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Public Member Functions | Data Fields
assMultipleChoiceGUI Class Reference
Modules/TestQuestionPool

Multiple choice question GUI representation. More...

+ Inheritance diagram for assMultipleChoiceGUI:
+ Collaboration diagram for assMultipleChoiceGUI:

Public Member Functions

 assMultipleChoiceGUI ($id=-1)
 assMultipleChoiceGUI constructor
 getCommand ($cmd)
 editQuestion ()
 Creates an output of the edit form for the question.
 add ()
 add an answer
 deleteAnswer ()
 delete checked answers
 checkInput ()
 check input fields
 writePostData ()
 Evaluates a posted edit form and writes the form data in the question object.
 outQuestionForTest ($formaction, $active_id, $pass=NULL, $is_postponed=FALSE, $use_post_solutions=FALSE, $show_feedback=FALSE)
 getSolutionOutput ($active_id, $pass=NULL, $graphicalOutput=FALSE, $result_output=FALSE, $show_question_only=TRUE, $show_feedback=FALSE, $show_correct_solution=FALSE)
 getPreview ($show_question_only=FALSE)
 getTestOutput ($active_id, $pass=NULL, $is_postponed=FALSE, $use_post_solutions=FALSE, $show_feedback=FALSE)
 addSuggestedSolution ()
 Handler for cmd[addSuggestedSolution] to add a suggested solution for the question.
 upload ()
 upload an image
 deleteImage ()
 editMode ()
 saveFeedback ()
 Saves the feedback for a single choice question.
 feedback ()
 Creates the output of the feedback page for a single choice question.
 setQuestionTabs ()
 Sets the ILIAS tabs for this question type.
 getChoiceKeys ()
- Public Member Functions inherited from assQuestionGUI
 assQuestionGUI ()
 assQuestionGUI constructor
& executeCommand ()
 execute command
 getType ()
 needed for page editor compliance
 outOtherQuestionData ()
 Sets the extra fields i.e.
 assessment ()
 output assessment
 writeOtherPostData ($result=0)
 Sets the other data i.e.
& _getQuestionGUI ($question_type, $question_id=-1)
 Creates a question gui representation.
 _getGUIClassNameForId ($a_q_id)
 _getClassNameForQType ($q_type)
& createQuestionGUI ($question_type, $question_id=-1)
 Creates a question gui representation.
 getQuestionTemplate ()
 get question template
 getILIASPage ($html="")
 Returns the ILIAS Page around a question.
 outQuestionPage ($a_temp_var, $a_postponed=false, $active_id="", $html="")
 output question page
 cancel ()
 cancel action
 originalSyncForm ($return_to="")
 sync ()
 cancelSync ()
 saveEdit ()
 save question
 save ()
 save question
 apply ()
 apply changes
 cancelExplorer ()
 removeSuggestedSolution ()
 addPG ()
 addST ()
 addGIT ()
 getContextPath ($cont_obj, $a_endnode_id, $a_startnode_id=1)
 get context path in content object tree
 linkChilds ()
 setSequenceNumber ($nr)
 getSequenceNumber ()
 setQuestionCount ($a_question_count)
 getQuestionCount ()
 getErrorMessage ()
 setErrorMessage ($errormessage)
 addErrorMessage ($errormessage)
 outAdditionalOutput ()
 getQuestionType ()
 Returns the question type string.
 getAsValueAttribute ($a_value)
 Returns a HTML value attribute.
 getAnswerFeedbackOutput ($active_id, $pass)
 Returns the answer specific feedback depending on the results of the question.
 outQuestionType ()

Data Fields

 $choiceKeys
- Data Fields inherited from assQuestionGUI
 $object
 $tpl
 $lng
 $error
 $errormessage
 $sequence_no
 sequence number in test
 $question_count
 question count in test

Detailed Description

Multiple choice question GUI representation.

The assMultipleChoiceGUI class encapsulates the GUI representation for multiple choice questions.

Author
Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m
Version
Id:
class.assMultipleChoiceGUI.php 22311 2009-11-09 00:05:25Z hschottm

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

Member Function Documentation

assMultipleChoiceGUI::add ( )

add an answer

Definition at line 315 of file class.assMultipleChoiceGUI.php.

References checkInput(), editQuestion(), ilUtil\sendInfo(), and writePostData().

{
//$this->setObjectData();
$this->writePostData();
if (!$this->checkInput())
{
ilUtil::sendInfo($this->lng->txt("fill_out_all_required_fields_add_answer"));
}
else
{
// add an answer template
$nrOfAnswers = $_POST["nrOfAnswers"];
switch ($nrOfAnswers)
{
case "tf":
// add a true/false answer template
$this->object->addAnswer(
$this->lng->txt("true"),
0,
0,
count($this->object->answers),
""
);
$this->object->addAnswer(
$this->lng->txt("false"),
0,
0,
count($this->object->answers),
""
);
break;
case "yn":
// add a yes/no answer template
$this->object->addAnswer(
$this->lng->txt("yes"),
0,
0,
count($this->object->answers),
""
);
$this->object->addAnswer(
$this->lng->txt("no"),
0,
0,
count($this->object->answers),
""
);
break;
default:
for ($i = 0; $i < $nrOfAnswers; $i++)
{
$this->object->addAnswer(
$this->lng->txt(""),
0,
0,
count($this->object->answers),
""
);
}
break;
}
}
$this->editQuestion();
}

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assMultipleChoiceGUI::addSuggestedSolution ( )

Handler for cmd[addSuggestedSolution] to add a suggested solution for the question.

Handler for cmd[addSuggestedSolution] to add a suggested solution for the question

public

Reimplemented from assQuestionGUI.

Definition at line 863 of file class.assMultipleChoiceGUI.php.

References $_SESSION, checkInput(), editQuestion(), assQuestionGUI\getErrorMessage(), assQuestionGUI\getQuestionTemplate(), ilUtil\sendInfo(), and writePostData().

{
$_SESSION["subquestion_index"] = 0;
if ($_POST["cmd"]["addSuggestedSolution"])
{
if ($this->writePostData())
{
ilUtil::sendInfo($this->getErrorMessage());
$this->editQuestion();
return;
}
if (!$this->checkInput())
{
ilUtil::sendInfo($this->lng->txt("fill_out_all_required_fields_add_answer"));
$this->editQuestion();
return;
}
}
$this->object->saveToDb();
$this->ctrl->setParameter($this, "q_id", $this->object->getId());
$this->tpl->setVariable("HEADER", $this->object->getTitle());
$this->getQuestionTemplate();
parent::addSuggestedSolution();
}

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assMultipleChoiceGUI::assMultipleChoiceGUI (   $id = -1)

assMultipleChoiceGUI constructor

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

Parameters
integer$idThe database id of a multiple choice question object public

Definition at line 49 of file class.assMultipleChoiceGUI.php.

References assQuestionGUI\assQuestionGUI().

{
$this->assQuestionGUI();
include_once "./Modules/TestQuestionPool/classes/class.assMultipleChoice.php";
$this->object = new assMultipleChoice();
if ($id >= 0)
{
$this->object->loadFromDb($id);
}
}

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assMultipleChoiceGUI::checkInput ( )

check input fields

Definition at line 403 of file class.assMultipleChoiceGUI.php.

References $cmd.

Referenced by add(), and addSuggestedSolution().

{
$cmd = $this->ctrl->getCmd();
if ((!$_POST["title"]) or (!$_POST["author"]) or (!$_POST["question"]))
{
//echo "<br>checkInput1:FALSE";
return false;
}
foreach ($_POST as $key => $value)
{
if (preg_match("/answer_(\d+)/", $key, $matches))
{
if (strlen($value) == 0)
{
if (strlen($_POST["uploaded_image_".$matches[1]]) == 0)
{
return false;
}
}
}
}
return true;
}

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assMultipleChoiceGUI::deleteAnswer ( )

delete checked answers

Definition at line 385 of file class.assMultipleChoiceGUI.php.

References editQuestion(), and writePostData().

{
$this->writePostData();
$answers = $_POST["chb_answers"];
if (is_array($answers))
{
arsort($answers);
foreach ($answers as $answer)
{
$this->object->deleteAnswer($answer);
}
}
$this->editQuestion();
}

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assMultipleChoiceGUI::deleteImage ( )

Definition at line 897 of file class.assMultipleChoiceGUI.php.

References editQuestion(), assQuestionGUI\getErrorMessage(), ilUtil\sendInfo(), and writePostData().

{
if ($this->writePostData())
{
ilUtil::sendInfo($this->getErrorMessage());
$this->editQuestion();
return;
}
$imageorder = "";
foreach ($_POST["cmd"] as $key => $value)
{
if (preg_match("/deleteImage_(\d+)/", $key, $matches))
{
$imageorder = $matches[1];
}
}
for ($i = 0; $i < $this->object->getAnswerCount(); $i++)
{
$answer = $this->object->getAnswer($i);
if ($answer->getOrder() == $imageorder)
{
$this->object->deleteImage($answer->getImage());
$this->object->answers[$i]->setImage("");
}
}
$this->editQuestion();
}

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assMultipleChoiceGUI::editMode ( )

Definition at line 925 of file class.assMultipleChoiceGUI.php.

References editQuestion(), and writePostData().

{
global $ilUser;
$this->object->setMultilineAnswerSetting($_POST["multilineAnswers"]);
$this->object->setGraphicalAnswerSetting($_POST["graphicalAnswerSupport"]);
$this->writePostData();
$this->editQuestion();
}

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assMultipleChoiceGUI::editQuestion ( )

Creates an output of the edit form for the question.

Creates an output of the edit form for the question

public

Definition at line 82 of file class.assMultipleChoiceGUI.php.

References $_GET, assQuestion\_getInternalLinkHref(), ilRTE\_getRTEClassname(), ilObject\_lookupType(), ilUtil\getImagePath(), assQuestionGUI\getQuestionTemplate(), assQuestionGUI\outOtherQuestionData(), assQuestionGUI\outQuestionType(), and ilUtil\prepareFormOutput().

Referenced by add(), addSuggestedSolution(), deleteAnswer(), deleteImage(), editMode(), and upload().

{
//$this->tpl->setVariable("HEADER", $this->object->getTitle());
$this->tpl->addJavascript("./Services/JavaScript/js/Basic.js");
$javascript = "<script type=\"text/javascript\">ilAddOnLoad(initialSelect);\n".
"function initialSelect() {\n%s\n}</script>";
$graphical_answer_setting = $this->object->getGraphicalAnswerSetting();
$multiline_answers = $this->object->getMultilineAnswerSetting();
if ($graphical_answer_setting == 0)
{
for ($i = 0; $i < $this->object->getAnswerCount(); $i++)
{
$answer = $this->object->getAnswer($i);
if (strlen($answer->getImage())) $graphical_answer_setting = 1;
}
}
$this->getQuestionTemplate();
$this->tpl->addBlockFile("QUESTION_DATA", "question_data", "tpl.il_as_qpl_mc_mr.html", "Modules/TestQuestionPool");
if ($this->object->getAnswerCount() > 0)
{
$this->tpl->setCurrentBlock("answersheading");
$this->tpl->setVariable("TEXT_POINTS_CHECKED", $this->lng->txt("points_checked"));
$this->tpl->setVariable("TEXT_POINTS_UNCHECKED", $this->lng->txt("points_unchecked"));
$this->tpl->setVariable("TEXT_ANSWER_TEXT", $this->lng->txt("answer_text"));
$this->tpl->parseCurrentBlock();
$this->tpl->setCurrentBlock("selectall");
$this->tpl->setVariable("SELECT_ALL", $this->lng->txt("select_all"));
$this->tpl->parseCurrentBlock();
$this->tpl->setCurrentBlock("existinganswers");
$this->tpl->setVariable("DELETE", $this->lng->txt("delete"));
$this->tpl->setVariable("MOVE", $this->lng->txt("move"));
$this->tpl->setVariable("ARROW", "<img src=\"" . ilUtil::getImagePath("arrow_downright.gif") . "\" alt=\"".$this->lng->txt("arrow_downright")."\">");
$this->tpl->parseCurrentBlock();
}
for ($i = 0; $i < $this->object->getAnswerCount(); $i++)
{
$answer = $this->object->getAnswer($i);
if ($graphical_answer_setting == 1)
{
$imagefilename = $this->object->getImagePath() . $answer->getImage();
if (!@file_exists($imagefilename))
{
$answer->setImage("");
}
if (strlen($answer->getImage()))
{
$imagepath = $this->object->getImagePathWeb() . $answer->getImage();
$this->tpl->setCurrentBlock("graphical_answer_image");
$this->tpl->setVariable("IMAGE_FILE", $imagepath);
if (strlen($answer->getAnswertext()))
{
$this->tpl->setVariable("IMAGE_ALT", ilUtil::prepareFormOutput($answer->getAnswertext()));
}
else
{
$this->tpl->setVariable("IMAGE_ALT", $this->lng->txt("image"));
}
$this->tpl->setVariable("ANSWER_ORDER", $answer->getOrder());
$this->tpl->setVariable("DELETE_IMAGE", $this->lng->txt("delete_image"));
$this->tpl->parseCurrentBlock();
}
$this->tpl->setCurrentBlock("graphical_answer");
$this->tpl->setVariable("ANSWER_ORDER", $answer->getOrder());
$this->tpl->setVariable("UPLOAD_IMAGE", $this->lng->txt("upload_image"));
$this->tpl->setVariable("VALUE_IMAGE", $answer->getImage());
$this->tpl->parseCurrentBlock();
}
if ($multiline_answers)
{
$this->tpl->setCurrentBlock("show_textarea");
$this->tpl->setVariable("ANSWER_ANSWER_ORDER", $answer->getOrder());
$this->tpl->setVariable("VALUE_ANSWER", ilUtil::prepareFormOutput($answer->getAnswertext()));
$this->tpl->parseCurrentBlock();
}
else
{
$this->tpl->setCurrentBlock("show_textinput");
$this->tpl->setVariable("ANSWER_ANSWER_ORDER", $answer->getOrder());
$this->tpl->setVariable("VALUE_ANSWER", ilUtil::prepareFormOutput($answer->getAnswertext()));
$this->tpl->parseCurrentBlock();
}
$this->tpl->setCurrentBlock("answers");
$this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_POINTS_CHECKED", $answer->getPoints());
$this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_POINTS_UNCHECKED", $answer->getPointsUnchecked());
$this->tpl->setVariable("ANSWER_ORDER", $answer->getOrder());
$this->tpl->parseCurrentBlock();
}
// call to other question data i.e. estimated working time block
$this->outOtherQuestionData();
$internallinks = array(
"lm" => $this->lng->txt("obj_lm"),
"st" => $this->lng->txt("obj_st"),
"pg" => $this->lng->txt("obj_pg"),
"glo" => $this->lng->txt("glossary_term")
);
foreach ($internallinks as $key => $value)
{
$this->tpl->setCurrentBlock("internallink");
$this->tpl->setVariable("TYPE_INTERNAL_LINK", $key);
$this->tpl->setVariable("TEXT_INTERNAL_LINK", $value);
$this->tpl->parseCurrentBlock();
}
$this->tpl->setCurrentBlock("HeadContent");
if ($this->object->getAnswerCount() == 0)
{
$this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.title.focus();"));
}
else
{
switch ($this->ctrl->getCmd())
{
case "add":
$nrOfAnswers = $_POST["nrOfAnswers"];
if ((strcmp($nrOfAnswers, "yn") == 0) || (strcmp($nrOfAnswers, "tf") == 0)) $nrOfAnswers = 2;
$this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.answer_".($this->object->getAnswerCount() - $nrOfAnswers).".focus(); document.getElementById('answer_".($this->object->getAnswerCount() - $nrOfAnswers)."').scrollIntoView(\"true\");"));
break;
case "deleteAnswer":
if ($this->object->getAnswerCount() == 0)
{
$this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.title.focus();"));
}
else
{
$this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.answer_".($this->object->getAnswerCount() - 1).".focus(); document.getElementById('answer_".($this->object->getAnswerCount() - 1)."').scrollIntoView(\"true\");"));
}
break;
default:
$this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.title.focus();"));
break;
}
}
$this->tpl->parseCurrentBlock();
for ($i = 1; $i < 10; $i++)
{
$this->tpl->setCurrentBlock("numbers");
$this->tpl->setVariable("VALUE_NUMBER", $i);
if ($i == 1)
{
$this->tpl->setVariable("TEXT_NUMBER", $i . " " . $this->lng->txt("answer"));
}
else
{
$this->tpl->setVariable("TEXT_NUMBER", $i . " " . $this->lng->txt("answers"));
}
$this->tpl->parseCurrentBlock();
}
$this->tpl->setCurrentBlock("question_data");
$this->tpl->setVariable("TEXT_TITLE", $this->lng->txt("title"));
$this->tpl->setVariable("TEXT_AUTHOR", $this->lng->txt("author"));
$this->tpl->setVariable("TEXT_COMMENT", $this->lng->txt("description"));
$this->tpl->setVariable("TEXT_QUESTION", $this->lng->txt("question"));
$this->tpl->setVariable("MULTIPLE_CHOICE_ID", $this->object->getId());
$this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_TITLE", ilUtil::prepareFormOutput($this->object->getTitle()));
$this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_COMMENT", ilUtil::prepareFormOutput($this->object->getComment()));
$this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_AUTHOR", ilUtil::prepareFormOutput($this->object->getAuthor()));
$this->tpl->setVariable("TEXT_GRAPHICAL_ANSWERS", $this->lng->txt("graphical_answers"));
$this->tpl->setVariable("TEXT_HIDE_GRAPHICAL_ANSWER_SUPPORT", $this->lng->txt("graphical_answers_hide"));
$this->tpl->setVariable("TEXT_SHOW_GRAPHICAL_ANSWER_SUPPORT", $this->lng->txt("graphical_answers_show"));
if ($this->object->getGraphicalAnswerSetting() == 1)
{
$this->tpl->setVariable("SELECTED_SHOW_GRAPHICAL_ANSWER_SUPPORT", " selected=\"selected\"");
}
if ($multiline_answers)
{
$this->tpl->setVariable("SELECTED_SHOW_MULTILINE_ANSWERS", " selected=\"selected\"");
}
$this->tpl->setVariable("TEXT_HIDE_MULTILINE_ANSWERS", $this->lng->txt("multiline_answers_hide"));
$this->tpl->setVariable("TEXT_SHOW_MULTILINE_ANSWERS", $this->lng->txt("multiline_answers_show"));
$this->tpl->setVariable("SET_EDIT_MODE", $this->lng->txt("set_edit_mode"));
$questiontext = $this->object->getQuestion();
$this->tpl->setVariable("VALUE_QUESTION", ilUtil::prepareFormOutput($this->object->prepareTextareaOutput($questiontext)));
$this->tpl->setVariable("VALUE_ADD_ANSWER", $this->lng->txt("add"));
$this->tpl->setVariable("TEXT_SHUFFLE_ANSWERS", $this->lng->txt("shuffle_answers"));
$this->tpl->setVariable("TXT_YES", $this->lng->txt("yes"));
$this->tpl->setVariable("TXT_NO", $this->lng->txt("no"));
if ($this->object->getShuffle())
{
$this->tpl->setVariable("SELECTED_YES", " selected=\"selected\"");
}
else
{
$this->tpl->setVariable("SELECTED_NO", " selected=\"selected\"");
}
$this->tpl->setVariable("TEXT_SOLUTION_HINT", $this->lng->txt("solution_hint"));
if (count($this->object->suggested_solutions))
{
$solution_array = $this->object->getSuggestedSolution(0);
include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
$href = assQuestion::_getInternalLinkHref($solution_array["internal_link"]);
$this->tpl->setVariable("TEXT_VALUE_SOLUTION_HINT", " <a href=\"$href\" target=\"content\">" . $this->lng->txt("solution_hint"). "</a> ");
$this->tpl->setVariable("BUTTON_REMOVE_SOLUTION", $this->lng->txt("remove"));
$this->tpl->setVariable("BUTTON_ADD_SOLUTION", $this->lng->txt("change"));
$this->tpl->setVariable("VALUE_SOLUTION_HINT", $solution_array["internal_link"]);
}
else
{
$this->tpl->setVariable("BUTTON_ADD_SOLUTION", $this->lng->txt("add"));
}
$this->tpl->setVariable("SAVE",$this->lng->txt("save"));
$this->tpl->setVariable("SAVE_EDIT", $this->lng->txt("save_edit"));
$this->tpl->setVariable("TXT_REQUIRED_FLD", $this->lng->txt("required_field"));
$this->tpl->setVariable("CANCEL", $this->lng->txt("cancel"));
$this->ctrl->setParameter($this, "sel_question_types", "assMultipleChoice");
$this->tpl->setVariable("ACTION_MULTIPLE_CHOICE_TEST", $this->ctrl->getFormAction($this));
$this->tpl->setVariable("TEXT_QUESTION_TYPE", $this->outQuestionType());
$this->tpl->parseCurrentBlock();
include_once "./Services/RTE/classes/class.ilRTE.php";
$rtestring = ilRTE::_getRTEClassname();
include_once "./Services/RTE/classes/class.$rtestring.php";
$rte = new $rtestring();
$rte->addPlugin("latex");
$rte->addButton("latex"); $rte->addButton("pastelatex");
include_once "./classes/class.ilObject.php";
$obj_id = $_GET["q_id"];
$obj_type = ilObject::_lookupType($_GET["ref_id"], TRUE);
$rte->addRTESupport($obj_id, $obj_type, "assessment");
$this->tpl->setCurrentBlock("adm_content");
//$this->tpl->setVariable("BODY_ATTRIBUTES", " onload=\"initialSelect();\"");
$this->tpl->parseCurrentBlock();
}

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assMultipleChoiceGUI::feedback ( )

Creates the output of the feedback page for a single choice question.

Creates the output of the feedback page for a single choice question

public

Reimplemented from assQuestionGUI.

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

References $_GET, ilRTE\_getRTEClassname(), ilObject\_lookupType(), and ilUtil\prepareFormOutput().

{
$this->tpl->addBlockFile("ADM_CONTENT", "feedback", "tpl.il_as_qpl_mc_mr_feedback.html", "Modules/TestQuestionPool");
foreach ($this->object->answers as $index => $answer)
{
$this->tpl->setCurrentBlock("feedback_answer");
$this->tpl->setVariable("FEEDBACK_TEXT_ANSWER", $this->lng->txt("feedback"));
$this->tpl->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
$this->tpl->setVariable("ANSWER_ID", $index);
$this->tpl->setVariable("VALUE_FEEDBACK_ANSWER", ilUtil::prepareFormOutput($this->object->prepareTextareaOutput($this->object->getFeedbackSingleAnswer($index)), FALSE));
$this->tpl->parseCurrentBlock();
}
$this->tpl->setVariable("FEEDBACK_TEXT", $this->lng->txt("feedback"));
$this->tpl->setVariable("FEEDBACK_COMPLETE", $this->lng->txt("feedback_complete_solution"));
$this->tpl->setVariable("VALUE_FEEDBACK_COMPLETE", ilUtil::prepareFormOutput($this->object->prepareTextareaOutput($this->object->getFeedbackGeneric(1)), FALSE));
$this->tpl->setVariable("FEEDBACK_INCOMPLETE", $this->lng->txt("feedback_incomplete_solution"));
$this->tpl->setVariable("VALUE_FEEDBACK_INCOMPLETE", ilUtil::prepareFormOutput($this->object->prepareTextareaOutput($this->object->getFeedbackGeneric(0)), FALSE));
$this->tpl->setVariable("FEEDBACK_ANSWERS", $this->lng->txt("feedback_answers"));
global $rbacsystem;
if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
{
$this->tpl->setVariable("SAVE", $this->lng->txt("save"));
}
$this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
include_once "./Services/RTE/classes/class.ilRTE.php";
$rtestring = ilRTE::_getRTEClassname();
include_once "./Services/RTE/classes/class.$rtestring.php";
$rte = new $rtestring();
$rte->addPlugin("latex");
$rte->addButton("latex"); $rte->addButton("pastelatex");
include_once "./classes/class.ilObject.php";
$obj_id = $_GET["q_id"];
$obj_type = ilObject::_lookupType($_GET["ref_id"], TRUE);
$rte->addRTESupport($obj_id, $obj_type, "assessment");
}

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assMultipleChoiceGUI::getChoiceKeys ( )

Definition at line 1101 of file class.assMultipleChoiceGUI.php.

References $_GET, $_SESSION, and $choiceKeys.

Referenced by getPreview(), getSolutionOutput(), and getTestOutput().

{
if (strcmp($_GET["activecommand"], "directfeedback") == 0)
{
if (is_array($_SESSION["choicekeys"])) $this->choiceKeys = $_SESSION["choicekeys"];
}
if (!is_array($this->choiceKeys))
{
$this->choiceKeys = array_keys($this->object->answers);
if ($this->object->getShuffle())
{
$this->choiceKeys = $this->object->pcArrayShuffle($this->choiceKeys);
}
}
$_SESSION["choicekeys"] = $this->choiceKeys;
return $this->choiceKeys;
}

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assMultipleChoiceGUI::getCommand (   $cmd)

Reimplemented from assQuestionGUI.

Definition at line 62 of file class.assMultipleChoiceGUI.php.

References $cmd.

{
if (substr($cmd, 0, 6) == "upload")
{
$cmd = "upload";
}
if (substr($cmd, 0, 11) == "deleteImage")
{
$cmd = "deleteImage";
}
return $cmd;
}
assMultipleChoiceGUI::getPreview (   $show_question_only = FALSE)

Definition at line 744 of file class.assMultipleChoiceGUI.php.

References getChoiceKeys(), assQuestionGUI\getILIASPage(), and ilUtil\prepareFormOutput().

{
// shuffle output
$keys = $this->getChoiceKeys();
// generate the question output
include_once "./classes/class.ilTemplate.php";
$template = new ilTemplate("tpl.il_as_qpl_mc_mr_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
foreach ($keys as $answer_id)
{
$answer = $this->object->answers[$answer_id];
if (strlen($answer->getImage()))
{
$template->setCurrentBlock("answer_image");
$template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $answer->getImage());
$alt = $answer->getImage();
if (strlen($answer->getAnswertext()))
{
$alt = $answer->getAnswertext();
}
$alt = preg_replace("/<[^>]*?>/", "", $alt);
$template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
$template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
$template->parseCurrentBlock();
}
$template->setCurrentBlock("answer_row");
$template->setVariable("ANSWER_ID", $answer_id);
$template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
$template->parseCurrentBlock();
}
$questiontext = $this->object->getQuestion();
$template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, TRUE));
$questionoutput = $template->get();
if (!$show_question_only)
{
// get page object output
$questionoutput = $this->getILIASPage($questionoutput);
}
return $questionoutput;
}

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assMultipleChoiceGUI::getSolutionOutput (   $active_id,
  $pass = NULL,
  $graphicalOutput = FALSE,
  $result_output = FALSE,
  $show_question_only = TRUE,
  $show_feedback = FALSE,
  $show_correct_solution = FALSE 
)

Definition at line 578 of file class.assMultipleChoiceGUI.php.

References $ok, $pass, assQuestionGUI\getAnswerFeedbackOutput(), getChoiceKeys(), ilUtil\getHtmlPath(), assQuestionGUI\getILIASPage(), ilUtil\getImagePath(), and ilUtil\prepareFormOutput().

{
// shuffle output
$keys = $this->getChoiceKeys();
// get the solution of the user for the active pass or from the last pass if allowed
$user_solution = array();
if (($active_id > 0) && (!$show_correct_solution))
{
$solutions =& $this->object->getSolutionValues($active_id, $pass);
foreach ($solutions as $idx => $solution_value)
{
array_push($user_solution, $solution_value["value1"]);
}
}
else
{
// take the correct solution instead of the user solution
foreach ($this->object->answers as $index => $answer)
{
$points_checked = $answer->getPointsChecked();
$points_unchecked = $answer->getPointsUnchecked();
if ($points_checked > $points_unchecked)
{
if ($points_checked > 0)
{
array_push($user_solution, $index);
}
}
}
}
// generate the question output
include_once "./classes/class.ilTemplate.php";
$template = new ilTemplate("tpl.il_as_qpl_mc_mr_output_solution.html", TRUE, TRUE, "Modules/TestQuestionPool");
$solutiontemplate = new ilTemplate("tpl.il_as_tst_solution_output.html",TRUE, TRUE, "Modules/TestQuestionPool");
foreach ($keys as $answer_id)
{
$answer = $this->object->answers[$answer_id];
if (($active_id > 0) && (!$show_correct_solution))
{
if ($graphicalOutput)
{
// output of ok/not ok icons for user entered solutions
$ok = FALSE;
$checked = FALSE;
foreach ($user_solution as $mc_solution)
{
if (strcmp($mc_solution, $answer_id) == 0)
{
$checked = TRUE;
}
}
if ($checked)
{
if ($answer->getPointsChecked() > $answer->getPointsUnchecked())
{
$ok = TRUE;
}
else
{
$ok = FALSE;
}
}
else
{
if ($answer->getPointsChecked() > $answer->getPointsUnchecked())
{
$ok = FALSE;
}
else
{
$ok = TRUE;
}
}
if ($ok)
{
$template->setCurrentBlock("icon_ok");
$template->setVariable("ICON_OK", ilUtil::getImagePath("icon_ok.gif"));
$template->setVariable("TEXT_OK", $this->lng->txt("answer_is_right"));
$template->parseCurrentBlock();
}
else
{
$template->setCurrentBlock("icon_ok");
$template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.gif"));
$template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
$template->parseCurrentBlock();
}
}
}
if (strlen($answer->getImage()))
{
$template->setCurrentBlock("answer_image");
$template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $answer->getImage());
list($width, $height, $type, $attr) = getimagesize($this->object->getImagePath() . $answer->getImage());
$alt = $answer->getImage();
if (strlen($answer->getAnswertext()))
{
$alt = $answer->getAnswertext();
}
$alt = preg_replace("/<[^>]*?>/", "", $alt);
$template->setVariable("ATTR", $attr);
$template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
$template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
$template->parseCurrentBlock();
}
if ($show_feedback)
{
foreach ($user_solution as $mc_solution)
{
if (strcmp($mc_solution, $answer_id) == 0)
{
$fb = $this->object->getFeedbackSingleAnswer($answer_id);
if (strlen($fb))
{
$template->setCurrentBlock("feedback");
$template->setVariable("FEEDBACK", $fb);
$template->parseCurrentBlock();
}
}
}
}
$template->setCurrentBlock("answer_row");
$template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
$checked = FALSE;
if ($result_output)
{
$pointschecked = $this->object->answers[$answer_id]->getPointsChecked();
$pointsunchecked = $this->object->answers[$answer_id]->getPointsUnchecked();
$resulttextchecked = ($pointschecked == 1) || ($pointschecked == -1) ? "%s " . $this->lng->txt("point") : "%s " . $this->lng->txt("points");
$resulttextunchecked = ($pointsunchecked == 1) || ($pointsunchecked == -1) ? "%s " . $this->lng->txt("point") : "%s " . $this->lng->txt("points");
$template->setVariable("RESULT_OUTPUT", sprintf("(" . $this->lng->txt("checkbox_checked") . " = $resulttextchecked, " . $this->lng->txt("checkbox_unchecked") . " = $resulttextunchecked)", $pointschecked, $pointsunchecked));
}
foreach ($user_solution as $mc_solution)
{
if (strcmp($mc_solution, $answer_id) == 0)
{
$template->setVariable("SOLUTION_IMAGE", ilUtil::getHtmlPath(ilUtil::getImagePath("checkbox_checked.gif")));
$template->setVariable("SOLUTION_ALT", $this->lng->txt("checked"));
$checked = TRUE;
}
}
if (!$checked)
{
$template->setVariable("SOLUTION_IMAGE", ilUtil::getHtmlPath(ilUtil::getImagePath("checkbox_unchecked.gif")));
$template->setVariable("SOLUTION_ALT", $this->lng->txt("unchecked"));
}
$template->parseCurrentBlock();
}
$questiontext = $this->object->getQuestion();
$template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, TRUE));
$questionoutput = $template->get();
$feedback = ($show_feedback) ? $this->getAnswerFeedbackOutput($active_id, $pass) : "";
if (strlen($feedback)) $solutiontemplate->setVariable("FEEDBACK", $feedback);
$solutiontemplate->setVariable("SOLUTION_OUTPUT", $questionoutput);
$solutionoutput = $solutiontemplate->get();
if (!$show_question_only)
{
// get page object output
$solutionoutput = $this->getILIASPage($solutionoutput);
}
return $solutionoutput;
}

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assMultipleChoiceGUI::getTestOutput (   $active_id,
  $pass = NULL,
  $is_postponed = FALSE,
  $use_post_solutions = FALSE,
  $show_feedback = FALSE 
)

Definition at line 785 of file class.assMultipleChoiceGUI.php.

References $pass, ilObjTest\_getPass(), ilObjTest\_getUsePreviousAnswers(), getChoiceKeys(), assQuestionGUI\outQuestionPage(), and ilUtil\prepareFormOutput().

Referenced by outQuestionForTest().

{
// shuffle output
$keys = $this->getChoiceKeys();
// get the solution of the user for the active pass or from the last pass if allowed
$user_solution = array();
if ($active_id)
{
$solutions = NULL;
include_once "./Modules/Test/classes/class.ilObjTest.php";
if (!ilObjTest::_getUsePreviousAnswers($active_id, true))
{
if (is_null($pass)) $pass = ilObjTest::_getPass($active_id);
}
$solutions =& $this->object->getSolutionValues($active_id, $pass);
foreach ($solutions as $idx => $solution_value)
{
array_push($user_solution, $solution_value["value1"]);
}
}
// generate the question output
include_once "./classes/class.ilTemplate.php";
$template = new ilTemplate("tpl.il_as_qpl_mc_mr_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
foreach ($keys as $answer_id)
{
$answer = $this->object->answers[$answer_id];
if (strlen($answer->getImage()))
{
$template->setCurrentBlock("answer_image");
$template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $answer->getImage());
$alt = $answer->getImage();
if (strlen($answer->getAnswertext()))
{
$alt = $answer->getAnswertext();
}
$alt = preg_replace("/<[^>]*?>/", "", $alt);
$template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
$template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
$template->parseCurrentBlock();
}
foreach ($user_solution as $mc_solution)
{
if (strcmp($mc_solution, $answer_id) == 0)
{
if ($show_feedback)
{
$feedback = $this->object->getFeedbackSingleAnswer($answer_id);
if (strlen($feedback))
{
$template->setCurrentBlock("feedback");
$template->setVariable("FEEDBACK", $feedback);
$template->parseCurrentBlock();
}
}
}
}
$template->setCurrentBlock("answer_row");
$template->setVariable("ANSWER_ID", $answer_id);
$template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
foreach ($user_solution as $mc_solution)
{
if (strcmp($mc_solution, $answer_id) == 0)
{
$template->setVariable("CHECKED_ANSWER", " checked=\"checked\"");
}
}
$template->parseCurrentBlock();
}
$questiontext = $this->object->getQuestion();
$template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, TRUE));
$questionoutput = $template->get();
$pageoutput = $this->outQuestionPage("", $is_postponed, $active_id, $questionoutput);
return $pageoutput;
}

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assMultipleChoiceGUI::outQuestionForTest (   $formaction,
  $active_id,
  $pass = NULL,
  $is_postponed = FALSE,
  $use_post_solutions = FALSE,
  $show_feedback = FALSE 
)

Definition at line 571 of file class.assMultipleChoiceGUI.php.

References $pass, and getTestOutput().

{
$test_output = $this->getTestOutput($active_id, $pass, $is_postponed, $use_post_solutions, $show_feedback);
$this->tpl->setVariable("QUESTION_OUTPUT", $test_output);
$this->tpl->setVariable("FORMACTION", $formaction);
}

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assMultipleChoiceGUI::saveFeedback ( )

Saves the feedback for a single choice question.

Saves the feedback for a single choice question

public

Reimplemented from assQuestionGUI.

Definition at line 942 of file class.assMultipleChoiceGUI.php.

References ilObjAdvancedEditing\_getUsedHTMLTagsAsString(), and ilUtil\stripSlashes().

{
include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
$this->object->saveFeedbackGeneric(0, ilUtil::stripSlashes($_POST["feedback_incomplete"], false, ilObjAdvancedEditing::_getUsedHTMLTagsAsString("assessment")));
$this->object->saveFeedbackGeneric(1, ilUtil::stripSlashes($_POST["feedback_complete"], false, ilObjAdvancedEditing::_getUsedHTMLTagsAsString("assessment")));
foreach ($this->object->answers as $index => $answer)
{
$this->object->saveFeedbackSingleAnswer($index, ilUtil::stripSlashes($_POST["feedback_answer_$index"], false, ilObjAdvancedEditing::_getUsedHTMLTagsAsString("assessment")));
}
$this->object->cleanupMediaObjectUsage();
parent::saveFeedback();
}

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assMultipleChoiceGUI::setQuestionTabs ( )

Sets the ILIAS tabs for this question type.

Sets the ILIAS tabs for this question type

public

Definition at line 1006 of file class.assMultipleChoiceGUI.php.

References $_GET, and $ref_id.

{
global $rbacsystem, $ilTabs;
$this->ctrl->setParameterByClass("ilpageobjectgui", "q_id", $_GET["q_id"]);
include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
$q_type = $this->object->getQuestionType();
if (strlen($q_type))
{
$classname = $q_type . "GUI";
$this->ctrl->setParameterByClass(strtolower($classname), "sel_question_types", $q_type);
$this->ctrl->setParameterByClass(strtolower($classname), "q_id", $_GET["q_id"]);
}
if ($_GET["q_id"])
{
if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
{
// edit page
$ilTabs->addTarget("edit_content",
$this->ctrl->getLinkTargetByClass("ilPageObjectGUI", "edit"),
array("edit", "insert", "exec_pg"),
"", "", $force_active);
}
// edit page
$ilTabs->addTarget("preview",
$this->ctrl->getLinkTargetByClass("ilPageObjectGUI", "preview"),
array("preview"),
"ilPageObjectGUI", "", $force_active);
}
$force_active = false;
if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
{
$url = "";
if ($classname) $url = $this->ctrl->getLinkTargetByClass($classname, "editQuestion");
$force_active = false;
$commands = $_POST["cmd"];
if (is_array($commands))
{
foreach ($commands as $key => $value)
{
if (preg_match("/^deleteImage_.*/", $key, $matches) ||
preg_match("/^upload_.*/", $key, $matches)
)
{
$force_active = true;
}
}
}
// edit question properties
$ilTabs->addTarget("edit_properties",
$url,
array("editQuestion", "save", "cancel", "addSuggestedSolution",
"cancelExplorer", "linkChilds", "removeSuggestedSolution",
"toggleGraphicalAnswers", "setMediaMode", "uploadingImage", "add", "editMode", "deleteAnswer",
"saveEdit"),
$classname, "", $force_active);
}
if ($_GET["q_id"])
{
$ilTabs->addTarget("feedback",
$this->ctrl->getLinkTargetByClass($classname, "feedback"),
array("feedback", "saveFeedback"),
$classname, "");
}
// Assessment of questions sub menu entry
if ($_GET["q_id"])
{
$ilTabs->addTarget("statistics",
$this->ctrl->getLinkTargetByClass($classname, "assessment"),
array("assessment"),
$classname, "");
}
if (($_GET["calling_test"] > 0) || ($_GET["test_ref_id"] > 0))
{
$ref_id = $_GET["calling_test"];
if (strlen($ref_id) == 0) $ref_id = $_GET["test_ref_id"];
$ilTabs->setBackTarget($this->lng->txt("backtocallingtest"), "ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=$ref_id");
}
else
{
$ilTabs->setBackTarget($this->lng->txt("qpl"), $this->ctrl->getLinkTargetByClass("ilobjquestionpoolgui", "questions"));
}
}
assMultipleChoiceGUI::upload ( )

upload an image

Definition at line 891 of file class.assMultipleChoiceGUI.php.

References editQuestion(), and writePostData().

{
$this->writePostData();
$this->editQuestion();
}

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assMultipleChoiceGUI::writePostData ( )

Evaluates a posted edit form and writes the form data in the question object.

Evaluates a posted edit form and writes the form data in the question object

Returns
integer A positive value, if one of the required fields wasn't set, else 0 private

Reimplemented from assQuestionGUI.

Definition at line 437 of file class.assMultipleChoiceGUI.php.

References $result, ilObjAdvancedEditing\_getUsedHTMLTagsAsString(), ilUtil\sendInfo(), assQuestionGUI\setErrorMessage(), ilUtil\stripSlashes(), and assQuestionGUI\writeOtherPostData().

Referenced by add(), addSuggestedSolution(), deleteAnswer(), deleteImage(), editMode(), and upload().

{
//echo "here!"; exit;
//echo "<br>assMultipleChoiceGUI->writePostData()";
$result = 0;
if ((!$_POST["title"]) or (!$_POST["author"]) or (!$_POST["question"]))
{
$result = 1;
}
if (($result) and (($_POST["cmd"]["add"]) or ($_POST["cmd"]["add_tf"]) or ($_POST["cmd"]["add_yn"])))
{
// You cannot add answers before you enter the required data
ilUtil::sendInfo($this->lng->txt("fill_out_all_required_fields_add_answer"));
$_POST["cmd"]["add"] = "";
$_POST["cmd"]["add_yn"] = "";
$_POST["cmd"]["add_tf"] = "";
}
// Check the creation of new answer text fields
if ($_POST["cmd"]["add"] or $_POST["cmd"]["add_yn"] or $_POST["cmd"]["add_tf"])
{
foreach ($_POST as $key => $value)
{
if (preg_match("/answer_(\d+)/", $key, $matches))
{
if (!$value)
{
$_POST["cmd"]["add"] = "";
$_POST["cmd"]["add_yn"] = "";
$_POST["cmd"]["add_tf"] = "";
ilUtil::sendInfo($this->lng->txt("fill_out_all_answer_fields"));
}
}
}
}
$this->object->setTitle(ilUtil::stripSlashes($_POST["title"]));
$this->object->setAuthor(ilUtil::stripSlashes($_POST["author"]));
$this->object->setComment(ilUtil::stripSlashes($_POST["comment"]));
include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
$questiontext = ilUtil::stripSlashes($_POST["question"], false, ilObjAdvancedEditing::_getUsedHTMLTagsAsString("assessment"));
$this->object->setQuestion($questiontext);
$this->object->setSuggestedSolution($_POST["solution_hint"], 0);
$this->object->setShuffle($_POST["shuffle"]);
$saved = $this->writeOtherPostData($result);
$this->object->setMultilineAnswerSetting($_POST["multilineAnswers"]);
$this->object->setGraphicalAnswerSetting($_POST["graphicalAnswerSupport"]);
// Delete all existing answers and create new answers from the form data
$this->object->flushAnswers();
$graphical_answer_setting = $this->object->getGraphicalAnswerSetting();
// Add all answers from the form into the object
foreach ($_POST as $key => $value)
{
if (preg_match("/answer_(\d+)/", $key, $matches))
{
$answer_image = $_POST["uploaded_image_".$matches[1]];
if ($graphical_answer_setting == 1)
{
foreach ($_FILES as $key2 => $value2)
{
if (preg_match("/image_(\d+)/", $key2, $matches2))
{
if ($matches[1] == $matches2[1])
{
if ($value2["tmp_name"])
{
// upload the image
if ($this->object->getId() <= 0)
{
$this->object->saveToDb();
$saved = true;
$this->error .= $this->lng->txt("question_saved_for_upload") . "<br />";
}
$value2['name'] = $this->object->createNewImageFileName($value2['name']);
$upload_result = $this->object->setImageFile($value2['name'], $value2['tmp_name']);
switch ($upload_result)
{
case 0:
$_POST["image_".$matches2[1]] = $value2['name'];
$answer_image = $value2['name'];
break;
case 1:
$this->error .= $this->lng->txt("error_image_upload_wrong_format") . "<br />";
break;
case 2:
$this->error .= $this->lng->txt("error_image_upload_copy_file") . "<br />";
break;
}
}
}
}
}
}
$points = $_POST["points_checked_$matches[1]"];
$points_unchecked = $_POST["points_unchecked_$matches[1]"];
$answertext = ilUtil::stripSlashes($_POST["$key"], false, ilObjAdvancedEditing::_getUsedHTMLTagsAsString("assessment"));
$this->object->addAnswer(
$answertext,
ilUtil::stripSlashes($points),
ilUtil::stripSlashes($points_unchecked),
ilUtil::stripSlashes($matches[1]),
$answer_image
);
}
}
if ($this->object->getMaximumPoints() < 0)
{
$result = 1;
$this->setErrorMessage($this->lng->txt("enter_enough_positive_points"));
}
// Set the question id from a hidden form parameter
if ($_POST["multiple_choice_id"] > 0)
{
$this->object->setId($_POST["multiple_choice_id"]);
}
if ($saved)
{
// If the question was saved automatically before an upload, we have to make
// sure, that the state after the upload is saved. Otherwise the user could be
// irritated, if he presses cancel, because he only has the question state before
// the upload process.
$this->object->saveToDb();
$this->ctrl->setParameter($this, "q_id", $this->object->getId());
}
return $result;
}

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Field Documentation

assMultipleChoiceGUI::$choiceKeys

Definition at line 39 of file class.assMultipleChoiceGUI.php.

Referenced by getChoiceKeys().

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