assMultipleChoiceGUI Class Reference

Multiple choice question GUI representation. More...

Inheritance diagram for assMultipleChoiceGUI:

Collaboration diagram for assMultipleChoiceGUI:

Public Member Functions
	__construct ($id=-1)
	assMultipleChoiceGUI constructor
	getCommand ($cmd)
	writePostData ($always=false)
	Evaluates a posted edit form and writes the form data in the question object.
	editQuestion ($checkonly=FALSE)
	Creates an output of the edit form for the question.
	uploadchoice ()
	Upload an image.
	removeimagechoice ()
	Remove an image.
	addchoice ()
	Add a new answer.
	removechoice ()
	Remove an answer.
	outQuestionForTest ($formaction, $active_id, $pass=NULL, $is_postponed=FALSE, $use_post_solutions=FALSE, $show_feedback=FALSE)
	getSolutionOutput ($active_id, $pass=NULL, $graphicalOutput=FALSE, $result_output=FALSE, $show_question_only=TRUE, $show_feedback=FALSE, $show_correct_solution=FALSE, $show_manual_scoring=FALSE)
	Get the question solution output.
	getPreview ($show_question_only=FALSE)
	getTestOutput ($active_id, $pass=NULL, $is_postponed=FALSE, $use_post_solutions=FALSE, $show_feedback=FALSE)
	saveFeedback ()
	Saves the feedback for a single choice question.
	feedback ($checkonly=false)
	Creates the output of the feedback page for a single choice question.
	setQuestionTabs ()
	Sets the ILIAS tabs for this question type.
	getChoiceKeys ()
Public Member Functions inherited from assQuestionGUI
	__construct ()
	assQuestionGUI constructor
&	executeCommand ()
	execute command
	getType ()
	needed for page editor compliance
	writePostData ()
	Evaluates a posted edit form and writes the form data in the question object.
	assessment ()
	output assessment
&	_getQuestionGUI ($question_type, $question_id=-1)
	Creates a question gui representation and returns the alias to the question gui note: please do not use $this inside this method to allow static calls.
	_getGUIClassNameForId ($a_q_id)
	_getClassNameForQType ($q_type)
&	createQuestionGUI ($question_type, $question_id=-1)
	Creates a question gui representation.
	getQuestionTemplate ()
	get question template
	getILIASPage ($html="")
	Returns the ILIAS Page around a question.
	outQuestionPage ($a_temp_var, $a_postponed=false, $active_id="", $html="")
	output question page
	cancel ()
	cancel action
	originalSyncForm ($return_to="")
	sync ()
	cancelSync ()
	saveEdit ()
	save question
	save ()
	save question
	apply ()
	apply changes
	getContextPath ($cont_obj, $a_endnode_id, $a_startnode_id=1)
	get context path in content object tree
	setSequenceNumber ($nr)
	getSequenceNumber ()
	setQuestionCount ($a_question_count)
	getQuestionCount ()
	getErrorMessage ()
	setErrorMessage ($errormessage)
	addErrorMessage ($errormessage)
	outAdditionalOutput ()
	getQuestionType ()
	Returns the question type string.
	getAsValueAttribute ($a_value)
	Returns a HTML value attribute.
	addNewIdListener (&$a_object, $a_method, $a_parameters="")
	Add a listener that is notified with the new question ID, when a new question is saved.
	callNewIdListeners ($a_new_id)
	Call the new id listeners.
	setSelfAssessmentEditingMode ($a_selfassessmenteditingmode)
	Set Self-Assessment Editing Mode.
	getSelfAssessmentEditingMode ()
	Get Self-Assessment Editing Mode.
	setDefaultNrOfTries ($a_defaultnroftries)
	Set Default Nr of Tries.
	getDefaultNrOfTries ()
	Get Default Nr of Tries.
	addQuestionFormCommandButtons ($form)
	Add the command buttons of a question properties form.
	addBasicQuestionFormProperties ($form)
	Add basic question form properties: assessment: title, author, description, question, working time.
	getAnswerFeedbackOutput ($active_id, $pass)
	Returns the answer specific feedback depending on the results of the question.
	outQuestionType ()
	suggestedsolution ()
	Allows to add suggested solutions for questions.
	outSolutionExplorer ()
	saveSuggestedSolution ()
	cancelExplorer ()
	outPageSelector ()
	outChapterSelector ()
	outGlossarySelector ()
	linkChilds ()
	addPG ()
	addST ()
	addGIT ()

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

Detailed Description

Multiple choice question GUI representation.

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

Author

Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Version

Id:

class.assMultipleChoiceGUI.php 24232 2010-06-14 10:58:26Z hschottm

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

Constructor & Destructor Documentation

assMultipleChoiceGUI::__construct

(

$id = -1

)

assMultipleChoiceGUI constructor

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

Parameters

integer

$id

The database id of a multiple choice question object public

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

References assQuestionGUI\__construct().

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

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Member Function Documentation

assMultipleChoiceGUI::addchoice

(

)

Add a new answer.

Definition at line 264 of file class.assMultipleChoiceGUI.php.

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

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

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assMultipleChoiceGUI::editQuestion

(

$checkonly = FALSE

)

Creates an output of the edit form for the question.

public

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

References $_POST, $errors, assQuestionGUI\addBasicQuestionFormProperties(), assQuestionGUI\addQuestionFormCommandButtons(), assQuestionGUI\getQuestionTemplate(), assQuestionGUI\getSelfAssessmentEditingMode(), assQuestionGUI\outQuestionType(), ilSingleChoiceWizardInputGUI\setHideImages(), ilNumberInputGUI\setMinValue(), ilFormPropertyGUI\setRequired(), and ilCheckboxInputGUI\setValue().

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

        {
                $save = ((strcmp($this->ctrl->getCmd(), "save") == 0) || (strcmp($this->ctrl->getCmd(), "saveEdit") == 0)) ? TRUE : FALSE;
                $this->getQuestionTemplate();

                include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();
                $form->setFormAction($this->ctrl->getFormAction($this));
                $form->setTitle($this->outQuestionType());
                $isSingleline = ($this->object->lastChange == 0 && !array_key_exists('types', $_POST)) ? (($this->object->getMultilineAnswerSetting()) ? false : true) : $this->object->isSingleline;
                if ($checkonly) $isSingleline = ($_POST['types'] == 0) ? true : false;
                if ($isSingleline)
                {
                        $form->setMultipart(TRUE);
                }
                else
                {
                        $form->setMultipart(FALSE);
                }
                $form->setTableWidth("100%");
                $form->setId("assmultiplechoice");

                // title, author, description, question, working time (assessment mode)
                $this->addBasicQuestionFormProperties($form);

                // 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->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 (($isSingleline) && (!$this->getSelfAssessmentEditingMode()))
                {
                        // thumb size
                        $thumb_size = new ilNumberInputGUI($this->lng->txt("thumb_size"), "thumb_size");
                        $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);
                }

                // Choices
                include_once "./Modules/TestQuestionPool/classes/class.ilMultipleChoiceWizardInputGUI.php";
                $choices = new ilMultipleChoiceWizardInputGUI($this->lng->txt("answers"), "choice");
                if ($this->getSelfAssessmentEditingMode()) $choices->setHideImages(true);
                $choices->setRequired(true);
                $choices->setQuestionObject($this->object);
                $choices->setSingleline($isSingleline);
                $choices->setAllowMove(false);
                if ($this->object->getAnswerCount() == 0) $this->object->addAnswer("", 0, 0, 0);
                $choices->setValues($this->object->getAnswers());
                $form->addItem($choices);

                $this->addQuestionFormCommandButtons($form);
        
                $errors = false;
        
                if ($save)
                {
                        $form->setValuesByPost();
                        $errors = !$form->checkInput();
                        $form->setValuesByPost(); // again, because checkInput now performs the whole stripSlashes handling and we need this if we don't want to have duplication of backslashes
                        if ($errors) $checkonly = false;
                }

                if (!$checkonly) $this->tpl->setVariable("QUESTION_DATA", $form->getHTML());
                return $errors;
        }

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assMultipleChoiceGUI::feedback

(

$checkonly = false

)

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

public

Reimplemented from assQuestionGUI.

Definition at line 672 of file class.assMultipleChoiceGUI.php.

References $errors, ilObjAdvancedEditing\_getUsedHTMLTags(), assQuestionGUI\getSelfAssessmentEditingMode(), and ilTextAreaInputGUI\setValue().

Referenced by saveFeedback().

        {
                $save = (strcmp($this->ctrl->getCmd(), "saveFeedback") == 0) ? TRUE : FALSE;
                include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();
                $form->setFormAction($this->ctrl->getFormAction($this));
                $form->setTitle($this->lng->txt('feedback_answers'));
                $form->setTableWidth("100%");
                $form->setId("feedback");

                $complete = new ilTextAreaInputGUI($this->lng->txt("feedback_complete_solution"), "feedback_complete");
                $complete->setValue($this->object->prepareTextareaOutput($this->object->getFeedbackGeneric(1)));
                $complete->setRequired(false);
                $complete->setRows(10);
                $complete->setCols(80);
                $complete->setUseRte(true);
                include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
                $complete->setRteTags(ilObjAdvancedEditing::_getUsedHTMLTags("assessment"));
                $complete->addPlugin("latex");
                $complete->addButton("latex");
                $complete->addButton("pastelatex");
                $complete->setRTESupport($this->object->getId(), "qpl", "assessment");
                $form->addItem($complete);

                $incomplete = new ilTextAreaInputGUI($this->lng->txt("feedback_incomplete_solution"), "feedback_incomplete");
                $incomplete->setValue($this->object->prepareTextareaOutput($this->object->getFeedbackGeneric(0)));
                $incomplete->setRequired(false);
                $incomplete->setRows(10);
                $incomplete->setCols(80);
                $incomplete->setUseRte(true);
                include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
                $incomplete->setRteTags(ilObjAdvancedEditing::_getUsedHTMLTags("assessment"));
                $incomplete->addPlugin("latex");
                $incomplete->addButton("latex");
                $incomplete->addButton("pastelatex");
                $incomplete->setRTESupport($this->object->getId(), "qpl", "assessment");
                $form->addItem($incomplete);

                if (!$this->getSelfAssessmentEditingMode())
                {
                        foreach ($this->object->answers as $index => $answer)
                        {
                                $answerobj = new ilTextAreaInputGUI($this->object->prepareTextareaOutput($answer->getAnswertext(), true), "feedback_answer_$index");
                                $answerobj->setValue($this->object->prepareTextareaOutput($this->object->getFeedbackSingleAnswer($index)));
                                $answerobj->setRequired(false);
                                $answerobj->setRows(10);
                                $answerobj->setCols(80);
                                $answerobj->setUseRte(true);
                                include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
                                $answerobj->setRteTags(ilObjAdvancedEditing::_getUsedHTMLTags("assessment"));
                                $answerobj->addPlugin("latex");
                                $answerobj->addButton("latex");
                                $answerobj->addButton("pastelatex");
                                $answerobj->setRTESupport($this->object->getId(), "qpl", "assessment");
                                $form->addItem($answerobj);
                        }
                }

                $form->addCommandButton("saveFeedback", $this->lng->txt("save"));
                if ($save)
                {
                        $form->setValuesByPost();
                        $errors = !$form->checkInput();
                        $form->setValuesByPost(); // again, because checkInput now performs the whole stripSlashes handling and we need this if we don't want to have duplication of backslashes
                }
                if (!$checkonly) $this->tpl->setVariable("ADM_CONTENT", $form->getHTML());
                return $errors;
        }

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assMultipleChoiceGUI::getChoiceKeys

(

)

Definition at line 837 of file class.assMultipleChoiceGUI.php.

References $_GET, $_SESSION, and $choiceKeys.

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

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

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assMultipleChoiceGUI::getCommand

(

$cmd

)

Reimplemented from assQuestionGUI.

Definition at line 60 of file class.assMultipleChoiceGUI.php.

References $cmd.

        {
                return $cmd;
        }

assMultipleChoiceGUI::getPreview

(

$show_question_only = FALSE

)

Definition at line 483 of file class.assMultipleChoiceGUI.php.

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

        {
                // shuffle output
                $keys = $this->getChoiceKeys();

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

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

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 303 of file class.assMultipleChoiceGUI.php.

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

        {
                // shuffle output
                $keys = $this->getChoiceKeys();

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

                $solutionoutput = $solutiontemplate->get(); 
                if (!$show_question_only)
                {
                        // get page object output
                        $solutionoutput = $this->getILIASPage($solutionoutput);
                }
                return $solutionoutput;
        }

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

Definition at line 547 of file class.assMultipleChoiceGUI.php.

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

Referenced by outQuestionForTest().

        {
                // shuffle output
                $keys = $this->getChoiceKeys();

                // get the solution of the user for the active pass or from the last pass if allowed
                $user_solution = array();
                if ($active_id)
                {
                        $solutions = NULL;
                        include_once "./Modules/Test/classes/class.ilObjTest.php";
                        if (!ilObjTest::_getUsePreviousAnswers($active_id, true))
                        {
                                if (is_null($pass)) $pass = ilObjTest::_getPass($active_id);
                        }
                        $solutions =& $this->object->getSolutionValues($active_id, $pass);
                        foreach ($solutions as $idx => $solution_value)
                        {
                                array_push($user_solution, $solution_value["value1"]);
                        }
                }
                // generate the question output
                include_once "./classes/class.ilTemplate.php";
                $template = new ilTemplate("tpl.il_as_qpl_mc_mr_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
                foreach ($keys as $answer_id)
                {
                        $answer = $this->object->answers[$answer_id];
                        if (strlen($answer->getImage()))
                        {
                                if ($this->object->getThumbSize())
                                {
                                        $template->setCurrentBlock("preview");
                                        $template->setVariable("URL_PREVIEW", $this->object->getImagePathWeb() . $answer->getImage());
                                        $template->setVariable("TEXT_PREVIEW", $this->lng->txt('preview'));
                                        $template->setVariable("IMG_PREVIEW", ilUtil::getImagePath('enlarge.gif'));
                                        $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();
                                }
                        }

                        foreach ($user_solution as $mc_solution)
                        {
                                if (strcmp($mc_solution, $answer_id) == 0)
                                {
                                        if ($show_feedback)
                                        {
                                                $feedback = $this->object->getFeedbackSingleAnswer($answer_id);
                                                if (strlen($feedback))
                                                {
                                                        $template->setCurrentBlock("feedback");
                                                        $template->setVariable("FEEDBACK", $feedback);
                                                        $template->parseCurrentBlock();
                                                }
                                        }
                                }
                        }

                        $template->setCurrentBlock("answer_row");
                        $template->setVariable("ANSWER_ID", $answer_id);
                        $template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
                        foreach ($user_solution as $mc_solution)
                        {
                                if (strcmp($mc_solution, $answer_id) == 0)
                                {
                                        $template->setVariable("CHECKED_ANSWER", " checked=\"checked\"");
                                }
                        }
                        $template->parseCurrentBlock();
                }
                $questiontext = $this->object->getQuestion();
                $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, TRUE));
                $questionoutput = $template->get();
                $pageoutput = $this->outQuestionPage("", $is_postponed, $active_id, $questionoutput);
                return $pageoutput;
        }

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

Definition at line 283 of file class.assMultipleChoiceGUI.php.

References $pass, and getTestOutput().

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

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assMultipleChoiceGUI::removechoice

(

)

Remove an answer.

Definition at line 275 of file class.assMultipleChoiceGUI.php.

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

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

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assMultipleChoiceGUI::removeimagechoice

(

)

Remove an image.

Definition at line 252 of file class.assMultipleChoiceGUI.php.

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

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

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assMultipleChoiceGUI::saveFeedback

(

)

Saves the feedback for a single choice question.

public

Reimplemented from assQuestionGUI.

Definition at line 653 of file class.assMultipleChoiceGUI.php.

References $_POST, $errors, and feedback().

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

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assMultipleChoiceGUI::setQuestionTabs

(

)

Sets the ILIAS tabs for this question type.

public

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

References $_GET, and $ref_id.

        {
                global $rbacsystem, $ilTabs;
                
                $this->ctrl->setParameterByClass("ilpageobjectgui", "q_id", $_GET["q_id"]);
                include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
                $q_type = $this->object->getQuestionType();

                if (strlen($q_type))
                {
                        $classname = $q_type . "GUI";
                        $this->ctrl->setParameterByClass(strtolower($classname), "sel_question_types", $q_type);
                        $this->ctrl->setParameterByClass(strtolower($classname), "q_id", $_GET["q_id"]);
                }

                if ($_GET["q_id"])
                {
                        if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
                        {
                                // edit page
                                $ilTabs->addTarget("edit_content",
                                        $this->ctrl->getLinkTargetByClass("ilPageObjectGUI", "edit"),
                                        array("edit", "insert", "exec_pg"),
                                        "", "", $force_active);
                        }
        
                        // edit page
                        $ilTabs->addTarget("preview",
                                $this->ctrl->getLinkTargetByClass("ilPageObjectGUI", "preview"),
                                array("preview"),
                                "ilPageObjectGUI", "", $force_active);
                }
                $force_active = false;
                if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
                {
                        $url = "";
                        if ($classname) $url = $this->ctrl->getLinkTargetByClass($classname, "editQuestion");
                        $force_active = false;
                        // edit question properties
                        $ilTabs->addTarget("edit_properties",
                                $url,
                                array("editQuestion", "save", "saveEdit", "addchoice", "removechoice", "removeimagechoice", "uploadchoice", "originalSyncForm"),
                                $classname, "", $force_active);
                }

                if ($_GET["q_id"])
                {
                        $ilTabs->addTarget("feedback",
                                $this->ctrl->getLinkTargetByClass($classname, "feedback"),
                                array("feedback", "saveFeedback"),
                                $classname, "");
                }
                
                if ($_GET["q_id"])
                {
                        $ilTabs->addTarget("solution_hint",
                                $this->ctrl->getLinkTargetByClass($classname, "suggestedsolution"),
                                array("suggestedsolution", "saveSuggestedSolution", "outSolutionExplorer", "cancel", 
                                "addSuggestedSolution","cancelExplorer", "linkChilds", "removeSuggestedSolution"
                                ),
                                $classname, 
                                ""
                        );
                }

                // Assessment of questions sub menu entry
                if ($_GET["q_id"])
                {
                        $ilTabs->addTarget("statistics",
                                $this->ctrl->getLinkTargetByClass($classname, "assessment"),
                                array("assessment"),
                                $classname, "");
                }
                
                if (($_GET["calling_test"] > 0) || ($_GET["test_ref_id"] > 0))
                {
                        $ref_id = $_GET["calling_test"];
                        if (strlen($ref_id) == 0) $ref_id = $_GET["test_ref_id"];
                        $ilTabs->setBackTarget($this->lng->txt("backtocallingtest"), "ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=$ref_id");
                }
                else
                {
                        $ilTabs->setBackTarget($this->lng->txt("qpl"), $this->ctrl->getLinkTargetByClass("ilobjquestionpoolgui", "questions"));
                }
        }

assMultipleChoiceGUI::uploadchoice

(

)

Upload an image.

Definition at line 242 of file class.assMultipleChoiceGUI.php.

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

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

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assMultipleChoiceGUI::writePostData

(

$always = false

)

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

Returns

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

Definition at line 71 of file class.assMultipleChoiceGUI.php.

References $_POST, $filename, editQuestion(), assQuestionGUI\getSelfAssessmentEditingMode(), and ilUtil\sendInfo().

        {
                $hasErrors = (!$always) ? $this->editQuestion(true) : false;
                if (!$hasErrors)
                {
                        $this->object->setTitle($_POST["title"]);
                        $this->object->setAuthor($_POST["author"]);
                        $this->object->setComment($_POST["comment"]);
                        include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
                        $questiontext = $_POST["question"];
                        $this->object->setQuestion($questiontext);
                        $this->object->setShuffle($_POST["shuffle"]);
                        $this->object->setEstimatedWorkingTime(
                                $_POST["Estimated"]["hh"],
                                $_POST["Estimated"]["mm"],
                                $_POST["Estimated"]["ss"]
                        );
                        if ($this->getSelfAssessmentEditingMode())
                        {
                                $this->object->setNrOfTries($_POST['nr_of_tries']);
                        }
                        $this->object->setMultilineAnswerSetting($_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"] : "");

                        // 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 => $answer)
                                {
                                        $filename = $_POST['choice']['imagename'][$index];
                                        if (strlen($_FILES['choice']['name']['image'][$index]))
                                        {
                                                // upload image
                                                $filename = $this->object->createNewImageFileName($_FILES['choice']['name']['image'][$index]);
                                                $upload_result = $this->object->setImageFile($filename, $_FILES['choice']['tmp_name']['image'][$index]);
                                                if ($upload_result != 0)
                                                {
                                                        $filename = "";
                                                }
                                        }
                                        $answertext = $answer;
                                        $this->object->addAnswer($answertext, $_POST['choice']['points'][$index], $_POST['choice']['points_unchecked'][$index], $index, $filename);
                                }
                        }
                        else
                        {
                                foreach ($_POST['choice']['answer'] as $index => $answer)
                                {
                                        $answertext = $answer;
                                        $this->object->addAnswer($answertext, $_POST['choice']['points'][$index], $_POST['choice']['points_unchecked'][$index], $index);
                                }
                        }
                        return 0;
                }
                else
                {
                        return 1;
                }
        }

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Field Documentation

assMultipleChoiceGUI::$choiceKeys

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

Referenced by getChoiceKeys().

---

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

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