ilinc/classes/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 "./classes/class.ilObjectGUI.php";
include_once "class.ilObjiLincClassroom.php";

class ilObjiLincClassroomGUI extends ilObjectGUI
{
        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->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);
        }
        
        function create()
        {
                $this->prepareOutput();

                $new_type = $_POST["new_type"] ? $_POST["new_type"] : $_GET["new_type"];

                // fill in saved values in case of error
                $data = array();
                $data["fields"] = array();
                $data["fields"]["title"] = ilUtil::prepareFormOutput($_SESSION["error_post_vars"]["Fobject"]["title"],true);
                $data["fields"]["desc"] = ilUtil::stripSlashes($_SESSION["error_post_vars"]["Fobject"]["desc"]);
                $data["fields"]["homepage"] = ilUtil::prepareFormOutput($_SESSION["error_post_vars"]["Fobject"]["homepage"],true);
                $data["fields"]["download"] = ilUtil::prepareFormOutput($_SESSION["error_post_vars"]["Fobject"]["download"],true);

                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.icla_edit.html","ilinc");
                
                $this->tpl->setVariable("TXT_TITLE", $this->lng->txt("title"));
                $this->tpl->setVariable("TITLE", $data["fields"]["title"]);
                $this->tpl->setVariable("TXT_DESC", $this->lng->txt("desc"));
                $this->tpl->setVariable("DESC", $data["fields"]["desc"]);

                // get all docents of course
                $docentlist = $this->object->getDocentList();
                
                $docent_options[0] = $this->lng->txt('please_choose');

                foreach ($docentlist as $id => $data)
                {
                        $docent_options[$id] = $data['fullname'];
                }
                
                $sel_docents = ilUtil::formSelect("0","Fobject[instructoruserid]",$docent_options,false,true);
                
                $this->tpl->setVariable("TXT_DOCENT", $this->lng->txt(ILINC_MEMBER_DOCENT));
                $this->tpl->setVariable("SEL_DOCENT", $sel_docents);
                
                /*$docent = 0; $student = 0;

                if ($ilinc_status == ILINC_MEMBER_DOCENT)
                {
                        $docent = 1;
                }
                elseif ($ilinc_status == ILINC_MEMBER_STUDENT)
                {
                        $student = 1;
                }*/
                
                $radio1 = ilUtil::formRadioButton(1,"Fobject[alwaysopen]","1");
                $radio2 = ilUtil::formRadioButton(0,"Fobject[alwaysopen]","0");
                
                $this->tpl->setVariable("TXT_ACCESS", $this->lng->txt("access"));
                $this->tpl->setVariable("SEL_ACCESS", $radio1." ".$this->lng->txt("ilinc_classroom_open").$radio2." ".$this->lng->txt("ilinc_classroom_closed"));

                $this->tpl->setVariable("FORMACTION", $this->getFormAction("save",$this->ctrl->getFormAction($this)."&new_type=".$new_type));

                $this->tpl->setVariable("TXT_HEADER", $this->lng->txt($new_type."_new"));
                $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
                $this->tpl->setVariable("TXT_SUBMIT", $this->lng->txt($new_type."_add"));
                $this->tpl->setVariable("CMD_SUBMIT", "save");
                $this->tpl->setVariable("TARGET", $this->getTargetFrame("save"));
                $this->tpl->setVariable("TXT_REQUIRED_FLD", $this->lng->txt("required_field"));
        }

        function save()
        {
                $ilinc_course_id = ilObjiLincClassroom::_lookupiCourseId($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);
                }

                //$iClaObj->saveID($response->getFirstID(),$icrs_id);

                // always send a message
                sendInfo($response->getResultMsg(),true);
                
                $this->ctrl->redirectByClass("ilobjilinccoursegui");
        }
        
        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));
        }
        
        function editClassroom()
        {
                $fields = array();

                if ($_SESSION["error_post_vars"])
                {
                        // fill in saved values in case of error
                        $fields["title"] = ilUtil::prepareFormOutput($_SESSION["error_post_vars"]["Fobject"]["title"],true);
                        $fields["desc"] = ilUtil::stripSlashes($_SESSION["error_post_vars"]["Fobject"]["desc"]);
                }
                else
                {
                        $fields["title"] = ilUtil::prepareFormOutput($this->object->getTitle());
                        $fields["desc"] = ilUtil::stripSlashes($this->object->getDescription());
                }

                $this->displayEditForm($fields);
        }
        
        function displayEditForm($fields)
        {
                //$this->getTemplateFile("edit");
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.icla_edit.html","ilinc");

                foreach ($fields as $key => $val)
                {
                        $this->tpl->setVariable("TXT_".strtoupper($key), $this->lng->txt($key));
                        $this->tpl->setVariable(strtoupper($key), $val);
                        $this->tpl->parseCurrentBlock();
                }

                // get all docents of course
                $docentlist = $this->object->getDocentList();
                
                $docent_options[0] = $this->lng->txt('please_choose');

                foreach ($docentlist as $id => $data)
                {
                        $docent_options[$id] = $data['fullname'];
                }
                
                $sel_docents = ilUtil::formSelect($this->object->getDocentId(),"Fobject[instructoruserid]",$docent_options,false,true);
                
                $this->tpl->setVariable("TXT_DOCENT", $this->lng->txt(ILINC_MEMBER_DOCENT));
                $this->tpl->setVariable("SEL_DOCENT", $sel_docents);
                
                
                $open = 0; $closed = 0;

                if ($this->object->getStatus())
                {
                        $open = 1;
                }
                else
                {
                        $closed = 1;
                }
                
                $radio1 = ilUtil::formRadioButton($open,"Fobject[alwaysopen]","1");
                $radio2 = ilUtil::formRadioButton($closed,"Fobject[alwaysopen]","0");
                
                $this->tpl->setVariable("TXT_ACCESS", $this->lng->txt("access"));
                $this->tpl->setVariable("SEL_ACCESS", $radio1." ".$this->lng->txt("ilinc_classroom_open").$radio2." ".$this->lng->txt("ilinc_classroom_closed"));

                $obj_str = "&class_id=".$this->object->id;
                $this->tpl->setVariable("FORMACTION", $this->getFormAction("update",$this->ctrl->getFormAction($this).$obj_str));

                $this->tpl->setVariable("TXT_HEADER", $this->lng->txt($this->object->getType()."_edit"));
                $this->tpl->setVariable("TARGET", $this->getTargetFrame("update"));
                $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
                $this->tpl->setVariable("TXT_SUBMIT", $this->lng->txt("save"));
                $this->tpl->setVariable("CMD_SUBMIT", "updateClassroom");
                $this->tpl->setVariable("TXT_REQUIRED_FLD", $this->lng->txt("required_field"));

        }
        
        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($a_error = false)
        {
                unset($this->data);
                $this->data["cols"] = array("type", "title", "last_change");

                $this->data["data"][$_GET['class_id']] = array(
                                                                                        "type"        => $this->object->getType(),
                                                                                        "title"       => $this->object->getTitle()."#separator#".$this->object->getDescription()." ",   // workaround for empty desc
                                                                                        "last_update" => "n/a"
                                                                                );

                $this->data["buttons"] = array( "confirmedDeleteClassroom"  => $this->lng->txt("confirm"),
                                                                  "cancelDeleteClassroom"  => $this->lng->txt("cancel"));

                $this->getTemplateFile("confirm");

                if(!$a_error)
                {
                        sendInfo($this->lng->txt("info_delete_sure"));
                }

                $obj_str = "&class_id=".$this->object->id;
                $this->tpl->setVariable("FORMACTION", $this->getFormAction("delete",$this->ctrl->getFormAction($this).$obj_str));

                // BEGIN TABLE HEADER
                foreach ($this->data["cols"] as $key)
                {
                        $this->tpl->setCurrentBlock("table_header");
                        $this->tpl->setVariable("TEXT",$this->lng->txt($key));
                        $this->tpl->parseCurrentBlock();
                }
                // END TABLE HEADER

                // BEGIN TABLE DATA
                $counter = 0;

                foreach ($this->data["data"] as $key => $value)
                {
                        // BEGIN TABLE CELL
                        foreach ($value as $key => $cell_data)
                        {
                                $this->tpl->setCurrentBlock("table_cell");

                                // CREATE TEXT STRING
                                if ($key == "type")
                                {
                                        $this->tpl->setVariable("TEXT_CONTENT",ilUtil::getImageTagByType($cell_data,$this->tpl->tplPath));
                                }
                                elseif ($key == "title")
                                {
                                        $name_field = explode("#separator#",$cell_data);

                                        $this->tpl->setVariable("TEXT_CONTENT", "<b>".$name_field[0]."</b>");
                                                
                                        $this->tpl->setCurrentBlock("subtitle");
                                        $this->tpl->setVariable("DESC", $name_field[1]);
                                        $this->tpl->parseCurrentBlock();
                                        $this->tpl->setCurrentBlock("table_cell");
                                }
                                else
                                {
                                        $this->tpl->setVariable("TEXT_CONTENT",$cell_data);
                                }

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

                        $this->tpl->setCurrentBlock("table_row");
                        $this->tpl->setVariable("CSS_ROW",ilUtil::switchColor(++$counter,"tblrow1","tblrow2"));
                        $this->tpl->parseCurrentBlock();
                        // END TABLE CELL
                }
                // END TABLE DATA

                // BEGIN OPERATION_BTN
                foreach ($this->data["buttons"] as $name => $value)
                {
                        $this->tpl->setCurrentBlock("operation_btn");
                        $this->tpl->setVariable("IMG_ARROW",ilUtil::getImagePath("arrow_downright.gif"));
                        $this->tpl->setVariable("BTN_NAME",$name);
                        $this->tpl->setVariable("BTN_VALUE",$value);
                        $this->tpl->parseCurrentBlock();
                }
        }
        
        function updateClassroom()
        {
                $this->object->setTitle(ilUtil::stripSlashes($_POST["Fobject"]["title"]));
                $this->object->setDescription(ilUtil::stripSlashes($_POST["Fobject"]["desc"]));
                $this->object->setDocentId($_POST["Fobject"]["instructoruserid"]);
                $this->object->setStatus($_POST["Fobject"]["alwaysopen"]);

                if (!$this->object->update())
                {
                        $this->ilErr->raiseError($this->object->getErrorMsg(),$this->ilErr->MESSAGE);
                }
                
                //sendInfo($this->lng->txt("msg_icla_updated"),true);
                sendInfo($this->getResultMsg(),true);
                
                $this->ctrl->redirectByClass("ilobjilinccoursegui");
                //ilUtil::redirect($this->getReturnLocation("update",$this->ctrl->getLinkTarget($this)));
        }
        
        function &executeCommand()
        {
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();

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

                return true;
        }
        
        function cancelDeleteClassroom()
        {
                session_unregister("saved_post");
                
                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
                sendInfo($msg,true);
                
                $this->ctrl->redirectByClass("ilobjilinccoursegui");
        }
        
        function getResultMsg()
        {
                return $this->object->result_msg;
        }
        
        function cancel()
        {
                session_unregister("saved_post");

                sendInfo($this->lng->txt("msg_cancel"),true);

                $this->ctrl->returnToParent($this);

        }
} // END class.ilObjiLincClassroomGUI
?>