ILIAS Release_3_9_x_branch .rev 46835: classes/class.ilRegisterGUI.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 
00031 class ilRegisterGUI
00032 {
00033         var $lng;
00034         var $ilias;
00035         var $tpl;
00036         var $tree;
00037         var $objDefinition;
00038         var $ctrl;
00039         var $cmd;
00040         var $ilErr;
00041         var $object;
00042 
00047         function ilRegisterGUI()
00048         {
00049                 global $lng, $ilias, $tpl, $tree, $objDefinition, $ilCtrl, $ilErr;
00050 
00051                 $this->lng =& $lng;
00052                 $this->lng->loadLanguageModule('crs');
00053 
00054                 $this->ilias =& $ilias;
00055                 $this->tpl =& $tpl;
00056                 $this->tree =& $tree;
00057                 $this->objDefinition =& $objDefinition;
00058                 $this->ilErr =& $ilErr;
00059 
00060                 $this->ctrl =& $ilCtrl;
00061                 $this->ctrl->saveParameter($this,array("ref_id"));
00062                 $this->ctrl->setParameter($this,"user_id",$this->ilias->account->getId());
00063 
00064                 // get object of current ref id
00065                 $this->object =& $this->ilias->obj_factory->getInstanceByRefId($_GET["ref_id"]);
00066         }
00067 
00071         function &executeCommand()
00072         {
00073                 if ($this->isUserAlreadyRegistered())
00074                 {
00075                         $this->ilErr->raiseError($this->lng->txt("grp_already_applied"),$this->ilErr->MESSAGE);
00076                 }
00077 
00078                 $cmd = $this->ctrl->getCmd();
00079 
00080                 if (empty($cmd))
00081                 {
00082                         $cmd = "cancel";
00083                 }
00084 
00085                 $this->cmd = $cmd;
00086                 $this->$cmd();  
00087         }
00088         
00089         function showRegistrationForm()
00090         {
00091                 include_once 'Modules/Course/classes/class.ilObjCourseGrouping.php';
00092 
00093                 global $rbacsystem, $ilias, $lng;
00094                 
00095                 switch ($this->object->getRegistrationFlag())
00096                 {
00097                         case 0:
00098                                 $stat = $this->lng->txt("group_no_registration");
00099                                 $msg  = $this->lng->txt("group_no_registration_msg");
00100                                 $readonly ="readonly";
00101                                 $subject ="";
00102                                 $cmd_submit = "subscribe";
00103                                 $txt_submit = $this->lng->txt("grp_register");
00104                                 break;
00105 
00106                         case 1:
00107                                 if ($this->object->registrationPossible() == true)
00108                                 {
00109                                         $stat = $this->lng->txt("group_req_registration");
00110                                         $msg  = $this->lng->txt("group_req_registration_msg");
00111                                         $cmd_submit = "apply";
00112                                         $txt_submit = $this->lng->txt("request_membership");
00113                                         $txt_subject =$this->lng->txt("subject").":";
00114                                         $textfield = "<textarea name=\"subject\" value=\"{SUBJECT}\" cols=\"50\" rows=\"5\" size=\"255\"></textarea>";
00115                                 }
00116                                 else
00117                                 {
00118                                         $no_cancel = true;
00119                                         $msg = $this->lng->txt("group_registration_expired_msg");
00120                                         $msg_send = "ilias.php?baseClass=ilMailGUI&mobj_id=3&type=new&rcp_to=root";
00121                                         $cmd_submit = "cancel";
00122                                         $txt_submit = $this->lng->txt("grp_back");
00123                                         $readonly = "readonly";
00124                                         $stat = $this->lng->txt("group_registration_expired");
00125                                         ilUtil::sendInfo($this->lng->txt("registration_expired"));
00126                                 }
00127                                 break;
00128 
00129                         case 2:
00130                                 if ($this->object->registrationPossible() == true)
00131                                 {
00132                                         $stat = $this->lng->txt("group_req_password");//"Registrierungpasswort erforderlich";
00133                                         $msg = $this->lng->txt("group_password_registration_msg");
00134                                         $txt_subject =$this->lng->txt("password").":";
00135                                         $txt_submit = $this->lng->txt("grp_register");
00136                                         $textfield = "<input name=\"subject\" value=\"{SUBJECT}\" type=\"password\" size=\"40\" maxlength=\"70\" style=\"width:300px;\"/>";
00137                                         $cmd_submit = "apply";
00138                                 }
00139                                 else
00140                                 {
00141                                         $no_cancel = true;
00142                                         $msg = $this->lng->txt("group_registration_expired_msg");
00143                                         $msg_send = "ilias.php?baseClass=ilMailGUI&mobj_id=3&type=new&rcp_to=root";
00144                                         $cmd_submit = "cancel";
00145                                         $txt_submit = $this->lng->txt("grp_back");
00146                                         $readonly = "readonly";
00147                                         $stat = $this->lng->txt("group_registration_expired");
00148                                         ilUtil::sendInfo($this->lng->txt("registration_expired"));
00149                                 }
00150                                 break;
00151                 }
00152 
00153                 if ($no_cancel !== true)
00154                 {
00155                         $this->tpl->setCurrentBlock("btn_cancel");
00156                         $this->tpl->setVariable("CMD_CANCEL","cancel");
00157                         $this->tpl->setVariable("TXT_CANCEL",$this->lng->txt("cancel"));
00158                         $this->tpl->parseCurrentBlock();
00159                 }
00160 
00161                 if(!$rbacsystem->checkAccess("join", $_GET["ref_id"]))
00162                 {
00163                         $ilias->raiseError($lng->txt("permission_denied"), $ilias->error_obj->MESSAGE);
00164                         return;
00165                 }
00166 
00167                 $submit_btn = true;
00168                 if(!ilObjCourseGrouping::_checkGroupingDependencies($this->object))
00169                 {
00170                         ilUtil::sendInfo($this->object->getMessage());
00171                         $submit_btn = false;
00172                 }
00173 
00174                 $this->tpl->addBlockFile("ADM_CONTENT", "tbldesc", "tpl.grp_accessdenied.html");
00175                 $this->tpl->setVariable("TYPE_IMG",ilUtil::getImagePath("icon_grp.gif"));
00176                 $this->tpl->setVariable("ALT_IMG",$this->lng->txt("obj_grp"));
00177                 $this->tpl->setVariable("TITLE",$this->lng->txt("grp_registration"));
00178                 $this->tpl->setVariable("TXT_MESSAGE",$msg);
00179                 $this->tpl->setVariable("TXT_GRP_NAME", $this->lng->txt("group_name"));
00180                 $this->tpl->setVariable("GRP_NAME",$this->object->getTitle());
00181                 $this->tpl->setVariable("TXT_GRP_DESC",$this->lng->txt("group_desc"));
00182                 $this->tpl->setVariable("GRP_DESC",$this->object->getDescription());
00183                 //$this->tpl->setVariable("TXT_GRP_OWNER",$this->lng->txt("owner"));
00184                 //$this->tpl->setVariable("GRP_OWNER",$owner->getLogin());
00185                 //$this->tpl->setVariable("TXT_GRP_STATUS",$this->lng->txt("group_status"));
00186                 //$this->tpl->setVariable("GRP_STATUS", $stat);
00187                 $this->tpl->setVariable("TXT_INFO_REG",$this->lng->txt("group_info_reg"));
00188                 $this->tpl->setVariable("INFO_REG", $msg);
00189 
00190                 if(strlen($txt_subject))
00191                 {
00192                         $this->tpl->setVariable("TXT_SUBJECT",$txt_subject);
00193                         $this->tpl->setVariable("SUBJECT",$textfield);
00194                 }
00195                 if(strlen($message = ilObjCourseGrouping::_getGroupingItemsAsString($this->object)))
00196                 {
00197                         $this->tpl->setVariable("TXT_MEMBER_LIMIT",$this->lng->txt('groupings'));
00198                         $this->tpl->setVariable("MEMBER_LIMIT",$this->lng->txt('crs_grp_info_reg').$message);
00199                 }
00200 
00201                 if($submit_btn)
00202                 {
00203                         $this->tpl->setVariable("TXT_SUBMIT",$txt_submit);
00204                         $this->tpl->setVariable("CMD_SUBMIT",$cmd_submit);
00205                 }
00206                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this,'apply'));
00207                 $this->tpl->parseCurrentBlock();
00208         }
00209         
00210         function cancel()
00211         {
00212                 ilUtil::sendInfo($this->lng->txt("action_aborted"),true);
00213                 //$this->ctrl->setParameterByClass("ilRepositoryGUI","ref_id",$this->getReturnRefId());
00214                 //$this->ctrl->redirectByClass("ilRepositoryGUI","ShowList");
00215                 ilUtil::redirect("repository.php?ref_id=".$this->getReturnRefId());
00216         }
00217         
00218         function subscribe()
00219         {
00220                 if (!$this->object->addMember($this->ilias->account->getId(), $this->object->getDefaultMemberRole()))
00221                 {
00222                         $this->ilErr->raiseError($this->lng->txt("err_unknown_error"),$this->ilErr->MESSAGE);
00223                 }
00224                 
00225                 $this->ilias->account->addDesktopItem($this->object->getRefId(),"grp");
00226                 
00227                 ilUtil::sendInfo($this->lng->txt("grp_registration_completed"),true);           
00228                 $this->ctrl->returnToParent($this);
00229         }
00230         
00231         function apply()
00232         {
00233                 global $ilDB;
00234                 
00235                 // @todo: move queries to app
00236                 
00237                 switch ($this->object->getRegistrationFlag())
00238                 {
00239                         // registration
00240                         case 1:
00241                                 $q = "INSERT INTO grp_registration VALUES (".
00242                                         $ilDB->quote($this->object->getId()).",".
00243                                         $ilDB->quote($this->ilias->account->getId()).",".
00244                                         $ilDB->quote($_POST["subject"]).",".
00245                                         $ilDB->quote(date("Y-m-d H:i:s")).")";
00246                                 $this->ilias->db->query($q);
00247 
00248                                 ilUtil::sendInfo($this->lng->txt("application_completed"),true);
00249                                 ilUtil::redirect("repository.php?ref_id=".$this->getReturnRefId());
00250                                 break;
00251 
00252                         // passwort
00253                         case 2:
00254                                 if (strcmp($this->object->getPassword(),$_POST["subject"]) == 0 && $this->object->registrationPossible() == true)
00255                                 {
00256                                         $this->object->addMember($this->ilias->account->getId(),$this->object->getDefaultMemberRole());
00257 
00258                                         $this->ilias->account->addDesktopItem($this->object->getRefId(),"grp");
00259                 
00260                                         ilUtil::sendInfo($this->lng->txt("grp_registration_completed"),true);
00261                                         $this->ctrl->returnToParent($this);
00262                                 }
00263                                 
00264                                 //wrong passwd
00265                                 ilUtil::sendInfo($this->lng->txt("err_wrong_password"),true);
00266                                 $this->ctrl->returnToParent($this);
00267 
00268                                 //$this->ilErr->raiseError($this->lng->txt("registration_not_possible"),$this->ilErr->MESSAGE);
00269                                 break;
00270                                 
00271                         default:
00272                                 $this->ilErr->raiseError($this->lng->txt("err_unknown_error"),$this->ilErr->MESSAGE);
00273                                 break;
00274                 }
00275         }
00276 
00277         function getReturnRefId()
00278         {
00279                 if ($_SESSION["il_rep_ref_id"] == $this->object->getRefId())
00280                 {
00281                         return $this->tree->getParentId($this->object->getRefId());
00282                 }
00283                 else
00284                 {
00285                         return $_SESSION["il_rep_ref_id"];
00286                 }       
00287         }
00288         
00289         function isUserAlreadyRegistered ()
00290         {
00291                 global $ilDB;
00292                 
00293                 // @todo: move query to app
00294                 
00295                 $q = "SELECT * FROM grp_registration WHERE grp_id=".
00296                         $ilDB->quote($this->object->getId())." AND user_id=".
00297                         $ilDB->quote($this->ilias->account->getId());
00298                 $res = $this->ilias->db->query($q);
00299         
00300                 if ($res->numRows() > 0)
00301                 {
00302                         return true;    
00303                 }
00304                 
00305                 return false;
00306         }
00307 } // END class.ilRegisterGUI
00308 ?>