ILIAS Release_3_7_x_branch .rev 46817: classes/class.ilRegisterGUI.php Source File

Go to the documentation of this file.
00001 <?php
00002 /*
00003         +-----------------------------------------------------------------------------+
00004         | ILIAS open source                                                           |
00005         +-----------------------------------------------------------------------------+
00006         | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
00007         |                                                                             |
00008         | This program is free software; you can redistribute it and/or               |
00009         | modify it under the terms of the GNU General Public License                 |
00010         | as published by the Free Software Foundation; either version 2              |
00011         | of the License, or (at your option) any later version.                      |
00012         |                                                                             |
00013         | This program is distributed in the hope that it will be useful,             |
00014         | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
00015         | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
00016         | GNU General Public License for more details.                                |
00017         |                                                                             |
00018         | You should have received a copy of the GNU General Public License           |
00019         | along with this program; if not, write to the Free Software                 |
00020         | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
00021         +-----------------------------------------------------------------------------+
00022 */
00023 
00032 class ilRegisterGUI
00033 {
00034         var $lng;
00035         var $ilias;
00036         var $tpl;
00037         var $tree;
00038         var $objDefinition;
00039         var $ctrl;
00040         var $cmd;
00041         var $ilErr;
00042         var $object;
00043 
00048         function ilRegisterGUI()
00049         {
00050                 global $lng, $ilias, $tpl, $tree, $objDefinition, $ilCtrl, $ilErr;
00051 
00052                 $this->lng =& $lng;
00053                 $this->lng->loadLanguageModule('crs');
00054 
00055                 $this->ilias =& $ilias;
00056                 $this->tpl =& $tpl;
00057                 $this->tree =& $tree;
00058                 $this->objDefinition =& $objDefinition;
00059                 $this->ilErr =& $ilErr;
00060 
00061                 $this->ctrl =& $ilCtrl;
00062                 $this->ctrl->saveParameter($this,array("ref_id"));
00063                 $this->ctrl->setParameter($this,"user_id",$this->ilias->account->getId());
00064 
00065                 // get object of current ref id
00066                 $this->object =& $this->ilias->obj_factory->getInstanceByRefId($_GET["ref_id"]);
00067         }
00068 
00072         function &executeCommand()
00073         {
00074                 if ($this->isUserAlreadyRegistered())
00075                 {
00076                         $this->ilErr->raiseError($this->lng->txt("grp_already_applied"),$this->ilErr->MESSAGE);
00077                 }
00078 
00079                 $cmd = $this->ctrl->getCmd();
00080 
00081                 if (empty($cmd))
00082                 {
00083                         $cmd = "cancel";
00084                 }
00085 
00086                 $this->cmd = $cmd;
00087                 $this->$cmd();  
00088         }
00089         
00090         function showRegistrationForm()
00091         {
00092                 include_once 'course/classes/class.ilObjCourseGrouping.php';
00093 
00094                 global $rbacsystem, $ilias, $lng;
00095                 
00096                 switch ($this->object->getRegistrationFlag())
00097                 {
00098                         case 0:
00099                                 $stat = $this->lng->txt("group_no_registration");
00100                                 $msg  = $this->lng->txt("group_no_registration_msg");
00101                                 $readonly ="readonly";
00102                                 $subject ="";
00103                                 $cmd_submit = "subscribe";
00104                                 $txt_submit = $this->lng->txt("grp_register");
00105                                 break;
00106 
00107                         case 1:
00108                                 if ($this->object->registrationPossible() == true)
00109                                 {
00110                                         $stat = $this->lng->txt("group_req_registration");
00111                                         $msg  = $this->lng->txt("group_req_registration_msg");
00112                                         $cmd_submit = "apply";
00113                                         $txt_submit = $this->lng->txt("request_membership");
00114                                         $txt_subject =$this->lng->txt("subject").":";
00115                                         $textfield = "<textarea name=\"subject\" value=\"{SUBJECT}\" cols=\"50\" rows=\"5\" size=\"255\"></textarea>";
00116                                 }
00117                                 else
00118                                 {
00119                                         $no_cancel = true;
00120                                         $msg = $this->lng->txt("group_registration_expired_msg");
00121                                         $msg_send = "mail_new.php?mobj_id=3&type=new&rcp_to=root";
00122                                         $cmd_submit = "cancel";
00123                                         $txt_submit = $this->lng->txt("grp_back");
00124                                         $readonly = "readonly";
00125                                         $stat = $this->lng->txt("group_registration_expired");
00126                                         sendInfo($this->lng->txt("registration_expired"));
00127                                 }
00128                                 break;
00129 
00130                         case 2:
00131                                 if ($this->object->registrationPossible() == true)
00132                                 {
00133                                         $stat = $this->lng->txt("group_req_password");//"Registrierungpasswort erforderlich";
00134                                         $msg = $this->lng->txt("group_password_registration_msg");
00135                                         $txt_subject =$this->lng->txt("password").":";
00136                                         $txt_submit = $this->lng->txt("grp_register");
00137                                         $textfield = "<input name=\"subject\" value=\"{SUBJECT}\" type=\"password\" size=\"40\" maxlength=\"70\" style=\"width:300px;\"/>";
00138                                         $cmd_submit = "apply";
00139                                 }
00140                                 else
00141                                 {
00142                                         $no_cancel = true;
00143                                         $msg = $this->lng->txt("group_registration_expired_msg");
00144                                         $msg_send = "mail_new.php?mobj_id=3&type=new&rcp_to=root";
00145                                         $cmd_submit = "cancel";
00146                                         $txt_submit = $this->lng->txt("grp_back");
00147                                         $readonly = "readonly";
00148                                         $stat = $this->lng->txt("group_registration_expired");
00149                                         sendInfo($this->lng->txt("registration_expired"));
00150                                 }
00151                                 break;
00152                 }
00153 
00154                 if ($no_cancel !== true)
00155                 {
00156                         $this->tpl->setCurrentBlock("btn_cancel");
00157                         $this->tpl->setVariable("CMD_CANCEL","cancel");
00158                         $this->tpl->setVariable("TXT_CANCEL",$this->lng->txt("cancel"));
00159                         $this->tpl->parseCurrentBlock();
00160                 }
00161 
00162                 if(!$rbacsystem->checkAccess("join", $_GET["ref_id"]))
00163                 {
00164                         $ilias->raiseError($lng->txt("permission_denied"), $ilias->error_obj->MESSAGE);
00165                         return;
00166                 }
00167 
00168                 $submit_btn = true;
00169                 if(!ilObjCourseGrouping::_checkGroupingDependencies($this->object))
00170                 {
00171                         sendInfo($this->object->getMessage());
00172                         $submit_btn = false;
00173                 }
00174 
00175                 $this->tpl->addBlockFile("ADM_CONTENT", "tbldesc", "tpl.grp_accessdenied.html");
00176                 $this->tpl->setVariable("TYPE_IMG",ilUtil::getImagePath("icon_grp.gif"));
00177                 $this->tpl->setVariable("ALT_IMG",$this->lng->txt("obj_grp"));
00178                 $this->tpl->setVariable("TITLE",$this->lng->txt("grp_registration"));
00179                 $this->tpl->setVariable("TXT_MESSAGE",$msg);
00180                 $this->tpl->setVariable("TXT_GRP_NAME", $this->lng->txt("group_name"));
00181                 $this->tpl->setVariable("GRP_NAME",$this->object->getTitle());
00182                 $this->tpl->setVariable("TXT_GRP_DESC",$this->lng->txt("group_desc"));
00183                 $this->tpl->setVariable("GRP_DESC",$this->object->getDescription());
00184                 //$this->tpl->setVariable("TXT_GRP_OWNER",$this->lng->txt("owner"));
00185                 //$this->tpl->setVariable("GRP_OWNER",$owner->getLogin());
00186                 //$this->tpl->setVariable("TXT_GRP_STATUS",$this->lng->txt("group_status"));
00187                 //$this->tpl->setVariable("GRP_STATUS", $stat);
00188                 $this->tpl->setVariable("TXT_INFO_REG",$this->lng->txt("group_info_reg"));
00189                 $this->tpl->setVariable("INFO_REG", $msg);
00190 
00191                 if(strlen($txt_subject))
00192                 {
00193                         $this->tpl->setVariable("TXT_SUBJECT",$txt_subject);
00194                         $this->tpl->setVariable("SUBJECT",$textfield);
00195                 }
00196                 if(strlen($message = ilObjCourseGrouping::_getGroupingItemsAsString($this->object)))
00197                 {
00198                         $this->tpl->setVariable("TXT_MEMBER_LIMIT",$this->lng->txt('groupings'));
00199                         $this->tpl->setVariable("MEMBER_LIMIT",$this->lng->txt('crs_grp_info_reg').$message);
00200                 }
00201 
00202                 if($submit_btn)
00203                 {
00204                         $this->tpl->setVariable("TXT_SUBMIT",$txt_submit);
00205                         $this->tpl->setVariable("CMD_SUBMIT",$cmd_submit);
00206                 }
00207                 $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this,'subscribe'));
00208                 $this->tpl->parseCurrentBlock();
00209         }
00210         
00211         function cancel()
00212         {
00213                 sendInfo($this->lng->txt("action_aborted"),true);
00214                 //$this->ctrl->setParameterByClass("ilRepositoryGUI","ref_id",$this->getReturnRefId());
00215                 //$this->ctrl->redirectByClass("ilRepositoryGUI","ShowList");
00216                 ilUtil::redirect("repository.php?ref_id=".$this->getReturnRefId());
00217         }
00218         
00219         function subscribe()
00220         {
00221                 if (!$this->object->addMember($this->ilias->account->getId(), $this->object->getDefaultMemberRole()))
00222                 {
00223                         $this->ilErr->raiseError($this->lng->txt("err_unknown_error"),$this->ilErr->MESSAGE);
00224                 }
00225                 
00226                 $this->ilias->account->addDesktopItem($this->object->getRefId(),"grp");
00227                 
00228                 sendInfo($this->lng->txt("grp_registration_completed"),true);           
00229                 $this->ctrl->returnToParent($this);
00230         }
00231         
00232         function apply()
00233         {
00234                 switch ($this->object->getRegistrationFlag())
00235                 {
00236                         // registration
00237                         case 1:
00238                                 $q = "INSERT INTO grp_registration VALUES (".$this->object->getId().",".
00239                                         $this->ilias->account->getId().",'".$_POST["subject"]."','".date("Y-m-d H:i:s")."')";
00240                                 $this->ilias->db->query($q);
00241 
00242                                 sendInfo($this->lng->txt("application_completed"),true);
00243                                 ilUtil::redirect("repository.php?ref_id=".$this->getReturnRefId());
00244                                 break;
00245 
00246                         // passwort
00247                         case 2:
00248                                 if (strcmp($this->object->getPassword(),$_POST["subject"]) == 0 && $this->object->registrationPossible() == true)
00249                                 {
00250                                         $this->object->addMember($this->ilias->account->getId(),$this->object->getDefaultMemberRole());
00251 
00252                                         $this->ilias->account->addDesktopItem($this->object->getRefId(),"grp");
00253                 
00254                                         sendInfo($this->lng->txt("grp_registration_completed"),true);
00255                                         $this->ctrl->returnToParent($this);
00256                                 }
00257                                 
00258                                 //wrong passwd
00259                                 sendInfo($this->lng->txt("err_wrong_password"),true);
00260                                 $this->ctrl->returnToParent($this);
00261 
00262                                 //$this->ilErr->raiseError($this->lng->txt("registration_not_possible"),$this->ilErr->MESSAGE);
00263                                 break;
00264                                 
00265                         default:
00266                                 $this->ilErr->raiseError($this->lng->txt("err_unknown_error"),$this->ilErr->MESSAGE);
00267                                 break;
00268                 }
00269         }
00270 
00271         function getReturnRefId()
00272         {
00273                 if ($_SESSION["il_rep_ref_id"] == $this->object->getRefId())
00274                 {
00275                         return $this->tree->getParentId($this->object->getRefId());
00276                 }
00277                 else
00278                 {
00279                         return $_SESSION["il_rep_ref_id"];
00280                 }       
00281         }
00282         
00283         function isUserAlreadyRegistered ()
00284         {
00285                 $q = "SELECT * FROM grp_registration WHERE grp_id=".$this->object->getId()." AND user_id=".$this->ilias->account->getId();
00286                 $res = $this->ilias->db->query($q);
00287         
00288                 if ($res->numRows() > 0)
00289                 {
00290                         return true;    
00291                 }
00292                 
00293                 return false;
00294         }
00295 } // END class.ilRegisterGUI
00296 ?>