ILIAS Release_3_7_x_branch .rev 46817: course/classes/class.ilCourseItemAdministrationGUI.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 
00037 class ilCourseItemAdministrationGUI
00038 {
00039         var $container_obj;
00040         var $tpl;
00041         var $ctrl;
00042         var $lng;
00043 
00048         function ilCourseItemAdministrationGUI(&$container_obj,$a_item_id)
00049         {
00050                 global $tpl,$ilCtrl,$lng,$ilObjDataCache,$ilErr,$ilTabs;
00051 
00052                 $this->tpl =& $tpl;
00053                 $this->ctrl =& $ilCtrl;
00054                 $this->lng =& $lng;
00055                 $this->lng->loadLanguageModule('crs');
00056                 $this->err =& $ilErr;
00057                 $this->tabs_gui =& $ilTabs;
00058 
00059                 $this->container_obj =& $container_obj;
00060 
00061                 $this->item_id = $a_item_id;
00062                 $this->ctrl->saveParameter($this,'item_id');
00063 
00064                 $this->__initItem();
00065         }
00066 
00067         function &executeCommand()
00068         {
00069                 global $ilTabs;
00070 
00071                 $this->__setTabs();
00072 
00073                 $cmd = $this->ctrl->getCmd();
00074 
00075                 // Check if item id is given and valid
00076                 if(!$this->__checkItemId())
00077                 {
00078                         sendInfo($this->lng->txt("crs_no_item_id_given"),true);
00079                         $this->ctrl->returnToParent($this);
00080                 }
00081 
00082                 switch($this->ctrl->getNextClass($this))
00083                 {
00084 
00085                         case 'ilconditionhandlerinterface':
00086                                 
00087                                 // preconditions for single course items
00088                                 include_once './classes/class.ilConditionHandlerInterface.php';
00089                                 $this->ctrl->saveParameter($this,'item_id',$_GET['item_id']);
00090                                 $new_gui =& new ilConditionHandlerInterface($this,(int) $_GET['item_id']);
00091                                 $this->ctrl->forwardCommand($new_gui);
00092                                 $this->tabs_gui->setTabActive('preconditions');
00093                                 break;
00094 
00095                         default:
00096                                 $this->tabs_gui->setTabActive('timings');
00097                                 if(!$cmd)
00098                                 {
00099                                         $cmd = 'edit';
00100                                 }
00101                                 $this->$cmd();
00102                                 $this->tabs_gui->setTabActive('timings');
00103                                 break;
00104                 }
00105         }
00106 
00107         function getItemId()
00108         {
00109                 return $this->item_id;
00110         }
00111 
00112         function cancel()
00113         {
00114                 $this->ctrl->returnToParent($this);
00115         }
00116 
00117         function edit()
00118         {
00119                 global $ilErr,$ilAccess,$ilObjDataCache;
00120 
00121                 if(!$ilAccess->checkAccess('write','',$this->container_obj->getRefId()))
00122                 {
00123                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00124                 }
00125 
00126                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_edit_item.html","course");
00127                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
00128                 $item_data = $this->items_obj->getItem($this->getItemId());
00129                 $title = $ilObjDataCache->lookupTitle($item_data['obj_id']);
00130 
00131                 if(isset($_POST['cmd']))
00132                 {
00133                         $timing_type = $_POST['timing_type'];
00134                         $visible = $_POST['visible'];
00135                         $changeable = $_POST['changeable'];
00136                         $timing_start = $this->__toUnix($_POST['timing_start'],$_POST['timing_start_time']);
00137                         $timing_end = $this->__toUnix($_POST['timing_end'],$_POST['timing_end_time']);
00138                         $suggestion_start = $this->__toUnix($_POST['sug_start']);
00139                         $suggestion_end = $this->__toUnix($_POST['sug_end']);
00140                         $earliest_start = $this->__toUnix($_POST['early_start']);
00141                         $latest_end = $this->__toUnix($_POST['late_end']);
00142                 }
00143                 else
00144                 {
00145                         $timing_type = $item_data['timing_type'];
00146                         $visible = $item_data['visible'];
00147                         $changeable = $item_data['changeable'];
00148                         $timing_start = $item_data['timing_start'];
00149                         $timing_end = $item_data['timing_end'];
00150                         $suggestion_start = $item_data['suggestion_start'];
00151                         $suggestion_end = $item_data['suggestion_end'];
00152                         $earliest_start = $item_data['earliest_start'];
00153                         $latest_end = $item_data['latest_end'];
00154                 }
00155 
00156                 // SET TEXT VARIABLES
00157                 $this->tpl->setVariable("ALT_IMG",$this->lng->txt("obj_".$ilObjDataCache->lookupType($item_data['obj_id'])));
00158                 $this->tpl->setVariable("TYPE_IMG",ilUtil::getImagePath("icon_".$ilObjDataCache->lookupType($item_data['obj_id']).".gif"));
00159                 $this->tpl->setVariable("TITLE",$ilObjDataCache->lookupTitle($item_data['obj_id']));
00160                 $this->tpl->setVariable("EDIT_TIMINGS",$this->lng->txt('crs_edit_timings'));
00161                 $this->tpl->setVariable("TXT_TIMINGS",$this->lng->txt('crs_timings_disabled'));
00162                 $this->tpl->setVariable("INFO_DEACTIVATED",$this->lng->txt('crs_timings_disabled_info'));
00163                 $this->tpl->setVariable("TXT_BEGIN",$this->lng->txt('crs_timings_start'));
00164                 $this->tpl->setVariable("TXT_END",$this->lng->txt('crs_timings_END'));
00165                 $this->tpl->setVariable("TXT_ACTIVATION_ENABLED",$this->lng->txt('crs_timings_availability_enabled'));
00166                 $this->tpl->setVariable("TXT_PRESETTING",$this->lng->txt('crs_timings_presetting_tbl'));
00167                 $this->tpl->setVariable("TXT_SUG_BEGIN",$this->lng->txt('crs_timings_sug_begin'));
00168                 $this->tpl->setVariable("TXT_SUG_END",$this->lng->txt('crs_suggestion_end'));
00169                 $this->tpl->setVariable("TXT_EARLY_BEGIN",$this->lng->txt('crs_timings_early_begin'));
00170                 $this->tpl->setVariable("TXT_LATE_END",$this->lng->txt('crs_timings_late_end'));
00171                 $this->tpl->setVariable("TXT_TIME",$this->lng->txt('time'));
00172 
00173 
00174 
00175                 // Disabled
00176                 $this->tpl->setVariable("TXT_AVAILABILITY",$this->lng->txt('crs_timings_availability_tbl'));
00177                 $this->tpl->setVariable("TXT_TIMINGS_DEACTIVATED",$this->lng->txt('crs_timings_deactivated'));
00178                 $this->tpl->setVariable("RADIO_DEACTIVATE",ilUtil::formRadioButton($timing_type == IL_CRS_TIMINGS_DEACTIVATED,
00179                                                                                                                                                    'timing_type',IL_CRS_TIMINGS_DEACTIVATED));
00180 
00181                 // Activation
00182                 $this->tpl->setVariable("RADIO_ACTIVATION",ilUtil::formRadioButton($timing_type == IL_CRS_TIMINGS_ACTIVATION,
00183                                                                                                                                                    'timing_type',IL_CRS_TIMINGS_ACTIVATION));
00184                 $this->tpl->setVariable("TXT_TIMINGS_ACTIVATION",$this->lng->txt('crs_timings_availability'));
00185                 $this->tpl->setVariable("INFO_AVAILABILITY",$this->lng->txt('crs_item_availability_info'));
00186 
00187                 $this->tpl->setVariable("CHECK_VISIBILITY",ilUtil::formCheckbox($visible,
00188                                                                                                                                                 'visible',1));
00189                 $this->tpl->setVariable("TXT_VISIBILITY",$this->lng->txt('crs_timings_visibility'));
00190 
00191                 // Timings
00192                 $this->tpl->setVariable("RADIO_TIMINGS",ilUtil::formRadioButton($timing_type == IL_CRS_TIMINGS_PRESETTING,
00193                                                                                                                                                 'timing_type',IL_CRS_TIMINGS_PRESETTING));
00194                 $this->tpl->setVariable("TXT_TIMINGS_PRESETTING",$this->lng->txt('crs_timings_presetting'));
00195                 $this->tpl->setVariable("INFO_PRESETTING",$this->lng->txt('crs_item_presetting_info'));
00196 
00197                 $this->tpl->setVariable("CHECK_CHANGE",ilUtil::formCheckbox($changeable,'changeable',1));
00198                 $this->tpl->setVariable("TXT_CHANGE",$this->lng->txt('crs_timings_changeable'));
00199 
00200                 // Start
00201                 $this->tpl->setVariable("TXT_START",$this->lng->txt('crs_timings_start'));
00202 
00203                 $date = $this->__prepareDateSelect($timing_start);
00204                 $this->tpl->setVariable("START_DATE_SELECT",
00205                                                                 ilUtil::makeDateSelect('timing_start',$date['y'],$date['m'],$date['d'],date('Y',time())));
00206 
00207                 $date = $this->__prepareTimeSelect($timing_start);
00208                 $this->tpl->setVariable("START_TIME_SELECT",
00209                                                                 ilUtil::makeTimeSelect('timing_start_time',true,$date['h'],$date['m'],0,false));
00210 
00211                 // End
00212                 $date = $this->__prepareDateSelect($timing_end);
00213                 $this->tpl->setVariable("END_DATE_SELECT",
00214                                                                 ilUtil::makeDateSelect('timing_end',$date['y'],$date['m'],$date['d'],date('Y',time())));
00215 
00216                 $date = $this->__prepareTimeSelect($timing_end);
00217                 $this->tpl->setVariable("END_TIME_SELECT",
00218                                                                 ilUtil::makeTimeSelect('timing_end_time',true,$date['h'],$date['m'],0,false));
00219 
00220                 // End
00221                 $this->tpl->setVariable("TXT_END",$this->lng->txt('crs_timings_end'));
00222 
00223                 // Suggestion Start
00224                 $date = $this->__prepareDateSelect($suggestion_start);
00225                 $this->tpl->setVariable("SUG_START_SELECT",
00226                                                                 ilUtil::makeDateSelect('sug_start',$date['y'],$date['m'],$date['d'],date('Y',time())));
00227                 
00228                 $date = $this->__prepareDateSelect($suggestion_end);
00229                 $this->tpl->setVariable("SUG_END_SELECT",
00230                                                                 ilUtil::makeDateSelect('sug_end',$date['y'],$date['m'],$date['d'],date('Y',time())));
00231 
00232                 // Earliest Latest
00233                 $date = $this->__prepareDateSelect($earliest_start);
00234                 $this->tpl->setVariable("EARLY_SELECT",
00235                                                                 ilUtil::makeDateSelect('early_start',$date['y'],$date['m'],$date['d'],date('Y',time())));
00236 
00237                 $date = $this->__prepareDateSelect($latest_end);
00238                 $this->tpl->setVariable("LATE_SELECT",
00239                                                                 ilUtil::makeDateSelect('late_end',$date['y'],$date['m'],$date['d'],date('Y',time())));
00240 
00241                 $this->tpl->setVariable("TXT_CANCEL",$this->lng->txt("cancel"));
00242                 $this->tpl->setVariable("TXT_SAVE",$this->lng->txt("save"));
00243         }
00244 
00245         function update()
00246         {
00247                 global $ilErr,$ilAccess,$ilObjDataCache;
00248 
00249                 if(!$ilAccess->checkAccess('write','',$this->container_obj->getRefId()))
00250                 {
00251                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00252                 }
00253 
00254                 $this->items_obj->setTimingType($_POST['timing_type']);
00255                 $this->items_obj->setTimingStart($this->__toUnix($_POST['timing_start'],$_POST['timing_start_time']));
00256                 $this->items_obj->setTimingEnd($this->__toUnix($_POST['timing_end'],$_POST['timing_end_time']));
00257                 $this->items_obj->setSuggestionStart($this->__toUnix($_POST["sug_start"]));
00258                 $this->items_obj->setSuggestionEnd($this->__toUnix($_POST["sug_end"],array('h' => 23,'m' => 55)));
00259                 $this->items_obj->setEarliestStart($this->__toUnix($_POST['early_start']));
00260                 $this->items_obj->setLatestEnd($this->__toUnix($_POST['late_end'],array('h' => 23,'m' => 55)));
00261                 $this->items_obj->toggleVisible($_POST['visible']);
00262                 $this->items_obj->toggleChangeable($_POST['changeable']);
00263 
00264                 if(!$this->items_obj->validateActivation())
00265                 {
00266                         sendInfo($ilErr->getMessage());
00267                         $this->edit();
00268 
00269                         return true;
00270                 }
00271                 $this->items_obj->update($this->getItemId());
00272                 sendInfo($this->lng->txt('settings_saved'));
00273                 $this->edit();
00274                 #$this->ctrl->returnToParent($this);
00275 
00276                 return true;
00277         }
00278 
00279         function moveUp()
00280         {
00281                 global $ilErr,$ilAccess,$ilObjDataCache;
00282 
00283                 if(!$ilAccess->checkAccess('write','',$this->container_obj->getRefId()))
00284                 {
00285                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00286                 }
00287 
00288                 $this->items_obj->moveUp((int) $this->getItemId());
00289                 sendInfo($this->lng->txt("crs_moved_item"),true);
00290 
00291                 $this->ctrl->returnToParent($this);
00292                 return true;
00293         }
00294 
00295         function moveDown()
00296         {
00297                 global $ilErr,$ilAccess,$ilObjDataCache;
00298 
00299                 if(!$ilAccess->checkAccess('write','',$this->container_obj->getRefId()))
00300                 {
00301                         $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
00302                 }
00303 
00304                 $this->items_obj->moveDown((int) $this->getItemId());
00305                 sendInfo($this->lng->txt("crs_moved_item"),true);
00306 
00307                 $this->ctrl->returnToParent($this);
00308                 return true;
00309         }
00310 
00311 
00312         function __checkItemId()
00313         {
00314                 global $tree;
00315 
00316                 if(!$this->getItemId())
00317                 {
00318                         return false;
00319                 }
00320                 // Item has to be within course
00321                 if(!$tree->checkForParentType($this->getItemId(),'crs'))
00322                 {
00323                         return false;
00324                 }
00325                 return true;
00326         }
00327 
00328         function __initItem()
00329         {
00330                 global $ilObjDataCache,$tree;
00331 
00332                 include_once "./course/classes/class.ilCourseItems.php";
00333                 
00334                 if(!is_object($this->items_obj))
00335                 {
00336                         if($ilObjDataCache->lookupType($this->container_obj->getId()) == 'crs')
00337                         {
00338                                 $this->items_obj =& new ilCourseItems($this->container_obj,$this->container_obj->getRefId());
00339                         }
00340                         else
00341                         {
00342                                 // lookup crs_obj
00343                                 $crs_ref_id = $tree->checkForParentType($this->container_obj->getRefId(),'crs');
00344                                 $crs_obj = ilObjectFactory::getInstanceByRefId($crs_ref_id);
00345 
00346                                 $this->items_obj =& new ilCourseItems($crs_obj,$this->container_obj->getRefId());
00347                         }
00348                 }
00349                 return true;
00350         }
00351 
00352         function __toUnix($date,$time = array())
00353         {
00354                 return mktime($time['h'],$time['m'],0,$date['m'],$date['d'],$date['y']);
00355         }
00356 
00357         function __prepareDateSelect($a_unix_time)
00358         {
00359                 return array('y' => date('Y',$a_unix_time),
00360                                          'm' => date('m',$a_unix_time),
00361                                          'd' => date('d',$a_unix_time));
00362         }
00363 
00364         function __prepareTimeSelect($a_unix_time)
00365         {
00366                 return array('h' => date('G',$a_unix_time),
00367                                          'm' => date('i',$a_unix_time),
00368                                          's' => date('s',$a_unix_time));
00369         }
00370 
00371         function __setTabs()
00372         {
00373                 global $rbacsystem,$ilUser;
00374                 
00375                 $this->tabs_gui->clearTargets();
00376 
00377                 $this->tabs_gui->setBackTarget($this->lng->txt('back_to_'.$this->container_obj->getType().'_content'),
00378                                                                            'repository.php?ref_id='.$this->container_obj->getRefId());
00379                 $this->tabs_gui->addTarget("timings",
00380                                                                    $this->ctrl->getLinkTarget($this,'edit'),
00381                                                                    "edit", get_class($this));
00382                 $this->ctrl->setParameterByClass('ilconditionhandlerinterface','item_id',(int) $_GET['item_id']);
00383                 $this->tabs_gui->addTarget("preconditions",
00384                                                                    $this->ctrl->getLinkTargetByClass('ilConditionHandlerInterface','listConditions'),
00385                                                                    "", "ilConditionHandlerInterface");
00386                 return true;
00387         }
00388 
00389 } // END class.ilCourseItemAdminsitration
00390 ?>