assNumericGUI Class Reference

Numeric question GUI representation. More...

Inheritance diagram for assNumericGUI:

Collaboration diagram for assNumericGUI:

Public Member Functions
	__construct ($id=-1)
	assNumericGUI constructor
	getCommand ($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.
	checkRange ()
	Checks the range limits.
	outQuestionForTest ($formaction, $active_id, $pass=NULL, $is_postponed=FALSE, $use_post_solutions=FALSE)
	getSolutionOutput ($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, $use_post_solutions=FALSE)
	saveFeedback ()
	Saves the feedback for a single choice question.
	setQuestionTabs ()
	Sets the ILIAS tabs for this question type.
Public Member Functions inherited from assQuestionGUI
	__construct ()
	assQuestionGUI constructor
&	executeCommand ()
	execute command
	getType ()
	needed for page editor compliance
	writePostData ()
	Evaluates a posted edit form and writes the form data in the question object.
	assessment ()
	output assessment
&	_getQuestionGUI ($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, $pass)
	Returns the answer specific feedback depending on the results of the question.
	feedback ($checkonly=false)
	Creates the output of the feedback page for the question.
	outQuestionType ()
	suggestedsolution ()
	Allows to add suggested solutions for questions.
	outSolutionExplorer ()
	saveSuggestedSolution ()
	cancelExplorer ()
	outPageSelector ()
	outChapterSelector ()
	outGlossarySelector ()
	linkChilds ()
	addPG ()
	addST ()
	addGIT ()

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

Detailed Description

Numeric question GUI representation.

The assNumericGUI class encapsulates the GUI representation for numeric 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

Nina Gharib nina@.nosp@m.wgse.nosp@m.rve.d.nosp@m.e

Version

Id:

class.assNumericGUI.php 22681 2010-01-12 11:41:07Z hschottm

Definition at line 38 of file class.assNumericGUI.php.

Constructor & Destructor Documentation

assNumericGUI::__construct

(

$id = -1

)

assNumericGUI constructor

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

Parameters

integer

$id

The database id of a Numeric question object public

Definition at line 48 of file class.assNumericGUI.php.

References assQuestionGUI\__construct().

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

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Member Function Documentation

assNumericGUI::checkRange

(

)

Checks the range limits.

Checks the Range limits Upper and Lower for their correctness

Returns

boolean private

Definition at line 185 of file class.assNumericGUI.php.

References $_POST.

        {
                include_once "./Services/Math/classes/class.EvalMath.php";
                $eval = new EvalMath();
                $eval->suppress_errors = TRUE;
                if (($eval->e($_POST["rang_lower_limit"]) !== FALSE) AND ($eval->e($_POST ["range_upper_limit"]) !== FALSE))
                {
                        if ($eval->e($_POST["rang_lower_limit"]) < $eval->e($_POST["range_upper_limit"]))
                        {
                                return TRUE;
                        }
                        else 
                        {
                                return FALSE;
                        }
                }
                else 
                {
                        return FALSE;
                }
        }

assNumericGUI::editQuestion

(

$checkonly = FALSE

)

Creates an output of the edit form for the question.

public

Definition at line 108 of file class.assNumericGUI.php.

References $errors, $points, assQuestionGUI\addBasicQuestionFormProperties(), assQuestionGUI\addQuestionFormCommandButtons(), assQuestionGUI\getQuestionTemplate(), assQuestionGUI\outQuestionType(), ilTextInputGUI\setSize(), and ilNumberInputGUI\setSize().

Referenced by 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());
                $form->setMultipart(TRUE);
                $form->setTableWidth("100%");
                $form->setId("assnumeric");

                $this->addBasicQuestionFormProperties($form);

                // maxchars
                $maxchars = new ilNumberInputGUI($this->lng->txt("maxchars"), "maxchars");
                $maxchars->setSize(10);
                $maxchars->setDecimals(0);
                $maxchars->setMinValue(1);
                $maxchars->setRequired(true);
                if ($this->object->getMaxChars() > 0) $maxchars->setValue($this->object->getMaxChars());
                $form->addItem($maxchars);

                // points
                $points = new ilNumberInputGUI($this->lng->txt("points"), "points");
                $points->setValue($this->object->getPoints());
                $points->setRequired(TRUE);
                $points->setSize(3);
                $points->setMinValue(0.0);
                $form->addItem($points);

                $header = new ilFormSectionHeaderGUI();
                $header->setTitle($this->lng->txt("range"));
                $form->addItem($header);
                
                // lower bound
                $lower_limit = new ilFormulaInputGUI($this->lng->txt("range_lower_limit"), "lowerlimit");
                $lower_limit->setSize(25);
                $lower_limit->setMaxLength(20);
                $lower_limit->setRequired(true);
                $lower_limit->setValue($this->object->getLowerLimit());
                $form->addItem($lower_limit);

                // upper bound
                $upper_limit = new ilFormulaInputGUI($this->lng->txt("range_upper_limit"), "upperlimit");
                $upper_limit->setSize(25);
                $upper_limit->setMaxLength(20);
                $upper_limit->setRequired(true);
                $upper_limit->setValue($this->object->getUpperLimit());
                $form->addItem($upper_limit);

                $this->addQuestionFormCommandButtons($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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assNumericGUI::getCommand

(

$cmd

)

Reimplemented from assQuestionGUI.

Definition at line 59 of file class.assNumericGUI.php.

References $cmd.

        {
                if (substr($cmd, 0, 6) == "delete")
                {
                        $cmd = "delete";
                }

                return $cmd;
        }

assNumericGUI::getPreview

(

$show_question_only = FALSE

)

Definition at line 302 of file class.assNumericGUI.php.

References assQuestionGUI\getILIASPage().

        {
                // generate the question output
                include_once "./classes/class.ilTemplate.php";
                $template = new ilTemplate("tpl.il_as_qpl_numeric_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
                $template->setVariable("NUMERIC_SIZE", $this->object->getMaxChars());
                $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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assNumericGUI::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 227 of file class.assNumericGUI.php.

References $pass, assQuestionGUI\getAnswerFeedbackOutput(), assQuestionGUI\getILIASPage(), and ilUtil\getImagePath().

        {
                // get the solution of the user for the active pass or from the last pass if allowed
                $solutions = array();
                if (($active_id > 0) && (!$show_correct_solution))
                {
                        $solutions =& $this->object->getSolutionValues($active_id, $pass);
                }
                else
                {
                        array_push($solutions, array("value1" => sprintf($this->lng->txt("value_between_x_and_y"), $this->object->getLowerLimit(), $this->object->getUpperLimit())));
                }
                
                // generate the question output
                include_once "./classes/class.ilTemplate.php";
                $template = new ilTemplate("tpl.il_as_qpl_numeric_output_solution.html", TRUE, TRUE, "Modules/TestQuestionPool");
                $solutiontemplate = new ilTemplate("tpl.il_as_tst_solution_output.html",TRUE, TRUE, "Modules/TestQuestionPool");
                if (is_array($solutions))
                {
                        if (($active_id > 0) && (!$show_correct_solution))
                        {
                                if ($graphicalOutput)
                                {
                                        // output of ok/not ok icons for user entered solutions
                                        if ($this->object->getReachedPoints($active_id, $pass) == $this->object->getMaximumPoints())
                                        {
                                                $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"));
                                                $template->parseCurrentBlock();
                                        }
                                }
                        }
                        foreach ($solutions as $solution)
                        {
                                $template->setVariable("NUMERIC_VALUE", $solution["value1"]);
                        }
                        if (count($solutions) == 0)
                        {
                                $template->setVariable("NUMERIC_VALUE", "      ");
                        }
                }
                $template->setVariable("NUMERIC_SIZE", $this->object->getMaxChars());
                $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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assNumericGUI::getTestOutput	(		$active_id,
			$pass = NULL,
			$is_postponed = FALSE,
			$use_post_solutions = FALSE
	)

Definition at line 319 of file class.assNumericGUI.php.

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

Referenced by outQuestionForTest().

        {
                // get the solution of the user for the active pass or from the last pass if allowed
                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);
                }
                
                // generate the question output
                include_once "./classes/class.ilTemplate.php";
                $template = new ilTemplate("tpl.il_as_qpl_numeric_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
                if (is_array($solutions))
                {
                        foreach ($solutions as $solution)
                        {
                                $template->setVariable("NUMERIC_VALUE", " value=\"".$solution["value1"]."\"");
                        }
                }
                $template->setVariable("NUMERIC_SIZE", $this->object->getMaxChars());
                $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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assNumericGUI::outQuestionForTest	(		$formaction,
			$active_id,
			$pass = NULL,
			$is_postponed = FALSE,
			$use_post_solutions = FALSE
	)

Definition at line 207 of file class.assNumericGUI.php.

References $pass, and getTestOutput().

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

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assNumericGUI::saveFeedback

(

)

Saves the feedback for a single choice question.

Saves the feedback for a single choice question

public

Reimplemented from assQuestionGUI.

Definition at line 358 of file class.assNumericGUI.php.

References $_POST, $errors, and assQuestionGUI\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"]);
                $this->object->cleanupMediaObjectUsage();
                parent::saveFeedback();
        }

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assNumericGUI::setQuestionTabs

(

)

Sets the ILIAS tabs for this question type.

public

Definition at line 373 of file class.assNumericGUI.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");
                        // edit question properties
                        $ilTabs->addTarget("edit_properties",
                                $url,
                                array("editQuestion", "save", "cancel", "saveEdit", "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"));
                }
        }

assNumericGUI::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 75 of file class.assNumericGUI.php.

References $_POST, and editQuestion().

        {
                $hasErrors = (!$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);
                        $this->object->setMaxChars($_POST["maxchars"]);
                        $this->object->setEstimatedWorkingTime(
                                $_POST["Estimated"]["hh"],
                                $_POST["Estimated"]["mm"],
                                $_POST["Estimated"]["ss"]
                        );
                        $this->object->setLowerLimit($_POST['lowerlimit']);
                        $this->object->setUpperLimit($_POST['upperlimit']);
                        $this->object->setPoints($_POST['points']);
                        return 0;
                }
                else
                {
                        return 1;
                }
        }

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---

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

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