ILIAS Release_3_6_x_branch .rev 46809: course/classes/class.ilObjCourseGroupingGUI.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 
00034 require_once "./classes/class.ilObjectGUI.php";
00035 
00036 class ilObjCourseGroupingGUI
00037 {
00038         var $crs_obj;
00039         var $tpl;
00040         var $ctrl;
00041         var $lng;
00046         function ilObjCourseGroupingGUI(&$crs_obj,$a_obj_id = 0)
00047         {
00048                 global $tpl,$ilCtrl,$lng;
00049 
00050                 $this->tpl =& $tpl;
00051                 $this->ctrl =& $ilCtrl;
00052                 $this->lng =& $lng;
00053 
00054                 $this->type = "crsg";
00055                 $this->crs_obj =& $crs_obj;
00056 
00057                 $this->id = $a_obj_id;
00058                 $this->ctrl->saveParameter($this,'obj_id');
00059 
00060                 $this->__initGroupingObject();
00061 
00062         }
00063 
00064         function create()
00065         {
00066                 $options = array('login' => 'login',
00067                                                  'email' => 'email',
00068                                                  'matriculation' => 'matriculation');
00069 
00070 
00071                 $title = ilUtil::prepareFormOutput($_POST["title"],true);
00072                 $desc  = ilUtil::stripSlashes($_POST["description"]);
00073                 $unique = $_POST['unique'] ? $_POST['unique'] : 'login';
00074 
00075                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_add.html","course");
00076 
00077                 $this->tpl->setVariable("TITLE",$title);
00078                 $this->tpl->setVariable("DESC",$desc);
00079                 $this->tpl->setVariable("UNAM_SELECT",ilUtil::formSelect($unique,'unique',$options));
00080 
00081                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00082                 $this->tpl->setVariable("TXT_HEADER",$this->lng->txt('crs_add_grouping'));
00083                 $this->tpl->setVariable("TXT_TITLE",$this->lng->txt('title'));
00084                 $this->tpl->setVariable("TXT_DESC",$this->lng->txt('description'));
00085                 $this->tpl->setVariable("TXT_UNAM",$this->lng->txt('unambiguousness'));
00086                 $this->tpl->setVariable("TXT_REQUIRED_FLD",$this->lng->txt('required_field'));
00087                 $this->tpl->setVariable("CMD_SUBMIT",'add');
00088                 $this->tpl->setVariable("TXT_SUBMIT",$this->lng->txt('add'));
00089                 $this->tpl->setVariable("TXT_CANCEL",$this->lng->txt('cancel'));
00090         }
00091 
00092         function cancel()
00093         {
00094                 $this->ctrl->redirectByClass('ilObjCourseGUI','listGroupings');
00095         }
00096 
00097         function add()
00098         {
00099                 if(!$_POST['title'])
00100                 {
00101                         sendInfo($this->lng->txt('crs_grp_enter_title'));
00102                         $this->create();
00103                         
00104                         return false;
00105                 }
00106 
00107                 $this->grp_obj->setTitle(ilUtil::stripSlashes($_POST['title']));
00108                 $this->grp_obj->setDescription(ilUtil::stripSlashes($_POST['description']));
00109                 $this->grp_obj->setUniqueField($_POST['unique']);
00110                 if($this->grp_obj->create($this->crs_obj->getRefId(),$this->crs_obj->getId()))
00111                 {
00112                         sendInfo($this->lng->txt('crs_grp_added_grouping'));
00113                         $this->ctrl->redirectByClass('ilObjCourseGUI','listGroupings');
00114                         
00115                         return true;
00116                 }
00117                 sendInfo($this->lng->txt('crs_grp_err_adding_grouping'));
00118                 $this->ctrl->redirectByClass('ilObjCourseGUI','listGroupings');
00119                 
00120                 return false;
00121         }
00122         
00123         function edit()
00124         {
00125                 $options = array('login' => 'login',
00126                                                  'email' => 'email',
00127                                                  'matriculation' => 'matriculation');
00128 
00129                 $title = isset($_POST['title']) ? ilUtil::stripSlashes($_POST['title']) : $this->grp_obj->getTitle();
00130                 $description  = isset($_POST["description"]) ? ilUtil::stripSlashes($_POST['description']) : $this->grp_obj->getDescription();
00131                 $unique = $_POST['unique'] ? $_POST['unique'] : $this->grp_obj->getUniqueField();
00132 
00133                 if(!$this->id)
00134                 {
00135                         sendInfo($this->lng->txt('crs_grp_no_grouping_id_given'));
00136                         $this->ctrl->redirectByClass('ilObjCourseGUI','listGroupings');
00137                         
00138                         return false;
00139                 }
00140                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_edit.html","course");
00141 
00142                 $this->tpl->addBlockfile("BUTTONS", "buttons", "tpl.buttons.html");
00143                 
00144                 // display button
00145                 $this->tpl->setCurrentBlock("btn_cell");
00146                 $this->tpl->setVariable("BTN_LINK",$this->ctrl->getLinkTargetByClass('ilobjcoursegui','listGroupings'));
00147                 $this->tpl->setVariable("BTN_TXT",$this->lng->txt('back'));
00148                 $this->tpl->parseCurrentBlock();
00149 
00150                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00151                 $this->tpl->setVariable("TBL_TITLE_IMG",ilUtil::getImagePath('icon_crs.gif'));
00152                 $this->tpl->setVariable("TBL_TITLE_IMG_ALT",$this->lng->txt('crs_groupings'));
00153                 $this->tpl->setVariable("TBL_TITLE",$this->lng->txt('crs_grouping').' ('.$this->grp_obj->getTitle().')');
00154                 $this->tpl->setVariable("BTN_UPDATE",$this->lng->txt('update'));
00155                 $this->tpl->setVariable("BTN_ADD",$this->lng->txt('crs_add_grp_assignment'));
00156                 $this->tpl->setVariable("TXT_TITLE",$this->lng->txt('title'));
00157                 $this->tpl->setVariable("TXT_DESCRIPTION",$this->lng->txt('description'));
00158 
00159                 $this->tpl->setVariable("TXT_UNAM",$this->lng->txt('unambiguousness'));
00160                 $this->tpl->setVariable("UNAM_SELECT",ilUtil::formSelect($unique,'unique',$options));
00161 
00162                 $this->tpl->setVariable("TITLE",$title);
00163                 $this->tpl->setVariable("DESCRIPTION",$description);
00164 
00165                 if($this->grp_obj->getCountAssignedCourses())
00166                 {
00167                         foreach($this->grp_obj->getAssignedCourses() as $cond_data)
00168                         {
00169                                 if($cond_data['target_ref_id'] == $this->crs_obj->getRefId())
00170                                 {
00171                                         continue;
00172                                 }
00173                                 $tmp_obj =& ilObjectFactory::getInstanceByRefId($cond_data['target_ref_id']);
00174                                 
00175                                 $this->tpl->setCurrentBlock("list_courses");
00176                                 
00177                                 $this->ctrl->setParameter($this,'cond_id',$cond_data['id']);
00178                                 $this->tpl->setVariable("DELETE_LINK",$this->ctrl->getLinkTarget($this,'deleteAssignment'));
00179                                 $this->tpl->setVariable("LIST_CRS_TITLE",$tmp_obj->getTitle());
00180                                 $this->tpl->setVariable("TXT_DELETE",$this->lng->txt('delete'));
00181                                 $this->tpl->parseCurrentBlock();
00182                         }
00183                         $this->tpl->setCurrentBlock("assigned");
00184                         $this->tpl->setVariable("ASS_ROWSPAN",$this->grp_obj->getCountAssignedCourses());
00185                         $this->tpl->setVariable("ASS_COURSES",$this->lng->txt('crs_grp_table_assigned_courses'));
00186                         $this->tpl->setVariable("CRS_TITLE",$this->crs_obj->getTitle());
00187                         $this->tpl->parseCurrentBlock();
00188                 }
00189                 else
00190                 {
00191                         $this->tpl->setCurrentBlock("no_assigned");
00192                         $this->tpl->setVariable("MESSAGE_NO_COURSES",$this->lng->txt('crs_grp_no_courses_assigned'));
00193                         $this->tpl->parseCurrentBlock();
00194                 }
00195         }
00196 
00197         function deleteAssignment()
00198         {
00199                 include_once './classes/class.ilConditionHandler.php';
00200 
00201                 if(!$this->id)
00202                 {
00203                         sendInfo($this->lng->txt('crs_grp_no_grouping_id_given'));
00204                         $this->ctrl->redirectByClass('ilObjCourseGUI','listGroupings');
00205                         
00206                         return false;
00207                 }
00208                 $condh =& new ilConditionHandler();
00209                 $condh->deleteCondition((int) $_GET['cond_id']);
00210 
00211                 // DELETE crs_obj condition if it is the last
00212                 if($this->grp_obj->getCountAssignedCourses() == 1)
00213                 {
00214                         $condh->deleteByObjId($this->id);
00215                 }
00216                 sendInfo($this->lng->txt('crs_grp_deassigned_courses'));
00217                 $this->edit();
00218         }
00219                 
00220 
00221         function selectCourse()
00222         {
00223                 global $tree,$ilUser;
00224 
00225                 if(!$this->id)
00226                 {
00227                         sendInfo($this->lng->txt('crs_grp_no_grouping_id_given'));
00228                         $this->ctrl->redirectByClass('ilObjCourseGUI','listGroupings');
00229                         
00230                         return false;
00231                 }
00232                 if(count($courses = ilUtil::_getObjectsByOperations('crs','write',$ilUser->getId(),-1)) == 1)
00233                 {
00234                         sendInfo($this->lng->txt('crs_grp_no_course_found'));
00235                         $this->edit();
00236 
00237                         return false;
00238                 }
00239                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_select_crs.html","course");
00240 
00241                 $this->tpl->addBlockfile("BUTTONS", "buttons", "tpl.buttons.html");
00242                 
00243                 // display button
00244                 $this->tpl->setCurrentBlock("btn_cell");
00245                 $this->tpl->setVariable("BTN_LINK",$this->ctrl->getLinkTarget($this,'edit'));
00246                 $this->tpl->setVariable("BTN_TXT",$this->lng->txt('back'));
00247                 $this->tpl->parseCurrentBlock();
00248 
00249                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00250                 $this->tpl->setVariable("TBL_TITLE_IMG",ilUtil::getImagePath('icon_crs.gif'));
00251                 $this->tpl->setVariable("TBL_TITLE_IMG_ALT",$this->lng->txt('crs_groupings'));
00252                 $this->tpl->setVariable("TBL_TITLE",$this->lng->txt('crs_grp_assign_crs').' ('.$this->grp_obj->getTitle().')');
00253                 $this->tpl->setVariable("BTN_ASSIGN",$this->lng->txt('crs_grp_assign_crs'));
00254                 $this->tpl->setVariable("IMG_ARROW",ilUtil::getImagePath('arrow_downright.gif'));
00255                 $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
00256 
00257                 $counter = 0;
00258                 foreach($courses as $course_id)
00259                 {
00260                         if($course_id == $this->crs_obj->getRefId())
00261                         {
00262                                 continue;
00263                         }
00264                         if($tree->checkForParentType($course_id,'adm'))
00265                         {
00266                                 continue;
00267                         }
00268                         $tmp_obj =& ilObjectFactory::getInstanceByRefId($course_id);
00269 
00270                         #if(ilObjCourseGrouping::_isInGrouping($tmp_obj->getId()))
00271                         #{
00272                         #       continue;
00273                         #}
00274                         if(strlen($tmp_obj->getDescription()))
00275                         {
00276                                 $this->tpl->setCurrentBlock("description");
00277                                 $this->tpl->setVariable("DESCRIPTION_CRS",$tmp_obj->getDescription());
00278                                 $this->tpl->parseCurrentBlock();
00279                         }
00280 
00281                         $this->tpl->setCurrentBlock("crs_row");
00282                         $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
00283                         $this->tpl->setVariable("CHECK_CRS",ilUtil::formCheckbox(0,'crs_ids[]',$course_id));
00284                         $this->tpl->setVariable("CRS_TITLE",$tmp_obj->getTitle());
00285 
00286                         $path = $this->__formatPath($tree->getPathFull($course_id));
00287                         $this->tpl->setVariable("CRS_PATH",$this->lng->txt('path').": ".$path);
00288 
00289                         
00290                         $this->tpl->parseCurrentBlock();
00291 
00292                 }
00293 
00294                 return true;
00295         }
00296 
00297         function assignCourse()
00298         {
00299                 include_once './classes/class.ilConditionHandler.php';
00300 
00301                 if(!$this->id)
00302                 {
00303                         sendInfo($this->lng->txt('crs_grp_no_grouping_id_given'));
00304                         $this->ctrl->redirectByClass('ilObjCourseGUI','listGroupings');
00305                         
00306                         return false;
00307                 }
00308                 if(!count($_POST['crs_ids']))
00309                 {
00310                         sendInfo($this->lng->txt('crs_grp_no_course_selected'));
00311                         $this->selectCourse();
00312 
00313                         return true;
00314                 }
00315 
00316                 $added = 0;
00317                 foreach($_POST['crs_ids'] as $course_ref_id)
00318                 {
00319                         $tmp_crs =& ilObjectFactory::getInstanceByRefId($course_ref_id);
00320                         $tmp_condh =& new ilConditionHandler();
00321                         $tmp_condh->enableAutomaticValidation(false);
00322 
00323                         $tmp_condh->setTargetRefId($course_ref_id);
00324                         $tmp_condh->setTargetObjId($tmp_crs->getId());
00325                         $tmp_condh->setTargetType('crs');
00326                         $tmp_condh->setTriggerRefId(0);
00327                         $tmp_condh->setTriggerObjId($this->id);
00328                         $tmp_condh->setTriggerType('crsg');
00329                         $tmp_condh->setOperator('not_member');
00330                         $tmp_condh->setValue($this->grp_obj->getUniqueField());
00331 
00332                         if(!$tmp_condh->checkExists())
00333                         {
00334                                 $tmp_condh->storeCondition();
00335                                 ++$added;
00336                         }
00337                 }
00338                 if($added)
00339                 {
00340                         // NOW add the course itself in condition table if it does not exist
00341                         
00342                         $tmp_condh =& new ilConditionHandler();
00343                         $tmp_condh->enableAutomaticValidation(false);
00344 
00345                         $tmp_condh->setTargetRefId($this->crs_obj->getRefId());
00346                         $tmp_condh->setTargetObjId($this->crs_obj->getId());
00347                         $tmp_condh->setTargetType('crs');
00348                         $tmp_condh->setTriggerRefId(0);
00349                         $tmp_condh->setTriggerObjId($this->id);
00350                         $tmp_condh->setTriggerType('crsg');
00351                         $tmp_condh->setOperator('not_member');
00352                         $tmp_condh->setValue($this->grp_obj->getUniqueField());
00353 
00354                         if(!$tmp_condh->checkExists())
00355                         {
00356                                 $tmp_condh->storeCondition();
00357                         }
00358                         sendInfo($this->lng->txt('crs_grp_assigned_courses'));
00359                         $this->edit();
00360 
00361                         return true;
00362                 }
00363                 else
00364                 {
00365                         sendInfo($this->lng->txt('crs_grp_courses_already_assigned'));
00366                         $this->edit();
00367 
00368                         return true;
00369                 }                       
00370         }       
00371                 
00372 
00373         function update()
00374         {
00375                 if(!$this->id)
00376                 {
00377                         sendInfo($this->lng->txt('crs_grp_no_grouping_id_given'));
00378                         $this->ctrl->redirectByClass('ilObjCourseGUI','listGroupings');
00379                         
00380                         return false;
00381                 }
00382                 if(!$_POST['title'])
00383                 {
00384                         sendInfo($this->lng->txt('crs_grp_enter_title'));
00385                         $this->edit();
00386 
00387                         return false;
00388                 }
00389                 $this->grp_obj->setTitle(ilUtil::stripSlashes($_POST['title']));
00390                 $this->grp_obj->setDescription(ilUtil::stripSlashes($_POST['description']));
00391                 $this->grp_obj->setUniqueField($_POST['unique']);
00392 
00393                 $this->grp_obj->update();
00394 
00395                 sendInfo($this->lng->txt('crs_grp_modified_grouping'));
00396                 $this->edit();
00397 
00398                 return true;
00399         }
00400 
00401         function &executeCommand()
00402         {
00403                 global $ilTabs;
00404 
00405                 $ilTabs->setTabActive('crs_groupings');
00406 
00407                 $cmd = $this->ctrl->getCmd();
00408                 if (!$cmd = $this->ctrl->getCmd())
00409                 {
00410                         $cmd = "edit";
00411                 }
00412                 $this->$cmd();
00413         }
00414 
00415         function otherSelectAssign()
00416         {
00417                 include_once './course/classes/class.ilObjCourseGrouping.php';
00418 
00419                 global $rbacsystem,$tree;
00420 
00421                 if(!$rbacsystem->checkAccess("write", $this->crs_obj->getRefId()))
00422                 {
00423                         $this->ilias->raiseError($this->lng->txt("msg_no_perm_write"),$this->ilias->error_obj->MESSAGE);
00424                 }
00425 
00426                 $this->tpl->addBlockFile("ADM_CONTENT","adm_content","tpl.crs_other_assign.html","course");
00427                 $this->tpl->addBlockfile("BUTTONS", "buttons", "tpl.buttons.html");
00428                 
00429                 // display button
00430                 $this->tpl->setCurrentBlock("btn_cell");
00431                 $this->tpl->setVariable("BTN_LINK",$this->ctrl->getLinkTarget($this,'edit'));
00432                 $this->tpl->setVariable("BTN_TXT",$this->lng->txt('back'));
00433                 $this->tpl->parseCurrentBlock();
00434 
00435                 if(!count($groupings = ilObjCourseGrouping::_getAllGroupings($this->crs_obj->getRefId(),false)))
00436                 {
00437                         sendInfo($this->lng->txt('crs_no_groupings_crs_can_be_assigned_to'));
00438                 
00439                         return true;
00440                 }
00441                 
00442                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00443                 $this->tpl->setVariable("TBL_TITLE_IMG",ilUtil::getImagePath('icon_crs.gif'));
00444                 $this->tpl->setVariable("TBL_TITLE_IMG_ALT",$this->lng->txt('crs_groupings'));
00445                 $this->tpl->setVariable("TBL_TITLE",$this->lng->txt('crs_groupings'));
00446                 $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
00447                 $this->tpl->setVariable("HEADER_UNAMBIGUOUSNESS",$this->lng->txt('unambiguousness'));
00448                 $this->tpl->setVariable("IMG_ARROW",ilUtil::getImagePath('arrow_downright.gif'));
00449                 $this->tpl->setVariable("BTN_ASSIGN",$this->lng->txt('crs_grouping_assign'));
00450                 
00451                 
00452                 $counter = 0;
00453                 foreach($groupings as $grouping_id)
00454                 {
00455                         $tmp_obj =& new ilObjCourseGrouping($grouping_id);
00456 
00457                         $tmp_crs = ilObjectFactory::getInstanceByRefId($tmp_obj->getCourseRefId());
00458 
00459                         if(strlen($tmp_obj->getDescription()))
00460                         {
00461                                 $this->tpl->setCurrentBlock("description");
00462                                 $this->tpl->setVariable("DESCRIPTION_GRP",$tmp_obj->getDescription());
00463                                 $this->tpl->parseCurrentBlock();
00464                         }
00465                         foreach($tmp_obj->getAssignedCourses() as $condition)
00466                         {
00467                                 $this->tpl->setCurrentBlock("path");
00468                                 $this->tpl->setVariable("ASS_PATH",'&nbsp;&nbsp;'.
00469                                                                                 $this->__formatPath($tree->getPathFull($condition['target_ref_id'])));
00470                                 $this->tpl->parseCurrentBlock();
00471                         }
00472 
00473                         $disabled = !$rbacsystem->checkAccess('write',$tmp_obj->getCourseRefId());
00474 
00475                         $this->tpl->setCurrentBlock("grouping_row");
00476                         $this->tpl->setVariable("GRP_TITLE",$tmp_obj->getTitle().' ('.$tmp_crs->getTitle().')');
00477                         $this->tpl->setVariable("CHECK_GRP",ilUtil::formCheckbox((int) $tmp_obj->isAssigned($this->crs_obj->getId()),
00478                                                                                                                                          'grouping[]',
00479                                                                                                                                          $grouping_id,
00480                                                                                                                                          $disabled));
00481                                                                                 
00482                         $this->tpl->setVariable("AMB_GRP",$this->lng->txt($tmp_obj->getUniqueField()));
00483                         $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
00484 
00485 
00486                         if($num_courses = $tmp_obj->getCountAssignedCourses())
00487                         {
00488                                 $this->tpl->setVariable("ASSIGNED_COURSES",$this->lng->txt('crs_grp_assigned_courses_info')." <b>$num_courses</b> ");
00489                         }
00490                         else
00491                         {
00492                                 $this->tpl->setVariable("ASSIGNED_COURSES",$this->lng->txt('crs_grp_no_courses_assigned'));
00493                         }
00494                         $this->tpl->parseCurrentBlock();
00495                 }       
00496         }
00497 
00498         function otherAssign()
00499         {
00500                 include_once './course/classes/class.ilObjCourseGrouping.php';
00501 
00502                 global $rbacsystem,$tree;
00503 
00504                 if(!$rbacsystem->checkAccess("write", $this->crs_obj->getRefId()))
00505                 {
00506                         $this->ilias->raiseError($this->lng->txt("msg_no_perm_write"),$this->ilias->error_obj->MESSAGE);
00507                 }
00508                 
00509                 $_POST['grouping'] = $_POST['grouping'] ? $_POST['grouping'] : array();
00510                 foreach(ilObjCourseGrouping::_getAllGroupings($this->crs_obj->getRefId()) as $grouping_id)
00511                 {
00512                         $tmp_obj =& new ilObjCourseGrouping($grouping_id);
00513 
00514                         if($tmp_obj->isAssigned($this->crs_obj->getId()) and !in_array($grouping_id,$_POST['grouping']))
00515                         {
00516                                 $tmp_obj->deassign($this->crs_obj->getRefId(),$this->crs_obj->getId());
00517                                 continue;
00518                         }
00519                         if(!$tmp_obj->isAssigned($this->crs_obj->getId()) and in_array($grouping_id,$_POST['grouping']))
00520                         {
00521                                 $tmp_obj->assign($this->crs_obj->getRefId(),$this->crs_obj->getId());
00522                                 continue;
00523                         }
00524                 }
00525                 sendInfo($this->lng->txt('crs_grouping_modified_assignment'));
00526                 $this->otherSelectAssign();
00527                 
00528                 return true;
00529         }
00530         // PRIVATE
00531         function __initGroupingObject()
00532         {
00533                 include_once './course/classes/class.ilObjCourseGrouping.php';
00534 
00535                 $this->grp_obj =& new ilObjCourseGrouping($this->id);
00536         }
00537 
00538         function __formatPath($a_path_arr)
00539         {
00540                 $counter = 0;
00541                 foreach($a_path_arr as $data)
00542                 {
00543                         if($counter++)
00544                         {
00545                                 $path .= " -> ";
00546                         }
00547                         $path .= $data['title'];
00548                 }
00549 
00550                 return $path;
00551         }
00552 
00553 } // END class.ilObjCourseGrouping
00554 ?>