Class for numeric questions. More...
Inheritance diagram for assNumeric:
Collaboration diagram for assNumeric:
Public Member Functions | |
| assNumeric ($title="", $comment="", $author="", $owner=-1, $question="") | |
| assNumeric constructor | |
| isComplete () | |
| Returns true, if a numeric question is complete for use. | |
| fromXML (&$item, &$questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping) | |
| Creates a question from a QTI file. | |
| to_xml ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false) | |
| Returns a QTI xml representation of the question. | |
| saveToDb ($original_id="") | |
| Saves a assNumeric object to a database. | |
| loadFromDb ($question_id) | |
| Loads a assNumeric object from a database. | |
| setQuestion ($question="") | |
| Sets the numeric question. | |
| addRange ($lowerlimit=0.0, $upperlimit=0.0, $points=0.0, $order=0) | |
| Adds a range to the numeric question. | |
| duplicate ($for_test=true, $title="", $author="", $owner="") | |
| Duplicates an assNumericQuestion. | |
| copyObject ($target_questionpool, $title="") | |
| Copies an assNumeric object. | |
| getQuestion () | |
| Gets the numeric question text. | |
| getRangeCount () | |
| Returns the number of ranges. | |
| getRange ($index=0) | |
| Returns a range. | |
| deleteRange ($index=0) | |
| Deletes a range. | |
| flushRanges () | |
| Deletes all ranges. | |
| getMaximumPoints () | |
| Returns the maximum points, a learner can reach answering the question. | |
| getBestRange () | |
| Returns the range with the maximum points, a learner can reach answering the question. | |
| calculateReachedPoints ($active_id, $pass=NULL) | |
| Returns the points, a learner has reached answering the question. | |
| saveWorkingData ($active_id, $pass=NULL) | |
| Saves the learners input of the question to the database. | |
| syncWithOriginal () | |
| getQuestionType () | |
| Returns the question type of the question. | |
| getMaxChars () | |
| Returns the maximum number of characters for the numeric input field. | |
| setMaxChars ($maxchars) | |
| Sets the maximum number of characters for the numeric input field. | |
| getAdditionalTableName () | |
| Returns the name of the additional question data table in the database. | |
Data Fields | |
| $question | |
| $ranges | |
| $maxchars | |
Detailed Description
Class for numeric questions.
assNumeric is a class for numeric questions. To solve a numeric question, a learner has to enter a numerical value in a defined range
- Version:
- Id:
- class.assNumeric.php 14646 2007-09-04 10:03:31Z hschottm
class.assNumeric.php Assessment
Definition at line 38 of file class.assNumeric.php.
Member Function Documentation
| assNumeric::addRange | ( | $ | lowerlimit = 0.0, |
|
| $ | upperlimit = 0.0, |
|||
| $ | points = 0.0, |
|||
| $ | order = 0 | |||
| ) |
Adds a range to the numeric question.
Adds a range to the numeric question. An assNumericRange object will be created and assigned to the array $this->ranges
- Parameters:
-
double $lowerlimit The lower limit of the range double $upperlimit The upper limit of the range double $points The points for entering a number in the correct range integer $order The display order of the range public
- See also:
- $ranges
- assNumericalRange
Definition at line 594 of file class.assNumeric.php.
References $key, and assQuestion::$points.
Referenced by fromXML().
{
$found = -1;
foreach ($this->ranges as $key => $range)
{
if ($range->getOrder() == $order)
{
$found = $order;
}
}
include_once "./assessment/classes/class.assNumericRange.php";
if ($found >= 0)
{
// insert range
$range = new assNumericRange($lowerlimit, $upperlimit, $points, $found);
array_push($this->ranges, $range);
for ($i = $found + 1; $i < count($this->ranges); $i++)
{
$this->ranges[$i] = $this->ranges[$i-1];
}
$this->ranges[$found] = $range;
}
else
{
// append range
$range = new assNumericRange($lowerlimit, $upperlimit, $points, count($this->ranges));
array_push($this->ranges, $range);
}
}
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| assNumeric::assNumeric | ( | $ | title = "", |
|
| $ | comment = "", |
|||
| $ | author = "", |
|||
| $ | owner = -1, |
|||
| $ | question = "" | |||
| ) |
assNumeric constructor
The constructor takes possible arguments an creates an instance of the assNumeric object.
- Parameters:
-
string $title A title string to describe the question string $comment A comment 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 string $question The question string of the numeric question public
- See also:
- assQuestion:assQuestion()
Definition at line 80 of file class.assNumeric.php.
References assQuestion::$author, assQuestion::$comment, assQuestion::$owner, $question, assQuestion::$title, and assQuestion::assQuestion().
{
$this->assQuestion($title, $comment, $author, $owner);
$this->question = $question;
$this->ranges = array();
$this->maxchars = 6;
}
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| assNumeric::calculateReachedPoints | ( | $ | active_id, | |
| $ | pass = NULL | |||
| ) |
Returns the points, a learner has reached answering the question.
Returns the points, a learner has reached answering the question The points are calculated from the given answers including checks for all special scoring options in the test container.
- Parameters:
-
integer $user_id The database ID of the learner integer $test_id The database Id of the test containing the question public
Definition at line 857 of file class.assNumeric.php.
References $data, $key, assQuestion::$points, $query, $result, assQuestion::getId(), and assQuestion::getSolutionMaxPass().
{
global $ilDB;
$found_values = array();
if (is_null($pass))
{
$pass = $this->getSolutionMaxPass($active_id);
}
$query = sprintf("SELECT * FROM tst_solutions WHERE active_fi = %s AND question_fi = %s AND pass = %s",
$ilDB->quote($active_id . ""),
$ilDB->quote($this->getId() . ""),
$ilDB->quote($pass . "")
);
$result = $ilDB->query($query);
$data = $result->fetchRow(DB_FETCHMODE_ASSOC);
$enteredvalue = $data["value1"];
if (!is_numeric($enteredvalue)) return 0;
$points = 0;
foreach ($this->ranges as $key => $range)
{
if ($points == 0)
{
if ($range->contains($enteredvalue))
{
$points = $range->getPoints();
}
}
}
$points = parent::calculateReachedPoints($active_id, $pass = NULL, $points);
return $points;
}
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| assNumeric::copyObject | ( | $ | target_questionpool, | |
| $ | title = "" | |||
| ) |
Copies an assNumeric object.
Copies an assNumeric object
public
Definition at line 687 of file class.assNumeric.php.
References assQuestion::$title, assQuestion::_getOriginalId(), and assQuestion::getObjId().
{
if ($this->id <= 0)
{
// The question has not been saved. It cannot be duplicated
return;
}
// duplicate the question in database
$clone = $this;
include_once ("./assessment/classes/class.assQuestion.php");
$original_id = assQuestion::_getOriginalId($this->id);
$clone->id = -1;
$source_questionpool = $this->getObjId();
$clone->setObjId($target_questionpool);
if ($title)
{
$clone->setTitle($title);
}
$clone->saveToDb();
// copy question page content
$clone->copyPageOfQuestion($original_id);
// copy XHTML media objects
$clone->copyXHTMLMediaObjectsOfQuestion($original_id);
return $clone->id;
}
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| assNumeric::deleteRange | ( | $ | index = 0 |
) |
Deletes a range.
Deletes a range with a given index. The index of the first range is 0, the index of the second range is 1 and so on.
- Parameters:
-
integer $index A nonnegative index of the n-th range public
- See also:
- $ranges
Definition at line 773 of file class.assNumeric.php.
{
if ($index < 0) return;
if (count($this->ranges) < 1) return;
if ($index >= count($this->ranges)) return;
unset($this->ranges[$index]);
$this->ranges = array_values($this->ranges);
for ($i = 0; $i < count($this->ranges); $i++)
{
if ($this->ranges[$i]->getOrder() > $index)
{
$this->ranges[$i]->setOrder($i);
}
}
}
| assNumeric::duplicate | ( | $ | for_test = true, |
|
| $ | title = "", |
|||
| $ | author = "", |
|||
| $ | owner = "" | |||
| ) |
Duplicates an assNumericQuestion.
Duplicates an assNumericQuestion
public
Definition at line 636 of file class.assNumeric.php.
References assQuestion::$author, assQuestion::$owner, assQuestion::$title, assQuestion::_getOriginalId(), and assQuestion::getId().
Referenced by fromXML().
{
if ($this->id <= 0)
{
// The question has not been saved. It cannot be duplicated
return;
}
// duplicate the question in database
$this_id = $this->getId();
$clone = $this;
include_once ("./assessment/classes/class.assQuestion.php");
$original_id = assQuestion::_getOriginalId($this->id);
$clone->id = -1;
if ($title)
{
$clone->setTitle($title);
}
if ($author)
{
$clone->setAuthor($author);
}
if ($owner)
{
$clone->setOwner($owner);
}
if ($for_test)
{
$clone->saveToDb($original_id);
}
else
{
$clone->saveToDb();
}
// copy question page content
$clone->copyPageOfQuestion($this_id);
// copy XHTML media objects
$clone->copyXHTMLMediaObjectsOfQuestion($this_id);
return $clone->id;
}
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| assNumeric::flushRanges | ( | ) |
Deletes all ranges.
Deletes all ranges
public
- See also:
- $ranges
Definition at line 797 of file class.assNumeric.php.
{
$this->ranges = array();
}
| assNumeric::fromXML | ( | &$ | item, | |
| &$ | questionpool_id, | |||
| &$ | tst_id, | |||
| &$ | tst_object, | |||
| &$ | question_counter, | |||
| &$ | import_mapping | |||
| ) |
Creates a question from a QTI file.
Receives parameters from a QTI parser and creates a valid ILIAS question object
- Parameters:
-
object $item The QTI item object integer $questionpool_id The id of the parent questionpool integer $tst_id The id of the parent test if the question is part of a test object $tst_object A reference to the parent test object integer $question_counter A reference to a question counter to count the questions of an imported question pool array $import_mapping An array containing references to included ILIAS objects public
Definition at line 127 of file class.assNumeric.php.
References $_SESSION, $maxchars, assQuestion::$points, ilObjQuestionPool::_getImportDirectory(), ilObjTest::_getImportDirectory(), ilRTE::_replaceMediaObjectImageSrc(), ilObjMediaObject::_saveTempFileAsMediaObject(), ilObjMediaObject::_saveUsage(), addRange(), duplicate(), getContent(), assQuestion::getId(), getQuestion(), assQuestion::QTIMaterialToString(), saveToDb(), assQuestion::setAuthor(), assQuestion::setComment(), assQuestion::setEstimatedWorkingTime(), setMaxChars(), assQuestion::setObjId(), assQuestion::setOwner(), setQuestion(), assQuestion::setSuggestedSolution(), and assQuestion::setTitle().
{
global $ilUser;
// empty session variable for imported xhtml mobs
unset($_SESSION["import_mob_xhtml"]);
$presentation = $item->getPresentation();
$duration = $item->getDuration();
$now = getdate();
$maxchars = 0;
$points = 0;
$upperlimit = 0;
$lowerlimit = 0;
$created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
foreach ($presentation->order as $entry)
{
switch ($entry["type"])
{
case "response":
$response = $presentation->response[$entry["index"]];
$rendertype = $response->getRenderType();
switch (strtolower(get_class($rendertype)))
{
case "ilqtirenderfib":
$maxchars = $rendertype->getMaxchars();
break;
}
break;
}
}
foreach ($item->resprocessing as $resprocessing)
{
foreach ($resprocessing->respcondition as $respcondition)
{
$conditionvar = $respcondition->getConditionvar();
foreach ($conditionvar->order as $order)
{
switch ($order["field"])
{
case "varlte":
$upperlimit = $conditionvar->varlte[$order["index"]]->getContent();
break;
case "vargte":
$lowerlimit = $conditionvar->vargte[$order["index"]]->getContent();
break;
}
}
foreach ($respcondition->setvar as $setvar)
{
$points = $setvar->getContent();
}
}
}
$this->setTitle($item->getTitle());
$this->setComment($item->getComment());
$this->setAuthor($item->getAuthor());
$this->setOwner($ilUser->getId());
$this->setQuestion($this->QTIMaterialToString($item->getQuestiontext()));
$this->setObjId($questionpool_id);
$this->setEstimatedWorkingTime($duration["h"], $duration["m"], $duration["s"]);
$this->setMaxChars($maxchars);
$this->addRange($lowerlimit, $upperlimit, $points);
$this->saveToDb();
if (count($item->suggested_solutions))
{
foreach ($item->suggested_solutions as $suggested_solution)
{
$this->setSuggestedSolution($suggested_solution["solution"]->getContent(), $suggested_solution["gap_index"], true);
}
$this->saveToDb();
}
// handle the import of media objects in XHTML code
if (is_array($_SESSION["import_mob_xhtml"]))
{
include_once "./content/classes/Media/class.ilObjMediaObject.php";
include_once "./Services/RTE/classes/class.ilRTE.php";
foreach ($_SESSION["import_mob_xhtml"] as $mob)
{
if ($tst_id > 0)
{
include_once "./assessment/classes/class.ilObjTest.php";
$importfile = ilObjTest::_getImportDirectory() . "/" . $_SESSION["tst_import_subdir"] . "/" . $mob["uri"];
}
else
{
include_once "./assessment/classes/class.ilObjQuestionPool.php";
$importfile = ilObjQuestionPool::_getImportDirectory() . "/" . $_SESSION["qpl_import_subdir"] . "/" . $mob["uri"];
}
$media_object =& ilObjMediaObject::_saveTempFileAsMediaObject(basename($importfile), $importfile, FALSE);
ilObjMediaObject::_saveUsage($media_object->getId(), "qpl:html", $this->getId());
$this->setQuestion(ilRTE::_replaceMediaObjectImageSrc(str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $this->getQuestion()), 1));
}
$this->saveToDb();
}
if ($tst_id > 0)
{
$q_1_id = $this->getId();
$question_id = $this->duplicate(true);
$tst_object->questions[$question_counter++] = $question_id;
$import_mapping[$item->getIdent()] = array("pool" => $q_1_id, "test" => $question_id);
}
else
{
$import_mapping[$item->getIdent()] = array("pool" => $this->getId(), "test" => 0);
}
//$ilLog->write(strftime("%D %T") . ": finished import multiple choice question (single response)");
}
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| assNumeric::getAdditionalTableName | ( | ) |
Returns the name of the additional question data table in the database.
Returns the name of the additional question data table in the database
- Returns:
- string The additional table name public
Reimplemented from assQuestion.
Definition at line 1079 of file class.assNumeric.php.
{
return "qpl_question_numeric";
}
| assNumeric::getBestRange | ( | ) |
Returns the range with the maximum points, a learner can reach answering the question.
Returns the range with the maximum points, a learner can reach answering the question
public
- See also:
- $points
Definition at line 831 of file class.assNumeric.php.
References $key.
{
$max = 0;
$bestrange = NULL;
foreach ($this->ranges as $key => $range)
{
if ($range->getPoints() > $max)
{
$max = $range->getPoints();
$bestrange = $range;
}
}
return $bestrange;
}
| assNumeric::getMaxChars | ( | ) |
Returns the maximum number of characters for the numeric input field.
Returns the maximum number of characters for the numeric input field
- Returns:
- integer The maximum number of characters public
Definition at line 1053 of file class.assNumeric.php.
Referenced by saveToDb(), and to_xml().
{
return $this->maxchars;
}
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| assNumeric::getMaximumPoints | ( | ) |
Returns the maximum points, a learner can reach answering the question.
Returns the maximum points, a learner can reach answering the question
public
- See also:
- $points
Reimplemented from assQuestion.
Definition at line 810 of file class.assNumeric.php.
References $key.
Referenced by isComplete(), saveToDb(), and syncWithOriginal().
{
$max = 0;
foreach ($this->ranges as $key => $range)
{
if ($range->getPoints() > $max)
{
$max = $range->getPoints();
}
}
return $max;
}
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| assNumeric::getQuestion | ( | ) |
Gets the numeric question text.
Gets the question string of the assNumeric object
- Returns:
- string The question string of the assNumeric object public
- See also:
- $question
Definition at line 724 of file class.assNumeric.php.
Referenced by fromXML(), and to_xml().
{
return $this->question;
}
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| assNumeric::getQuestionType | ( | ) |
Returns the question type of the question.
Returns the question type of the question
- Returns:
- integer The question type of the question public
Definition at line 1040 of file class.assNumeric.php.
Referenced by saveToDb().
{
return 9;
}
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| assNumeric::getRange | ( | $ | index = 0 |
) |
Returns a range.
Returns a range with a given index. The index of the first range is 0, the index of the second range is 1 and so on.
- Parameters:
-
integer $index A nonnegative index of the n-th range
- Returns:
- object assNumericelRange-Object containing the range public
- See also:
- $ranges
Definition at line 754 of file class.assNumeric.php.
{
if ($index < 0) return NULL;
if (count($this->ranges) < 1) return NULL;
if ($index >= count($this->ranges)) return NULL;
return $this->ranges[$index];
}
| assNumeric::getRangeCount | ( | ) |
Returns the number of ranges.
Returns the number of ranges
- Returns:
- integer The number of ranges of the numeric question public
- See also:
- $ranges
Definition at line 738 of file class.assNumeric.php.
{
return count($this->ranges);
}
| assNumeric::isComplete | ( | ) |
Returns true, if a numeric question is complete for use.
Returns true, if a numeric question is complete for use
- Returns:
- boolean True, if the numeric question is complete for use, otherwise false public
Reimplemented from assQuestion.
Definition at line 102 of file class.assNumeric.php.
References getMaximumPoints().
Referenced by saveToDb(), and syncWithOriginal().
{
if (($this->title) and ($this->author) and ($this->question) and (count($this->ranges)) and ($this->getMaximumPoints() > 0))
{
return true;
}
else
{
return false;
}
}
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| assNumeric::loadFromDb | ( | $ | question_id | ) |
Loads a assNumeric object from a database.
Loads a assNumeric object from a database (experimental)
- Parameters:
-
object $db A pear DB object integer $question_id A unique key which defines the multiple choice test in the database public
Reimplemented from assQuestion.
Definition at line 519 of file class.assNumeric.php.
References $data, $query, $result, ilRTE::_replaceMediaObjectImageSrc(), and assQuestion::setEstimatedWorkingTime().
{
global $ilDB;
$query = sprintf("SELECT qpl_questions.*, qpl_question_numeric.* FROM qpl_questions, qpl_question_numeric WHERE question_id = %s AND qpl_questions.question_id = qpl_question_numeric.question_fi",
$ilDB->quote($question_id)
);
$result = $ilDB->query($query);
if (strcmp(strtolower(get_class($result)), db_result) == 0)
{
if ($result->numRows() == 1)
{
$data = $result->fetchRow(DB_FETCHMODE_OBJECT);
$this->id = $question_id;
$this->title = $data->title;
$this->comment = $data->comment;
$this->solution_hint = $data->solution_hint;
$this->original_id = $data->original_id;
$this->obj_id = $data->obj_fi;
$this->author = $data->author;
$this->owner = $data->owner;
$this->points = $data->points;
include_once("./Services/RTE/classes/class.ilRTE.php");
$this->question = ilRTE::_replaceMediaObjectImageSrc($data->question_text, 1);
$this->maxchars = $data->maxNumOfChars;
$this->setEstimatedWorkingTime(substr($data->working_time, 0, 2), substr($data->working_time, 3, 2), substr($data->working_time, 6, 2));
}
$query = sprintf("SELECT * FROM qpl_numeric_range WHERE question_fi = %s ORDER BY aorder ASC",
$ilDB->quote($question_id)
);
$result = $ilDB->query($query);
include_once "./assessment/classes/class.assNumericRange.php";
if (strcmp(strtolower(get_class($result)), db_result) == 0)
{
while ($data = $result->fetchRow(DB_FETCHMODE_ASSOC))
{
array_push($this->ranges, new assNumericRange($data["lowerlimit"], $data["upperlimit"], $data["points"], $data["aorder"]));
}
}
}
parent::loadFromDb($question_id);
}
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| assNumeric::saveToDb | ( | $ | original_id = "" |
) |
Saves a assNumeric object to a database.
Saves a assNumeric object to a database (experimental)
- Parameters:
-
object $db A pear DB object public
Reimplemented from assQuestion.
Definition at line 397 of file class.assNumeric.php.
References $key, $query, $result, ilRTE::_cleanupMediaObjectUsage(), ilRTE::_replaceMediaObjectImageSrc(), assQuestion::createPageObject(), assQuestion::getEstimatedWorkingTime(), assQuestion::getId(), getMaxChars(), getMaximumPoints(), getQuestionType(), assQuestion::getTestId(), assQuestion::insertIntoTest(), and isComplete().
Referenced by fromXML().
{
global $ilDB;
$complete = 0;
if ($this->isComplete())
{
$complete = 1;
}
$estw_time = $this->getEstimatedWorkingTime();
$estw_time = sprintf("%02d:%02d:%02d", $estw_time['h'], $estw_time['m'], $estw_time['s']);
if ($original_id)
{
$original_id = $ilDB->quote($original_id);
}
else
{
$original_id = "NULL";
}
// cleanup RTE images which are not inserted into the question text
include_once("./Services/RTE/classes/class.ilRTE.php");
ilRTE::_cleanupMediaObjectUsage($this->question, "qpl:html",
$this->getId());
if ($this->id == -1)
{
// Neuen Datensatz schreiben
$now = getdate();
$question_type = $this->getQuestionType();
$created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
$query = sprintf("INSERT INTO qpl_questions (question_id, question_type_fi, obj_fi, title, comment, author, owner, question_text, points, working_time, complete, created, original_id, TIMESTAMP) VALUES (NULL, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, NULL)",
$ilDB->quote($question_type),
$ilDB->quote($this->obj_id),
$ilDB->quote($this->title),
$ilDB->quote($this->comment),
$ilDB->quote($this->author),
$ilDB->quote($this->owner),
$ilDB->quote(ilRTE::_replaceMediaObjectImageSrc($this->question, 0)),
$ilDB->quote($this->getMaximumPoints() . ""),
$ilDB->quote($estw_time),
$ilDB->quote("$complete"),
$ilDB->quote($created),
$original_id
);
$result = $ilDB->query($query);
if ($result == DB_OK)
{
$this->id = $ilDB->getLastInsertId();
$query = sprintf("INSERT INTO qpl_question_numeric (question_fi, maxNumOfChars) VALUES (%s, %s)",
$ilDB->quote($this->id . ""),
$ilDB->quote($this->getMaxChars() . "")
);
$ilDB->query($query);
// create page object of question
$this->createPageObject();
if ($this->getTestId() > 0)
{
$this->insertIntoTest($this->getTestId());
}
}
}
else
{
// Vorhandenen Datensatz aktualisieren
$query = sprintf("UPDATE qpl_questions SET obj_fi = %s, title = %s, comment = %s, author = %s, question_text = %s, points = %s, working_time=%s, complete = %s WHERE question_id = %s",
$ilDB->quote($this->obj_id. ""),
$ilDB->quote($this->title),
$ilDB->quote($this->comment),
$ilDB->quote($this->author),
$ilDB->quote(ilRTE::_replaceMediaObjectImageSrc($this->question, 0)),
$ilDB->quote($this->getMaximumPoints() . ""),
$ilDB->quote($estw_time),
$ilDB->quote("$complete"),
$ilDB->quote($this->id)
);
$result = $ilDB->query($query);
$query = sprintf("UPDATE qpl_question_numeric SET maxNumOfChars = %s WHERE question_fi = %s",
$ilDB->quote($this->getMaxChars() . ""),
$ilDB->quote($this->id . "")
);
$result = $ilDB->query($query);
}
if ($result == DB_OK)
{
// Write Ranges to the database
// 1. delete old ranges
$query = sprintf("DELETE FROM qpl_numeric_range WHERE question_fi = %s",
$ilDB->quote($this->id)
);
$result = $ilDB->query($query);
// 2. write ranges
foreach ($this->ranges as $key => $range)
{
$query = sprintf("INSERT INTO qpl_numeric_range (range_id, question_fi, lowerlimit, upperlimit, points, aorder, lastchange) VALUES (NULL, %s, %s, %s, %s, %s, NULL)",
$ilDB->quote($this->id),
$ilDB->quote($range->getLowerLimit()),
$ilDB->quote($range->getUpperLimit() . ""),
$ilDB->quote($range->getPoints() . ""),
$ilDB->quote($range->getOrder() . "")
);
$answer_result = $ilDB->query($query);
}
}
parent::saveToDb($original_id);
}
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| assNumeric::saveWorkingData | ( | $ | active_id, | |
| $ | pass = NULL | |||
| ) |
Saves the learners input of the question to the database.
Saves the learners input of the question to the database
- Parameters:
-
integer $test_id The database id of the test containing this question
- Returns:
- boolean Indicates the save status (true if saved successful, false otherwise) public
- See also:
- $ranges
Reimplemented from assQuestion.
Definition at line 902 of file class.assNumeric.php.
References $_POST, $query, $result, $row, ilObjAssessmentFolder::_enabledAssessmentLogging(), ilObjAssessmentFolder::_getLogLanguage(), ilObjTest::_getPass(), assQuestion::getId(), and assQuestion::logAction().
{
global $ilDB;
global $ilUser;
include_once "./assessment/classes/class.ilObjTest.php";
$actualpass = ilObjTest::_getPass($active_id);
$entered_values = 0;
$numeric_result = str_replace(",",".",$_POST["numeric_result"]);
$query = sprintf("SELECT * FROM tst_solutions WHERE active_fi = %s AND question_fi = %s AND pass = %s",
$ilDB->quote($active_id . ""),
$ilDB->quote($this->getId() . ""),
$ilDB->quote($actualpass . "")
);
$result = $ilDB->query($query);
$row = $result->fetchRow(DB_FETCHMODE_OBJECT);
$update = $row->solution_id;
if ($update)
{
if (strlen($numeric_result))
{
$query = sprintf("UPDATE tst_solutions SET value1 = %s WHERE solution_id = %s",
$ilDB->quote(trim($numeric_result)),
$ilDB->quote($update)
);
$result = $ilDB->query($query);
$entered_values++;
}
else
{
$query = sprintf("DELETE FROM tst_solutions WHERE solution_id = %s",
$ilDB->quote($update)
);
$result = $ilDB->query($query);
}
}
else
{
if (strlen($numeric_result))
{
$query = sprintf("INSERT INTO tst_solutions (solution_id, active_fi, question_fi, value1, value2, pass, TIMESTAMP) VALUES (NULL, %s, %s, %s, NULL, %s, NULL)",
$ilDB->quote($active_id),
$ilDB->quote($this->getId()),
$ilDB->quote(trim($numeric_result)),
$ilDB->quote($actualpass . "")
);
$result = $ilDB->query($query);
$entered_values++;
}
}
if ($entered_values)
{
include_once ("./classes/class.ilObjAssessmentFolder.php");
if (ilObjAssessmentFolder::_enabledAssessmentLogging())
{
$this->logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
}
}
else
{
include_once ("./classes/class.ilObjAssessmentFolder.php");
if (ilObjAssessmentFolder::_enabledAssessmentLogging())
{
$this->logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
}
}
parent::saveWorkingData($active_id, $pass);
return true;
}
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| assNumeric::setMaxChars | ( | $ | maxchars | ) |
Sets the maximum number of characters for the numeric input field.
Sets the maximum number of characters for the numeric input field
- Parameters:
-
integer $maxchars The maximum number of characters public
Definition at line 1066 of file class.assNumeric.php.
References $maxchars.
Referenced by fromXML().
{
$this->maxchars = $maxchars;
}
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| assNumeric::setQuestion | ( | $ | question = "" |
) |
Sets the numeric question.
Sets the question string of the assNumeric object
- Parameters:
-
string $question A string containing the numeric question public
- See also:
- $question
Definition at line 575 of file class.assNumeric.php.
References $question.
Referenced by fromXML().
{
$this->question = $question;
}
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| assNumeric::syncWithOriginal | ( | ) |
Reimplemented from assQuestion.
Definition at line 972 of file class.assNumeric.php.
References $key, $query, $result, assQuestion::getEstimatedWorkingTime(), getMaximumPoints(), and isComplete().
{
global $ilDB;
if ($this->original_id)
{
$complete = 0;
if ($this->isComplete())
{
$complete = 1;
}
$estw_time = $this->getEstimatedWorkingTime();
$estw_time = sprintf("%02d:%02d:%02d", $estw_time['h'], $estw_time['m'], $estw_time['s']);
$query = sprintf("UPDATE qpl_questions SET obj_fi = %s, title = %s, comment = %s, author = %s, question_text = %s, points = %s, working_time=%s, complete = %s WHERE question_id = %s",
$ilDB->quote($this->obj_id. ""),
$ilDB->quote($this->title. ""),
$ilDB->quote($this->comment. ""),
$ilDB->quote($this->author. ""),
$ilDB->quote($this->question. ""),
$ilDB->quote($this->getMaximumPoints() . ""),
$ilDB->quote($estw_time. ""),
$ilDB->quote($complete. ""),
$ilDB->quote($this->original_id. "")
);
$result = $ilDB->query($query);
$query = sprintf("UPDATE qpl_question_numeric SET maxNumOfChars = %s WHERE question_fi = %s",
$ilDB->quote($this->getMaxChars() . ""),
$ilDB->quote($this->original_id . "")
);
$result = $ilDB->query($query);
if ($result == DB_OK)
{
// Write Ranges to the database
// 1. delete old ranges
$query = sprintf("DELETE FROM qpl_numeric_range WHERE question_fi = %s",
$ilDB->quote($this->original_id)
);
$result = $ilDB->query($query);
// 2. write ranges
foreach ($this->ranges as $key => $range)
{
$query = sprintf("INSERT INTO qpl_numeric_range (range_id, question_fi, lowerlimit, upperlimit, points, aorder, lastchange) VALUES (NULL, %s, %s, %s, %s, %s, NULL)",
$ilDB->quote($this->original_id),
$ilDB->quote($range->getLowerLimit()),
$ilDB->quote($range->getUpperLimit() . ""),
$ilDB->quote($range->getPoints() . ""),
$ilDB->quote($range->getOrder() . "")
);
$answer_result = $ilDB->query($query);
}
}
parent::syncWithOriginal();
}
}
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| assNumeric::to_xml | ( | $ | a_include_header = true, |
|
| $ | a_include_binary = true, |
|||
| $ | a_shuffle = false, |
|||
| $ | test_output = false, |
|||
| $ | force_image_references = false | |||
| ) |
Returns a QTI xml representation of the question.
Returns a QTI xml representation of the question and sets the internal domxml variable with the DOM XML representation of the QTI xml representation
- Returns:
- string The QTI xml representation of the question public
Definition at line 246 of file class.assNumeric.php.
References $pos, assQuestion::addQTIMaterial(), assQuestion::getAuthor(), assQuestion::getComment(), assQuestion::getEstimatedWorkingTime(), getMaxChars(), getQuestion(), assQuestion::getSuggestedSolution(), and assQuestion::getTitle().
{
include_once("./classes/class.ilXmlWriter.php");
$a_xml_writer = new ilXmlWriter;
// set xml header
$a_xml_writer->xmlHeader();
$a_xml_writer->xmlStartTag("questestinterop");
$attrs = array(
"ident" => "il_".IL_INST_ID."_qst_".$this->getId(),
"title" => $this->getTitle()
);
$a_xml_writer->xmlStartTag("item", $attrs);
// add question description
$a_xml_writer->xmlElement("qticomment", NULL, $this->getComment());
// add estimated working time
$workingtime = $this->getEstimatedWorkingTime();
$duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
$a_xml_writer->xmlElement("duration", NULL, $duration);
// add ILIAS specific metadata
$a_xml_writer->xmlStartTag("itemmetadata");
$a_xml_writer->xmlStartTag("qtimetadata");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->ilias->getSetting("ilias_version"));
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
$a_xml_writer->xmlElement("fieldentry", NULL, NUMERIC_QUESTION_IDENTIFIER);
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->getAuthor());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlEndTag("qtimetadata");
$a_xml_writer->xmlEndTag("itemmetadata");
// PART I: qti presentation
$attrs = array(
"label" => $this->getTitle()
);
$a_xml_writer->xmlStartTag("presentation", $attrs);
// add flow to presentation
$a_xml_writer->xmlStartTag("flow");
// add material with question text to presentation
$this->addQTIMaterial($a_xml_writer, $this->getQuestion());
// add answers to presentation
$attrs = array(
"ident" => "NUM",
"rcardinality" => "Single",
"numtype" => "Decimal"
);
$a_xml_writer->xmlStartTag("response_num", $attrs);
$solution = $this->getSuggestedSolution(0);
if (count($solution))
{
if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
{
$a_xml_writer->xmlStartTag("material");
$intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
if (strcmp($matches[1], "") != 0)
{
$intlink = $solution["internal_link"];
}
$attrs = array(
"label" => "suggested_solution"
);
$a_xml_writer->xmlElement("mattext", $attrs, $intlink);
$a_xml_writer->xmlEndTag("material");
}
}
// shuffle output
$attrs = array(
"fibtype" => "Decimal",
"maxchars" => $this->getMaxChars()
);
$a_xml_writer->xmlStartTag("render_fib", $attrs);
$a_xml_writer->xmlEndTag("render_fib");
$a_xml_writer->xmlEndTag("response_num");
$a_xml_writer->xmlEndTag("flow");
$a_xml_writer->xmlEndTag("presentation");
// PART II: qti resprocessing
$a_xml_writer->xmlStartTag("resprocessing");
$a_xml_writer->xmlStartTag("outcomes");
$a_xml_writer->xmlStartTag("decvar");
$a_xml_writer->xmlEndTag("decvar");
$a_xml_writer->xmlEndTag("outcomes");
// add response conditions
foreach ($this->ranges as $index => $range)
{
$a_xml_writer->xmlStartTag("respcondition");
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$attrs = array(
"respident" => "NUM"
);
$a_xml_writer->xmlElement("vargte", $attrs, $range->getLowerLimit());
$a_xml_writer->xmlElement("varlte", $attrs, $range->getUpperLimit());
$a_xml_writer->xmlEndTag("conditionvar");
// qti setvar
$attrs = array(
"action" => "Add"
);
$a_xml_writer->xmlElement("setvar", $attrs, $range->getPoints());
// qti displayfeedback
$attrs = array(
"feedbacktype" => "Response",
"linkrefid" => "Correct"
);
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
$a_xml_writer->xmlEndTag("resprocessing");
// PART III: qti itemfeedback
foreach ($this->ranges as $index => $range)
{
$attrs = array(
"ident" => "Correct",
"view" => "All"
);
$a_xml_writer->xmlStartTag("itemfeedback", $attrs);
// qti flow_mat
$a_xml_writer->xmlStartTag("flow_mat");
$a_xml_writer->xmlStartTag("material");
$a_xml_writer->xmlElement("mattext");
$a_xml_writer->xmlEndTag("material");
$a_xml_writer->xmlEndTag("flow_mat");
$a_xml_writer->xmlEndTag("itemfeedback");
}
$a_xml_writer->xmlEndTag("item");
$a_xml_writer->xmlEndTag("questestinterop");
$xml = $a_xml_writer->xmlDumpMem(FALSE);
if (!$a_include_header)
{
$pos = strpos($xml, "?>");
$xml = substr($xml, $pos + 2);
}
return $xml;
}
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Field Documentation
| assNumeric::$maxchars |
Definition at line 65 of file class.assNumeric.php.
Referenced by fromXML(), and setMaxChars().
| assNumeric::$question |
Definition at line 47 of file class.assNumeric.php.
Referenced by assNumeric(), and setQuestion().
| assNumeric::$ranges |
Definition at line 56 of file class.assNumeric.php.
The documentation for this class was generated from the following file:
- assessment/classes/class.assNumeric.php
