ILIAS Release_3_5_x_branch .rev 46805: assessment/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 require_once "./assessment/classes/class.assQuestion.php";
00025 
00037 class ASS_QuestionGUI
00038 {
00046         var $object;
00047 
00048         var $tpl;
00049         var $lng;
00050         var $error;
00051         
00056         var $sequence_no;
00064         function ASS_QuestionGUI()
00065         {
00066                 global $lng, $tpl, $ilCtrl;
00067 
00068 
00069                 $this->lng =& $lng;
00070                 $this->tpl =& $tpl;
00071                 $this->ctrl =& $ilCtrl;
00072                 $this->ctrl->saveParameter($this, "q_id");
00073 
00074                 $this->object = new ASS_Question();
00075         }
00076 
00080         function &executeCommand()
00081         {
00082                 $cmd = $this->ctrl->getCmd("editQuestion");
00083                 $next_class = $this->ctrl->getNextClass($this);
00084 
00085                 $cmd = $this->getCommand($cmd);
00086 
00087                 switch($next_class)
00088                 {
00089                         default:
00090                                 $ret =& $this->$cmd();
00091                                 break;
00092                 }
00093                 return $ret;
00094         }
00095 
00096         function getCommand($cmd)
00097         {
00098                 return $cmd;
00099         }
00100 
00101 
00110         function getQuestionType()
00111         {
00112                 return "";
00113         }
00114 
00118         function getType()
00119         {
00120                 return $this->getQuestionType();
00121         }
00122 
00130         function outOtherQuestionData()
00131         {
00132         }
00133 
00142         function writePostData()
00143         {
00144         }
00145 
00153         function outWorkingForm($test_id = "", $is_postponed = false)
00154         {
00155         }
00156 
00160         function assessment()
00161         {
00162                 $this->tpl->addBlockFile("CONTENT", "content", "tpl.il_as_qpl_content.html", true);
00163                 $this->tpl->addBlockFile("STATUSLINE", "statusline", "tpl.statusline.html");
00164 
00165                 // catch feedback message
00166                 sendInfo();
00167 
00168                 //$this->setLocator();
00169 
00170                 $title = $this->lng->txt("qpl_assessment_of_questions");
00171                 if (!empty($title))
00172                 {
00173                         $this->tpl->setVariable("HEADER", $title);
00174                 }
00175                 //$question =& $this->object->createQuestion("", $_GET["edit"]);
00176                 $total_of_answers = $this->object->getTotalAnswers();
00177                 $counter = 0;
00178                 $color_class = array("tblrow1", "tblrow2");
00179                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.il_as_qpl_assessment_of_questions.html", true);
00180                 if (!$total_of_answers)
00181                 {
00182                         $this->tpl->setCurrentBlock("emptyrow");
00183                         $this->tpl->setVariable("TXT_NO_ASSESSMENT", $this->lng->txt("qpl_assessment_no_assessment_of_questions"));
00184                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00185                         $this->tpl->parseCurrentBlock();
00186                 }
00187                 else
00188                 {
00189                         $this->tpl->setCurrentBlock("row");
00190                         $this->tpl->setVariable("TXT_RESULT", $this->lng->txt("qpl_assessment_total_of_answers"));
00191                         $this->tpl->setVariable("TXT_VALUE", $total_of_answers);
00192                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00193                         $counter++;
00194                         $this->tpl->parseCurrentBlock();
00195                         $this->tpl->setCurrentBlock("row");
00196                         $this->tpl->setVariable("TXT_RESULT", $this->lng->txt("qpl_assessment_total_of_right_answers"));
00197                         $this->tpl->setVariable("TXT_VALUE", sprintf("%2.2f", $this->object->_getTotalRightAnswers($_GET["q_id"]) * 100.0) . " %");
00198                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00199                         $this->tpl->parseCurrentBlock();
00200                 }
00201                 $this->tpl->setCurrentBlock("adm_content");
00202                 $this->tpl->setVariable("TXT_QUESTION_TITLE", $this->object->getTitle());
00203                 $this->tpl->setVariable("TXT_RESULT", $this->lng->txt("result"));
00204                 $this->tpl->setVariable("TXT_VALUE", $this->lng->txt("value"));
00205                 $this->tpl->parseCurrentBlock();
00206         }
00207 
00208 
00217         function writeOtherPostData($result = 0)
00218         {
00219                 $this->object->setEstimatedWorkingTime(
00220                         ilUtil::stripSlashes($_POST["Estimated"][h]),
00221                         ilUtil::stripSlashes($_POST["Estimated"][m]),
00222                         ilUtil::stripSlashes($_POST["Estimated"][s])
00223                 );
00224 
00225                 $saved = false;
00226                 return $saved;
00227         }
00228 
00240         function &_getQuestionGUI($question_type, $question_id = -1)
00241         {
00242                 if ((!$question_type) and ($question_id > 0))
00243                 {
00244                         $question_type = ASS_Question::getQuestionTypeFromDb($question_id);
00245 // echo ":".$question_type;
00246                 }
00247                 switch ($question_type)
00248                 {
00249                         case "qt_multiple_choice_sr":
00250                                 $question =& new ASS_MultipleChoiceGUI();
00251                                 $question->object->set_response(RESPONSE_SINGLE);
00252                                 break;
00253 
00254                         case "qt_multiple_choice_mr":
00255                                 $question =& new ASS_MultipleChoiceGUI();
00256                                 $question->object->set_response(RESPONSE_MULTIPLE);
00257                                 break;
00258 
00259                         case "qt_cloze":
00260                                 $question =& new ASS_ClozeTestGUI();
00261                                 break;
00262 
00263                         case "qt_matching":
00264                                 $question =& new ASS_MatchingQuestionGUI();
00265                                 break;
00266 
00267                         case "qt_ordering":
00268                                 $question =& new ASS_OrderingQuestionGUI();
00269                                 break;
00270 
00271                         case "qt_imagemap":
00272                                 $question =& new ASS_ImagemapQuestionGUI();
00273                                 break;
00274 
00275                         case "qt_javaapplet":
00276                                 $question =& new ASS_JavaAppletGUI();
00277                                 break;
00278                         case "qt_text":
00279                                 $question =& new ASS_TextQuestionGUI();
00280                                 break;
00281                 }
00282                 if ($question_id > 0)
00283                 {
00284                         $question->object->loadFromDb($question_id);
00285                 }
00286 
00287                 return $question;
00288         }
00289 
00290         function _getGUIClassNameForId($a_q_id)
00291         {
00292                 $q_type =  ASS_Question::getQuestionTypeFromDb($a_q_id);
00293                 $class_name = ASS_QuestionGUI::_getClassNameForQType($q_type);
00294                 return $class_name;
00295         }
00296 
00297         function _getClassNameForQType($q_type)
00298         {
00299                 switch ($q_type)
00300                 {
00301                         case "qt_multiple_choice_sr":
00302                                 return "ASS_MultipleChoiceGUI";
00303                                 break;
00304 
00305                         case "qt_multiple_choice_mr":
00306                                 return "ASS_MultipleChoiceGUI";
00307                                 break;
00308 
00309                         case "qt_cloze":
00310                                 return "ASS_ClozeTestGUI";
00311                                 break;
00312 
00313                         case "qt_matching":
00314                                 return "ASS_MatchingQuestionGUI";
00315                                 break;
00316 
00317                         case "qt_ordering":
00318                                 return "ASS_OrderingQuestionGUI";
00319                                 break;
00320 
00321                         case "qt_imagemap":
00322                                 return "ASS_ImagemapQuestionGUI";
00323                                 break;
00324 
00325                         case "qt_javaapplet":
00326                                 return "ASS_JavaAppletGUI";
00327                                 break;
00328 
00329                         case "qt_text":
00330                                 return "ASS_TextQuestionGUI";
00331                                 break;
00332                 }
00333 
00334         }
00335 
00346         function &createQuestionGUI($question_type, $question_id = -1)
00347         {
00348                 $this->question =& ASS_QuestionGUI::_getQuestionGUI($question_type, $question_id);
00349         }
00350 
00354         function getQuestionTemplate($q_type)
00355         {
00356                 $this->tpl->addBlockFile("CONTENT", "content", "tpl.il_as_qpl_content.html", true);
00357                 $this->tpl->addBlockFile("STATUSLINE", "statusline", "tpl.statusline.html");
00358                 // set screen title (Edit/Create Question)
00359                 if ($this->object->id > 0)
00360                 {
00361                         $title = $this->lng->txt("edit") . " " . $this->lng->txt($q_type);
00362                 }
00363                 else
00364                 {
00365                         $title = $this->lng->txt("create_new") . " " . $this->lng->txt($q_type);
00366                         $this->tpl->setVariable("HEADER", $title);
00367                 }
00368                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.il_as_question.html", true);
00369         }
00370 
00374         function outQuestionPage($a_temp_var, $a_postponed = false, $test_id = "")
00375         {
00376                 $postponed = "";
00377                 if ($a_postponed)
00378                 {
00379                         $postponed = " (" . $this->lng->txt("postponed") . ")";
00380                 }
00381 
00382                 include_once("content/classes/Pages/class.ilPageObjectGUI.php");
00383                 $this->lng->loadLanguageModule("content");
00384                 $page =& new ilPageObject("qpl", $this->object->getId());
00385                 $page_gui =& new ilPageObjectGUI($page);
00386                 $page_gui->setQuestionXML($this->object->to_xml(false, false, true, $test_id));
00387                 $page_gui->setTemplateTargetVar($a_temp_var);
00388                 $page_gui->setFileDownloadLink("test.php?cmd=downloadFile".
00389                         "&amp;ref_id=".$_GET["ref_id"]);
00390                 $page_gui->setFullscreenLink("test.php?cmd=fullscreen".
00391                         "&amp;ref_id=".$_GET["ref_id"]);
00392                 $page_gui->setSourcecodeDownloadScript("test.php?ref_id=".$_GET["ref_id"]);
00393                 $page_gui->setOutputMode("presentation");
00394                 //$page_gui->setHeader($this->object->getTitle());
00395                 if (!$a_postponed && is_numeric($this->sequence_no))
00396                         $page_gui->setPresentationTitle($this->lng->txt("question")." ".$this->sequence_no." - ".$this->object->getTitle().$postponed." (".$this->object->getMaximumPoints()." ".$this->lng->txt("points").")");
00397                 else 
00398                         $page_gui->setPresentationTitle($this->object->getTitle().$postponed." (".$this->object->getMaximumPoints()." ".$this->lng->txt("points").")");
00399                 return $page_gui->presentation();
00400         }
00401         
00405         function cancel()
00406         {
00407                 if ($_GET["calling_test"])
00408                 {
00409                         $_GET["ref_id"] = $_GET["calling_test"];
00410                         ilUtil::redirect("test.php?cmd=questions&ref_id=".$_GET["calling_test"]);
00411                 }
00412                 elseif ($_GET["test_ref_id"])
00413                 {
00414                         $_GET["ref_id"] = $_GET["test_ref_id"];
00415                         ilUtil::redirect("test.php?cmd=questions&ref_id=".$_GET["test_ref_id"]);
00416                 }
00417                 else
00418                 {
00419                         if ($_GET["q_id"] > 0)
00420                         {
00421                                 $this->ctrl->setParameterByClass("ilpageobjectgui", "q_id", $_GET["q_id"]);
00422                                 $this->ctrl->redirectByClass("ilpageobjectgui", "view");
00423                         }
00424                         else
00425                         {
00426                                 $this->ctrl->redirectByClass("ilobjquestionpoolgui", "questions");
00427                         }
00428                 }
00429         }
00430 
00431         function originalSyncForm()
00432         {
00433                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.il_tst_sync_original.html", true);
00434                 $this->tpl->setCurrentBlock("adm_content");
00435                 $this->tpl->setVariable("BUTTON_YES", $this->lng->txt("yes"));
00436                 $this->tpl->setVariable("BUTTON_NO", $this->lng->txt("no"));
00437                 $this->tpl->setVariable("FORM_ACTION", $this->ctrl->getFormAction($this));
00438                 $this->tpl->setVariable("TEXT_SYNC", $this->lng->txt("confirm_sync_questions"));
00439                 $this->tpl->parseCurrentBlock();
00440         }
00441         
00442         function sync()
00443         {
00444                 $original_id = $this->object->original_id;
00445                 if ($original_id)
00446                 {
00447                         $this->object->syncWithOriginal();
00448                 }
00449                 $_GET["ref_id"] = $_GET["calling_test"];
00450                 ilUtil::redirect("test.php?cmd=questions&ref_id=".$_GET["calling_test"]);
00451         }
00452 
00453         function cancelSync()
00454         {
00455                 $_GET["ref_id"] = $_GET["calling_test"];
00456                 ilUtil::redirect("test.php?cmd=questions&ref_id=".$_GET["calling_test"]);
00457         }
00458                 
00462         function saveEdit()
00463         {
00464                 global $ilUser;
00465                 $result = $this->writePostData();
00466                 if ($result == 0)
00467                 {
00468                         $this->object->saveToDb();
00469                         $originalexists = $this->object->_questionExists($this->object->original_id);
00470                         if ($_GET["calling_test"] && $originalexists && ASS_Question::_isWriteable($this->object->original_id, $ilUser->getId()))
00471                         {
00472                                 $this->originalSyncForm();
00473                         }
00474                         elseif ($_GET["calling_test"])
00475                         {
00476                                 $_GET["ref_id"] = $_GET["calling_test"];
00477                                 ilUtil::redirect("test.php?cmd=questions&ref_id=".$_GET["calling_test"]);
00478                                 return;
00479                         }
00480                         elseif ($_GET["test_ref_id"])
00481                         {
00482                                 require_once ("assessment/classes/class.ilObjTest.php");
00483                                 $_GET["ref_id"] = $_GET["test_ref_id"];
00484                                 $test =& new ilObjTest($_GET["test_ref_id"], true);
00485                                 $test->insertQuestion($this->object->getId());
00486                                 ilUtil::redirect("test.php?cmd=questions&ref_id=".$_GET["test_ref_id"]);
00487                         }
00488                         else
00489                         {
00490                                 $_GET["q_id"] = $this->object->getId();
00491                                 $this->editQuestion();
00492                                 if (strcmp($_SESSION["info"], "") != 0)
00493                                 {
00494                                         sendInfo($_SESSION["info"] . "<br />" . $this->lng->txt("msg_obj_modified"), false);
00495                                 }
00496                                 else
00497                                 {
00498                                         sendInfo($this->lng->txt("msg_obj_modified"), false);
00499                                 }
00500                                 $this->ctrl->setParameterByClass("ilpageobjectgui", "q_id", $this->object->getId());
00501                                 $this->ctrl->redirectByClass("ilpageobjectgui", "view");
00502                         }
00503                 }
00504                 else
00505                 {
00506       sendInfo($this->lng->txt("fill_out_all_required_fields"));
00507                         $this->editQuestion();
00508                 }
00509         }
00510 
00514         function save()
00515         {
00516                 global $ilUser;
00517                 $old_id = $_GET["q_id"];
00518                 $result = $this->writePostData();
00519                 if ($result == 0)
00520                 {
00521                         $this->object->saveToDb();
00522                         $originalexists = $this->object->_questionExists($this->object->original_id);
00523                         if ($_GET["calling_test"] && $originalexists && ASS_Question::_isWriteable($this->object->original_id, $ilUser->getId()))
00524                         {
00525                                 $this->originalSyncForm();
00526                         }
00527                         elseif ($_GET["calling_test"])
00528                         {
00529                                 $_GET["ref_id"] = $_GET["calling_test"];
00530                                 ilUtil::redirect("test.php?cmd=questions&ref_id=".$_GET["calling_test"]);
00531                                 return;
00532                         }
00533                         elseif ($_GET["test_ref_id"])
00534                         {
00535                                 require_once ("assessment/classes/class.ilObjTest.php");
00536                                 $_GET["ref_id"] = $_GET["test_ref_id"];
00537                                 $test =& new ilObjTest($_GET["test_ref_id"], true);
00538                                 $test->insertQuestion($this->object->getId());
00539                                 ilUtil::redirect("test.php?cmd=questions&ref_id=".$_GET["test_ref_id"]);
00540                         }
00541                         else
00542                         {
00543                                 $_GET["q_id"] = $this->object->getId();
00544                                 if ($_GET["q_id"] !=  $old_id)
00545                                 {
00546                                         // first save
00547                                         $this->ctrl->setParameterByClass($_GET["cmdClass"], "q_id", $this->object->getId());
00548                                         $this->ctrl->setParameterByClass($_GET["cmdClass"], "sel_question_types", $_GET["sel_question_types"]);
00549                                         $this->ctrl->redirectByClass($_GET["cmdClass"], "editQuestion");
00550                                 }
00551                                 $this->editQuestion();
00552                                 if (strcmp($_SESSION["info"], "") != 0)
00553                                 {
00554                                         sendInfo($_SESSION["info"] . "<br />" . $this->lng->txt("msg_obj_modified"), false);
00555                                 }
00556                                 else
00557                                 {
00558                                         sendInfo($this->lng->txt("msg_obj_modified"), false);
00559                                 }
00560         //                      $this->ctrl->setParameterByClass("ilpageobjectgui", "q_id", $this->object->getId());
00561         //                      $this->ctrl->redirectByClass("ilpageobjectgui", "view");
00562                         }
00563                 }
00564                 else
00565                 {
00566       sendInfo($this->lng->txt("fill_out_all_required_fields"));
00567                         $this->editQuestion();
00568                 }
00569         }
00570 
00574         function apply()
00575         {
00576                 $this->writePostData();
00577                 $this->object->saveToDb();
00578                 $_GET["q_id"] = $this->object->getId();
00579                 $this->editQuestion();
00580         }
00581         
00582         function cancelExplorer()
00583         {
00584                 unset($_SESSION["subquestion_index"]);
00585                 unset($_SESSION["link_new_type"]);
00586                 $this->editQuestion();
00587         }
00588         
00589         function addSuggestedSolution()
00590         {
00591                 global $tree;
00592 
00593                 require_once("./assessment/classes/class.ilSolutionExplorer.php");
00594                 switch ($_POST["internalLinkType"])
00595                 {
00596                         case "lm":
00597                                 $_SESSION["link_new_type"] = "lm";
00598                                 $_SESSION["search_link_type"] = "lm";
00599                                 break;
00600                         case "glo":
00601                                 $_SESSION["link_new_type"] = "glo";
00602                                 $_SESSION["search_link_type"] = "glo";
00603                                 break;
00604                         case "st":
00605                                 $_SESSION["link_new_type"] = "lm";
00606                                 $_SESSION["search_link_type"] = "st";
00607                                 break;
00608                         case "pg":
00609                                 $_SESSION["link_new_type"] = "lm";
00610                                 $_SESSION["search_link_type"] = "pg";
00611                                 break;
00612                         default:
00613                                 if (!$_SESSION["link_new_type"])
00614                                 {
00615                                         $_SESSION["link_new_type"] = "lm";
00616                                 }
00617                                 break;
00618                 }
00619 
00620                 sendInfo($this->lng->txt("select_object_to_link"));
00621                 
00622                 $exp = new ilSolutionExplorer($this->ctrl->getLinkTarget($this,'addSuggestedSolution'), get_class($this));
00623 
00624                 $exp->setExpand($_GET["expand"] ? $_GET["expand"] : $tree->readRootId());
00625                 $exp->setExpandTarget($this->ctrl->getLinkTarget($this,'addSuggestedSolution'));
00626                 $exp->setTargetGet("ref_id");
00627                 $exp->setRefId($this->cur_ref_id);
00628                 $exp->addFilter($_SESSION["link_new_type"]);
00629                 $exp->setSelectableType($_SESSION["link_new_type"]);
00630 
00631                 // build html-output
00632                 $exp->setOutput(0);
00633 
00634                 $this->tpl->addBlockFile("EXPLORER", "explorer", "tpl.il_as_qpl_explorer.html", true);
00635                 $this->tpl->setVariable("EXPLORER_TREE",$exp->getOutput());
00636                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00637                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00638                 $this->tpl->parseCurrentBlock();
00639         }
00640         
00641         function removeSuggestedSolution()
00642         {
00643                 $this->object->suggested_solutions = array();
00644                 $this->object->saveToDb();
00645                 $this->editQuestion();
00646         }
00647         
00648         function addPG()
00649         {
00650                 $subquestion_index = 0;
00651                 if ($_SESSION["subquestion_index"] >= 0)
00652                 {
00653                         $subquestion_index = $_SESSION["subquestion_index"];
00654                 }
00655                 $this->object->setSuggestedSolution("il__pg_" . $_GET["pg"], $subquestion_index);
00656                 unset($_SESSION["subquestion_index"]);
00657                 unset($_SESSION["link_new_type"]);
00658                 unset($_SESSION["search_link_type"]);
00659                 sendInfo($this->lng->txt("suggested_solution_added_successfully"));
00660                 $this->editQuestion();
00661         }
00662         
00663         function addST()
00664         {
00665                 $subquestion_index = 0;
00666                 if ($_SESSION["subquestion_index"] >= 0)
00667                 {
00668                         $subquestion_index = $_SESSION["subquestion_index"];
00669                 }
00670                 $this->object->setSuggestedSolution("il__st_" . $_GET["st"], $subquestion_index);
00671                 unset($_SESSION["subquestion_index"]);
00672                 unset($_SESSION["link_new_type"]);
00673                 unset($_SESSION["search_link_type"]);
00674                 sendInfo($this->lng->txt("suggested_solution_added_successfully"));
00675                 $this->editQuestion();
00676         }
00677 
00678         function addGIT()
00679         {
00680                 $subquestion_index = 0;
00681                 if ($_SESSION["subquestion_index"] >= 0)
00682                 {
00683                         $subquestion_index = $_SESSION["subquestion_index"];
00684                 }
00685                 $this->object->setSuggestedSolution("il__git_" . $_GET["git"], $subquestion_index);
00686                 unset($_SESSION["subquestion_index"]);
00687                 unset($_SESSION["link_new_type"]);
00688                 unset($_SESSION["search_link_type"]);
00689                 sendInfo($this->lng->txt("suggested_solution_added_successfully"));
00690                 $this->editQuestion();
00691         }
00692         
00693         function linkChilds()
00694         {
00695                 switch ($_SESSION["search_link_type"])
00696                 {
00697                         case "pg":
00698                         case "st":
00699                                 $_GET["q_id"] = $this->object->getId();
00700                                 $this->tpl->setVariable("HEADER", $this->object->getTitle());
00701                                 $this->getQuestionTemplate($_GET["sel_question_types"]);
00702                                 $color_class = array("tblrow1", "tblrow2");
00703                                 $counter = 0;
00704                                 require_once("./content/classes/class.ilObjContentObject.php");
00705                                 $cont_obj =& new ilObjContentObject($_GET["source_id"], true);
00706                                 // get all chapters
00707                                 $ctree =& $cont_obj->getLMTree();
00708                                 $nodes = $ctree->getSubtree($ctree->getNodeData($ctree->getRootId()));
00709                                 $this->tpl->addBlockFile("LINK_SELECTION", "link_selection", "tpl.il_as_qpl_internallink_selection.html", true);
00710                                 foreach($nodes as $node)
00711                                 {
00712                                         if($node["type"] == $_SESSION["search_link_type"])
00713                                         {
00714                                                 $this->tpl->setCurrentBlock("linktable_row");
00715                                                 $this->tpl->setVariable("TEXT_LINK", $node["title"]);
00716                                                 $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00717                                                 $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "add" . strtoupper($node["type"])) . "&" . $node["type"] . "=" . $node["obj_id"]);
00718                                                 $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00719                                                 $this->tpl->parseCurrentBlock();
00720                                                 $counter++;
00721                                         }
00722                                 }
00723                                 $this->tpl->setCurrentBlock("link_selection");
00724                                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00725                                 $this->tpl->setVariable("TEXT_LINK_TYPE", $this->lng->txt("obj_" . $_SESSION["search_link_type"]));
00726                                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00727                                 $this->tpl->parseCurrentBlock();
00728                                 break;
00729                         case "glo":
00730                                 $_GET["q_id"] = $this->object->getId();
00731                                 $this->tpl->setVariable("HEADER", $this->object->getTitle());
00732                                 $this->getQuestionTemplate($_GET["sel_question_types"]);
00733                                 $color_class = array("tblrow1", "tblrow2");
00734                                 $counter = 0;
00735                                 $this->tpl->addBlockFile("LINK_SELECTION", "link_selection", "tpl.il_as_qpl_internallink_selection.html", true);
00736                                 require_once "./content/classes/class.ilObjGlossary.php";
00737                                 $glossary =& new ilObjGlossary($_GET["source_id"], true);
00738                                 // get all glossary items
00739                                 $terms = $glossary->getTermList();
00740                                 foreach($terms as $term)
00741                                 {
00742                                         $this->tpl->setCurrentBlock("linktable_row");
00743                                         $this->tpl->setVariable("TEXT_LINK", $term["term"]);
00744                                         $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00745                                         $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "addGIT") . "&git=" . $term["id"]);
00746                                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00747                                         $this->tpl->parseCurrentBlock();
00748                                         $counter++;
00749                                 }
00750                                 $this->tpl->setCurrentBlock("link_selection");
00751                                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00752                                 $this->tpl->setVariable("TEXT_LINK_TYPE", $this->lng->txt("glossary_term"));
00753                                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00754                                 $this->tpl->parseCurrentBlock();
00755                                 break;
00756                         case "lm":
00757                                 $subquestion_index = 0;
00758                                 if ($_SESSION["subquestion_index"] >= 0)
00759                                 {
00760                                         $subquestion_index = $_SESSION["subquestion_index"];
00761                                 }
00762                                 $this->object->setSuggestedSolution("il__lm_" . $_GET["source_id"], $subquestion_index);
00763                                 unset($_SESSION["subquestion_index"]);
00764                                 unset($_SESSION["link_new_type"]);
00765                                 unset($_SESSION["search_link_type"]);
00766                                 sendInfo($this->lng->txt("suggested_solution_added_successfully"));
00767                                 $this->editQuestion();
00768                                 break;
00769                 }
00770         }
00771         
00772         function replaceInputElements  ($gap_idx, $solution, $output, $before="", $after="") {          
00773                 #echo htmlentities ($output)."<br>";
00774                 #echo htmlentities ($gap_idx)."<br>";
00775                 $before="<span class=\"textanswer\">[";
00776                 $after="]</span>";
00777                 $output = preg_replace ("/(<input[^>]*".$gap_idx."[^>]*>)/" , $before.$solution.$after, $output);
00778                 #echo htmlentities ($output)."<br>";            
00779                 return $output; 
00780         }
00781         
00782         function replaceSelectElements ($gap_idx, $repl_str, $output)//, $before="", $after="") {
00783         {
00784                 #echo htmlentities ($output)."<br>";
00785                 #echo htmlentities ($gap_idx)."<br>";
00786                 #echo htmlentities ($repl_str)."<br>";
00787                 $before="<span class=\"textanswer\">[";
00788                 $after="]</span>";      
00789         
00790                 $select_pattern = "/<select[^>]*name=\"$gap_idx\".*?[^>]*>.*?<\/select>/";
00791                 #echo  htmlentities ($select_pattern)."<br>";
00792                 // to extract the display value we need the according select statement 
00793                 if (preg_match($select_pattern, $output, $matches)) {
00794                         // got it, now we are trying to get the value
00795                         #echo "<br><br>".htmlentities ($matches[0]);
00796                         $value_pattern = "/<option[^>]*".$repl_str."[^>]*>(.*?)<\/option>/";                                                                                            
00797                         if (preg_match($value_pattern, $matches[0], $matches))
00798                                 $output = preg_replace ($select_pattern, $before.$matches[1].$after, $output);
00799 /*                      else 
00800                                 $output = preg_replace ($select_pattern, $before.$after, $output);*/
00801                 }
00802                 return $output; 
00803         }
00804         
00805         function removeFormElements ($output) {
00806                 $output = preg_replace ("/(<input[^>]*>)/" ,"[]", $output);                     
00807                 $output = preg_replace ("/<select[^>]*>.*?<\/select>/s" ,"[]", $output);                
00808                 return $output; 
00809         }
00810         
00811         function setSequenceNumber ($nr) {
00812                 $this->sequence_no = $nr;
00813         }
00814         
00815         function getSequenceNumber () {
00816                 return $this->sequence_no;
00817         }
00818         
00819 }
00820 ?>