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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

 __construct ($id=-1)
 assMultipleChoiceGUI constructor
 writePostData ($always=false)
 Evaluates a posted edit form and writes the form data in the question object.
 editQuestion ($checkonly=FALSE)
 Creates an output of the edit form for the question.
 uploadchoice ()
 Upload an image.
 removeimagechoice ()
 Remove an image.
 addchoice ()
 Add a new answer.
 removechoice ()
 Remove an answer.
 outQuestionForTest ($formaction, $active_id, $pass=NULL, $is_question_postponed=FALSE, $user_post_solutions=FALSE, $show_specific_inline_feedback=FALSE)
 getSolutionOutput ($active_id, $pass=NULL, $graphicalOutput=FALSE, $result_output=FALSE, $show_question_only=TRUE, $show_feedback=FALSE, $show_correct_solution=FALSE, $show_manual_scoring=FALSE, $show_question_text=TRUE)
 Get the question solution output.
 getPreview ($show_question_only=FALSE)
 getTestOutput ($active_id, $pass=NULL, $is_postponed=FALSE, $use_post_solutions=FALSE, $show_feedback=FALSE)
 setQuestionTabs ()
 Sets the ILIAS tabs for this question type.
 getChoiceKeys ()
 Create the key index numbers for the array of choices.
 getSpecificFeedbackOutput ($active_id, $pass)
 Returns the answer specific feedback for the question.
 writeQuestionSpecificPostData ($always=false)
 Extracts the question specific values from $_POST and applies them to the data object.
 writeAnswerSpecificPostData ($always=false)
 Extracts the answer specific values from $_POST and applies them to the data object.
 populateQuestionSpecificFormPart (\ilPropertyFormGUI $form)
 populateAnswerSpecificFormPart (\ilPropertyFormGUI $form)
 getAfterParticipationSuppressionAnswerPostVars ()
 Returns a list of postvars which will be suppressed in the form output when used in scoring adjustment.
 getAfterParticipationSuppressionQuestionPostVars ()
 Returns a list of postvars which will be suppressed in the form output when used in scoring adjustment.
 getAggregatedAnswersView ($relevant_answers)
 Returns an html string containing a question specific representation of the answers so far given in the test for use in the right column in the scoring adjustment user interface.
 aggregateAnswers ($relevant_answers_chosen, $answers_defined_on_question)
 aggregateAnswerVariants ($relevant_answers_chosen)
 renderAggregateView ($aggregate)
 renderVariantsView ($aggregate, $answers)
- Public Member Functions inherited from assQuestionGUI
 __construct ()
 assQuestionGUI constructor
& executeCommand ()
 execute command
 getCommand ($cmd)
 getType ()
 needed for page editor compliance
 setTaxonomyIds ($taxonomyIds)
 getTaxonomyIds ()
 setTargetGui (ilTestPlayerAbstractGUI $linkTargetGui)
 setTargetGuiClass ($targetGuiClass)
 getTargetGuiClass ()
 writePostData ()
 Evaluates a posted edit form and writes the form data in the question object.
 assessment ()
 output assessment
& _getQuestionGUI ($question_type, $question_id=-1)
 Creates a question gui representation and returns the alias to the question gui note: please do not use $this inside this method to allow static calls.
 _getGUIClassNameForId ($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="", $return_to_feedback= '')
 sync ()
 cancelSync ()
 saveEdit ()
 save question
 save ()
 save question
 saveReturn ()
 save question
 apply ()
 apply changes
 getContextPath ($cont_obj, $a_endnode_id, $a_startnode_id=1)
 get context path in content object tree
 setSequenceNumber ($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.
 addNewIdListener (&$a_object, $a_method, $a_parameters="")
 Add a listener that is notified with the new question ID, when a new question is saved.
 callNewIdListeners ($a_new_id)
 Call the new id listeners.
 addQuestionFormCommandButtons ($form)
 Add the command buttons of a question properties form.
 addBasicQuestionFormProperties ($form)
 Add basic question form properties: assessment: title, author, description, question, working time.
 getSelfAssessmentTags ()
 Get tags allowed in question tags in self assessment mode.
 getAnswerFeedbackOutput ($active_id, $pass)
 Returns the answer generic feedback depending on the results of the question.
 getGenericFeedbackOutput ($active_id, $pass)
 Returns the answer specific feedback for the question.
 outQuestionType ()
 showSuggestedSolution ()
 suggestedsolution ()
 Allows to add suggested solutions for questions.
 outSolutionExplorer ()
 saveSuggestedSolution ()
 cancelExplorer ()
 outPageSelector ()
 outChapterSelector ()
 outGlossarySelector ()
 linkChilds ()
 addPG ()
 addST ()
 addGIT ()
 isSaveCommand ()
 isAutosaveable ()
 showHints ()
- Public Member Functions inherited from ilGuiQuestionScoringAdjustable
 populateQuestionSpecificFormPart (ilPropertyFormGUI $form)
 Adds the question specific forms parts to a question property form gui.
- Public Member Functions inherited from ilGuiAnswerScoringAdjustable
 populateAnswerSpecificFormPart (ilPropertyFormGUI $form)
 Adds the answer specific form parts to a question property form gui.

Data Fields

 $choiceKeys
- Data Fields inherited from assQuestionGUI
const FORM_MODE_EDIT = 'edit'
const FORM_MODE_ADJUST = 'adjust'
 $object
 $tpl
 $lng
 $error
 $errormessage
 $sequence_no
 sequence number in test
 $question_count
 question count in test

Additional Inherited Members

- Static Public Member Functions inherited from assQuestionGUI
static getCommandsFromClassConstants ($guiClassName, $cmdConstantNameBegin= 'CMD_')
 extracts values of all constants of given class with given prefix as array can be used to get all possible commands in case of these commands are defined as constants
- Protected Member Functions inherited from assQuestionGUI
 saveTaxonomyAssignments ()
 populateTaxonomyFormSection (ilPropertyFormGUI $form)
 addTab_QuestionFeedback (ilTabsGUI $tabs)
 adds the feedback tab to ilTabsGUI
 addTab_QuestionHints (ilTabsGUI $tabs)
 adds the hints tab to ilTabsGUI
 writeQuestionGenericPostData ()

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
Björn Heyser bheys.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de
Maximilian Becker mbeck.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de
Version
Id:
class.assMultipleChoiceGUI.php 57376 2015-01-22 16:21:27Z mbecker

Definition at line 23 of file class.assMultipleChoiceGUI.php.

Constructor & Destructor Documentation

assMultipleChoiceGUI::__construct (   $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 35 of file class.assMultipleChoiceGUI.php.

References assQuestionGUI\__construct().

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

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Member Function Documentation

assMultipleChoiceGUI::addchoice ( )

Add a new answer.

Definition at line 142 of file class.assMultipleChoiceGUI.php.

References $_POST, editQuestion(), and assQuestionGUI\writePostData().

{
$this->writePostData(true);
$position = key($_POST['cmd']['addchoice']);
$this->object->addAnswer("", 0, 0, $position+1);
$this->editQuestion();
}

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assMultipleChoiceGUI::aggregateAnswers (   $relevant_answers_chosen,
  $answers_defined_on_question 
)

Definition at line 992 of file class.assMultipleChoiceGUI.php.

Referenced by getAggregatedAnswersView().

{
$aggregate = array();
foreach ($answers_defined_on_question as $answer)
{
$aggregated_info_for_answer = array();
$aggregated_info_for_answer['answertext'] = $answer->getAnswerText();
$aggregated_info_for_answer['count_checked'] = 0;
foreach ($relevant_answers_chosen as $relevant_answer)
{
if ($relevant_answer['value1'] == $answer->getOrder())
{
$aggregated_info_for_answer['count_checked']++;
}
}
$aggregated_info_for_answer['count_unchecked'] =
ceil(count($relevant_answers_chosen) / count($answers_defined_on_question))
- $aggregated_info_for_answer['count_checked'];
$aggregate[] = $aggregated_info_for_answer;
}
return $aggregate;
}

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assMultipleChoiceGUI::aggregateAnswerVariants (   $relevant_answers_chosen)

Definition at line 1017 of file class.assMultipleChoiceGUI.php.

Referenced by getAggregatedAnswersView().

{
$variants = array();
$passdata = array();
foreach ($relevant_answers_chosen as $relevant_answer)
{
$pass_ident = $relevant_answer['active_fi'].$relevant_answer['pass'];
$answer = $passdata[$pass_ident];
if (strlen($answer))
{
$answer_elements = explode(',', $answer);
} else {
$answer_elements = array();
}
$answer_elements[] = $relevant_answer['value1'];
$passdata[$pass_ident] = implode(',',$answer_elements);
}
foreach($passdata as $passident => $behaviour)
{
$variants[$behaviour]++;
}
arsort($variants);
return $variants;
}

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assMultipleChoiceGUI::editQuestion (   $checkonly = FALSE)

Creates an output of the edit form for the question.

Parameters
bool$checkonly
Returns
bool

Definition at line 74 of file class.assMultipleChoiceGUI.php.

References $_POST, $errors, assQuestionGUI\addBasicQuestionFormProperties(), assQuestionGUI\addQuestionFormCommandButtons(), assQuestionGUI\getQuestionTemplate(), assQuestionGUI\isSaveCommand(), assQuestionGUI\outQuestionType(), populateAnswerSpecificFormPart(), populateQuestionSpecificFormPart(), and assQuestionGUI\populateTaxonomyFormSection().

Referenced by addchoice(), removechoice(), removeimagechoice(), uploadchoice(), and writePostData().

{
$save = $this->isSaveCommand();
$this->getQuestionTemplate();
include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
$form = new ilPropertyFormGUI();
$form->setFormAction($this->ctrl->getFormAction($this));
$form->setTitle($this->outQuestionType());
$isSingleline = ($this->object->lastChange == 0 && !array_key_exists('types', $_POST)) ? (($this->object->getMultilineAnswerSetting()) ? false : true) : $this->object->isSingleline;
if ($checkonly) $isSingleline = ($_POST['types'] == 0) ? true : false;
if ($isSingleline)
{
$form->setMultipart(TRUE);
}
else
{
$form->setMultipart(FALSE);
}
$form->setTableWidth("100%");
$form->setId("assmultiplechoice");
// title, author, description, question, working time (assessment mode)
$this->addBasicQuestionFormProperties( $form );
$this->populateQuestionSpecificFormPart( $form );
$this->populateAnswerSpecificFormPart( $form );
$this->populateTaxonomyFormSection($form);
$this->addQuestionFormCommandButtons($form);
$errors = false;
if ($save)
{
$form->setValuesByPost();
$errors = !$form->checkInput();
$form->setValuesByPost(); // again, because checkInput now performs the whole stripSlashes handling and we need this if we don't want to have duplication of backslashes
if ($errors) $checkonly = false;
}
if (!$checkonly) $this->tpl->setVariable("QUESTION_DATA", $form->getHTML());
return $errors;
}

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assMultipleChoiceGUI::getAfterParticipationSuppressionAnswerPostVars ( )

Returns a list of postvars which will be suppressed in the form output when used in scoring adjustment.

The form elements will be shown disabled, so the users see the usual form but can only edit the settings, which make sense in the given context.

E.g. array('cloze_type', 'image_filename')

Returns
string[]

Implements ilGuiAnswerScoringAdjustable.

Definition at line 920 of file class.assMultipleChoiceGUI.php.

{
return array();
}
assMultipleChoiceGUI::getAfterParticipationSuppressionQuestionPostVars ( )

Returns a list of postvars which will be suppressed in the form output when used in scoring adjustment.

The form elements will be shown disabled, so the users see the usual form but can only edit the settings, which make sense in the given context.

E.g. array('cloze_type', 'image_filename')

Returns
string[]

Implements ilGuiQuestionScoringAdjustable.

Definition at line 934 of file class.assMultipleChoiceGUI.php.

{
return array('shuffle','types','thumb_size');
}
assMultipleChoiceGUI::getAggregatedAnswersView (   $relevant_answers)

Returns an html string containing a question specific representation of the answers so far given in the test for use in the right column in the scoring adjustment user interface.

Parameters
array$relevant_answers
Returns
string

Implements ilGuiQuestionScoringAdjustable.

Definition at line 957 of file class.assMultipleChoiceGUI.php.

References assQuestionGUI\$tpl, aggregateAnswers(), aggregateAnswerVariants(), renderAggregateView(), and renderVariantsView().

{
$actives = array();
foreach($relevant_answers as $answer)
{
$actives[$answer['active_fi']] = max($answer['pass'], $actives[$answer['pass']]);
}
$usercount = count($actives);
$passcount = 0;
foreach($actives as $active)
{
$passcount += $active;
}
$passcount = $passcount + $usercount; // Add pass 0
$tpl = new ilTemplate('tpl.il_as_aggregated_answers_header.html', true, true, "Modules/TestQuestionPool");
$tpl->setVariable('HEADERTEXT', $this->lng->txt('overview'));
$tpl->setVariable('NUMBER_OF_USERS_INFO', $this->lng->txt('number_of_users'));
$tpl->setVariable('NUMBER_OF_USERS', $usercount);
$tpl->setVariable('NUMBER_OF_PASSES_INFO', $this->lng->txt('number_of_passes'));
$tpl->setVariable('NUMBER_OF_PASSES', $passcount);
$header = $tpl->get();
$overview = $this->renderAggregateView(
$this->aggregateAnswers( $relevant_answers, $this->object->getAnswers() )
)->get();
$variants = $this->renderVariantsView(
$this->aggregateAnswerVariants($relevant_answers, $this->object->getAnswers()),
$this->object->getAnswers()
)->get();
return $header . $overview . $variants ;
}

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assMultipleChoiceGUI::getChoiceKeys ( )

Create the key index numbers for the array of choices.

Returns
array

Definition at line 746 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::getPreview (   $show_question_only = FALSE)

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

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

{
// shuffle output
$keys = $this->getChoiceKeys();
// generate the question output
include_once "./Services/UICore/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($answer->getImage()))
{
if ($this->object->getThumbSize())
{
$template->setCurrentBlock("preview");
$template->setVariable("URL_PREVIEW", $this->object->getImagePathWeb() . $answer->getImage());
$template->setVariable("TEXT_PREVIEW", $this->lng->txt('preview'));
$template->setVariable("IMG_PREVIEW", ilUtil::getImagePath('enlarge.png'));
$template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $this->object->getThumbPrefix() . $answer->getImage());
list($width, $height, $type, $attr) = getimagesize($this->object->getImagePath() . $answer->getImage());
$alt = $answer->getImage();
if (strlen($answer->getAnswertext()))
{
$alt = $answer->getAnswertext();
}
$alt = preg_replace("/<[^>]*?>/", "", $alt);
$template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
$template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
$template->parseCurrentBlock();
}
else
{
$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();
}
}
$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,
  $show_manual_scoring = FALSE,
  $show_question_text = TRUE 
)

Get the question solution output.

Parameters
integer$active_idThe active user id
integer$passThe test pass
boolean$graphicalOutputShow visual feedback for right/wrong answers
boolean$result_outputShow the reached points for parts of the question
boolean$show_question_onlyShow the question without the ILIAS content around
boolean$show_feedbackShow the question feedback
boolean$show_correct_solutionShow the correct solution instead of the user solution
boolean$show_manual_scoringShow specific information for the manual scoring output
bool$show_question_text
Returns
string The solution output of the question as HTML code

Reimplemented from assQuestionGUI.

Definition at line 205 of file class.assMultipleChoiceGUI.php.

References $ok, $pass, assQuestionGUI\getAnswerFeedbackOutput(), getChoiceKeys(), ilUtil\getHtmlPath(), 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 "./Services/UICore/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.png"));
$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.png"));
$template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
$template->parseCurrentBlock();
}
}
}
if (strlen($answer->getImage()))
{
$template->setCurrentBlock("answer_image");
if ($this->object->getThumbSize())
{
$template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $this->object->getThumbPrefix() . $answer->getImage());
}
else
{
$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));
$template->parseCurrentBlock();
}
if ($show_feedback)
{
if ($this->object->getSpecificFeedbackSetting() == 2)
{
foreach ($user_solution as $mc_solution)
{
if (strcmp($mc_solution, $answer_id) == 0)
{
$fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
$this->object->getId(), $answer_id
);
if (strlen($fb))
{
$template->setCurrentBlock("feedback");
$template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
$template->parseCurrentBlock();
}
}
}
}
if ($this->object->getSpecificFeedbackSetting() == 1)
{
$fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
$this->object->getId(), $answer_id
);
if (strlen($fb))
{
$template->setCurrentBlock("feedback");
$template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
$template->parseCurrentBlock();
}
}
if ($this->object->getSpecificFeedbackSetting() == 3)
{
$answer = $this->object->getAnswer($answer_id);
if ($answer->getPoints() > 0)
{
$fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
$this->object->getId(), $answer_id
);
if (strlen($fb))
{
$template->setCurrentBlock("feedback");
$template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
$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.png")));
$template->setVariable("SOLUTION_ALT", $this->lng->txt("checked"));
$checked = TRUE;
}
}
if (!$checked)
{
$template->setVariable("SOLUTION_IMAGE", ilUtil::getHtmlPath(ilUtil::getImagePath("checkbox_unchecked.png")));
$template->setVariable("SOLUTION_ALT", $this->lng->txt("unchecked"));
}
$template->parseCurrentBlock();
}
$questiontext = $this->object->getQuestion();
if ($show_question_text==true)
{
$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", $this->object->prepareTextareaOutput( $feedback , true ));
$solutiontemplate->setVariable("SOLUTION_OUTPUT", $questionoutput);
$solutionoutput = $solutiontemplate->get();
if (!$show_question_only)
{
// get page object output
$solutionoutput = '<div class="ilc_question_Standard">'.$solutionoutput."</div>";
}
return $solutionoutput;
}

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assMultipleChoiceGUI::getSpecificFeedbackOutput (   $active_id,
  $pass 
)

Returns the answer specific feedback for the question.

This method should be overwritten by the actual question.

Todo:
Mark this method abstract!
Parameters
integer$active_idActive ID of the user
integer$passActive pass
Returns
string HTML Code with the answer specific feedback public

Reimplemented from assQuestionGUI.

Definition at line 764 of file class.assMultipleChoiceGUI.php.

{
// No return value, this question type supports inline specific feedback.
$output = "";
return $this->object->prepareTextareaOutput($output, TRUE);
}
assMultipleChoiceGUI::getTestOutput (   $active_id,
  $pass = NULL,
  $is_postponed = FALSE,
  $use_post_solutions = FALSE,
  $show_feedback = FALSE 
)
Parameters
integer$active_id
integer | null$pass
bool$is_postponed
bool$use_post_solutions
bool$show_feedback
Returns
string

Definition at line 502 of file class.assMultipleChoiceGUI.php.

References $pass, ilObjTest\_getPass(), ilObjTest\_getUsePreviousAnswers(), getChoiceKeys(), ilUtil\getImagePath(), 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 "./Services/UICore/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($answer->getImage()))
{
if ($this->object->getThumbSize())
{
$template->setCurrentBlock("preview");
$template->setVariable("URL_PREVIEW", $this->object->getImagePathWeb() . $answer->getImage());
$template->setVariable("TEXT_PREVIEW", $this->lng->txt('preview'));
$template->setVariable("IMG_PREVIEW", ilUtil::getImagePath('enlarge.png'));
$template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $this->object->getThumbPrefix() . $answer->getImage());
list($width, $height, $type, $attr) = getimagesize($this->object->getImagePath() . $answer->getImage());
$alt = $answer->getImage();
if (strlen($answer->getAnswertext()))
{
$alt = $answer->getAnswertext();
}
$alt = preg_replace("/<[^>]*?>/", "", $alt);
$template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
$template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
$template->parseCurrentBlock();
}
else
{
$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 && $this->object->getSpecificFeedbackSetting() == 2)
{
foreach ($user_solution as $mc_solution)
{
if (strcmp($mc_solution, $answer_id) == 0)
{
$fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
$this->object->getId(), $answer_id
);
if (strlen($fb))
{
$template->setCurrentBlock("feedback");
$template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
$template->parseCurrentBlock();
}
}
}
}
if ($show_feedback && $this->object->getSpecificFeedbackSetting() == 1)
{
$fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
$this->object->getId(), $answer_id
);
if (strlen($fb))
{
$template->setCurrentBlock("feedback");
$template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
$template->parseCurrentBlock();
}
}
if ($show_feedback && $this->object->getSpecificFeedbackSetting() == 3)
{
$answer = $this->object->getAnswer($answer_id);
if ($answer->getPoints() > 0)
{
$fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
$this->object->getId(), $answer_id
);
if (strlen($fb))
{
$template->setCurrentBlock("feedback");
$template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
$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_question_postponed = FALSE,
  $user_post_solutions = FALSE,
  $show_specific_inline_feedback = FALSE 
)
Parameters
string$formaction
integer$active_id
integer | null$pass
bool$is_question_postponed
bool$user_post_solutions
bool$show_specific_inline_feedback

Definition at line 169 of file class.assMultipleChoiceGUI.php.

References $pass, and getTestOutput().

{
$test_output = $this->getTestOutput(
$active_id,
$pass,
$is_question_postponed,
$user_post_solutions,
$show_specific_inline_feedback
);
$this->tpl->setVariable("QUESTION_OUTPUT", $test_output);
$this->tpl->setVariable("FORMACTION", $formaction);
}

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assMultipleChoiceGUI::populateAnswerSpecificFormPart ( \ilPropertyFormGUI  $form)

Definition at line 888 of file class.assMultipleChoiceGUI.php.

References $_POST, ilPropertyFormGUI\addItem(), and ilFormPropertyGUI\setRequired().

Referenced by editQuestion().

{
// Choices
include_once "./Modules/TestQuestionPool/classes/class.ilMultipleChoiceWizardInputGUI.php";
$choices = new ilMultipleChoiceWizardInputGUI($this->lng->txt( "answers" ), "choice");
$choices->setRequired( true );
$choices->setQuestionObject( $this->object );
$isSingleline = ($this->object->lastChange == 0 && !array_key_exists( 'types',
$_POST
)) ? (($this->object->getMultilineAnswerSetting()) ? false : true) : $this->object->isSingleline;
$choices->setSingleline( $isSingleline );
$choices->setAllowMove( false );
if ($this->object->getSelfAssessmentEditingMode())
{
$choices->setSize( 40 );
$choices->setMaxLength( 800 );
}
if ($this->object->getAnswerCount() == 0)
$this->object->addAnswer( "", 0, 0, 0 );
$choices->setValues( $this->object->getAnswers() );
$form->addItem( $choices );
}

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assMultipleChoiceGUI::populateQuestionSpecificFormPart ( \ilPropertyFormGUI  $form)

Definition at line 838 of file class.assMultipleChoiceGUI.php.

References $_POST, ilPropertyFormGUI\addItem(), ilFormPropertyGUI\setRequired(), ilNumberInputGUI\setSuffix(), and ilCheckboxInputGUI\setValue().

Referenced by editQuestion().

{
// shuffle
$shuffle = new ilCheckboxInputGUI($this->lng->txt( "shuffle_answers" ), "shuffle");
$shuffle->setValue( 1 );
$shuffle->setChecked( $this->object->getShuffle() );
$shuffle->setRequired( FALSE );
$form->addItem( $shuffle );
if ($this->object->getId())
{
$hidden = new ilHiddenInputGUI("", "ID");
$hidden->setValue( $this->object->getId() );
$form->addItem( $hidden );
}
if (!$this->object->getSelfAssessmentEditingMode())
{
$isSingleline = ($this->object->lastChange == 0 && !array_key_exists( 'types',
$_POST
)) ? (($this->object->getMultilineAnswerSetting()) ? false : true) : $this->object->isSingleline;
// Answer types
$types = new ilSelectInputGUI($this->lng->txt( "answer_types" ), "types");
$types->setRequired( false );
$types->setValue( ($isSingleline) ? 0 : 1 );
$types->setOptions( array(
0 => $this->lng->txt( 'answers_singleline' ),
1 => $this->lng->txt( 'answers_multiline' ),
)
);
$form->addItem( $types );
}
if ($isSingleline)
{
// thumb size
$thumb_size = new ilNumberInputGUI($this->lng->txt( "thumb_size" ), "thumb_size");
$thumb_size->setSuffix($this->lng->txt("thumb_size_unit_pixel"));
$thumb_size->setMinValue( 20 );
$thumb_size->setDecimals( 0 );
$thumb_size->setSize( 6 );
$thumb_size->setInfo( $this->lng->txt( 'thumb_size_info' ) );
$thumb_size->setValue( $this->object->getThumbSize() );
$thumb_size->setRequired( false );
$form->addItem( $thumb_size );
return $isSingleline;
}
return $isSingleline;
}

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assMultipleChoiceGUI::removechoice ( )

Remove an answer.

Definition at line 153 of file class.assMultipleChoiceGUI.php.

References $_POST, editQuestion(), and assQuestionGUI\writePostData().

{
$this->writePostData(true);
$position = key($_POST['cmd']['removechoice']);
$this->object->deleteAnswer($position);
$this->editQuestion();
}

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assMultipleChoiceGUI::removeimagechoice ( )

Remove an image.

Definition at line 130 of file class.assMultipleChoiceGUI.php.

References $_POST, $filename, editQuestion(), and assQuestionGUI\writePostData().

{
$this->writePostData(true);
$position = key($_POST['cmd']['removeimagechoice']);
$filename = $_POST['choice']['imagename'][$position];
$this->object->removeAnswerImage($position);
$this->editQuestion();
}

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assMultipleChoiceGUI::renderAggregateView (   $aggregate)
Parameters
$aggregate
Returns
ilTemplate

Definition at line 1047 of file class.assMultipleChoiceGUI.php.

References assQuestionGUI\$tpl.

Referenced by getAggregatedAnswersView().

{
$tpl = new ilTemplate('tpl.il_as_aggregated_answers_table.html', true, true, "Modules/TestQuestionPool");
$tpl->setVariable( 'OPTION_HEADER', $this->lng->txt('option') );
$tpl->setVariable( 'COUNT_HEADER', $this->lng->txt('count') );
$tpl->setVariable( 'AGGREGATION_HEADER', $this->lng->txt('aggregated_answers_header') );
foreach ($aggregate as $line_data)
{
$tpl->setCurrentBlock( 'aggregaterow' );
$tpl->setVariable( 'OPTION', $line_data['answertext'] );
$tpl->setVariable( 'COUNT', $line_data['count_checked'] );
$tpl->parseCurrentBlock();
}
return $tpl;
}

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assMultipleChoiceGUI::renderVariantsView (   $aggregate,
  $answers 
)

Definition at line 1063 of file class.assMultipleChoiceGUI.php.

References $options, and assQuestionGUI\$tpl.

Referenced by getAggregatedAnswersView().

{
$tpl = new ilTemplate( 'tpl.il_as_aggregated_answers_table.html', true, true, "Modules/TestQuestionPool" );
$tpl->setVariable( 'OPTION_HEADER', $this->lng->txt( 'answer_variant' ) );
$tpl->setVariable( 'COUNT_HEADER', $this->lng->txt( 'count' ) );
$tpl->setVariable( 'AGGREGATION_HEADER', $this->lng->txt( 'aggregated_answers_variants' ) );
foreach ($aggregate as $options => $count)
{
$tpl->setCurrentBlock( 'aggregaterow' );
$optionstext = array();
foreach (explode( ',', $options ) as $option)
{
$answer = $answers[$option];
$optionstext[] = $answer->getAnswerText();
}
$tpl->setVariable( 'OPTION', implode( ',&nbsp;', $optionstext ) );
$tpl->setVariable( 'COUNT', $count );
$tpl->parseCurrentBlock();
}
return $tpl;
}

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assMultipleChoiceGUI::setQuestionTabs ( )

Sets the ILIAS tabs for this question type.

Todo:
: MOVE THIS STEPS TO COMMON QUESTION CLASS assQuestionGUI

Reimplemented from assQuestionGUI.

Definition at line 648 of file class.assMultipleChoiceGUI.php.

References $_GET, $ref_id, assQuestionGUI\addTab_QuestionFeedback(), assQuestionGUI\addTab_QuestionHints(), and ilTestExpressPage\getReturnToPageLink().

{
global $rbacsystem, $ilTabs;
$this->ctrl->setParameterByClass("ilAssQuestionPageGUI", "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_page",
$this->ctrl->getLinkTargetByClass("ilAssQuestionPageGUI", "edit"),
array("edit", "insert", "exec_pg"),
"", "", $force_active);
}
// edit page
$ilTabs->addTarget("preview",
$this->ctrl->getLinkTargetByClass("ilAssQuestionPageGUI", "preview"),
array("preview"),
"ilAssQuestionPageGUI", "", $force_active);
}
$force_active = false;
if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
{
$url = "";
if ($classname) $url = $this->ctrl->getLinkTargetByClass($classname, "editQuestion");
$force_active = false;
// edit question properties
$ilTabs->addTarget("edit_question",
$url,
array("editQuestion", "save", "saveEdit", "addchoice", "removechoice", "removeimagechoice", "uploadchoice", "originalSyncForm"),
$classname, "", $force_active);
}
// add tab for question feedback within common class assQuestionGUI
$this->addTab_QuestionFeedback($ilTabs);
// add tab for question hint within common class assQuestionGUI
$this->addTab_QuestionHints($ilTabs);
if ($_GET["q_id"])
{
$ilTabs->addTarget("solution_hint",
$this->ctrl->getLinkTargetByClass($classname, "suggestedsolution"),
array("suggestedsolution", "saveSuggestedSolution", "outSolutionExplorer", "cancel",
"addSuggestedSolution","cancelExplorer", "linkChilds", "removeSuggestedSolution"
),
$classname,
""
);
}
// Assessment of questions sub menu entry
if ($_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"];
global $___test_express_mode;
if (!$_GET['test_express_mode'] && !$___test_express_mode) {
$ilTabs->setBackTarget($this->lng->txt("backtocallingtest"), "ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=$ref_id");
}
else {
$link = ilTestExpressPage::getReturnToPageLink();
$ilTabs->setBackTarget($this->lng->txt("backtocallingtest"), $link);
}
}
else
{
$ilTabs->setBackTarget($this->lng->txt("qpl"), $this->ctrl->getLinkTargetByClass("ilobjquestionpoolgui", "questions"));
}
}

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assMultipleChoiceGUI::uploadchoice ( )

Upload an image.

Definition at line 120 of file class.assMultipleChoiceGUI.php.

References $_POST, editQuestion(), and assQuestionGUI\writePostData().

{
$this->writePostData(true);
$position = key($_POST['cmd']['uploadchoice']);
$this->editQuestion();
}

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assMultipleChoiceGUI::writeAnswerSpecificPostData (   $always = false)

Extracts the answer specific values from $_POST and applies them to the data object.

Parameters
bool$alwaysIf true, a check for form validity is omitted.
Returns
void

Implements ilGuiAnswerScoringAdjustable.

Definition at line 790 of file class.assMultipleChoiceGUI.php.

References $_POST, and $filename.

Referenced by writePostData().

{
// Delete all existing answers and create new answers from the form data
$this->object->flushAnswers();
if ($this->object->isSingleline)
{
foreach ($_POST['choice']['answer'] as $index => $answertext)
{
$picturefile = $_POST['choice']['imagename'][$index];
$file_org_name = $_FILES['choice']['name']['image'][$index];
$file_temp_name = $_FILES['choice']['tmp_name']['image'][$index];
if (strlen( $file_temp_name ))
{
// check suffix
$suffix = strtolower( array_pop( explode( ".", $file_org_name ) ) );
if (in_array( $suffix, array( "jpg", "jpeg", "png", "gif" ) ))
{
// upload image
$filename = $this->object->createNewImageFileName( $file_org_name );
if ($this->object->setImageFile( $filename, $file_temp_name ) == 0)
{
$picturefile = $filename;
}
}
}
$this->object->addAnswer( $answertext,
$_POST['choice']['points'][$index],
$_POST['choice']['points_unchecked'][$index],
$index,
$picturefile
);
}
}
else
{
foreach ($_POST['choice']['answer'] as $index => $answer)
{
$answertext = $answer;
$this->object->addAnswer( $answertext,
$_POST['choice']['points'][$index],
$_POST['choice']['points_unchecked'][$index],
$index
);
}
}
}

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assMultipleChoiceGUI::writePostData (   $always = false)

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

Parameters
bool$always
Returns
integer A positive value, if one of the required fields wasn't set, else 0

Definition at line 53 of file class.assMultipleChoiceGUI.php.

References editQuestion(), assQuestionGUI\saveTaxonomyAssignments(), writeAnswerSpecificPostData(), assQuestionGUI\writeQuestionGenericPostData(), and writeQuestionSpecificPostData().

{
$hasErrors = (!$always) ? $this->editQuestion(true) : false;
if (!$hasErrors)
{
$this->writeQuestionGenericPostData();
$this->writeQuestionSpecificPostData();
$this->writeAnswerSpecificPostData();
$this->saveTaxonomyAssignments();
return 0;
}
return 1;
}

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assMultipleChoiceGUI::writeQuestionSpecificPostData (   $always = false)

Extracts the question specific values from $_POST and applies them to the data object.

Parameters
bool$alwaysIf true, a check for form validity is omitted.
Returns
void

Implements ilGuiQuestionScoringAdjustable.

Definition at line 771 of file class.assMultipleChoiceGUI.php.

References $_POST, and ilUtil\sendInfo().

Referenced by writePostData().

{
$this->object->setShuffle( $_POST["shuffle"] );
$this->object->setSpecificFeedbackSetting( $_POST['feedback_setting'] );
$this->object->setMultilineAnswerSetting( $_POST["types"] );
if (is_array( $_POST['choice']['imagename'] ) && $_POST["types"] == 1)
{
$this->object->isSingleline = true;
ilUtil::sendInfo( $this->lng->txt( 'info_answer_type_change' ), true );
}
else
{
$this->object->isSingleline = ($_POST["types"] == 0) ? true : false;
}
$this->object->setThumbSize( (strlen( $_POST["thumb_size"] )) ? $_POST["thumb_size"] : "" );
}

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Field Documentation

assMultipleChoiceGUI::$choiceKeys

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

Referenced by getChoiceKeys().

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