source: trunk/set_box.php @ 2

<?php
  /**************************************************************************\
  * phpGroupWare                                                             *
  * http://www.phpgroupware.org                                              *
  * The file written by Joseph Engo <jengo@phpgroupware.org>                 *
  * --------------------------------------------                             *
  *  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.                                              *
  \**************************************************************************/


        $GLOBALS['phpgw_info']['flags'] = Array(
                'noheader'      => True,
                'nofooter'      => True,
                'currentapp'    => 'home'
        );
        include('header.inc.php');

//      if(basename($HTTP_REFERER) != 'home.php')
//      {
//              Header('Location: '.$GLOBALS['phpgw']->link('/home.php'));
//              $GLOBALS['phpgw']->common->phpgw_exit();
//      }

        @reset($GLOBALS['phpgw_info']['user']['preferences']);
        //_debug_array($GLOBALS['phpgw_info']['user']['preferences']['portal_order']);
//      $GLOBALS['phpgw']->preferences->delete('portal_order');
//      unset($GLOBALS['phpgw_info']['user']['preferences']['portal_order']);
//      $GLOBALS['phpgw']->preferences->save_repository();

        function move_boxes($curr_position,$new_order,$offset,$value_to_check,$max_num)
        {
                //echo "MOVE: $curr_position,$new_order,$offset,$value_to_check,$max_num<br>";
                if(isset($GLOBALS['phpgw_info']['user']['preferences']['portal_order'][$new_order]))
                {
                        if($new_order == $max_num)
                        {
                                if($offset < 0)
                                {
                                        @ksort($GLOBALS['phpgw_info']['user']['preferences']['portal_order']);
                                }
                                else
                                {
                                        @krsort($GLOBALS['phpgw_info']['user']['preferences']['portal_order']);
                                }
                                while(list($seq_order,$appid) = each($GLOBALS['phpgw_info']['user']['preferences']['portal_order']))
                                {
                                        if($seq_order != $value_to_check)
                                        {
                                                $prev_seq = $seq_order + $offset;
                                                $GLOBALS['phpgw']->preferences->delete('portal_order',$prev_seq);
                                                $GLOBALS['phpgw']->preferences->add('portal_order',$prev_seq,$appid);
                                        }
                                }
                        }
                        else
                        {
                                $GLOBALS['phpgw']->preferences->delete('portal_order',$curr_position);
                                $GLOBALS['phpgw']->preferences->add('portal_order',$curr_position,(int)$GLOBALS['phpgw_info']['user']['preferences']['portal_order'][$new_order]);
                        }
                }
                $GLOBALS['phpgw']->preferences->delete('portal_order',$new_order);
                $GLOBALS['phpgw']->preferences->add('portal_order',$new_order,(int)$_GET['app']);
                        
                $GLOBALS['phpgw']->preferences->save_repository();
        }

        //error_reporting(E_ALL);
        switch($_GET['control'])
        {
                //print_debug('set_box', $GLOBALS['phpgw_info']['user']['preferences']['portal_order']),'app',5);
                case 'up':
                        $curr_position = $GLOBALS['phpgw']->common->find_portal_order((int)$_GET['app']);
                        $max_count = count($GLOBALS['phpgw_info']['user']['preferences']['portal_order']) - 1;
                        $offset = -1;
                        if($curr_position <= 0)
                        {
                                $new_order = $max_count;
                        }
                        else
                        {
                                $new_order = $curr_position + $offset;
                        }
                        move_boxes($curr_position,$new_order,$offset,0,$max_count);
                        break;
                case 'down':
                        $curr_position = $GLOBALS['phpgw']->common->find_portal_order((int)$_GET['app']);
                        $max_count = count($GLOBALS['phpgw_info']['user']['preferences']['portal_order']) - 1;
                        $offset = 1;
                        if($curr_position >= $max_count)
                        {
                                $new_order = 0;
                        }
                        else
                        {
                                $new_order = $curr_position + $offset;
                        }
                        move_boxes($curr_position,$new_order,$offset,$max_count,0);
                        break;
                case 'edit':
                case 'question':
                case 'close':
                default:
        }

        header('Location: '.$GLOBALS['phpgw']->link('/home.php'));
        $GLOBALS['phpgw']->common->phpgw_exit();
?>