assSingleChoiceGUI Class Reference

Single choice question GUI representation. More...

Inheritance diagram for assSingleChoiceGUI:

Collaboration diagram for assSingleChoiceGUI:

Public Member Functions
	__construct ($id=-1)
	assSingleChoiceGUI constructor More...
	editQuestion ($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, $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)
	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 ($cmd)
	getType ()
	needed for page editor compliance More...
	getPresentationContext ()
	setPresentationContext ($presentationContext)
	isTestPresentationContext ()
	isPreviousSolutionPrefilled ()
	setPreviousSolutionPrefilled ($previousSolutionPrefilled)
	getRenderPurpose ()
	setRenderPurpose ($renderPurpose)
	isRenderPurposePrintPdf ()
	isRenderPurposePreview ()
	isRenderPurposeInputValue ()
	isRenderPurposePlayback ()
	isRenderPurposeDemoplay ()
	renderPurposeSupportsFormHtml ()
	getEditContext ()
	setEditContext ($editContext)
	isAuthoringEditContext ()
	isAdjustmentEditContext ()
	setAdjustmentEditContext ()
	getNavigationGUI ()
	setNavigationGUI ($navigationGUI)
	setTaxonomyIds ($taxonomyIds)
	getTaxonomyIds ()
	setTargetGui ($linkTargetGui)
	setTargetGuiClass ($targetGuiClass)
	getTargetGuiClass ()
	setQuestionHeaderBlockBuilder ($questionHeaderBlockBuilder)
	getQuestionHeaderBlockBuilder ()
	setQuestionActionCmd ($questionActionCmd)
	getQuestionActionCmd ()
&	createQuestionGUI ($question_type, $question_id=-1)
	Creates a question gui representation. More...
	populateJavascriptFilesRequiredForWorkForm (ilTemplate $tpl)
	getQuestionTemplate ()
	get question template More...
	getILIASPage ($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...
	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, $is_question_postponed=false, $user_post_solutions=false, $show_specific_inline_feedback=false)
	magicAfterTestOutput ()
	getTestOutput ( $active_id, $pass, $is_question_postponed, $user_post_solutions, $show_specific_inline_feedback)
	getFormEncodingType ()
	setPreviewSession ($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...
Public Member Functions inherited from ilGuiAnswerScoringAdjustable
	populateAnswerSpecificFormPart (ilPropertyFormGUI $form)
	Adds the answer specific form parts to a question property form gui. More...

Protected Member Functions
	writePostData ($always=false)
	{} More...
	getEditAnswersSingleLine ($checkonly=false)
	Get the single/multiline editing of answers. More...
Protected Member Functions inherited from assQuestionGUI
	writePostData ($always=false)
	Evaluates a posted edit form and writes the form data in the question object. More...
	renderEditForm ($form)
	getUseUnchangedAnswerCheckboxHtml ()
	getPreviousSolutionProvidedMessage ()
	getPreviousSolutionConfirmationCheckboxHtml ()
	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 $tabsGUI)
	hasCorrectSolution ($activeId, $passIndex)
	writeQuestionGenericPostData ()
	completeTestOutputFormAction ($formAction, $active_id, $pass)
	addBackTab (ilTabsGUI $ilTabs)
	buildBasicEditFormObject ()
	buildEditForm ()

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

Additional Inherited Members
Static Public Member Functions inherited from assQuestionGUI
static	_getQuestionGUI ($question_type, $question_id=-1)
	Creates a question gui representation and returns the alias to the question gui note: please do not use $this inside this method to allow static calls. More...
static	_getGUIClassNameForId ($a_q_id)
static	_getClassNameForQType ($q_type)
static	getCommandsFromClassConstants ($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...
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...
const	PRESENTATION_CONTEXT_TEST = 'pContextTest'
const	PRESENTATION_CONTEXT_RESULTS = 'pContextResults'
const	RENDER_PURPOSE_PLAYBACK = 'renderPurposePlayback'
const	RENDER_PURPOSE_DEMOPLAY = 'renderPurposeDemoplay'
const	RENDER_PURPOSE_PREVIEW = 'renderPurposePreview'
const	RENDER_PURPOSE_PRINT_PDF = 'renderPurposePrintPdf'
const	RENDER_PURPOSE_INPUT_VALUE = 'renderPurposeInputValue'
const	EDIT_CONTEXT_AUTHORING = 'authoring'
const	EDIT_CONTEXT_ADJUSTMENT = 'adjustment'
Protected Attributes inherited from assQuestionGUI
	$editForm

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

$Id$

assSingleChoiceGUI: ilFormPropertyDispatchGUI

Definition at line 23 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 32 of file class.assSingleChoiceGUI.php.

References $id.

    {
        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 158 of file class.assSingleChoiceGUI.php.

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

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

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aggregateAnswers()

assSingleChoiceGUI::aggregateAnswers	(		$relevant_answers_chosen,
			$answers_defined_on_question
	)

Definition at line 767 of file class.assSingleChoiceGUI.php.

References array.

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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editQuestion()

assSingleChoiceGUI::editQuestion

(

$checkonly = false

)

Creates an output of the edit form for the question.

Definition at line 87 of file class.assSingleChoiceGUI.php.

References $errors, $form, assQuestionGUI\addBasicQuestionFormProperties(), assQuestionGUI\addQuestionFormCommandButtons(), getEditAnswersSingleLine(), 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();
        $this->editForm = $form;

        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->outQuestionType());
        $isSingleline = $this->getEditAnswersSingleLine($checkonly);
        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;
    }

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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 747 of file class.assSingleChoiceGUI.php.

References array.

    {
        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 677 of file class.assSingleChoiceGUI.php.

References array.

    {
        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 760 of file class.assSingleChoiceGUI.php.

References aggregateAnswers(), object, and renderAggregateView().

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

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getChoiceKeys()

assSingleChoiceGUI::getChoiceKeys

(

)

Definition at line 592 of file class.assSingleChoiceGUI.php.

References object.

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

    {
        $choiceKeys = array_keys($this->object->answers);
        
        if ($this->object->getShuffle()) {
            $choiceKeys = $this->object->getShuffler()->shuffle($choiceKeys);
        }
        
        return $choiceKeys;
    }

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getEditAnswersSingleLine()

assSingleChoiceGUI::getEditAnswersSingleLine (   $checkonly = false )

protected

Get the single/multiline editing of answers.

• The settings of an already saved question is preferred
• A new question will use the setting of the last edited question by the user

  Parameters

  bool

  $checkonly

  get the setting for checking a POST

  Returns

  bool

Definition at line 66 of file class.assSingleChoiceGUI.php.

References $_POST.

Referenced by editQuestion(), populateAnswerSpecificFormPart(), and populateQuestionSpecificFormPart().

    {
        if ($checkonly) {
            // form posting is checked
            return ($_POST['types'] == 0) ? true : false;
        }

        $lastChange = $this->object->getLastChange();
        if (empty($lastChange) && !isset($_POST['types'])) {
            // a new question is edited
            return $this->object->getMultilineAnswerSetting() ? false : true;
        } else {
            // a saved question is edited
            return $this->object->isSingleline;
        }
    }

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getPreview()

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

Definition at line 334 of file class.assSingleChoiceGUI.php.

References $keys, $template, $type, getChoiceKeys(), assQuestionGUI\getILIASPage(), ilUtil\getImagePath(), assQuestionGUI\getPreviewSession(), object, populateInlineFeedback(), and ilUtil\prepareFormOutput().

    {
        $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;
    }

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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

Definition at line 190 of file class.assSingleChoiceGUI.php.

References $index, $keys, $ok, $pass, $template, ilAssQuestionFeedback\CSS_CLASS_FEEDBACK_CORRECT, ilAssQuestionFeedback\CSS_CLASS_FEEDBACK_WRONG, assQuestionGUI\getAnswerFeedbackOutput(), getChoiceKeys(), ilUtil\getHtmlPath(), assQuestionGUI\getILIASPage(), ilUtil\getImagePath(), assQuestionGUI\hasCorrectSolution(), assQuestionGUI\isRenderPurposePrintPdf(), assQuestionGUI\isTestPresentationContext(), object, populateInlineFeedback(), ilUtil\prepareFormOutput(), and assQuestionGUI\renderPurposeSupportsFormHtml().

      {
        // 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 ($this->renderPurposeSupportsFormHtml() || $this->isRenderPurposePrintPdf()) {
                if (strcmp($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"));
                }
            } else {
                $template->setVariable('QID', $this->object->getId());
                $template->setVariable('SUFFIX', $show_correct_solution ? 'bestsolution' : 'usersolution');
                $template->setVariable('SOLUTION_VALUE', $answer_id);
                if (strcmp($user_solution, $answer_id) == 0) {
                    $template->setVariable('SOLUTION_CHECKED', 'checked');
                }
            }
            
            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->isTestPresentationContext()) ? $this->getAnswerFeedbackOutput($active_id, $pass) : "";
        if (strlen($feedback)) {
            $cssClass = (
                $this->hasCorrectSolution($active_id, $pass) ?
                ilAssQuestionFeedback::CSS_CLASS_FEEDBACK_CORRECT : ilAssQuestionFeedback::CSS_CLASS_FEEDBACK_WRONG
            );
            
            $solutiontemplate->setVariable("ILC_FB_CSS_CLASS", $cssClass);
            $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;
    }

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getSpecificFeedbackOutput()

assSingleChoiceGUI::getSpecificFeedbackOutput	(		$active_id,
			$pass
	)

Definition at line 603 of file class.assSingleChoiceGUI.php.

References $output.

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

getTestOutput()

assSingleChoiceGUI::getTestOutput	(		$active_id,
			$pass,
			$is_postponed = false,
			$use_post_solutions = false,
			$show_feedback = false
	)

Definition at line 402 of file class.assSingleChoiceGUI.php.

References $keys, $pass, $template, $type, getChoiceKeys(), ilUtil\getImagePath(), object, assQuestionGUI\outQuestionPage(), and ilUtil\prepareFormOutput().

    {
        $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) {
            // hey: prevPassSolutions - obsolete due to central check
            #$solutions = NULL;
            #include_once "./Modules/Test/classes/class.ilObjTest.php";
            #if (!ilObjTest::_getUsePreviousAnswers($active_id, true))
            #{
            #   if (is_null($pass)) $pass = ilObjTest::_getPass($active_id);
            #}
            // hey.
            $solutions = $this->object->getTestOutputSolutions($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;
    }

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populateAnswerSpecificFormPart()

assSingleChoiceGUI::populateAnswerSpecificFormPart

(

\ilPropertyFormGUI

$form

)

Definition at line 716 of file class.assSingleChoiceGUI.php.

References ilPropertyFormGUI\addItem(), getEditAnswersSingleLine(), object, and ilFormPropertyGUI\setRequired().

Referenced by editQuestion().

    {
        $isSingleline = $this->getEditAnswersSingleLine();

        // 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);
    }

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populateInlineFeedback()

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

private

Definition at line 815 of file class.assSingleChoiceGUI.php.

References $template, and object.

Referenced by getPreview(), and getSolutionOutput().

    {
        $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();
            }
        }
    }

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populateQuestionSpecificFormPart()

assSingleChoiceGUI::populateQuestionSpecificFormPart

(

\ilPropertyFormGUI

$form

)

Definition at line 623 of file class.assSingleChoiceGUI.php.

References $form, ilPropertyFormGUI\addItem(), array, getEditAnswersSingleLine(), object, ilFormPropertyGUI\setRequired(), ilNumberInputGUI\setSuffix(), and ilCheckboxInputGUI\setValue().

Referenced by editQuestion().

    {
        $isSingleline = $this->getEditAnswersSingleLine();
        // 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;
    }

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removechoice()

assSingleChoiceGUI::removechoice

(

)

Remove an answer.

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

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

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

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removeimagechoice()

assSingleChoiceGUI::removeimagechoice

(

)

Remove an image.

Definition at line 146 of file class.assSingleChoiceGUI.php.

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

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

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renderAggregateView()

assSingleChoiceGUI::renderAggregateView

(

$aggregate

)

Parameters

$aggregate

Returns

ilTemplate

Definition at line 794 of file class.assSingleChoiceGUI.php.

References assQuestionGUI\$tpl.

Referenced by getAggregatedAnswersView().

    {
        $tpl = new ilTemplate('tpl.il_as_aggregated_answers_table.html', true, true, "Modules/TestQuestionPool");
        
        $tpl->setCurrentBlock('headercell');
        $tpl->setVariable('HEADER', $this->lng->txt('tst_answer_aggr_answer_header'));
        $tpl->parseCurrentBlock();
        
        $tpl->setCurrentBlock('headercell');
        $tpl->setVariable('HEADER', $this->lng->txt('tst_answer_aggr_frequency_header'));
        $tpl->parseCurrentBlock();
        
        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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setQuestionTabs()

assSingleChoiceGUI::setQuestionTabs

(

)

Sets the ILIAS tabs for this question type.

public

Todo:

: MOVE THIS STEPS TO COMMON QUESTION CLASS assQuestionGUI

Definition at line 515 of file class.assSingleChoiceGUI.php.

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

    {
        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);
    }

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uploadchoice()

assSingleChoiceGUI::uploadchoice

(

)

Upload an image.

Definition at line 136 of file class.assSingleChoiceGUI.php.

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

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

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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 682 of file class.assSingleChoiceGUI.php.

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

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) {
                $answertext = ilUtil::secureString($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 = $this->object->buildHashedImageFilename($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);
            }
        }
    }

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writePostData()

assSingleChoiceGUI::writePostData (   $always = false )

protected

{}

Definition at line 45 of file class.assSingleChoiceGUI.php.

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

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

    {
        $hasErrors = (!$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;
    }

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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 610 of file class.assSingleChoiceGUI.php.

References $_POST, and ilUtil\sendInfo().

Referenced by writePostData().

    {
        $this->object->setShuffle($_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"] : "");
    }

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---

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

• Modules/TestQuestionPool/classes/class.assSingleChoiceGUI.php