SurveyMultipleChoiceQuestion Class Reference

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Inheritance diagram for SurveyMultipleChoiceQuestion:

Collaboration diagram for SurveyMultipleChoiceQuestion:

Public Member Functions
	__construct (string $title="", string $description="", string $author="", string $questiontext="", int $owner=-1, int $orientation=0)
	getQuestionDataArray (int $id)
	loadFromDb (int $question_id)
	isComplete ()
	saveToDb (int $original_id=0)
	saveCategoriesToDb ()
	toXML (bool $a_include_header=true, bool $obligatory_state=false)
	insertXML (ilXmlWriter $a_xml_writer, bool $a_include_header=true)
	Adds the question XML to a given XMLWriter object. More...
	getQuestionType ()
	getAdditionalTableName ()
	getWorkingDataFromUserInput (array $post_data)
	checkUserInput (array $post_data, int $survey_id)
	saveUserInput (array $post_data, int $active_id, bool $a_return=false)
	importAdditionalMetadata (array $a_meta)
	importResponses (array $a_data)
	usableForPrecondition ()
	getAvailableRelations ()
	getPreconditionOptions ()
	getPreconditionSelectValue (string $default, string $title, string $variable)
	getPreconditionValueOutput (string $value)
	getCategories ()
Public Member Functions inherited from SurveyQuestion
	__construct (string $title="", string $description="", string $author="", string $questiontext="", int $owner=-1)
	setComplete (bool $a_complete)
	isComplete ()
	questionTitleExists (string $title, int $questionpool_object=0)
	setTitle (string $title="")
	setObligatory (bool $obligatory=true)
	setOrientation (int $orientation=0)
	setId (int $id=-1)
	setSurveyId (int $id=-1)
	setDescription (string $description="")
	addMaterials (string $materials_file, string $materials_name="")
	setMaterialsfile (string $materials_filename, string $materials_tempfilename="", string $materials_name="")
	Uploads and adds a material. More...
	deleteMaterial (string $materials_name="")
	flushMaterials ()
	Deletes all materials uris. More...
	setAuthor (string $author="")
	setQuestiontext (string $questiontext="")
	setOwner (int $owner=0)
	getTitle ()
	getLabel ()
	getId ()
	getObligatory ()
	getSurveyId ()
	getOrientation ()
	getDescription ()
	getAuthor ()
	getOwner ()
	getQuestiontext ()
	getObjId ()
	Get the reference(?) id of the container object. More...
	setObjId (int $obj_id=0)
	Set the reference(?) id of the container object. More...
	duplicate (bool $for_survey=true, string $title="", string $author="", int $owner=0, int $a_survey_id=0)
	copyObject (int $target_questionpool, string $title="")
	copyXHTMLMediaObjectsOfQuestion (int $a_q_id)
	Copy media object usages from other question. More...
	loadFromDb (int $question_id)
	load question data into object note: this base implementation only loads the material data More...
	saveCompletionStatus (int $original_id=0)
	Saves the complete flag to the database. More...
	saveToDb (int $original_id=0)
	Saves a SurveyQuestion object to a database. 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...
	getImagePath ()
	Returns the image path for web accessible images of a question. More...
	getMaterialsPath ()
	Returns the materials path for web accessible materials of a question. More...
	getImagePathWeb ()
	Returns the web image path for web accessible images of a question. More...
	getMaterialsPathWeb ()
	Returns the web image path for web accessable images of a question. More...
	saveCategoryToDb (string $categorytext, int $neutral=0)
	Saves a category to the database. More...
	deleteAdditionalTableData (int $question_id)
	Deletes datasets from the additional question table in the database. More...
	delete (int $question_id)
	Deletes a question and all materials from the database. More...
	syncWithOriginal ()
	getQuestionTypeID ()
	getQuestionType ()
	isHTML (string $a_text)
	QTIMaterialToString (ilQTIMaterial $a_material)
	Reads an QTI material tag an creates a text string. More...
	addMaterialTag (ilXmlWriter $a_xml_writer, string $a_material, bool $close_material_tag=true, bool $add_mobs=true, ?array $a_attrs=null)
	Creates an XML material tag from a plain text or xhtml text. More...
	prepareTextareaOutput (string $txt_output, bool $prepare_for_latex_output=false)
	Prepares string for a text area output in surveys. More...
	getQuestionDataArray (int $id)
	Returns the question data. More...
	getWorkingDataFromUserInput (array $post_data)
	Creates the user data of the svy_answer table from the POST data. More...
	importAdditionalMetadata (array $a_meta)
	Import additional meta data from the question import file. More...
	importResponses (array $a_data)
	Import response data from the question import file. More...
	importAdjectives (array $a_data)
	Import bipolar adjectives from the question import file. More...
	importMatrix (array $a_data)
	Import matrix rows 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...
	getPreconditionValueOutput (string $value)
	Returns the output for a precondition value. More...
	getPreconditionSelectValue (string $default, string $title, string $variable)
	Creates a form property for the precondition value. More...
	setOriginalId (?int $original_id)
	getOriginalId ()
	getMaterial ()
	setSubtype (int $a_subtype)
	getSubtype ()
	__get (string $value)
	__set (string $key, string $value)
	getCopyIds (bool $a_group_by_survey=false)
	hasCopies ()
	stripSlashesAddSpaceFallback (string $a_str)
	Strip slashes with add space fallback, see https://mantis.ilias.de/view.php?id=19727 and https://mantis.ilias.de/view.php?id=24200. More...

Static Public Member Functions
static	getMaxSumScore (int $survey_id)
Static Public Member Functions inherited from SurveyQuestion
static	_isComplete (int $question_id)
	Checks whether the question is complete or not. More...
static	_getQuestionType (int $question_id)
	Returns the question type of a question with a given id. More...
static	_getTitle (int $question_id)
	Returns the question title of a question with a given id. More...
static	_getOriginalId (int $question_id, bool $a_return_question_id_if_no_original=true)
	Returns the original id of a question. More...
static	_questionExists (int $question_id)
static	_resolveInternalLink (string $internal_link)
static	_resolveIntLinks (int $question_id)
static	_getInternalLinkHref (string $target="", int $a_parent_ref_id=null)
static	_isWriteable (int $question_id, int $user_id)
	is question writeable by a certain user More...
static	_includeClass (string $question_type, int $gui=0)
	Include the php class file for a given question type. More...
static	_getQuestionTypeName (string $type_tag)
	Return the translation for a given question type. More...
static	_instanciateQuestion (int $question_id)
	Get question object. More...
static	_instanciateQuestionGUI (int $question_id)
	Get question gui object. More...
static	_instanciateQuestionEvaluation (int $question_id, array $a_finished_ids=null)
static	_changeOriginalId (int $a_question_id, int $a_original_id, int $a_object_id)
	Change original id of existing question in db. More...
static	_lookupSurveyObjId (int $a_question_id)
static	lookupObjFi (int $a_qid)
static	getMaxSumScore (int $survey_id)
	Get max sum score for specific survey (and this question type) More...

Data Fields
SurveyCategories	$categories
Data Fields inherited from SurveyQuestion
int	$id
string	$title
string	$description
int	$owner
string	$author
array	$materials
int	$survey_id
int	$obj_id
string	$questiontext
bool	$obligatory
ilLanguage	$lng
int	$orientation
array	$material
bool	$complete

Additional Inherited Members
Protected Attributes inherited from SurveyQuestion
int	$original_id
ILIAS SurveyQuestionPool Editing EditSessionRepository	$edit_manager
ilObjUser	$user
ilDBInterface	$db
array	$cumulated
ilLogger	$log
ILIAS SurveyQuestionPool Export ImportSessionRepository	$import_manager

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning 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

Definition at line 25 of file class.SurveyMultipleChoiceQuestion.php.

Constructor & Destructor Documentation

__construct()

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

Definition at line 29 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$author, SurveyQuestion\$description, $DIC, SurveyQuestion\$orientation, SurveyQuestion\$owner, SurveyQuestion\$questiontext, SurveyQuestion\$title, ILIAS\MetaData\Repository\Validation\Data\__construct(), and ILIAS\Repository\lng().

      {
        global $DIC;

        $this->db = $DIC->database();
        $this->lng = $DIC->language();
        parent::__construct($title, $description, $author, $questiontext, $owner);

        $this->orientation = $orientation;
        $this->categories = new SurveyCategories();
    }

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Member Function Documentation

checkUserInput()

SurveyMultipleChoiceQuestion::checkUserInput	(	array	$post_data,
		int	$survey_id
	)

Returns

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

Definition at line 312 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\getId(), SurveyQuestion\getObligatory(), ILIAS\Repository\int(), and ILIAS\Repository\lng().

     : string {
        $entered_value = (array) ($post_data[$this->getId() . "_value"] ?? []);
        if (!$this->getObligatory() && (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) !== (int) $this->nr_max_answers) {
            return sprintf($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"), $this->nr_max_answers);
        }
        if (count($entered_value) == 0) {
            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 $this->lng->txt("question_mr_no_other_answer");
                    }
                } elseif (strlen($post_data[$this->getId() . "_" . $i . "_other"] ?? "")) {
                    return $this->lng->txt("question_mr_no_other_answer_checked");
                }
            }
        }
        return "";
    }

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getAdditionalTableName()

SurveyMultipleChoiceQuestion::getAdditionalTableName

(

)

Definition at line 276 of file class.SurveyMultipleChoiceQuestion.php.

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

                                            : string
    {
        return "svy_qst_mc";
    }

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getAvailableRelations()

SurveyMultipleChoiceQuestion::getAvailableRelations

(

)

Definition at line 429 of file class.SurveyMultipleChoiceQuestion.php.

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

getCategories()

SurveyMultipleChoiceQuestion::getCategories

(

)

Definition at line 468 of file class.SurveyMultipleChoiceQuestion.php.

References $categories.

                                   : SurveyCategories
    {
        return $this->categories;
    }

getMaxSumScore()

static SurveyMultipleChoiceQuestion::getMaxSumScore ( int  $survey_id )

static

Definition at line 473 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$db, $DIC, ilDBInterface\fetchAssoc(), and ilDBInterface\queryF().

                                                         : int
    {
        global $DIC;

        // we need sum of scale values of multiple choice questions (type 1)
        $db = $DIC->database();
        $set = $db->queryF(
            "SELECT SUM(scale) sum_sum_score FROM svy_svy_qst sq " .
            "JOIN svy_question q ON (sq.question_fi = q.question_id) " .
            "JOIN svy_variable v ON (v.question_fi = q.question_id) " .
            "WHERE sq.survey_fi  = %s AND q.questiontype_fi = %s ",
            ["integer", "integer"],
            [$survey_id, 1]
        );
        $rec = $db->fetchAssoc($set);
        return (int) $rec["sum_sum_score"];
    }

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getPreconditionOptions()

SurveyMultipleChoiceQuestion::getPreconditionOptions

(

)

Definition at line 434 of file class.SurveyMultipleChoiceQuestion.php.

Referenced by getPreconditionSelectValue().

                                            : array
    {
        $options = array();
        for ($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	(	string	$default,
		string	$title,
		string	$variable
	)

Definition at line 444 of file class.SurveyMultipleChoiceQuestion.php.

References getPreconditionOptions().

     : ?ilFormPropertyGUI {
        $step3 = new ilSelectInputGUI($title, $variable);
        $options = $this->getPreconditionOptions();
        $step3->setOptions($options);
        $step3->setValue($default);
        return $step3;
    }

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getPreconditionValueOutput()

SurveyMultipleChoiceQuestion::getPreconditionValueOutput

(

string

$value

)

Definition at line 456 of file class.SurveyMultipleChoiceQuestion.php.

     : string {
        // #18136
        $category = $this->categories->getCategoryForScale((int) $value + 1);

        // #17895 - see getPreconditionOptions()
        return $category->scale .
            " - " .
            ((strlen($category->title ?? "")) ? $category->title : $this->lng->txt('other_answer'));
    }

getQuestionDataArray()

SurveyMultipleChoiceQuestion::getQuestionDataArray

(

int

$id

)

Definition at line 47 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$db, $ilDB, and getAdditionalTableName().

                                                 : array
    {
        $ilDB = $this->db;

        $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);
        }

        return array();
    }

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getQuestionType()

SurveyMultipleChoiceQuestion::getQuestionType

(

)

Definition at line 271 of file class.SurveyMultipleChoiceQuestion.php.

Referenced by insertXML().

                                     : string
    {
        return "SurveyMultipleChoiceQuestion";
    }

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getWorkingDataFromUserInput()

SurveyMultipleChoiceQuestion::getWorkingDataFromUserInput

(

array

$post_data

)

Definition at line 281 of file class.SurveyMultipleChoiceQuestion.php.

References $data, and SurveyQuestion\getId().

                                                                 : array
    {
        $entered_value = $post_data[$this->getId() . "_value"] ?? "";
        $data = array();
        if (is_array($entered_value)) {
            foreach ($entered_value as $idx => $value) {
                $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"] ?? "")) {
                        $data[] = array("value" => $i,
                                        "textanswer" => $post_data[$this->getId() . '_' . $i . '_other'] ?? "",
                                        "uncheck" => true
                        );
                    }
                }
            }
        }
        return $data;
    }

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importAdditionalMetadata()

SurveyMultipleChoiceQuestion::importAdditionalMetadata

(

array

$a_meta

)

Definition at line 387 of file class.SurveyMultipleChoiceQuestion.php.

References ILIAS\LTI\ToolProvider\$key, and SurveyQuestion\setOrientation().

                                                           : void
    {
        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

(

array

$a_data

)

Definition at line 407 of file class.SurveyMultipleChoiceQuestion.php.

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

                                                  : void
    {
        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	(	ilXmlWriter	$a_xml_writer,
		bool	$a_include_header = true
	)

Adds the question XML to a given XMLWriter object.

Definition at line 184 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\addMaterialTag(), SurveyQuestion\getAuthor(), SurveyQuestion\getDescription(), SurveyQuestion\getId(), SurveyQuestion\getObligatory(), SurveyQuestion\getOrientation(), SurveyQuestion\getQuestiontext(), getQuestionType(), SurveyQuestion\getTitle(), IL_INST_ID, ilXmlWriter\xmlElement(), ilXmlWriter\xmlEndTag(), and ilXmlWriter\xmlStartTag().

Referenced by toXML().

     : void {
        $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

(

)

Definition at line 105 of file class.SurveyMultipleChoiceQuestion.php.

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

                                : bool
    {
        return (
            $this->getTitle() !== '' &&
            $this->getAuthor() !== '' &&
            $this->getQuestiontext() !== '' &&
            $this->categories->getCategoryCount()
        );
    }

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loadFromDb()

SurveyMultipleChoiceQuestion::loadFromDb

(

int

$question_id

)

Definition at line 63 of file class.SurveyMultipleChoiceQuestion.php.

References $data, SurveyQuestion\$db, $ilDB, 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().

                                                : void
    {
        $ilDB = $this->db;

        $result = $ilDB->queryF(
            "SELECT svy_question.*, " . $this->getAdditionalTableName() . ".* FROM svy_question LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = svy_question.question_id WHERE svy_question.question_id = %s",
            array('integer'),
            array($question_id)
        );
        if ($result->numRows() === 1) {
            $data = $ilDB->fetchAssoc($result);
            $this->setId($data["question_id"]);
            $this->setTitle((string) $data["title"]);
            $this->label = (string) $data['label'];
            $this->setDescription((string) $data["description"]);
            $this->setObjId((int) $data["obj_fi"]);
            $this->setAuthor((string) $data["author"]);
            $this->setOwner((int) $data["owner_fi"]);
            $this->setQuestiontext(ilRTE::_replaceMediaObjectImageSrc((string) $data["questiontext"], 1));
            $this->setObligatory((bool) $data["obligatory"]);
            $this->setComplete((bool) $data["complete"]);
            $this->setOriginalId((int) $data["original_id"]);
            $this->setOrientation((int) $data["orientation"]);
            $this->use_min_answers = (bool) $data['use_min_answers'];
            $this->nr_min_answers = (string) $data['nr_min_answers'];
            $this->nr_max_answers = (string) $data['nr_max_answers'];

            $this->categories->flushCategories();
            $result = $ilDB->queryF(
                "SELECT svy_variable.*, svy_category.title, svy_category.neutral FROM svy_variable, svy_category WHERE svy_variable.question_fi = %s AND svy_variable.category_fi = svy_category.category_id ORDER BY sequence ASC",
                array('integer'),
                array($question_id)
            );
            if ($result->numRows() > 0) {
                while ($data = $ilDB->fetchAssoc($result)) {
                    $this->categories->addCategory((string) $data["title"], (int) $data["other"], (int) $data["neutral"], null, ($data['scale']) ?: ($data['sequence'] + 1));
                }
            }
        }
        parent::loadFromDb($question_id);
    }

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saveCategoriesToDb()

SurveyMultipleChoiceQuestion::saveCategoriesToDb

(

)

Definition at line 143 of file class.SurveyMultipleChoiceQuestion.php.

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

Referenced by saveToDb().

                                        : void
    {
        $ilDB = $this->db;

        $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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saveToDb()

SurveyMultipleChoiceQuestion::saveToDb

(

int

$original_id = 0

)

Definition at line 115 of file class.SurveyMultipleChoiceQuestion.php.

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

                                                  : int
    {
        $ilDB = $this->db;

        $affectedRows = parent::saveToDb($original_id);
        if ($affectedRows === 1) {
            $ilDB->manipulateF(
                "DELETE FROM " . $this->getAdditionalTableName() . " WHERE question_fi = %s",
                array('integer'),
                array($this->getId())
            );
            $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
                )
            );

            $this->saveCategoriesToDb();
        }
        return $affectedRows;
    }

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saveUserInput()

SurveyMultipleChoiceQuestion::saveUserInput	(	array	$post_data,
		int	$active_id,
		bool	$a_return = false
	)

Definition at line 348 of file class.SurveyMultipleChoiceQuestion.php.

References SurveyQuestion\$db, $ilDB, SurveyQuestion\getId(), and SurveyQuestion\stripSlashesAddSpaceFallback().

     : ?array {
        $ilDB = $this->db;

        if ($a_return) {
            $return_data = array();
        }
        if (is_array($post_data[$this->getId() . "_value"] ?? null)) {
            foreach ($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);
                        $fields['textanswer'] = array("clob", isset($post_data[$this->getId() . "_" . $entered_value . "_other"]) ? $this->stripSlashesAddSpaceFallback($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;
        }
        return null;
    }

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toXML()

SurveyMultipleChoiceQuestion::toXML	(	bool	$a_include_header = true,
		bool	$obligatory_state = false
	)

Definition at line 166 of file class.SurveyMultipleChoiceQuestion.php.

References insertXML().

     : string {
        $a_xml_writer = new ilXmlWriter();
        $a_xml_writer->xmlHeader();
        $this->insertXML($a_xml_writer, $a_include_header);
        $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

(

)

Definition at line 424 of file class.SurveyMultipleChoiceQuestion.php.

                                           : bool
    {
        return true;
    }

Field Documentation

$categories

SurveyCategories SurveyMultipleChoiceQuestion::$categories

Definition at line 27 of file class.SurveyMultipleChoiceQuestion.php.

Referenced by getCategories().

---

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

• Modules/SurveyQuestionPool/Questions/class.SurveyMultipleChoiceQuestion.php