ILIAS Release_3_9_x_branch .rev 46835: Modules/TestQuestionPool/classes/class.assQuestionGUI.php Source File

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00001 <?php
00002  /*
00003    +----------------------------------------------------------------------------+
00004    | ILIAS open source                                                          |
00005    +----------------------------------------------------------------------------+
00006    | Copyright (c) 1998-2001 ILIAS open source, University of Cologne           |
00007    |                                                                            |
00008    | This program is free software; you can redistribute it and/or              |
00009    | modify it under the terms of the GNU General Public License                |
00010    | as published by the Free Software Foundation; either version 2             |
00011    | of the License, or (at your option) any later version.                     |
00012    |                                                                            |
00013    | This program is distributed in the hope that it will be useful,            |
00014    | but WITHOUT ANY WARRANTY; without even the implied warranty of             |
00015    | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              |
00016    | GNU General Public License for more details.                               |
00017    |                                                                            |
00018    | You should have received a copy of the GNU General Public License          |
00019    | along with this program; if not, write to the Free Software                |
00020    | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
00021    +----------------------------------------------------------------------------+
00022 */
00023 
00024 include_once "./Modules/Test/classes/inc.AssessmentConstants.php";
00025 
00036 class assQuestionGUI
00037 {
00045         var $object;
00046 
00047         var $tpl;
00048         var $lng;
00049         var $error;
00050         var $errormessage;
00051         
00055         var $sequence_no;
00059         var $question_count;
00060         
00068         function assQuestionGUI()
00069         {
00070                 global $lng, $tpl, $ilCtrl;
00071 
00072 
00073                 $this->lng =& $lng;
00074                 $this->tpl =& $tpl;
00075                 $this->ctrl =& $ilCtrl;
00076                 $this->ctrl->saveParameter($this, "q_id");
00077 
00078                 include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
00079                 $this->errormessage = $this->lng->txt("fill_out_all_required_fields");
00080                 $this->object = new assQuestion();
00081         }
00082 
00086         function &executeCommand()
00087         {
00088                 $cmd = $this->ctrl->getCmd("editQuestion");
00089                 $next_class = $this->ctrl->getNextClass($this);
00090 
00091                 $cmd = $this->getCommand($cmd);
00092 
00093                 switch($next_class)
00094                 {
00095                         default:
00096                                 $ret =& $this->$cmd();
00097                                 break;
00098                 }
00099                 return $ret;
00100         }
00101 
00102         function getCommand($cmd)
00103         {
00104                 return $cmd;
00105         }
00106 
00110         function getType()
00111         {
00112                 return $this->getQuestionType();
00113         }
00114 
00122         function outOtherQuestionData()
00123         {
00124                 $est_working_time = $this->object->getEstimatedWorkingTime();
00125                 $this->tpl->setVariable("TEXT_WORKING_TIME", $this->lng->txt("working_time"));
00126                 $this->tpl->setVariable("TIME_FORMAT", $this->lng->txt("time_format"));
00127                 $this->tpl->setVariable("VALUE_WORKING_TIME", ilUtil::makeTimeSelect("Estimated", false, $est_working_time[h], $est_working_time[m], $est_working_time[s]));
00128         }
00129 
00138         function writePostData()
00139         {
00140         }
00141 
00145         function assessment()
00146         {
00147                 $this->tpl->addBlockFile("CONTENT", "content", "tpl.il_as_qpl_content.html", "Modules/TestQuestionPool");
00148                 $this->tpl->addBlockFile("STATUSLINE", "statusline", "tpl.statusline.html");
00149 
00150                 // catch feedback message
00151                 ilUtil::sendInfo();
00152 
00153                 $total_of_answers = $this->object->getTotalAnswers();
00154                 $counter = 0;
00155                 $color_class = array("tblrow1", "tblrow2");
00156                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.il_as_qpl_assessment_of_questions.html", "Modules/TestQuestionPool");
00157                 if (!$total_of_answers)
00158                 {
00159                         $this->tpl->setCurrentBlock("emptyrow");
00160                         $this->tpl->setVariable("TXT_NO_ASSESSMENT", $this->lng->txt("qpl_assessment_no_assessment_of_questions"));
00161                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00162                         $this->tpl->parseCurrentBlock();
00163                 }
00164                 else
00165                 {
00166                         $this->tpl->setCurrentBlock("row");
00167                         $this->tpl->setVariable("TXT_RESULT", $this->lng->txt("qpl_assessment_total_of_answers"));
00168                         $this->tpl->setVariable("TXT_VALUE", $total_of_answers);
00169                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00170                         $counter++;
00171                         $this->tpl->parseCurrentBlock();
00172                         $this->tpl->setCurrentBlock("row");
00173                         $this->tpl->setVariable("TXT_RESULT", $this->lng->txt("qpl_assessment_total_of_right_answers"));
00174                         $this->tpl->setVariable("TXT_VALUE", sprintf("%2.2f", $this->object->_getTotalRightAnswers($_GET["q_id"]) * 100.0) . " %");
00175                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00176                         $this->tpl->parseCurrentBlock();
00177                 }
00178 
00179                 $instances =& $this->object->getInstances();
00180                 $counter = 0;
00181                 foreach ($instances as $instance)
00182                 {
00183                         if (is_array($instance["refs"]))
00184                         {
00185                                 foreach ($instance["refs"] as $ref_id)
00186                                 {
00187                                         $this->tpl->setCurrentBlock("references");
00188                                         $this->tpl->setVariable("GOTO", "./goto.php?target=tst_" . $ref_id);
00189                                         $this->tpl->setVariable("TEXT_GOTO", $this->lng->txt("perma_link"));
00190                                         $this->tpl->parseCurrentBlock();
00191                                 }
00192                         }
00193                         $this->tpl->setCurrentBlock("instance_row");
00194                         $this->tpl->setVariable("TEST_TITLE", $instance["title"]);
00195                         $this->tpl->setVariable("TEST_AUTHOR", $instance["author"]);
00196                         $this->tpl->setVariable("QUESTION_ID", $instance["question_id"]);
00197                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00198                         $counter++;
00199                         $this->tpl->parseCurrentBlock();
00200                 }
00201                 $this->tpl->setCurrentBlock("instances");
00202                 $this->tpl->setVariable("TEXT_TEST_TITLE", $this->lng->txt("title"));
00203                 $this->tpl->setVariable("TEXT_TEST_AUTHOR", $this->lng->txt("author"));
00204                 $this->tpl->setVariable("TEXT_TEST_LOCATION", $this->lng->txt("location"));
00205                 $this->tpl->setVariable("INSTANCES_TITLE", $this->lng->txt("question_instances_title"));
00206                 $this->tpl->parseCurrentBlock();
00207 
00208                 $this->tpl->setCurrentBlock("adm_content");
00209                 $this->tpl->setVariable("TXT_QUESTION_TITLE", $this->lng->txt("question_cumulated_statistics"));
00210                 $this->tpl->setVariable("TXT_RESULT", $this->lng->txt("result"));
00211                 $this->tpl->setVariable("TXT_VALUE", $this->lng->txt("value"));
00212                 $this->tpl->parseCurrentBlock();
00213         }
00214 
00215 
00224         function writeOtherPostData($result = 0)
00225         {
00226                 $this->object->setEstimatedWorkingTime(
00227                         ilUtil::stripSlashes($_POST["Estimated"][h]),
00228                         ilUtil::stripSlashes($_POST["Estimated"][m]),
00229                         ilUtil::stripSlashes($_POST["Estimated"][s])
00230                 );
00231 
00232                 $saved = false;
00233                 return $saved;
00234         }
00235 
00247         function &_getQuestionGUI($question_type, $question_id = -1)
00248         {
00249                 include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
00250                 if ((!$question_type) and ($question_id > 0))
00251                 {
00252                         $question_type = assQuestion::getQuestionTypeFromDb($question_id);
00253                 }
00254                 if (strlen($question_type) == 0) return NULL;
00255                 include_once "./Modules/TestQuestionPool/classes/class.".$question_type."GUI.php";
00256                 $question_type_gui = $question_type . "GUI";
00257                 $question =& new $question_type_gui();
00258                 if ($question_id > 0)
00259                 {
00260                         $question->object->loadFromDb($question_id);
00261                 }
00262                 return $question;
00263         }
00264 
00265         function _getGUIClassNameForId($a_q_id)
00266         {
00267                 include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
00268                 include_once "./Modules/TestQuestionPool/classes/class.assQuestionGUI.php";
00269                 $q_type =  assQuestion::getQuestionTypeFromDb($a_q_id);
00270                 $class_name = assQuestionGUI::_getClassNameForQType($q_type);
00271                 return $class_name;
00272         }
00273 
00274         function _getClassNameForQType($q_type)
00275         {
00276                 return $q_type . "GUI";
00277         }
00278 
00289         function &createQuestionGUI($question_type, $question_id = -1)
00290         {
00291                 include_once "./Modules/TestQuestionPool/classes/class.assQuestionGUI.php";
00292                 $this->question =& assQuestionGUI::_getQuestionGUI($question_type, $question_id);
00293         }
00294 
00298         function getQuestionTemplate()
00299         {
00300                 $this->tpl->addBlockFile("CONTENT", "content", "tpl.il_as_qpl_content.html", "Modules/TestQuestionPool");
00301                 $this->tpl->addBlockFile("STATUSLINE", "statusline", "tpl.statusline.html");
00302                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.il_as_question.html", "Modules/TestQuestionPool");
00303         }
00304 
00313         function getILIASPage()
00314         {
00315                 include_once("./Services/COPage/classes/class.ilPageObject.php");
00316                 include_once("./Services/COPage/classes/class.ilPageObjectGUI.php");
00317                 $page =& new ilPageObject("qpl", $this->object->getId());
00318                 $page_gui =& new ilPageObjectGUI($page);
00319                 $page_gui->setTemplateTargetVar($a_temp_var);
00320                 $page_gui->setEnabledInternalLinks(false);
00321                 $page_gui->setFileDownloadLink("ilias.php?baseClass=ilObjTestGUI&cmd=downloadFile".
00322                         "&amp;ref_id=".$_GET["ref_id"]);
00323                 $page_gui->setFullscreenLink("ilias.php?baseClass=ilObjTestGUI&cmd=fullscreen".
00324                         "&amp;ref_id=".$_GET["ref_id"]);
00325                 $page_gui->setSourcecodeDownloadScript("ilias.php?baseClass=ilObjTestGUI&ref_id=".$_GET["ref_id"]);
00326                 $page_gui->setOutputMode("presentation");
00327                 $page_gui->setPresentationTitle("");
00328                 $presentation = $page_gui->presentation();
00329                 // bugfix for non XHTML conform img tags in ILIAS Learning Module Editor
00330                 $presentation = preg_replace("/((<img[^>]*?[^\\/])>)/ims", "\\2 />", $presentation);
00331                 $presentation = preg_replace("/src=\".\\//ims", "src=\"" . ILIAS_HTTP_PATH . "/", $presentation);
00332                 return $presentation;
00333         }
00334 
00338         function outQuestionPage($a_temp_var, $a_postponed = false, $active_id = "")
00339         {
00340                 $postponed = "";
00341                 if ($a_postponed)
00342                 {
00343                         $postponed = " (" . $this->lng->txt("postponed") . ")";
00344                 }
00345 
00346                 include_once("./Services/COPage/classes/class.ilPageObject.php");
00347                 include_once("./Services/COPage/classes/class.ilPageObjectGUI.php");
00348                 $this->lng->loadLanguageModule("content");
00349                 $page =& new ilPageObject("qpl", $this->object->getId());
00350                 $page_gui =& new ilPageObjectGUI($page);
00351                 $page_gui->setTemplateTargetVar($a_temp_var);
00352                 $page_gui->setFileDownloadLink("ilias.php?baseClass=ilObjTestGUI&cmd=downloadFile".
00353                         "&amp;ref_id=".$_GET["ref_id"]);
00354                 $page_gui->setFullscreenLink("ilias.php?baseClass=ilObjTestGUI&cmd=fullscreen".
00355                         "&amp;ref_id=".$_GET["ref_id"]);
00356                 $page_gui->setSourcecodeDownloadScript("ilias.php?baseClass=ilObjTestGUI&ref_id=".$_GET["ref_id"]);
00357                 $page_gui->setOutputMode("presentation");
00358 
00359                 include_once "./Modules/Test/classes/class.ilObjTest.php";
00360                 $title_output = ilObjTest::_getTitleOutput($active_id);
00361                 switch ($title_output)
00362                 {
00363                         case 1:
00364                                 $page_gui->setPresentationTitle(sprintf($this->lng->txt("tst_position"), $this->getSequenceNumber(), $this->getQuestionCount())." - ".$this->object->getTitle().$postponed);
00365                                 break;
00366                         case 2:
00367                                 $page_gui->setPresentationTitle(sprintf($this->lng->txt("tst_position"), $this->getSequenceNumber(), $this->getQuestionCount()).$postponed);
00368                                 break;
00369                         case 0:
00370                         default:
00371                                 $maxpoints = $this->object->getMaximumPoints();
00372                                 if ($maxpoints == 1)
00373                                 {
00374                                         $maxpoints = " (".$maxpoints." ".$this->lng->txt("point").")";
00375                                 }
00376                                 else
00377                                 {
00378                                         $maxpoints = " (".$maxpoints." ".$this->lng->txt("points").")";
00379                                 }
00380                                 $page_gui->setPresentationTitle(sprintf($this->lng->txt("tst_position"), $this->getSequenceNumber(), $this->getQuestionCount())." - ".$this->object->getTitle().$postponed.$maxpoints);
00381                                 break;
00382                 }
00383                 $presentation = $page_gui->presentation();
00384                 if (strlen($maxpoints)) $presentation = str_replace($maxpoints, "<em>$maxpoints</em>", $presentation);
00385                 // bugfix for non XHTML conform img tags in ILIAS Learning Module Editor
00386                 $presentation = preg_replace("/((<img[^>]*?[^\\/])>)/ims", "\\2 />", $presentation);
00387                 $presentation = preg_replace("/src=\".\\//ims", "src=\"" . ILIAS_HTTP_PATH . "/", $presentation);
00388                 return $presentation;
00389         }
00390         
00394         function cancel()
00395         {
00396                 if ($_GET["calling_test"])
00397                 {
00398                         $_GET["ref_id"] = $_GET["calling_test"];
00399                         ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=".$_GET["calling_test"]);
00400                 }
00401                 elseif ($_GET["test_ref_id"])
00402                 {
00403                         $_GET["ref_id"] = $_GET["test_ref_id"];
00404                         ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=".$_GET["test_ref_id"]);
00405                 }
00406                 else
00407                 {
00408                         if ($_GET["q_id"] > 0)
00409                         {
00410                                 $this->ctrl->setParameterByClass("ilpageobjectgui", "q_id", $_GET["q_id"]);
00411                                 $this->ctrl->redirectByClass("ilpageobjectgui", "view");
00412                         }
00413                         else
00414                         {
00415                                 $this->ctrl->redirectByClass("ilobjquestionpoolgui", "questions");
00416                         }
00417                 }
00418         }
00419 
00420         function originalSyncForm($return_to = "")
00421         {
00422                 if (strlen($return_to))
00423                 {
00424                         $this->ctrl->setParameter($this, "return_to", $return_to);
00425                 }
00426                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.il_as_qpl_sync_original.html", "Modules/TestQuestionPool");
00427                 $this->tpl->setCurrentBlock("adm_content");
00428                 $this->tpl->setVariable("BUTTON_YES", $this->lng->txt("yes"));
00429                 $this->tpl->setVariable("BUTTON_NO", $this->lng->txt("no"));
00430                 $this->tpl->setVariable("FORM_ACTION", $this->ctrl->getFormAction($this));
00431                 $this->tpl->setVariable("TEXT_SYNC", $this->lng->txt("confirm_sync_questions"));
00432                 $this->tpl->parseCurrentBlock();
00433         }
00434         
00435         function sync()
00436         {
00437                 $original_id = $this->object->original_id;
00438                 if ($original_id)
00439                 {
00440                         $this->object->syncWithOriginal();
00441                 }
00442                 if (strlen($_GET["return_to"]))
00443                 {
00444                         $this->ctrl->redirect($this, $_GET["return_to"]);
00445                 }
00446                 else
00447                 {
00448                         $_GET["ref_id"] = $_GET["calling_test"];
00449                         ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=".$_GET["calling_test"]);
00450                 }
00451         }
00452 
00453         function cancelSync()
00454         {
00455                 if (strlen($_GET["return_to"]))
00456                 {
00457                         $this->ctrl->redirect($this, $_GET["return_to"]);
00458                 }
00459                 else
00460                 {
00461                         $_GET["ref_id"] = $_GET["calling_test"];
00462                         ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=".$_GET["calling_test"]);
00463                 }
00464         }
00465                 
00473         function saveFeedback()
00474         {
00475                 global $ilUser;
00476                 
00477                 $originalexists = $this->object->_questionExists($this->object->original_id);
00478                 include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
00479                 if ($_GET["calling_test"] && $originalexists && assQuestion::_isWriteable($this->object->original_id, $ilUser->getId()))
00480                 {
00481                         $this->originalSyncForm("feedback");
00482                 }
00483                 else
00484                 {
00485                         $this->feedback();
00486                 }
00487         }
00488         
00492         function saveEdit()
00493         {
00494                 global $ilUser;
00495 
00496                 $result = $this->writePostData();
00497                 if ($result == 0)
00498                 {
00499                         $ilUser->setPref("tst_lastquestiontype", $this->object->getQuestionType());
00500                         $ilUser->writePref("tst_lastquestiontype", $this->object->getQuestionType());
00501                         $this->object->saveToDb();
00502                         $originalexists = $this->object->_questionExists($this->object->original_id);
00503                         include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
00504                         if ($_GET["calling_test"] && $originalexists && assQuestion::_isWriteable($this->object->original_id, $ilUser->getId()))
00505                         {
00506                                 $this->originalSyncForm();
00507                         }
00508                         elseif ($_GET["calling_test"])
00509                         {
00510                                 $_GET["ref_id"] = $_GET["calling_test"];
00511                                 ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=".$_GET["calling_test"]);
00512                                 return;
00513                         }
00514                         elseif ($_GET["test_ref_id"])
00515                         {
00516                                 include_once ("./Modules/Test/classes/class.ilObjTest.php");
00517                                 $_GET["ref_id"] = $_GET["test_ref_id"];
00518                                 $test =& new ilObjTest($_GET["test_ref_id"], true);
00519                                 $test->insertQuestion($this->object->getId());
00520                                 ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=".$_GET["test_ref_id"]);
00521                         }
00522                         else
00523                         {
00524                                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00525                                 $this->editQuestion();
00526                                 if (strcmp($_SESSION["info"], "") != 0)
00527                                 {
00528                                         ilUtil::sendInfo($_SESSION["info"] . "<br />" . $this->lng->txt("msg_obj_modified"), false);
00529                                 }
00530                                 else
00531                                 {
00532                                         ilUtil::sendInfo($this->lng->txt("msg_obj_modified"), false);
00533                                 }
00534                                 $this->ctrl->setParameterByClass("ilpageobjectgui", "q_id", $this->object->getId());
00535                                 $this->ctrl->redirectByClass("ilpageobjectgui", "view");
00536                         }
00537                 }
00538                 else
00539                 {
00540       ilUtil::sendInfo($this->lng->txt("fill_out_all_required_fields"));
00541                         $this->editQuestion();
00542                 }
00543         }
00544 
00548         function save()
00549         {
00550                 global $ilUser;
00551                 $old_id = $_GET["q_id"];
00552                 $result = $this->writePostData();
00553                 if ($result == 0)
00554                 {
00555                         $ilUser->setPref("tst_lastquestiontype", $this->object->getQuestionType());
00556                         $ilUser->writePref("tst_lastquestiontype", $this->object->getQuestionType());
00557                         $this->object->saveToDb();
00558                         $originalexists = $this->object->_questionExists($this->object->original_id);
00559                         include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
00560                         if ($_GET["calling_test"] && $originalexists && assQuestion::_isWriteable($this->object->original_id, $ilUser->getId()))
00561                         {
00562                                 $this->originalSyncForm();
00563                         }
00564                         elseif ($_GET["calling_test"])
00565                         {
00566                                 $_GET["ref_id"] = $_GET["calling_test"];
00567                                 ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=".$_GET["calling_test"]);
00568                                 return;
00569                         }
00570                         elseif ($_GET["test_ref_id"])
00571                         {
00572                                 include_once ("./Modules/Test/classes/class.ilObjTest.php");
00573                                 $_GET["ref_id"] = $_GET["test_ref_id"];
00574                                 $test =& new ilObjTest($_GET["test_ref_id"], true);
00575                                 $test->insertQuestion($this->object->getId());
00576                                 ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=".$_GET["test_ref_id"]);
00577                         }
00578                         else
00579                         {
00580                                 if ($this->object->getId() !=  $old_id)
00581                                 {
00582                                         // first save
00583                                         $this->ctrl->setParameterByClass($_GET["cmdClass"], "q_id", $this->object->getId());
00584                                         $this->ctrl->setParameterByClass($_GET["cmdClass"], "sel_question_types", $_GET["sel_question_types"]);
00585                                         ilUtil::sendInfo($this->lng->txt("msg_obj_modified"), true);
00586                                         $this->ctrl->redirectByClass($_GET["cmdClass"], "editQuestion");
00587                                 }
00588                                 if (strcmp($_SESSION["info"], "") != 0)
00589                                 {
00590                                         ilUtil::sendInfo($_SESSION["info"] . "<br />" . $this->lng->txt("msg_obj_modified"), false);
00591                                 }
00592                                 else
00593                                 {
00594                                         ilUtil::sendInfo($this->lng->txt("msg_obj_modified"), false);
00595                                 }
00596                                 $this->editQuestion();
00597         //                      $this->ctrl->setParameterByClass("ilpageobjectgui", "q_id", $this->object->getId());
00598         //                      $this->ctrl->redirectByClass("ilpageobjectgui", "view");
00599                         }
00600                 }
00601                 else
00602                 {
00603       ilUtil::sendInfo($this->getErrorMessage());
00604                         $this->editQuestion();
00605                 }
00606         }
00607 
00611         function apply()
00612         {
00613                 $this->writePostData();
00614                 $this->object->saveToDb();
00615                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00616                 $this->editQuestion();
00617         }
00618         
00619         function cancelExplorer()
00620         {
00621                 unset($_SESSION["subquestion_index"]);
00622                 unset($_SESSION["link_new_type"]);
00623                 $this->editQuestion();
00624         }
00625         
00633         function addSuggestedSolution()
00634         {
00635                 global $tree;
00636 
00637                 include_once("./Modules/TestQuestionPool/classes/class.ilSolutionExplorer.php");
00638                 switch ($_POST["internalLinkType"])
00639                 {
00640                         case "lm":
00641                                 $_SESSION["link_new_type"] = "lm";
00642                                 $_SESSION["search_link_type"] = "lm";
00643                                 break;
00644                         case "glo":
00645                                 $_SESSION["link_new_type"] = "glo";
00646                                 $_SESSION["search_link_type"] = "glo";
00647                                 break;
00648                         case "st":
00649                                 $_SESSION["link_new_type"] = "lm";
00650                                 $_SESSION["search_link_type"] = "st";
00651                                 break;
00652                         case "pg":
00653                                 $_SESSION["link_new_type"] = "lm";
00654                                 $_SESSION["search_link_type"] = "pg";
00655                                 break;
00656                         default:
00657                                 if (!$_SESSION["link_new_type"])
00658                                 {
00659                                         $_SESSION["link_new_type"] = "lm";
00660                                 }
00661                                 break;
00662                 }
00663 
00664                 ilUtil::sendInfo($this->lng->txt("select_object_to_link"));
00665                 
00666                 $exp = new ilSolutionExplorer($this->ctrl->getLinkTarget($this,'addSuggestedSolution'), get_class($this));
00667 
00668                 $exp->setExpand($_GET["expand"] ? $_GET["expand"] : $tree->readRootId());
00669                 $exp->setExpandTarget($this->ctrl->getLinkTarget($this,'addSuggestedSolution'));
00670                 $exp->setTargetGet("ref_id");
00671                 $exp->setRefId($this->cur_ref_id);
00672                 $exp->addFilter($_SESSION["link_new_type"]);
00673                 $exp->setSelectableType($_SESSION["link_new_type"]);
00674 
00675                 // build html-output
00676                 $exp->setOutput(0);
00677 
00678                 $this->tpl->addBlockFile("EXPLORER", "explorer", "tpl.il_as_qpl_explorer.html", "Modules/TestQuestionPool");
00679                 $this->tpl->setVariable("EXPLORER_TREE",$exp->getOutput());
00680                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00681                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00682                 $this->tpl->parseCurrentBlock();
00683         }
00684         
00685         function removeSuggestedSolution()
00686         {
00687                 $this->object->suggested_solutions = array();
00688                 $this->object->saveToDb();
00689                 $this->editQuestion();
00690         }
00691         
00692         function addPG()
00693         {
00694                 $subquestion_index = 0;
00695                 if ($_SESSION["subquestion_index"] >= 0)
00696                 {
00697                         $subquestion_index = $_SESSION["subquestion_index"];
00698                 }
00699                 $this->object->setSuggestedSolution("il__pg_" . $_GET["pg"], $subquestion_index);
00700                 unset($_SESSION["subquestion_index"]);
00701                 unset($_SESSION["link_new_type"]);
00702                 unset($_SESSION["search_link_type"]);
00703                 ilUtil::sendInfo($this->lng->txt("suggested_solution_added_successfully"));
00704                 $this->editQuestion();
00705         }
00706         
00707         function addST()
00708         {
00709                 $subquestion_index = 0;
00710                 if ($_SESSION["subquestion_index"] >= 0)
00711                 {
00712                         $subquestion_index = $_SESSION["subquestion_index"];
00713                 }
00714                 $this->object->setSuggestedSolution("il__st_" . $_GET["st"], $subquestion_index);
00715                 unset($_SESSION["subquestion_index"]);
00716                 unset($_SESSION["link_new_type"]);
00717                 unset($_SESSION["search_link_type"]);
00718                 ilUtil::sendInfo($this->lng->txt("suggested_solution_added_successfully"));
00719                 $this->editQuestion();
00720         }
00721 
00722         function addGIT()
00723         {
00724                 $subquestion_index = 0;
00725                 if ($_SESSION["subquestion_index"] >= 0)
00726                 {
00727                         $subquestion_index = $_SESSION["subquestion_index"];
00728                 }
00729                 $this->object->setSuggestedSolution("il__git_" . $_GET["git"], $subquestion_index);
00730                 unset($_SESSION["subquestion_index"]);
00731                 unset($_SESSION["link_new_type"]);
00732                 unset($_SESSION["search_link_type"]);
00733                 ilUtil::sendInfo($this->lng->txt("suggested_solution_added_successfully"));
00734                 $this->editQuestion();
00735         }
00736         
00743         function getContextPath($cont_obj, $a_endnode_id, $a_startnode_id = 1)
00744         {
00745                 $path = "";
00746 
00747                 $tmpPath = $cont_obj->getLMTree()->getPathFull($a_endnode_id, $a_startnode_id);
00748 
00749                 // count -1, to exclude the learning module itself
00750                 for ($i = 1; $i < (count($tmpPath) - 1); $i++)
00751                 {
00752                         if ($path != "")
00753                         {
00754                                 $path .= " > ";
00755                         }
00756 
00757                         $path .= $tmpPath[$i]["title"];
00758                 }
00759 
00760                 return $path;
00761         }
00762 
00763         function linkChilds()
00764         {
00765                 switch ($_SESSION["search_link_type"])
00766                 {
00767                         case "pg":
00768                                 include_once "./Modules/LearningModule/classes/class.ilLMPageObject.php";
00769                                 include_once("./Modules/LearningModule/classes/class.ilObjContentObjectGUI.php");
00770                                 $cont_obj_gui =& new ilObjContentObjectGUI("", $_GET["source_id"], true);
00771                                 $cont_obj = $cont_obj_gui->object;
00772                                 $pages = ilLMPageObject::getPageList($cont_obj->getId());
00773                                 $shownpages = array();
00774                                 $tree = $cont_obj->getLMTree();
00775                                 $chapters = $tree->getSubtree($tree->getNodeData($tree->getRootId()));
00776                                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00777                                 $this->tpl->setVariable("HEADER", $this->object->getTitle());
00778                                 $this->getQuestionTemplate();
00779                                 $color_class = array("tblrow1", "tblrow2");
00780                                 $counter = 0;
00781                                 $this->tpl->addBlockFile("LINK_SELECTION", "link_selection", "tpl.il_as_qpl_internallink_selection.html", "Modules/TestQuestionPool");
00782                                 foreach ($chapters as $chapter)
00783                                 {
00784                                         $chapterpages = $tree->getChildsByType($chapter["obj_id"], "pg");
00785                                         foreach ($chapterpages as $page)
00786                                         {
00787                                                 if($page["type"] == $_SESSION["search_link_type"])
00788                                                 {
00789                                                         array_push($shownpages, $page["obj_id"]);
00790                                                         $this->tpl->setCurrentBlock("linktable_row");
00791                                                         $this->tpl->setVariable("TEXT_LINK", $page["title"]);
00792                                                         $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00793                                                         $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "add" . strtoupper($page["type"])) . "&" . $page["type"] . "=" . $page["obj_id"]);
00794                                                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00795                                                         if ($tree->isInTree($page["obj_id"]))
00796                                                         {
00797                                                                 $path_str = $this->getContextPath($cont_obj, $page["obj_id"]);
00798                                                         }
00799                                                         else
00800                                                         {
00801                                                                 $path_str = "---";
00802                                                         }
00803                                                         $this->tpl->setVariable("TEXT_DESCRIPTION", ilUtil::prepareFormOutput($path_str));
00804                                                         $this->tpl->parseCurrentBlock();
00805                                                         $counter++;
00806                                                 }
00807                                         }
00808                                 }
00809                                 foreach ($pages as $page)
00810                                 {
00811                                         if (!in_array($page["obj_id"], $shownpages))
00812                                         {
00813                                                 $this->tpl->setCurrentBlock("linktable_row");
00814                                                 $this->tpl->setVariable("TEXT_LINK", $page["title"]);
00815                                                 $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00816                                                 $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "add" . strtoupper($page["type"])) . "&" . $page["type"] . "=" . $page["obj_id"]);
00817                                                 $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00818                                                 $path_str = "---";
00819                                                 $this->tpl->setVariable("TEXT_DESCRIPTION", ilUtil::prepareFormOutput($path_str));
00820                                                 $this->tpl->parseCurrentBlock();
00821                                                 $counter++;
00822                                         }
00823                                 }
00824                                 $this->tpl->setCurrentBlock("link_selection");
00825                                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00826                                 $this->tpl->setVariable("TEXT_LINK_TYPE", $this->lng->txt("obj_" . $_SESSION["search_link_type"]));
00827                                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00828                                 $this->tpl->parseCurrentBlock();
00829                                 break;
00830                         case "st":
00831                                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00832                                 $this->tpl->setVariable("HEADER", $this->object->getTitle());
00833                                 $this->getQuestionTemplate();
00834                                 $color_class = array("tblrow1", "tblrow2");
00835                                 $counter = 0;
00836                                 include_once("./Modules/LearningModule/classes/class.ilObjContentObjectGUI.php");
00837                                 $cont_obj_gui =& new ilObjContentObjectGUI("", $_GET["source_id"], true);
00838                                 $cont_obj = $cont_obj_gui->object;
00839                                 // get all chapters
00840                                 $ctree =& $cont_obj->getLMTree();
00841                                 $nodes = $ctree->getSubtree($ctree->getNodeData($ctree->getRootId()));
00842                                 $this->tpl->addBlockFile("LINK_SELECTION", "link_selection", "tpl.il_as_qpl_internallink_selection.html", "Modules/TestQuestionPool");
00843                                 foreach($nodes as $node)
00844                                 {
00845                                         if($node["type"] == $_SESSION["search_link_type"])
00846                                         {
00847                                                 $this->tpl->setCurrentBlock("linktable_row");
00848                                                 $this->tpl->setVariable("TEXT_LINK", $node["title"]);
00849                                                 $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00850                                                 $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "add" . strtoupper($node["type"])) . "&" . $node["type"] . "=" . $node["obj_id"]);
00851                                                 $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00852                                                 $this->tpl->parseCurrentBlock();
00853                                                 $counter++;
00854                                         }
00855                                 }
00856                                 $this->tpl->setCurrentBlock("link_selection");
00857                                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00858                                 $this->tpl->setVariable("TEXT_LINK_TYPE", $this->lng->txt("obj_" . $_SESSION["search_link_type"]));
00859                                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00860                                 $this->tpl->parseCurrentBlock();
00861                                 break;
00862                         case "glo":
00863                                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00864                                 $this->tpl->setVariable("HEADER", $this->object->getTitle());
00865                                 $this->getQuestionTemplate();
00866                                 $color_class = array("tblrow1", "tblrow2");
00867                                 $counter = 0;
00868                                 $this->tpl->addBlockFile("LINK_SELECTION", "link_selection", "tpl.il_as_qpl_internallink_selection.html", "Modules/TestQuestionPool");
00869                                 include_once "./Modules/Glossary/classes/class.ilObjGlossary.php";
00870                                 $glossary =& new ilObjGlossary($_GET["source_id"], true);
00871                                 // get all glossary items
00872                                 $terms = $glossary->getTermList();
00873                                 foreach($terms as $term)
00874                                 {
00875                                         $this->tpl->setCurrentBlock("linktable_row");
00876                                         $this->tpl->setVariable("TEXT_LINK", $term["term"]);
00877                                         $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00878                                         $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "addGIT") . "&git=" . $term["id"]);
00879                                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00880                                         $this->tpl->parseCurrentBlock();
00881                                         $counter++;
00882                                 }
00883                                 $this->tpl->setCurrentBlock("link_selection");
00884                                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00885                                 $this->tpl->setVariable("TEXT_LINK_TYPE", $this->lng->txt("glossary_term"));
00886                                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00887                                 $this->tpl->parseCurrentBlock();
00888                                 break;
00889                         case "lm":
00890                                 $subquestion_index = 0;
00891                                 if ($_SESSION["subquestion_index"] >= 0)
00892                                 {
00893                                         $subquestion_index = $_SESSION["subquestion_index"];
00894                                 }
00895                                 $this->object->setSuggestedSolution("il__lm_" . $_GET["source_id"], $subquestion_index);
00896                                 unset($_SESSION["subquestion_index"]);
00897                                 unset($_SESSION["link_new_type"]);
00898                                 unset($_SESSION["search_link_type"]);
00899                                 ilUtil::sendInfo($this->lng->txt("suggested_solution_added_successfully"));
00900                                 $this->editQuestion();
00901                                 break;
00902                 }
00903         }
00904         
00905         function setSequenceNumber($nr) 
00906         {
00907                 $this->sequence_no = $nr;
00908         }
00909         
00910         function getSequenceNumber() 
00911         {
00912                 return $this->sequence_no;
00913         }
00914         
00915         function setQuestionCount($a_question_count)
00916         {
00917                 $this->question_count = $a_question_count;
00918         }
00919         
00920         function getQuestionCount()
00921         {
00922                 return $this->question_count;
00923         }
00924         
00925         function getErrorMessage()
00926         {
00927                 return $this->errormessage;
00928         }
00929         
00930         function setErrorMessage($errormessage)
00931         {
00932                 $this->errormessage = $errormessage;
00933         }
00934         
00935         function outAdditionalOutput()
00936         {
00937         }
00938 
00947         function getQuestionType()
00948         {
00949                 return $this->object->getQuestionType();
00950         }
00951 
00962         function getAnswerFeedbackOutput($active_id, $pass)
00963         {
00964                 $output = "";
00965                 include_once "./Modules/Test/classes/class.ilObjTest.php";
00966                 $manual_feedback = ilObjTest::getManualFeedback($active_id, $this->object->getId(), $pass);
00967                 if (strlen($manual_feedback))
00968                 {
00969                         return $manual_feedback;
00970                 }
00971                 $correct_feedback = $this->object->getFeedbackGeneric(1);
00972                 $incorrect_feedback = $this->object->getFeedbackGeneric(0);
00973                 if (strlen($correct_feedback.$incorrect_feedback))
00974                 {
00975                         $reached_points = $this->object->calculateReachedPoints($active_id);
00976                         $max_points = $this->object->getMaximumPoints();
00977                         if ($reached_points == $max_points)
00978                         {
00979                                 $output = $correct_feedback;
00980                         }
00981                         else
00982                         {
00983                                 $output = $incorrect_feedback;
00984                         }
00985                 }
00986                 return $this->object->prepareTextareaOutput($output, TRUE);
00987         }
00988 
00996         function feedback()
00997         {
00998                 // overwrite in parent classes
00999         }
01000 }
01001 ?>