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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
#
#$Id: News.module.php 2114 2005-11-04 21:51:13Z wishy $

class MenuManager extends CMSModule
{
  function GetName()
  {
    return 'MenuManager';
  }

function GetFriendlyName()
  {
    return $this->Lang('menumanager');
  }

function IsPluginModule()
  {
    return true;
  }

function HasAdmin()
  {
    return true;
  }

function VisibleToAdminUser()
  {
    return $this->CheckPermission('Manage Menu');
  }

function Uninstall()
  {
    // remove the permissions
    $this->RemovePermission('Manage Menu');
  }

function GetVersion()
  {
    return '1.6.2';
  }

function MinimumCMSVersion()
  {
    return '1.6.1';
  }

function GetAdminDescription()
  {
    return $this->Lang('description');
  }

function GetAdminSection()
  {
    return 'layout';
  }

function SetParameters()
  {
    $this->RestrictUnknownParams();
    $this->CreateParameter('collapse', '1', $this->lang('help_collapse'));
    $this->SetParameterType('collapse',CLEAN_INT);

$this->CreateParameter('loadprops', '0', $this->lang('help_loadprops'));
    $this->SetParameterType('loadprops',CLEAN_INT);

$this->CreateParameter('items', 'contact,home', $this->lang('help_items'));
    $this->SetParameterType('items',CLEAN_STRING);

$this->CreateParameter('number_of_levels', '1', $this->lang('help_number_of_levels'));
    $this->SetParameterType('number_of_levels',CLEAN_INT);

$this->CreateParameter('show_all', '0', $this->lang('help_show_all'));
    $this->SetParameterType('show_all',CLEAN_INT);

$this->CreateParameter('show_root_siblings', '1', $this->lang('help_show_root_siblings'));
    $this->SetParameterType('show_root_siblings',CLEAN_INT);

$this->CreateParameter('start_level', '2', $this->lang('help_start_level'));
    $this->SetParameterType('start_level',CLEAN_INT);

$this->CreateParameter('start_element', '1.2', $this->lang('help_start_element'));
    $this->SetParameterType('start_element',CLEAN_STRING); // yeah, it's a string

$this->CreateParameter('start_page', 'home', $this->lang('help_start_page'));
    $this->SetParameterType('start_page',CLEAN_STRING);

$this->CreateParameter('template', 'simple_navigation.tpl', $this->lang('help_template'));
    $this->SetParameterType('template',CLEAN_STRING);

$this->CreateParameter('excludeprefix','',$this->Lang('help_excludeprefix'));
    $this->SetParameterType('excludeprefix',CLEAN_STRING);

$this->CreateParameter('includeprefix','',$this->Lang('help_includeprefix'));
    $this->SetParameterType('includeprefix',CLEAN_STRING); 
  }

/**
   * Recursive function to go through all nodes and put them into a list
   */
  function GetChildNodes(&$parentnode, &$nodelist, &$gCms, &$prevdepth, &$count, &$params, $origdepth, &$showparents, $deep = false)
  {
    $includeprefix = '';
    $excludeprefix = '';
    if( isset($params['includeprefix']) )
      {
	$includeprefix = trim($params['includeprefix']);
      }
    else if( isset($params['excludeprefix']) )
      {
	$excludeprefix = trim($params['excludeprefix']);
      }
    
    if (isset($params['show_all']))
      {
	$show_all = $params['show_all'];
      }
    else
      {
	$show_all = 0;
      }
    if (isset($parentnode))
      {
	$children =& $parentnode->getChildren($deep);
	if (isset($children) && count($children))
	  {
	    reset($children);
	    while (list($key) = each($children))
	      {
		$onechild =& $children[$key];
		$content =& $onechild->GetContent($deep);
		if( !is_object($content) ) 
		  {
		    // uhm, couldn't get the content object... this is strange
		    // should I trigger an error?
		    continue;
		  }

// see if we need to explicitly include this content
		$includeit = 1;
		if( $includeprefix != '' )
		  {
		    $includeit = 0;
		    $prefixes = explode(',',$includeprefix);
		    foreach( $prefixes as $oneprefix )
		      {
			if( strstr($content->Alias(),$oneprefix) !== FALSE )
			  {
			    $includeit = 1;
			    break;
			  }
		      }
		  }

// see if we need to explicitly exclude this content
		$excludeit = 0;
		if( $excludeprefix != '' )
		  {
		    $prefixes = explode(',',$excludeprefix);
		    foreach( $prefixes as $oneprefix )
		      {
			if( strstr($content->Alias(),$oneprefix) !== FALSE )
			  {
			    $excludeit = 1;
			    break;
			  }
		      }
		  }

if ($content != NULL && $content->Active() && 
		    ($includeit && !$excludeit) &&
		    ($content->ShowInMenu() || ($show_all == 1  && !$content->IsSystemPage())))
		  {
		    $newnode =& $this->FillNode($content, $onechild, $nodelist, 
						$gCms, $count, $prevdepth, $origdepth, $deep);
		    //Ok, this one is nasty...
		    //First part checks to see if number_of_levels is set and whether the current depth is deeper than the set number_of_levels depth (opposite logic, actually)
		    //Second part checks to see if showparents is set...  if so, then it checks to see if this hierarchy position is one of them
		    //If either of these things occurs, then try to show the children of this node
		    if (!(isset($params['number_of_levels']) && 
			  $newnode->depth > ($params['number_of_levels']) - ($origdepth)) && 
			(count($showparents) == 0 || (count($showparents) > 0 && 
						      in_array($content->Hierarchy() . '.', $showparents))))
		      {
			$this->GetChildNodes($onechild, $nodelist, $gCms, $prevdepth, $count, $params, $origdepth, $showparents, $deep);
		      }
		  }
	      }
	  }
      }
  }

function & FillNode(&$content, &$node, &$nodelist, &$gCms, &$count, &$prevdepth, $origdepth, $deep = false)
    {
      $onenode = new stdClass();
      $onenode->id = $content->Id();
      $onenode->pagetitle = $content->Name();
      $onenode->url = $content->GetURL();
      $onenode->accesskey = $content->AccessKey();
      $onenode->type = strtolower($content->Type());
      $onenode->tabindex = $content->TabIndex();
      $onenode->titleattribute = $content->TitleAttribute();
      $onenode->modified = $content->GetModifiedDate();
      $onenode->created = $content->GetCreationDate();

$onenode->hierarchy = $content->Hierarchy();
      $onenode->depth = count(explode('.', $content->Hierarchy())) - ($origdepth - 1);
      $onenode->prevdepth = $prevdepth - ($origdepth - 1);
      if ($onenode->prevdepth == 0)
	$onenode->prevdepth = 1;
      $onenode->haschildren = false;
      if (isset($node))
	$onenode->haschildren = $node->HasChildren(true);
      $prevdepth = $onenode->depth + ($origdepth - 1);
      $onenode->menutext = my_htmlentities($content->MenuText());
      $onenode->raw_menutext = $content->MenuText();
      $onenode->target = '';
      $onenode->index = $count;
      $onenode->alias = $content->Alias();
      $onenode->parent = false;
      $count++;

if( $deep )
	{
	  $onenode->extra1 = $content->GetPropertyValue('extra1');
	  $onenode->extra2 = $content->GetPropertyValue('extra2');
	  $onenode->extra3 = $content->GetPropertyValue('extra3');
	  $tmp = $content->GetPropertyValue('image');
	  if( !empty($tmp) && $tmp != -1 )
	    {
	      $onenode->image = $tmp;
	    }
	  $tmp = $content->GetPropertyValue('thumbnail');
	  if( !empty($tmp) && $tmp != -1 )
	    {
	      $onenode->thumbnail = $tmp;
	    }
	  if ($content->HasProperty('target'))
	    $onenode->target = $content->GetPropertyValue('target');
	}

if (isset($gCms->variables['content_id']) && $onenode->id == $gCms->variables['content_id'])
	$onenode->current = true;
      else
	{
	  $onenode->current = false;
	  //So, it's not current.  Lets check to see if it's a direct parent
	  if (isset($gCms->variables["friendly_position"]))
	    {
	      if (strstr($gCms->variables["friendly_position"] . '.', $content->Hierarchy() . '.') == $gCms->variables["friendly_position"] . '.')
		{
		  $onenode->parent = true;
		}
	    }
	}

$nodelist[] = $onenode;

return $onenode;
    }

function GetHelp($lang='en_US')
  {
    return $this->Lang('help');
  }

function GetAuthor()
  {
    return 'Ted Kulp';
  }

function GetAuthorEmail()
  {
    return 'ted@cmsmadesimple.org';
  }

function GetChangeLog()
  {
    return $this->Lang('changelog');
  }

return $data;
  }

function SetMenuTemplate( $tpl_name, $content )
  {
    if (endswith($tpl_name, '.tpl'))
      {
	return false;
      }

$this->SetTemplate( $tpl_name, $content );
    return true;
  }
} // End of class

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