class.ilRemoteObjectBaseGUI.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
 
include_once('Services/Object/classes/class.ilObject2GUI.php');
 
abstract class ilRemoteObjectBaseGUI extends ilObject2GUI
{               
        public function __construct($a_id = 0, $a_id_type = self::REPOSITORY_NODE_ID, $a_parent_node_id = 0)
        {
                parent::__construct($a_id, $a_id_type, $a_parent_node_id);
 
                $this->lng->loadLanguageModule('ecs');
        }
        
        public function executeCommand()
        {
                global $ilTabs;
                
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();
 
                $this->prepareOutput();
 
                switch($next_class)
                {
                        case 'ilinfoscreengui':
                                // forwards command
                                $this->infoScreen();    
                                break;
                
                        case 'ilpermissiongui':
                                $ilTabs->activateTab('id_permissions');
                                include_once("Services/AccessControl/classes/class.ilPermissionGUI.php");
                                $this->ctrl->forwardCommand(new ilPermissionGUI($this));
                                break;
                        
                        case "ilcommonactiondispatchergui":
                                include_once("Services/Object/classes/class.ilCommonActionDispatcherGUI.php");
                                $gui = ilCommonActionDispatcherGUI::getInstanceFromAjaxCall();
                                $this->ctrl->forwardCommand($gui);
                                break;
 
                        default:
                                if(!$cmd || $cmd == 'view')
                                {
                                        $cmd = "editSettings";
                                }
                                $cmd .= "Object";
                                $this->$cmd();
                                break;
                }
                return true;
        }
        
        public function showObject()
        {
                global $ilUser;
                
                if($ilUser->getId() == ANONYMOUS_USER_ID || 
                        $this->object->isLocalObject())
                {
                        ilUtil::redirect($this->object->getRemoteLink());
                }
                else 
                {
                        $link = $this->object->getFullRemoteLink();
                        ilUtil::redirect($link);
                }       
        }
        
        public function setTabs()
        {
                global $ilTabs;
                
                if($this->checkPermissionBool('visible'))
                {
                        $ilTabs->addTab("info", $this->lng->txt("info_short"),
                                $this->ctrl->getLinkTarget($this, "infoScreen"));
                }
 
                if($this->checkPermissionBool('write'))
                {
                        $ilTabs->addTab("edit", $this->lng->txt("edit"),
                                $this->ctrl->getLinkTarget($this, "edit"));
                }
                
                // will add permissions if needed
                parent::setTabs();
        }
        
        public function callObject()
        {
                include_once './Services/Tracking/classes/class.ilChangeEvent.php';
                ilChangeEvent::_recordReadEvent(
                                $this->getType(),
                                $this->object->getRefId(),
                                $this->object->getId(),
                                $GLOBALS['ilUser']->getId()
                );
                                
 
                // check if the assigned object is hosted on the same installation
                $link = $this->object->getFullRemoteLink();
                if($link)
                {
                        ilUtil::redirect($link);
                        return true;
                }
                else
                {
                        ilUtil::sendFailure('Cannot call remote object.');
                        $this->infoScreenObject();
                        return false;
                }
        }
        
        function infoScreenObject()
        {
                $this->ctrl->setCmd("showSummary");
                $this->ctrl->setCmdClass("ilinfoscreengui");
                $this->infoScreen();
        }
        
        public function infoScreen()
        {
                global $ilErr,$ilUser,$ilTabs;
                
                if(!$this->checkPermissionBool('visible'))
                {
                        $ilErr->raiseError($this->lng->txt('msg_no_perm_read'),$ilErr->MESSAGE);
                }
                
                $ilTabs->activateTab('info');
 
                include_once("./Services/InfoScreen/classes/class.ilInfoScreenGUI.php");
                $info = new ilInfoScreenGUI($this);
        
                if($ilUser->getId() == ANONYMOUS_USER_ID ||
                        $this->object->isLocalObject())
                {
                        $info->addButton($this->lng->txt($this->getType().'_call'),
                                $this->object->getRemoteLink(),
                                'target="_blank"');
                }
                else
                {
                        $info->addButton($this->lng->txt($this->getType().'_call'),
                                $this->ctrl->getLinkTarget($this,'call'),
                                'target="_blank"');
                }       
                
                $info->addSection($this->lng->txt('ecs_general_info'));
                $info->addProperty($this->lng->txt('title'),$this->object->getTitle());
                if(strlen($this->object->getOrganization()))
                {
                        $info->addProperty($this->lng->txt('organization'),$this->object->getOrganization());
                }                       
                if(strlen($this->object->getDescription()))
                {
                        $info->addProperty($this->lng->txt('description'),$this->object->getDescription());
                }
                if(strlen($loc = $this->object->getLocalInformation()))
                {
                        $info->addProperty($this->lng->txt('ecs_local_information'),$this->object->getLocalInformation());
                }
                
                $this->addCustomInfoFields($info);
                                
                include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDRecordGUI.php');
                $record_gui = new ilAdvancedMDRecordGUI(ilAdvancedMDRecordGUI::MODE_INFO,
                        $this->getType(),$this->object->getId());
                $record_gui->setInfoObject($info);
                $record_gui->parse();
                
                $this->ctrl->forwardCommand($info);
        }
        
        protected function addCustomInfoFields(ilInfoScreenGUI $a_info)
        {
 
        }
        
        public function editObject(ilPropertyFormGUI $a_form = null)
        {
                global $ilErr,$ilTabs;
 
                if(!$this->checkPermissionBool('write'))
                {
                        $ilErr->raiseError($this->lng->txt('msg_no_perm_read'),$ilErr->MESSAGE);
                }
                
                $ilTabs->activateTab('edit');
                
                if(!$a_form)
                {
                        $a_form = $this->initEditForm();
                }
                $this->tpl->setContent($a_form->getHTML());
        }
        
        protected function initEditForm()
        {
                include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();
                $form->setFormAction($this->ctrl->getFormAction($this));
                $form->setTitle($this->lng->txt('ecs_general_info'));
                $form->addCommandButton('update',$this->lng->txt('save'));
                $form->addCommandButton('edit',$this->lng->txt('cancel'));
                
                $text = new ilTextInputGUI($this->lng->txt('title'),'title');
                $text->setValue($this->object->getTitle());
                $text->setSize(min(40, ilObject::TITLE_LENGTH));
                $text->setMaxLength(ilObject::TITLE_LENGTH);
                $text->setDisabled(true);
                $form->addItem($text);
 
                $area = new ilTextAreaInputGUI($this->lng->txt('description'),'description');
                $area->setValue($this->object->getDescription());
                $area->setRows(3);
                $area->setCols(80);
                $area->setDisabled(true);
                $form->addItem($area);
                
                $area = new ilTextAreaInputGUI($this->lng->txt('ecs_local_information'),'local_info');
                $area->setValue($this->object->getLocalInformation());
                $area->setRows(3);
                $area->setCols(80);
                $form->addItem($area);
                
                $this->addCustomEditForm($form);
                
                include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDRecordGUI.php');
                $record_gui = new ilAdvancedMDRecordGUI(ilAdvancedMDRecordGUI::MODE_EDITOR,
                        $this->getType(),$this->object->getId());
                $record_gui->setPropertyForm($form);
                $record_gui->parse();
                
                return $form;
        }               
        
        protected function addCustomEditForm(ilPropertyFormGUI $a_form)
        {
                
        }
 
        public function updateObject()
        {
                global $ilErr;
                                
                if(!$this->checkPermissionBool('write'))
                {
                        $ilErr->raiseError($this->lng->txt('msg_no_perm_read'),$ilErr->MESSAGE);
                }
                
                $form = $this->initEditForm();
                if($form->checkInput())
                {
                        $this->object->setLocalInformation($a_form->getInput('local_info'));
                        
                        $this->updateCustomValues($form);
                                        
                        $this->object->update();
 
                        // Save advanced meta data
                        include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDRecordGUI.php');
                        $record_gui = new ilAdvancedMDRecordGUI(ilAdvancedMDRecordGUI::MODE_EDITOR,
                                $this->getType(), $this->object->getId());
                        $record_gui->loadFromPost();
                        $record_gui->saveValues();
                        
                        ilUtil::sendSuccess($this->lng->txt("settings_saved"));
                        $this->editObject();
                }
                
                $form->setValuesByPost();
                $this->editObject($form);
        }
        
        protected function updateCustomValues(ilPropertyFormGUI $a_form)
        {
                
        }
        
        public static function _goto($a_target)
        {
                global $ilErr, $lng, $ilAccess;
 
                //static if ($this->checkPermissionBool("visible", "", "", $a_target))
                if($ilAccess->checkAccess('visible','',$a_target))
                {
                        $_GET["cmd"] = "infoScreen";
                        $_GET["ref_id"] = $a_target;
                        $_GET["baseClass"] = "ilRepositoryGUI";
                        include("ilias.php");
                        exit;
                }
                //static else if ($this->checkPermissionBool("read", "", "", ROOT_FOLDER_ID))
                if($ilAccess->checkAccess('read','',ROOT_FOLDER_ID))
                {
                        $_GET["cmd"] = "frameset";
                        $_GET["target"] = "";
                        $_GET["ref_id"] = ROOT_FOLDER_ID;
                        ilUtil::sendFailure(sprintf($lng->txt("msg_no_perm_read_item"),
                                ilObject::_lookupTitle(ilObject::_lookupObjId($a_target))), true);
                        $_GET["baseClass"] = "ilRepositoryGUI";
                        include("ilias.php");
                        exit;
                }
                
                $ilErr->raiseError($lng->txt("msg_no_perm_read"), $ilErr->FATAL);
        }       
}
 
?>