Single choice question GUI representation. More...

Inheritance diagram for assSingleChoiceGUI:

Collaboration diagram for assSingleChoiceGUI:

Public Member Functions
	__construct ($id=-1)
	assSingleChoiceGUI constructor More...

	writePostData ($always=false)
	Evaluates a posted edit form and writes the form data in the question object. More...

	editQuestion ($checkonly=FALSE)
	Creates an output of the edit form for the question. More...

	uploadchoice ()
	Upload an image. More...

	removeimagechoice ()
	Remove an image. More...

	addchoice ()
	Add a new answer. More...

	removechoice ()
	Remove an answer. More...

	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. More...

	getPreview ($show_question_only=FALSE, $showInlineFeedback=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. More...

	getChoiceKeys ()

	getSpecificFeedbackOutput ($active_id, $pass)
	Returns the answer specific feedback for the question. More...

	writeQuestionSpecificPostData (ilPropertyFormGUI $form)
	Extracts the question specific values from $_POST and applies them to the data object. More...

	populateQuestionSpecificFormPart (\ilPropertyFormGUI $form)

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

	writeAnswerSpecificPostData (ilPropertyFormGUI $form)
	Extracts the answer specific values from $_POST and applies them to the data object. More...

	populateAnswerSpecificFormPart (\ilPropertyFormGUI $form)

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

	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. More...

	aggregateAnswers ($relevant_answers_chosen, $answers_defined_on_question)

	renderAggregateView ($aggregate)

Public Member Functions inherited from assQuestionGUI
	__construct ()
	assQuestionGUI constructor More...

&	executeCommand ()
	execute command More...

	getCommand ($cmd)

	getType ()
	needed for page editor compliance More...

	setTaxonomyIds ($taxonomyIds)

	getTaxonomyIds ()

	setTargetGui ($linkTargetGui)

	setTargetGuiClass ($targetGuiClass)

	getTargetGuiClass ()

	setQuestionHeaderBlockBuilder ($questionHeaderBlockBuilder)

	setQuestionActionCmd ($questionActionCmd)

	getQuestionActionCmd ()

&	_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. More...

	_getGUIClassNameForId ($a_q_id)

	_getClassNameForQType ($q_type)

&	createQuestionGUI ($question_type, $question_id=-1)
	Creates a question gui representation. More...

	getQuestionTemplate ()
	get question template More...

	getILIASPage ($html="")
	Returns the ILIAS Page around a question. More...

	outQuestionPage ($a_temp_var, $a_postponed=false, $active_id="", $html="")
	output question page More...

	cancel ()
	cancel action More...

	originalSyncForm ($return_to="", $return_to_feedback='')

	sync ()

	cancelSync ()

	saveEdit ()
	save question More...

	save ()
	save question More...

	saveReturn ()
	save question More...

	apply ()
	apply changes More...

	getContextPath ($cont_obj, $a_endnode_id, $a_startnode_id=1)
	get context path in content object tree More...

	setSequenceNumber ($nr)

	getSequenceNumber ()

	setQuestionCount ($a_question_count)

	getQuestionCount ()

	getErrorMessage ()

	setErrorMessage ($errormessage)

	addErrorMessage ($errormessage)

	outAdditionalOutput ()

	getQuestionType ()
	Returns the question type string. More...

	getAsValueAttribute ($a_value)
	Returns a HTML value attribute. More...

	addNewIdListener (&$a_object, $a_method, $a_parameters="")
	Add a listener that is notified with the new question ID, when a new question is saved. More...

	callNewIdListeners ($a_new_id)
	Call the new id listeners. More...

	addQuestionFormCommandButtons ($form)
	Add the command buttons of a question properties form. More...

	addBasicQuestionFormProperties ($form)
	Add basic question form properties: assessment: title, author, description, question, working time. More...

	getSelfAssessmentTags ()
	Get tags allowed in question tags in self assessment mode. More...

	getAnswerFeedbackOutput ($active_id, $pass)
	Returns the answer generic feedback depending on the results of the question. More...

	getGenericFeedbackOutput ($active_id, $pass)
	Returns the answer specific feedback for the question. More...

	getGenericFeedbackOutputForCorrectSolution ()

	getGenericFeedbackOutputForIncorrectSolution ()

	getSpecificFeedbackOutput ($active_id, $pass)
	Returns the answer specific feedback for the question. More...

	outQuestionType ()

	showSuggestedSolution ()

	suggestedsolution ()
	Allows to add suggested solutions for questions. More...

	outSolutionExplorer ()

	saveSuggestedSolution ()

	cancelExplorer ()

	outPageSelector ()

	outChapterSelector ()

	outGlossarySelector ()

	linkChilds ()

	addPG ()

	addST ()

	addGIT ()

	isSaveCommand ()

	setQuestionTabs ()

	addTab_SuggestedSolution (ilTabsGUI $tabs, $classname)

	getEditQuestionTabCommands ()

	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)

	isAutosaveable ()

	getPreview ($show_question_only=FALSE, $showInlineFeedback=false)

	outQuestionForTest ( $formaction, $active_id, $pass=NULL, $is_question_postponed=FALSE, $user_post_solutions=FALSE, $show_specific_inline_feedback=FALSE)

	setPreviewSession ($previewSession)

	getPreviewSession ()

	showHints ()

Public Member Functions inherited from ilGuiQuestionScoringAdjustable
	populateQuestionSpecificFormPart (ilPropertyFormGUI $form)
	Adds the question specific forms parts to a question property form gui. More...

	writeQuestionSpecificPostData (ilPropertyFormGUI $form)
	Extracts the question specific values from $_POST and applies them to the data object. More...

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

	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. More...

Public Member Functions inherited from ilGuiAnswerScoringAdjustable
	populateAnswerSpecificFormPart (ilPropertyFormGUI $form)
	Adds the answer specific form parts to a question property form gui. More...

	writeAnswerSpecificPostData (ilPropertyFormGUI $form)
	Extracts the answer specific values from $_POST and applies them to the data object. More...

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

Data Fields
	$choiceKeys

Data Fields inherited from assQuestionGUI
const	FORM_MODE_EDIT = 'edit'

const	FORM_MODE_ADJUST = 'adjust'

const	FORM_ENCODING_URLENCODE = 'application/x-www-form-urlencoded'

const	FORM_ENCODING_MULTIPART = 'multipart/form-data'

const	SESSION_PREVIEW_DATA_BASE_INDEX = 'ilAssQuestionPreviewAnswers'

	$object

	$tpl

	$lng

	$error

	$errormessage

	$sequence_no
	sequence number in test More...

	$question_count
	question count in test More...

Private Member Functions
	populateInlineFeedback ($template, $answer_id, $user_solution)

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 More...

Protected Member Functions inherited from assQuestionGUI
	writePostData ()
	Evaluates a posted edit form and writes the form data in the question object. More...

	saveTaxonomyAssignments ()

	populateTaxonomyFormSection (ilPropertyFormGUI $form)

	getBasicEditQuestionTabCommands ()

	getAdditionalEditQuestionCommands ()

	addTab_QuestionFeedback (ilTabsGUI $tabs)
	adds the feedback tab to ilTabsGUI More...

	addTab_QuestionHints (ilTabsGUI $tabs)
	adds the hints tab to ilTabsGUI More...

	addTab_QuestionPreview (ilTabsGUI $tabsGUI)

	writeQuestionGenericPostData ()

	getFormEncodingType ()

	addBackTab (ilTabsGUI $ilTabs)

	buildBasicEditFormObject ()

Detailed Description

Single choice question GUI representation.

The assSingleChoiceGUI class encapsulates the GUI representation for single 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: $Id$

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

Constructor & Destructor Documentation

◆ __construct()

assSingleChoiceGUI::__construct ( $id = -1 )

assSingleChoiceGUI constructor

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

Parameters

integer $id The database id of a single choice question object

Definition at line 33 of file class.assSingleChoiceGUI.php.

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

Member Function Documentation

◆ addchoice()

assSingleChoiceGUI::addchoice ( )

Add a new answer.

Definition at line 140 of file class.assSingleChoiceGUI.php.

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

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

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◆ aggregateAnswers()

assSingleChoiceGUI::aggregateAnswers	(	$relevant_answers_chosen,
		$answers_defined_on_question
	)

Definition at line 796 of file class.assSingleChoiceGUI.php.

        {
                $aggregate = array();
                foreach ($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;
        }

Referenced by getAggregatedAnswersView().

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◆ editQuestion()

assSingleChoiceGUI::editQuestion ( $checkonly = FALSE )

Creates an output of the edit form for the question.

Definition at line 70 of file class.assSingleChoiceGUI.php.

        {
                $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("asssinglechoice");
 
                $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;
        }

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

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

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◆ getAfterParticipationSuppressionAnswerPostVars()

assSingleChoiceGUI::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 777 of file class.assSingleChoiceGUI.php.

        {
                return array();
        }

◆ getAfterParticipationSuppressionQuestionPostVars()

assSingleChoiceGUI::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 699 of file class.assSingleChoiceGUI.php.

        {
                return array();
        }

◆ getAggregatedAnswersView()

assSingleChoiceGUI::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 790 of file class.assSingleChoiceGUI.php.

        {
                return  $this->renderAggregateView(
                                        $this->aggregateAnswers( $relevant_answers, $this->object->getAnswers() ) )->get();
        }

References aggregateAnswers(), and renderAggregateView().

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◆ getChoiceKeys()

assSingleChoiceGUI::getChoiceKeys ( )

Definition at line 602 of file class.assSingleChoiceGUI.php.

        {
                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;
        }

References $_GET, $_SESSION, and $choiceKeys.

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

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◆ getPreview()

assSingleChoiceGUI::getPreview	(	$show_question_only = `FALSE`,
		$showInlineFeedback = `false`
	)

Reimplemented from assQuestionGUI.

Definition at line 330 of file class.assSingleChoiceGUI.php.

        {
                $keys = $this->getChoiceKeys();
                
                // generate the question output
                include_once "./Services/UICore/classes/class.ilTemplate.php";
                $template = new ilTemplate("tpl.il_as_qpl_mc_sr_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
                foreach ($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.svg'));
                                        $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( $showInlineFeedback && is_object($this->getPreviewSession()) )
                        {
                                $this->populateInlineFeedback($template, $answer_id, $this->getPreviewSession()->getParticipantsSolution());
                        }
                        $template->setCurrentBlock("answer_row");
                        $template->setVariable("QID", $this->object->getId().'ID');
                        $template->setVariable("ANSWER_ID", $answer_id);
                        $template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
                        
                        if( is_object($this->getPreviewSession()) )
                        {
                                $user_solution = $this->getPreviewSession()->getParticipantsSolution();
                                if (strcmp($user_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 = $template->get();
                if (!$show_question_only)
                {
                        // get page object output
                        $questionoutput = $this->getILIASPage($questionoutput);
                }
                return $questionoutput;
        }

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

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◆ getSolutionOutput()

assSingleChoiceGUI::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_id	The active user id
integer	$pass	The test pass
boolean	$graphicalOutput	Show visual feedback for right/wrong answers
boolean	$result_output	Show the reached points for parts of the question
boolean	$show_question_only	Show the question without the ILIAS content around
boolean	$show_feedback	Show the question feedback
boolean	$show_correct_solution	Show the correct solution instead of the user solution
boolean	$show_manual_scoring	Show specific information for the manual scoring output

Returns: The solution output of the question as HTML code

Reimplemented from assQuestionGUI.

Definition at line 172 of file class.assSingleChoiceGUI.php.

        {
                // shuffle output
                $keys = $this->getChoiceKeys();
 
                // get the solution of the user for the active pass or from the last pass if allowed
                $user_solution = "";
                if (($active_id > 0) && (!$show_correct_solution))
                {
                        $solutions =& $this->object->getSolutionValues($active_id, $pass);
                        foreach ($solutions as $idx => $solution_value)
                        {
                                $user_solution = $solution_value["value1"];
                        }
                }
                else
                {
                        $found_index = -1;
                        $max_points = 0;
                        foreach ($this->object->answers as $index => $answer)
                        {
                                if ($answer->getPoints() > $max_points)
                                {
                                        $max_points = $answer->getPoints();
                                        $found_index = $index;
                                }
                        }
                        $user_solution = $found_index;
                }
                // generate the question output
                include_once "./Services/UICore/classes/class.ilTemplate.php";
                $template = new ilTemplate("tpl.il_as_qpl_mc_sr_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
                                        $ok = FALSE;
                                        if (strcmp($user_solution, $answer_id) == 0)
                                        {
                                                if ($answer->getPoints() == $this->object->getMaximumPoints())
                                                {
                                                        $ok = TRUE;
                                                }
                                                else
                                                {
                                                        $ok = FALSE;
                                                }
                                                if ($ok)
                                                {
                                                        $template->setCurrentBlock("icon_ok");
                                                        $template->setVariable("ICON_OK", ilUtil::getImagePath("icon_ok.svg"));
                                                        $template->setVariable("TEXT_OK", $this->lng->txt("answer_is_right"));
                                                        $template->parseCurrentBlock();
                                                }
                                                else
                                                {
                                                        $template->setCurrentBlock("icon_not_ok");
                                                        if ($answer->getPoints() > 0)
                                                        {
                                                                $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_mostly_ok.svg"));
                                                                $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_not_correct_but_positive"));
                                                        }
                                                        else
                                                        {
                                                                $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.svg"));
                                                                $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
                                                        }
                                                        $template->parseCurrentBlock();
                                                }
                                        }
                                        if (strlen($user_solution) == 0)
                                        {
                                                $template->setCurrentBlock("icon_not_ok");
                                                $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.svg"));
                                                $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)
                        {
                                $this->populateInlineFeedback($template, $answer_id, $user_solution);
                        }
                        $template->setCurrentBlock("answer_row");
                        $template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
                        if (strcmp($user_solution, $answer_id) == 0)
                        {
                                $template->setVariable("SOLUTION_IMAGE", ilUtil::getHtmlPath(ilUtil::getImagePath("radiobutton_checked.png")));
                                $template->setVariable("SOLUTION_ALT", $this->lng->txt("checked"));
                        }
                        else
                        {
                                $template->setVariable("SOLUTION_IMAGE", ilUtil::getHtmlPath(ilUtil::getImagePath("radiobutton_unchecked.png")));
                                $template->setVariable("SOLUTION_ALT", $this->lng->txt("unchecked"));
                        }
                        if ($result_output)
                        {
                                $points = $this->object->answers[$answer_id]->getPoints();
                                $resulttext = ($points == 1) ? "(%s " . $this->lng->txt("point") . ")" : "(%s " . $this->lng->txt("points") . ")"; 
                                $template->setVariable("RESULT_OUTPUT", sprintf($resulttext, $points));
                        }
                        $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 = $this->getILIASPage($solutionoutput);
                }
                return $solutionoutput;
        }

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

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◆ getSpecificFeedbackOutput()

assSingleChoiceGUI::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_id	Active ID of the user
integer	$pass	Active pass

Returns: string HTML Code with the answer specific feedback @access public

Reimplemented from assQuestionGUI.

Definition at line 620 of file class.assSingleChoiceGUI.php.

        {
                // No return value, this question type supports inline specific feedback.
                $output = "";
                return $this->object->prepareTextareaOutput($output, TRUE);
        }

◆ getTestOutput()

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

Definition at line 408 of file class.assSingleChoiceGUI.php.

        {
                $keys = $this->getChoiceKeys();
 
                // get the solution of the user for the active pass or from the last pass if allowed
                $user_solution = "";
                if ($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)
                        {
                                $user_solution = $solution_value["value1"];
                        }
                }
                
                // generate the question output
                include_once "./Services/UICore/classes/class.ilTemplate.php";
                $template = new ilTemplate("tpl.il_as_qpl_mc_sr_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
                foreach ($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.svg'));
                                        $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)
                        {
                                $feedbackOutputRequired = false;
 
                                switch( $this->object->getSpecificFeedbackSetting() )
                                {
                                        case 1:
                                                $feedbackOutputRequired = true;
                                                break;
 
                                        case 2:
                                                if (strcmp($user_solution, $answer_id) == 0)
                                                {
                                                        $feedbackOutputRequired = true;
                                                }
                                                break;
 
                                        case 3:
                                                if ($this->object->getAnswer($answer_id)->getPoints() > 0)
                                                {
                                                        $feedbackOutputRequired = true;
                                                }
                                                break;
                                }
 
                                if($feedbackOutputRequired)
                                {
                                        $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));
                        if (strcmp($user_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;
        }

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

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◆ populateAnswerSpecificFormPart()

assSingleChoiceGUI::populateAnswerSpecificFormPart ( \ilPropertyFormGUI $form )

Definition at line 746 of file class.assSingleChoiceGUI.php.

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

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

Referenced by editQuestion().

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◆ populateInlineFeedback()

assSingleChoiceGUI::populateInlineFeedback	(	$template,
		$answer_id,
		$user_solution
	)

private

Definition at line 840 of file class.assSingleChoiceGUI.php.

        {
                $feedbackOutputRequired = false;
 
                switch($this->object->getSpecificFeedbackSetting())
                {
                        case 1:
                                $feedbackOutputRequired = true;
                                break;
 
                        case 2:
                                if(strcmp($user_solution, $answer_id) == 0)
                                {
                                        $feedbackOutputRequired = true;
                                }
                                break;
 
                        case 3:
                                if($this->object->getAnswer($answer_id)->getPoints() > 0)
                                {
                                        $feedbackOutputRequired = true;
                                }
                                break;
                }
 
                if($feedbackOutputRequired)
                {
                        $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();
                        }
                }
        }

Referenced by getPreview(), and getSolutionOutput().

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◆ populateQuestionSpecificFormPart()

assSingleChoiceGUI::populateQuestionSpecificFormPart ( \ilPropertyFormGUI $form )

Definition at line 643 of file class.assSingleChoiceGUI.php.

        {
                $isSingleline = ($this->object->lastChange == 0 && !array_key_exists( 'types',$_POST)) ? (($this->object->getMultilineAnswerSetting()) ? false : true) : $this->object->isSingleline;
                // 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())
                {
                        // 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 $form;
        }

References $_POST, ilPropertyFormGUI\addItem(), and ilCheckboxInputGUI\setValue().

Referenced by editQuestion().

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◆ removechoice()

assSingleChoiceGUI::removechoice ( )

Remove an answer.

Definition at line 151 of file class.assSingleChoiceGUI.php.

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

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

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◆ removeimagechoice()

assSingleChoiceGUI::removeimagechoice ( )

Remove an image.

Definition at line 128 of file class.assSingleChoiceGUI.php.

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

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

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◆ renderAggregateView()

assSingleChoiceGUI::renderAggregateView ( $aggregate )

Parameters

$aggregate

Returns: ilTemplate

Definition at line 826 of file class.assSingleChoiceGUI.php.

        {
                $tpl = new ilTemplate('tpl.il_as_aggregated_answers_table.html', true, true, "Modules/TestQuestionPool");
 
                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;
        }

References assQuestionGUI\$tpl.

Referenced by getAggregatedAnswersView().

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◆ setQuestionTabs()

assSingleChoiceGUI::setQuestionTabs ( )

Sets the ILIAS tabs for this question type.

@access public

Todo:: : MOVE THIS STEPS TO COMMON QUESTION CLASS assQuestionGUI

Reimplemented from assQuestionGUI.

Definition at line 533 of file class.assSingleChoiceGUI.php.

        {
                global $rbacsystem, $ilTabs;
 
                $ilTabs->clearTargets();
                
                $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);
                        }
 
                        $this->addTab_QuestionPreview($ilTabs);
                }
 
                $force_active = false;
                if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
                {
                        $url = "";
                        if ($classname) $url = $this->ctrl->getLinkTargetByClass($classname, "editQuestion");
                        // 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);
 
                // add tab for question's suggested solution within common class assQuestionGUI
                $this->addTab_SuggestedSolution($ilTabs, $classname);
 
                // Assessment of questions sub menu entry
                if ($_GET["q_id"])
                {
                        $ilTabs->addTarget("statistics",
                                $this->ctrl->getLinkTargetByClass($classname, "assessment"),
                                array("assessment"),
                                $classname, "");
                }
 
                $this->addBackTab($ilTabs);
        }

References $_GET, assQuestionGUI\addBackTab(), assQuestionGUI\addTab_QuestionFeedback(), assQuestionGUI\addTab_QuestionHints(), assQuestionGUI\addTab_QuestionPreview(), and assQuestionGUI\addTab_SuggestedSolution().

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◆ uploadchoice()

assSingleChoiceGUI::uploadchoice ( )

Upload an image.

Definition at line 118 of file class.assSingleChoiceGUI.php.

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

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

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◆ writeAnswerSpecificPostData()

assSingleChoiceGUI::writeAnswerSpecificPostData ( ilPropertyFormGUI $form )

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

Parameters

bool $always If true, a check for form validity is omitted.

Returns: void

Implements ilGuiAnswerScoringAdjustable.

Definition at line 704 of file class.assSingleChoiceGUI.php.

        {
                // 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)
                        {
                                $answertext = ilUtil::secureString($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], $index, $picturefile );
                        }
                }
                else
                {
                        foreach ($_POST['choice']['answer'] as $index => $answer)
                        {
                                $answertext = $answer;
                                $this->object->addAnswer( $answertext, $_POST['choice']['points'][$index], $index );
                        }
                }
        }

References $_POST, $filename, and ilUtil\secureString().

Referenced by writePostData().

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◆ writePostData()

assSingleChoiceGUI::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 51 of file class.assSingleChoiceGUI.php.

        {
                $hasErrors = (!$always) ? $this->editQuestion(true) : false;
                if (!$hasErrors)
                {
                        require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
                        $this->writeQuestionGenericPostData();
                        $this->writeQuestionSpecificPostData(new ilPropertyFormGUI());
                        $this->writeAnswerSpecificPostData(new ilPropertyFormGUI());
                        $this->saveTaxonomyAssignments();
                        return 0;
                }
                return 1;
        }

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

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◆ writeQuestionSpecificPostData()

assSingleChoiceGUI::writeQuestionSpecificPostData ( ilPropertyFormGUI $form )

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

Parameters

bool $always If true, a check for form validity is omitted.

Returns: void

Implements ilGuiQuestionScoringAdjustable.

Definition at line 627 of file class.assSingleChoiceGUI.php.

        {
                $this->object->setShuffle( $_POST["shuffle"] );
                $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"] : "" );
        }

References $_POST, and ilUtil\sendInfo().

Referenced by writePostData().

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Field Documentation

◆ $choiceKeys

assSingleChoiceGUI::$choiceKeys

Definition at line 24 of file class.assSingleChoiceGUI.php.

Referenced by getChoiceKeys().

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

Modules/TestQuestionPool/classes/class.assSingleChoiceGUI.php

Public Member Functions

Data Fields

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ addchoice()

◆ aggregateAnswers()

◆ editQuestion()

◆ getAfterParticipationSuppressionAnswerPostVars()

◆ getAfterParticipationSuppressionQuestionPostVars()

◆ getAggregatedAnswersView()

◆ getChoiceKeys()

◆ getPreview()

◆ getSolutionOutput()

◆ getSpecificFeedbackOutput()

◆ getTestOutput()

◆ populateAnswerSpecificFormPart()

◆ populateInlineFeedback()

◆ populateQuestionSpecificFormPart()

◆ removechoice()

◆ removeimagechoice()

◆ renderAggregateView()

◆ setQuestionTabs()

◆ uploadchoice()

◆ writeAnswerSpecificPostData()

◆ writePostData()

◆ writeQuestionSpecificPostData()

Field Documentation

◆ $choiceKeys