ILIAS Release_3_9_x_branch .rev 46835: Modules/SurveyQuestionPool/classes/class.SurveyQuestionGUI.php Source File

Go to the documentation of this file.
00001 <?php
00002  /*
00003    +----------------------------------------------------------------------------+
00004    | ILIAS open source                                                          |
00005    +----------------------------------------------------------------------------+
00006    | Copyright (c) 1998-2001 ILIAS open source, University of Cologne           |
00007    |                                                                            |
00008    | This program is free software; you can redistribute it and/or              |
00009    | modify it under the terms of the GNU General Public License                |
00010    | as published by the Free Software Foundation; either version 2             |
00011    | of the License, or (at your option) any later version.                     |
00012    |                                                                            |
00013    | This program is distributed in the hope that it will be useful,            |
00014    | but WITHOUT ANY WARRANTY; without even the implied warranty of             |
00015    | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              |
00016    | GNU General Public License for more details.                               |
00017    |                                                                            |
00018    | You should have received a copy of the GNU General Public License          |
00019    | along with this program; if not, write to the Free Software                |
00020    | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
00021    +----------------------------------------------------------------------------+
00022 */
00023 
00024 include_once "./Modules/Survey/classes/inc.SurveyConstants.php";
00025 
00036 class SurveyQuestionGUI 
00037 {
00045   var $object;
00046         var $tpl;
00047         var $lng;
00048         var $errormessage;
00049 
00057         var $cumulated;
00058         
00070   function SurveyQuestionGUI()
00071 
00072   {
00073                 global $lng, $tpl, $ilCtrl;
00074 
00075     $this->lng =& $lng;
00076     $this->tpl =& $tpl;
00077                 $this->ctrl =& $ilCtrl;
00078                 $this->ctrl->saveParameter($this, "q_id");
00079                 $this->ctrl->setParameterByClass($_GET["cmdClass"], "sel_question_types", $_GET["sel_question_types"]);
00080                 $this->cumulated = array();
00081         }
00082 
00086         function &executeCommand()
00087         {
00088                 $cmd = $this->ctrl->getCmd();
00089                 $next_class = $this->ctrl->getNextClass($this);
00090 
00091                 $cmd = $this->getCommand($cmd);
00092                 switch($next_class)
00093                 {
00094                         default:
00095                                 $ret =& $this->$cmd();
00096                                 break;
00097                 }
00098                 return $ret;
00099         }
00100 
00101         function getCommand($cmd)
00102         {
00103                 return $cmd;
00104         }
00105 
00117         function &_getQuestionGUI($questiontype, $question_id = -1)
00118         {
00119                 if (!$questiontype)
00120                 {
00121                         include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
00122                         $questiontype = SurveyQuestion::_getQuestiontype($question_id);
00123                 }
00124                 $questiontypegui = $questiontype . "GUI";
00125                 include_once "./Modules/SurveyQuestionPool/classes/class.$questiontypegui.php";
00126                 $question = new $questiontypegui();
00127                 if ($question_id > 0)
00128                 {
00129                         $question->object->loadFromDb($question_id);
00130                 }
00131 
00132                 return $question;
00133         }
00134         
00135         function _getGUIClassNameForId($a_q_id)
00136         {
00137                 include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
00138                 include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestionGUI.php";
00139                 $q_type = SurveyQuestion::_getQuestiontype($a_q_id);
00140                 $class_name = SurveyQuestionGUI::_getClassNameForQType($q_type);
00141                 return $class_name;
00142         }
00143 
00144         function _getClassNameForQType($q_type)
00145         {
00146                 return $q_type;
00147         }
00148         
00149         function originalSyncForm()
00150         {
00151                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.il_svy_qpl_sync_original.html", "Modules/SurveyQuestionPool");
00152                 $this->tpl->setCurrentBlock("adm_content");
00153                 $this->tpl->setVariable("BUTTON_YES", $this->lng->txt("yes"));
00154                 $this->tpl->setVariable("BUTTON_NO", $this->lng->txt("no"));
00155                 $this->tpl->setVariable("FORM_ACTION", $this->ctrl->getFormAction($this));
00156                 $this->tpl->setVariable("TEXT_SYNC", $this->lng->txt("confirm_sync_questions"));
00157                 $this->tpl->parseCurrentBlock();
00158         }
00159         
00160         function sync()
00161         {
00162                 $original_id = $this->object->original_id;
00163                 if ($original_id)
00164                 {
00165                         $this->object->syncWithOriginal();
00166                 }
00167                 $this->ctrl->redirect($this, "editQuestion");
00168                 
00169                 /*$_GET["ref_id"] = $_GET["calling_survey"];
00170                 include_once "./Services/Utilities/classes/class.ilUtil.php";
00171                 ilUtil::redirect("ilias.php?baseClass=ilObjSurveyGUI&ref_id=" . $_GET["calling_survey"] . "&cmd=questions");*/
00172         }
00173 
00174         function cancelSync()
00175         {
00176                 $this->ctrl->redirect($this, "editQuestion");
00177                 /*$_GET["ref_id"] = $_GET["calling_survey"];
00178                 include_once "./Services/Utilities/classes/class.ilUtil.php";
00179                 ilUtil::redirect("ilias.php?baseClass=ilObjSurveyGUI&ref_id=" . $_GET["calling_survey"] . "&cmd=questions");*/
00180         }
00181                 
00185         function save()
00186         {
00187                 global $ilUser;
00188                 
00189                 $old_id = $_GET["q_id"];
00190                 $this->errormessage = $this->lng->txt("fill_out_all_required_fields");
00191                 $result = $this->writePostData();
00192                 if ($result == 0)
00193                 {
00194                         $ilUser->setPref("svy_lastquestiontype", $this->object->getQuestionType());
00195                         $ilUser->writePref("svy_lastquestiontype", $this->object->getQuestionType());
00196                         $this->object->saveToDb();
00197                         $originalexists = $this->object->_questionExists($this->object->original_id);
00198                         $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00199                         include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
00200                         if ($_GET["calling_survey"] && $originalexists && SurveyQuestion::_isWriteable($this->object->original_id, $ilUser->getId()))
00201                         {
00202                                 $this->originalSyncForm();
00203                                 return;
00204                         }
00205                         elseif ($_GET["calling_survey"])
00206                         {
00207                                 $_GET["ref_id"] = $_GET["calling_survey"];
00208                                 include_once "./Services/Utilities/classes/class.ilUtil.php";
00209                                 ilUtil::redirect("ilias.php?baseClass=ilObjSurveyGUI&ref_id=" . $_GET["calling_survey"] . "&cmd=questions");
00210                                 return;
00211                         }
00212                         elseif ($_GET["new_for_survey"] > 0)
00213                         {
00214                                 $this->ctrl->setParameterByClass($_GET["cmdClass"], "q_id", $this->object->getId());
00215                                 $this->ctrl->setParameterByClass($_GET["cmdClass"], "sel_question_types", $_GET["sel_question_types"]);
00216                                 $this->ctrl->setParameterByClass($_GET["cmdClass"], "new_for_survey", $_GET["new_for_survey"]);
00217                                 $this->ctrl->redirectByClass($_GET["cmdClass"], "editQuestion");
00218                                 return;
00219                         }
00220                         else
00221                         {
00222                                 ilUtil::sendInfo($this->lng->txt("msg_obj_modified"), true);
00223                                 $this->ctrl->setParameterByClass($_GET["cmdClass"], "q_id", $this->object->getId());
00224                                 $this->ctrl->setParameterByClass($_GET["cmdClass"], "sel_question_types", $_GET["sel_question_types"]);
00225                                 $this->ctrl->setParameterByClass($_GET["cmdClass"], "new_for_survey", $_GET["new_for_survey"]);
00226                                 $this->ctrl->redirectByClass($_GET["cmdClass"], "editQuestion");
00227                         }
00228                 }
00229                 else
00230                 {
00231       ilUtil::sendInfo($this->errormessage);
00232                 }
00233                 $this->editQuestion();
00234         }
00235         
00236         function cancel()
00237         {
00238                 if ($_GET["calling_survey"])
00239                 {
00240                         $_GET["ref_id"] = $_GET["calling_survey"];
00241                         include_once "./Services/Utilities/classes/class.ilUtil.php";
00242                         ilUtil::redirect("ilias.php?baseClass=ilObjSurveyGUI&cmd=questions&ref_id=".$_GET["calling_survey"]);
00243                 }
00244                 elseif ($_GET["new_for_survey"])
00245                 {
00246                         $_GET["ref_id"] = $_GET["new_for_survey"];
00247                         include_once "./Services/Utilities/classes/class.ilUtil.php";
00248                         ilUtil::redirect("ilias.php?baseClass=ilObjSurveyGUI&cmd=questions&ref_id=".$_GET["new_for_survey"]);
00249                 }
00250                 else
00251                 {
00252                         $this->ctrl->redirectByClass("ilobjsurveyquestionpoolgui", "questions");
00253                 }
00254         }
00255 
00263         function cancelDeleteCategory() 
00264         {
00265                 $this->ctrl->redirect($this, "editQuestion");
00266         }
00267 
00268         function addMaterial()
00269         {
00270                 global $tree;
00271 
00272                 if ($_POST["cmd"]["addMaterial"])
00273                 {
00274                         if ($this->writePostData() == 1)
00275                         {
00276                                 return $this->editQuestion();
00277                         }
00278                         else
00279                         {
00280                                 $this->object->saveToDb();
00281                                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00282                         }
00283                 }
00284                 include_once("./Modules/SurveyQuestionPool/classes/class.ilMaterialExplorer.php");
00285                 switch ($_POST["internalLinkType"])
00286                 {
00287                         case "lm":
00288                                 $_SESSION["link_new_type"] = "lm";
00289                                 $_SESSION["search_link_type"] = "lm";
00290                                 break;
00291                         case "glo":
00292                                 $_SESSION["link_new_type"] = "glo";
00293                                 $_SESSION["search_link_type"] = "glo";
00294                                 break;
00295                         case "st":
00296                                 $_SESSION["link_new_type"] = "lm";
00297                                 $_SESSION["search_link_type"] = "st";
00298                                 break;
00299                         case "pg":
00300                                 $_SESSION["link_new_type"] = "lm";
00301                                 $_SESSION["search_link_type"] = "pg";
00302                                 break;
00303                         default:
00304                                 if (!$_SESSION["link_new_type"])
00305                                 {
00306                                         $_SESSION["link_new_type"] = "lm";
00307                                 }
00308                                 break;
00309                 }
00310 
00311                 ilUtil::sendInfo($this->lng->txt("select_object_to_link"));
00312                 
00313                 $exp = new ilMaterialExplorer($this->ctrl->getLinkTarget($this,'addMaterial'), get_class($this));
00314 
00315                 $exp->setExpand($_GET["expand"] ? $_GET["expand"] : $tree->readRootId());
00316                 $exp->setExpandTarget($this->ctrl->getLinkTarget($this,'addMaterial'));
00317                 $exp->setTargetGet("ref_id");
00318                 $exp->setRefId($this->cur_ref_id);
00319                 $exp->addFilter($_SESSION["link_new_type"]);
00320                 $exp->setSelectableType($_SESSION["link_new_type"]);
00321 
00322                 // build html-output
00323                 $exp->setOutput(0);
00324 
00325                 $this->tpl->addBlockFile("ADM_CONTENT", "explorer", "tpl.il_svy_qpl_explorer.html", "Modules/SurveyQuestionPool");
00326                 $this->tpl->setVariable("EXPLORER_TREE",$exp->getOutput());
00327                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00328                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00329                 $this->tpl->parseCurrentBlock();
00330         }
00331         
00332         function removeMaterial()
00333         {
00334                 $this->object->material = array();
00335                 $this->object->saveToDb();
00336                 $this->editQuestion();
00337         }
00338         
00339         function cancelExplorer()
00340         {
00341                 unset($_SESSION["link_new_type"]);
00342                 $this->editQuestion();
00343         }
00344                 
00345         function addPG()
00346         {
00347                 $this->object->setMaterial("il__pg_" . $_GET["pg"]);
00348                 unset($_SESSION["link_new_type"]);
00349                 unset($_SESSION["search_link_type"]);
00350                 ilUtil::sendInfo($this->lng->txt("material_added_successfully"));
00351                 $this->editQuestion();
00352         }
00353         
00354         function addST()
00355         {
00356                 $this->object->setMaterial("il__st_" . $_GET["st"]);
00357                 unset($_SESSION["link_new_type"]);
00358                 unset($_SESSION["search_link_type"]);
00359                 ilUtil::sendInfo($this->lng->txt("material_added_successfully"));
00360                 $this->editQuestion();
00361         }
00362 
00363         function addGIT()
00364         {
00365                 $this->object->setMaterial("il__git_" . $_GET["git"]);
00366                 unset($_SESSION["link_new_type"]);
00367                 unset($_SESSION["search_link_type"]);
00368                 ilUtil::sendInfo($this->lng->txt("material_added_successfully"));
00369                 $this->editQuestion();
00370         }
00371         
00372         function linkChilds()
00373         {
00374                 switch ($_SESSION["search_link_type"])
00375                 {
00376                         case "pg":
00377                                 include_once "./Modules/LearningModule/classes/class.ilLMPageObject.php";
00378                                 include_once("./Modules/LearningModule/classes/class.ilObjContentObjectGUI.php");
00379                                 $cont_obj_gui =& new ilObjContentObjectGUI("", $_GET["source_id"], true);
00380                                 $cont_obj = $cont_obj_gui->object;
00381                                 $pages = ilLMPageObject::getPageList($cont_obj->getId());
00382                                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00383                                 $color_class = array("tblrow1", "tblrow2");
00384                                 $counter = 0;
00385                                 $this->tpl->addBlockFile("ADM_CONTENT", "link_selection", "tpl.il_svy_qpl_internallink_selection.html", "Modules/SurveyQuestionPool");
00386                                 foreach($pages as $page)
00387                                 {
00388                                         if($page["type"] == $_SESSION["search_link_type"])
00389                                         {
00390                                                 $this->tpl->setCurrentBlock("linktable_row");
00391                                                 $this->tpl->setVariable("TEXT_LINK", $page["title"]);
00392                                                 $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00393                                                 $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "add" . strtoupper($page["type"])) . "&" . $page["type"] . "=" . $page["obj_id"]);
00394                                                 $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00395                                                 $this->tpl->parseCurrentBlock();
00396                                                 $counter++;
00397                                         }
00398                                 }
00399                                 $this->tpl->setCurrentBlock("link_selection");
00400                                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00401                                 $this->tpl->setVariable("TEXT_LINK_TYPE", $this->lng->txt("obj_" . $_SESSION["search_link_type"]));
00402                                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00403                                 $this->tpl->parseCurrentBlock();
00404                                 break;
00405                         case "st":
00406                                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00407                                 $color_class = array("tblrow1", "tblrow2");
00408                                 $counter = 0;
00409                                 include_once("./Modules/LearningModule/classes/class.ilObjContentObjectGUI.php");
00410                                 $cont_obj_gui =& new ilObjContentObjectGUI("", $_GET["source_id"], true);
00411                                 $cont_obj = $cont_obj_gui->object;
00412                                 // get all chapters
00413                                 $ctree =& $cont_obj->getLMTree();
00414                                 $nodes = $ctree->getSubtree($ctree->getNodeData($ctree->getRootId()));
00415                                 $this->tpl->addBlockFile("ADM_CONTENT", "link_selection", "tpl.il_svy_qpl_internallink_selection.html", "Modules/SurveyQuestionPool");
00416                                 foreach($nodes as $node)
00417                                 {
00418                                         if($node["type"] == $_SESSION["search_link_type"])
00419                                         {
00420                                                 $this->tpl->setCurrentBlock("linktable_row");
00421                                                 $this->tpl->setVariable("TEXT_LINK", $node["title"]);
00422                                                 $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00423                                                 $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "add" . strtoupper($node["type"])) . "&" . $node["type"] . "=" . $node["obj_id"]);
00424                                                 $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00425                                                 $this->tpl->parseCurrentBlock();
00426                                                 $counter++;
00427                                         }
00428                                 }
00429                                 $this->tpl->setCurrentBlock("link_selection");
00430                                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00431                                 $this->tpl->setVariable("TEXT_LINK_TYPE", $this->lng->txt("obj_" . $_SESSION["search_link_type"]));
00432                                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00433                                 $this->tpl->parseCurrentBlock();
00434                                 break;
00435                         case "glo":
00436                                 $this->ctrl->setParameter($this, "q_id", $this->object->getId());
00437                                 $color_class = array("tblrow1", "tblrow2");
00438                                 $counter = 0;
00439                                 $this->tpl->addBlockFile("ADM_CONTENT", "link_selection", "tpl.il_svy_qpl_internallink_selection.html", "Modules/SurveyQuestionPool");
00440                                 include_once "./Modules/Glossary/classes/class.ilObjGlossary.php";
00441                                 $glossary =& new ilObjGlossary($_GET["source_id"], true);
00442                                 // get all glossary items
00443                                 $terms = $glossary->getTermList();
00444                                 foreach($terms as $term)
00445                                 {
00446                                         $this->tpl->setCurrentBlock("linktable_row");
00447                                         $this->tpl->setVariable("TEXT_LINK", $term["term"]);
00448                                         $this->tpl->setVariable("TEXT_ADD", $this->lng->txt("add"));
00449                                         $this->tpl->setVariable("LINK_HREF", $this->ctrl->getLinkTargetByClass(get_class($this), "addGIT") . "&git=" . $term["id"]);
00450                                         $this->tpl->setVariable("COLOR_CLASS", $color_class[$counter % 2]);
00451                                         $this->tpl->parseCurrentBlock();
00452                                         $counter++;
00453                                 }
00454                                 $this->tpl->setCurrentBlock("link_selection");
00455                                 $this->tpl->setVariable("BUTTON_CANCEL",$this->lng->txt("cancel"));
00456                                 $this->tpl->setVariable("TEXT_LINK_TYPE", $this->lng->txt("glossary_term"));
00457                                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00458                                 $this->tpl->parseCurrentBlock();
00459                                 break;
00460                         case "lm":
00461                                 $this->object->setMaterial("il__lm_" . $_GET["source_id"]);
00462                                 unset($_SESSION["link_new_type"]);
00463                                 unset($_SESSION["search_link_type"]);
00464                                 ilUtil::sendInfo($this->lng->txt("material_added_successfully"));
00465                                 $this->editQuestion();
00466                                 break;
00467                 }
00468         }
00469 
00470 
00478         function getPrintView($question_title = 1, $show_questiontext = 1)
00479         {
00480                 return "";
00481         }
00482 
00483         function setQuestionTabsForClass($guiclass)
00484         {
00485                 global $rbacsystem,$ilTabs;
00486                 $this->ctrl->setParameterByClass("$guiclass", "sel_question_types", $this->getQuestionType());
00487                 $this->ctrl->setParameterByClass("$guiclass", "q_id", $_GET["q_id"]);
00488 
00489                 if (($_GET["calling_survey"] > 0) || ($_GET["new_for_survey"] > 0))
00490                 {
00491                         $ref_id = $_GET["calling_survey"];
00492                         if (!strlen($ref_id)) $ref_id = $_GET["new_for_survey"];
00493                         $addurl = "";
00494                         if (strlen($_GET["new_for_survey"]))
00495                         {
00496                                 $addurl = "&new_id=" . $_GET["q_id"];
00497                         }
00498                         $ilTabs->setBackTarget($this->lng->txt("menubacktosurvey"), "ilias.php?baseClass=ilObjSurveyGUI&ref_id=$ref_id&cmd=questions" . $addurl);
00499                 }
00500                 else
00501                 {
00502                         $ilTabs->setBackTarget($this->lng->txt("spl"), $this->ctrl->getLinkTargetByClass("ilObjSurveyQuestionPoolGUI", "questions"));
00503                 }
00504                 if ($_GET["q_id"])
00505                 {
00506                         $ilTabs->addTarget("preview",
00507                                                                          $this->ctrl->getLinkTargetByClass("$guiclass", "preview"), "preview",
00508                                                                          "$guiclass");
00509                 }
00510                 if ($rbacsystem->checkAccess('edit', $_GET["ref_id"])) {
00511                         $ilTabs->addTarget("edit_properties",
00512                                                                          $this->ctrl->getLinkTargetByClass("$guiclass", "editQuestion"), 
00513                                                                          array("editQuestion", "cancelExplorer", "linkChilds", "addGIT", "addST",
00514                                                                                          "addPG",
00515                                                                                          "editQuestion", "addMaterial", "removeMaterial", "save", "cancel"
00516                                                                                  ),
00517                                                                          "$guiclass");
00518                 }
00519 
00520                 switch ($guiclass)
00521                 {
00522                         case "surveynominalquestiongui":
00523                         case "surveyordinalquestiongui":
00524                                 if ($this->object->getId() > 0) 
00525                                 {
00526                                         $ilTabs->addTarget("categories",
00527                                                                                          $this->ctrl->getLinkTargetByClass("$guiclass", "categories"), 
00528                                                                                          array("categories", "addCategory", "insertBeforeCategory",
00529                                                                                                          "insertAfterCategory", "moveCategory", "deleteCategory",
00530                                                                                                          "saveCategories", "savePhrase", "addPhrase",
00531                                                                                                          "savePhrase", "addSelectedPhrase", "cancelViewPhrase", "confirmSavePhrase",
00532                                                                                                          "cancelSavePhrase",
00533                                                                                                          "confirmDeleteCategory", "cancelDeleteCategory"
00534                                                                                                  ),
00535                                                                                          $guiclass
00536                                         );
00537                                 }
00538                                 break;
00539                 }
00540                 
00541                 if ($this->object->getId() > 0) 
00542                 {
00543                         $title = $this->lng->txt("edit") . " &quot;" . $this->object->getTitle() . "&quot";
00544                 } 
00545                 else 
00546                 {
00547                         $title = $this->lng->txt("create_new") . " " . $this->lng->txt($this->getQuestionType());
00548                 }
00549 
00550                 $this->tpl->setVariable("HEADER", $title);
00551         }
00552 
00561         function getQuestionType()
00562         {
00563                 return $this->object->getQuestionType();
00564         }
00565 
00574         function getCumulatedResultRow($counter, $css_class, $survey_id)
00575         {
00576                 // overwrite in parent classes
00577                 return "";
00578         }
00579 }
00580 ?>