class.ilPCListItem.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. |
        +-----------------------------------------------------------------------------+
*/

require_once("./Services/COPage/classes/class.ilPageContent.php");

class ilPCListItem extends ilPageContent
{
        var $dom;

        function init()
        {
                $this->setType("li");
        }

        function newItemAfter()
        {
                $li =& $this->getNode();
                $new_li =& $this->dom->create_element("ListItem");
                if ($next_li =& $li->next_sibling())
                {
                        $new_li =& $next_li->insert_before($new_li, $next_li);
                }
                else
                {
                        $parent_list =& $li->parent_node();
                        $new_li =& $parent_list->append_child($new_li);
                }
        }


        function newItemBefore()
        {
                $li =& $this->getNode();
                $new_li =& $this->dom->create_element("ListItem");
                $new_li =& $li->insert_before($new_li, $li);
        }


        function deleteItem()
        {
                $parent_node = $this->getNode()->parent_node();
                $cnt = count($parent_node->child_nodes());
                if ($cnt == 1)
                {
                        // if list item is the last one -> delete whole list
                        $grandma = $parent_node->parent_node();
                        $grandma->unlink($grandma);
                }
                else
                {
                        $li =& $this->getNode();
                        $li->unlink($li);
                }
        }

        function moveItemDown()
        {
                $li =& $this->getNode();
                $next =& $li->next_sibling();
                $next_copy = $next->clone_node(true);
                $next_copy =& $li->insert_before($next_copy, $li);
                $next->unlink($next);
        }

        function moveItemUp()
        {
                $li =& $this->getNode();
                $prev =& $li->previous_sibling();
                $li_copy = $li->clone_node(true);
                $li_copy =& $prev->insert_before($li_copy, $prev);
                $li->unlink($li);
        }

}
?>