class.ilObjRoleGUI.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "./Services/Object/classes/class.ilObjectGUI.php";
include_once './Services/AccessControl/classes/class.ilObjRole.php';

class ilObjRoleGUI extends ilObjectGUI
{
        const MODE_GLOBAL_UPDATE = 1;
        const MODE_GLOBAL_CREATE = 2;
        const MODE_LOCAL_UPDATE = 3;
        const MODE_LOCAL_CREATE = 4;

        var $type;

        
        protected $obj_ref_id = 0;
        protected $obj_obj_id = 0;
        protected $obj_obj_type = '';
        protected $container_type = '';


        var $ctrl;
 
        function __construct($a_data,$a_id,$a_call_by_reference = false,$a_prepare_output = true)
        {
                global $tree,$lng;
                
                $lng->loadLanguageModule('rbac');

                //TODO: move this to class.ilias.php
                define("USER_FOLDER_ID",7);
                
                // Add ref_id of object that contains this role folder
                
                $this->obj_ref_id = 
                                ((int) $_REQUEST['rolf_ref_id'] ?
                                (int) $_REQUEST['rolf_ref_id'] :
                                (int) $_REQUEST['ref_id']
                );
                
                $this->obj_obj_id = ilObject::_lookupObjId($this->getParentRefId());
                $this->obj_obj_type = ilObject::_lookupType($this->getParentObjId());
                
                $this->container_type = ilObject::_lookupType(ilObject::_lookupObjId($this->obj_ref_id));

                $this->type = "role";
                $this->ilObjectGUI($a_data,$a_id,$a_call_by_reference,false);
                $this->ctrl->saveParameter($this, array('obj_id', 'rolf_ref_id'));
        }


        function &executeCommand()
        {
                global $rbacsystem;

                $this->prepareOutput();
                
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();

                switch($next_class)
                {
                        case 'ilrepositorysearchgui':
                                
                                if(!$GLOBALS['ilAccess']->checkAccess('edit_permission','', $this->obj_ref_id))
                                {
                                        $GLOBALS['ilErr']->raiseError($GLOBALS['lng']->txt('permission_denied'), $GLOBALS['ilErr']->WARNING);
                                }
                                include_once('./Services/Search/classes/class.ilRepositorySearchGUI.php');
                                $rep_search =& new ilRepositorySearchGUI();
                                $rep_search->setTitle($this->lng->txt('role_add_user'));
                                $rep_search->setCallback($this,'addUserObject');

                                // Set tabs
                                $this->tabs_gui->setTabActive('user_assignment');
                                $this->ctrl->setReturn($this,'userassignment');
                                $ret =& $this->ctrl->forwardCommand($rep_search);
                                break;
                        
                        case 'ilexportgui':
                                        
                                $this->tabs_gui->setTabActive('export');
                                
                                include_once './Services/Export/classes/class.ilExportOptions.php';
                                $eo = ilExportOptions::newInstance(ilExportOptions::allocateExportId());
                                $eo->addOption(ilExportOptions::KEY_ROOT,0,$this->object->getId(),$this->obj_ref_id);
                                
                                include_once './Services/Export/classes/class.ilExportGUI.php';
                                $exp = new ilExportGUI($this, new ilObjRole($this->object->getId()));
                                $exp->addFormat('xml');
                                $this->ctrl->forwardCommand($exp);
                                break;

                        default:
                                if(!$cmd)
                                {
                                        if($this->showDefaultPermissionSettings())
                                        {
                                                $cmd = "perm";
                                        }
                                        else
                                        {
                                                $cmd = 'userassignment';
                                        }
                                }
                                $cmd .= "Object";
                                $this->$cmd();
                                        
                                break;
                }

                return true;
        }
        
        public function getParentRefId()
        {
                return $this->obj_ref_id;
        }
        
        public function getParentObjId()
        {
                return $this->obj_obj_id;
        }
        
        public function getParentType()
        {
                return $this->obj_obj_type;
        }
        
        function setBackTarget($a_text, $a_link)
        {
                $this->back_target = array("text" => $a_text,
                        "link" => $a_link);
        }
        
        public function getBackTarget()
        {
                return $this->back_target ? $this->back_target : array();
        }
        
        function getAdminTabs(&$tabs_gui)
        {
                $this->getTabs($tabs_gui);
        }
        
        protected function getContainerType()
        {
                return $this->container_type;
        }
        
        protected function showDefaultPermissionSettings()
        {
                global $objDefinition;
                
                return $objDefinition->isContainer($this->getContainerType());
        }


        function listDesktopItemsObject()
        {
                global $rbacsystem,$rbacreview,$tree;


                if(!$rbacreview->isAssignable($this->object->getId(),$this->obj_ref_id) &&
                        $this->obj_ref_id != ROLE_FOLDER_ID)
                {
                        ilUtil::sendInfo($this->lng->txt('role_no_users_no_desk_items'));
                        return true;
                }


                include_once 'Services/AccessControl/classes/class.ilRoleDesktopItem.php';
                $role_desk_item_obj =& new ilRoleDesktopItem($this->object->getId());

                if($rbacsystem->checkAccess('push_desktop_items',USER_FOLDER_ID))
                {
                        $this->__showButton('selectDesktopItem',$this->lng->txt('role_desk_add'));
                }
                if(!count($items = $role_desk_item_obj->getAll()))
                {
                        ilUtil::sendInfo($this->lng->txt('role_desk_none_created'));
                        return true;
                }
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.role_desktop_item_list.html", "Services/AccessControl");
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("TBL_TITLE_IMG",ilUtil::getImagePath('icon_role.svg'));
                $this->tpl->setVariable("TBL_TITLE_IMG_ALT",$this->lng->txt('obj_role'));
                $this->tpl->setVariable("TBL_TITLE",$this->lng->txt('role_assigned_desk_items').' ('.$this->object->getTitle().')');
                $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
                $this->tpl->setVariable("BTN_DELETE",$this->lng->txt('delete'));
                $this->tpl->setVariable("IMG_ARROW",ilUtil::getImagePath('arrow_downright.svg'));

                $counter = 0;

                foreach($items as $role_item_id => $item)
                {
                        $tmp_obj = ilObjectFactory::getInstanceByRefId($item['item_id']);
                        
                        if(strlen($desc = $tmp_obj->getDescription()))
                        {
                                $this->tpl->setCurrentBlock("description");
                                $this->tpl->setVariable("DESCRIPTION_DESK",$desc);
                                $this->tpl->parseCurrentBlock();
                        }
                        $this->tpl->setCurrentBlock("desk_row");
                        $this->tpl->setVariable("DESK_TITLE",$tmp_obj->getTitle());
                        $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
                        $this->tpl->setVariable("CHECK_DESK",ilUtil::formCheckBox(0,'del_desk_item[]',$role_item_id));
                        $this->tpl->setVariable("TXT_PATH",$this->lng->txt('path').':');
                        $this->tpl->setVariable("PATH",$this->__formatPath($tree->getPathFull($item['item_id'])));
                        $this->tpl->parseCurrentBlock();
                }

                return true;
        }

        function askDeleteDesktopItemObject()
        {
                global $rbacsystem;
                
                
                if(!$this->checkAccess('edit_permission'))
                {
                        $this->ilias->raiseError($this->lng->txt("permission_denied"),$this->ilias->error_obj->MESSAGE);
                }
                if(!$rbacsystem->checkAccess('push_desktop_items',USER_FOLDER_ID))
                {
                        $this->ilias->raiseError($this->lng->txt("permission_denied"),$this->ilias->error_obj->MESSAGE);
                }
                if(!count($_POST['del_desk_item']))
                {
                        ilUtil::sendFailure($this->lng->txt('role_select_one_item'));

                        $this->listDesktopItemsObject();

                        return true;
                }
                ilUtil::sendQuestion($this->lng->txt('role_sure_delete_desk_items'));
                
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.role_ask_delete_desktop_item.html", "Services/AccessControl");
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("TBL_TITLE_IMG",ilUtil::getImagePath('icon_role.svg'));
                $this->tpl->setVariable("TBL_TITLE_IMG_ALT",$this->lng->txt('obj_role'));
                $this->tpl->setVariable("TBL_TITLE",$this->lng->txt('role_assigned_desk_items').' ('.$this->object->getTitle().')');
                $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
                $this->tpl->setVariable("BTN_DELETE",$this->lng->txt('delete'));
                $this->tpl->setVariable("BTN_CANCEL",$this->lng->txt('cancel'));

                include_once 'Services/AccessControl/classes/class.ilRoleDesktopItem.php';

                $role_desk_item_obj =& new ilRoleDesktopItem($this->object->getId());

                $counter = 0;

                foreach($_POST['del_desk_item'] as $role_item_id)
                {
                        $item_data = $role_desk_item_obj->getItem($role_item_id);
                        $tmp_obj =& ilObjectFactory::getInstanceByRefId($item_data['item_id']);

                        if(strlen($desc = $tmp_obj->getDescription()))
                        {
                                $this->tpl->setCurrentBlock("description");
                                $this->tpl->setVariable("DESCRIPTION_DESK",$desc);
                                $this->tpl->parseCurrentBlock();
                        }
                        $this->tpl->setCurrentBlock("desk_row");
                        $this->tpl->setVariable("DESK_TITLE",$tmp_obj->getTitle());
                        $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
                        $this->tpl->parseCurrentBlock();
                }

                $_SESSION['role_del_desk_items'] = $_POST['del_desk_item'];

                return true;
        }

        function deleteDesktopItemsObject()
        {
                global $rbacsystem;
                
                if(!$this->checkAccess('edit_permission'))
                {
                        $this->ilias->raiseError($this->lng->txt("permission_denied"),$this->ilias->error_obj->MESSAGE);
                }

                if (!$rbacsystem->checkAccess('push_desktop_items',USER_FOLDER_ID))
                {
                        $this->ilias->raiseError($this->lng->txt("permission_denied"),$this->ilias->error_obj->MESSAGE);
                }

                if (!count($_SESSION['role_del_desk_items']))
                {
                        ilUtil::sendFailure($this->lng->txt('role_select_one_item'));

                        $this->listDesktopItemsObject();

                        return true;
                }

                include_once 'Services/AccessControl/classes/class.ilRoleDesktopItem.php';

                $role_desk_item_obj =& new ilRoleDesktopItem($this->object->getId());

                foreach ($_SESSION['role_del_desk_items'] as $role_item_id)
                {
                        $role_desk_item_obj->delete($role_item_id);
                }

                ilUtil::sendSuccess($this->lng->txt('role_deleted_desktop_items'));
                $this->listDesktopItemsObject();

                return true;
        }


        function selectDesktopItemObject()
        {
                global $rbacsystem,$tree;

                include_once 'Services/AccessControl/classes/class.ilRoleDesktopItemSelector.php';
                include_once 'Services/AccessControl/classes/class.ilRoleDesktopItem.php';

                if(!$rbacsystem->checkAccess('push_desktop_items',USER_FOLDER_ID))
                {
                        #$this->ilias->raiseError($this->lng->txt("permission_denied"),$this->ilias->error_obj->MESSAGE);
                        ilUtil::sendFailure($this->lng->txt('permission_denied'));
                        $this->listDesktopItemsObject();
                        return false;
                }

                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.role_desktop_item_selector.html", "Services/AccessControl");
                $this->__showButton('listDesktopItems',$this->lng->txt('back'));

                ilUtil::sendInfo($this->lng->txt("role_select_desktop_item"));
                
                $exp = new ilRoleDesktopItemSelector($this->ctrl->getLinkTarget($this,'selectDesktopItem'),
                                                                                         new ilRoleDesktopItem($this->object->getId()));
                $exp->setExpand($_GET["role_desk_item_link_expand"] ? $_GET["role_desk_item_link_expand"] : $tree->readRootId());
                $exp->setExpandTarget($this->ctrl->getLinkTarget($this,'selectDesktopItem'));
                
                $exp->setOutput(0);
                
                $output = $exp->getOutput();
                $this->tpl->setVariable("EXPLORER",$output);
                //$this->tpl->setVariable("EXPLORER", $exp->getOutput());

                return true;
        }

        function assignDesktopItemObject()
        {
                global $rbacsystem;

                if (!$rbacsystem->checkAccess('push_desktop_items',USER_FOLDER_ID))
                {
                        $this->ilias->raiseError($this->lng->txt("permission_denied"),$this->ilias->error_obj->MESSAGE);
                        return false;
                }
        

                if (!isset($_GET['item_id']))
                {
                        ilUtil::sendFailure($this->lng->txt('role_no_item_selected'));
                        $this->selectDesktopItemObject();

                        return false;
                }

                include_once 'Services/AccessControl/classes/class.ilRoleDesktopItem.php';

                $role_desk_item_obj =& new ilRoleDesktopItem($this->object->getId());
                $role_desk_item_obj->add((int) $_GET['item_id'],ilObject::_lookupType((int) $_GET['item_id'],true));

                ilUtil::sendSuccess($this->lng->txt('role_assigned_desktop_item'));

                $this->ctrl->redirect($this,'listDesktopItems');
                return true;
        }
        
        protected function initFormRoleProperties($a_mode)
        {
                include_once './Services/Form/classes/class.ilPropertyFormGUI.php';
                $this->form = new ilPropertyFormGUI();

                if($this->creation_mode)
                {
                        $this->ctrl->setParameter($this, "new_type", 'role');
                }
                $this->form->setFormAction($this->ctrl->getFormAction($this));
        
                switch($a_mode)
                {
                        case self::MODE_GLOBAL_CREATE:
                                $this->form->setTitle($this->lng->txt('role_new'));
                                $this->form->addCommandButton('save',$this->lng->txt('role_new'));
                                break;
                                
                        case self::MODE_GLOBAL_UPDATE:
                                $this->form->setTitle($this->lng->txt('role_edit'));
                                $this->form->addCommandButton('update', $this->lng->txt('save'));
                                break;
                                
                        case self::MODE_LOCAL_CREATE:
                        case self::MODE_LOCAL_UPDATE:
                }
                // Fix cancel
                $this->form->addCommandButton('cancel', $this->lng->txt('cancel'));
                
                $title = new ilTextInputGUI($this->lng->txt('title'),'title');
                if(ilObjRole::isAutoGenerated($this->object->getId()))
                {
                        $title->setDisabled(true);
                }
                else
                {
                        //#17111 No validation for disabled fields
                        $title->setValidationRegexp('/^(?!il_).*$/');
                        $title->setValidationFailureMessage($this->lng->txt('msg_role_reserved_prefix'));
                }

                $title->setSize(40);
                $title->setMaxLength(70);
                $title->setRequired(true);
                $this->form->addItem($title);
                
                $desc = new ilTextAreaInputGUI($this->lng->txt('description'),'desc');
                if(ilObjRole::isAutoGenerated($this->object->getId()))
                {
                        $desc->setDisabled(true);
                }
                $desc->setCols(40);
                $desc->setRows(3);
                $this->form->addItem($desc);

                if($a_mode != self::MODE_LOCAL_CREATE && $a_mode != self::MODE_GLOBAL_CREATE)
                {
                        $ilias_id = new ilNonEditableValueGUI($this->lng->txt("ilias_id"), "ilias_id");
                        $this->form->addItem($ilias_id);
                }
                
                if($this->obj_ref_id == ROLE_FOLDER_ID)
                {
                        $reg = new ilCheckboxInputGUI($this->lng->txt('allow_register'),'reg');
                        $reg->setValue(1);
                        #$reg->setInfo($this->lng->txt('rbac_new_acc_reg_info'));
                        $this->form->addItem($reg);
                        
                        $la = new ilCheckboxInputGUI($this->lng->txt('allow_assign_users'),'la');
                        $la->setValue(1);
                        #$la->setInfo($this->lng->txt('rbac_local_admin_info'));
                        $this->form->addItem($la);
                }
                
                $pro = new ilCheckboxInputGUI($this->lng->txt('role_protect_permissions'),'pro');
                $pro->setValue(1);
                #$pro->setInfo($this->lng->txt('role_protext_permission_info'));
                $this->form->addItem($pro);
                
                include_once 'Services/WebDAV/classes/class.ilDiskQuotaActivationChecker.php';
                if(ilDiskQuotaActivationChecker::_isActive())
                {
                        $quo = new ilNumberInputGUI($this->lng->txt('disk_quota'),'disk_quota');
                        $quo->setMinValue(0);
                        $quo->setSize(4);
                        $quo->setInfo($this->lng->txt('enter_in_mb_desc').'<br />'.$this->lng->txt('disk_quota_on_role_desc'));
                        $this->form->addItem($quo);
                }
                if(ilDiskQuotaActivationChecker::_isPersonalWorkspaceActive())
                {
                        $this->lng->loadLanguageModule("file");
                        $wquo = new ilNumberInputGUI($this->lng->txt('personal_workspace_disk_quota'),'wsp_disk_quota');
                        $wquo->setMinValue(0);
                        $wquo->setSize(4);
                        $wquo->setInfo($this->lng->txt('enter_in_mb_desc').'<br />'.$this->lng->txt('disk_quota_on_role_desc'));
                        $this->form->addItem($wquo);
                }
                        
                return true;
        }
        
        protected function loadRoleProperties(ilObjRole $role)
        {
                //Don't set if fields are disabled to prevent html manipulation.
                if(!$this->form->getItemByPostVar('title')->getDisabled())
                {
                        $role->setTitle($this->form->getInput('title'));

                }
                if(!$this->form->getItemByPostVar('desc')->getDisabled())
                {
                        $role->setDescription($this->form->getInput('desc'));
                }
                $role->setAllowRegister($this->form->getInput('reg'));
                $role->toggleAssignUsersStatus($this->form->getInput('la'));
                $role->setDiskQuota($this->form->getInput('disk_quota') * pow(ilFormat::_getSizeMagnitude(),2));
                $role->setPersonalWorkspaceDiskQuota($this->form->getInput('wsp_disk_quota') * pow(ilFormat::_getSizeMagnitude(),2));
                return true;
        }
        
        protected function readRoleProperties(ilObjRole $role)
        {
                global $rbacreview;
                
                include_once 'Services/WebDAV/classes/class.ilDiskQuotaActivationChecker.php';

                $data['title'] = $role->getTitle();
                $data['desc'] = $role->getDescription();
                $data['ilias_id'] = 'il_'.IL_INST_ID.'_'.ilObject::_lookupType($role->getId()).'_'.$role->getId();
                $data['reg'] = $role->getAllowRegister();
                $data['la'] = $role->getAssignUsersStatus();
                if(ilDiskQuotaActivationChecker::_isActive())
                {
                        $data['disk_quota'] = $role->getDiskQuota() / (pow(ilFormat::_getSizeMagnitude(),2));
                }
                if(ilDiskQuotaActivationChecker::_isPersonalWorkspaceActive())
                {
                        $data['wsp_disk_quota'] = $role->getPersonalWorkspaceDiskQuota() / (pow(ilFormat::_getSizeMagnitude(),2));              
                }
                $data['pro'] = $rbacreview->isProtected($this->obj_ref_id, $role->getId());
                
                $this->form->setValuesByArray($data);
        }
        



        public function createObject()
        {
                global $rbacsystem;
                
                if(!$rbacsystem->checkAccess('create_role',$this->obj_ref_id))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
                }
                
                $this->initFormRoleProperties(self::MODE_GLOBAL_CREATE);
                $this->tpl->setContent($this->form->getHTML());
        }
        
        public function editObject()
        {
                global $rbacsystem, $rbacreview, $ilSetting,$ilErr,$ilToolbar;

                if(!$this->checkAccess('write','edit_permission'))
                {
                        $ilErr->raiseError($this->lng->txt("msg_no_perm_write"),$ilErr->MESSAGE);
                }
                
                // Show copy role button
                if($this->object->getId() != SYSTEM_ROLE_ID)
                {
                        $ilToolbar->setFormAction($this->ctrl->getFormAction($this));
                        if($rbacreview->isDeleteable($this->object->getId(), $this->obj_ref_id))
                        {
                                $ilToolbar->addButton(
                                        $this->lng->txt('rbac_delete_role'),
                                        $this->ctrl->getLinkTarget($this,'confirmDeleteRole')
                                );
                        }
                }
                
                $this->initFormRoleProperties(self::MODE_GLOBAL_UPDATE);
                $this->readRoleProperties($this->object);
                $this->tpl->setContent($this->form->getHTML());
        }
        
        
        public function saveObject()
        {
                global $rbacadmin,$rbacreview;
                
                $this->initFormRoleProperties(self::MODE_GLOBAL_CREATE);
                if($this->form->checkInput() and !$this->checkDuplicate())
                {
                        include_once './Services/AccessControl/classes/class.ilObjRole.php';
                        $this->loadRoleProperties($this->role = new ilObjRole());
                        $this->role->create();
                        $rbacadmin->assignRoleToFolder($this->role->getId(), $this->obj_ref_id,'y');
                        $rbacadmin->setProtected(
                                $this->obj_ref_id,
                                $this->role->getId(),
                                $this->form->getInput('pro') ? 'y' : 'n'
                        );
                        ilUtil::sendSuccess($this->lng->txt("role_added"),true);
                        $this->ctrl->setParameter($this,'obj_id',$this->role->getId());
                        $this->ctrl->redirect($this,'perm');
                }
                
                ilUtil::sendFailure($this->lng->txt('err_check_input'));
                $this->form->setValuesByPost();
                $this->tpl->setContent($this->form->getHTML());
                return false;
        }
        
        protected function checkDuplicate($a_role_id = 0)
        {
                // disabled due to mantis #0013742: Renaming global roles: ILIAS denies if title fits other role title partially
                return FALSE;
        }
        
        public function updateObject()
        {
                global $rbacadmin;
                
                $this->initFormRoleProperties(self::MODE_GLOBAL_UPDATE);
                if($this->form->checkInput() and !$this->checkDuplicate($this->object->getId()))
                {
                        include_once './Services/AccessControl/classes/class.ilObjRole.php';
                        $this->loadRoleProperties($this->object);
                        $this->object->update();
                        $rbacadmin->setProtected(
                                $this->obj_ref_id,
                                $this->object->getId(),
                                $this->form->getInput('pro') ? 'y' : 'n'
                        );
                        ilUtil::sendSuccess($this->lng->txt("saved_successfully"),true);
                        $this->ctrl->redirect($this,'edit');
                }
                
                ilUtil::sendFailure($this->lng->txt('err_check_input'));
                $this->form->setValuesByPost();
                $this->tpl->setContent($this->form->getHTML());
                return false;
        }
        
        protected function permObject($a_show_admin_permissions = false)
        {
                global $ilTabs, $ilErr, $ilToolbar, $objDefinition,$rbacreview;
                
                $ilTabs->setTabActive('default_perm_settings');
                
                $this->setSubTabs('default_perm_settings');
                
                if($a_show_admin_permissions)
                {
                        $ilTabs->setSubTabActive('rbac_admin_permissions');
                }
                else
                {
                        $ilTabs->setSubTabActive('rbac_repository_permissions');        
                }
                
                if(!$this->checkAccess('write','edit_permission'))
                {
                        $ilErr->raiseError($this->lng->txt('msg_no_perm_perm'),$ilErr->MESSAGE);
                        return true;
                }
                
                // Show copy role button
                if($this->object->getId() != SYSTEM_ROLE_ID)
                {
                        $ilToolbar->setFormAction($this->ctrl->getFormAction($this));
                        $ilToolbar->addButton(
                                $this->lng->txt("adopt_perm_from_template"),
                                $this->ctrl->getLinkTarget($this,'adoptPerm')
                        );
                        if($rbacreview->isDeleteable($this->object->getId(), $this->obj_ref_id))
                        {
                                $ilToolbar->addButton(
                                        $this->lng->txt('rbac_delete_role'),
                                        $this->ctrl->getLinkTarget($this,'confirmDeleteRole')
                                );
                        }
                }
                
                $this->tpl->addBlockFile(
                        'ADM_CONTENT',
                        'adm_content',
                        'tpl.rbac_template_permissions.html',
                        'Services/AccessControl'
                );
                
                $this->tpl->setVariable('PERM_ACTION',$this->ctrl->getFormAction($this));
                
                include_once './Services/Accordion/classes/class.ilAccordionGUI.php';
                $acc = new ilAccordionGUI();
                $acc->setBehaviour(ilAccordionGUI::FORCE_ALL_OPEN);
                $acc->setId('template_perm_'.$this->getParentRefId());
                
                if($this->obj_ref_id == ROLE_FOLDER_ID)
                {
                        if($a_show_admin_permissions)
                        {
                                $subs = $objDefinition->getSubObjectsRecursively('adm',true,true);
                        }
                        else
                        {
                                $subs = $objDefinition->getSubObjectsRecursively('root',true,$a_show_admin_permissions);
                        }
                }
                else
                {
                        $subs = $objDefinition->getSubObjectsRecursively($this->getParentType(),true,$a_show_admin_permissions);
                }
                
                $sorted = array();
                foreach($subs as $subtype => $def)
                {
                        if($objDefinition->isPlugin($subtype))
                        {
                                $translation = ilPlugin::lookupTxt("rep_robj", $subtype,"obj_".$subtype);
                        }
                        elseif($objDefinition->isSystemObject($subtype))
                        {
                                $translation = $this->lng->txt("obj_".$subtype);
                        }
                        else
                        {
                                $translation = $this->lng->txt('objs_'.$subtype);
                        }
                        
                        $sorted[$subtype] = $def;
                        $sorted[$subtype]['translation'] = $translation;
                }
                
                
                $sorted = ilUtil::sortArray($sorted, 'translation','asc',true,true);
                foreach($sorted as $subtype => $def)
                {
                        if($objDefinition->isPlugin($subtype))
                        {
                                $translation = ilPlugin::lookupTxt("rep_robj", $subtype,"obj_".$subtype);
                        }
                        elseif($objDefinition->isSystemObject($subtype))
                        {
                                $translation = $this->lng->txt("obj_".$subtype);
                        }
                        else
                        {
                                $translation = $this->lng->txt('objs_'.$subtype);
                        }

                        include_once 'Services/AccessControl/classes/class.ilObjectRoleTemplatePermissionTableGUI.php';
                        $tbl = new ilObjectRoleTemplatePermissionTableGUI(
                                $this,
                                'perm',
                                $this->getParentRefId(),
                                $this->object->getId(),
                                $subtype,
                                $a_show_admin_permissions
                        );
                        $tbl->parse();
                        
                        $acc->addItem($translation, $tbl->getHTML());
                }

                $this->tpl->setVariable('ACCORDION',$acc->getHTML());
                
                // Add options table
                include_once './Services/AccessControl/classes/class.ilObjectRoleTemplateOptionsTableGUI.php';
                $options = new ilObjectRoleTemplateOptionsTableGUI(
                        $this,
                        'perm',
                        $this->obj_ref_id,
                        $this->object->getId(),
                        $a_show_admin_permissions
                );
                if($this->object->getId() != SYSTEM_ROLE_ID)
                {
                        $options->addMultiCommand(
                                $a_show_admin_permissions ? 'adminPermSave' : 'permSave',
                                $this->lng->txt('save')
                        );
                }

                $options->parse();
                $this->tpl->setVariable('OPTIONS_TABLE',$options->getHTML());
        }
        
        protected function adminPermObject()
        {
                return $this->permObject(true);
        }
        
        protected function adminPermSaveObject()
        {
                return $this->permSaveObject(true);
        }

        protected function adoptPermObject()
        {
                global $rbacreview;

                $output = array();
                
                $parent_role_ids = $rbacreview->getParentRoleIds($this->obj_ref_id,true);
                $ids = array();
                foreach($parent_role_ids as $id => $tmp)
                {
                        $ids[] = $id;
                }
                // Sort ids
                $sorted_ids = ilUtil::_sortIds($ids,'object_data','type,title','obj_id');
                $key = 0;
                foreach($sorted_ids as $id)
                {
                        $par = $parent_role_ids[$id];
                        if ($par["obj_id"] != SYSTEM_ROLE_ID && $this->object->getId() != $par["obj_id"])
                        {
                                $output[$key]["role_id"] = $par["obj_id"];
                                $output[$key]["type"] = ($par["type"] == 'role' ? $this->lng->txt('obj_role') : $this->lng->txt('obj_rolt'));
                                $output[$key]["role_name"] = ilObjRole::_getTranslation($par["title"]);
                                $output[$key]["role_desc"] = $par["desc"];
                                $key++;
                        }
                }


                include_once('./Services/AccessControl/classes/class.ilRoleAdoptPermissionTableGUI.php');

                $tbl = new ilRoleAdoptPermissionTableGUI($this, "adoptPerm");
                $tbl->setTitle($this->lng->txt("adopt_perm_from_template"));
                $tbl->setData($output);

                $this->tpl->setContent($tbl->getHTML());
        }
        
        protected function confirmDeleteRoleObject()
        {
                global $ilErr,$rbacreview,$ilUser;
                
                $access = $this->checkAccess('visible,write','edit_permission');
                if (!$access)
                {
                        $ilErr->raiseError($this->lng->txt('msg_no_perm_perm'),$ilErr->WARNING);
                }

                $question = $this->lng->txt('rbac_role_delete_qst');
                if($rbacreview->isAssigned($ilUser->getId(), $this->object->getId()))
                {
                        $question .= ('<br />'.$this->lng->txt('rbac_role_delete_self'));
                }
                ilUtil::sendQuestion($question);
                
                include_once './Services/Utilities/classes/class.ilConfirmationGUI.php';
                
                $confirm = new ilConfirmationGUI();
                $confirm->setFormAction($this->ctrl->getFormAction($this));
                $confirm->setHeaderText($question);
                $confirm->setCancel($this->lng->txt('cancel'), 'perm');
                $confirm->setConfirm($this->lng->txt('rbac_delete_role'), 'performDeleteRole');
                
                $confirm->addItem(
                        'role',
                        $this->object->getId(),
                        $this->object->getTitle(),
                        ilUtil::getImagePath('icon_role.svg')
                );
                
                $this->tpl->setContent($confirm->getHTML());
                return true;                            
        }

        
        protected function performDeleteRoleObject()
        {
                global $ilErr;

                $access = $this->checkAccess('visible,write','edit_permission');
                if (!$access)
                {
                        $ilErr->raiseError($this->lng->txt('msg_no_perm_perm'),$ilErr->WARNING);
                }
                
                $this->object->setParent((int) $this->obj_ref_id);
                $this->object->delete();
                ilUtil::sendSuccess($this->lng->txt('msg_deleted_role'),true);
                
                $this->ctrl->returnToParent($this);
        }

        function permSaveObject($a_show_admin_permissions = false)
        {
                global $rbacsystem, $rbacadmin, $rbacreview, $objDefinition, $tree;

                // for role administration check write of global role folder
                $access = $this->checkAccess('visible,write','edit_permission');
                        
                if (!$access)
                {
                        $this->ilias->raiseError($this->lng->txt("msg_no_perm_perm"),$this->ilias->error_obj->MESSAGE);
                }

                // rbac log
                include_once "Services/AccessControl/classes/class.ilRbacLog.php";
                $rbac_log_active = ilRbacLog::isActive();
                if($rbac_log_active)
                {
                        $rbac_log_old = ilRbacLog::gatherTemplate($this->obj_ref_id, $this->object->getId());
                }

                // delete all template entries of enabled types
                if($this->obj_ref_id == ROLE_FOLDER_ID)
                {
                        if($a_show_admin_permissions)
                        {
                                $subs = $objDefinition->getSubObjectsRecursively('adm',true,true);
                        }
                        else
                        {
                                $subs = $objDefinition->getSubObjectsRecursively('root',true,false);
                        }
                }
                else
                {
                        $subs = $objDefinition->getSubObjectsRecursively($this->getParentType(),true,false);
                }
                
                foreach($subs as $subtype => $def)
                {
                        // Delete per object type
                        $rbacadmin->deleteRolePermission($this->object->getId(),$this->obj_ref_id,$subtype);
                }

                if (empty($_POST["template_perm"]))
                {
                        $_POST["template_perm"] = array();
                }

                foreach ($_POST["template_perm"] as $key => $ops_array)
                {
                        // sets new template permissions
                        $rbacadmin->setRolePermission($this->object->getId(), $key, $ops_array, $this->obj_ref_id);
                }

                if($rbac_log_active)
                {
                        $rbac_log_new = ilRbacLog::gatherTemplate($this->obj_ref_id, $this->object->getId());
                        $rbac_log_diff = ilRbacLog::diffTemplate($rbac_log_old, $rbac_log_new);
                        ilRbacLog::add(ilRbacLog::EDIT_TEMPLATE, $this->obj_ref_id, $rbac_log_diff);
                }

                // update object data entry (to update last modification date)
                $this->object->update();
                
                // set protected flag
                if ($this->obj_ref_id == ROLE_FOLDER_ID or $rbacreview->isAssignable($this->object->getId(),$this->obj_ref_id))
                {
                        $rbacadmin->setProtected($this->obj_ref_id,$this->object->getId(),ilUtil::tf2yn($_POST['protected']));
                }
                
                if($a_show_admin_permissions)
                {
                        $_POST['recursive'] = true;
                }
                
                // Redirect if Change existing objects is not chosen
                if(!$_POST['recursive'] and !is_array($_POST['recursive_list']))
                {
                        ilUtil::sendSuccess($this->lng->txt("saved_successfully"),true);
                        if($a_show_admin_permissions)
                        {
                                $this->ctrl->redirect($this,'adminPerm');
                        }
                        else
                        {
                                $this->ctrl->redirect($this,'perm');
                        }
                }
                // New implementation
                if($this->isChangeExistingObjectsConfirmationRequired() and !$a_show_admin_permissions)
                {
                        $this->showChangeExistingObjectsConfirmation();
                        return true;
                }
                
                $start = ($this->obj_ref_id == ROLE_FOLDER_ID ? ROOT_FOLDER_ID : $this->obj_ref_id);
                if($a_show_admin_permissions)
                {
                        $start = $tree->getParentId($this->obj_ref_id);
                }

                if($_POST['protected'])
                {
                        $this->object->changeExistingObjects(
                                $start,
                                ilObjRole::MODE_PROTECTED_KEEP_LOCAL_POLICIES,
                                array('all'),
                                array()
                                #$a_show_admin_permissions ? array('adm') : array()
                        );
                }
                else
                {
                        $this->object->changeExistingObjects(
                                $start,
                                ilObjRole::MODE_UNPROTECTED_KEEP_LOCAL_POLICIES,
                                array('all'),
                                array()
                                #$a_show_admin_permissions ? array('adm') : array()
                        );
                }
                ilUtil::sendSuccess($this->lng->txt("saved_successfully"),true);
                
                if($a_show_admin_permissions)
                {
                        $this->ctrl->redirect($this,'adminPerm');
                }
                else
                {
                        $this->ctrl->redirect($this,'perm');
                }
                return true;
        }


        function adoptPermSaveObject()
        {
                global $rbacadmin, $rbacsystem, $rbacreview, $tree;

                if(!$_POST['adopt'])
                {
                        ilUtil::sendFailure($this->lng->txt('select_one'));
                        $this->adoptPermObject();
                        return false;
                }
        
                $access = $this->checkAccess('visible,write','edit_permission');
                if (!$access)
                {
                        $this->ilias->raiseError($this->lng->txt("msg_no_perm_perm"),$this->ilias->error_obj->MESSAGE);
                }

                if ($this->object->getId() == $_POST["adopt"])
                {
                        ilUtil::sendFailure($this->lng->txt("msg_perm_adopted_from_itself"),true);
                }
                else
                {
                        $rbacadmin->deleteRolePermission($this->object->getId(), $this->obj_ref_id);
                        $parentRoles = $rbacreview->getParentRoleIds($this->obj_ref_id,true);
                        $rbacadmin->copyRoleTemplatePermissions(
                                $_POST["adopt"],
                                $parentRoles[$_POST["adopt"]]["parent"],
                                $this->obj_ref_id,
                                $this->object->getId(),
                                false);         

                        // update object data entry (to update last modification date)
                        $this->object->update();

                        // send info
                        $obj_data =& $this->ilias->obj_factory->getInstanceByObjId($_POST["adopt"]);
                        ilUtil::sendSuccess($this->lng->txt("msg_perm_adopted_from1")." '".$obj_data->getTitle()."'.<br/>".
                                         $this->lng->txt("msg_perm_adopted_from2"),true);
                }

                $this->ctrl->redirect($this, "perm");
        }

        function assignSaveObject()
        {
        $this->assignUserObject();
    }


        
        public function addUserObject($a_user_ids)
        {
                global $rbacreview,$rbacadmin;
                
                if(!$this->checkAccess('edit_userassignment','edit_permission'))
                {
                        ilUtil::sendFailure($this->lng->txt('msg_no_perm_assign_user_to_role'),true);
                        return false;
                }
                if(!$rbacreview->isAssignable($this->object->getId(),$this->obj_ref_id) &&
                        $this->obj_ref_id != ROLE_FOLDER_ID)
                {
                        ilUtil::sendFailure($this->lng->txt('err_role_not_assignable'),true);
                        return false;
                }
                if(!$a_user_ids)
                {
                        $GLOBALS['lng']->loadLanguageModule('search');
                        ilUtil::sendFailure($this->lng->txt('search_err_user_not_exist'),true);
                        return false;
                }

                $assigned_users_all = $rbacreview->assignedUsers($this->object->getId());
                                
                // users to assign
                $assigned_users_new = array_diff($a_user_ids,array_intersect($a_user_ids,$assigned_users_all));
                
                // selected users all already assigned. stop
        if (count($assigned_users_new) == 0)
                {
                        ilUtil::sendInfo($this->lng->txt("rbac_msg_user_already_assigned"),true);
                        $this->ctrl->redirect($this,'userassignment');
                }
                
                // assign new users
        foreach ($assigned_users_new as $user)
                {
                        $rbacadmin->assignUser($this->object->getId(),$user,false);
        }
        
        // update object data entry (to update last modification date)
                $this->object->update();

                ilUtil::sendSuccess($this->lng->txt("msg_userassignment_changed"),true);
                $this->ctrl->redirect($this,'userassignment');
        }
        
        function deassignUserObject()
        {
        global $rbacsystem, $rbacadmin, $rbacreview;

                if(!$this->checkAccess('edit_userassignment','edit_permission'))
                {
                        $this->ilias->raiseError($this->lng->txt("msg_no_perm_assign_user_to_role"),$this->ilias->error_obj->MESSAGE);
                }

        $selected_users = ($_POST["user_id"]) ? $_POST["user_id"] : array($_GET["user_id"]);

                if ($selected_users[0]=== NULL)
                {
                        $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
                }

                // prevent unassignment of system user from system role
                if ($this->object->getId() == SYSTEM_ROLE_ID)
                {
            if ($admin = array_search(SYSTEM_USER_ID,$selected_users) !== false)
                            unset($selected_users[$admin]);
                }

                // check for each user if the current role is his last global role before deassigning him
                $last_role = array();
                $global_roles = $rbacreview->getGlobalRoles();
                
                foreach ($selected_users as $user)
                {
                        $assigned_roles = $rbacreview->assignedRoles($user);
                        $assigned_global_roles = array_intersect($assigned_roles,$global_roles);

                        if (count($assigned_roles) == 1 or (count($assigned_global_roles) == 1 and in_array($this->object->getId(),$assigned_global_roles)))
                        {
                                $userObj = $this->ilias->obj_factory->getInstanceByObjId($user);
                                $last_role[$user] = $userObj->getFullName();
                                unset($userObj);
                        }
                }

                
                // ... else perform deassignment
                foreach ($selected_users as $user)
        {
                        if(!isset($last_role[$user]))
                        {
                                $rbacadmin->deassignUser($this->object->getId(), $user);
                        }
                }

        // update object data entry (to update last modification date)
                $this->object->update();

                // raise error if last role was taken from a user...
                if(count($last_role))
                {
                        $user_list = implode(", ",$last_role);
                        ilUtil::sendFailure($this->lng->txt('msg_is_last_role').': '.$user_list.'<br />'.$this->lng->txt('msg_min_one_role'),true);
                }
                else
                {
                        ilUtil::sendSuccess($this->lng->txt("msg_userassignment_changed"), true);
                }
                $this->ctrl->redirect($this,'userassignment');
        }
        
        
        function userassignmentObject()
        {
                global $rbacreview, $rbacsystem, $lng, $ilUser;
                
                if(!$this->checkAccess('edit_userassignment','edit_permission'))
                {
                        $this->ilias->raiseError($this->lng->txt("msg_no_perm_assign_user_to_role"),$this->ilias->error_obj->MESSAGE);
                }
                
                $this->tabs_gui->setTabActive('user_assignment');
                
                $this->tpl->addBlockFile('ADM_CONTENT','adm_content','tpl.rbac_ua.html','Services/AccessControl');
                
                include_once './Services/UIComponent/Toolbar/classes/class.ilToolbarGUI.php';
                $tb = new ilToolbarGUI();

                // protected admin role
                include_once './Services/PrivacySecurity/classes/class.ilSecuritySettings.php';
                if(
                        $this->object->getId() != SYSTEM_ROLE_ID ||
                                (
                                        !$rbacreview->isAssigned($ilUser->getId(),SYSTEM_ROLE_ID) or
                                        !ilSecuritySettings::_getInstance()->isAdminRoleProtected()
                                )
                )
                {


                        // add member
                        include_once './Services/Search/classes/class.ilRepositorySearchGUI.php';
                        ilRepositorySearchGUI::fillAutoCompleteToolbar(
                                $this,
                                $tb,
                                array(
                                        'auto_complete_name'    => $lng->txt('user'),
                                        'submit_name'                   => $lng->txt('add')
                                )
                        );

        /*              
                        // add button
                        $tb->addFormButton($lng->txt("add"), "assignUser");
        */
                        $tb->addSpacer();

                        $tb->addButton(
                                $this->lng->txt('search_user'),
                                $this->ctrl->getLinkTargetByClass('ilRepositorySearchGUI','start')
                        );
                        $tb->addSpacer();
                }
                
                $tb->addButton(
                        $this->lng->txt('role_mailto'),
                        $this->ctrl->getLinkTarget($this,'mailToRole')
                );
                $this->tpl->setVariable('BUTTONS_UA',$tb->getHTML());
                
                
                include_once './Services/PrivacySecurity/classes/class.ilSecuritySettings.php';
                $role_assignment_editable = true;
                if(
                                $this->object->getId() == SYSTEM_ROLE_ID &&
                                !ilSecuritySettings::_getInstance()->checkAdminRoleAccessible($ilUser->getId()))
                {
                        $role_assignment_editable = false;
                }

                include_once './Services/AccessControl/classes/class.ilAssignedUsersTableGUI.php';
                $ut = new ilAssignedUsersTableGUI($this,'userassignment',$this->object->getId(),$role_assignment_editable);
                
                $this->tpl->setVariable('TABLE_UA',$ut->getHTML());
                
                return true;
                
    }


        function cancelObject()
        {
                if ($_GET["new_type"] != "role")
                {
                        $this->ctrl->redirect($this, "userassignment");
                }
                else
                {
                        $this->ctrl->redirectByClass("ilobjrolefoldergui","view");
                }
        }


        function listUsersRoleObject()
        {
                global $rbacsystem,$rbacreview;

                $_SESSION["role_role"] = $_POST["role"] = $_POST["role"] ? $_POST["role"] : $_SESSION["role_role"];

                if (!is_array($_POST["role"]))
                {
                        ilUtil::sendFailure($this->lng->txt("role_no_roles_selected"));
                        $this->searchObject();

                        return false;
                }

                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.role_usr_selection.html", "Services/AccessControl");
                $this->__showButton("searchUserForm",$this->lng->txt("role_new_search"));

                // GET ALL MEMBERS
                $members = array();

                foreach ($_POST["role"] as $role_id)
                {
                        $members = array_merge($rbacreview->assignedUsers($role_id),$members);
                }

                $members = array_unique($members);

                // FORMAT USER DATA
                $counter = 0;
                $f_result = array();

                foreach($members as $user)
                {
                        if(!$tmp_obj = ilObjectFactory::getInstanceByObjId($user,false))
                        {
                                continue;
                        }
                        
                        $user_ids[$counter] = $user;
                        
                        // TODO: exclude anonymous user
                        $f_result[$counter][] = ilUtil::formCheckbox(0,"user[]",$user);
                        $f_result[$counter][] = $tmp_obj->getLogin();
                        $f_result[$counter][] = $tmp_obj->getFirstname();
                        $f_result[$counter][] = $tmp_obj->getLastname();

                        unset($tmp_obj);
                        ++$counter;
                }

                $this->__showSearchUserTable($f_result,$user_ids,"listUsersRole");

                return true;
        }



        function __formatPath($a_path_arr)
        {
                $counter = 0;

                foreach ($a_path_arr as $data)
                {
                        if ($counter++)
                        {
                                $path .= " -> ";
                        }

                        $path .= $data['title'];
                }

                if (strlen($path) > 50)
                {
                        return '...'.substr($path,-50);
                }

                return $path;
        }

        function __prepareOutput()
        {
                // output objects
                $this->tpl->addBlockFile("CONTENT", "content", "tpl.adm_content.html");
                $this->tpl->addBlockFile("STATUSLINE", "statusline", "tpl.statusline.html");

                // output locator
                //$this->__setLocator();

                // output message
                if ($this->message)
                {
                        ilUtil::sendInfo($this->message);
                }

                // display infopanel if something happened
                ilUtil::infoPanel();

                // set header
                $this->__setHeader();
        }

        function __setHeader()
        {
                $this->tpl->setTitle($this->lng->txt('role'));
                $this->tpl->setDescription($this->object->getTitle());
                $this->tpl->setTitleIcon(ilUtil::getImagePath("icon_role.svg"));

                $this->getTabs($this->tabs_gui);
        }

        function __setLocator()
        {
                global $tree, $ilCtrl;
                
                return;
                
                $this->tpl->addBlockFile("LOCATOR", "locator", "tpl.locator.html", "Services/Locator");

                $counter = 0;

                foreach ($tree->getPathFull($this->obj_ref_id) as $key => $row)
                {
                        if ($counter++)
                        {
                                $this->tpl->touchBlock('locator_separator_prefix');
                        }

                        $this->tpl->setCurrentBlock("locator_item");

                        if ($row["type"] == 'rolf')
                        {
                                $this->tpl->setVariable("ITEM",$this->object->getTitle());
                                $this->tpl->setVariable("LINK_ITEM",$this->ctrl->getLinkTarget($this));
                        }
                        elseif ($row["child"] != $tree->getRootId())
                        {
                                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $row["child"]);
                                $this->tpl->setVariable("ITEM", $row["title"]);
                                $this->tpl->setVariable("LINK_ITEM",
                                        $ilCtrl->getLinkTargetByClass("ilrepositorygui", ""));
                        }
                        else
                        {
                                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $row["child"]);
                                $this->tpl->setVariable("ITEM", $this->lng->txt("repository"));
                                $this->tpl->setVariable("LINK_ITEM",
                                        $ilCtrl->getLinkTargetByClass("ilrepositorygui", ""));
                        }
                        $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);

                        $this->tpl->parseCurrentBlock();
                }

                $this->tpl->setVariable("TXT_LOCATOR",$this->lng->txt("locator"));
                $this->tpl->parseCurrentBlock();
        }
        
        function addAdminLocatorItems()
        {
                global $ilLocator;

                if ($_GET["admin_mode"] == "settings"
                        && $_GET["ref_id"] == ROLE_FOLDER_ID)   // system settings
                {               
                        parent::addAdminLocatorItems(true);

                        $ilLocator->addItem($this->lng->txt("obj_".ilObject::_lookupType(
                                ilObject::_lookupObjId($_GET["ref_id"]))),
                                $this->ctrl->getLinkTargetByClass("ilobjrolefoldergui", "view"));
                        
                        if ($_GET["obj_id"] > 0)
                        {
                                $ilLocator->addItem($this->object->getTitle(),
                                        $this->ctrl->getLinkTarget($this, "view"));
                        }
                }
                else                                                    // repository administration
                {
                        // ?
                }
        }
        



        function getTabs(&$tabs_gui)
        {
                global $rbacsystem,$rbacreview, $ilHelp;

                $base_role_container = $rbacreview->getFoldersAssignedToRole($this->object->getId(),true);
                

                $activate_role_edit = false;
                
                // todo: activate the following (allow editing of local roles in
                // roles administration)
                if (in_array($this->obj_ref_id,$base_role_container) ||
                        (strtolower($_GET["baseClass"]) == "iladministrationgui" &&
                        $_GET["admin_mode"] == "settings"))
                {
                        $activate_role_edit = true;
                }

                // not so nice (workaround for using tabs in repository)
                $tabs_gui->clearTargets();

                $ilHelp->setScreenIdComponent("role");

                if ($this->back_target != "")
                {
                        $tabs_gui->setBackTarget(
                                $this->back_target["text"],$this->back_target["link"]);
                }

                if($this->checkAccess('write','edit_permission') && $activate_role_edit)
                {
                        $tabs_gui->addTarget("edit_properties",
                                $this->ctrl->getLinkTarget($this, "edit"), array("edit","update"), get_class($this));
                }
/*
                if($this->checkAccess('write','edit_permission') and $this->showDefaultPermissionSettings())
                {
                        $force_active = ($_GET["cmd"] == "perm" || $_GET["cmd"] == "")
                                ? true
                                : false;
                        $tabs_gui->addTarget("default_perm_settings",
                                $this->ctrl->getLinkTarget($this, "perm"), array("perm", "adoptPermSave", "permSave"),
                                get_class($this),
                                "", $force_active);
                }
*/
                if($this->checkAccess('write','edit_permission') and $this->showDefaultPermissionSettings())
                {
                        $tabs_gui->addTarget(
                                "default_perm_settings",
                                $this->ctrl->getLinkTarget($this, "perm"), array(),get_class($this)
                        );
                }

                if($this->checkAccess('write','edit_permission') && $activate_role_edit && $this->object->getId() != ANONYMOUS_ROLE_ID)
                {
                        $tabs_gui->addTarget("user_assignment",
                                $this->ctrl->getLinkTarget($this, "userassignment"),
                                array("deassignUser", "userassignment", "assignUser", "searchUserForm", "search"),
                                get_class($this));
                }

                if($this->checkAccess('write','edit_permission') && $activate_role_edit  && $this->object->getId() != ANONYMOUS_ROLE_ID)
                {
                        $tabs_gui->addTarget("desktop_items",
                                $this->ctrl->getLinkTarget($this, "listDesktopItems"),
                                array("listDesktopItems", "deleteDesktopItems", "selectDesktopItem", "askDeleteDesktopItem"),
                                get_class($this));
                }
                if($this->checkAccess('write','edit_permission'))
                {
                        $tabs_gui->addTarget(
                                        'export',
                                        $this->ctrl->getLinkTargetByClass('ilExportGUI'),
                                        array()
                                );
                                        
                }
        }

        function mailToRoleObject()
        {
                global $rbacreview;
                
                $obj_ids = ilObject::_getIdsForTitle($this->object->getTitle(), $this->object->getType());              
                if(count($obj_ids) > 1)
                {
                        $_SESSION['mail_roles'][] = '#il_role_'.$this->object->getId();
                }
                else
                {               
                        $_SESSION['mail_roles'][] = $rbacreview->getRoleMailboxAddress($this->object->getId());
                }

        require_once 'Services/Mail/classes/class.ilMailFormCall.php';
        $script = ilMailFormCall::getRedirectTarget($this, 'userassignment', array(), array('type' => 'role'));
                ilUtil::redirect($script);
        }
        
        function checkAccess($a_perm_global,$a_perm_obj = '')
        {
                global $rbacsystem,$ilAccess;
                
                $a_perm_obj = $a_perm_obj ? $a_perm_obj : $a_perm_global;
                
                if($this->obj_ref_id == ROLE_FOLDER_ID)
                {
                        return $rbacsystem->checkAccess($a_perm_global,$this->obj_ref_id);
                }
                else
                {
                        return $ilAccess->checkAccess($a_perm_obj,'',$this->obj_ref_id);
                }
        }
        
        protected function isChangeExistingObjectsConfirmationRequired()
        {
                global $rbacreview;
                
                if(!(int) $_POST['recursive'] and !is_array($_POST['recursive_list']))
                {
                        return false;
                }
                
                // Role is protected
                if($rbacreview->isProtected($this->obj_ref_id, $this->object->getId()))
                {
                        // TODO: check if recursive_list is enabled
                        // and if yes: check if inheritance is broken for the relevant object types
                        return count($rbacreview->getFoldersAssignedToRole($this->object->getId())) > 1;
                }
                else
                {
                        // TODO: check if recursive_list is enabled
                        // and if yes: check if inheritance is broken for the relevant object types
                        return count($rbacreview->getFoldersAssignedToRole($this->object->getId())) > 1;
                }
        }
        
        protected function showChangeExistingObjectsConfirmation()
        {
                $protected = $_POST['protected'];
                
                include_once './Services/Form/classes/class.ilPropertyFormGUI.php';
                $form = new ilPropertyFormGUI();
                $form->setFormAction($this->ctrl->getFormAction($this,'changeExistingObjects'));
                $form->setTitle($this->lng->txt('rbac_change_existing_confirm_tbl'));
                
                $form->addCommandButton('changeExistingObjects', $this->lng->txt('change_existing_objects'));
                $form->addCommandButton('perm',$this->lng->txt('cancel'));
                
                $hidden = new ilHiddenInputGUI('type_filter');
                $hidden->setValue(
                        $_POST['recursive'] ?
                                serialize(array('all')) :
                                serialize($_POST['recursive_list'])
                );
                $form->addItem($hidden);

                $rad = new ilRadioGroupInputGUI($this->lng->txt('rbac_local_policies'),'mode');
                
                if($protected)
                {
                        $rad->setValue(ilObjRole::MODE_PROTECTED_DELETE_LOCAL_POLICIES);
                        $keep = new ilRadioOption(
                                $this->lng->txt('rbac_keep_local_policies'),
                                ilObjRole::MODE_PROTECTED_KEEP_LOCAL_POLICIES,
                                $this->lng->txt('rbac_keep_local_policies_info')
                        );
                }
                else
                {
                        $rad->setValue(ilObjRole::MODE_UNPROTECTED_KEEP_LOCAL_POLICIES);
                        $keep = new ilRadioOption(
                                $this->lng->txt('rbac_keep_local_policies'),
                                ilObjRole::MODE_UNPROTECTED_KEEP_LOCAL_POLICIES,
                                $this->lng->txt('rbac_unprotected_keep_local_policies_info')
                        );
                        
                }
                $rad->addOption($keep);
                
                if($protected)
                {
                        $del =  new ilRadioOption(
                                $this->lng->txt('rbac_delete_local_policies'),
                                ilObjRole::MODE_PROTECTED_DELETE_LOCAL_POLICIES,
                                $this->lng->txt('rbac_delete_local_policies_info')
                        );
                }
                else
                {
                        $del =  new ilRadioOption(
                                $this->lng->txt('rbac_delete_local_policies'),
                                ilObjRole::MODE_UNPROTECTED_DELETE_LOCAL_POLICIES,
                                $this->lng->txt('rbac_unprotected_delete_local_policies_info')
                        );
                }
                $rad->addOption($del);
                
                $form->addItem($rad);
                $this->tpl->setContent($form->getHTML());
        }
        
        protected function changeExistingObjectsObject()
        {
                global $tree,$rbacreview,$rbacadmin;
                
                $mode = (int) $_POST['mode'];
                $start = ($this->obj_ref_id == ROLE_FOLDER_ID ? ROOT_FOLDER_ID : $this->obj_ref_id);
                
                $this->object->changeExistingObjects($start,$mode,unserialize(ilUtil::stripSlashes($_POST['type_filter'])));
                
                ilUtil::sendSuccess($this->lng->txt('settings_saved'),true);
                $this->ctrl->redirect($this,'perm');
        }
        
        protected function setSubTabs($a_tab)
        {
                global $ilTabs;
                
                switch($a_tab)
                {
                        case 'default_perm_settings':
                                if($this->obj_ref_id != ROLE_FOLDER_ID)
                                {
                                        return true;
                                }
                                $ilTabs->addSubTabTarget(
                                        'rbac_repository_permissions',
                                        $this->ctrl->getLinkTarget($this,'perm')
                                );
                                $ilTabs->addSubTabTarget(
                                        'rbac_admin_permissions',
                                        $this->ctrl->getLinkTarget($this,'adminPerm')
                                );
                }
                return true;
        }
        
        
} // END class.ilObjRoleGUI
?>