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<?php

# CMS - CMS Made Simple
#
# (c)2004 by Ted Kulp (wishy@users.sf.net)
#
# This project's homepage is: http://cmsmadesimple.sf.net
#
# 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

function smarty_cms_function_sitemap($params, &$smarty) 
{

global $gCms;

$contentops =& $gCms->GetContentOperations();
    $allcontent =  $contentops->GetAllContent();

// define variables
    $menu       = '';
    $last_level = 0;
    $first_level= 0;
    $count      = 0;
    $in_hr      = 0;
    $no_end     = false;

$add_elements = isset($params['add_elements']) ? $params['add_elements'] : 0;
    $add_element  = explode(',', $add_elements);

foreach ($allcontent as $onecontent)
    {
        // Handy little trick to figure out how deep in the tree we are
        // Remember, content comes to use in order of how it should be displayed in the tree already
        $depth = count(split('\.', $onecontent->Hierarchy()));

// If hierarchy starts with the start_element (if it's set), then continue on
        if (isset($params['start_element']))
        {
            if (
                ! (
                    strpos($onecontent->Hierarchy(), $params['start_element']) !== FALSE 
                    && 
                    strpos($onecontent->Hierarchy(), $params['start_element']) == 0
                )
            )
            {
                if(($onecontent->Alias() == $params['start_element']))
                {
                     $params['start_element'] = $onecontent->Hierarchy();
                     $depth = count(split('\.', $onecontent->Hierarchy()));
                     $first_level = $depth;
                     continue;
                }
                else
                {
                    continue;
                }
            }
        }
        // Now check to make sure we're not too many levels deep if number_of_levels is set
        if (isset($params['number_of_levels']))
        {
            $number_of_levels = $params['number_of_levels'] - 1;
            $base_level = 1;

// Is start_element set?  If so, reset the base_level to it's level
            if (isset($params['start_element']))
            {
                $base_level = count(split('\.', $params['start_element'])) + 1;
            }

// If this element's level is more than base_level + number_of_levels, then scratch it
 if ($base_level + $number_of_levels < $depth)
 {
 continue;
 }
 }

// Not active or separator?  Toss it.
        if (! $onecontent->Active() || ! $onecontent->MenuText())
        {
            continue;
        }

// Not shown in menu?  Toss it.
        if (! $onecontent->ShowInMenu())
        {
            // If param showall, display also content not shown in menu.
            if (
                ((isset($params['showall']) && $params['showall'] == 1)) 
                ||
                ($add_elements && in_array($onecontent->Alias(), $add_element))
            )
            {

}
            else continue;
        }

if ($depth < $last_level)
 {
 for ($i = $depth; $i < $last_level; $i++)
 {
 $menu .= "</li>\n</ul>\n";
 }
 if ($depth > 0)
 {
 $menu .= "</li>\n";
 }
 }
 if ($depth == $last_level)
 {
 $menu .= "</li>\n";
 }
 if ($depth > $last_level)
 {
 if ((isset($params['class']) && $params['class'] != '') && ($count == 0))
 {
 $menu .= '<ul class="' . $params['class'] . '">' . "\n";
 }
 else
 {
 $menu .= "\n<ul>\n";
 }
 }
 if (
 ! (
 (isset($params['relative']) && $params['relative'] == 1) 
 && 
 (
 isset($gCms->variables['content_id'])
 && 
 $onecontent->Id() == $gCms->variables['content_id']
 )
 )
 )
 // we are not going to show current page if relative it's enabled - we'll show only his childs
 {
 $menu .= '<li>';

if ((isset($params['delimiter']) && $params['delimiter'] != '') && ($depth > 1))
            {
                $ddepth = (split('\.', $onecontent->Hierarchy()));
                if (
                    ($ddepth[sizeof($ddepth) - 1] > 1) 
                    ||
                    (isset($params['initial']) && $params['initial'] == '1')
                )
                {
                    $menu .= $params['delimiter'];
                }
            }

// No link if section header.
 if ($onecontent->HasUsableLink())
 {
 $menu .= '<a href="' . $onecontent->GetURL() . '"';
 if (isset($gCms->variables['content_id']) && $onecontent->Id() == $gCms->variables['content_id'])
 {
 $menu .= ' class="currentpage"';
 }
 if ($onecontent->GetPropertyValue('target') != '')
 {
 $menu .= ' target="' . $onecontent->GetPropertyValue('target') . '"';
 }
 $menu .= '>' . my_htmlentities($onecontent->MenuText()) . '</a>';
 }
 else
 {
 $menu .= my_htmlentities($onecontent->MenuText());
 }
 }
 else
 {
 if (! $onecontent->HasChildren())
 {
 $no_end = true;
 }
 else
 {
 $menu .= '<li>';
 }
 }

$last_level = $depth;
        $count++;
    }

for ($i = $first_level; $i < $last_level; $i++)
 {
 if ($no_end != true)
 {
 $menu .= '</li>';
 }
 $menu .= "\n</ul>";
 }

return $menu;

}

function smarty_cms_help_function_sitemap()
{
  echo lang('help_function_sitemap');
}

function smarty_cms_about_function_sitemap()
{
?>
 Author: Marcus Deglos <<a href="mailto:md@zioncore.com">md@zioncore.com</a>>
 Version: 1.23
 
 Change History: 
 1.23 - Section headers and separators are shown, but without link (Simon van der Linden) 
 1.22 - Modified to use the new parameters class, delimiter, initial und add_elements (LeisureLarry) 
 1.21 - Changed help to show the existing parameters relative and showall (LeisureLarry) 
 1.2 - Modified to support alias instead of hierarchy and minor output improvement (intersol). 
 1.1 - Modified to use new content rewrite (wishy)
 
<?php
}

# vim:ts=4 sw=4 noet
?>