ILIAS Release_3_9_x_branch .rev 46835: Modules/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 
00032 require_once "./classes/class.ilObjectGUI.php";
00033 
00034 class ilObjCourseGroupingGUI
00035 {
00036         var $content_obj;
00037         var $tpl;
00038         var $ctrl;
00039         var $lng;
00044         function ilObjCourseGroupingGUI(&$content_obj,$a_obj_id = 0)
00045         {
00046                 global $tpl,$ilCtrl,$lng,$ilObjDataCache;
00047 
00048                 $this->tpl =& $tpl;
00049                 $this->ctrl =& $ilCtrl;
00050                 $this->lng =& $lng;
00051 
00052                 $this->type = "crsg";
00053                 $this->content_obj =& $content_obj;
00054                 $this->content_type = $ilObjDataCache->lookupType($this->content_obj->getId());
00055 
00056                 $this->id = $a_obj_id;
00057                 $this->ctrl->saveParameter($this,'obj_id');
00058 
00059                 $this->__initGroupingObject();
00060 
00061         }
00062 
00063         function getContentType()
00064         {
00065                 return $this->content_type;
00066         }
00067 
00068         function listGroupings()
00069         {
00070                 global $ilErr,$ilAccess,$ilObjDataCache;
00071 
00072                 if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
00073                 {
00074                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00075                 }
00076 
00077                 $this->tpl->addBlockFile("ADM_CONTENT","adm_content","tpl.groupings.html",'Modules/Course');
00078                 
00079                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00080                 $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
00081                 $this->tpl->setVariable("HEADER_UNAMBIGUOUSNESS",$this->lng->txt('unambiguousness'));
00082                 $this->tpl->setVariable("ASSIGNED_ITEMS",$this->lng->txt('groupings_assigned_obj_'.$this->getContentType()));
00083 
00084                 $items = ilObjCourseGrouping::_getVisibleGroupings($this->content_obj->getId());
00085 
00086                 // Fill table
00087                 $counter = 0;
00088                 $has_access = false;
00089                 foreach($items as $grouping_id)
00090                 {
00091                         $tmp_obj =& new ilObjCourseGrouping($grouping_id);
00092 
00093                         // Description
00094                         if(strlen($tmp_obj->getDescription()))
00095                         {
00096                                 $this->tpl->setCurrentBlock("description");
00097                                 $this->tpl->setVariable("DESCRIPTION_GRP",$tmp_obj->getDescription());
00098                                 $this->tpl->parseCurrentBlock();
00099                         }
00100 
00101                         // Assigned items
00102                         $assigned_items = $tmp_obj->getAssignedItems();
00103                         if($num_items = count($assigned_items))
00104                         {
00105                                 $this->tpl->setVariable("ASSIGNED_COURSES",$this->lng->txt('crs_grp_assigned_courses_info'));
00106                         }
00107                         else
00108                         {
00109                                 $this->tpl->setVariable("ASSIGNED_COURSES",$this->lng->txt('crs_grp_no_courses_assigned'));
00110                         }
00111                         
00112                         foreach($assigned_items as $condition)
00113                         {
00114                                 $this->tpl->setCurrentBlock("item");
00115                                 $this->tpl->setVariable("ITEM_TITLE",$ilObjDataCache->lookupTitle($condition['target_obj_id']));
00116                                 $this->tpl->parseCurrentBlock();
00117                         }
00118 
00119 
00120                         $this->tpl->setCurrentBlock("grouping_row");
00121                         $this->tpl->setVariable("GRP_TITLE",$tmp_obj->getTitle());
00122 
00123                         if(ilObjCourseGrouping::_checkAccess($grouping_id))
00124                         {
00125                                 $has_access = true;
00126                                 $this->tpl->setVariable("CHECK_GRP",ilUtil::formCheckbox(0,'grouping[]',$grouping_id));
00127                         }
00128                         $this->tpl->setVariable("AMB_GRP",$this->lng->txt($tmp_obj->getUniqueField()));
00129                         $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
00130 
00131                         $this->ctrl->setParameterByClass('ilobjcoursegroupinggui','obj_id',$grouping_id);
00132                         $this->tpl->setVariable("EDIT_LINK",$this->ctrl->getLinkTargetByClass('ilobjcoursegroupinggui','edit'));
00133 
00134                         $this->tpl->parseCurrentBlock();
00135                 }
00136 
00137                 if(count($items) and $has_access)
00138                 {
00139                         $this->tpl->setCurrentBlock("has_items");
00140                         $this->tpl->setVariable("ARR_DOWNRIGHT",ilUtil::getImagePath('arrow_downright.gif'));
00141                         $this->tpl->setVariable("EDIT",$this->lng->txt('edit'));
00142                         $this->tpl->setVariable("DELETE",$this->lng->txt('delete'));
00143                         $this->tpl->setVariable("ACTIONS",$this->lng->txt('actions'));
00144                         $this->tpl->parseCurrentBlock();
00145                 }
00146                 elseif(!count($items))
00147                 {
00148                         // no items
00149                         $this->tpl->setCurrentBlock("no_items");
00150                         $this->tpl->setVariable("TXT_NO_ITEMS",$this->lng->txt('no_datasets'));
00151                         $this->tpl->parseCurrentBlock();
00152                 }
00153 
00154                 $this->tpl->setVariable("ADD",$this->lng->txt('crs_add_grouping'));
00155 
00156         }
00157 
00158 
00159         function askDeleteGrouping()
00160         {
00161                 global $ilErr,$ilAccess,$ilObjDataCache;
00162 
00163                 if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
00164                 {
00165                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00166                 }
00167 
00168                 if(!count($_POST['grouping']))
00169                 {
00170                         ilUtil::sendInfo($this->lng->txt('crs_grouping_select_one'));
00171                         $this->listGroupings();
00172                         
00173                         return false;
00174                 }
00175 
00176                 ilUtil::sendInfo($this->lng->txt('crs_grouping_delete_sure'));
00177                 $this->tpl->addBlockFile("ADM_CONTENT","adm_content","tpl.crs_ask_delete_goupings.html",'Modules/Course');
00178 
00179                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00180                 $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
00181                 $this->tpl->setVariable("BTN_CANCEL",$this->lng->txt('cancel'));
00182                 $this->tpl->setVariable("BTN_DELETE",$this->lng->txt('delete'));
00183                 
00184                 
00185                 $counter = 0;
00186                 foreach($_POST['grouping'] as $grouping_id)
00187                 {
00188                         $tmp_obj =& new ilObjCourseGrouping($grouping_id);
00189 
00190                         if(strlen($tmp_obj->getDescription()))
00191                         {
00192                                 $this->tpl->setCurrentBlock("description");
00193                                 $this->tpl->setVariable("DESCRIPTION_GRP",$tmp_obj->getDescription());
00194                                 $this->tpl->parseCurrentBlock();
00195                         }
00196                         $this->tpl->setCurrentBlock("grouping_row");
00197                         $this->tpl->setVariable("GRP_TITLE",$tmp_obj->getTitle());
00198                         $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
00199                         $this->tpl->parseCurrentBlock();
00200                 }
00201                 $_SESSION['crs_grouping_del'] = $_POST['grouping'];
00202         }
00203 
00204         function deleteGrouping()
00205         {
00206                 global $ilErr,$ilAccess,$ilObjDataCache;
00207 
00208                 if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
00209                 {
00210                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00211                 }
00212 
00213                 if(!count($_SESSION['crs_grouping_del']))
00214                 {
00215                         ilUtil::sendInfo('No grouping selected');
00216                         $this->listGroupings();
00217 
00218                         return false;
00219                 }
00220                 foreach($_SESSION['crs_grouping_del'] as $grouping_id)
00221                 {
00222                         $tmp_obj =& new ilObjCourseGrouping((int) $grouping_id);
00223                         $tmp_obj->delete();
00224                 }
00225                 ilUtil::sendInfo($this->lng->txt('crs_grouping_deleted'));
00226                 $this->listGroupings();
00227                 
00228                 unset($_SESSION['crs_grouping_del']);
00229                 return true;
00230         }
00231 
00232         function create()
00233         {
00234                 $options = array('login' => 'login',
00235                                                  'email' => 'email',
00236                                                  'matriculation' => 'matriculation');
00237 
00238 
00239                 $title = ilUtil::prepareFormOutput($_POST["title"],true);
00240                 $desc  = ilUtil::stripSlashes($_POST["description"]);
00241                 $unique = $_POST['unique'] ? $_POST['unique'] : 'login';
00242 
00243                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_add.html",'Modules/Course');
00244 
00245                 $this->tpl->setVariable("TITLE",$title);
00246                 $this->tpl->setVariable("DESC",$desc);
00247                 $this->tpl->setVariable("UNAM_SELECT",ilUtil::formSelect($unique,'unique',$options));
00248 
00249                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00250                 $this->tpl->setVariable("TXT_HEADER",$this->lng->txt('crs_add_grouping'));
00251                 $this->tpl->setVariable("TXT_TITLE",$this->lng->txt('title'));
00252                 $this->tpl->setVariable("TXT_DESC",$this->lng->txt('description'));
00253                 $this->tpl->setVariable("TXT_UNAM",$this->lng->txt('unambiguousness'));
00254                 $this->tpl->setVariable("TXT_REQUIRED_FLD",$this->lng->txt('required_field'));
00255                 $this->tpl->setVariable("CMD_SUBMIT",'add');
00256                 $this->tpl->setVariable("TXT_SUBMIT",$this->lng->txt('btn_add'));
00257                 $this->tpl->setVariable("TXT_CANCEL",$this->lng->txt('cancel'));
00258         }
00259 
00260         function cancel()
00261         {
00262                 // unset session variables
00263                 unset($_SESSION['crs_grouping_del']);
00264 
00265                 $this->listGroupings();
00266                 return true;
00267         }
00268 
00269         function add()
00270         {
00271                 if(!$_POST['title'])
00272                 {
00273                         ilUtil::sendInfo($this->lng->txt('crs_grp_enter_title'));
00274                         $this->create();
00275                         
00276                         return false;
00277                 }
00278 
00279                 $this->grp_obj->setTitle(ilUtil::stripSlashes($_POST['title']));
00280                 $this->grp_obj->setDescription(ilUtil::stripSlashes($_POST['description']));
00281                 $this->grp_obj->setUniqueField($_POST['unique']);
00282                 if($this->grp_obj->create($this->content_obj->getRefId(),$this->content_obj->getId()))
00283                 {
00284                         ilUtil::sendInfo($this->lng->txt('crs_grp_added_grouping'));
00285                 }
00286                 else
00287                 {
00288                         ilUtil::sendInfo($this->lng->txt('crs_grp_err_adding_grouping'));
00289                 }
00290 
00291                 $this->listGroupings();
00292                 return false;
00293         }
00294         
00295         function edit($a_grouping_id = 0)
00296         {
00297                 global $ilErr,$ilAccess,$ilObjDataCache;
00298 
00299                 if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
00300                 {
00301                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00302                 }
00303                 if($a_grouping_id)
00304                 {
00305                         $grouping_id = $a_grouping_id;
00306                 }
00307                 elseif(count($_POST['grouping']) != 1)
00308                 {
00309                         ilUtil::sendInfo($this->lng->txt('grouping_select_exactly_one'));
00310                         $this->listGroupings();
00311                         return false;
00312                 }
00313                 else
00314                 {
00315                         $grouping_id = (int) $_POST['grouping'][0];
00316                 }
00317 
00318                 $options = array('login' => 'login',
00319                                                  'email' => 'email',
00320                                                  'matriculation' => 'matriculation');
00321 
00322                 $tmp_grouping = new ilObjCourseGrouping($grouping_id);
00323 
00324                 $title = isset($_POST['title']) ? ilUtil::stripSlashes($_POST['title']) : $tmp_grouping->getTitle();
00325                 $description  = isset($_POST["description"]) ? ilUtil::stripSlashes($_POST['description']) : $tmp_grouping->getDescription();
00326                 $unique = $_POST['unique'] ? $_POST['unique'] : $tmp_grouping->getUniqueField();
00327 
00328                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_edit.html",'Modules/Course');
00329 
00330                 $this->ctrl->setParameter($this,'obj_id',$grouping_id);
00331                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00332                 $this->tpl->setVariable("EDIT_GROUPING",$this->lng->txt('edit_grouping'));
00333                 $this->tpl->setVariable("BTN_UPDATE",$this->lng->txt('save'));
00334                 $this->tpl->setVariable("BTN_ADD",$this->lng->txt('grouping_change_assignment'));
00335                 $this->tpl->setVariable("BTN_CANCEL",$this->lng->txt('cancel'));
00336                 $this->tpl->setVariable("TXT_TITLE",$this->lng->txt('title'));
00337                 $this->tpl->setVariable("TXT_DESCRIPTION",$this->lng->txt('description'));
00338 
00339                 $this->tpl->setVariable("TXT_UNAM",$this->lng->txt('unambiguousness'));
00340                 $this->tpl->setVariable("UNAM_SELECT",ilUtil::formSelect($unique,'unique',$options));
00341 
00342                 $this->tpl->setVariable("TITLE",$title);
00343                 $this->tpl->setVariable("DESCRIPTION",$description);
00344 
00345 
00346                 $items = $tmp_grouping->getAssignedItems();
00347                 foreach($items as $cond_data)
00348                 {
00349                         $this->tpl->setCurrentBlock("list_courses");
00350                         $this->tpl->setVariable("LIST_CRS_TITLE",$ilObjDataCache->lookupTitle($cond_data['target_obj_id']));
00351                         $this->tpl->parseCurrentBlock();
00352                 }
00353                 if(count($items))
00354                 {
00355                         $this->tpl->setCurrentBlock("assigned");
00356                         $this->tpl->setVariable("ASS_COURSES",$this->lng->txt('crs_grp_table_assigned_courses'));
00357                         $this->tpl->parseCurrentBlock();
00358                 }
00359                 else
00360                 {
00361                         $this->tpl->setCurrentBlock("no_assigned");
00362                         $this->tpl->setVariable("MESSAGE_NO_COURSES",$this->lng->txt('crs_grp_no_courses_assigned'));
00363                         $this->tpl->parseCurrentBlock();
00364                 }
00365         }
00366 
00367 
00368         function update()
00369         {
00370                 global $ilErr,$ilAccess,$ilObjDataCache;
00371 
00372                 if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
00373                 {
00374                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00375                 }
00376 
00377                 if(!$_GET['obj_id'])
00378                 {
00379                         ilUtil::sendInfo($this->lng->txt('crs_grp_no_grouping_id_given'));
00380                         $this->listGroupings();
00381                         return false;
00382                 }
00383                 if(!$_POST['title'])
00384                 {
00385                         ilUtil::sendInfo($this->lng->txt('crs_grp_enter_title'));
00386                         $this->edit((int) $_GET['obj_id']);
00387                         return false;
00388                 }
00389                 
00390                 $tmp_grouping = new ilObjCourseGrouping($_GET['obj_id']);
00391                 $tmp_grouping->setTitle(ilUtil::stripSlashes($_POST['title']));
00392                 $tmp_grouping->setDescription(ilUtil::stripSlashes($_POST['description']));
00393                 $tmp_grouping->setUniqueField($_POST['unique']);
00394                 $tmp_grouping->update();
00395 
00396                 ilUtil::sendInfo($this->lng->txt('settings_saved'));
00397                 $this->listGroupings();
00398 
00399                 return true;
00400         }
00401 
00402         function selectCourse()
00403         {
00404                 global $ilErr,$ilAccess,$ilObjDataCache,$tree,$ilUser;
00405 
00406                 if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
00407                 {
00408                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00409                 }
00410 
00411                 if(!$_GET['obj_id'])
00412                 {
00413                         ilUtil::sendInfo($this->lng->txt('crs_grp_no_grouping_id_given'));
00414                         $this->listGroupings();
00415                         return false;
00416                 }
00417 
00418                 $tmp_grouping = new ilObjCourseGrouping((int) $_GET['obj_id']);
00419 
00420                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_select_crs.html",'Modules/Course');
00421                 
00422                 $this->ctrl->setParameter($this,'obj_id',(int) $_GET['obj_id']);
00423                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00424                 $this->tpl->setVariable("TBL_TITLE",$this->lng->txt('crs_grp_assign_crs').' ('.$this->grp_obj->getTitle().')');
00425                 $this->tpl->setVariable("BTN_ASSIGN",$this->lng->txt('grouping_change_assignment'));
00426                 $this->tpl->setVariable("BTN_CANCEL",$this->lng->txt('cancel'));
00427                 $this->tpl->setVariable("IMG_ARROW",ilUtil::getImagePath('arrow_downright.gif'));
00428                 $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
00429 
00430                 $counter = 0;
00431                 $items = ilUtil::_getObjectsByOperations($this->getContentType(),
00432                                                                                                  'write',
00433                                                                                                  $ilUser->getId(),-1);
00434                                                                                                  
00435                 $items_obj_id = array();
00436                 $items_ids = array();
00437                 foreach($items as $ref_id)
00438                 {
00439                         $obj_id =  $ilObjDataCache->lookupObjId($ref_id);
00440                         $items_ids[$obj_id] = $ref_id;
00441                         $items_obj_id[] = $obj_id;
00442                 }
00443                 $items_obj_id = ilUtil::_sortIds($items_obj_id,'object_data','title','obj_id');
00444                 foreach($items_obj_id as $obj_id)
00445                 {
00446                         $item_id = $items_ids[$obj_id];
00447                         if($tree->checkForParentType($item_id,'adm'))
00448                         {
00449                                 continue;
00450                         }
00451                         $obj_id = $ilObjDataCache->lookupObjId($item_id);
00452                         $title = $ilObjDataCache->lookupTitle($obj_id);
00453                         $description = $ilObjDataCache->lookupDescription($obj_id);
00454 
00455                         $assigned = $tmp_grouping->isAssigned($obj_id) ? 1 : 0;
00456 
00457                         if(strlen($description))
00458                         {
00459                                 $this->tpl->setCurrentBlock("description");
00460                                 $this->tpl->setVariable("DESCRIPTION_CRS",$description);
00461                                 $this->tpl->parseCurrentBlock();
00462                         }
00463 
00464                         $this->tpl->setCurrentBlock("crs_row");
00465                         $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
00466                         $this->tpl->setVariable("CHECK_CRS",ilUtil::formCheckbox($assigned,'crs_ids[]',$item_id));
00467                         $this->tpl->setVariable("CRS_TITLE",$title);
00468 
00469                         $path = $this->__formatPath($tree->getPathFull($item_id));
00470                         $this->tpl->setVariable("CRS_PATH",$this->lng->txt('path').": ".$path);
00471                         $this->tpl->parseCurrentBlock();
00472                 }
00473 
00474                 return true;
00475         }
00476 
00477         function assignCourse()
00478         {
00479                 global $ilErr,$ilAccess,$ilObjDataCache,$tree,$ilUser;
00480 
00481                 if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
00482                 {
00483                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00484                 }
00485 
00486                 if(!$_GET['obj_id'])
00487                 {
00488                         ilUtil::sendInfo($this->lng->txt('crs_grp_no_grouping_id_given'));
00489                         $this->listGroupings();
00490                         return false;
00491                 }
00492 
00493                 $container_ids = is_array($_POST['crs_ids']) ? $_POST['crs_ids'] : array();
00494 
00495                 $tmp_grouping = new ilObjCourseGrouping((int) $_GET['obj_id']);
00496 
00497                 // delete all existing conditions
00498                 include_once './classes/class.ilConditionHandler.php';
00499                 
00500                 $condh = new ilConditionHandler();
00501                 $condh->deleteByObjId((int) $_GET['obj_id']);
00502 
00503                 $added = 0;
00504                 foreach($container_ids as $course_ref_id)
00505                 {
00506                         $tmp_crs =& ilObjectFactory::getInstanceByRefId($course_ref_id);
00507                         $tmp_condh =& new ilConditionHandler();
00508                         $tmp_condh->enableAutomaticValidation(false);
00509 
00510                         $tmp_condh->setTargetRefId($course_ref_id);
00511                         $tmp_condh->setTargetObjId($tmp_crs->getId());
00512                         $tmp_condh->setTargetType($this->getContentType());
00513                         $tmp_condh->setTriggerRefId(0);
00514                         $tmp_condh->setTriggerObjId($this->id);
00515                         $tmp_condh->setTriggerType('crsg');
00516                         $tmp_condh->setOperator('not_member');
00517                         $tmp_condh->setValue($this->grp_obj->getUniqueField());
00518 
00519                         if(!$tmp_condh->checkExists())
00520                         {
00521                                 $tmp_condh->storeCondition();
00522                                 ++$added;
00523                         }
00524                 }
00525                 $this->edit((int) $_GET['obj_id']);
00526         }       
00527                 
00528 
00529         function &executeCommand()
00530         {
00531                 global $ilTabs;
00532 
00533                 $ilTabs->setTabActive('crs_groupings');
00534 
00535                 $cmd = $this->ctrl->getCmd();
00536                 if (!$cmd = $this->ctrl->getCmd())
00537                 {
00538                         $cmd = "edit";
00539                 }
00540                 $this->$cmd();
00541         }
00542 
00543         // PRIVATE
00544         function __initGroupingObject()
00545         {
00546                 include_once './Modules/Course/classes/class.ilObjCourseGrouping.php';
00547 
00548                 $this->grp_obj =& new ilObjCourseGrouping($this->id);
00549         }
00550 
00551         function __formatPath($a_path_arr)
00552         {
00553                 $counter = 0;
00554                 foreach($a_path_arr as $data)
00555                 {
00556                         if(!$counter++)
00557                         {
00558                                 continue;
00559                         }
00560                         if($counter++ > 2)
00561                         {
00562                                 $path .= " -> ";
00563                         }
00564                         $path .= $data['title'];
00565                 }
00566 
00567                 return $path;
00568         }
00569 
00570 } // END class.ilObjCourseGrouping
00571 ?>