Merge branch 'main' into issue-3911issue-3911

1 files changed, 0 insertions, 825 deletions

diff --git a/lib/classes/StudipSemTreeViewAdmin.class.php b/lib/classes/StudipSemTreeViewAdmin.class.php
deleted file mode 100644
index edc65c8..0000000
--- a/lib/classes/StudipSemTreeViewAdmin.class.php
+++ /dev/null
@@ -1,825 +0,0 @@
-<?php
-# Lifter001: TEST
-# Lifter002: TODO
-# Lifter005: TODO
-# Lifter007: TODO
-# Lifter003: TODO
-# Lifter010: TODO
-// +---------------------------------------------------------------------------+
-// This file is part of Stud.IP
-// StudipSemTreeViewAdmin.class.php
-// Class to print out the seminar tree in administration mode
-//
-// Copyright (c) 2003 André Noack <noack@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.
-// +---------------------------------------------------------------------------+
-
-use Studip\Button, Studip\LinkButton;
-
-
-/**
-* class to print out the seminar tree (admin mode)
-*
-* This class prints out a html representation of the whole or part of the tree
-*
-* @access   public
-* @author   André Noack <noack@data-quest.de>
-* @package
-*/
-class StudipSemTreeViewAdmin extends TreeView
-{
-    var $admin_ranges = [];
-    var $msg = [];
-    var $marked_item;
-    var $marked_sem;
-    var $mode;
-    var $move_item_id = null;
-    var $edit_item_id = null;
-
-    /**
-    * constructor
-    *
-    * @access public
-    */
-    function __construct($start_item_id = "root"){
-        $this->start_item_id = ($start_item_id) ? $start_item_id : "root";
-        $this->root_content = $GLOBALS['UNI_INFO'];
-        parent::__construct("StudipSemTree"); //calling the baseclass constructor
-        URLHelper::bindLinkParam("_marked_item", $this->marked_item);
-        $this->marked_sem =& $_SESSION['_marked_sem'];
-        $this->parseCommand();
-    }
-
-    /**
-    * manages the session variables used for the open/close thing
-    *
-    * @access   private
-    */
-    function handleOpenRanges(){
-
-        $this->open_ranges[$this->start_item_id] = true;
-
-        if (Request::option('close_item') || Request::option('open_item')){
-            $toggle_item = (Request::option('close_item')) ? Request::option('close_item') : Request::option('open_item');
-            if (!$this->open_items[$toggle_item]){
-                $this->openItem($toggle_item);
-            } else {
-                unset($this->open_items[$toggle_item]);
-            }
-        }
-
-        if (Request::option('item_id')) $this->anchor = Request::option('item_id');
-
-    }
-
-    function openItem($item_id){
-        if ($this->tree->hasKids($item_id)){
-            $this->start_item_id = $item_id;
-            $this->open_ranges = null;
-            $this->open_items = null;
-            $this->open_items[$item_id] = true;
-            $this->open_ranges[$item_id] = true;
-        } else {
-            $this->open_ranges[$this->tree->tree_data[$item_id]['parent_id']] = true;
-            $this->open_items[$item_id] = true;
-            $this->start_item_id = $this->tree->tree_data[$item_id]['parent_id'];
-        }
-        if ($this->start_item_id == "root"){
-            $this->open_ranges = null;
-            $this->open_ranges[$this->start_item_id] = true;
-        }
-        $this->anchor = $item_id;
-    }
-
-    function parseCommand(){
-        $this->mode = '';
-        if (Request::quoted('mode'))
-        $this->mode = Request::quoted('mode');
-        if (Request::option('cmd')){
-            $exec_func = "execCommand" . Request::option('cmd');
-            if (method_exists($this,$exec_func)){
-                if ($this->$exec_func()){
-                    $this->tree->init();
-                }
-            }
-        }
-        if ($this->mode == "MoveItem" || $this->mode == "CopyItem")
-        $this->move_item_id = $this->marked_item;
-    }
-
-    public function execCommandOrderItemsAlphabetically()
-    {
-        $item_id = Request::option('sort_id');
-        $sorted_items_stmt = DBManager::get()->prepare(
-            'SELECT * FROM sem_tree LEFT JOIN Institute ON studip_object_id = Institut_id WHERE parent_id = :parent_id ORDER BY IF(studip_object_id, Institute.name, sem_tree.name)'
-        );
-        $sorted_items_stmt->execute([
-            'parent_id' => $item_id,
-        ]);
-        $sorted_items = $sorted_items_stmt->fetchAll(PDO::FETCH_ASSOC);
-        foreach ($sorted_items as $priority => $data) {
-            $update_priority_stmt = DBManager::get()->prepare('UPDATE sem_tree SET priority = :priority WHERE sem_tree_id = :sem_tree_id');
-            $update_priority_stmt->execute([
-                'priority' => $priority,
-                'sem_tree_id' => $data['sem_tree_id']
-            ]);
-        }
-        $this->msg[$item_id] = 'info§' . _('Die Einträge im Bereich wurden alphabetisch sortiert.');
-
-        return true;
-    }
-
-    function execCommandOrderItem(){
-        $direction = Request::quoted('direction');
-        $item_id = Request::option('item_id');
-        $items_to_order = $this->tree->getKids($this->tree->tree_data[$item_id]['parent_id']);
-        if (!$this->isParentAdmin($item_id) || !$items_to_order)
-        return false;
-        for ($i = 0; $i < count($items_to_order); ++$i){
-            if ($item_id == $items_to_order[$i])
-            break;
-        }
-        if ($direction == "up" && isset($items_to_order[$i-1])){
-            $items_to_order[$i] = $items_to_order[$i-1];
-            $items_to_order[$i-1] = $item_id;
-        } elseif (isset($items_to_order[$i+1])){
-            $items_to_order[$i] = $items_to_order[$i+1];
-            $items_to_order[$i+1] = $item_id;
-        }
-        $view = DbView::getView('sem_tree');
-        for ($i = 0; $i < count($items_to_order); ++$i){
-            $view->params = [$i, $items_to_order[$i]];
-            $rs = $view->get_query("view:SEM_TREE_UPD_PRIO");
-        }
-        $this->mode = "";
-        $this->msg[$item_id] = "msg§" . (($direction == "up") ? _("Element wurde eine Position nach oben verschoben.") : _("Element wurde eine Position nach unten verschoben."));
-        return true;
-    }
-
-    function execCommandNewItem(){
-        $item_id = Request::option('item_id');
-        if ($this->isItemAdmin($item_id)){
-            $new_item_id = DbView::get_uniqid();
-            $this->tree->storeItem($new_item_id,$item_id,_("Neuer Eintrag"), $this->tree->getNumKids($item_id) +1);
-            $this->openItem($new_item_id);
-            $this->edit_item_id = $new_item_id;
-            if ($this->mode != "NewItem") $this->msg[$new_item_id] = "info§" . _("Hier können Sie die Bezeichnung und die Kurzinformation zu diesem Bereich eingeben.");
-            $this->mode = "NewItem";
-        }
-        return false;
-    }
-
-    function execCommandEditItem(){
-        $item_id = Request::option('item_id');
-        if ($this->isItemAdmin($item_id) || $this->isParentAdmin($item_id)){
-            $this->mode = "EditItem";
-            $this->anchor = $item_id;
-            $this->edit_item_id = $item_id;
-            if($this->tree->tree_data[$this->edit_item_id]['studip_object_id']){
-                $this->msg[$item_id] = "info§" . _("Hier können Sie die Kurzinformation zu diesem Bereich eingeben. Der Name kann nicht geändert werden, da es sich um eine Stud.IP-Einrichtung handelt.");
-            } else {
-                $this->msg[$item_id] = "info§" . _("Hier können Sie die Bezeichnung und die Kurzinformation zu diesem Bereich eingeben");
-            }
-        }
-        return false;
-    }
-
-    function execCommandInsertItem(){
-        $item_id = Request::option('item_id');
-        $parent_id = Request::option('parent_id');
-        $item_name = Request::quoted('edit_name');
-        $item_info = Request::quoted('edit_info');
-        $item_type = Request::int('edit_type');
-        if ($this->mode == "NewItem" && $item_id){
-            if ($this->isItemAdmin($parent_id)){
-                $priority = count($this->tree->getKids($parent_id));
-                if ($this->tree->InsertItem($item_id,$parent_id,$item_name,$item_info,$priority,null,$item_type)){
-                    $this->mode = "";
-                    $this->tree->init();
-                    $this->openItem($item_id);
-                    $this->msg[$item_id] = "msg§" . _("Dieser Bereich wurde neu eingefügt.");
-                }
-            }
-        }
-        if ($this->mode == "EditItem"){
-            if ($this->isParentAdmin($item_id)){
-                if ($this->tree->UpdateItem($item_id, $item_name, $item_info, $item_type)){
-                    $this->msg[$item_id] = "msg§" . _("Bereich wurde geändert.");
-                } else {
-                    $this->msg[$item_id] = "info§" . _("Keine Veränderungen vorgenommen.");
-                }
-                $this->mode = "";
-                $this->tree->init();
-                $this->openItem($item_id);
-            }
-        }
-        return false;
-    }
-
-    function execCommandAssertDeleteItem(){
-        $item_id = Request::option('item_id');
-        if ($this->isParentAdmin($item_id)){
-            $this->mode = "AssertDeleteItem";
-            $this->open_items[$item_id] = true;
-            $this->msg[$item_id] = "info§" ._("Sie beabsichtigen diesen Bereich inklusive aller Unterbereiche zu löschen. ")
-            . sprintf(_("Es werden insgesamt %s Bereiche gelöscht!"),count($this->tree->getKidsKids($item_id))+1)
-            . "<br>" . _("Wollen Sie diese Bereiche wirklich löschen?") . "<br>"
-            . LinkButton::createAccept(_('Ja!'),
-                    URLHelper::getURL($this->getSelf('cmd=DeleteItem&item_id='.$item_id)),
-                    ['title' => _('löschen')])
-            . "&nbsp;"
-            . LinkButton::createCancel(_('Nein!'),
-                    URLHelper::getURL($this->getSelf('cmd=Cancel&item_id='. $item_id)));
-        }
-        return false;
-    }
-
-    function execCommandDeleteItem(){
-        $item_id = Request::option('item_id');
-        $item_name = $this->tree->tree_data[$item_id]['name'];
-        if ($this->isParentAdmin($item_id) && $this->mode == "AssertDeleteItem"){
-            $this->openItem($this->tree->tree_data[$item_id]['parent_id']);
-            $items_to_delete = $this->tree->getKidsKids($item_id);
-            $items_to_delete[] = $item_id;
-            $deleted = $this->tree->DeleteItems($items_to_delete);
-            if ($deleted['items']){
-                $this->msg[$this->anchor] = "msg§" . sprintf(_("Der Bereich <b>%s</b> und alle Unterbereiche (insgesamt %s) wurden gelöscht. "),htmlReady($item_name),$deleted['items']);
-            } else {
-                $this->msg[$this->anchor] = "error§" . _("Fehler, es konnten keine Bereiche gelöscht werden !");
-            }
-            if ($deleted['entries']){
-                $this->msg[$this->anchor] .= sprintf(_("<br>Es wurden %s Veranstaltungszuordnungen gelöscht. "),$deleted['entries']);
-            }
-            $this->mode = "";
-        }
-        return true;
-    }
-
-    function execCommandMoveItem(){
-        $item_id = Request::option('item_id');
-        $this->anchor = $item_id;
-        $this->marked_item = $item_id;
-        $this->mode = "MoveItem";
-        return false;
-    }
-
-    function execCommandCopyItem(){
-        $item_id = Request::option('item_id');
-        $this->anchor = $item_id;
-        $this->marked_item = $item_id;
-        $this->mode = "CopyItem";
-        return false;
-    }
-
-    function execCommandDoMoveItem(){
-        $item_id = Request::option('item_id');
-        $item_to_move = $this->marked_item;
-        if ($this->mode == "MoveItem" && ($this->isItemAdmin($item_id) || $this->isParentAdmin($item_id))
-        && ($item_to_move != $item_id) && ($this->tree->tree_data[$item_to_move]['parent_id'] != $item_id)
-        && !$this->tree->isChildOf($item_to_move,$item_id)){
-            $view = DbView::getView('sem_tree');
-            $view->params = [$item_id, count($this->tree->getKids($item_id)), $item_to_move];
-            $rs = $view->get_query("view:SEM_TREE_MOVE_ITEM");
-            if ($rs->affected_rows()){
-                $this->msg[$item_to_move] = "msg§" . _("Bereich wurde verschoben.");
-            } else {
-                $this->msg[$item_to_move] = "error§" . _("Keine Verschiebung durchgeführt.");
-            }
-        }
-        $this->tree->init();
-        $this->openItem($item_to_move);
-        $this->mode = "";
-        return false;
-    }
-
-    function execCommandDoCopyItem(){
-        $item_id = Request::option('item_id');
-        $item_to_copy = $this->marked_item;
-        if ($this->mode == "CopyItem" && ($this->isItemAdmin($item_id) || $this->isParentAdmin($item_id))
-        && ($item_to_copy != $item_id) && ($this->tree->tree_data[$item_to_copy]['parent_id'] != $item_id)
-        && !$this->tree->isChildOf($item_to_copy,$item_id)){
-            $items_to_copy = $this->tree->getKidsKids($item_to_copy);
-            $seed = DbView::get_uniqid();
-            $new_item_id = md5($item_to_copy . $seed);
-            $parent_id = $item_id;
-            $num_copy = $this->tree->InsertItem($new_item_id,$parent_id,
-            addslashes($this->tree->tree_data[$item_to_copy]['name']),
-            addslashes($this->tree->tree_data[$item_to_copy]['info']),
-            $this->tree->getMaxPriority($parent_id)+1,
-            ($this->tree->tree_data[$item_to_copy]['studip_object_id'] ? $this->tree->tree_data[$item_to_copy]['studip_object_id'] : null),
-            $this->tree->tree_data[$item_to_copy]['type']);
-            if($num_copy){
-                if ($items_to_copy){
-                    for ($i = 0; $i < count($items_to_copy); ++$i){
-                        $num_copy += $this->tree->InsertItem(md5($items_to_copy[$i] . $seed),
-                        md5($this->tree->tree_data[$items_to_copy[$i]]['parent_id'] . $seed),
-                        addslashes($this->tree->tree_data[$items_to_copy[$i]]['name']),
-                        addslashes($this->tree->tree_data[$items_to_copy[$i]]['info']),
-                        $this->tree->tree_data[$items_to_copy[$i]]['priority'],
-                        ($this->tree->tree_data[$items_to_copy[$i]]['studip_object_id'] ? $this->tree->tree_data[$items_to_copy[$i]]['studip_object_id'] : null),
-                        $this->tree->tree_data[$item_to_copy]['type']);
-                    }
-                }
-                $items_to_copy[] = $item_to_copy;
-                for ($i = 0; $i < count($items_to_copy); ++$i){
-                    $sem_entries = $this->tree->getSemIds($items_to_copy[$i], false);
-                    if ($sem_entries){
-                        for ($j = 0; $j < count($sem_entries); ++$j){
-                            $num_entries += $this->tree->InsertSemEntry(md5($items_to_copy[$i] . $seed), $sem_entries[$j]);
-                        }
-                    }
-                }
-            }
-
-            if ($num_copy){
-                $this->msg[$new_item_id] = "msg§" . sprintf(_("%s Bereich(e) wurde(n) kopiert."), $num_copy) . "<br>"
-                . sprintf(_("%s Veranstaltungszuordnungen wurden kopiert"), $num_entries);
-            } else {
-                $this->msg[$new_item_id] = "error§" . _("Keine Kopie durchgeführt.");
-            }
-            $this->tree->init();
-            $this->openItem($new_item_id);
-        }
-        $this->mode = "";
-        return false;
-    }
-
-    function execCommandInsertFak(){
-        if($this->isItemAdmin("root") && Request::quoted('insert_fak')){
-            $view = DbView::getView('sem_tree');
-            $item_id = $view->get_uniqid();
-            $view->params = [$item_id,'root','',$this->tree->getNumKids('root')+1,'',Request::quoted('insert_fak'),0];
-            $rs = $view->get_query("view:SEM_TREE_INS_ITEM");
-            if ($rs->affected_rows()){
-                $this->tree->init();
-                $this->openItem($item_id);
-                $this->msg[$item_id] = "msg§" . _("Dieser Bereich wurde neu eingefügt.");
-                return false;
-            }
-        }
-        return false;
-    }
-
-    function execCommandMarkSem(){
-        $item_id = Request::option('item_id');
-        $marked_sem_array =  Request::quotedArray('marked_sem');
-        $marked_sem = array_values(array_unique($marked_sem_array));
-        $sem_aktion = explode("_",Request::quoted('sem_aktion'));
-        if (($sem_aktion[0] == 'mark' || $sem_aktion[1] == 'mark') && count($marked_sem)){
-            $count_mark = 0;
-            for ($i = 0; $i < count($marked_sem); ++$i){
-                if (!isset($this->marked_sem[$marked_sem[$i]])){
-                    ++$count_mark;
-                    $this->marked_sem[$marked_sem[$i]] = true;
-                }
-            }
-            if ($count_mark){
-                $this->msg[$item_id] = "msg§" . sprintf(_("Es wurde(n) %s Veranstaltung(en) der Merkliste hinzugefügt."),$count_mark);
-            }
-        }
-        if ($this->isItemAdmin($item_id)){
-            if (($sem_aktion[0] == 'del' || $sem_aktion[1] == 'del') && count($marked_sem)){
-                $not_deleted = [];
-                foreach($marked_sem as $key => $seminar_id){
-                    $seminar = new Seminar($seminar_id);
-                    if(count($seminar->getStudyAreas()) == 1){
-                        $not_deleted[] = $seminar->getName();
-                        unset($marked_sem[$key]);
-                    }
-                }
-                if ($this->msg[$item_id]){
-                    $this->msg[$item_id] .= "<br>";
-                } else {
-                    $this->msg[$item_id] = "msg§";
-                }
-                if(count($marked_sem)){
-                    $count_del = $this->tree->DeleteSemEntries($item_id, $marked_sem);
-                    $this->msg[$item_id] .= sprintf(_("%s Veranstaltungszuordnung(en) wurde(n) aufgehoben."),$count_del);
-                }
-                if(count($not_deleted)){
-                    $this->msg[$item_id] .= '<br>'
-                                         . sprintf(_("Für folgende Veranstaltungen wurde die Zuordnung nicht aufgehoben, da es die einzige Zuordnung ist: %s")
-, '<br>'.htmlready(join(', ', $not_deleted)));
-                }
-            }
-            $this->anchor = $item_id;
-            $this->open_items[$item_id] = true;
-            return true;
-        }
-        return false;
-    }
-
-    function execCommandCancel(){
-        $item_id = Request::option('item_id');
-        $this->mode = "";
-        $this->anchor = $item_id;
-        return false;
-    }
-
-    function showSemTree(){
-        ?>
-        <script type="text/javascript">
-        function invert_selection(the_form){
-            my_elements = document.forms[the_form].elements['marked_sem[]'];
-            if(!my_elements.length){
-                if(my_elements.checked)
-                my_elements.checked = false;
-                else
-                my_elements.checked = true;
-            } else {
-                for(i = 0; i < my_elements.length; ++i){
-                    if(my_elements[i].checked)
-                    my_elements[i].checked = false;
-                    else
-                    my_elements[i].checked = true;
-                }
-            }
-        }
-        </script>
-        <?
-        echo "\n<table width=\"99%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";
-        if ($this->start_item_id != 'root'){
-            echo "\n<tr><td class=\"table_row_odd\" align=\"left\" valign=\"top\"><div style=\"font-size:10pt;margin-left:10px\"><b>"
-            . _("Studienbereiche") . ":</b><br>" .  $this->getSemPath()
-            . "</div></td></tr>";
-        }
-        echo "\n<tr><td class=\"blank\"  align=\"left\" valign=\"top\">";
-        $this->showTree($this->start_item_id);
-        echo "\n</td></tr></table>";
-    }
-
-    function getSemPath(){
-        $ret = "";
-        //$ret = "<a href=\"" . parent::getSelf("start_item_id=root") . "\">" .htmlReady($this->tree->root_name) . "</a>";
-        if ($parents = $this->tree->getParents($this->start_item_id)){
-            for($i = count($parents)-1; $i >= 0; --$i){
-                $ret .= " &gt; <a class=\"tree\" href=\"" . URLHelper::getLink($this->getSelf("start_item_id={$parents[$i]}&open_item={$parents[$i]}",false))
-                . "\">" .htmlReady($this->tree->tree_data[$parents[$i]]["name"]) . "</a>";
-            }
-        }
-        return $ret;
-    }
-
-    /**
-    * returns html for the icons in front of the name of the item
-    *
-    * @access   private
-    * @param    string  $item_id
-    * @return   string
-    */
-    function getItemHeadPics($item_id){
-        $head = $this->getItemHeadFrontPic($item_id);
-        $head .= "\n<td  class=\"printhead\" nowrap  align=\"left\" valign=\"bottom\">";
-        if ($this->tree->hasKids($item_id)){
-            $head .= Icon::create('folder-full', Icon::ROLE_CLICKABLE, ['title' => !empty($this->open_ranges[$item_id]) ? _('Alle Unterelemente schliessen') : _('Alle Unterelemente öffnen')])->asImg(['class' => 'text-top']);
-        } else {
-            $head .= Icon::create('folder-empty', 'clickable', ['title' => _('Dieses Element hat keine Unterelemente')])->asImg();
-        }
-        return $head . "</td>";
-    }
-
-    function getItemContent($item_id){
-        if ($item_id == $this->edit_item_id) {
-            return $this->getEditItemContent();
-        }
-        if (empty($GLOBALS['SEM_TREE_TYPES'][$this->tree->getValue($item_id, 'type')]['editable'])){
-            $is_not_editable = true;
-            $this->msg[$item_id] = "info§" . sprintf(_("Der Typ dieses Elementes verbietet eine Bearbeitung."));
-        }
-        if ($item_id == $this->move_item_id) {
-            $this->msg[$item_id] = "info§" . sprintf(_("Dieses Element wurde zum Verschieben / Kopieren markiert. Bitte wählen Sie ein Einfügesymbol %s aus, um das Element zu verschieben / kopieren."), Icon::create('arr_2right', 'sort', ['title' => "Einfügesymbol"])->asImg(16, ["alt" => "Einfügesymbol"]));
-        }
-        $content = "\n<table width=\"90%\" cellpadding=\"2\" cellspacing=\"2\" align=\"center\" style=\"font-size:10pt;\">";
-        $content .= $this->getItemMessage($item_id);
-        $content .= "\n<tr><td style=\"font-size:10pt;\">";
-        if (empty($is_not_editable)) {
-            if ($this->isItemAdmin($item_id) ){
-                $content .= LinkButton::create(_('Neues Objekt'),
-                        URLHelper::getURL($this->getSelf('cmd=NewItem&item_id='.$item_id)),
-                        ['title' => _('Innerhalb dieser Ebene ein neues Element einfügen')]) . '&nbsp;';
-                $content .= LinkButton::create(_('Sortieren'),
-                        URLHelper::getURL($this->getSelf('cmd=OrderItemsAlphabetically&sort_id='.$item_id)),
-                        ['title' => _('Sortiert die untergeordneten Elemente alphabetisch')]) . '&nbsp;';
-            }
-            if ($this->isParentAdmin($item_id) && $item_id != "root"){
-                $content .= LinkButton::create(_('Bearbeiten'),
-                        URLHelper::getURL($this->getSelf('cmd=EditItem&item_id=' . $item_id)),
-                        ['title' => 'Dieses Element bearbeiten']) . '&nbsp;';
-
-                $content .= LinkButton::create(_('Löschen'),
-                        URLHelper::getURL($this->getSelf('cmd=AssertDeleteItem&item_id=' . $item_id)),
-                        ['title' => _('Dieses Element löschen')]) . '&nbsp;';
-
-                if ($this->move_item_id == $item_id && ($this->mode == "MoveItem" || $this->mode == "CopyItem")){
-                    $content .= LinkButton::create(_('Abbrechen'),
-                            URLHelper::getURL($this->getSelf('cmd=Cancel&item_id=' . $item_id)),
-                            ['title' => _('Verschieben / Kopieren abbrechen')]) . '&nbsp;';
-                } else {
-                    $content .= LinkButton::create(_('Verschieben'),
-                            URLHelper::getURL($this->getSelf('cmd=MoveItem&item_id='.$item_id)),
-                            ['title' => _('Dieses Element in eine andere Ebene verschieben')]) . '&nbsp;';
-                    $content .= LinkButton::create(_('Kopieren'),
-                            URLHelper::getURL($this->getSelf('cmd=CopyItem&item_id='.$item_id)),
-                            ['title' => _('Dieses Element in eine andere Ebene kopieren')]);
-                }
-            }
-        }
-        if ($item_id == 'root' && $this->isItemAdmin($item_id)){
-            $view = DbView::getView('sem_tree');
-            $rs = $view->get_query("view:SEM_TREE_GET_LONELY_FAK");
-            $content .= "\n<p><form action=\"" . URLHelper::getLink($this->getSelf("cmd=InsertFak")) . "\" method=\"post\" class=\"default\">"
-                . CSRFProtection::tokenTag()
-                . '<div><label>'
-                . _("Stud.IP-Fakultät einfügen")
-                . "\n<select style=\"width:200px;\" name=\"insert_fak\">";
-            while($rs->next_record()){
-                $content .= "\n<option value=\"" . $rs->f("Institut_id") . "\">" . htmlReady(my_substr($rs->f("Name"),0,50)) . "</option>";
-            }
-            $content .= "</select></label></div><div class=\"col-1\"> " . Button::create(_('Eintragen'), ['title' => _("Fakultät einfügen")]) . "</div></form></p>";
-        }
-        $content .= "</td></tr></table>";
-
-        $content .= "\n<table border=\"0\" width=\"90%\" cellpadding=\"2\" cellspacing=\"0\" align=\"center\" style=\"font-size:10pt\">";
-        if ($item_id == "root"){
-            $content .= "\n<tr><td  class=\"table_header_bold\" align=\"left\" style=\"font-size:10pt;\">" . htmlReady($this->tree->root_name) ." </td></tr>";
-            $content .= "\n<tr><td  class=\"table_row_even\" align=\"left\" style=\"font-size:10pt;\">" . htmlReady($this->root_content) ." </td></tr>";
-            $content .= "\n</table>";
-            return $content;
-        }
-        if ($this->tree->tree_data[$item_id]['info']){
-            $content .= "\n<tr><td style=\"font-size:10pt;\" class=\"table_row_even\" align=\"left\" colspan=\"3\">";
-            $content .= formatReady($this->tree->tree_data[$item_id]['info']) . "</td></tr>";
-        }
-        $content .= "<tr><td style=\"font-size:10pt;\"colspan=\"3\">&nbsp;</td></tr>";
-        if ($this->tree->getNumEntries($item_id)) {
-            $content .= "<tr><td class=\"table_row_even\" style=\"font-size:10pt;\" align=\"left\" colspan=\"3\"><b>" . _("Einträge auf dieser Ebene:");
-            $content .= "</b>\n</td></tr>";
-            $entries = $this->tree->getSemData($item_id);
-            $content .= $this->getSemDetails($entries,$item_id);
-        } else {
-            $content .= "\n<tr><td class=\"table_row_even\" style=\"font-size:10pt;\" colspan=\"3\">" . _("Keine Einträge auf dieser Ebene vorhanden!") . "</td></tr>";
-        }
-        $content .= "</table>";
-        return $content;
-    }
-
-    function getSemDetails($snap, $item_id, $lonely_sem = false){
-        $form_name = DbView::get_uniqid();
-        $content = "<form class=\"default\" name=\"$form_name\" action=\"" . URLHelper::getLink($this->getSelf("cmd=MarkSem")) ."\" method=\"post\">
-        <input type=\"hidden\" name=\"item_id\" value=\"$item_id\">";
-        $content .= CSRFProtection::tokenTag();
-        $group_by_data = $snap->getGroupedResult("sem_number", "seminar_id");
-        $sem_data = $snap->getGroupedResult("seminar_id");
-        $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] && 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){
-                        $sem_number_end = count($this->tree->sem_dates)-1;
-                    }
-                    for ($i = $start_sem; $i <= $sem_number_end; ++$i){
-                        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'][$id] = key($sem_data[$id]["Name"]);
-                            }
-                        }
-                        $tmp_group_by_data[$i]['seminar_id'][$seminar_id] = key($sem_data[$seminar_id]["Name"]);
-                    }
-                }
-            }
-        }
-        if (is_array($tmp_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[$group_field]['seminar_id'], 'strnatcmp');
-        }
-
-        krsort($group_by_data, SORT_NUMERIC);
-
-        foreach ($group_by_data as $sem_number => $sem_ids){
-            $content .= "\n<tr><td class=\"content_seperator\" colspan=\"3\" style=\"font-size:10pt;\" >" . $this->tree->sem_dates[$sem_number]['name'] . "</td></tr>";
-            if (is_array($sem_ids['seminar_id'])){
-                foreach(array_keys($sem_ids['seminar_id']) as $seminar_id) {
-                    $sem_name = key($sem_data[$seminar_id]["Name"]);
-                    $sem_number_start = key($sem_data[$seminar_id]["sem_number"]);
-                    $sem_number_end = key($sem_data[$seminar_id]["sem_number_end"]);
-                    if ($sem_number_start != $sem_number_end){
-                        $sem_name .= " (" . $this->tree->sem_dates[$sem_number_start]['name'] . " - ";
-                        $sem_name .= (($sem_number_end == -1) ? _("unbegrenzt") : $this->tree->sem_dates[$sem_number_end]['name']) . ")";
-                    }
-                    $content .= "<tr><td class=\"table_row_even\" width=\"1%\"><input type=\"checkbox\" name=\"marked_sem[]\" value=\"$seminar_id\" style=\"vertical-align:middle\">
-                    </td><td class=\"table_row_even\" style=\"font-size:10pt;\"><a href=\"dispatch.php/course/details/?sem_id=". $seminar_id
-                    ."&send_from_search=true&send_from_search_page=" . rawurlencode(URLHelper::getLink($this->getSelf())) . "\">" . htmlReady($sem_name) . "</a>
-                    </td><td class=\"table_row_even\" align=\"right\" style=\"font-size:10pt;\">(";
-                    $doz_name = array_keys($sem_data[$seminar_id]['doz_name']);
-                    $doz_uname = array_keys($sem_data[$seminar_id]['doz_uname']);
-                    if (is_array($doz_name)){
-                        uasort($doz_name, 'strnatcasecmp');
-                        $i = 0;
-                        foreach ($doz_name as $index => $value){
-                            if ($i == 4){
-                                $content .= "... <a href=\"dispatch.php/course/details/?sem_id=". $seminar_id
-                                ."&send_from_search=true&send_from_search_page=" . rawurlencode(URLHelper::getLink($this->getSelf())) . "\">("._("mehr").")</a>";
-                                break;
-                            }
-                            $content .= "<a href=\"dispatch.php/profile?username=" . $doz_uname[$index] ."\">" . htmlReady($value) . "</a>";
-                            if($i != count($doz_name)-1){
-                                $content .= ", ";
-                            }
-                            ++$i;
-                        }
-                    }
-                    $content .= ") </td></tr>";
-                }
-            }
-        }
-        $content .= "<tr><td class=\"table_row_even\" colspan=\"2\">"
-            . LinkButton::create(_('Auswählen'), ['title' => _('Auswahl umkehren'), 'onClick' => 'invert_selection(\''. $form_name .'\');return false;'])
-            . "</td><td class=\"table_row_even\" align=\"right\"><div class=\"hgroup\">
-        <select name=\"sem_aktion\" style=\"margin-right: 1em;\" " . tooltip(_("Aktion auswählen"),true) . ">
-        <option value=\"mark\">" . _("in Merkliste übernehmen") . "</option>";
-        if (!$lonely_sem && $this->isItemAdmin($item_id)){
-            $content .= "<option value=\"del_mark\">" . _("löschen und in Merkliste übernehmen") . "</option>
-            <option value=\"del\">" . _("löschen") . "</option>";
-        }
-        $content .= "</select>" . Button::createAccept(_('OK'), ['title' => _("Gewählte Aktion starten")])
-                 . "</div></td></tr> </form>";
-        return $content;
-    }
-
-    function getEditItemContent(){
-        ob_start();
-        ?>
-        <form name="item_form" action="<?= URLHelper::getLink($this->getSelf("cmd=InsertItem&item_id={$this->edit_item_id}")) ?>" method="POST" class="default" style="width: 90%; margin: auto;">
-            <?= CSRFProtection::tokenTag(); ?>
-            <input type="hidden" name="parent_id" value="<?= $this->tree->tree_data[$this->edit_item_id]['parent_id'] ?>">
-
-            <table style="width: 100%"><?= $this->getItemMessage($this->edit_item_id,2) ?></table>
-
-            <fieldset>
-                <legend><?= _("Bereich editieren") ?></legend>
-
-                <label>
-                    <?= _("Name des Elements") ?>
-                    <input type="text" name="edit_name"
-                        <?= ($this->tree->tree_data[$this->edit_item_id]['studip_object_id']) ? 'disabled="disabled"' : '' ?>
-                           value="<?= htmlReady($this->tree->tree_data[$this->edit_item_id]['name']) ?>">
-                </label>
-
-               <? if (count($GLOBALS['SEM_TREE_TYPES']) > 1) : ?>
-               <label>
-                   <?= _("Typ des Elements") ?>
-                    <select name="edit_type">
-                    <? foreach ($GLOBALS['SEM_TREE_TYPES'] as $sem_tree_type_key => $sem_tree_type) :
-                        if ($sem_tree_type['editable']) :
-                            $selected = $sem_tree_type_key == $this->tree->getValue($this->edit_item_id, 'type') ? 'selected' : '';
-                            echo '<option value="'.htmlReady($sem_tree_type_key).'"'.$selected.'>';
-                            echo htmlReady($sem_tree_type['name'] ? $sem_tree_type['name'] : $sem_tree_type_key);
-                            echo '</option>';
-                        endif;
-                    endforeach;
-                    ?>
-                    </select>
-                </label>
-                <? else : # Auswahl ausblenden, wenn nur ein Typ vorhanden ?>
-                <input type='hidden' name='edit_type' value='0'>
-                <? endif ?>
-
-                <? $buttonlink_id = ($this->mode == "NewItem") ? $this->tree->tree_data[$this->edit_item_id]['parent_id'] : $this->edit_item_id; ?>
-
-                <label>
-                    <?= _("Infotext:") ?>
-                    <textarea rows="5" name="edit_info" wrap="virtual"><?= htmlReady($this->tree->tree_data[$this->edit_item_id]['info']) ?></textarea>
-                </label>
-            </fieldset>
-
-            <footer>
-                <?= Button::createAccept(_('Absenden'), ['title' => _('Einstellungen übernehmen')]) ?>
-                <?= LinkButton::createCancel(_('Abbrechen'),
-                    URLHelper::getURL($this->getSelf('cmd=Cancel&item_id='.$buttonlink_id)),
-                    ['title' => _('Aktion abbrechen')])
-                ?>
-            </footer>
-        </form>
-
-        <?
-        return ob_get_clean();
-    }
-
-
-    function isItemAdmin($item_id){
-        global $auth;
-        if ($auth->auth['perm'] == "root"){
-            return true;
-        }
-        if (!($admin_id = $this->tree->tree_data[$this->tree->getAdminRange($item_id)]['studip_object_id'])){
-            return false;
-        }
-        if(!isset($this->admin_ranges[$admin_id])){
-            $view = DbView::getView('sem_tree');
-            $view->params[0] = $auth->auth['uid'];
-            $view->params[1] = $admin_id;
-            $rs = $view->get_query("view:SEM_TREE_CHECK_PERM");
-            $this->admin_ranges[$admin_id] = ($rs->next_record()) ? true : false;
-        }
-        if ($this->admin_ranges[$admin_id]){
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    function isParentAdmin($item_id){
-        return $this->isItemAdmin($this->tree->tree_data[$item_id]['parent_id']);
-    }
-
-    function getItemHead($item_id){
-        $head = "";
-        if (($this->mode == "MoveItem" || $this->mode == "CopyItem") && ($this->isItemAdmin($item_id) || $this->isParentAdmin($item_id))
-        && ($this->move_item_id != $item_id) && ($this->tree->tree_data[$this->move_item_id]['parent_id'] != $item_id)
-        && !$this->tree->isChildOf($this->move_item_id,$item_id)){
-            $head .= "<a href=\"" . URLHelper::getLink($this->getSelf("cmd=Do" . $this->mode . "&item_id=$item_id")) . "\">"
-            . Icon::create('arr_2right', 'sort', ['title' => _("An dieser Stelle einfügen")])->asImg(16, ["alt" => _("An dieser Stelle einfügen")])."</a>&nbsp;";
-        }
-        $head .= parent::getItemHead($item_id);
-        if ($item_id != "root"){
-            $head .= " (" . $this->tree->getNumEntries($item_id,true) . ") " ;
-        }
-        if ($item_id != $this->start_item_id && $this->isParentAdmin($item_id) && $item_id != $this->edit_item_id){
-            $head .= "</td><td nowrap align=\"right\" valign=\"bottom\" class=\"printhead\">";
-            if (!$this->tree->isFirstKid($item_id)){
-                $head .= "<a href=\"". URLHelper::getLink($this->getSelf("cmd=OrderItem&direction=up&item_id=$item_id")) .
-                "\">" .  Icon::create('arr_2up', 'sort')->asImg(['class' => 'text-top', 'title' => _("Element nach oben")]) .
-                "</a>";
-            }
-            if (!$this->tree->isLastKid($item_id)){
-                $head .= "<a href=\"". URLHelper::getLink($this->getSelf("cmd=OrderItem&direction=down&item_id=$item_id")) .
-                "\">" . Icon::create('arr_2down', 'sort')->asImg(['class' => 'text-top', 'title' => _("Element nach unten")]) .
-                "</a>";
-            }
-            $head .= "&nbsp;";
-        }
-        return $head;
-    }
-
-    function getItemMessage($item_id,$colspan = 1){
-        $content = "";
-        if (!empty($this->msg[$item_id])) {
-            $msg = explode("§",$this->msg[$item_id]);
-            $pics = [
-                'error' => Icon::create('decline', 'attention'),
-                'info'  => Icon::create('exclaim', 'inactive'),
-                'msg'   => Icon::create('accept', 'accept')];
-            $content = "\n<tr><td colspan=\"{$colspan}\"><table border=\"0\" cellspacing=\"0\" cellpadding=\"2\" width=\"100%\" style=\"font-size:10pt\">
-                        <tr><td class=\"blank\" align=\"center\" width=\"25\">" .  $pics[$msg[0]]->asImg(['class' => 'text-top']) . "</td>
-            <td class=\"blank\" align=\"left\">" . $msg[1] . "</td></tr>
-            </table></td></tr><tr>";
-        }
-        return $content;
-    }
-
-    function getSelf($param = "", $with_start_item = true){
-        $url_params = "foo=" . DbView::get_uniqid();
-        if ($this->mode) $url_params .= "&mode=" . $this->mode;
-        if ($with_start_item) $url_params .= "&start_item_id=" . $this->start_item_id;
-        if ($param) $url_params .= '&' . $param;
-        return parent::getSelf($url_params);
-    }
-}
-//test
-//page_open(array("sess" => "Seminar_Session", "auth" => "Seminar_Default_Auth", "perm" => "Seminar_Perm", "user" => "Seminar_User"));
-//include 'lib/include/html_head.inc.php';
-//include ('lib/seminar_open.php'); // initialise Stud.IP-Session
-//$test = new StudipSemTreeViewAdmin(Request::quoted('start_item_id'));
-//$test->showSemTree();
-//echo "<hr><pre>";
-//print_r($_open_items);
-//page_close();
-?>