Class for multiple choice tests. More...
Inheritance diagram for assMultipleChoice:
Collaboration diagram for assMultipleChoice:
Public Member Functions | |
| assMultipleChoice ($title="", $comment="", $author="", $owner=-1, $question="", $output_type=OUTPUT_ORDER) | |
| assMultipleChoice constructor | |
| isComplete () | |
| Returns true, if a multiple choice question is complete for use. | |
| fromXML (&$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 assMultipleChoice object to a database. | |
| loadFromDb ($question_id) | |
| Loads a assMultipleChoice object from a database. | |
| duplicate ($for_test=true, $title="", $author="", $owner="") | |
| Adds an answer to the question. | |
| copyObject ($target_questionpool, $title="") | |
| Copies an assMultipleChoice object. | |
| getQuestion () | |
| Gets the multiple choice question. | |
| setQuestion ($question="") | |
| Sets the multiple choice question. | |
| getOutputType () | |
| Gets the multiple choice output type. | |
| setOutputType ($output_type=OUTPUT_ORDER) | |
| Sets the multiple choice output type. | |
| addAnswer ($answertext="", $points=0.0, $points_unchecked=0.0, $order=0, $answerimage="") | |
| Adds a possible answer for a multiple choice question. | |
| getAnswerCount () | |
| Returns the number of answers. | |
| getAnswer ($index=0) | |
| Returns an answer. | |
| deleteAnswer ($index=0) | |
| Deletes an answer. | |
| flushAnswers () | |
| Deletes all answers. | |
| getMaximumPoints () | |
| Returns the maximum points, a learner can reach answering the question. | |
| calculateReachedPoints ($active_id, $pass=NULL) | |
| Returns the points, a learner has reached answering the question. | |
| saveWorkingData ($active_id, $pass=NULL) | |
| Saves the learners input of the question to the database. | |
| syncWithOriginal () | |
| getQuestionType () | |
| Returns the question type of the question. | |
| getAdditionalTableName () | |
| Returns the name of the additional question data table in the database. | |
| getAnswerTableName () | |
| Returns the name of the answer table in the database. | |
| getGraphicalAnswerSetting () | |
| setGraphicalAnswerSetting ($a_setting=0) | |
| setImageFile ($image_filename, $image_tempfilename="") | |
| Sets the image file. | |
| deleteImage ($image_filename) | |
| Deletes an image file. | |
| duplicateImages ($question_id) | |
| copyImages ($question_id, $source_questionpool) | |
Data Fields | |
| $question | |
| $answers | |
| $output_type | |
Detailed Description
Class for multiple choice tests.
assMultipleChoice is a class for multiple choice questions
- Version:
- Id:
- class.assMultipleChoice.php 14646 2007-09-04 10:03:31Z hschottm
class.assMultipleChoice.php Assessment
Definition at line 36 of file class.assMultipleChoice.php.
Member Function Documentation
| assMultipleChoice::addAnswer | ( | $ | answertext = "", |
|
| $ | points = 0.0, |
|||
| $ | points_unchecked = 0.0, |
|||
| $ | order = 0, |
|||
| $ | answerimage = "" | |||
| ) |
Adds a possible answer for a multiple choice question.
Adds a possible answer for a multiple choice question. A ASS_AnswerBinaryStateImage object will be created and assigned to the array $this->answers.
- Parameters:
-
string $answertext The answer text double $points The points for selecting the answer (even negative points can be used) boolean $state Defines the answer as correct (TRUE) or incorrect (FALSE) integer $order A possible display order of the answer double $points The points for not selecting the answer (even negative points can be used) public
- See also:
- $answers
- ASS_AnswerBinaryStateImage
Definition at line 941 of file class.assMultipleChoice.php.
References $key, and assQuestion::$points.
Referenced by fromXML().
{
$found = -1;
foreach ($this->answers as $key => $value)
{
if ($value->getOrder() == $order)
{
$found = $order;
}
}
include_once "./assessment/classes/class.assAnswerMultipleResponseImage.php";
if ($found >= 0)
{
// Antwort einfügen
$answer = new ASS_AnswerMultipleResponseImage($answertext, $points, $found, $points_unchecked, $answerimage);
array_push($this->answers, $answer);
for ($i = $found + 1; $i < count($this->answers); $i++)
{
$this->answers[$i] = $this->answers[$i-1];
}
$this->answers[$found] = $answer;
}
else
{
// Anwort anhängen
$answer = new ASS_AnswerMultipleResponseImage($answertext, $points, count($this->answers), $points_unchecked, $answerimage);
array_push($this->answers, $answer);
}
}
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| assMultipleChoice::assMultipleChoice | ( | $ | title = "", |
|
| $ | comment = "", |
|||
| $ | author = "", |
|||
| $ | owner = -1, |
|||
| $ | question = "", |
|||
| $ | output_type = OUTPUT_ORDER | |||
| ) |
assMultipleChoice constructor
The constructor takes possible arguments an creates an instance of the assMultipleChoice 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 multiple choice question integer $output_type The output order of the multiple choice answers public
- See also:
- assQuestion:assQuestion()
Definition at line 80 of file class.assMultipleChoice.php.
References assQuestion::$author, assQuestion::$comment, $output_type, assQuestion::$owner, $question, assQuestion::$title, and assQuestion::assQuestion().
{
$this->assQuestion($title, $comment, $author, $owner);
$this->question = $question;
$this->output_type = $output_type;
$this->answers = array();
}
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| assMultipleChoice::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 1089 of file class.assMultipleChoice.php.
References $data, $key, assQuestion::$points, $query, $result, ilObjTest::_getMCScoring(), 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);
while ($data = $result->fetchRow(DB_FETCHMODE_OBJECT))
{
if (strcmp($data->value1, "") != 0)
{
array_push($found_values, $data->value1);
}
}
$points = 0;
foreach ($this->answers as $key => $answer)
{
if (in_array($key, $found_values))
{
$points += $answer->getPoints();
}
else
{
$points += $answer->getPointsUnchecked();
}
}
include_once "./assessment/classes/class.ilObjTest.php";
$mc_scoring = ilObjTest::_getMCScoring($active_id);
if (($mc_scoring == 0) && (count($found_values) == 0))
{
$points = 0;
}
$points = parent::calculateReachedPoints($active_id, $pass = NULL, $points);
return $points;
}
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| assMultipleChoice::copyImages | ( | $ | question_id, | |
| $ | source_questionpool | |||
| ) |
Definition at line 1403 of file class.assMultipleChoice.php.
References $ilLog, assQuestion::getImagePath(), and ilUtil::makeDirParents().
{
global $ilLog;
$imagepath = $this->getImagePath();
$imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
$imagepath_original = str_replace("/$this->obj_id/", "/$source_questionpool/", $imagepath_original);
if (!file_exists($imagepath))
{
ilUtil::makeDirParents($imagepath);
}
foreach ($this->answers as $answer)
{
$filename = $answer->getImage();
if (strlen($filename))
{
if (!copy($imagepath_original . $filename, $imagepath . $filename))
{
$ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
$ilLog->write("object: " . print_r($this), $ilLog->ERROR);
}
if (!copy($imagepath_original . $filename . ".thumb.jpg", $imagepath . $filename . ".thumb.jpg"))
{
$ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
$ilLog->write("object: " . print_r($this), $ilLog->ERROR);
}
}
}
}
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| assMultipleChoice::copyObject | ( | $ | target_questionpool, | |
| $ | title = "" | |||
| ) |
Copies an assMultipleChoice object.
Copies an assMultipleChoice object
public
Definition at line 840 of file class.assMultipleChoice.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);
// duplicate the image
$clone->copyImages($original_id, $source_questionpool);
return $clone->id;
}
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| assMultipleChoice::deleteAnswer | ( | $ | index = 0 |
) |
Deletes an answer.
Deletes an answer with a given index. The index of the first answer is 0, the index of the second answer is 1 and so on.
- Parameters:
-
integer $index A nonnegative index of the n-th answer public
- See also:
- $answers
Definition at line 1021 of file class.assMultipleChoice.php.
References deleteImage().
{
if ($index < 0) return;
if (count($this->answers) < 1) return;
if ($index >= count($this->answers)) return;
$answer = $this->answers[$index];
if (strlen($answer->getImage())) $this->deleteImage($answer->getImage());
unset($this->answers[$index]);
$this->answers = array_values($this->answers);
for ($i = 0; $i < count($this->answers); $i++)
{
if ($this->answers[$i]->getOrder() > $index)
{
$this->answers[$i]->setOrder($i);
}
}
}
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| assMultipleChoice::deleteImage | ( | $ | image_filename | ) |
Deletes an image file.
Deletes an image file
- Parameters:
-
string $image_filename Name of the image file to delete private
Definition at line 1367 of file class.assMultipleChoice.php.
References assQuestion::getImagePath().
Referenced by deleteAnswer().
{
$imagepath = $this->getImagePath();
unlink($imagepath . $image_filename);
$thumbpath = $imagepath . $image_filename . "." . "thumb.jpg";
unlink($thumbpath);
}
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| assMultipleChoice::duplicate | ( | $ | for_test = true, |
|
| $ | title = "", |
|||
| $ | author = "", |
|||
| $ | owner = "" | |||
| ) |
Adds an answer to the question.
Adds an answer to the question
public Duplicates an assMultipleChoiceQuestion Duplicates an assMultipleChoiceQuestion
public
Definition at line 787 of file class.assMultipleChoice.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);
// duplicate the images
$clone->duplicateImages($this_id);
return $clone->id;
}
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| assMultipleChoice::duplicateImages | ( | $ | question_id | ) |
Definition at line 1375 of file class.assMultipleChoice.php.
References $ilLog, assQuestion::getImagePath(), and ilUtil::makeDirParents().
{
global $ilLog;
$imagepath = $this->getImagePath();
$imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
if (!file_exists($imagepath))
{
ilUtil::makeDirParents($imagepath);
}
foreach ($this->answers as $answer)
{
$filename = $answer->getImage();
if (strlen($filename))
{
if (!copy($imagepath_original . $filename, $imagepath . $filename))
{
$ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
$ilLog->write("object: " . print_r($this), $ilLog->ERROR);
}
if (!copy($imagepath_original . $filename . ".thumb.jpg", $imagepath . $filename . ".thumb.jpg"))
{
$ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
$ilLog->write("object: " . print_r($this), $ilLog->ERROR);
}
}
}
}
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| assMultipleChoice::flushAnswers | ( | ) |
Deletes all answers.
Deletes all answers
public
- See also:
- $answers
Definition at line 1047 of file class.assMultipleChoice.php.
{
$this->answers = array();
}
| assMultipleChoice::fromXML | ( | &$ | 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 128 of file class.assMultipleChoice.php.
References $_SESSION, $answers, $key, assQuestion::$shuffle, ilObjQuestionPool::_getImportDirectory(), ilObjTest::_getImportDirectory(), ilRTE::_replaceMediaObjectImageSrc(), ilObjMediaObject::_saveTempFileAsMediaObject(), ilObjMediaObject::_saveUsage(), addAnswer(), ilUtil::convertImage(), duplicate(), getContent(), assQuestion::getId(), assQuestion::getImagePath(), getQuestion(), ilUtil::makeDirParents(), assQuestion::QTIMaterialToString(), saveToDb(), assQuestion::setAuthor(), assQuestion::setComment(), assQuestion::setEstimatedWorkingTime(), assQuestion::setObjId(), assQuestion::setOwner(), setQuestion(), assQuestion::setShuffle(), 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();
$shuffle = 0;
$now = getdate();
$created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
$answers = array();
foreach ($presentation->order as $entry)
{
switch ($entry["type"])
{
case "response":
$response = $presentation->response[$entry["index"]];
$rendertype = $response->getRenderType();
switch (strtolower(get_class($response->getRenderType())))
{
case "ilqtirenderchoice":
$shuffle = $rendertype->getShuffle();
$answerorder = 0;
$foundimage = FALSE;
foreach ($rendertype->response_labels as $response_label)
{
$ident = $response_label->getIdent();
$answertext = "";
$answerimage = array();
foreach ($response_label->material as $mat)
{
for ($m = 0; $m < $mat->getMaterialCount(); $m++)
{
$foundmat = $mat->getMaterial($m);
if (strcmp($foundmat["type"], "mattext") == 0)
{
$answertext .= $foundmat["material"]->getContent();
}
if (strcmp($foundmat["type"], "matimage") == 0)
{
$foundimage = TRUE;
$answerimage = array(
"imagetype" => $foundmat["material"]->getImageType(),
"label" => $foundmat["material"]->getLabel(),
"content" => $foundmat["material"]->getContent()
);
}
}
}
$answers[$ident] = array(
"answertext" => $answertext,
"imagefile" => $answerimage,
"points" => 0,
"answerorder" => $answerorder++,
"points_unchecked" => 0,
"action" => ""
);
}
break;
}
break;
}
}
$responses = array();
foreach ($item->resprocessing as $resprocessing)
{
foreach ($resprocessing->respcondition as $respcondition)
{
$ident = "";
$correctness = 1;
$conditionvar = $respcondition->getConditionvar();
foreach ($conditionvar->order as $order)
{
switch ($order["field"])
{
case "arr_not":
$correctness = 0;
break;
case "varequal":
$ident = $conditionvar->varequal[$order["index"]]->getContent();
break;
}
}
foreach ($respcondition->setvar as $setvar)
{
if (strcmp($ident, "") != 0)
{
if ($correctness)
{
$answers[$ident]["action"] = $setvar->getAction();
$answers[$ident]["points"] = $setvar->getContent();
}
else
{
$answers[$ident]["action"] = $setvar->getAction();
$answers[$ident]["points_unchecked"] = $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"]);
$this->setShuffle($shuffle);
foreach ($answers as $answer)
{
$this->addAnswer($answer["answertext"], $answer["points"], $answer["points_unchecked"], $answer["answerorder"], $answer["imagefile"]["label"]);
}
$this->saveToDb();
foreach ($answers as $answer)
{
if (is_array($answer["imagefile"]) && (count($answer["imagefile"]) > 0))
{
$image =& base64_decode($answer["imagefile"]["content"]);
$imagepath = $this->getImagePath();
include_once "./classes/class.ilUtil.php";
if (!file_exists($imagepath))
{
ilUtil::makeDirParents($imagepath);
}
$imagepath .= $answer["imagefile"]["label"];
$fh = fopen($imagepath, "wb");
if ($fh == false)
{
// global $ilErr;
// $ilErr->raiseError($this->lng->txt("error_save_image_file") . ": $php_errormsg", $ilErr->MESSAGE);
// return;
}
else
{
$imagefile = fwrite($fh, $image);
fclose($fh);
}
// create thumbnail file
$thumbpath = $imagepath . "." . "thumb.jpg";
ilUtil::convertImage($imagepath, $thumbpath, "JPEG", 100);
}
}
// handle the import of media objects in XHTML code
if (is_array($_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() . "\"", $this->getQuestion()), 1));
foreach ($this->answers as $key => $value)
{
$answer_obj = $this->answers[$key];
$answer_obj->setAnswertext(ilRTE::_replaceMediaObjectImageSrc(str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $answer_obj->getAnswertext()), 1));
}
}
$this->saveToDb();
}
if (count($item->suggested_solutions))
{
foreach ($item->suggested_solutions as $suggested_solution)
{
$this->setSuggestedSolution($suggested_solution["solution"]->getContent(), $suggested_solution["gap_index"], true);
}
$this->saveToDb();
}
if ($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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| assMultipleChoice::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 1277 of file class.assMultipleChoice.php.
{
return "qpl_question_multiplechoice";
}
| assMultipleChoice::getAnswer | ( | $ | index = 0 |
) |
Returns an answer.
Returns an answer with a given index. The index of the first answer is 0, the index of the second answer is 1 and so on.
- Parameters:
-
integer $index A nonnegative index of the n-th answer
- Returns:
- object ASS_AnswerBinaryStateImage-Object containing the answer public
- See also:
- $answers
Definition at line 1002 of file class.assMultipleChoice.php.
{
if ($index < 0) return NULL;
if (count($this->answers) < 1) return NULL;
if ($index >= count($this->answers)) return NULL;
return $this->answers[$index];
}
| assMultipleChoice::getAnswerCount | ( | ) |
Returns the number of answers.
Returns the number of answers
- Returns:
- integer The number of answers of the multiple choice question public
- See also:
- $answers
Definition at line 986 of file class.assMultipleChoice.php.
{
return count($this->answers);
}
| assMultipleChoice::getAnswerTableName | ( | ) |
Returns the name of the answer table in the database.
Returns the name of the answer table in the database
- Returns:
- string The answer table name public
Reimplemented from assQuestion.
Definition at line 1290 of file class.assMultipleChoice.php.
{
return "qpl_answer_multiplechoice";
}
| assMultipleChoice::getGraphicalAnswerSetting | ( | ) |
Definition at line 1295 of file class.assMultipleChoice.php.
{
global $ilUser;
$graphicalAnswerSetting = $ilUser->getPref("graphicalAnswerSetting");
if ($graphicalAnswerSetting != 1)
{
$graphicalAnswerSetting = 0;
}
return $graphicalAnswerSetting;
}
| assMultipleChoice::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 1060 of file class.assMultipleChoice.php.
References $key, and assQuestion::$points.
Referenced by isComplete(), saveToDb(), and syncWithOriginal().
{
$points = 0;
$allpoints = 0;
foreach ($this->answers as $key => $value)
{
if ($value->getPoints() > $value->getPointsUnchecked())
{
$allpoints += $value->getPoints();
}
else
{
$allpoints += $value->getPointsUnchecked();
}
}
return $allpoints;
}
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| assMultipleChoice::getOutputType | ( | ) |
Gets the multiple choice output type.
Gets the multiple choice output type which is either OUTPUT_ORDER (=0) or OUTPUT_RANDOM (=1).
- Returns:
- integer The output type of the assMultipleChoice object public
- See also:
- $output_type
Reimplemented from assQuestion.
Definition at line 907 of file class.assMultipleChoice.php.
{
return $this->output_type;
}
| assMultipleChoice::getQuestion | ( | ) |
Gets the multiple choice question.
Gets the question string of the assMultipleChoice object
- Returns:
- string The question string of the assMultipleChoice object public
- See also:
- $question
Definition at line 879 of file class.assMultipleChoice.php.
Referenced by fromXML(), and to_xml().
{
return $this->question;
}
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| assMultipleChoice::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 1263 of file class.assMultipleChoice.php.
Referenced by saveToDb().
{
$question_type = 2;
return $question_type;
}
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| assMultipleChoice::isComplete | ( | ) |
Returns true, if a multiple choice question is complete for use.
Returns true, if a multiple choice question is complete for use
- Returns:
- boolean True, if the multiple choice question is complete for use, otherwise false public
Reimplemented from assQuestion.
Definition at line 103 of file class.assMultipleChoice.php.
References getMaximumPoints().
Referenced by saveToDb(), and syncWithOriginal().
{
if (($this->title) and ($this->author) and ($this->question) and (count($this->answers)) and ($this->getMaximumPoints() > 0))
{
return true;
}
else
{
return false;
}
}
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| assMultipleChoice::loadFromDb | ( | $ | question_id | ) |
Loads a assMultipleChoice object from a database.
Loads a assMultipleChoice 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 713 of file class.assMultipleChoice.php.
References $data, $query, $result, ilRTE::_replaceMediaObjectImageSrc(), assQuestion::getImagePath(), assQuestion::setEstimatedWorkingTime(), setGraphicalAnswerSetting(), and assQuestion::setShuffle().
{
global $ilDB;
$hasimages = 0;
$query = sprintf("SELECT qpl_questions.*, qpl_question_multiplechoice.* FROM qpl_questions, qpl_question_multiplechoice WHERE question_id = %s AND qpl_questions.question_id = qpl_question_multiplechoice.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);
$this->setShuffle($data->shuffle);
$this->setEstimatedWorkingTime(substr($data->working_time, 0, 2), substr($data->working_time, 3, 2), substr($data->working_time, 6, 2));
}
$query = sprintf("SELECT * FROM qpl_answer_multiplechoice WHERE question_fi = %s ORDER BY aorder ASC",
$ilDB->quote($question_id));
$result = $ilDB->query($query);
include_once "./assessment/classes/class.assAnswerMultipleResponseImage.php";
if (strcmp(strtolower(get_class($result)), db_result) == 0)
{
while ($data = $result->fetchRow(DB_FETCHMODE_OBJECT))
{
$imagefilename = $this->getImagePath() . $data->imagefile;
if (!@file_exists($imagefilename))
{
$data->imagefile = "";
}
include_once("./Services/RTE/classes/class.ilRTE.php");
$data->answertext = ilRTE::_replaceMediaObjectImageSrc($data->answertext, 1);
if (strlen($data->imagefile)) $hasimages = 1;
array_push($this->answers, new ASS_AnswerMultipleResponseImage($data->answertext, $data->points, $data->aorder, $data->points_unchecked, $data->imagefile));
}
}
}
$this->setGraphicalAnswerSetting($hasimages);
parent::loadFromDb($question_id);
}
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| assMultipleChoice::saveToDb | ( | $ | original_id = "" |
) |
Saves a assMultipleChoice object to a database.
Saves a assMultipleChoice object to a database (experimental)
- Parameters:
-
object $db A pear DB object public
Reimplemented from assQuestion.
Definition at line 579 of file class.assMultipleChoice.php.
References $key, $query, $result, ilRTE::_cleanupMediaObjectUsage(), ilRTE::_replaceMediaObjectImageSrc(), assQuestion::createPageObject(), assQuestion::getEstimatedWorkingTime(), assQuestion::getId(), 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";
}
$combinedtext = "";
include_once("./Services/RTE/classes/class.ilRTE.php");
if ($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_multiplechoice (question_fi, shuffle) VALUES (%s, %s)",
$ilDB->quote($this->id . ""),
$ilDB->quote("$this->shuffle")
);
$ilDB->query($query);
// create page object of question
$this->createPageObject();
// Falls die Frage in einen Test eingefügt werden soll, auch diese Verbindung erstellen
if ($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_multiplechoice SET shuffle = %s WHERE question_fi = %s",
$ilDB->quote("$this->shuffle"),
$ilDB->quote($this->id . "")
);
$result = $ilDB->query($query);
}
$combinedtext = $this->question;
if ($result == DB_OK)
{
// Antworten schreiben
// alte Antworten löschen
$query = sprintf("DELETE FROM qpl_answer_multiplechoice WHERE question_fi = %s",
$ilDB->quote($this->id)
);
$result = $ilDB->query($query);
// Anworten wegschreiben
foreach ($this->answers as $key => $value)
{
$answer_obj = $this->answers[$key];
$query = sprintf("INSERT INTO qpl_answer_multiplechoice (answer_id, question_fi, answertext, points, points_unchecked, aorder, imagefile) VALUES (NULL, %s, %s, %s, %s, %s, %s)",
$ilDB->quote($this->id),
$ilDB->quote(ilRTE::_replaceMediaObjectImageSrc($answer_obj->getAnswertext(), 0)),
$ilDB->quote($answer_obj->getPoints() . ""),
$ilDB->quote($answer_obj->getPointsUnchecked() . ""),
$ilDB->quote($answer_obj->getOrder() . ""),
$ilDB->quote($answer_obj->getImage() . "")
);
$combinedtext .= $answer_obj->getAnswertext();
$answer_result = $ilDB->query($query);
}
}
// cleanup RTE images which are not inserted into the question text
ilRTE::_cleanupMediaObjectUsage($combinedtext, "qpl:html",
$this->getId());
parent::saveToDb($original_id);
}
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| assMultipleChoice::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:
- $answers
Reimplemented from assQuestion.
Definition at line 1144 of file class.assMultipleChoice.php.
References $_POST, $key, $query, $result, ilObjAssessmentFolder::_enabledAssessmentLogging(), ilObjAssessmentFolder::_getLogLanguage(), ilObjTest::_getPass(), assQuestion::getId(), and assQuestion::logAction().
{
global $ilDB;
global $ilUser;
include_once "./assessment/classes/class.ilObjTest.php";
$activepass = ilObjTest::_getPass($active_id);
$entered_values = 0;
$query = sprintf("DELETE FROM tst_solutions WHERE active_fi = %s AND question_fi = %s AND pass = %s",
$ilDB->quote($active_id . ""),
$ilDB->quote($this->getId() . ""),
$ilDB->quote($activepass . "")
);
$result = $ilDB->query($query);
foreach ($_POST as $key => $value)
{
if (preg_match("/^multiple_choice_result_(\d+)/", $key, $matches))
{
if (strlen($value))
{
$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()),
$ilDB->quote($value),
$ilDB->quote($activepass . "")
);
$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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| assMultipleChoice::setGraphicalAnswerSetting | ( | $ | a_setting = 0 |
) |
Definition at line 1307 of file class.assMultipleChoice.php.
Referenced by loadFromDb().
{
global $ilUser;
$ilUser->writePref("graphicalAnswerSetting", $a_setting);
}
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| assMultipleChoice::setImageFile | ( | $ | image_filename, | |
| $ | image_tempfilename = "" | |||
| ) |
Sets the image file.
Sets the image file and uploads the image to the object's image directory.
- Parameters:
-
string $image_filename Name of the original image file string $image_tempfilename Name of the temporary uploaded image file
- Returns:
- integer An errorcode if the image upload fails, 0 otherwise public
Definition at line 1323 of file class.assMultipleChoice.php.
References $result, ilUtil::convertImage(), assQuestion::getImagePath(), ilObjMediaObject::getMimeType(), ilUtil::makeDirParents(), and ilUtil::moveUploadedFile().
{
$result = 0;
if (!empty($image_tempfilename))
{
$image_filename = str_replace(" ", "_", $image_filename);
$imagepath = $this->getImagePath();
if (!file_exists($imagepath))
{
ilUtil::makeDirParents($imagepath);
}
//if (!move_uploaded_file($image_tempfilename, $imagepath . $image_filename))
if (!ilUtil::moveUploadedFile($image_tempfilename, $image_filename, $imagepath.$image_filename))
{
$result = 2;
}
else
{
include_once "./content/classes/Media/class.ilObjMediaObject.php";
$mimetype = ilObjMediaObject::getMimeType($imagepath . $image_filename);
if (!preg_match("/^image/", $mimetype))
{
unlink($imagepath . $image_filename);
$result = 1;
}
else
{
// create thumbnail file
$thumbpath = $imagepath . $image_filename . "." . "thumb.jpg";
ilUtil::convertImage($imagepath.$image_filename, $thumbpath, "JPEG", 100);
}
}
}
return $result;
}
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| assMultipleChoice::setOutputType | ( | $ | output_type = OUTPUT_ORDER |
) |
Sets the multiple choice output type.
Sets the output type of the assMultipleChoice object
- Parameters:
-
integer $output_type A nonnegative integer value specifying the output type. It is OUTPUT_ORDER (=0) or OUTPUT_RANDOM (=1). public
- See also:
- $response
Reimplemented from assQuestion.
Definition at line 921 of file class.assMultipleChoice.php.
References $output_type.
{
$this->output_type = $output_type;
}
| assMultipleChoice::setQuestion | ( | $ | question = "" |
) |
Sets the multiple choice question.
Sets the question string of the assMultipleChoice object
- Parameters:
-
string $question A string containing the multiple choice question public
- See also:
- $question
Definition at line 893 of file class.assMultipleChoice.php.
References $question.
Referenced by fromXML().
{
$this->question = $question;
}
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| assMultipleChoice::syncWithOriginal | ( | ) |
Reimplemented from assQuestion.
Definition at line 1196 of file class.assMultipleChoice.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_multiplechoice SET shuffle = %s WHERE question_fi = %s",
$ilDB->quote($this->shuffle. ""),
$ilDB->quote($this->original_id . "")
);
$result = $ilDB->query($query);
if ($result == DB_OK)
{
// write answers
// delete old answers
$query = sprintf("DELETE FROM qpl_answer_multiplechoice WHERE question_fi = %s",
$ilDB->quote($this->original_id)
);
$result = $ilDB->query($query);
$points_unchecked = 0;
foreach ($this->answers as $key => $value)
{
$answer_obj = $this->answers[$key];
$points_unchecked = $answer_obj->getPointsUnchecked();
$query = sprintf("INSERT INTO qpl_answer_multiplechoice (answer_id, question_fi, answertext, points, aorder, points_unchecked) VALUES (NULL, %s, %s, %s, %s, %s)",
$ilDB->quote($this->original_id. ""),
$ilDB->quote($answer_obj->getAnswertext(). ""),
$ilDB->quote($answer_obj->getPoints() . ""),
$ilDB->quote($answer_obj->getOrder() . ""),
$ilDB->quote($points_unchecked . "")
);
$answer_result = $ilDB->query($query);
}
}
parent::syncWithOriginal();
}
}
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| assMultipleChoice::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 331 of file class.assMultipleChoice.php.
References $pos, assQuestion::addQTIMaterial(), assQuestion::getAuthor(), assQuestion::getComment(), assQuestion::getEstimatedWorkingTime(), assQuestion::getImagePath(), assQuestion::getImagePathWeb(), getQuestion(), assQuestion::getShuffle(), assQuestion::getSuggestedSolution(), assQuestion::getTitle(), and assQuestion::pcArrayShuffle().
{
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, MULTIPLE_CHOICE_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();
$attrs = array(
"ident" => "MCMR",
"rcardinality" => "Multiple"
);
$a_xml_writer->xmlStartTag("response_lid", $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
$attrs = array();
if ($this->getShuffle())
{
$attrs = array(
"shuffle" => "Yes"
);
}
else
{
$attrs = array(
"shuffle" => "No"
);
}
$a_xml_writer->xmlStartTag("render_choice", $attrs);
$akeys = array_keys($this->answers);
if ($this->getshuffle() && $a_shuffle)
{
$akeys = $this->pcArrayShuffle($akeys);
}
// add answers
foreach ($akeys as $index)
{
$answer = $this->answers[$index];
$attrs = array(
"ident" => $index
);
$a_xml_writer->xmlStartTag("response_label", $attrs);
$this->addQTIMaterial($a_xml_writer, $answer->getAnswertext(), FALSE, FALSE);
if (strlen($answer->getImage()))
{
$imagetype = "image/jpeg";
if (preg_match("/.*\.(png|gif)$/", $answer->getImage(), $matches))
{
$imagetype = "image/" . $matches[1];
}
if ($force_image_references)
{
$attrs = array(
"imagtype" => $imagetype,
"label" => $answer->getImage(),
"uri" => $this->getImagePathWeb() . $answer->getImage()
);
$a_xml_writer->xmlElement("matimage", $attrs);
}
else
{
$imagepath = $this->getImagePath() . $answer->getImage();
$fh = @fopen($imagepath, "rb");
if ($fh != false)
{
$imagefile = fread($fh, filesize($imagepath));
fclose($fh);
$base64 = base64_encode($imagefile);
$attrs = array(
"imagtype" => $imagetype,
"label" => $answer->getImage(),
"embedded" => "base64"
);
$a_xml_writer->xmlElement("matimage", $attrs, $base64, FALSE, FALSE);
}
}
}
$a_xml_writer->xmlEndTag("material");
$a_xml_writer->xmlEndTag("response_label");
}
$a_xml_writer->xmlEndTag("render_choice");
$a_xml_writer->xmlEndTag("response_lid");
$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->answers as $index => $answer)
{
$attrs = array(
"continue" => "Yes"
);
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$attrs = array();
$attrs = array(
"respident" => "MCMR"
);
$a_xml_writer->xmlElement("varequal", $attrs, $index);
$a_xml_writer->xmlEndTag("conditionvar");
// qti setvar
$attrs = array(
"action" => "Add"
);
$a_xml_writer->xmlElement("setvar", $attrs, $answer->getPoints());
// qti displayfeedback
if ($this->response == RESPONSE_SINGLE)
{
$linkrefid = "response_$index";
}
$attrs = array(
"feedbacktype" => "Response",
"linkrefid" => $linkrefid
);
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
$attrs = array(
"continue" => "Yes"
);
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$attrs = array();
$attrs = array(
"respident" => "MCMR"
);
$a_xml_writer->xmlStartTag("not");
$a_xml_writer->xmlElement("varequal", $attrs, $index);
$a_xml_writer->xmlEndTag("not");
$a_xml_writer->xmlEndTag("conditionvar");
// qti setvar
$attrs = array(
"action" => "Add"
);
$a_xml_writer->xmlElement("setvar", $attrs, $answer->getPointsUnchecked());
// qti displayfeedback
$linkrefid = "response_$index";
$attrs = array(
"feedbacktype" => "Response",
"linkrefid" => $linkrefid
);
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
$a_xml_writer->xmlEndTag("resprocessing");
// PART III: qti itemfeedback
foreach ($this->answers as $index => $answer)
{
$linkrefid = "response_$index";
$attrs = array(
"ident" => $linkrefid,
"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 $xml;
}
Here is the call graph for this function:
Field Documentation
| assMultipleChoice::$answers |
Definition at line 54 of file class.assMultipleChoice.php.
Referenced by fromXML().
| assMultipleChoice::$output_type |
Definition at line 64 of file class.assMultipleChoice.php.
Referenced by assMultipleChoice(), and setOutputType().
| assMultipleChoice::$question |
Definition at line 45 of file class.assMultipleChoice.php.
Referenced by assMultipleChoice(), and setQuestion().
The documentation for this class was generated from the following file:
- assessment/classes/class.assMultipleChoice.php
