SurveyMetricQuestion Class Reference

Metric survey question. More...

Inheritance diagram for SurveyMetricQuestion:

Collaboration diagram for SurveyMetricQuestion:

Public Member Functions
	__construct ($title="", $description="", $author="", $questiontext="", $owner=-1, $subtype=self::SUBTYPE_NON_RATIO)
	SurveyMetricQuestion constructor. More...
	setSubtype ($subtype=self::SUBTYPE_NON_RATIO)
	Sets the question subtype. More...
	setMinimum ($minimum=0)
	Sets the minimum value. More...
	setMaximum ($maximum="")
	Sets the maximum value. More...
	getSubtype ()
	Gets the question subtype. More...
	getMinimum ()
	Returns the minimum value of the question. More...
	getMaximum ()
	Returns the maximum value of the question. More...
	getQuestionDataArray ($id)
	Returns the question data fields from the database. More...
	loadFromDb ($id)
	Loads a SurveyMetricQuestion object from the database. More...
	isComplete ()
	Returns true if the question is complete for use. More...
	saveToDb ($original_id="")
	Saves a SurveyMetricQuestion object to a database. More...
	toXML ($a_include_header=true, $obligatory_state="")
	Returns an xml representation of the question. More...
	insertXML (&$a_xml_writer, $a_include_header=true)
	Adds the question XML to a given XMLWriter object. More...
	getQuestionTypeID ()
	Returns the question type ID of the question. More...
	getQuestionType ()
	Returns the question type of the question. More...
	getAdditionalTableName ()
	Returns the name of the additional question data table in the database. More...
&	getWorkingDataFromUserInput ($post_data)
	Creates the user data of the svy_answer table from the POST data. More...
	checkUserInput ($post_data, $survey_id)
	Checks the input of the active user for obligatory status and entered values. More...
	saveUserInput ($post_data, $active_id, $a_return=false)
	importResponses ($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...
	outPreconditionSelectValue (&$template)
	Creates a value selection for preconditions. More...
	getPreconditionSelectValue ($default="", $title, $variable)
	Creates a form property for the precondition value. More...
	getMinMaxText ()
	Creates a text for the input range of the metric question. More...
Public Member Functions inherited from SurveyQuestion
	__construct ($title="", $description="", $author="", $questiontext="", $owner=-1)
	SurveyQuestion constructor The constructor takes possible arguments an creates an instance of the SurveyQuestion object. More...
	setComplete ($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="", $a_survey_id=0)
	Duplicates a survey question. More...
	copyObject ($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 ($question_id)
	Loads a SurveyQuestion object from the database. More...
	saveCompletionStatus ($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 ($question_id)
	Deletes a question and all materials from the database. More...
	syncWithOriginal ()
	getPhrase ($phrase_id)
	Returns a phrase for a given database id. More...
	phraseExists ($title)
	Returns true if the phrase title already exists for the current user. More...
	addInternalLink ($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, $material_title="")
	Sets a material link for the question. More...
	getQuestionTypeID ()
	Returns the question type ID of the question. More...
	getQuestionType ()
	Returns the question type of the question. More...
	isHTML ($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...
&	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 ($a_data)
	Import matrix rows from the question import file. More...
	usableForPrecondition ()
	Returns if the question is usable for preconditions. More...
	getAvailableRelations ()
	Returns the available relations for the question. More...
	getPreconditionOptions ()
	Returns the options for preconditions. More...
	getPreconditionValueOutput ($value)
	Returns the output for a precondition value. More...
	getPreconditionSelectValue ($default="", $title, $variable)
	Creates a form property for the precondition value. More...
	setOriginalId ($original_id)
	getOriginalId ()
	getMaterial ()
	setSubtype ($a_subtype)
	getSubtype ()
	__get ($value)
	Object getter. More...
	__set ($key, $value)
	Object setter. More...
	getCopyIds ($a_group_by_survey=false)
	hasCopies ()
	stripSlashesAddSpaceFallback ($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...

Data Fields
const	SUBTYPE_NON_RATIO = 3
const	SUBTYPE_RATIO_NON_ABSOLUTE = 4
const	SUBTYPE_RATIO_ABSOLUTE = 5
	$subtype
	$minimum
	$maximum
Data Fields inherited from SurveyQuestion
	$id
	$title
	$description
	$owner
	$author
	$materials
	$survey_id
	$obj_id
	$questiontext
	$obligatory
	$lng
	$orientation
	$material
	$complete

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

Additional Inherited Members
Static Public Member Functions inherited from SurveyQuestion
static	_isComplete ($question_id)
	Checks whether the question is complete or not. More...
static	_getQuestionType ($question_id)
	Returns the question type of a question with a given id. More...
static	_getTitle ($question_id)
	Returns the question title of a question with a given id. More...
static	_getOriginalId ($question_id, $a_return_question_id_if_no_original=true)
	Returns the original id of a question. More...
static	_questionExists ($question_id)
	Returns true if the question already exists in the database. More...
static	_resolveInternalLink ($internal_link)
static	_resolveIntLinks ($question_id)
static	_getInternalLinkHref ($target="", $a_parent_ref_id=null)
static	_isWriteable ($question_id, $user_id)
	Returns true if the question is writeable by a certain user. More...
static	_includeClass ($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	_instanciateQuestion ($question_id)
	Creates an instance of a question with a given question id. More...
static	_instanciateQuestionGUI ($question_id)
	Creates an instance of a question GUI with a given question id. More...
static	_instanciateQuestionEvaluation ($question_id, array $a_finished_ids=null)
	Creates an instance of a question evaluation with a given question id. More...
static	_changeOriginalId ($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...
static	getMaxSumScore (int $survey_id)
	Get max sum score for specific survey (and this question type) More...

Detailed Description

Metric survey question.

The SurveyMetricQuestion class defines and encapsulates basic methods and attributes for metric 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 13 of file class.SurveyMetricQuestion.php.

Constructor & Destructor Documentation

__construct()

SurveyMetricQuestion::__construct	(		$title = "",
			$description = "",
			$author = "",
			$questiontext = "",
			$owner = -1,
			$subtype = self::SUBTYPE_NON_RATIO
	)

SurveyMetricQuestion constructor.

The constructor takes possible arguments an creates an instance of the SurveyMetricQuestion 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 @access public

Definition at line 58 of file class.SurveyMetricQuestion.php.

    {
        global $DIC;
 
        $this->db = $DIC->database();
        parent::__construct($title, $description, $author, $questiontext, $owner);
        
        $this->subtype = $subtype;
        $this->minimum = "";
        $this->maximum = "";
    }

References SurveyQuestion\$author, SurveyQuestion\$description, $DIC, SurveyQuestion\$owner, SurveyQuestion\$questiontext, $subtype, SurveyQuestion\$title, and ILIAS\GlobalScreen\Provider\__construct().

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Member Function Documentation

checkUserInput()

SurveyMetricQuestion::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 @access public

Definition at line 464 of file class.SurveyMetricQuestion.php.

    {
        $entered_value = $post_data[$this->getId() . "_metric_question"];
        // replace german notation with international notation
        $entered_value = str_replace(",", ".", $entered_value);
        
        if ((!$this->getObligatory($survey_id)) && (strlen($entered_value) == 0)) {
            return "";
        }
        
        if (strlen($entered_value) == 0) {
            return $this->lng->txt("survey_question_obligatory");
        }
        
        if (strlen($this->getMinimum())) {
            if ($entered_value < $this->getMinimum()) {
                return $this->lng->txt("metric_question_out_of_bounds");
            }
        }
 
        if (strlen($this->getMaximum())) {
            if (($this->getMaximum() == 1) && ($this->getMaximum() < $this->getMinimum())) {
                // old &infty; values as maximum
            } else {
                if ($entered_value > $this->getMaximum()) {
                    return $this->lng->txt("metric_question_out_of_bounds");
                }
            }
        }
 
        if (!is_numeric($entered_value)) {
            return $this->lng->txt("metric_question_not_a_value");
        }
 
        if (($this->getSubType() == self::SUBTYPE_RATIO_ABSOLUTE) && (intval($entered_value) != doubleval($entered_value))) {
            return $this->lng->txt("metric_question_floating_point");
        }
        return "";
    }

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

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getAdditionalTableName()

SurveyMetricQuestion::getAdditionalTableName

(

)

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

Returns

string The additional table name @access public

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

    {
        return "svy_qst_metric";
    }

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

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getAvailableRelations()

SurveyMetricQuestion::getAvailableRelations

(

)

Returns the available relations for the question.

Returns

array An array containing the available relations @access public

Reimplemented from SurveyQuestion.

Definition at line 564 of file class.SurveyMetricQuestion.php.

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

getMaximum()

SurveyMetricQuestion::getMaximum

(

)

Returns the maximum value of the question.

Returns

double The maximum value of the question @access public

See also

$maximum

Definition at line 152 of file class.SurveyMetricQuestion.php.

    {
        return (strlen($this->maximum)) ? $this->maximum : null;
    }

Referenced by checkUserInput(), getMinMaxText(), insertXML(), and saveToDb().

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getMinimum()

SurveyMetricQuestion::getMinimum

(

)

Returns the minimum value of the question.

Returns

double The minimum value of the question @access public

See also

$minimum

Definition at line 137 of file class.SurveyMetricQuestion.php.

    {
        if ((strlen($this->minimum) == 0) && ($this->getSubtype() > 3)) {
            $this->minimum = 0;
        }
        return (strlen($this->minimum)) ? $this->minimum : null;
    }

References getSubtype().

Referenced by checkUserInput(), getMinMaxText(), insertXML(), and saveToDb().

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getMinMaxText()

SurveyMetricQuestion::getMinMaxText

(

)

Creates a text for the input range of the metric question.

Returns

string Range text @access private

Definition at line 601 of file class.SurveyMetricQuestion.php.

    {
        $min = $this->getMinimum();
        $max = $this->getMaximum();
        if (strlen($min) && strlen($max)) {
            return "(" . $min . " " . strtolower($this->lng->txt("to")) . " " . $max . ")";
        } elseif (strlen($min)) {
            return "(>= " . $min . ")";
        } elseif (strlen($max)) {
            return "(<= " . $max . ")";
        } else {
            return "";
        }
    }

References getMaximum(), and getMinimum().

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getPreconditionSelectValue()

SurveyMetricQuestion::getPreconditionSelectValue	(		$default = "",
			$title,
			$variable
	)

Creates a form property for the precondition value.

Returns

The ILIAS form element @access public

Reimplemented from SurveyQuestion.

Definition at line 588 of file class.SurveyMetricQuestion.php.

    {
        $step3 = new ilNumberInputGUI($title, $variable);
        $step3->setValue($default);
        return $step3;
    }

References SurveyQuestion\$title.

getQuestionDataArray()

SurveyMetricQuestion::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 @access public

Reimplemented from SurveyQuestion.

Definition at line 164 of file class.SurveyMetricQuestion.php.

    {
        $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);
        } else {
            return array();
        }
    }

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

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getQuestionType()

SurveyMetricQuestion::getQuestionType

(

)

Returns the question type of the question.

Returns

integer The question type of the question @access public

Reimplemented from SurveyQuestion.

Definition at line 423 of file class.SurveyMetricQuestion.php.

    {
        return "SurveyMetricQuestion";
    }

Referenced by getQuestionTypeID().

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getQuestionTypeID()

SurveyMetricQuestion::getQuestionTypeID

(

)

Returns the question type ID of the question.

Returns

integer The question type of the question @access public

Reimplemented from SurveyQuestion.

Definition at line 405 of file class.SurveyMetricQuestion.php.

    {
        $ilDB = $this->db;
        $result = $ilDB->queryF(
            "SELECT questiontype_id FROM svy_qtype WHERE type_tag = %s",
            array('text'),
            array($this->getQuestionType())
        );
        $row = $ilDB->fetchAssoc($result);
        return $row["questiontype_id"];
    }

References $db, $ilDB, $result, and getQuestionType().

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getSubtype()

SurveyMetricQuestion::getSubtype

(

)

Gets the question subtype.

Returns

integer The question subtype @access public

See also

$subtype

Reimplemented from SurveyQuestion.

Definition at line 125 of file class.SurveyMetricQuestion.php.

    {
        return $this->subtype;
    }

References $subtype.

Referenced by getMinimum(), and insertXML().

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getWorkingDataFromUserInput()

& SurveyMetricQuestion::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 @access public

Reimplemented from SurveyQuestion.

Definition at line 445 of file class.SurveyMetricQuestion.php.

    {
        $entered_value = $post_data[$this->getId() . "_metric_question"];
        $data = array();
        if (strlen($entered_value)) {
            array_push($data, array("value" => $entered_value));
        }
        return $data;
    }

References $data, and SurveyQuestion\getId().

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importResponses()

SurveyMetricQuestion::importResponses

(

$a_data

)

Import response data from the question import file.

Returns

array $a_data Array containing the response data @access public

Reimplemented from SurveyQuestion.

Definition at line 539 of file class.SurveyMetricQuestion.php.

    {
        foreach ($a_data as $id => $data) {
            $this->setMinimum($data["min"]);
            $this->setMaximum($data["max"]);
        }
    }

References $data, SurveyQuestion\$id, setMaximum(), and setMinimum().

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insertXML()

SurveyMetricQuestion::insertXML	(	&	$a_xml_writer,
			$a_include_header = true
	)

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 @access public

Definition at line 320 of file class.SurveyMetricQuestion.php.

    {
        $attrs = array(
            "id" => $this->getId(),
            "title" => $this->getTitle(),
            "type" => $this->getQuestiontype(),
            "subtype" => $this->getSubtype(),
            "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());
        $a_xml_writer->xmlStartTag("questiontext");
        $this->addMaterialTag($a_xml_writer, $this->getQuestiontext());
        $a_xml_writer->xmlEndTag("questiontext");
 
        $a_xml_writer->xmlStartTag("responses");
        switch ($this->getSubtype()) {
            case 3:
                $attrs = array(
                    "id" => "0",
                    "format" => "double"
                );
                if (strlen($this->getMinimum())) {
                    $attrs["min"] = $this->getMinimum();
                }
                if (strlen($this->getMaximum())) {
                    $attrs["max"] = $this->getMaximum();
                }
                break;
            case 4:
                $attrs = array(
                    "id" => "0",
                    "format" => "double"
                );
                if (strlen($this->getMinimum())) {
                    $attrs["min"] = $this->getMinimum();
                }
                if (strlen($this->getMaximum())) {
                    $attrs["max"] = $this->getMaximum();
                }
                break;
            case 5:
                $attrs = array(
                    "id" => "0",
                    "format" => "integer"
                );
                if (strlen($this->getMinimum())) {
                    $attrs["min"] = $this->getMinimum();
                }
                if (strlen($this->getMaximum())) {
                    $attrs["max"] = $this->getMaximum();
                }
                break;
        }
        $a_xml_writer->xmlStartTag("response_num", $attrs);
        $a_xml_writer->xmlEndTag("response_num");
 
        $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->xmlEndTag("question");
    }

References SurveyQuestion\addMaterialTag(), SurveyQuestion\getAuthor(), SurveyQuestion\getDescription(), SurveyQuestion\getId(), getMaximum(), getMinimum(), SurveyQuestion\getObligatory(), SurveyQuestion\getQuestiontext(), getSubtype(), SurveyQuestion\getTitle(), and IL_INST_ID.

Referenced by toXML().

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isComplete()

SurveyMetricQuestion::isComplete

(

)

Returns true if the question is complete for use.

Returns

boolean True if the question is complete for use, otherwise false @access public

Reimplemented from SurveyQuestion.

Definition at line 235 of file class.SurveyMetricQuestion.php.

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

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

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loadFromDb()

SurveyMetricQuestion::loadFromDb

(

$id

)

Loads a SurveyMetricQuestion object from the database.

Parameters

integer

$id

The database id of the metric survey question @access public

Reimplemented from SurveyQuestion.

Definition at line 186 of file class.SurveyMetricQuestion.php.

    {
        $ilDB = $this->db;
 
        $result = $ilDB->queryF(
            "SELECT svy_question.*, " . $this->getAdditionalTableName() . ".* FROM svy_question LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = svy_question.question_id WHERE svy_question.question_id = %s",
            array('integer'),
            array($id)
        );
        if ($result->numRows() == 1) {
            $data = $ilDB->fetchAssoc($result);
            $this->setId($data["question_id"]);
            $this->setTitle($data["title"]);
            $this->setDescription($data["description"]);
            $this->setObjId($data["obj_fi"]);
            $this->setAuthor($data["author"]);
            $this->setOwner($data["owner_fi"]);
            $this->label = $data['label'];
            $this->setQuestiontext(ilRTE::_replaceMediaObjectImageSrc($data["questiontext"], 1));
            $this->setObligatory($data["obligatory"]);
            $this->setComplete($data["complete"]);
            $this->setOriginalId($data["original_id"]);
            $this->setSubtype($data["subtype"]);
 
            $result = $ilDB->queryF(
                "SELECT svy_variable.* FROM svy_variable WHERE svy_variable.question_fi = %s",
                array('integer'),
                array($id)
            );
            if ($result->numRows() > 0) {
                if ($data = $ilDB->fetchAssoc($result)) {
                    $this->minimum = $data["value1"];
                    if (($data["value2"] < 0) or (strcmp($data["value2"], "") == 0)) {
                        $this->maximum = "";
                    } else {
                        $this->maximum = $data["value2"];
                    }
                }
            }
        }
        parent::loadFromDb($id);
    }

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

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outPreconditionSelectValue()

SurveyMetricQuestion::outPreconditionSelectValue

(

&

$template

)

Creates a value selection for preconditions.

Parameters

object

$template

The template for the value selection (usually tpl.svy_svy_add_constraint.html) @access public

Definition at line 575 of file class.SurveyMetricQuestion.php.

    {
        $template->setCurrentBlock("textfield");
        $template->setVariable("TEXTFIELD_VALUE", "");
        $template->parseCurrentBlock();
    }

saveToDb()

SurveyMetricQuestion::saveToDb

(

$original_id = ""

)

Saves a SurveyMetricQuestion object to a database.

@access public

Reimplemented from SurveyQuestion.

Definition at line 253 of file class.SurveyMetricQuestion.php.

    {
        $ilDB = $this->db;
 
        $affectedRows = parent::saveToDb($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 " . $this->getAdditionalTableName() . " (question_fi, subtype) VALUES (%s, %s)",
                array('integer', 'text'),
                array($this->getId(), $this->getSubType())
            );
 
            // saving material uris in the database
            $this->saveMaterial();
            
            // save categories
            $affectedRows = $ilDB->manipulateF(
                "DELETE FROM svy_variable WHERE question_fi = %s",
                array('integer'),
                array($this->getId())
            );
 
            if (preg_match("/[\D]/", $this->maximum) or (strcmp($this->maximum, "∞") == 0)) {
                $max = -1;
            } else {
                $max = $this->getMaximum();
            }
            $next_id = $ilDB->nextId('svy_variable');
            $affectedRows = $ilDB->manipulateF(
                "INSERT INTO svy_variable (variable_id, category_fi, question_fi, value1, value2, sequence, tstamp) VALUES (%s, %s, %s, %s, %s, %s, %s)",
                array('integer','integer','integer','float','float','integer','integer'),
                array($next_id, 0, $this->getId(), $this->getMinimum(), $max, 0, time())
            );
        }
    }

References $db, $ilDB, getAdditionalTableName(), SurveyQuestion\getId(), getMaximum(), getMinimum(), and SurveyQuestion\saveMaterial().

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saveUserInput()

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

Definition at line 504 of file class.SurveyMetricQuestion.php.

    {
        $ilDB = $this->db;
        
        $entered_value = $post_data[$this->getId() . "_metric_question"];
        
        // replace german notation with international notation
        $entered_value = str_replace(",", ".", $entered_value);
        
        if ($a_return) {
            return array(array("value" => $entered_value, "textanswer" => null));
        }
        if (strlen($entered_value) == 0) {
            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", null);
        $fields['tstamp'] = array("integer", time());
 
        $affectedRows = $ilDB->insert("svy_answer", $fields);
    }

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

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setMaximum()

SurveyMetricQuestion::setMaximum

(

$maximum = ""

)

Sets the maximum value.

Parameters

double

$maximum

The maximum value @access public

See also

$maximum

Definition at line 107 of file class.SurveyMetricQuestion.php.

    {
        if ($maximum !== null) {
            $maximum = (float) $maximum;
        }
        if (!$maximum) {
            $maximum = null;
        }
        $this->maximum = $maximum;
    }

References $maximum.

Referenced by importResponses().

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setMinimum()

SurveyMetricQuestion::setMinimum

(

$minimum = 0

)

Sets the minimum value.

Parameters

double

$minimum

The minimum value @access public

See also

$minimum

Definition at line 89 of file class.SurveyMetricQuestion.php.

    {
        if ($minimum !== null) {
            $minimum = (float) $minimum;
        }
        if (!$minimum) {
            $minimum = null;
        }
        $this->minimum = $minimum;
    }

References $minimum.

Referenced by importResponses().

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setSubtype()

SurveyMetricQuestion::setSubtype

(

$subtype = self::SUBTYPE_NON_RATIO

)

Sets the question subtype.

Parameters

integer

$subtype

The question subtype @access public

See also

$subtype

Reimplemented from SurveyQuestion.

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

    {
        $this->subtype = $subtype;
    }

References $subtype.

Referenced by loadFromDb().

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toXML()

SurveyMetricQuestion::toXML	(		$a_include_header = true,
			$obligatory_state = ""
	)

Returns an xml representation of the question.

Returns

string The xml representation of the question @access public

Definition at line 300 of file class.SurveyMetricQuestion.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;
    }

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

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usableForPrecondition()

SurveyMetricQuestion::usableForPrecondition

(

)

Returns if the question is usable for preconditions.

Returns

boolean TRUE if the question is usable for a precondition, FALSE otherwise @access public

Reimplemented from SurveyQuestion.

Definition at line 553 of file class.SurveyMetricQuestion.php.

    {
        return true;
    }

Field Documentation

$db

SurveyMetricQuestion::$db

protected

Definition at line 18 of file class.SurveyMetricQuestion.php.

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

$maximum

SurveyMetricQuestion::$maximum

Definition at line 45 of file class.SurveyMetricQuestion.php.

Referenced by setMaximum().

$minimum

SurveyMetricQuestion::$minimum

Definition at line 38 of file class.SurveyMetricQuestion.php.

Referenced by setMinimum().

$subtype

SurveyMetricQuestion::$subtype

Definition at line 31 of file class.SurveyMetricQuestion.php.

Referenced by __construct(), getSubtype(), and setSubtype().

SUBTYPE_NON_RATIO

const SurveyMetricQuestion::SUBTYPE_NON_RATIO = 3

Definition at line 20 of file class.SurveyMetricQuestion.php.

Referenced by SurveyMetricQuestionGUI\addFieldsToEditForm().

SUBTYPE_RATIO_ABSOLUTE

const SurveyMetricQuestion::SUBTYPE_RATIO_ABSOLUTE = 5

Definition at line 22 of file class.SurveyMetricQuestion.php.

Referenced by SurveyMetricQuestionGUI\addFieldsToEditForm().

SUBTYPE_RATIO_NON_ABSOLUTE

const SurveyMetricQuestion::SUBTYPE_RATIO_NON_ABSOLUTE = 4

Definition at line 21 of file class.SurveyMetricQuestion.php.

Referenced by SurveyMetricQuestionGUI\addFieldsToEditForm().

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

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