class.assFlashQuestionGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once './Modules/TestQuestionPool/classes/class.assQuestionGUI.php';
require_once './Modules/TestQuestionPool/interfaces/interface.ilGuiQuestionScoringAdjustable.php';
include_once './Modules/Test/classes/inc.AssessmentConstants.php';

class assFlashQuestionGUI extends assQuestionGUI implements ilGuiQuestionScoringAdjustable
{
        private $newUnitId;
        
        function __construct($id = -1)
        {
                parent::__construct();
                include_once "./Modules/TestQuestionPool/classes/class.assFlashQuestion.php";
                $this->object = new assFlashQuestion();
                $this->newUnitId = null;
                if ($id >= 0)
                {
                        $this->object->loadFromDb($id);
                }
        }

        function getCommand($cmd)
        {
                if (preg_match("/suggestrange_(.*?)/", $cmd, $matches))
                {
                        $cmd = "suggestRange";
                }
                return $cmd;
        }

        function suggestRange()
        {
                if ($this->writePostData())
                {
                        ilUtil::sendInfo($this->getErrorMessage());
                }
                $this->editQuestion();
        }

        protected function writePostData($always = false)
        {
                $hasErrors = (!$always) ? $this->editQuestion(true) : false;
                if (!$hasErrors)
                {
                        require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
                        $this->writeQuestionGenericPostData();
                        $this->writeQuestionSpecificPostData(new ilPropertyFormGUI());

                        $this->saveTaxonomyAssignments();
                        return 0;
                }
                return 1;
        }

        public function writeQuestionSpecificPostData(ilPropertyFormGUI $form)
        {
                $this->setErrorMessage( "" );
                if ($_POST['flash']['delete'] == 1)
                {
                        $this->object->deleteApplet();
                }
                else
                {
                        $this->object->setApplet( $_POST['flash']['filename'] );
                }
                if ($_FILES["flash"]["tmp_name"])
                {
                        $this->object->deleteApplet();
                        $filename = $this->object->moveUploadedFile( $_FILES["flash"]["tmp_name"], $_FILES["flash"]["name"] );
                        $this->object->setApplet( $filename );
                }
                $this->object->clearParameters();
                if (is_array( $_POST["flash"]["flash_param_name"] ))
                {
                        foreach ($_POST['flash']['flash_param_name'] as $idx => $val)
                        {
                                $this->object->addParameter( $val, $_POST['flash']['flash_param_value'][$idx] );
                        }
                }
                if (is_array( $_POST['flash']['flash_param_delete'] ))
                {
                        foreach ($_POST['flash']['flash_param_delete'] as $key => $value)
                        {
                                $this->object->removeParameter( $_POST['flash']['flash_param_name'][$key] );
                        }
                }

                $this->object->setWidth( $_POST["flash"]["width"] );
                $this->object->setHeight( $_POST["flash"]["height"] );
                $this->object->setPoints( $_POST["points"] );
        }

        public function editQuestion($checkonly = FALSE)
        {
                //$save = ((strcmp($this->ctrl->getCmd(), "save") == 0) || (strcmp($this->ctrl->getCmd(), "saveEdit") == 0)) ? TRUE : FALSE;
                $save = $this->isSaveCommand();
                $this->getQuestionTemplate();

                include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();
                $this->editForm = $form;

                $form->setFormAction($this->ctrl->getFormAction($this));
                $form->setTitle($this->outQuestionType());
                $form->setMultipart(TRUE);
                $form->setTableWidth("100%");
                $form->setId("flash");

                $this->addBasicQuestionFormProperties($form);
                $this->populateQuestionSpecificFormPart( $form );

                $this->populateTaxonomyFormSection($form);

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

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

        public function populateQuestionSpecificFormPart(ilPropertyFormGUI $form)
        {
                // flash file
                $flash = new ilFlashFileInputGUI($this->lng->txt( "flashfile" ), "flash");
                $flash->setRequired( TRUE );
                if (strlen( $this->object->getApplet() ))
                {
                        $flash->setApplet( $this->object->getApplet() );
                        $flash->setAppletPathWeb( $this->object->getFlashPathWeb() );
                }
                $flash->setWidth( $this->object->getWidth() );
                $flash->setHeight( $this->object->getHeight() );
                $flash->setParameters( $this->object->getParameters() );
                $form->addItem( $flash );
                if ($this->object->getId())
                {
                        $hidden = new ilHiddenInputGUI("", "ID");
                        $hidden->setValue( $this->object->getId() );
                        $form->addItem( $hidden );
                }
                // 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 );

                return $form;
        }

        function flashAddParam()
        {
                $this->writePostData();
                $this->object->addParameter("", "");
                $this->editQuestion();
        }

        function getSolutionOutput(
                $active_id,
                $pass = NULL,
                $graphicalOutput = FALSE,
                $result_output = FALSE,
                $show_question_only = TRUE,
                $show_feedback = FALSE,
                $show_correct_solution = FALSE,
                $show_manual_scoring = FALSE,
                $show_question_text = TRUE
        )
        {
                // get the solution of the user for the active pass or from the last pass if allowed
                $template = new ilTemplate("tpl.il_as_qpl_flash_question_output_solution.html", TRUE, TRUE, "Modules/TestQuestionPool");

                $params = array();
                if (is_array($this->object->getParameters()))
                {
                        foreach ($this->object->getParameters() as $name => $value)
                        {
                                array_push($params, urlencode($name) . "=" . urlencode($value));
                        }
                }

                array_push($params, "session_id=" . urlencode($_COOKIE["PHPSESSID"]));
                array_push($params, "client=" . urlencode(CLIENT_ID));
                array_push($params, "points_max=" . urlencode($this->object->getPoints()));
                array_push($params, "server=" . urlencode(ilUtil::removeTrailingPathSeparators(ILIAS_HTTP_PATH) . "/webservice/soap/server.php?wsdl"));
                if (!is_null($pass))
                {
                        array_push($params, "pass=" . $pass);
                }
                else
                {
                        include_once "./Modules/Test/classes/class.ilObjTest.php";
                        array_push($params, "pass=" . ilObjTest::_getPass($active_id));
                }
                if ($active_id)
                {
                        array_push($params, "active_id=" . $active_id);
                }
                array_push($params, "question_id=" . $this->object->getId());

                if ($show_correct_solution)
                {
                        array_push($params, "solution=correct");
                }
                else
                {
                        array_push($params, "solution=user");
                }

                if (($active_id > 0) && (!$show_correct_solution))
                {
                        if ($graphicalOutput)
                        {
                                // output of ok/not ok icons for user entered solutions
                                $reached_points = $this->object->getReachedPoints($active_id, $pass);
                                if ($reached_points == $this->object->getMaximumPoints())
                                {
                                        $template->setCurrentBlock("icon_ok");
                                        $template->setVariable("ICON_OK", ilUtil::getImagePath("icon_ok.svg"));
                                        $template->setVariable("TEXT_OK", $this->lng->txt("answer_is_right"));
                                        $template->parseCurrentBlock();
                                }
                                else
                                {
                                        $template->setCurrentBlock("icon_ok");
                                        if ($reached_points > 0)
                                        {
                                                $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_mostly_ok.svg"));
                                                $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_not_correct_but_positive"));
                                        }
                                        else
                                        {
                                                $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.svg"));
                                                $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
                                        }
                                        $template->parseCurrentBlock();
                                }
                        }
                }

                if (count($params))
                {
                        $template->setCurrentBlock("flash_vars");
                        $template->setVariable("FLASH_VARS", join($params, "&"));
                        $template->parseCurrentBlock();
                        $template->setCurrentBlock("applet_parameters");
                        $template->setVariable("PARAM_VALUE", join($params, "&"));
                        $template->parseCurrentBlock();
                }
                if ($show_question_text==true)
                {
                        $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($this->object->getQuestion(), TRUE));
                }
                $template->setVariable("APPLET_WIDTH", $this->object->getWidth());
                $template->setVariable("APPLET_HEIGHT", $this->object->getHeight());
                $template->setVariable("ID", $this->object->getId());
                $template->setVariable("APPLET_PATH", $this->object->getFlashPathWeb() . $this->object->getApplet());
                $template->setVariable("APPLET_FILE", $this->object->getApplet());

                $questionoutput = $template->get();
                $solutiontemplate = new ilTemplate("tpl.il_as_tst_solution_output.html",TRUE, TRUE, "Modules/TestQuestionPool");
                $solutiontemplate->setVariable("SOLUTION_OUTPUT", $questionoutput);
                $solutionoutput = $solutiontemplate->get(); 
                if (!$show_question_only)
                {
                        // get page object output
                        $solutionoutput = $this->getILIASPage($solutionoutput);
                }
                return $solutionoutput;
        }
        
        function getPreview($show_question_only = FALSE, $showInlineFeedback = false)
        {
                $template = new ilTemplate("tpl.il_as_qpl_flash_question_output.html",TRUE, TRUE, "Modules/TestQuestionPool");
                $params = array();
                if (is_array($this->object->getParameters()))
                {
                        foreach ($this->object->getParameters() as $name => $value)
                        {
                                array_push($params, urlencode($name) . "=" . urlencode($value));
                        }
                }
                if (count($params))
                {
                        $template->setCurrentBlock("flash_vars");
                        $template->setVariable("FLASH_VARS", join($params, "&"));
                        $template->parseCurrentBlock();
                        $template->setCurrentBlock("applet_parameters");
                        $template->setVariable("PARAM_VALUE", join($params, "&"));
                        $template->parseCurrentBlock();
                }
                $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($this->object->getQuestion(), TRUE));
                $template->setVariable("APPLET_WIDTH", $this->object->getWidth());
                $template->setVariable("APPLET_HEIGHT", $this->object->getHeight());
                $template->setVariable("ID", $this->object->getId());
                $template->setVariable("APPLET_PATH", $this->object->getFlashPathWeb() . $this->object->getApplet());
                $template->setVariable("APPLET_FILE", $this->object->getApplet());
                $questionoutput = $template->get();
                if (!$show_question_only)
                {
                        // get page object output
                        $questionoutput = $this->getILIASPage($questionoutput);
                }
                return $questionoutput;
        }

        // hey: prevPassSolutions - pass will be always available from now on
        function getTestOutput($active_id, $pass, $is_postponed = FALSE, $use_post_solutions = FALSE, $show_feedback = FALSE)
        // hey.
        {
                // generate the question output
                $template = new ilTemplate("tpl.il_as_qpl_flash_question_output.html",TRUE, TRUE, "Modules/TestQuestionPool");
                $params = array();
                if (is_array($this->object->getParameters()))
                {
                        foreach ($this->object->getParameters() as $name => $value)
                        {
                                array_push($params, urlencode($name) . "=" . urlencode($value));
                        }
                }

                array_push($params, "session_id=" . urlencode($_COOKIE["PHPSESSID"]));
                array_push($params, "client=" . urlencode(CLIENT_ID));
                array_push($params, "points_max=" . urlencode($this->object->getPoints()));
                array_push($params, "server=" . urlencode(ilUtil::removeTrailingPathSeparators(ILIAS_HTTP_PATH) . "/webservice/soap/server.php?wsdl"));
                if (strlen($pass))
                {
                        array_push($params, "pass=" . $pass);
                }
                else
                {
                        include_once "./Modules/Test/classes/class.ilObjTest.php";
                        array_push($params, "pass=" . ilObjTest::_getPass($active_id));
                }
                if ($active_id)
                {
                        array_push($params, "active_id=" . $active_id);
                }
                array_push($params, "question_id=" . $this->object->getId());

                if (count($params))
                {
                        $template->setCurrentBlock("flash_vars");
                        $template->setVariable("FLASH_VARS", join($params, "&"));
                        $template->parseCurrentBlock();
                        $template->setCurrentBlock("applet_parameters");
                        $template->setVariable("PARAM_VALUE", join($params, "&"));
                        $template->parseCurrentBlock();
                }
                $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($this->object->getQuestion(), TRUE));
                $template->setVariable("APPLET_WIDTH", $this->object->getWidth());
                $template->setVariable("APPLET_HEIGHT", $this->object->getHeight());
                $template->setVariable("ID", $this->object->getId());
                $template->setVariable("APPLET_PATH", $this->object->getFlashPathWeb() . $this->object->getApplet());
                $template->setVariable("APPLET_FILE", $this->object->getFlashPathWeb() . $this->object->getApplet());
                $questionoutput = $template->get();
                
                $pageoutput = $this->outQuestionPage("", $is_postponed, $active_id, $questionoutput);
                return $pageoutput;
        }

        function setQuestionTabs()
        {
                global $rbacsystem, $ilTabs;

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

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

                if ($_GET["q_id"])
                {
                        if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
                        {
                                // edit page
                                $ilTabs->addTarget("edit_page",
                                        $this->ctrl->getLinkTargetByClass("ilAssQuestionPageGUI", "edit"),
                                        array("edit", "insert", "exec_pg"),
                                        "", "", $force_active);
                        }

                        $this->addTab_QuestionPreview($ilTabs);
                }

                $force_active = false;
                if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
                {
                        $url = "";
                        if ($classname) $url = $this->ctrl->getLinkTargetByClass($classname, "editQuestion");
                        $commands = $_POST["cmd"];
                        if (is_array($commands))
                        {
                                foreach ($commands as $key => $value)
                                {
                                        if (preg_match("/^suggestrange_.*/", $key, $matches))
                                        {
                                                $force_active = true;
                                        }
                                }
                        }
                        // edit question properties
                        $ilTabs->addTarget("edit_question",
                                $url,
                                array("editQuestion", "save", "flashAddParam", "saveEdit", "originalSyncForm"),
                                $classname, "", $force_active);
                }

                // add tab for question feedback within common class assQuestionGUI
                $this->addTab_QuestionFeedback($ilTabs);

                // add tab for question hint within common class assQuestionGUI
                $this->addTab_QuestionHints($ilTabs);

                // add tab for question's suggested solution within common class assQuestionGUI
                $this->addTab_SuggestedSolution($ilTabs, $classname);

                // Assessment of questions sub menu entry
                if ($_GET["q_id"])
                {
                        $ilTabs->addTarget("statistics",
                                $this->ctrl->getLinkTargetByClass($classname, "assessment"),
                                array("assessment"),
                                $classname, "");
                }

                $this->addBackTab($ilTabs);
        }
        
        function getSpecificFeedbackOutput($active_id, $pass)
        {
                $output = "";
                return $this->object->prepareTextareaOutput($output, TRUE);
        }

        public function getAfterParticipationSuppressionQuestionPostVars()
        {
                return array();
        }

        public function getAggregatedAnswersView($relevant_answers)
        {
                // Empty implementation here since a feasible way to aggregate answer is not known.
                return ''; //print_r($relevant_answers,true);
        }
}