ILIAS Release_3_6_x_branch .rev 46809: assessment/classes/class.assOrderingQuestionGUI.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 "./assessment/classes/class.assQuestionGUI.php";
00025 include_once "./assessment/classes/inc.AssessmentConstants.php";
00026 
00038 class ASS_OrderingQuestionGUI extends ASS_QuestionGUI
00039 {
00040 
00049         function ASS_OrderingQuestionGUI(
00050                         $id = -1
00051         )
00052         {
00053                 $this->ASS_QuestionGUI();
00054                 include_once "./assessment/classes/class.assOrderingQuestion.php";
00055                 $this->object = new ASS_OrderingQuestion();
00056                 if ($id >= 0)
00057                 {
00058                         $this->object->loadFromDb($id);
00059                 }
00060         }
00061 
00070         function getQuestionType()
00071         {
00072                 return "qt_ordering";
00073         }
00074 
00075         function getCommand($cmd)
00076         {
00077                 if (substr($cmd, 0, 6) == "delete")
00078                 {
00079                         $cmd = "delete";
00080                 }
00081                 if (substr($cmd, 0, 6) == "upload")
00082                 {
00083                         $cmd = "upload";
00084                 }
00085 
00086                 return $cmd;
00087         }
00088 
00089 
00097         function editQuestion($ok = true)
00098         {
00099                 //$this->tpl->setVariable("HEADER", $this->object->getTitle());
00100                 $this->getQuestionTemplate("qt_ordering");
00101                 $this->tpl->addBlockFile("QUESTION_DATA", "question_data", "tpl.il_as_qpl_ordering.html", true);
00102 
00103                 // Output of existing answers
00104                 for ($i = 0; $i < $this->object->get_answer_count(); $i++)
00105                 {
00106                         $this->tpl->setCurrentBlock("deletebutton");
00107                         $this->tpl->setVariable("DELETE", $this->lng->txt("delete"));
00108                         $this->tpl->setVariable("ANSWER_ORDER", $i);
00109                         $this->tpl->parseCurrentBlock();
00110 
00111                         $thisanswer = $this->object->get_answer($i);
00112                         if ($this->object->get_ordering_type() == OQ_PICTURES)
00113                         {
00114                                 $this->tpl->setCurrentBlock("order_pictures");
00115                                 $this->tpl->setVariable("ANSWER_ORDER", $i);
00116                                 $this->tpl->setVariable("VALUE_ANSWER_COUNTER", $thisanswer->get_order() + 1);
00117                                 $this->tpl->setVariable("TEXT_ANSWER_PICTURE", $this->lng->txt("answer_picture"));
00118 
00119                                 $filename = $thisanswer->get_answertext();
00120                                 $extension = "jpg";
00121                                 if (preg_match("/.*\.(png|jpg|gif|jpeg)$/", $filename, $matches))
00122                                 {
00123                                         $extension = $matches[1];
00124                                 }
00125                                 if ($filename)
00126                                 {
00127                                         $imagepath = $this->object->getImagePathWeb() . $thisanswer->get_answertext();
00128                                         $this->tpl->setVariable("UPLOADED_IMAGE", "<img src=\"$imagepath.thumb.jpg\" alt=\"" . $thisanswer->get_answertext() . "\" border=\"\" />");
00129                                         $this->tpl->setVariable("IMAGE_FILENAME", htmlspecialchars($thisanswer->get_answertext()));
00130                                         $this->tpl->setVariable("VALUE_ANSWER", "");
00131                                         //$thisanswer->get_answertext()
00132                                 }
00133                                 $this->tpl->setVariable("UPLOAD", $this->lng->txt("upload"));
00134                         }
00135                         elseif ($this->object->get_ordering_type() == OQ_TERMS)
00136                         {
00137                                 $this->tpl->setCurrentBlock("order_terms");
00138                                 $this->tpl->setVariable("VALUE_ANSWER_COUNTER", $thisanswer->get_order() + 1);
00139                                 $this->tpl->setVariable("TEXT_ANSWER_TEXT", $this->lng->txt("answer_text"));
00140                                 $this->tpl->setVariable("ANSWER_ORDER", $i);
00141                                 $this->tpl->setVariable("VALUE_ANSWER", htmlspecialchars($thisanswer->get_answertext()));
00142                         }
00143                         $this->tpl->parseCurrentBlock();
00144 
00145                         $this->tpl->setCurrentBlock("answers");
00146                         $anchor = "#answer_" . ($thisanswer->get_order() + 1);
00147                         $this->tpl->setVariable("TEXT_SOLUTION_ORDER", $this->lng->txt("solution_order"));
00148                         $this->tpl->setVariable("ANSWER_ORDER", $thisanswer->get_order());
00149                         $this->tpl->setVariable("TEXT_ANSWER", $this->lng->txt("answer"));
00150                         $this->tpl->setVariable("VALUE_ORDER", $thisanswer->get_solution_order());
00151                         $this->tpl->setVariable("TEXT_POINTS", $this->lng->txt("points"));
00152                         $this->tpl->setVariable("VALUE_ORDERING_POINTS", sprintf("%d", $thisanswer->get_points()));
00153                         $this->tpl->parseCurrentBlock();
00154                 }
00155 
00156                 if (($this->ctrl->getCmd() == "addItem") and ($ok))
00157                 {
00158                         if ($this->object->get_ordering_type() == OQ_PICTURES)
00159                         {
00160                                 $this->tpl->setCurrentBlock("order_pictures");
00161                                 $this->tpl->setVariable("ANSWER_ORDER", $this->object->get_answer_count());
00162                                 $this->tpl->setVariable("VALUE_ANSWER_COUNTER", $this->object->get_answer_count() + 1);
00163                                 $this->tpl->setVariable("VALUE_ANSWER", "");
00164                                 $this->tpl->setVariable("UPLOAD", $this->lng->txt("upload"));
00165                                 $this->tpl->setVariable("TEXT_ANSWER_PICTURE", $this->lng->txt("answer_picture"));
00166                         }
00167                         elseif ($this->object->get_ordering_type() == OQ_TERMS)
00168                         {
00169                                 $this->tpl->setCurrentBlock("order_terms");
00170                                 $this->tpl->setVariable("TEXT_ANSWER_TEXT", $this->lng->txt("answer_text"));
00171                                 $this->tpl->setVariable("VALUE_ANSWER_COUNTER", $this->object->get_answer_count() + 1);
00172                                 $this->tpl->setVariable("ANSWER_ORDER", $this->object->get_answer_count());
00173                                 $this->tpl->setVariable("VALUE_ASNWER", "");
00174                         }
00175                         $this->tpl->parseCurrentBlock();
00176 
00177                         // Create an empty answer
00178                         $this->tpl->setCurrentBlock("answers");
00179                         //$this->tpl->setVariable("TEXT_ANSWER_TEXT", $this->lng->txt("answer_text"));
00180                         $this->tpl->setVariable("TEXT_ANSWER", $this->lng->txt("answer"));
00181                         $anchor = "#answer_" . ($this->object->get_answer_count() + 1);
00182                         $this->tpl->setVariable("TEXT_SOLUTION_ORDER", $this->lng->txt("solution_order"));
00183                         $this->tpl->setVariable("ANSWER_ORDER", $this->object->get_answer_count());
00184                         $this->tpl->setVariable("VALUE_ORDER", $this->object->get_max_solution_order() + 1);
00185                         $this->tpl->setVariable("TEXT_POINTS", $this->lng->txt("points"));
00186                         $this->tpl->setVariable("VALUE_ORDERING_POINTS", sprintf("%d", 0));
00187                         $this->tpl->parseCurrentBlock();
00188                 }
00189                 // call to other question data i.e. estimated working time block
00190                 $this->outOtherQuestionData();
00191                 
00192                 $internallinks = array(
00193                         "lm" => $this->lng->txt("obj_lm"),
00194                         "st" => $this->lng->txt("obj_st"),
00195                         "pg" => $this->lng->txt("obj_pg"),
00196                         "glo" => $this->lng->txt("glossary_term")
00197                 );
00198                 foreach ($internallinks as $key => $value)
00199                 {
00200                         $this->tpl->setCurrentBlock("internallink");
00201                         $this->tpl->setVariable("TYPE_INTERNAL_LINK", $key);
00202                         $this->tpl->setVariable("TEXT_INTERNAL_LINK", $value);
00203                         $this->tpl->parseCurrentBlock();
00204                 }
00205                 
00206                 $this->tpl->setCurrentBlock("HeadContent");
00207                 $javascript = "<script type=\"text/javascript\">function initialSelect() {\n%s\n}</script>";
00208                 switch ($this->ctrl->getCmd())
00209                 {
00210                         case "addItem":
00211                                 $this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_ordering.answer_".($this->object->get_answer_count()).".focus(); document.frm_ordering.answer_".($this->object->get_answer_count()).".scrollIntoView(\"true\");"));
00212                                 break;
00213                         default:
00214                                 $this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_ordering.title.focus();"));
00215                                 break;
00216                 }
00217                 $this->tpl->parseCurrentBlock();
00218                 $this->tpl->setCurrentBlock("question_data");
00219                 $this->tpl->setVariable("TEXT_TITLE", $this->lng->txt("title"));
00220                 $this->tpl->setVariable("TEXT_AUTHOR", $this->lng->txt("author"));
00221                 $this->tpl->setVariable("TEXT_COMMENT", $this->lng->txt("description"));
00222                 $this->tpl->setVariable("TEXT_QUESTION", $this->lng->txt("question"));
00223                 $this->tpl->setVariable("TEXT_SHUFFLE_ANSWERS", $this->lng->txt("shuffle_answers"));
00224                 $this->tpl->setVariable("TXT_YES", $this->lng->txt("yes"));
00225                 $this->tpl->setVariable("TXT_NO", $this->lng->txt("no"));
00226                 if ($this->object->getShuffle())
00227                 {
00228                         $this->tpl->setVariable("SELECTED_YES", " selected=\"selected\"");
00229                 }
00230                 else
00231                 {
00232                         $this->tpl->setVariable("SELECTED_NO", " selected=\"selected\"");
00233                 }
00234                 $this->tpl->setVariable("ORDERING_ID", $this->object->getId());
00235                 $this->tpl->setVariable("VALUE_ORDERING_TITLE", htmlspecialchars($this->object->getTitle()));
00236                 $this->tpl->setVariable("VALUE_ORDERING_COMMENT", htmlspecialchars($this->object->getComment()));
00237                 $this->tpl->setVariable("VALUE_ORDERING_AUTHOR", htmlspecialchars($this->object->getAuthor()));
00238                 $questiontext = $this->object->get_question();
00239                 $questiontext = preg_replace("/<br \/>/", "\n", $questiontext);
00240                 $this->tpl->setVariable("VALUE_QUESTION", htmlspecialchars($questiontext));
00241                 $this->tpl->setVariable("VALUE_ADD_ANSWER", $this->lng->txt("add_answer"));
00242                 $this->tpl->setVariable("TEXT_TYPE", $this->lng->txt("type"));
00243                 $this->tpl->setVariable("TEXT_TYPE_PICTURES", $this->lng->txt("order_pictures"));
00244                 $this->tpl->setVariable("TEXT_TYPE_TERMS", $this->lng->txt("order_terms"));
00245                 if ($this->object->get_ordering_type() == OQ_TERMS)
00246                 {
00247                         $this->tpl->setVariable("SELECTED_TERMS", " selected=\"selected\"");
00248                 }
00249                 elseif ($this->object->get_ordering_type() == OQ_PICTURES)
00250                 {
00251                         $this->tpl->setVariable("SELECTED_PICTURES", " selected=\"selected\"");
00252                 }
00253 
00254                 $this->tpl->setVariable("TEXT_SOLUTION_HINT", $this->lng->txt("solution_hint"));
00255                 if (count($this->object->suggested_solutions))
00256                 {
00257                         $solution_array = $this->object->getSuggestedSolution(0);
00258                         include_once "./assessment/classes/class.assQuestion.php";
00259                         $href = ASS_Question::_getInternalLinkHref($solution_array["internal_link"]);
00260                         $this->tpl->setVariable("TEXT_VALUE_SOLUTION_HINT", " <a href=\"$href\" target=\"content\">" . $this->lng->txt("solution_hint"). "</a> ");
00261                         $this->tpl->setVariable("BUTTON_REMOVE_SOLUTION", $this->lng->txt("remove"));
00262                         $this->tpl->setVariable("BUTTON_ADD_SOLUTION", $this->lng->txt("change"));
00263                         $this->tpl->setVariable("VALUE_SOLUTION_HINT", $solution_array["internal_link"]);
00264                 }
00265                 else
00266                 {
00267                         $this->tpl->setVariable("BUTTON_ADD_SOLUTION", $this->lng->txt("add"));
00268                 }
00269 
00270                 $this->tpl->setVariable("SAVE", $this->lng->txt("save"));
00271                 $this->tpl->setVariable("SAVE_EDIT", $this->lng->txt("save_edit"));
00272                 $this->tpl->setVariable("CANCEL", $this->lng->txt("cancel"));
00273                 $this->ctrl->setParameter($this, "sel_question_types", "qt_ordering");
00274                 $this->tpl->setVariable("TEXT_QUESTION_TYPE", $this->lng->txt("qt_ordering"));
00275                 $this->tpl->setVariable("ACTION_ORDERING_QUESTION",     $this->ctrl->getFormAction($this));
00276                 $this->tpl->setVariable("TXT_REQUIRED_FLD", $this->lng->txt("required_field"));
00277                 $this->tpl->parseCurrentBlock();
00278 
00279                 if ($this->error)
00280                 {
00281                         sendInfo($this->error);
00282                 }
00283                 
00284                 $this->tpl->setCurrentBlock("adm_content");
00285                 $this->tpl->setVariable("BODY_ATTRIBUTES", " onload=\"initialSelect();\""); 
00286                 $this->tpl->parseCurrentBlock();
00287         }
00288 
00289 
00290         function addItem()
00291         {
00292                 $ok = true;
00293                 if (!$this->checkInput())
00294                 {
00295                         // You cannot add answers before you enter the required data
00296                         $this->error .= $this->lng->txt("fill_out_all_required_fields_add_answer") . "<br />";
00297                         $ok = false;
00298                 }
00299                 else
00300                 {
00301                         foreach ($_POST as $key => $value)
00302                         {
00303                                 if (preg_match("/answer_(\d+)/", $key, $matches))
00304                                 {
00305                                         if (!$value)
00306                                         {
00307                                                 $ok = false;
00308                                         }
00309                                 }
00310                         }
00311                 }
00312                 if (!$ok)
00313                 {
00314                         $this->error .= $this->lng->txt("fill_out_all_answer_fields") . "<br />";
00315                 }
00316 
00317                 $this->writePostData();
00318                 $this->editQuestion($ok);
00319         }
00320 
00324         function delete()
00325         {
00326                 $this->writePostData();
00327 
00328                 // Delete an answer if the delete button was pressed
00329                 foreach ($_POST[cmd] as $key => $value)
00330                 {
00331                         if (preg_match("/delete_(\d+)/", $key, $matches))
00332                         {
00333                                 $this->object->delete_answer($matches[1]);
00334                         }
00335                 }
00336                 //$this->ctrl->redirect($this, "editQuestion"); works only on save
00337                 $this->editQuestion();
00338         }
00339 
00343         function upload()
00344         {
00345                 $this->writePostData();
00346                 $this->editQuestion();
00347         }
00348 
00356         function outOtherQuestionData()
00357         {
00358                 $this->tpl->setCurrentBlock("other_question_data");
00359                 $est_working_time = $this->object->getEstimatedWorkingTime();
00360                 $this->tpl->setVariable("TEXT_WORKING_TIME", $this->lng->txt("working_time"));
00361                 $this->tpl->setVariable("TIME_FORMAT", $this->lng->txt("time_format"));
00362                 $this->tpl->setVariable("VALUE_WORKING_TIME", ilUtil::makeTimeSelect("Estimated", false, $est_working_time[h], $est_working_time[m], $est_working_time[s]));
00363                 $this->tpl->parseCurrentBlock();
00364         }
00365 
00374         function writePostData()
00375         {
00376                 $result = 0;
00377                 $saved = false;
00378 
00379                 // Delete all existing answers and create new answers from the form data
00380                 $this->object->flush_answers();
00381 
00382                 $this->object->setTitle(ilUtil::stripSlashes($_POST["title"]));
00383                 $this->object->setAuthor(ilUtil::stripSlashes($_POST["author"]));
00384                 $this->object->setComment(ilUtil::stripSlashes($_POST["comment"]));
00385                 $questiontext = ilUtil::stripSlashes($_POST["question"], true, "<strong><em><code><cite>");
00386                 $questiontext = preg_replace("/\n/", "<br />", $questiontext);
00387                 $this->object->set_question($questiontext);
00388                 $this->object->setSuggestedSolution($_POST["solution_hint"], 0);
00389                 $this->object->setShuffle($_POST["shuffle"]);
00390 
00391                 // adding estimated working time
00392                 $saved = $saved | $this->writeOtherPostData($result);
00393                 $this->object->set_ordering_type($_POST["ordering_type"]);
00394 
00395                 // Add answers from the form
00396                 foreach ($_POST as $key => $value)
00397                 {
00398                         if (preg_match("/answer_(\d+)/", $key, $matches))
00399                         {
00400                                 if ($this->object->get_ordering_type() == OQ_PICTURES)
00401                                 {
00402                                         if ($_FILES[$key]["tmp_name"])
00403                                         {
00404                                                 // upload the ordering picture
00405                                                 if ($this->object->getId() <= 0)
00406                                                 {
00407                                                         $this->object->saveToDb();
00408                                                         $saved = true;
00409                                                         $this->error .= $this->lng->txt("question_saved_for_upload") . "<br />";
00410                                                 }
00411                                                 $image_file = $_FILES[$key]["name"];
00412                                                 $image_file = str_replace(" ", "_", $image_file);
00413                                                 $upload_result = $this->object->set_image_file($image_file, $_FILES[$key]['tmp_name']);
00414                                                 switch ($upload_result)
00415                                                 {
00416                                                         case 0:
00417                                                                 $_POST[$key] = $image_file;
00418                                                                 break;
00419                                                         case 1:
00420                                                                 $this->error .= $this->lng->txt("error_image_upload_wrong_format") . "<br />";
00421                                                                 break;
00422                                                         case 2:
00423                                                                 $this->error .= $this->lng->txt("error_image_upload_copy_file") . "<br />";
00424                                                                 break;
00425                                                 }
00426                                         }
00427                                 }
00428                                 $points = $_POST["points_$matches[1]"];
00429                                 if (preg_match("/\d+/", $points))
00430                                 {
00431                                         if ($points < 0)
00432                                         {
00433                                                 $points = 0.0;
00434                                                 $this->error .= $this->lng->txt("negative_points_not_allowed") . "<br />";
00435                                         }
00436                                 }
00437                                 else
00438                                 {
00439                                         $points = 0.0;
00440                                 }
00441                                 $this->object->add_answer(
00442                                         ilUtil::stripSlashes($_POST["$key"]),
00443                                         ilUtil::stripSlashes($points),
00444                                         ilUtil::stripSlashes($matches[1]),
00445                                         ilUtil::stripSlashes($_POST["order_$matches[1]"])
00446                                 );
00447                         }
00448                 }
00449 
00450                 if ($saved)
00451                 {
00452                         // If the question was saved automatically before an upload, we have to make
00453                         // sure, that the state after the upload is saved. Otherwise the user could be
00454                         // irritated, if he presses cancel, because he only has the question state before
00455                         // the upload process.
00456                         $this->object->saveToDb();
00457                         $_GET["q_id"] = $this->object->getId();
00458                 }
00459                 return $result;
00460         }
00461 
00477         function outWorkingForm(
00478                 $test_id = "", 
00479                 $is_postponed = false, 
00480                 $showsolution = 0, 
00481                 $show_question_page = true, 
00482                 $show_solution_only = false, 
00483                 $ilUser = NULL, 
00484                 $pass = NULL, 
00485                 $mixpass = false,
00486                 $user_post_solution = false
00487         )
00488         {
00489                 if (!is_object($ilUser)) 
00490                 {
00491                         global $ilUser;
00492                 }
00493                 
00494                 $output = $this->outQuestionPage(($show_solution_only)?"":"ORDERING_QUESTION", $is_postponed,$test_id);
00495                 $output = preg_replace("/&#123;/", "{", $output);
00496                 $output = preg_replace("/&#125;/", "}", $output);
00497                 
00498                 if ($showsolution && !$show_solution_only)
00499                 {
00500                         $solutionintroduction = "<p>" . $this->lng->txt("tst_your_answer_was") . "</p>";
00501                         $output = preg_replace("/(<div[^<]*?ilc_PageTitle.*?<\/div>)/", "\\1" . $solutionintroduction, $output);
00502                 }
00503                 $solutionoutput = preg_replace("/.*?(<div[^<]*?ilc_Question.*?<\/div>).*/", "\\1", $output);
00504                 $solutionoutput = preg_replace("/\"ord/", "\"solution_ord", $solutionoutput);
00505                 $solutionoutput = preg_replace("/name\=\"order_/", "name=\"solution_order_", $solutionoutput);
00506                 
00507                 
00508                 if (!$show_question_page)
00509                         $output = preg_replace("/.*?(<div[^<]*?ilc_Question.*?<\/div>).*/", "\\1", $output);
00510                         
00511                 // if wants solution only then strip the question element from output
00512                 if ($show_solution_only) 
00513                 {
00514                         $output = preg_replace("/(<div[^<]*?ilc_Question[^>]*>.*?<\/div>)/", "", $output);
00515                 }
00516                 
00517                 // set solutions
00518                 $solution_script = "";
00519                 if ($test_id)
00520                 {
00521                         $solutions = NULL;
00522                         include_once "./assessment/classes/class.ilObjTest.php";
00523                         if ((!$showsolution) && ilObjTest::_getHidePreviousResults($test_id, true))
00524                         {
00525                                 if ($show_question_page)
00526                                 {
00527                                         if (is_null($pass)) $pass = ilObjTest::_getPass($ilUser->id, $test_id);
00528                                 }
00529                         }
00530                         if ($mixpass) $pass = NULL;
00531                         if (is_array($user_post_solution)) 
00532                         {
00533                                 $solutions = array();
00534                                 foreach ($user_post_solution as $key => $value)
00535                                 {
00536                                         if (preg_match("/order_(\d+)/", $key, $matches))
00537                                         {
00538                                                 array_push($solutions, array("value1" => $matches[1], "value2" => $value));
00539                                         }
00540                                 }
00541                         }
00542                         else
00543                         {
00544                                 $solutions =& $this->object->getSolutionValues($test_id, $ilUser, $pass);
00545                         }
00546                         $solution_script .= "";//"resetValues();\n";
00547                         $jssolutions = array();
00548                         foreach ($solutions as $idx => $solution_value)
00549                         {
00550                                 if ($this->object->getOutputType() == OUTPUT_HTML || !$show_question_page)
00551                                 {
00552                                         $repl_str = "dummy=\"ord".$solution_value["value1"]."\"";
00553         //echo "<br>".$repl_str;
00554                                         if (!$show_question_page)
00555                                                 $output = $this->replaceInputElements($repl_str, $solution_value["value2"], $output, "[","]"); 
00556                                         else 
00557                                                 $output = str_replace($repl_str, $repl_str." value=\"".$solution_value["value2"]."\"", $output);
00558                                 }
00559                                 else
00560                                 {
00561                                         if ((strcmp($solution_value["value2"], "") != 0) && (strcmp($solution_value["value1"], "") != 0))
00562                                         {
00563                                                 $jssolutions[$solution_value["value2"]] = $solution_value["value1"];
00564                                         }
00565                                 }
00566                         }
00567                         if (!$show_question_page) 
00568                         {
00569                                 //echo htmlentities ($output);
00570                                 $output = $this->removeFormElements($output);
00571                         }
00572                         if (count($jssolutions))
00573                         {
00574                                 ksort($jssolutions);
00575                                 $js = "";
00576                                 foreach ($jssolutions as $key => $value)
00577                                 {
00578                                         $js .= "initialorder.push($value);";
00579                                 }
00580                                 $js .= "restoreInitialOrder();";
00581                                 $output = str_replace("/*solution*/", $js, $output);
00582                         }
00583                 }
00584 
00585                 if ($this->object->getOutputType() == OUTPUT_JAVASCRIPT)
00586                 {
00587                         if ($this->object->get_ordering_type() == OQ_PICTURES)
00588                         {
00589                                 foreach ($this->object->answers as $key => $answer)
00590                                 {
00591                                         $extension = "jpg";
00592                                         if (preg_match("/.*\.(png|jpg|gif|jpeg)$/", $answer->get_answertext(), $matches))
00593                                         {
00594                                                 $extension = $matches[1];
00595                                         }
00596                                         $sizethumb = GetImageSize ($this->object->getImagePath() . $answer->get_answertext() . ".thumb.jpg");
00597                                         $sizeorig = GetImageSize ($this->object->getImagePath() . $answer->get_answertext());
00598                                         if ($sizethumb[0] >= $sizeorig[0])
00599                                         {
00600                                                 // thumbnail is larger than original -> remove enlarge image
00601                                                 $output = preg_replace("/<a[^>]*?>\s*<img[^>]*?enlarge[^>]*?>\s*<\/a>/", "", $output);
00602                                         }
00603                                         // add the image size to the thumbnails
00604                                         $output = preg_replace("/(<img[^>]*?".$answer->get_answertext()."[^>]*?)(\/{0,1}\s*)?>/", "\\1 " . $sizethumb[3] . "\\2", $output);
00605                                 }
00606                         }
00607                         // $output = str_replace("// solution_script", "", $output);
00608 
00609                         // BEGIN: add javascript code for javascript enabled ordering questions
00610                         $this->tpl->addBlockFile("CONTENT_BLOCK", "head_content", "tpl.il_as_execute_ordering_javascript.html", true);
00611                         $this->tpl->setCurrentBlock("head_content");
00612                         $this->tpl->setVariable("JS_LOCATION", "./assessment/js/toolman/");
00613                         $this->tpl->parseCurrentBlock();
00614                         // END: add javascript code for javascript enabled ordering questions
00615                         
00616                         // BEGIN: add additional stylesheet for javascript enabled ordering questions
00617                         $this->tpl->setCurrentBlock("AdditionalStyle");
00618                         $this->tpl->setVariable("LOCATION_ADDITIONAL_STYLESHEET", "./assessment/templates/default/test_javascript.css");
00619                         $this->tpl->parseCurrentBlock();
00620                         // END: add additional stylesheet for javascript enabled ordering questions
00621                         
00622                         // BEGIN: onsubmit form action for javascript enabled ordering questions
00623                         $this->tpl->setVariable("ON_SUBMIT", "return saveOrder('orderlist');");
00624                         // END: onsubmit form action for javascript enabled ordering questions
00625                         
00626                         //$this->tpl->setVariable("JS_INITIALIZE", "<script type=\"text/javascript\">\nfunction show_solution() {\n$solution_script\n}\n</script>\n");
00627                         //$this->tpl->setVariable("BODY_ATTRIBUTES", " onload=\"show_solution();\"");
00628                 }
00629                 
00630                 foreach ($this->object->answers as $idx => $answer)
00631                 {
00632                         $repl_str = "dummy=\"solution_ord$idx\"";
00633                         $solutionoutput = str_replace($repl_str, $repl_str." value=\"" . $answer->get_solution_order() . "\"", $solutionoutput);
00634                         $solutionoutput = preg_replace("/(<tr.*?dummy=\"solution_ord$idx" . "[^\d].*?)<\/tr>/", "\\1<td>" . "<em>(" . $answer->get_points() . " " . $this->lng->txt("points") . ")</em>" . "</td></tr>", $solutionoutput);
00635                         if ($show_solution_only)
00636                                 $solutionoutput = $this->replaceInputElements($repl_str, $answer->get_solution_order(), $solutionoutput , "[" , "]");
00637                 }
00638 
00639                 if (!$show_solution_only)
00640                 {
00641                         $solutionoutput = "<p>" . $this->lng->txt("correct_solution_is") . ":</p><p>$solutionoutput</p>";
00642                 }
00643                 if ($test_id) 
00644                 {
00645                         $reached_points = $this->object->getReachedPoints($ilUser->id, $test_id);
00646                         $received_points = "<p>" . sprintf($this->lng->txt("you_received_a_of_b_points"), $reached_points, $this->object->getMaximumPoints());
00647                         $count_comment = "";
00648                         if ($reached_points == 0)
00649                         {
00650                                 $count_comment = $this->object->getSolutionCommentCountSystem($test_id);
00651                                 if (strlen($count_comment))
00652                                 {
00653                                         if (strlen($mc_comment) == 0)
00654                                         {
00655                                                 $count_comment = "<span class=\"asterisk\">*</span><br /><br /><span class=\"asterisk\">*</span>$count_comment";
00656                                         }
00657                                         else
00658                                         {
00659                                                 $count_comment = "<br /><span class=\"asterisk\">*</span>$count_comment";
00660                                         }
00661                                 }
00662                         }
00663                         $received_points .= $count_comment;
00664                         $received_points .= "</p>";
00665                 }
00666                 if (!$showsolution)
00667                 {
00668                         $solutionoutput = "";
00669                         $received_points = "";
00670                 }
00671                 $this->tpl->setVariable("ORDERING_QUESTION", $output.$solutionoutput.$received_points);
00672         }
00673 
00677         function checkInput()
00678         {
00679                 if ((!$_POST["title"]) or (!$_POST["author"]) or (!$_POST["question"]))
00680                 {
00681                         return false;
00682                 }
00683                 return true;
00684         }
00685 
00686         function addSuggestedSolution()
00687         {
00688                 $_SESSION["subquestion_index"] = 0;
00689                 if ($_POST["cmd"]["addSuggestedSolution"])
00690                 {
00691                         $this->writePostData();
00692                         if (!$this->checkInput())
00693                         {
00694                                 sendInfo($this->lng->txt("fill_out_all_required_fields_add_answer"));
00695                                 $this->editQuestion();
00696                                 return;
00697                         }
00698                 }
00699                 $this->object->saveToDb();
00700                 $_GET["q_id"] = $this->object->getId();
00701                 $this->tpl->setVariable("HEADER", $this->object->getTitle());
00702                 $this->getQuestionTemplate("qt_ordering");
00703                 parent::addSuggestedSolution();
00704         }
00705 }
00706 ?>