ILIAS Release_3_6_x_branch .rev 46809: assessment/classes/class.assTextQuestionGUI.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_TextQuestionGUI extends ASS_QuestionGUI
00039 {
00048         function ASS_TextQuestionGUI(
00049                         $id = -1
00050         )
00051         {
00052                 $this->ASS_QuestionGUI();
00053                 include_once "./assessment/classes/class.assTextQuestion.php";
00054                 $this->object = new ASS_TextQuestion();
00055                 if ($id >= 0)
00056                 {
00057                         $this->object->loadFromDb($id);
00058                 }
00059         }
00060 
00069         function getQuestionType()
00070         {
00071                 return "qt_text";
00072         }
00073 
00081         function editQuestion()
00082         {
00083                 //$this->tpl->setVariable("HEADER", $this->object->getTitle());
00084                 $javascript = "<script type=\"text/javascript\">function initialSelect() {\n%s\n}</script>";
00085                 // single response
00086                 $this->getQuestionTemplate("qt_text");
00087                 $this->tpl->addBlockFile("QUESTION_DATA", "question_data", "tpl.il_as_qpl_text_question.html", true);
00088                 // call to other question data i.e. estimated working time block
00089                 $this->outOtherQuestionData();
00090 
00091                 $internallinks = array(
00092                         "lm" => $this->lng->txt("obj_lm"),
00093                         "st" => $this->lng->txt("obj_st"),
00094                         "pg" => $this->lng->txt("obj_pg"),
00095                         "glo" => $this->lng->txt("glossary_term")
00096                 );
00097                 foreach ($internallinks as $key => $value)
00098                 {
00099                         $this->tpl->setCurrentBlock("internallink");
00100                         $this->tpl->setVariable("TYPE_INTERNAL_LINK", $key);
00101                         $this->tpl->setVariable("TEXT_INTERNAL_LINK", $value);
00102                         $this->tpl->parseCurrentBlock();
00103                 }
00104                 
00105                 $this->tpl->setCurrentBlock("HeadContent");
00106                 $this->tpl->setVariable("CONTENT_BLOCK", sprintf($javascript, "document.frm_text_question.title.focus();"));
00107                 $this->tpl->parseCurrentBlock();
00108                 $this->tpl->setCurrentBlock("question_data");
00109                 $this->tpl->setVariable("TEXT_QUESTION_ID", $this->object->getId());
00110                 $this->tpl->setVariable("VALUE_TEXT_QUESTION_TITLE", htmlspecialchars($this->object->getTitle()));
00111                 $this->tpl->setVariable("VALUE_TEXT_QUESTION_COMMENT", htmlspecialchars($this->object->getComment()));
00112                 $this->tpl->setVariable("VALUE_TEXT_QUESTION_AUTHOR", htmlspecialchars($this->object->getAuthor()));
00113                 $questiontext = $this->object->get_question();
00114                 $questiontext = preg_replace("/<br \/>/", "\n", $questiontext);
00115                 $this->tpl->setVariable("VALUE_QUESTION", htmlspecialchars($questiontext));
00116                 $this->tpl->setVariable("VALUE_POINTS", htmlspecialchars($this->object->getPoints()));
00117                 if ($this->object->getMaxNumOfChars())
00118                 {
00119                         $this->tpl->setVariable("VALUE_MAXCHARS", htmlspecialchars($this->object->getMaxNumOfChars()));
00120                 }
00121                 $this->tpl->setVariable("TEXT_TITLE", $this->lng->txt("title"));
00122                 $this->tpl->setVariable("TEXT_AUTHOR", $this->lng->txt("author"));
00123                 $this->tpl->setVariable("TEXT_COMMENT", $this->lng->txt("description"));
00124                 $this->tpl->setVariable("TEXT_QUESTION", $this->lng->txt("question"));
00125                 $this->tpl->setVariable("TEXT_MAXCHARS", $this->lng->txt("maxchars"));
00126                 $this->tpl->setVariable("TEXT_POINTS", $this->lng->txt("points"));
00127                 $this->tpl->setVariable("DESCRIPTION_MAXCHARS", $this->lng->txt("description_maxchars"));
00128                 $this->tpl->setVariable("TEXT_SOLUTION_HINT", $this->lng->txt("solution_hint"));
00129                 if (count($this->object->suggested_solutions))
00130                 {
00131                         $solution_array = $this->object->getSuggestedSolution(0);
00132                         include_once "./assessment/classes/class.assQuestion.php";
00133                         $href = ASS_Question::_getInternalLinkHref($solution_array["internal_link"]);
00134                         $this->tpl->setVariable("TEXT_VALUE_SOLUTION_HINT", " <a href=\"$href\" target=\"content\">" . $this->lng->txt("solution_hint"). "</a> ");
00135                         $this->tpl->setVariable("BUTTON_REMOVE_SOLUTION", $this->lng->txt("remove"));
00136                         $this->tpl->setVariable("BUTTON_ADD_SOLUTION", $this->lng->txt("change"));
00137                         $this->tpl->setVariable("VALUE_SOLUTION_HINT", $solution_array["internal_link"]);
00138                 }
00139                 else
00140                 {
00141                         $this->tpl->setVariable("BUTTON_ADD_SOLUTION", $this->lng->txt("add"));
00142                 }
00143                 $this->tpl->setVariable("SAVE",$this->lng->txt("save"));
00144                 $this->tpl->setVariable("SAVE_EDIT", $this->lng->txt("save_edit"));
00145                 $this->tpl->setVariable("CANCEL",$this->lng->txt("cancel"));
00146                 $this->tpl->setVariable("TXT_REQUIRED_FLD", $this->lng->txt("required_field"));
00147                 $this->ctrl->setParameter($this, "sel_question_types", "qt_text");
00148                 $this->tpl->setVariable("TEXT_QUESTION_TYPE", $this->lng->txt("qt_text"));
00149                 $this->tpl->setVariable("ACTION_TEXT_QUESTION", $this->ctrl->getFormAction($this));
00150 
00151                 $this->tpl->parseCurrentBlock();
00152 
00153                 $this->tpl->setCurrentBlock("adm_content");
00154                 $this->tpl->setVariable("BODY_ATTRIBUTES", " onload=\"initialSelect();\""); 
00155                 $this->tpl->parseCurrentBlock();
00156         }
00157 
00165         function outOtherQuestionData()
00166         {
00167                 $this->tpl->setCurrentBlock("other_question_data");
00168                 $est_working_time = $this->object->getEstimatedWorkingTime();
00169                 $this->tpl->setVariable("TEXT_WORKING_TIME", $this->lng->txt("working_time"));
00170                 $this->tpl->setVariable("TIME_FORMAT", $this->lng->txt("time_format"));
00171                 $this->tpl->setVariable("VALUE_WORKING_TIME", ilUtil::makeTimeSelect("Estimated", false, $est_working_time[h], $est_working_time[m], $est_working_time[s]));
00172                 $this->tpl->parseCurrentBlock();
00173         }
00174 
00178         function checkInput()
00179         {
00180                 $cmd = $this->ctrl->getCmd();
00181 
00182                 if ((!$_POST["title"]) or (!$_POST["author"]) or (!$_POST["question"]) or (!$_POST["points"]))
00183                 {
00184                         return false;
00185                 }
00186                 return true;
00187         }
00188 
00197         function writePostData()
00198         {
00199                 $result = 0;
00200                 if ((!$_POST["title"]) or (!$_POST["author"]) or (!$_POST["question"]) or (!$_POST["points"]))
00201                 {
00202                         $result = 1;
00203                 }
00204 
00205                 $this->object->setTitle(ilUtil::stripSlashes($_POST["title"]));
00206                 $this->object->setAuthor(ilUtil::stripSlashes($_POST["author"]));
00207                 $this->object->setComment(ilUtil::stripSlashes($_POST["comment"]));
00208                 $questiontext = ilUtil::stripSlashes($_POST["question"], true, "<strong><em><code><cite>");
00209                 $questiontext = preg_replace("/\n/", "<br />", $questiontext);
00210                 $this->object->set_question($questiontext);
00211                 $this->object->setPoints($_POST["points"]);
00212                 $this->object->setSuggestedSolution($_POST["solution_hint"], 0);
00213                 $this->object->setMaxNumOfChars($_POST["maxchars"]);
00214 
00215                 $saved = $this->writeOtherPostData($result);
00216 
00217                 // Set the question id from a hidden form parameter
00218                 if ($_POST["text_question_id"] > 0)
00219                 {
00220                         $this->object->setId($_POST["text_question_id"]);
00221                 }
00222                 
00223                 return $result;
00224         }
00225 
00226         function outAdditionalOutput()
00227         {
00228                 if ($this->object->getMaxNumOfChars() > 0)
00229                 {
00230                         $this->tpl->addBlockFile("CONTENT_BLOCK", "charcounter", "tpl.charcounter.html", true);
00231                         $this->tpl->setCurrentBlock("charcounter");
00232                         $this->tpl->setVariable("CHARACTERS", $this->lng->txt("characters"));
00233                         $this->tpl->parseCurrentBlock();
00234                 }
00235         }
00251         function outWorkingForm(
00252                 $test_id = "", 
00253                 $is_postponed = false, 
00254                 $showsolution = 0, 
00255                 $show_question_page = true, 
00256                 $show_solution_only = false, 
00257                 $ilUser = NULL, 
00258                 $pass = NULL, 
00259                 $mixpass = false
00260         )
00261         {
00262                 if ($test_id) $this->outAdditionalOutput();
00263                 
00264                 if (!is_object($ilUser)) 
00265                 {
00266                         global $ilUser;
00267                 }
00268                 $output = $this->outQuestionPage("", $is_postponed, $test_id);
00269                 
00270                 if ($showsolution && !$show_solution_only)
00271                 {
00272                         $solutionintroduction = "<p>" . $this->lng->txt("tst_your_answer_was") . "</p>";
00273                         $output = preg_replace("/(<div[^<]*?ilc_PageTitle.*?<\/div>)/", "\\1" . $solutionintroduction, $output);
00274                 }
00275 
00276                 $solutionoutput = preg_replace("/.*?(<div[^<]*?ilc_Question.*?<\/div>).*/", "\\1", $output);
00277 
00278                 if (!$show_question_page)
00279                 {
00280                         $output = preg_replace("/.*?(<div[^<]*?ilc_Question.*?<\/div>).*/", "\\1", $output);
00281                 }
00282                 // if wants solution only then strip the question element from output
00283                 if ($show_solution_only) 
00284                 {
00285                         $output = preg_replace("/(<div[^<]*?ilc_Question[^>]*>.*?<\/div>)/", "", $output);
00286                 }
00287                 
00288                 // set solutions
00289                 if ($test_id)
00290                 {
00291                         $solutions = NULL;
00292                         include_once "./assessment/classes/class.ilObjTest.php";
00293                         if ((!$showsolution) && ilObjTest::_getHidePreviousResults($test_id, true))
00294                         {
00295                                 if ($show_question_page)
00296                                 {
00297                                         if (is_null($pass)) $pass = ilObjTest::_getPass($ilUser->id, $test_id);
00298                                 }
00299                         }
00300                         if ($mixpass) $pass = NULL;
00301                         $solutions =& $this->object->getSolutionValues($test_id, $ilUser, $pass);
00302                         foreach ($solutions as $idx => $solution_value)
00303                         {
00304                                 $repl_str = $solution_value["value1"]."</textarea>";
00305                                 $output = str_replace("</textarea>", $repl_str, $output);                                                               
00306                         }
00307                         
00308                         if (!$show_question_page)
00309                                 $output = preg_replace ("/<textarea[^>]*>(.*?)<\/textarea>/s","[\\1]", $output);
00310                         
00311                 }
00312                 if ($showsolution)
00313                 {
00314                         $maxchars = "";
00315                         if ($this->object->getMaxNumOfChars())
00316                         {
00317                                 $maxchars = "<p>" . $this->lng->txt("maxchars") . ": " . $this->object->getMaxNumOfChars() . "</p>"; 
00318                         }
00319                         $solutionoutput = preg_replace("/(<textarea.*?)<\/div>/", $maxchars . "<p>" . $this->lng->txt("tst_no_solution_available") . "</p></div>", $solutionoutput);
00320                 }
00321                 
00322                 if ($this->object->getMaxNumOfChars())
00323                 {
00324                         $output = str_replace("<textarea", "<p class=\"quote\">" . sprintf($this->lng->txt("text_maximum_chars_allowed"), $this->object->getMaxNumOfChars()) . "</p><textarea", $output);
00325                 }
00326 
00327                 if (!$showsolution) 
00328                 {
00329                         $solutionoutput="";
00330                         $received_points = "";
00331                 }
00332                 $this->tpl->setVariable("TEXT_QUESTION", $output.$solutionoutput.$received_points);
00333         }
00334 
00335         function addSuggestedSolution()
00336         {
00337                 $_SESSION["subquestion_index"] = 0;
00338                 if ($_POST["cmd"]["addSuggestedSolution"])
00339                 {
00340                         $this->writePostData();
00341                         if (!$this->checkInput())
00342                         {
00343                                 sendInfo($this->lng->txt("fill_out_all_required_fields_add_answer"));
00344                                 $this->editQuestion();
00345                                 return;
00346                         }
00347                 }
00348                 $this->object->saveToDb();
00349                 $_GET["q_id"] = $this->object->getId();
00350                 $this->tpl->setVariable("HEADER", $this->object->getTitle());
00351                 $this->getQuestionTemplate("qt_text");
00352                 parent::addSuggestedSolution();
00353         }
00354 }
00355 ?>