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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_simplemenu($params, &$smarty) {

        global $gCms;
        global $db;

        # getting menu parameters
        $showadmin = isset($params["showadmin"]) ? $params["showadmin"] : 1 ;

        $allcontent = ContentManager::GetAllContent();

        # defining variables
        $menu = "";
        $last_level = 0;
        $count = 0;
        $in_hr = 0;

        if (count($allcontent))
        {
                $menu .= "<div class=\"simplemenu\">\n";

                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))
                                {
                                        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']));
                                }

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

                        if (!$onecontent->Active() || !$onecontent->ShowInMenu())
                        {
                                continue;
                        }

                        if ($onecontent->Type() == 'sectionheader')
                        {
                                if ($in_hr == 1)
                                {
                                        #$menu .= "</ul>\n";
                                        $in_hr = 0;
                                }
                                $menu .= "<div class=\"sectionheader\">".$onecontent->MenuText()."</div>\n";
                                if ($count > 0 && $in_hr == 0)
                                {
                                        #$menu .= "<ul>\n";
                                        $in_hr = 1;
                                }
                        }
                        else
                        {
                                if ($depth < $last_level) {
                                        for ($i = $depth; $i < $last_level; $i++) $menu .= "\n";
                                        if ($depth > 0)
                                        {
                                                $menu .= "\n";
                                        }
                                }
                                if ($depth > $last_level) {
                                        for ($i = $depth; $i > $last_level; $i--) $menu .= "\n";
                                }
                                if ($depth == $last_level) {
                                        $menu .= "\n";
                                }
                                if ($onecontent->Type() == 'separator')
                                {
                                        $menu .= "<hr class=\"separator\"/>";
                                }
                                else
                                {
                                        $menu .= "<a href=\"".$onecontent->GetURL()."\"";
                                        if (isset($gCms->variables['page_id']) && $onecontent->Id() == $gCms->variables['page_id'])
                                        {
                                                $menu .= " class=\"currentpage\"";
                                        }
                                        $menu .= ">".$onecontent->MenuText()."</a>";
                                }
                                $in_hr = 1;
                                $last_level = $depth;
                        }
                        $count++;
                }

                #for ($i = 0; $i < $last_level; $i++) $menu .= "</ul>";
:

                if ($showadmin == 1)
                {
                        $menu .= "<a href='admin/'>Admin</a>\n";
                }
                $menu .= "</div>\n";
        }

        return $menu;

}

function smarty_cms_help_function_simplemenu() {
        ?>
        <h3>What does this do?</h3>
        <p>Prints a bullet menu.</p>
        <h3>How do I use it?</h3>
        <p>Just insert the tag into your template/page like: <code>{simplemenu}</code></p>
        <h3>What parameters does it take?</h3>
        <p>
        <ul>
                <li><em>(optional)</em> <tt>showadmin</tt> - 1/0, whether you want to show or not the admin link.</li>
                <li><em>(optional)</em> <tt>start_element</tt> - the hierarchy of your element (ie : 1.2 or 3.5.1 for example). This parameter sets the root of the menu.</li>
                <li><em>(optional)</em> <tt>number_of_levels</tt> - an integer, the number of levels you want to show in your menu.</li>
        </ul>
        </p>

        <?php
}

function smarty_cms_about_function_simplemenu() {
        ?>
        <p>Author: Julien Lancien<calexico@cmsmadesimple.org></p>
        <p>Version: 1.0</p>
        <p>
        Change History:<br/>
        None
        </p>
        <?php
}

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