Chip 2004 April/CMCD0404.ISO/Software/Freeware/Programare/groupoffice-com-2.01/modules/cms/treeview.inc

Text File | 2004-03-08 | 5KB | 149 lines

<?php
/*
Copyright Intermesh 2003
Author: Merijn Schering <[e-mail]>
Version: 1.0 Release date: 08 July 2003

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.
*/

//start of treeview code
$image['mlastnode'] = '<img src="'.$GO_THEME->images['mlastnode'].'" border="0" height="22" width="16" />';
$image['emptylastnode'] = '<img src="'.$GO_THEME->images['emptylastnode'].'" border="0" height="22" width="16" />';
$image['plastnode'] = '<img src="'.$GO_THEME->images['plastnode'].'" border="0" height="22" width="16" />';
$image['mnode'] = '<img src="'.$GO_THEME->images['mnode'].'" border="0" height="22" width="16" />';
$image['emptynode'] = '<img src="'.$GO_THEME->images['emptynode'].'" border="0" height="22" width="16" />';
$image['pnode'] = '<img src="'.$GO_THEME->images['pnode'].'" border="0" height="22" width="16" />';
$image['vertline'] = '<img src="'.$GO_THEME->images['vertline'].'" border="0" height="22" width="16" />';
$image['blank'] = '<img src="'.$GO_THEME->images['blank'].'" border="0" height="22" width="16" />';
$image['group'] = '<img src="'.$GO_THEME->images['workgroup'].'" border="0" height="22" width="24" />';
$image['user'] = '<img src="'.$GO_THEME->images['workstation'].'" border="0" height="22" width="20" />';

$image['opened_folder'] = '<img src="'.$GO_THEME->images['folderopen'].'" border="0" height="22" width="24" />';
$image['closed_folder'] = '<img src="'.$GO_THEME->images['folderclosed'].'" border="0" height="22" width="24" />';

/*
prints the folders in a tree
$folders is an array of associve arrays containing an 'id' and 'name'
*/
function print_tree($folders, $images='')
{
    global $image, $cms, $folder_id, $site_id;

    $count = count($folders);
    for ($i=0;$i<$count;$i++)
    {
        //for each folder check if there are subfolders and
        //add them to an array for the next instance of this recursive function
        $subfolders = array();
        $subfolders_count = $cms->get_folders($folders[$i]['id']);
        while($cms->next_record())
        {
            $subfolders[] = $cms->Record;
        }
        //is this folder opened inthe tree?
        $open = in_array($folders[$i]['id'], $_SESSION['expanded']);

        //determine the image and node to display
        if ($subfolders_count > 0)
        {
            if ($i < ($count-1))
            {
                $new_image = $image['vertline'];
                $node = $open ? $image['mnode'] : $image['pnode'];

            }else
            {
                $new_image = $image['blank'];
                $node = $open ? $image['mlastnode'] : $image['plastnode'];
            }
        }else
        {
            if ($i < ($count-1))
            {
                $new_image = $image['vertline'];
                $node = $image['emptynode'];
            }else
            {
                $new_image = $image['blank'];
                $node = $image['emptylastnode'];
            }
        }

        //if the current folder is the current opened folder then show an opened folder
        if ($folders[$i]['id'] == $folder_id)
        {
            $folder_image = $image['opened_folder'];
        }else
        {
            $folder_image = $image['closed_folder'];
        }

        //actually print the current folder
        $short_name = cut_string($folders[$i]['name'], 30);
        echo '<table border="0" cellpadding="0" cellspacing="0">';
        echo '<tr><td nowrap><a href="'.$_SERVER['PHP_SELF'].'?site_id='.$site_id.'&expand_id='.$folders[$i]['id'].'&folder_id='.$folder_id.'">'.$images.$node.$folder_image.'</a></td>';
        echo '<td nowrap><a href="'.$_SERVER['PHP_SELF'].'?site_id='.$site_id.'&folder_id='.$folders[$i]['id'].'" title="'.$folders[$i]['name'].'">'.$short_name.'</a></td></tr></table>';

        if ($open)
        {
            print_tree($subfolders, $images.$new_image);
        }
    }
}

//fill the first value of the expanded with -1 because of key 0
//results into false at the array_search() function and behaves differently at different PHP versions
if (!isset($_SESSION['expanded']))
{
    $_SESSION['expanded'][]=-1;
}

//expand or collaps the expand id which is passed when a user clicks a node
if (isset($_REQUEST['expand_id']))
{
    $expand_id = smartstrip($_REQUEST['expand_id']);
    $key = array_search($expand_path, $_SESSION['expanded']);
    if (!$key)
    {
        $_SESSION['expanded'][] = $expand_id;
    }else
    {
        unset($_SESSION['expanded'][$key]);
    }
}else
{
    //always expand folder clicks
    $key = array_search($folder_id, $_SESSION['expanded']);
    if (!$key)
    {
        $_SESSION['expanded'][] = $folder_id;
    }
}

//end of treeview code

//print the first folder as the site

if($folder = $cms->get_folder($site['root_folder_id']))
{
    $short_name = cut_string($folder['name'], 30);
    echo '<table border="0" cellpadding="0" cellspacing="0">';
    echo '<tr><td width="20" nowrap><a href="'.$_SERVER['PHP_SELF'].'?expand_id='.$site['root_folder_id'].'"><img src="'.$GO_THEME->images['site'].'" border="0" widht="16" height="16" /></a></td>';
    echo '<td nowrap><a href="'.$_SERVER['PHP_SELF'].'?site_id='.$site_id.'&folder_id='.$site['root_folder_id'].'" title="'.$folder['name'].'">'.$short_name.'</a></td></tr></table>';

    $cms->get_folders($site['root_folder_id']);
    $folders = array();
    while($cms->next_record())
    {
        $folders[] = $cms->Record;
    }

    print_tree($folders);
}


?>