilExcelUtils::_convert_text($this->lng->txt("title")), $format_bold);
                                 $worksheet->writeString(0, 1, ilExcelUtils::_convert_text($this->getTitle()));
                                 $rowcounter++;
                                 $worksheet->writeString($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("label")), $format_bold);
                                 $worksheet->writeString($rowcounter, 1, ilExcelUtils::_convert_text($this->label));
                                 break;
                 }
                 $rowcounter++;
                 $worksheet->writeString($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("question")), $format_bold);
                 $worksheet->writeString($rowcounter, 1, ilExcelUtils::_convert_text($this->getQuestiontext()));
                 $rowcounter++;
                 $worksheet->writeString($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("question_type")), $format_bold);
                 $worksheet->writeString($rowcounter, 1, ilExcelUtils::_convert_text($this->lng->txt($this->getQuestionType())));
                 $rowcounter++;
                 $worksheet->writeString($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("users_answered")), $format_bold);
                 $worksheet->write($rowcounter, 1, $eval_data["USERS_ANSWERED"]);
                 $rowcounter++;
                 $worksheet->writeString($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("users_skipped")), $format_bold);
                 $worksheet->write($rowcounter, 1, $eval_data["USERS_SKIPPED"]);
                 $rowcounter++;
 
                 $worksheet->write($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("mode")), $format_bold);
                 $worksheet->write($rowcounter++, 1, ilExcelUtils::_convert_text($eval_data["MODE_VALUE"]));
                 $worksheet->write($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("mode_text")), $format_bold);
                 $worksheet->write($rowcounter++, 1, ilExcelUtils::_convert_text($eval_data["MODE"]));
                 $worksheet->write($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("mode_nr_of_selections")), $format_bold);
                 $worksheet->write($rowcounter++, 1, ilExcelUtils::_convert_text($eval_data["MODE_NR_OF_SELECTIONS"]));
                 $worksheet->write($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("categories")), $format_bold);
                 $worksheet->write($rowcounter, 1, ilExcelUtils::_convert_text($this->lng->txt("title")), $format_title);
                 $worksheet->write($rowcounter, 2, ilExcelUtils::_convert_text($this->lng->txt("value")), $format_title);
                 $worksheet->write($rowcounter, 3, ilExcelUtils::_convert_text($this->lng->txt("category_nr_selected")), $format_title);
                 $worksheet->write($rowcounter++, 4, ilExcelUtils::_convert_text($this->lng->txt("svy_fraction_of_selections")), $format_title);
                 foreach ($eval_data["variables"] as $key => $value)
                 {
                         $worksheet->write($rowcounter, 1, ilExcelUtils::_convert_text($value["title"]));
                         $category = $this->categories->getCategory($key);
                         $worksheet->write($rowcounter, 2, $category->scale);
                         $worksheet->write($rowcounter, 3, ilExcelUtils::_convert_text($value["selected"]));
                         $worksheet->write($rowcounter++, 4, ilExcelUtils::_convert_text($value["percentage"]), $format_percent);
                 }
                 
                 // add text answers to detailed results
                 if (is_array($eval_data["textanswers"]))
                 {
                         $worksheet->write($rowcounter, 0, ilExcelUtils::_convert_text($this->lng->txt("freetext_answers")), $format_bold);
                         $worksheet->write($rowcounter, 1, ilExcelUtils::_convert_text($this->lng->txt("title")), $format_title);
                         $worksheet->write($rowcounter++, 2, ilExcelUtils::_convert_text($this->lng->txt("answer")), $format_title);
                         
                         foreach ($eval_data["textanswers"] as $key => $answers)
                         {
                                 $title = $eval_data["variables"][$key]["title"];
                                 foreach ($answers as $answer)
                                 {
                                         $worksheet->write($rowcounter, 1, ilExcelUtils::_convert_text($title));
                                         $worksheet->write($rowcounter++, 2, ilExcelUtils::_convert_text($answer));
                                 }
                         }
                 }                       
         }

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◆ SurveyMultipleChoiceQuestion()

SurveyMultipleChoiceQuestion::SurveyMultipleChoiceQuestion	(	$title = `""`,
		$description = `""`,
		$author = `""`,
		$questiontext = `""`,
		$owner = `-1`,
		$orientation = `0`
	)

The constructor takes possible arguments an creates an instance of the SurveyMultipleChoiceQuestion object.

Parameters

string	$title	A title string to describe the question
string	$description	A description string to describe the question
string	$author	A string containing the name of the questions author
integer	$owner	A numerical ID to identify the owner/creator public

Definition at line 55 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$author, SurveyQuestion\$description, SurveyQuestion\$orientation, SurveyQuestion\$owner, SurveyQuestion\$questiontext, SurveyQuestion\$title, and SurveyQuestion\SurveyQuestion().

         {
                 $this->SurveyQuestion($title, $description, $author, $questiontext, $owner);
                 $this->orientation = $orientation;
                 include_once "./Modules/SurveyQuestionPool/classes/class.SurveyCategories.php";
                 $this->categories = new SurveyCategories();
         }

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◆ toXML()

SurveyMultipleChoiceQuestion::toXML	(	$a_include_header = `TRUE`,
		$obligatory_state = `""`
	)

Returns an xml representation of the question.

Returns: string The xml representation of the question public

Definition at line 229 of file class.SurveyMultipleChoiceQuestion.php.

References insertXML(), and ilXmlWriter\xmlHeader().

         {
                 include_once("./Services/Xml/classes/class.ilXmlWriter.php");
                 $a_xml_writer = new ilXmlWriter;
                 $a_xml_writer->xmlHeader();
                 $this->insertXML($a_xml_writer, $a_include_header, $obligatory_state);
                 $xml = $a_xml_writer->xmlDumpMem(FALSE);
                 if (!$a_include_header)
                 {
                         $pos = strpos($xml, "?>");
                         $xml = substr($xml, $pos + 2);
                 }
                 return $xml;
         }

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◆ usableForPrecondition()

SurveyMultipleChoiceQuestion::usableForPrecondition ( )

Returns if the question is usable for preconditions.

Returns: boolean TRUE if the question is usable for a precondition, FALSE otherwise public

Definition at line 905 of file class.SurveyMultipleChoiceQuestion.php.

         {
                 return TRUE;
         }

Field Documentation

◆ $categories

SurveyMultipleChoiceQuestion::$categories

Definition at line 44 of file class.SurveyMultipleChoiceQuestion.php.

Referenced by getCategories().

The documentation for this class was generated from the following file:

Modules/SurveyQuestionPool/classes/class.SurveyMultipleChoiceQuestion.php

Public Member Functions

Data Fields

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ _getQuestionDataArray()

◆ addUserSpecificResultsData()

◆ addUserSpecificResultsExportTitles()

◆ checkUserInput()

◆ getAdditionalTableName()

◆ getAvailableRelations()

◆ getCategories()

◆ getCumulatedResults()

◆ getPreconditionOptions()

◆ getPreconditionSelectValue()

◆ getPreconditionValueOutput()

◆ getQuestionType()

◆ getUserAnswers()

◆ getWorkingDataFromUserInput()

◆ importAdditionalMetadata()

◆ importResponses()

◆ insertXML()

◆ isComplete()

◆ loadFromDb()

◆ saveCategoriesToDb()

◆ saveRandomData()

◆ saveToDb()

◆ saveUserInput()

◆ setExportDetailsXLS()

◆ SurveyMultipleChoiceQuestion()

◆ toXML()

◆ usableForPrecondition()

Field Documentation

◆ $categories