Public Member Functions

assMultipleChoiceGUI Class Reference

Multiple choice question GUI representation. More...

Inheritance diagram for assMultipleChoiceGUI:
Collaboration diagram for assMultipleChoiceGUI:

Public Member Functions

 assMultipleChoiceGUI ($id=-1)
 assMultipleChoiceGUI constructor
 getCommand ($cmd)
 getQuestionType ()
 Returns the question type string.
 editQuestion ()
 Creates an output of the edit form for the question.
 add ()
 add an answer
 deleteAnswer ()
 delete checked answers
 checkInput ()
 check input fields
 writePostData ()
 Evaluates a posted edit form and writes the form data in the question object.
 outQuestionForTest ($formaction, $active_id, $pass=NULL, $is_postponed=FALSE, $use_post_solutions=FALSE)
 getSolutionOutput ($active_id, $pass=NULL, $graphicalOutput=FALSE, $result_output=FALSE, $show_question_only=TRUE)
 getPreview ()
 getTestOutput ($active_id, $pass=NULL, $is_postponed=FALSE, $use_post_solutions=FALSE)
 addSuggestedSolution ()
 Handler for cmd[addSuggestedSolution] to add a suggested solution for the question.
 upload ()
 upload an image
 deleteImage ()
 editMode ()

Detailed Description

Multiple choice question GUI representation.

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

Author:
Helmut Schottmüller <helmut.schottmueller@mac.com>
Version:
Id:
class.assMultipleChoiceGUI.php 14114 2007-06-12 14:41:49Z hschottm

class.assMultipleChoiceGUI.php Assessment

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


Member Function Documentation

assMultipleChoiceGUI::add (  ) 

add an answer

Definition at line 325 of file class.assMultipleChoiceGUI.php.

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

        {
                //$this->setObjectData();
                $this->writePostData();

                if (!$this->checkInput())
                {
                        sendInfo($this->lng->txt("fill_out_all_required_fields_add_answer"));
                }
                else
                {
                        // add an answer template
                        $nrOfAnswers = $_POST["nrOfAnswers"];
                        switch ($nrOfAnswers)
                        {
                                case "tf":
                                        // add a true/false answer template
                                        $this->object->addAnswer(
                                                $this->lng->txt("true"),
                                                0,
                                                0,
                                                count($this->object->answers),
                                                ""
                                        );
                                        $this->object->addAnswer(
                                                $this->lng->txt("false"),
                                                0,
                                                0,
                                                count($this->object->answers),
                                                ""
                                        );
                                        break;
                                case "yn":
                                        // add a yes/no answer template
                                        $this->object->addAnswer(
                                                $this->lng->txt("yes"),
                                                0,
                                                0,
                                                count($this->object->answers),
                                                ""
                                        );
                                        $this->object->addAnswer(
                                                $this->lng->txt("no"),
                                                0,
                                                0,
                                                count($this->object->answers),
                                                ""
                                        );
                                        break;
                                default:
                                        for ($i = 0; $i < $nrOfAnswers; $i++)
                                        {
                                                $this->object->addAnswer(
                                                        $this->lng->txt(""),
                                                        0,
                                                        0,
                                                        count($this->object->answers),
                                                        ""
                                                );
                                        }
                                        break;
                        }
                }

                $this->editQuestion();
        }

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assMultipleChoiceGUI::addSuggestedSolution (  ) 

Handler for cmd[addSuggestedSolution] to add a suggested solution for the question.

Handler for cmd[addSuggestedSolution] to add a suggested solution for the question

public

Reimplemented from assQuestionGUI.

Definition at line 841 of file class.assMultipleChoiceGUI.php.

References $_GET, $_POST, $_SESSION, checkInput(), editQuestion(), assQuestionGUI::getErrorMessage(), assQuestionGUI::getQuestionTemplate(), sendInfo(), and writePostData().

        {
                $_SESSION["subquestion_index"] = 0;
                if ($_POST["cmd"]["addSuggestedSolution"])
                {
                        if ($this->writePostData())
                        {
                                sendInfo($this->getErrorMessage());
                                $this->editQuestion();
                                return;
                        }
                        if (!$this->checkInput())
                        {
                                sendInfo($this->lng->txt("fill_out_all_required_fields_add_answer"));
                                $this->editQuestion();
                                return;
                        }
                }
                $this->object->saveToDb();
                $_GET["q_id"] = $this->object->getId();
                $this->tpl->setVariable("HEADER", $this->object->getTitle());
                $this->getQuestionTemplate();
                parent::addSuggestedSolution();
        }

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assMultipleChoiceGUI::assMultipleChoiceGUI ( 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 48 of file class.assMultipleChoiceGUI.php.

References $id, and assQuestionGUI::assQuestionGUI().

        {
                $this->assQuestionGUI();
                include_once "./assessment/classes/class.assMultipleChoice.php";
                $this->object = new assMultipleChoice();
                if ($id >= 0)
                {
                        $this->object->loadFromDb($id);
                }
        }

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assMultipleChoiceGUI::checkInput (  ) 

check input fields

Definition at line 413 of file class.assMultipleChoiceGUI.php.

References $_POST, $cmd, and $key.

Referenced by add(), and addSuggestedSolution().

        {
                $cmd = $this->ctrl->getCmd();

                if ((!$_POST["title"]) or (!$_POST["author"]) or (!$_POST["question"]))
                {
//echo "<br>checkInput1:FALSE";
                        return false;
                }
                foreach ($_POST as $key => $value)
                {
                        if (preg_match("/answer_(\d+)/", $key, $matches))
                        {
                                if (strlen($value) == 0)
                                {
                                        if (strlen($_POST["uploaded_image_".$matches[1]]) == 0)
                                        {
                                                return false;
                                        }
                                }
                        }
                }

                return true;
        }

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assMultipleChoiceGUI::deleteAnswer (  ) 

delete checked answers

Definition at line 395 of file class.assMultipleChoiceGUI.php.

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

        {
                $this->writePostData();
                $answers = $_POST["chb_answers"];
                if (is_array($answers))
                {
                        arsort($answers);
                        foreach ($answers as $answer)
                        {
                                $this->object->deleteAnswer($answer);
                        }
                }
                $this->editQuestion();
        }

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assMultipleChoiceGUI::deleteImage (  ) 

Definition at line 875 of file class.assMultipleChoiceGUI.php.

References $_POST, $key, editQuestion(), assQuestionGUI::getErrorMessage(), sendInfo(), and writePostData().

        {
                if ($this->writePostData())
                {
                        sendInfo($this->getErrorMessage());
                        $this->editQuestion();
                        return;
                }
                $imageorder = "";
                foreach ($_POST["cmd"] as $key => $value)
                {
                        if (preg_match("/deleteImage_(\d+)/", $key, $matches))
                        {
                                $imageorder = $matches[1];
                        }
                }
                for ($i = 0; $i < $this->object->getAnswerCount(); $i++)
                {
                        $answer = $this->object->getAnswer($i);
                        if ($answer->getOrder() == $imageorder)
                        {
                                $this->object->deleteImage($answer->getImage());
                                $this->object->answers[$i]->setImage("");
                        }
                }
                $this->editQuestion();
        }

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assMultipleChoiceGUI::editMode (  ) 

Definition at line 903 of file class.assMultipleChoiceGUI.php.

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

        {
                global $ilUser;
                
                $this->object->setMultilineAnswerSetting($_POST["multilineAnswers"]);
                $this->object->setGraphicalAnswerSetting($_POST["graphicalAnswerSupport"]);
                $this->writePostData();
                $this->editQuestion();
        }

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assMultipleChoiceGUI::editQuestion (  ) 

Creates an output of the edit form for the question.

Creates an output of the edit form for the question

public

Definition at line 95 of file class.assMultipleChoiceGUI.php.

References $_GET, $_POST, $key, $obj_id, assQuestion::_getInternalLinkHref(), ilRTE::_getRTEClassname(), ilObject::_lookupType(), ilUtil::getImagePath(), assQuestionGUI::getQuestionTemplate(), assQuestionGUI::outOtherQuestionData(), and ilUtil::prepareFormOutput().

Referenced by add(), addSuggestedSolution(), deleteAnswer(), deleteImage(), editMode(), and upload().

        {
                //$this->tpl->setVariable("HEADER", $this->object->getTitle());
                $javascript = "<script type=\"text/javascript\">function initialSelect() {\n%s\n}</script>";
                $graphical_answer_setting = $this->object->getGraphicalAnswerSetting();
                $multiline_answers = $this->object->getMultilineAnswerSetting();
                if ($graphical_answer_setting == 0)
                {
                        for ($i = 0; $i < $this->object->getAnswerCount(); $i++)
                        {
                                $answer = $this->object->getAnswer($i);
                                if (strlen($answer->getImage())) $graphical_answer_setting = 1;
                        }
                }
                $this->getQuestionTemplate();
                $this->tpl->addBlockFile("QUESTION_DATA", "question_data", "tpl.il_as_qpl_mc_mr.html", true);

                if ($this->object->getAnswerCount() > 0)
                {
                        $this->tpl->setCurrentBlock("answersheading");
                        $this->tpl->setVariable("TEXT_POINTS_CHECKED", $this->lng->txt("points_checked"));
                        $this->tpl->setVariable("TEXT_POINTS_UNCHECKED", $this->lng->txt("points_unchecked"));
                        $this->tpl->setVariable("TEXT_ANSWER_TEXT", $this->lng->txt("answer_text"));
                        $this->tpl->parseCurrentBlock();
                        $this->tpl->setCurrentBlock("selectall");
                        $this->tpl->setVariable("SELECT_ALL", $this->lng->txt("select_all"));
                        $this->tpl->parseCurrentBlock();
                        $this->tpl->setCurrentBlock("existinganswers");
                        $this->tpl->setVariable("DELETE", $this->lng->txt("delete"));
                        $this->tpl->setVariable("MOVE", $this->lng->txt("move"));
                        $this->tpl->setVariable("ARROW", "<img src=\"" . ilUtil::getImagePath("arrow_downright.gif") . "\" alt=\"".$this->lng->txt("arrow_downright")."\">");
                        $this->tpl->parseCurrentBlock();
                }
                for ($i = 0; $i < $this->object->getAnswerCount(); $i++)
                {
                        $answer = $this->object->getAnswer($i);
                        if ($graphical_answer_setting == 1)
                        {
                                $imagefilename = $this->object->getImagePath() . $answer->getImage();
                                if (!@file_exists($imagefilename))
                                {
                                        $answer->setImage("");
                                }
                                if (strlen($answer->getImage()))
                                {
                                        $imagepath = $this->object->getImagePathWeb() . $answer->getImage();
                                        $this->tpl->setCurrentBlock("graphical_answer_image");
                                        $this->tpl->setVariable("IMAGE_FILE", $imagepath);
                                        if (strlen($answer->getAnswertext()))
                                        {
                                                $this->tpl->setVariable("IMAGE_ALT", ilUtil::prepareFormOutput($answer->getAnswertext()));
                                        }
                                        else
                                        {
                                                $this->tpl->setVariable("IMAGE_ALT", $this->lng->txt("image"));
                                        }
                                        $this->tpl->setVariable("ANSWER_ORDER", $answer->getOrder());
                                        $this->tpl->setVariable("DELETE_IMAGE", $this->lng->txt("delete_image"));
                                        $this->tpl->parseCurrentBlock();
                                }
                                $this->tpl->setCurrentBlock("graphical_answer");
                                $this->tpl->setVariable("ANSWER_ORDER", $answer->getOrder());
                                $this->tpl->setVariable("UPLOAD_IMAGE", $this->lng->txt("upload_image"));
                                $this->tpl->setVariable("VALUE_IMAGE", $answer->getImage());
                                $this->tpl->parseCurrentBlock();
                        }
                        if ($multiline_answers)
                        {
                                $this->tpl->setCurrentBlock("show_textarea");
                                $this->tpl->setVariable("ANSWER_ANSWER_ORDER", $answer->getOrder());
                                $this->tpl->setVariable("VALUE_ANSWER", ilUtil::prepareFormOutput($answer->getAnswertext()));
                                $this->tpl->parseCurrentBlock();
                        }
                        else
                        {
                                $this->tpl->setCurrentBlock("show_textinput");
                                $this->tpl->setVariable("ANSWER_ANSWER_ORDER", $answer->getOrder());
                                $this->tpl->setVariable("VALUE_ANSWER", ilUtil::prepareFormOutput($answer->getAnswertext()));
                                $this->tpl->parseCurrentBlock();
                        }
                        $this->tpl->setCurrentBlock("answers");
                        $this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_POINTS_CHECKED", $answer->getPoints());
                        $this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_POINTS_UNCHECKED", $answer->getPointsUnchecked());
                        $this->tpl->setVariable("ANSWER_ORDER", $answer->getOrder());
                        $this->tpl->parseCurrentBlock();
                }

                // call to other question data i.e. estimated working time block
                $this->outOtherQuestionData();

                $internallinks = array(
                        "lm" => $this->lng->txt("obj_lm"),
                        "st" => $this->lng->txt("obj_st"),
                        "pg" => $this->lng->txt("obj_pg"),
                        "glo" => $this->lng->txt("glossary_term")
                );
                foreach ($internallinks as $key => $value)
                {
                        $this->tpl->setCurrentBlock("internallink");
                        $this->tpl->setVariable("TYPE_INTERNAL_LINK", $key);
                        $this->tpl->setVariable("TEXT_INTERNAL_LINK", $value);
                        $this->tpl->parseCurrentBlock();
                }
                
                $this->tpl->setCurrentBlock("HeadContent");

                if ($this->object->getAnswerCount() == 0)
                {
                        $this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.title.focus();"));
                }
                else
                {
                        switch ($this->ctrl->getCmd())
                        {
                                case "add":
                                        $nrOfAnswers = $_POST["nrOfAnswers"];
                                        if ((strcmp($nrOfAnswers, "yn") == 0) || (strcmp($nrOfAnswers, "tf") == 0)) $nrOfAnswers = 2;
                                        $this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.answer_".($this->object->getAnswerCount() - $nrOfAnswers).".focus(); document.getElementById('answer_".($this->object->getAnswerCount() - $nrOfAnswers)."').scrollIntoView(\"true\");"));
                                        break;
                                case "deleteAnswer":
                                        if ($this->object->getAnswerCount() == 0)
                                        {
                                                $this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.title.focus();"));
                                        }
                                        else
                                        {
                                                $this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.answer_".($this->object->getAnswerCount() - 1).".focus(); document.getElementById('answer_".($this->object->getAnswerCount() - 1)."').scrollIntoView(\"true\");"));
                                        }
                                        break;
                                default:
                                        $this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_multiple_choice.title.focus();"));
                                        break;
                        }
                }
                $this->tpl->parseCurrentBlock();
                
                for ($i = 1; $i < 10; $i++)
                {
                        $this->tpl->setCurrentBlock("numbers");
                        $this->tpl->setVariable("VALUE_NUMBER", $i);
                        if ($i == 1)
                        {
                                $this->tpl->setVariable("TEXT_NUMBER", $i . " " . $this->lng->txt("answer"));
                        }
                        else
                        {
                                $this->tpl->setVariable("TEXT_NUMBER", $i . " " . $this->lng->txt("answers"));
                        }
                        $this->tpl->parseCurrentBlock();
                }
                
                $this->tpl->setCurrentBlock("question_data");
                $this->tpl->setVariable("TEXT_TITLE", $this->lng->txt("title"));
                $this->tpl->setVariable("TEXT_AUTHOR", $this->lng->txt("author"));
                $this->tpl->setVariable("TEXT_COMMENT", $this->lng->txt("description"));
                $this->tpl->setVariable("TEXT_QUESTION", $this->lng->txt("question"));
                $this->tpl->setVariable("MULTIPLE_CHOICE_ID", $this->object->getId());
                $this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_TITLE", ilUtil::prepareFormOutput($this->object->getTitle()));
                $this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_COMMENT", ilUtil::prepareFormOutput($this->object->getComment()));
                $this->tpl->setVariable("VALUE_MULTIPLE_CHOICE_AUTHOR", ilUtil::prepareFormOutput($this->object->getAuthor()));
                $this->tpl->setVariable("TEXT_GRAPHICAL_ANSWERS", $this->lng->txt("graphical_answers"));
                $this->tpl->setVariable("TEXT_HIDE_GRAPHICAL_ANSWER_SUPPORT", $this->lng->txt("graphical_answers_hide"));
                $this->tpl->setVariable("TEXT_SHOW_GRAPHICAL_ANSWER_SUPPORT", $this->lng->txt("graphical_answers_show"));
                if ($this->object->getGraphicalAnswerSetting() == 1)
                {
                        $this->tpl->setVariable("SELECTED_SHOW_GRAPHICAL_ANSWER_SUPPORT", " selected=\"selected\"");
                }
                if ($multiline_answers)
                {
                        $this->tpl->setVariable("SELECTED_SHOW_MULTILINE_ANSWERS", " selected=\"selected\"");
                }
                $this->tpl->setVariable("TEXT_HIDE_MULTILINE_ANSWERS", $this->lng->txt("multiline_answers_hide"));
                $this->tpl->setVariable("TEXT_SHOW_MULTILINE_ANSWERS", $this->lng->txt("multiline_answers_show"));
                $this->tpl->setVariable("SET_EDIT_MODE", $this->lng->txt("set_edit_mode"));
                $questiontext = $this->object->getQuestion();
                $this->tpl->setVariable("VALUE_QUESTION", ilUtil::prepareFormOutput($this->object->prepareTextareaOutput($questiontext)));
                $this->tpl->setVariable("VALUE_ADD_ANSWER", $this->lng->txt("add"));
                $this->tpl->setVariable("TEXT_SHUFFLE_ANSWERS", $this->lng->txt("shuffle_answers"));
                $this->tpl->setVariable("TXT_YES", $this->lng->txt("yes"));
                $this->tpl->setVariable("TXT_NO", $this->lng->txt("no"));
                if ($this->object->getShuffle())
                {
                        $this->tpl->setVariable("SELECTED_YES", " selected=\"selected\"");
                }
                else
                {
                        $this->tpl->setVariable("SELECTED_NO", " selected=\"selected\"");
                }
                $this->tpl->setVariable("TEXT_SOLUTION_HINT", $this->lng->txt("solution_hint"));
                if (count($this->object->suggested_solutions))
                {
                        $solution_array = $this->object->getSuggestedSolution(0);
                        include_once "./assessment/classes/class.assQuestion.php";
                        $href = assQuestion::_getInternalLinkHref($solution_array["internal_link"]);
                        $this->tpl->setVariable("TEXT_VALUE_SOLUTION_HINT", " <a href=\"$href\" target=\"content\">" . $this->lng->txt("solution_hint"). "</a> ");
                        $this->tpl->setVariable("BUTTON_REMOVE_SOLUTION", $this->lng->txt("remove"));
                        $this->tpl->setVariable("BUTTON_ADD_SOLUTION", $this->lng->txt("change"));
                        $this->tpl->setVariable("VALUE_SOLUTION_HINT", $solution_array["internal_link"]);
                }
                else
                {
                        $this->tpl->setVariable("BUTTON_ADD_SOLUTION", $this->lng->txt("add"));
                }
                $this->tpl->setVariable("SAVE",$this->lng->txt("save"));
                $this->tpl->setVariable("SAVE_EDIT", $this->lng->txt("save_edit"));
                $this->tpl->setVariable("TXT_REQUIRED_FLD", $this->lng->txt("required_field"));
                $this->tpl->setVariable("CANCEL", $this->lng->txt("cancel"));
                $this->ctrl->setParameter($this, "sel_question_types", "assMultipleChoice");
                $this->tpl->setVariable("ACTION_MULTIPLE_CHOICE_TEST", $this->ctrl->getFormAction($this));
                $this->tpl->setVariable("TEXT_QUESTION_TYPE", $this->lng->txt("assMultipleChoice"));
                $this->tpl->parseCurrentBlock();

                include_once "./Services/RTE/classes/class.ilRTE.php";
                $rtestring = ilRTE::_getRTEClassname();
                include_once "./Services/RTE/classes/class.$rtestring.php";
                $rte = new $rtestring();
                $rte->addPlugin("latex");
                $rte->addButton("latex");
                include_once "./classes/class.ilObject.php";
                $obj_id = $_GET["q_id"];
                $obj_type = ilObject::_lookupType($_GET["ref_id"], TRUE);
                $rte->addRTESupport($obj_id, $obj_type, "assessment");
                $this->tpl->setCurrentBlock("adm_content");
                $this->tpl->setVariable("BODY_ATTRIBUTES", " onload=\"initialSelect();\""); 
                $this->tpl->parseCurrentBlock();
        }

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assMultipleChoiceGUI::getCommand ( cmd  ) 

Reimplemented from assQuestionGUI.

Definition at line 61 of file class.assMultipleChoiceGUI.php.

References $cmd.

        {
                if (substr($cmd, 0, 6) == "upload")
                {
                        $cmd = "upload";
                }
                if (substr($cmd, 0, 11) == "deleteImage")
                {
                        $cmd = "deleteImage";
                }
                return $cmd;
        }

assMultipleChoiceGUI::getPreview (  ) 

Definition at line 732 of file class.assMultipleChoiceGUI.php.

References ilUtil::prepareFormOutput().

        {
                // shuffle output
                $keys = array_keys($this->object->answers);
                if ($this->object->getShuffle())
                {
                        $keys = $this->object->pcArrayShuffle($keys);
                }

                // generate the question output
                include_once "./classes/class.ilTemplate.php";
                $template = new ilTemplate("tpl.il_as_qpl_mc_mr_output.html", TRUE, TRUE, TRUE);
                foreach ($keys as $answer_id)
                {
                        $answer = $this->object->answers[$answer_id];
                        if (strlen($answer->getImage()))
                        {
                                $template->setCurrentBlock("answer_image");
                                $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();
                        }
                        $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();
                $questionoutput = preg_replace("/<div[^>]*?>(.*)<\/div>/is", "\\1", $questionoutput);
                return $questionoutput;
        }

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assMultipleChoiceGUI::getQuestionType (  ) 

Returns the question type string.

Returns the question type string

Returns:
string The question type string public

Reimplemented from assQuestionGUI.

Definition at line 83 of file class.assMultipleChoiceGUI.php.

        {
                return "assMultipleChoice";
        }

assMultipleChoiceGUI::getSolutionOutput ( active_id,
pass = NULL,
graphicalOutput = FALSE,
result_output = FALSE,
show_question_only = TRUE 
)

Definition at line 588 of file class.assMultipleChoiceGUI.php.

References $idx, $ok, assQuestionGUI::getILIASPage(), ilUtil::getImagePath(), and ilUtil::prepareFormOutput().

        {
                // shuffle output
                $keys = array_keys($this->object->answers);

                // get the solution of the user for the active pass or from the last pass if allowed
                $user_solution = array();
                if ($active_id)
                {
                        $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, TRUE);
                $solutiontemplate = new ilTemplate("tpl.il_as_tst_solution_output.html", TRUE, TRUE, TRUE);
                foreach ($keys as $answer_id)
                {
                        $answer = $this->object->answers[$answer_id];
                        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");
                                $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();
                        }
                        $template->setCurrentBlock("answer_row");
                        $template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
                        $checked = FALSE;
                        foreach ($user_solution as $mc_solution)
                        {
                                if (strcmp($mc_solution, $answer_id) == 0)
                                {
                                        $template->setVariable("SOLUTION_IMAGE", ilUtil::getImagePath("checkbox_checked.gif"));
                                        $template->setVariable("SOLUTION_ALT", $this->lng->txt("checked"));
                                        $checked = TRUE;
                                }
                        }
                        if ($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, $pointsunchecked));
                        }
                        if (!$checked)
                        {
                                $template->setVariable("SOLUTION_IMAGE", 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();
                $solutiontemplate->setVariable("SOLUTION_OUTPUT", $questionoutput);

                $solutionoutput = $solutiontemplate->get(); 
                if (!$show_question_only)
                {
                        // get page object output
                        $pageoutput = $this->getILIASPage();
                        $solutionoutput = preg_replace("/(<div( xmlns:xhtml\=\"http:\/\/www.w3.org\/1999\/xhtml\"){0,1} class\=\"ilc_Question\"><\/div>)/ims", $solutionoutput, $pageoutput);
                }
                return $solutionoutput;
        }

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

Definition at line 773 of file class.assMultipleChoiceGUI.php.

References $idx, ilObjTest::_getHidePreviousResults(), ilObjTest::_getPass(), assQuestionGUI::outQuestionPage(), and ilUtil::prepareFormOutput().

Referenced by outQuestionForTest().

        {
                // shuffle output
                $keys = array_keys($this->object->answers);
                if ($this->object->getShuffle())
                {
                        $keys = $this->object->pcArrayShuffle($keys);
                }

                // get page object output
                $pageoutput = $this->outQuestionPage("", $is_postponed, $active_id);

                // get the solution of the user for the active pass or from the last pass if allowed
                $user_solution = array();
                if ($active_id)
                {
                        $solutions = NULL;
                        include_once "./assessment/classes/class.ilObjTest.php";
                        if (ilObjTest::_getHidePreviousResults($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";
                $template = new ilTemplate("tpl.il_as_qpl_mc_mr_output.html", TRUE, TRUE, TRUE);
                foreach ($keys as $answer_id)
                {
                        $answer = $this->object->answers[$answer_id];
                        if (strlen($answer->getImage()))
                        {
                                $template->setCurrentBlock("answer_image");
                                $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();
                        }
                        $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();
                $questionoutput = preg_replace("/(<div( xmlns:xhtml\=\"http:\/\/www.w3.org\/1999\/xhtml\"){0,1} class\=\"ilc_Question\"><\/div>)/ims", $questionoutput, $pageoutput);
                return $questionoutput;
        }

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

Definition at line 581 of file class.assMultipleChoiceGUI.php.

References 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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assMultipleChoiceGUI::upload (  ) 

upload an image

Definition at line 869 of file class.assMultipleChoiceGUI.php.

References editQuestion(), and writePostData().

        {
                $this->writePostData();
                $this->editQuestion();
        }

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assMultipleChoiceGUI::writePostData (  ) 

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

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

Reimplemented from assQuestionGUI.

Definition at line 447 of file class.assMultipleChoiceGUI.php.

References $_GET, $_POST, $key, $result, ilObjAdvancedEditing::_getUsedHTMLTagsAsString(), sendInfo(), assQuestionGUI::setErrorMessage(), ilUtil::stripSlashes(), and assQuestionGUI::writeOtherPostData().

Referenced by add(), addSuggestedSolution(), deleteAnswer(), deleteImage(), editMode(), and upload().

        {
//echo "here!"; exit;
//echo "<br>assMultipleChoiceGUI->writePostData()";
                $result = 0;
                if ((!$_POST["title"]) or (!$_POST["author"]) or (!$_POST["question"]))
                {
                        $result = 1;
                }

                if (($result) and (($_POST["cmd"]["add"]) or ($_POST["cmd"]["add_tf"]) or ($_POST["cmd"]["add_yn"])))
                {
                        // You cannot add answers before you enter the required data
                        sendInfo($this->lng->txt("fill_out_all_required_fields_add_answer"));
                        $_POST["cmd"]["add"] = "";
                        $_POST["cmd"]["add_yn"] = "";
                        $_POST["cmd"]["add_tf"] = "";
                }

                // Check the creation of new answer text fields
                if ($_POST["cmd"]["add"] or $_POST["cmd"]["add_yn"] or $_POST["cmd"]["add_tf"])
                {
                        foreach ($_POST as $key => $value)
                        {
                                if (preg_match("/answer_(\d+)/", $key, $matches))
                                {
                                        if (!$value)
                                        {
                                                $_POST["cmd"]["add"] = "";
                                                $_POST["cmd"]["add_yn"] = "";
                                                $_POST["cmd"]["add_tf"] = "";
                                                sendInfo($this->lng->txt("fill_out_all_answer_fields"));
                                        }
                                }
                        }
                }

                $this->object->setTitle(ilUtil::stripSlashes($_POST["title"]));
                $this->object->setAuthor(ilUtil::stripSlashes($_POST["author"]));
                $this->object->setComment(ilUtil::stripSlashes($_POST["comment"]));
                include_once "./classes/class.ilObjAdvancedEditing.php";
                $questiontext = ilUtil::stripSlashes($_POST["question"], false, ilObjAdvancedEditing::_getUsedHTMLTagsAsString("assessment"));
                $this->object->setQuestion($questiontext);
                $this->object->setSuggestedSolution($_POST["solution_hint"], 0);
                $this->object->setShuffle($_POST["shuffle"]);

                $saved = $this->writeOtherPostData($result);
                $this->object->setMultilineAnswerSetting($_POST["multilineAnswers"]);
                $this->object->setGraphicalAnswerSetting($_POST["graphicalAnswerSupport"]);

                // Delete all existing answers and create new answers from the form data
                $this->object->flushAnswers();
                $graphical_answer_setting = $this->object->getGraphicalAnswerSetting();
                // Add all answers from the form into the object
                foreach ($_POST as $key => $value)
                {
                        if (preg_match("/answer_(\d+)/", $key, $matches))
                        {
                                $answer_image = $_POST["uploaded_image_".$matches[1]];
                                if ($graphical_answer_setting == 1)
                                {
                                        foreach ($_FILES as $key2 => $value2)
                                        {
                                                if (preg_match("/image_(\d+)/", $key2, $matches2))
                                                {
                                                        if ($matches[1] == $matches2[1])
                                                        {
                                                                if ($value2["tmp_name"])
                                                                {
                                                                        // upload the image
                                                                        if ($this->object->getId() <= 0)
                                                                        {
                                                                                $this->object->saveToDb();
                                                                                $saved = true;
                                                                                $this->error .= $this->lng->txt("question_saved_for_upload") . "<br />";
                                                                        }
                                                                        $value2['name'] = $this->object->createNewImageFileName($value2['name']);
                                                                        $upload_result = $this->object->setImageFile($value2['name'], $value2['tmp_name']);
                                                                        switch ($upload_result)
                                                                        {
                                                                                case 0:
                                                                                        $_POST["image_".$matches2[1]] = $value2['name'];
                                                                                        $answer_image = $value2['name'];
                                                                                        break;
                                                                                case 1:
                                                                                        $this->error .= $this->lng->txt("error_image_upload_wrong_format") . "<br />";
                                                                                        break;
                                                                                case 2:
                                                                                        $this->error .= $this->lng->txt("error_image_upload_copy_file") . "<br />";
                                                                                        break;
                                                                        }
                                                                }
                                                        }
                                                }
                                        }
                                }
                                $points = $_POST["points_checked_$matches[1]"];
                                $points_unchecked = $_POST["points_unchecked_$matches[1]"];
                                $answertext = ilUtil::stripSlashes($_POST["$key"], false, ilObjAdvancedEditing::_getUsedHTMLTagsAsString("assessment"));
                                $this->object->addAnswer(
                                        $answertext,
                                        ilUtil::stripSlashes($points),
                                        ilUtil::stripSlashes($points_unchecked),
                                        ilUtil::stripSlashes($matches[1]),
                                        $answer_image
                                );
                        }
                }

                if ($this->object->getMaximumPoints() < 0)
                {
                        $result = 1;
                        $this->setErrorMessage($this->lng->txt("enter_enough_positive_points"));
                }
                
                // Set the question id from a hidden form parameter
                if ($_POST["multiple_choice_id"] > 0)
                {
                        $this->object->setId($_POST["multiple_choice_id"]);
                }
                
                if ($saved)
                {
                        // If the question was saved automatically before an upload, we have to make
                        // sure, that the state after the upload is saved. Otherwise the user could be
                        // irritated, if he presses cancel, because he only has the question state before
                        // the upload process.
                        $this->object->saveToDb();
                        $_GET["q_id"] = $this->object->getId();
                }

                return $result;
        }

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