class.ilObjiLincClassroomGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

include_once "./Services/Object/classes/class.ilObjectGUI.php";
include_once "./Modules/ILinc/classes/class.ilObjiLincClassroom.php";

class ilObjiLincClassroomGUI extends ilObjectGUI
{
        private $form_gui = null;
        
        function ilObjiLincClassroomGUI($a_icla_id,$a_icrs_id,$a_call_by_reference = false,$a_prepare_output = false)
        {
                global $ilCtrl,$lng,$ilias,$objDefinition,$tpl,$tree,$ilErr;
                
                $this->type = "icla";
                $this->id = $a_icla_id;
                $this->parent = $a_icrs_id;
                $this->ilias =& $ilias;
                $this->objDefinition =& $objDefinition;
                $this->tpl =& $tpl;
                $this->html = "";
                $this->ctrl =& $ilCtrl;
                $this->lng =& $lng;
                $this->tree =& $tree;
                $this->ilErr =& $ilErr;

                //$this->ctrl->saveParameter($this,'parent');
                $this->lng->loadLanguageModule('ilinc');
                
                $this->formaction = array();
                $this->return_location = array();
                $this->target_frame = array();
                //$this->tab_target_script = "adm_object.php";
                $this->actions = "";
                $this->sub_objects = "";

                //prepare output
                if (false)
                {
                        $this->prepareOutput();
                }
                
                $this->assignObject();
        }
        
        function assignObject()
        {
                $this->object = new ilObjiLincClassroom($this->id, $this->parent);
        }
        
        public function create()
        {
                $this->prepareOutput();
                
                $this->initSettingsForm('create');
                $this->getDefaultValues();
                return $this->tpl->setVariable('ADM_CONTENT', $this->form_gui->getHtml());
        }
        
        protected function getDefaultValues()
        {
                $data = array(
                        'title' => '',
                        'desc' => '',
                        'instructoruserid' => 0,
                        'alwaysopen' => 1
                );              
                
                $icrs_obj_id = ilObject::_lookupObjectId( $this->parent );
                include_once 'Modules/ILinc/classes/class.ilObjiLincCourse.php';
                $akclassvalues = ilObjiLincCourse::_getAKClassValues( $icrs_obj_id );
                $data['akclassvalue1'] = $akclassvalues[0];
                $data['akclassvalue2'] = $akclassvalues[1];
                
                $this->form_gui->setValuesByArray( $data );
        }

        public function save()
        {
                $this->prepareOutput();
                
                $this->initSettingsForm('create');
                if($this->form_gui->checkInput())
                {
                        $_POST['Fobject']['title'] = $this->form_gui->getInput('title');
                        $_POST['Fobject']['desc'] = $this->form_gui->getInput('desc');  
                        $_POST['Fobject']['instructoruserid'] = $this->form_gui->getInput('instructoruserid');
                        $_POST['Fobject']['alwaysopen'] = $this->form_gui->getInput('alwaysopen');
                        
                        // Akclassvalues 
                        if($this->ilias->getSetting('ilinc_akclassvalues_active'))
                        {
                                $icrs_obj_id = ilObject::_lookupObjectId( $this->parent );
                                include_once 'Modules/ILinc/classes/class.ilObjiLincCourse.php';
                                $akclassvalues = ilObjiLincCourse::_getAKClassValues( $icrs_obj_id );
                                
                                $_POST['Fobject']['akclassvalue1'] = $akclassvalues[0];
                                $_POST['Fobject']['akclassvalue2'] = $akclassvalues[1];
                        }
                        
                        $ilinc_course_id = ilObjiLincClassroom::_lookupiCourseId( $this->parent );
        
                        $this->object->ilincAPI->addClass($ilinc_course_id, $_POST['Fobject']);
                        $response = $this->object->ilincAPI->sendRequest('addClass');                   
                        if($response->isError())
                        {
                                $this->ilErr->raiseError($response->getErrorMsg(), $this->ilErr->MESSAGE);
                        }
        
                        // Always send a message
                        ilUtil::sendInfo($response->getResultMsg(), true);
                        
                        $this->ctrl->redirectByClass('ilobjilinccoursegui');
                }
                else
                {
                        if($this->ilias->getSetting('ilinc_akclassvalues_active'))
                        {
                                $icrs_obj_id = ilObject::_lookupObjectId( $this->parent );
                                include_once 'Modules/ILinc/classes/class.ilObjiLincCourse.php';
                                $akclassvalues = ilObjiLincCourse::_getAKClassValues( $icrs_obj_id );
                                
                                $_POST['akclassvalue1'] = $akclassvalues[0];
                                $_POST['akclassvalue2'] = $akclassvalues[1];
                        }
                        
                        $this->form_gui->setValuesByPost();
                        return $this->tpl->setVariable('ADM_CONTENT', $this->form_gui->getHtml());
                }
        }
        
        function joinClassroom()
        {
                // join class
                $url = $this->object->joinClass($this->ilias->account,$_GET['class_id']);

                if (!$url)
                {
                        $this->ilias->raiseError($this->object->getErrorMsg(),$this->ilias->error_obj->FATAL);
                }

                ilUtil::redirect(trim($url));
        }
        
        public function editClassroom()
        {
                $this->initSettingsForm('edit');                
                $this->getObjectValues();
                return $this->tpl->setVariable('ADM_CONTENT', $this->form_gui->getHtml());      
        }
        
        protected function getObjectValues()
        {
                $data = array(
                        'title' => $this->object->getTitle(),
                        'desc' => $this->object->getDescription(),
                        'alwaysopen' => $this->object->getStatus(),
                        'instructoruserid' => $this->object->getDocentId()
                );              
                
                $icrs_obj_id = ilObject::_lookupObjectId( $this->parent );
                include_once 'Modules/ILinc/classes/class.ilObjiLincCourse.php';
                $akclassvalues = ilObjiLincCourse::_getAKClassValues( $icrs_obj_id );
                $data['akclassvalue1'] = $akclassvalues[0];
                $data['akclassvalue2'] = $akclassvalues[1];
                
                $this->form_gui->setValuesByArray( $data );
        }
        
        protected function initSettingsForm($a_mode = 'create')
        {
                include_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
                
                $this->form_gui = new ilPropertyFormGUI();
                $this->form_gui->setTableWidth('600');
                if($a_mode == 'create')
                {
                        $this->form_gui->setTitle($this->lng->txt('icla_add'));
                }               
                else
                {
                        $this->form_gui->setTitle($this->lng->txt('icla_edit'));
                }               
                $this->form_gui->setTitleIcon(ilUtil::getTypeIconPath('icla', 0));
                
                // Title
                $text_input = new ilTextInputGUI($this->lng->txt('title'), 'title');
                $text_input->setRequired(true);
                $this->form_gui->addItem($text_input);
                
                // Description
                $text_area = new ilTextAreaInputGUI($this->lng->txt('desc'), 'desc');
                $this->form_gui->addItem($text_area);
                
                // Docentselection
                $sel = new ilSelectInputGUI($this->lng->txt(ILINC_MEMBER_DOCENT), 'instructoruserid');
                $docentlist = $this->object->getDocentList();
                $docent_options = array();              
                $docent_options[0] = $this->lng->txt('please_choose');
                foreach((array)$docentlist as $id => $data)
                {
                        $docent_options[$id] = $data['fullname'];
                }
                $sel->setOptions($docent_options);
                $this->form_gui->addItem($sel);         
                
                // Open
                $rg = new ilRadioGroupInputGUI($this->lng->txt('access'), 'alwaysopen');
                $rg->setValue(0);
                        $ro = new ilRadioOption($this->lng->txt('ilinc_classroom_open'), 1);
                $rg->addOption($ro);
                        $ro = new ilRadioOption($this->lng->txt('ilinc_classroom_closed'), 0);
                $rg->addOption($ro);                            
                $this->form_gui->addItem($rg);  
                
                // Display akclassvalues 
                if($this->ilias->getSetting('ilinc_akclassvalues_active'))
                {                       
                        $text_input = new ilTextInputGUI($this->lng->txt('akclassvalue1'), 'akclassvalue1');
                        $text_input->setDisabled(true);
                        $this->form_gui->addItem($text_input);
                        
                        $text_input = new ilTextInputGUI($this->lng->txt('akclassvalue2'), 'akclassvalue2');
                        $text_input->setDisabled(true);
                        $this->form_gui->addItem($text_input);                  
                }       
                
                // save and cancel commands
                if($a_mode == 'create')
                {
                        $this->ctrl->setParameter($this, 'mode', 'create');
                        $this->ctrl->setParameter($this, 'new_type', 'icla');
                        
                        $this->form_gui->addCommandButton('save', $this->lng->txt('icla_add'));
                        $this->form_gui->addCommandButton('cancel', $this->lng->txt('cancel'));
                        $this->form_gui->setFormAction($this->ctrl->getFormAction($this, 'save'));
                }
                else
                {
                        $this->ctrl->setParameter($this, 'class_id', $this->object->id);
                        
                        $this->form_gui->addCommandButton('updateClassroom', $this->lng->txt('save'));
                        $this->form_gui->addCommandButton('cancel', $this->lng->txt('cancel'));
                        $this->form_gui->setFormAction($this->ctrl->getFormAction($this, 'updateClassroom'));
                }
        }
        
        function getTabs(&$tabs_gui)
        {
                // tabs are defined manually here. The autogeneration via objects.xml will be deprecated in future
                // for usage examples see ilObjGroupGUI or ilObjSystemFolderGUI
        }
        
        function removeClassroom($a_error = false)
        {               
                // display confirmation message
                $obj_str = "&class_id=".$this->object->id;
                include_once("./Services/Utilities/classes/class.ilConfirmationGUI.php");
                $cgui = new ilConfirmationGUI();
                $cgui->setFormAction($this->getFormAction("delete",$this->ctrl->getFormAction($this).$obj_str));
                $cgui->setHeaderText($this->lng->txt("info_delete_sure"));
                $cgui->setCancel($this->lng->txt("cancelDeleteClassroom"), "cancel");
                $cgui->setConfirm($this->lng->txt("confirmedDeleteClassroom"), "confirm");
                                
                $caption = ilUtil::getImageTagByType($this->object->getType(), $this->tpl->tplPath).
                        " ".$this->object->getTitle().
                        " ".$this->object->getDescription();
                
                $cgui->addItem("id[]", $this->object->getId(), $caption);               
        }
        
        public function updateClassroom()
        {
                $this->initSettingsForm('edit');
                if($this->form_gui->checkInput())
                {                       
                        $this->object->setTitle( $this->form_gui->getInput('title' ));
                        $this->object->setDescription( $this->form_gui->getInput('desc') );
                        $this->object->setDocentId( $this->form_gui->getInput('instructoruserid') );
                        $this->object->setStatus( $this->form_gui->getInput('alwaysopen') );
                        
                        if(!$this->object->update())
                        {
                                $this->ilErr->raiseError($this->object->getErrorMsg(), $this->ilErr->MESSAGE);
                        }

                        ilUtil::sendInfo($this->getResultMsg(), true);
                        
                        $this->ctrl->redirectByClass('ilobjilinccoursegui');
                }
                else
                {
                        if($this->ilias->getSetting('ilinc_akclassvalues_active'))
                        {
                                $icrs_obj_id = ilObject::_lookupObjectId( $this->parent );
                                include_once 'Modules/ILinc/classes/class.ilObjiLincCourse.php';
                                $akclassvalues = ilObjiLincCourse::_getAKClassValues( $icrs_obj_id );
                                
                                $_POST['akclassvalue1'] = $akclassvalues[0];
                                $_POST['akclassvalue2'] = $akclassvalues[1];
                        }
                        
                        $this->form_gui->setValuesByPost();
                        return $this->tpl->setVariable('ADM_CONTENT', $this->form_gui->getHtml());
                }               
        }
        
        function &executeCommand()
        {
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();

                switch($next_class)
                {
                        default:
                                $this->$cmd();
                                break;
                }

                return true;
        }
        
        function cancelDeleteClassroom()
        {
                ilSession::clear("saved_post");
                
                ilUtil::sendInfo($this->lng->txt("msg_cancel"),true);

                $this->ctrl->redirectByClass("ilobjilinccoursegui");
        }
        
        function confirmedDeleteClassroom()
        {
                if (!$this->object->delete())
                {
                        $msg = $this->object->getErrorMsg();
                }
                else
                {
                        $msg = $this->lng->txt('icla_deleted');
                }
                
                // Feedback
                ilUtil::sendInfo($msg,true);
                
                $this->ctrl->redirectByClass("ilobjilinccoursegui");
        }
        
        function getResultMsg()
        {
                return $this->object->result_msg;
        }
        
        function cancel()
        {
                ilUtil::sendInfo($this->lng->txt("msg_cancel"),true);

                $this->ctrl->redirectByClass("ilobjilinccoursegui");
        }
} // END class.ilObjiLincClassroomGUI
?>