current code from svn, revision 62608

1 files changed, 566 insertions, 0 deletions

diff --git a/lib/extern/modules/ExternModuleTemplateLectures.class.php b/lib/extern/modules/ExternModuleTemplateLectures.class.php
new file mode 100644
index 0000000..46cf124
--- /dev/null
+++ b/lib/extern/modules/ExternModuleTemplateLectures.class.php
@@ -0,0 +1,566 @@
+<?
+# Lifter002: TODO
+# Lifter007: TODO
+# Lifter003: TODO
+# Lifter010: TODO
+/**
+* ExternModuleTemplateLectures.class.php
+*
+*
+*
+*
+* @author       Peter Thienel <thienel@data-quest.de>, Suchi & Berg GmbH <info@data-quest.de>
+* @access       public
+* @modulegroup  extern
+* @module       ExternModuleTemplateLectures
+* @package  studip_extern
+*/
+
+// +---------------------------------------------------------------------------+
+// This file is part of Stud.IP
+// ExternModuleTemplateLectures.class.php
+//
+// Copyright (C) 2007 Peter Thienel <thienel@data-quest.de>,
+// Suchi & Berg GmbH <info@data-quest.de>
+// +---------------------------------------------------------------------------+
+// 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 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.
+// +---------------------------------------------------------------------------+
+
+
+require_once 'lib/extern/views/extern_html_templates.inc.php';
+require_once 'lib/dates.inc.php';
+
+
+class ExternModuleTemplateLectures extends ExternModule {
+
+    var $markers = [];
+    var $args = ['seminar_id'];
+
+    /**
+    *
+    */
+    function __construct($range_id, $module_name, $config_id = NULL, $set_config = NULL, $global_id = NULL) {
+
+        $this->data_fields = ['VeranstaltungsNummer', 'Name', 'Untertitel', 'status', 'Ort',
+            'art', 'zeiten', 'dozent'];
+        $this->registered_elements = [
+                'ReplaceTextSemType',
+                'SelectSubjectAreas',
+                'LinkInternLecturedetails' => 'LinkInternTemplate',
+                'LinkInternPersondetails' => 'LinkInternTemplate',
+                'TemplateGeneric'
+        ];
+        $this->field_names =
+        [
+                _("Veranstaltungsnummer"),
+                _("Name"),
+                _("Untertitel"),
+                _("Status"),
+                _("Ort"),
+                _("Art"),
+                _("Zeiten"),
+                _("Lehrende")
+        ];
+
+        parent::__construct($range_id, $module_name, $config_id, $set_config, $global_id);
+    }
+
+    function setup () {
+        // extend $data_fields if generic datafields are set
+    //  $config_datafields = $this->config->getValue("Main", "genericdatafields");
+    //  $this->data_fields = array_merge((array)$this->data_fields, (array)$config_datafields);
+
+        // setup module properties
+    //  $this->elements["LinkIntern"]->link_module_type = 2;
+    //  $this->elements["LinkIntern"]->real_name = _("Link zum Modul MitarbeiterInnendetails");
+
+        $this->elements['LinkInternLecturedetails']->real_name = _("Link zum Modul Veranstaltungsdetails");
+        $this->elements['LinkInternLecturedetails']->link_module_type = [4, 13];
+        $this->elements['LinkInternPersondetails']->real_name = _("Verlinkung zum Modul MitarbeiterInnendetails");
+        $this->elements['LinkInternPersondetails']->link_module_type = [2, 14];
+        $this->elements['TemplateGeneric']->real_name = _("Template");
+        $this->elements['TemplateGeneric']->link_module_type = 2;
+
+    }
+
+    function toStringEdit ($open_elements = '', $post_vars = '',
+            $faulty_values = '', $anker = '') {
+
+        $this->updateGenericDatafields('TemplateGeneric', 'sem');
+        $this->elements['TemplateGeneric']->markers = $this->getMarkerDescription('TemplateGeneric');
+
+        return parent::toStringEdit($open_elements, $post_vars, $faulty_values, $anker);
+    }
+
+    function getMarkerDescription ($element_name) {
+        $markers['TemplateGeneric'][] = ['__GLOBAL__', _("Globale Variablen (gültig im gesamten Template).")];
+        $markers['TemplateGeneric'][] = ['###LECTURES-COUNT###', ''];
+        $markers['TemplateGeneric'][] = ['###LECTURES-SUBSTITUTE-GROUPED-BY###', ''];
+        $markers['TemplateGeneric'][] = ['###START_SEMESTER###', _('Name des Startsemesters')];
+
+        $markers['TemplateGeneric'][] = ['<!-- BEGIN LECTURES -->', ''];
+
+        $markers['TemplateGeneric'][] = ['<!-- BEGIN NO-LECTURES -->', ''];
+        $markers['TemplateGeneric'][] = ['###NO-LECTURES-TEXT###', ''];
+        $markers['TemplateGeneric'][] = ['<!-- END NO-LECTURES -->', ''];
+
+        $markers['TemplateGeneric'][] = ['<!-- BEGIN GROUP -->', ''];
+        $markers['TemplateGeneric'][] = ['###GROUP###', ''];
+        $markers['TemplateGeneric'][] = ['###GROUP-NO###', ''];
+
+        $markers['TemplateGeneric'][] = ['<!-- BEGIN LECTURE -->', ''];
+        $markers['TemplateGeneric'][] = ['###TITLE###', ''];
+        $markers['TemplateGeneric'][] = ['###LECTUREDETAILS-HREF###', ''];
+        $markers['TemplateGeneric'][] = ['###SUBTITLE###', ''];
+        $markers['TemplateGeneric'][] = ['###NUMBER###', _("Die Veranstaltungsnummer")];
+
+        $markers['TemplateGeneric'][] = ['<!-- BEGIN LECTURERS -->', ''];
+        $markers['TemplateGeneric'][] = ['###FULLNAME###', ''];
+        $markers['TemplateGeneric'][] = ['###LASTNAME###', ''];
+        $markers['TemplateGeneric'][] = ['###FIRSTNAME###', ''];
+        $markers['TemplateGeneric'][] = ['###TITLEFRONT###', ''];
+        $markers['TemplateGeneric'][] = ['###TITLEREAR###', ''];
+        $markers['TemplateGeneric'][] = ['###PERSONDETAIL-HREF###', ''];
+        $markers['TemplateGeneric'][] = ['###LECTURER-NO###', ''];
+        $markers['TemplateGeneric'][] = ['###UNAME###', _("Stud.IP-Username")];
+        $markers['TemplateGeneric'][] = ['<!-- END LECTURERS -->', ''];
+
+        $markers['TemplateGeneric'][] = ['###ROOM###', ''];
+        $markers['TemplateGeneric'][] = ['###FORM###', _("Die Veranstaltungsart")];
+        $markers['TemplateGeneric'][] = ['###SEMTYPE###', ''];
+        $markers['TemplateGeneric'][] = ['###SEMTYPE-SUBSTITUTE###', ''];
+        $markers['TemplateGeneric'][] = ['###SEMESTER###', ''];
+        $markers['TemplateGeneric'][] = ['###CYCLE###', ''];
+        $this->insertDatafieldMarkers('sem', $markers, 'TemplateGeneric');
+
+        $markers['TemplateGeneric'][] = ['<!-- END LECTURE -->', ''];
+        $markers['TemplateGeneric'][] = ['<!-- END GROUP -->', ''];
+        $markers['TemplateGeneric'][] = ['<!-- END LECTURES -->', ''];
+
+        return $markers[$element_name];
+    }
+
+    function getContent ($args = NULL, $raw = FALSE) {
+
+        $start_item_id = get_start_item_id($this->config->range_id);
+        $browser = new ExternSemBrowseTemplate($this, $start_item_id);
+
+        return $browser->getContent();
+    }
+
+    function printout ($args) {
+        if (!$language = $this->config->getValue("Main", "language"))
+            $language = "de_DE";
+        init_i18n($language);
+
+        ob_start();
+        echo $this->elements['TemplateGeneric']->toString(['content' => $this->getContent(), 'subpart' => 'LECTURES']);
+        ob_end_flush();
+
+    }
+
+    function printoutPreview () {
+        if (!$language = $this->config->getValue("Main", "language"))
+            $language = "de_DE";
+        init_i18n($language);
+
+        echo $this->elements['TemplateGeneric']->toString(['content' => $this->getContent(), 'subpart' => 'LECTURES', 'hide_markers' => FALSE]);
+
+    }
+
+}
+
+
+
+class ExternSemBrowseTemplate extends SemBrowse {
+
+    var $module;
+    var $sem_types_position;
+
+    function __construct(&$module, $start_item_id) {
+
+        global $SEM_TYPE,$SEM_CLASS;
+        $all_semester = Semester::findAllVisible(false);
+        array_unshift($all_semester, 0);
+
+        $this->group_by_fields = [ ['name' => _("Semester"), 'group_field' => 'sem_number'],
+                                        ['name' => _("Bereich"), 'group_field' => 'bereich'],
+                                        ['name' => _("Lehrende"), 'group_field' => 'fullname', 'unique_field' => 'username'],
+                                        ['name' => _("Typ"), 'group_field' => 'status'],
+                                        ['name' => _("Einrichtung"), 'group_field' => 'Institut', 'unique_field' => 'Institut_id']];
+
+        $this->module = $module;
+        $this->sem_browse_data["group_by"] = $this->module->config->getValue("Main", "grouping");
+        $this->sem_dates = $all_semester;
+        $this->sem_dates[0] = ["name" => _("abgelaufene Semester")];
+
+        // reorganize the $SEM_TYPE-array
+        foreach ($SEM_CLASS as $key_class => $class) {
+            $i = 0;
+            foreach ($SEM_TYPE as $key_type => $type) {
+                if ($type["class"] == $key_class) {
+                    $i++;
+                    $this->sem_types_position[$key_type] = $i;
+                }
+            }
+        }
+
+        $switch_time = mktime(0, 0, 0, date("m"),
+                date("d") + 7 * $this->module->config->getValue("Main", "semswitch"), date("Y"));
+        // get current semester
+        $current_sem = get_sem_num($switch_time) + 1;
+
+        switch ($this->module->config->getValue("Main", "semstart")) {
+            case "previous" :
+                if (isset($all_semester[$current_sem - 1])) {
+                    $current_sem--;
+                }
+                break;
+            case "next" :
+                if (isset($all_semester[$current_sem + 1])) {
+                    $current_sem++;
+                }
+                break;
+            case "current" :
+                break;
+            default :
+                if (isset($all_semester[$this->module->config->getValue('Main', 'semstart')])) {
+                    $current_sem = $this->module->config->getValue('Main', 'semstart');
+                }
+        }
+
+        $last_sem = $current_sem + $this->module->config->getValue('Main', 'semrange');
+        if ($last_sem < $current_sem)
+            $last_sem = $current_sem;
+        if (!isset($all_semester[$last_sem]))
+            $last_sem = sizeof($all_semester);
+
+        for (;$last_sem > $current_sem; $last_sem--)
+            $this->sem_number[] = $last_sem - 1;
+
+        $this->start_sem = $current_sem;
+
+        $semclasses = $this->module->config->getValue('Main', 'semclasses');
+        foreach ($SEM_TYPE as $key => $type) {
+            if (in_array($type['class'], (array) $semclasses))
+                $this->sem_browse_data['sem_status'][] = $key;
+        }
+
+        $this->get_sem_range_tree($start_item_id, true);
+    }
+
+    function getContent () {
+        global $SEM_TYPE, $SEM_CLASS, $sem_type_tmp;
+
+        if (is_array($this->sem_browse_data['search_result']) && count($this->sem_browse_data['search_result'])) {
+
+            // show only selected subject areas
+            $selected_ranges = (array) $this->module->config->getValue('SelectSubjectAreas', 'subjectareasselected');
+            $selected_ranges[] = $this->sem_browse_data['start_item_id'];
+            if (!$this->module->config->getValue('SelectSubjectAreas', 'selectallsubjectareas')
+                    && count($selected_ranges)) {
+                if ($this->module->config->getValue('SelectSubjectAreas', 'reverseselection')) {
+                    $sem_range_query =  "AND seminar_sem_tree.sem_tree_id NOT IN ('".implode("','", $selected_ranges)."')";
+                } else {
+                    $sem_range_query =  "AND seminar_sem_tree.sem_tree_id IN ('".implode("','", $selected_ranges)."')";
+                }
+            } else {
+                $sem_range_query = '';
+            }
+
+            // show only selected SemTypes
+            $selected_semtypes = $this->module->config->getValue('ReplaceTextSemType', 'visibility');
+            $sem_types_array = [];
+            if (count($selected_semtypes)) {
+                foreach ($selected_semtypes as $i => $active) {
+                    if ($active == '1') {
+                        $sem_types_array[] = $i + 1;
+                    }
+                }
+                $sem_types_query = "AND seminare.status IN ('" . implode("','", $sem_types_array) . "')";
+            } else {
+                $sem_types_query = '';
+            }
+
+            // number of visible columns
+            $group_colspan = array_count_values((array) $this->module->config->getValue("Main", "visible"));
+
+            if ($this->sem_browse_data['group_by'] == 1){
+                if (!is_object($this->sem_tree)){
+                    $the_tree = TreeAbstract::GetInstance("StudipSemTree");
+                } else {
+                    $the_tree =& $this->sem_tree->tree;
+                }
+            $the_tree->buildIndex();
+            }
+
+            if (!$this->module->config->getValue("Main", "allseminars")){
+                $sem_inst_query = " AND seminare.Institut_id='{$this->module->config->range_id}' ";
+            }
+            if (!$nameformat = $this->module->config->getValue("Main", "nameformat"))
+                $nameformat = "no_title_short";
+
+            $dbv = DbView::getView('sem_tree');
+
+            $query = "SELECT seminare.Seminar_id, seminare.Name, seminare.Untertitel, seminare.VeranstaltungsNummer, seminare.status, seminare.art
+                , Institute.Name AS Institut,Institute.Institut_id,
+                seminar_sem_tree.sem_tree_id AS bereich, " . $GLOBALS['_fullname_sql'][$nameformat] ." AS fullname, auth_user_md5.username, Vorname, Nachname, title_front, title_rear,
+                " . $dbv->sem_number_sql . " AS sem_number, " . $dbv->sem_number_end_sql . " AS sem_number_end,
+                seminar_user.position AS position FROM seminare
+                LEFT JOIN seminar_user ON (seminare.Seminar_id=seminar_user.Seminar_id AND seminar_user.status='dozent')
+                LEFT JOIN auth_user_md5 USING (user_id)
+                LEFT JOIN user_info USING (user_id)
+                LEFT JOIN seminar_sem_tree ON (seminare.Seminar_id = seminar_sem_tree.seminar_id)
+                LEFT JOIN seminar_inst ON (seminare.Seminar_id = seminar_inst.Seminar_id)
+                LEFT JOIN Institute ON (seminar_inst.institut_id = Institute.Institut_id)
+                WHERE seminare.Seminar_id IN('" . join("','", array_keys($this->sem_browse_data['search_result']))
+                 . "') $sem_inst_query $sem_range_query $sem_types_query";
+
+            $db = new DB_Seminar($query);
+            $snap = new DbSnapshot($db);
+            $group_field = $this->group_by_fields[$this->sem_browse_data['group_by']]['group_field'];
+            $data_fields[0] = "Seminar_id";
+            if ($this->group_by_fields[$this->sem_browse_data['group_by']]['unique_field']){
+                $data_fields[1] = $this->group_by_fields[$this->sem_browse_data['group_by']]['unique_field'];
+            }
+            $group_by_data = $snap->getGroupedResult($group_field, $data_fields);
+            $sem_data = $snap->getGroupedResult("Seminar_id");
+            if ($this->sem_browse_data['group_by'] == 0){
+                $group_by_duration = $snap->getGroupedResult("sem_number_end", ["sem_number","Seminar_id"]);
+                foreach ($group_by_duration as $sem_number_end => $detail){
+                    if ($sem_number_end != -1 && ($detail['sem_number'][$sem_number_end - 1] && count($detail['sem_number']) == 1)){
+                        continue;
+                    } else {
+                        foreach ($detail['Seminar_id'] as $seminar_id => $foo){
+                            $start_sem = key($sem_data[$seminar_id]["sem_number"]);
+                            if ($sem_number_end == -1){
+                                if (is_array($this->sem_number)){
+                                    $sem_number_end = $this->sem_number[0];
+                                } else {
+                                    $sem_number_end = count($this->sem_dates)-1;
+                                }
+                            }
+                            for ($i = $start_sem; $i <= $sem_number_end; ++$i){
+                                if ($this->sem_number === false || (is_array($this->sem_number) && in_array($i,$this->sem_number))){
+                                    if ($group_by_data[$i] && !$tmp_group_by_data[$i]){
+                                        foreach($group_by_data[$i]['Seminar_id'] as $id => $bar){
+                                            $tmp_group_by_data[$i]['Seminar_id'][$id] = true;
+                                        }
+                                    }
+                                    $tmp_group_by_data[$i]['Seminar_id'][$seminar_id] = true;
+                                }
+                            }
+                        }
+                    }
+                }
+                if (is_array($tmp_group_by_data)){
+                    if ($this->sem_number !== false){
+                        unset($group_by_data);
+                    }
+                    foreach ($tmp_group_by_data as $start_sem => $detail){
+                        $group_by_data[$start_sem] = $detail;
+                    }
+                }
+            }
+
+            foreach ($group_by_data as $group_field => $sem_ids){
+                foreach ($sem_ids['Seminar_id'] as $seminar_id => $foo){
+                    $name = mb_strtolower(key($sem_data[$seminar_id]["Name"]));
+                    $name = str_replace("ä","ae",$name);
+                    $name = str_replace("ö","oe",$name);
+                    $name = str_replace("ü","ue",$name);
+                    $group_by_data[$group_field]['Seminar_id'][$seminar_id] = $name;
+                }
+                uasort($group_by_data[$group_field]['Seminar_id'], 'strnatcmp');
+            }
+
+            switch ($this->sem_browse_data["group_by"]){
+                case 0:
+                    krsort($group_by_data, SORT_NUMERIC);
+                    break;
+
+                case 1:
+                    uksort($group_by_data, function ($a, $b) {
+                        $the_tree = TreeAbstract::GetInstance('StudipSemTree', false);
+                        return $the_tree->tree_data[$a]['index'] - $the_tree->tree_data[$b]['index'];
+                    });
+                    break;
+
+                case 3:
+                    if ($order = $this->module->config->getValue("ReplaceTextSemType", "order")) {
+                        foreach ((array) $order as $position) {
+                            if (isset($group_by_data[$position]))
+                                $group_by_data_tmp[$position] = $group_by_data[$position];
+                        }
+                        $group_by_data = $group_by_data_tmp;
+                        unset($group_by_data_tmp);
+                    }
+                    else {
+                        uksort($group_by_data, function ($a, $b) {
+                            global $SEM_CLASS,$SEM_TYPE;
+                            return strnatcasecmp(
+                                $SEM_TYPE[$a]['name'] . ' (' . $SEM_CLASS[$SEM_TYPE[$a]['class']]['name'] . ')',
+                                $SEM_TYPE[$b]['name'] . ' (' . $SEM_CLASS[$SEM_TYPE[$b]['class']]['name'] . ')'
+                            );
+                        });
+                    }
+                    break;
+
+                default:
+                    uksort($group_by_data, 'strnatcasecmp');
+                    break;
+
+            }
+
+            // generic datafields
+            $generic_datafields = $this->module->config->getValue("Main", "genericdatafields");
+
+            $content['__GLOBAL__']['LECTURES-COUNT'] = count($sem_data);
+            $group_by_name = $this->module->config->getValue("Main", "aliasesgrouping");
+            $content['__GLOBAL__']['LECTURES-SUBSTITUTE-GROUPED-BY'] = $group_by_name[$this->sem_browse_data['group_by']];
+            $content['__GLOBAL__']['START_SEMESTER'] = ExternModule::ExtHtmlReady($this->sem_dates[$this->start_sem]['name']);
+
+            $i = 0;
+            foreach ((array) $group_by_data as $group_field => $sem_ids) {
+                $content['LECTURES']['GROUP'][$i]['GROUP'] = $this->getGroupContent($the_tree, $group_field);
+                $content['LECTURES']['GROUP'][$i]['GROUP-NO'] = $i + 1;
+
+                if (is_array($sem_ids['Seminar_id'])) {
+                    $j = 0;
+                    foreach(array_keys($sem_ids['Seminar_id']) as $seminar_id) {
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['TITLE'] = ExternModule::ExtHtmlReady(key($sem_data[$seminar_id]['Name']));
+
+                        $sem_number_start = key($sem_data[$seminar_id]['sem_number']);
+                        $sem_number_end = key($sem_data[$seminar_id]['sem_number_end']);
+                        $sem_semester = $this->sem_dates[$sem_number_start]['name'];
+                        if ($sem_number_start != $sem_number_end){
+                            $sem_semester .= ' - ' . ($sem_number_end == -1 ? _("unbegrenzt") : $this->sem_dates[$sem_number_end]['name']);
+                        }
+
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['SEMESTER'] = $sem_semester;
+
+                        // create turnus field
+                        $sem_turnus = Seminar::getInstance($seminar_id)->getDatesExport(['show_room' => true]);
+
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['CYCLE'] = ExternModule::ExtHtmlReady($sem_turnus);
+
+                        $doz_name = array_keys($sem_data[$seminar_id]['fullname']);
+                        $doz_lastname = array_keys($sem_data[$seminar_id]['Nachname']);
+                        $doz_firstname = array_keys($sem_data[$seminar_id]['Vorname']);
+                        $doz_titlefront = array_keys($sem_data[$seminar_id]['title_front']);
+                        $doz_titlerear = array_keys($sem_data[$seminar_id]['title_rear']);
+                        $doz_uname = array_keys($sem_data[$seminar_id]['username']);
+                        $doz_position = array_keys($sem_data[$seminar_id]['position']);
+                        if (sizeof($doz_position) < $doz_name) {
+                            $doz_position = array_fill(0, sizeof($doz_name), 0);
+                        }
+                        if (is_array($doz_name)){
+                            array_multisort($doz_position, $doz_name, $doz_uname);
+                            $k = 0;
+                            foreach ($doz_name as $index => $value) {
+                                $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTURERS'][$k]['PERSONDETAIL-HREF'] = $this->module->elements['LinkInternPersondetails']->createUrl(['link_args' => 'username=' . $doz_uname[$index]]);
+                                $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTURERS'][$k]['FULLNAME'] = ExternModule::ExtHtmlReady($doz_name[$index]);
+                                $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTURERS'][$k]['LASTNAME'] = ExternModule::ExtHtmlReady($doz_lastname[$index]);
+                                $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTURERS'][$k]['FIRSTNAME'] = ExternModule::ExtHtmlReady($doz_firstname[$index]);
+                                $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTURERS'][$k]['TITLEFRONT'] = ExternModule::ExtHtmlReady($doz_titlefront[$index]);
+                                $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTURERS'][$k]['TITLEREAR'] = ExternModule::ExtHtmlReady($doz_titlerear[$index]);
+                                $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTURERS'][$k]['UNAME'] = $doz_uname[$index];
+                                $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTURERS'][$k]['LECTURER-NO'] = $k + 1;
+                                $k++;
+                            }
+                        }
+
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['LECTUREDETAILS-HREF'] = $this->module->elements['LinkInternLecturedetails']->createUrl(['link_args' => 'seminar_id=' . $seminar_id]);
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['NUMBER'] = ExternModule::ExtHtmlReady(key($sem_data[$seminar_id]['VeranstaltungsNummer']));
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['SUBTITLE'] = ExternModule::ExtHtmlReady(key($sem_data[$seminar_id]['Untertitel']));
+                        $aliases_sem_type = $this->module->config->getValue('ReplaceTextSemType', 'class_' . $SEM_TYPE[key($sem_data[$seminar_id]['status'])]['class']);
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['SEMTYPE-SUBSTITUTE'] = $aliases_sem_type[$this->sem_types_position[key($sem_data[$seminar_id]['status'])] - 1];
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['SEMTYPE'] = ExternModule::ExtHtmlReady($SEM_TYPE[key($sem_data[$seminar_id]['status'])]['name']
+                                    .' ('. $SEM_CLASS[$SEM_TYPE[key($sem_data[$seminar_id]['status'])]['class']]['name'] . ')');
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['ROOM'] = ExternModule::ExtHtmlReady(Seminar::getInstance($seminar_id)->getDatesTemplate('dates/seminar_export_location'));
+                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['FORM'] = ExternModule::ExtHtmlReady(key($sem_data[$seminar_id]['art']));
+
+                        // generic data fields
+                        if (is_array($generic_datafields)) {
+                            $localEntries = DataFieldEntry::getDataFieldEntries($seminar_id, 'sem');
+                            #$datafields = $datafields_obj->getLocalFields($seminar_id);
+                            $l = 1;
+                            foreach ($generic_datafields as $datafield) {
+                                if (isset($localEntries[$datafield]) && is_object($localEntries[$datafield])) {
+                                    $localEntry = $localEntries[$datafield]->getDisplayValue();
+                                    if ($localEntry) {
+                                        $content['LECTURES']['GROUP'][$i]['LECTURE'][$j]['DATAFIELD_' . $l] = $localEntry;
+                                    }
+                                }
+                                $l++;
+                            }
+
+                        }
+
+                        $j++;
+                    }
+                }
+                $i++;
+            }
+        } else {
+            $content['__GLOBAL__']['LECTURES-COUNT'] = 0;
+            $group_by_name = $this->module->config->getValue('Main', 'aliasesgrouping');
+            $content['__GLOBAL__']['LECTURES-SUBSTITUTE-GROUPED-BY'] = $group_by_name[$this->sem_browse_data['group_by']];
+            $content['LECTURES']['NO-LECTURES']['NO-LECTURES-TEXT'] = ExternModule::ExtHtmlReady($this->module->config->getValue('Main', 'nodatatext'));
+        }
+        return $content;
+
+    }
+
+    // private
+    function getGroupContent ($the_tree, $group_field) {
+        global $SEM_TYPE, $SEM_CLASS;
+
+        switch ($this->sem_browse_data['group_by']){
+            case 0:
+                $content = $this->sem_dates[$group_field]['name'];
+                break;
+
+            case 1:
+                if ($the_tree->tree_data[$group_field]) {
+                    $range_path_level = $this->module->config->getValue('Main', 'rangepathlevel');
+                    $content = htmlReady($the_tree->getShortPath($group_field, NULL, '>', $range_path_level ? $range_path_level - 1 : 0));
+                } else {
+                    $content = $this->module->config->getValue('Main', 'textnogroups');
+                }
+                break;
+
+            case 2:
+                $content = htmlReady($group_field);
+                break;
+
+            case 3:
+                $aliases_sem_type = $this->module->config->getValue('ReplaceTextSemType', "class_{$SEM_TYPE[$group_field]['class']}");
+                if ($aliases_sem_type[$this->sem_types_position[$group_field] - 1]) {
+                    $content = $aliases_sem_type[$this->sem_types_position[$group_field] - 1];
+                } else {
+                    $content = htmlReady($GLOBALS['SEM_TYPE'][$group_field]['name'] . ' (' . $SEM_CLASS[$SEM_TYPE[$group_field]['class']]['name'] . ')');
+                }
+                break;
+            case 4:
+                $content = htmlReady($group_field);
+                break;
+
+        }
+
+        return $content;
+    }
+
+}
+?>