<?php
/**
 * patTemplate function Drop Down Menu
 *
 * @package Wombat
 * @subpackage patTemplate
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */

/**
 * patTemplate function Drop Down Menu
 *
 * @todo use actual menu maker
 * @todo remove constant menu items
 * @version 0.3.0
 * @package Wombat
 * @subpackage patTemplate
 */
class patTemplate_Function_DropDownMenu extends patTemplate_Function
{
    /**
     * Function Type
     * @var integer
     */
    public $_type = PATTEMPLATE_FUNCTION_RUNTIME;

    /**
     * Configuration
     * @var array
     */
    private $config     =   array(
                                'area'      =>  'user',
                                'type'      =>  0,
                                'tmpl'      =>  'default',
                                'text'      =>  '{FORENAME}',
                                'tooltip'   =>  'Angemeldet als {FORENAME} {SURNAME}',
                                'icon'      =>  'user'
                        );

    /**
     * @var WBUser_Auth
     */
    private $user;

    /**
     * @var patTemplate
     */
    private $tmpl;

    /**
     * @var WBConfig
     */
    private $conf;

    /**
     * constructor
     *
     */
    public function __construct()
    {
        WBClass::load('WBUser_Auth');
        $this->user     =   WBUser_Auth::getCurrent();
        $this->tmpl     =   WBClass::create('patTemplate');
        $this->conf     =   WBClass::create('WBConfig');
    }

   /**
     * Call the Function
     *
     * @param array parameters of the function (= attributes of the tag)
     * @param string content of the tag
     * @return string content to insert into the template
     */
    public function call($params, $content)
    {
        if (!$this->user->isAuthenticated()) {
            return '';
        }

        if (!is_array($params)) {
            $params =   array();
        }
        if (empty($params['area'])) {
            $params['area'] =   $this->config['area'];
        }

        if (!$this->conf->load('menumaker/dropdown/' . $params['area'], true)) {
            return '';
        }

        // merge config with loaded config
        foreach (array('uri', 'text', 'tooltip', 'icon') as $k) {
            $v  =   $this->conf->get('dropdown/' . $k);
            if (!empty($v)) {
                $this->config[$k] =   $v;
            }
        }
        $v  =   $this->conf->get('dropdown/template');
        if (!empty($v)) {
            $this->config['tmpl']   =   $v;
        }
        // override config with parameters
        $params =   array_merge($this->config, $params);

        $user   =   $this->user->getData();

        $item   =   $this->conf->get('dropdown/menu', array());
        if (!is_array($item)) {
            $item   =   array();
        }
        if (empty($item)) {
            return '';
        }

        $list   =   array();
        foreach ($item as $i) {
            if (!is_array($i['required'])) {
                $i['required']  =   trim($i['required']);
            }
            if (!$this->user->isInGroup($i['required'])) {
                continue;
            }
            unset($i['required']);

            $i['text']      =   WBString::populate($i['text'], $user);
            $i['tooltip']   =   WBString::populate($i['tooltip'], $user);
            $list[] =   $i;
        }

        if (empty($list)) {
            return '';
        }

        $params['text']     =   WBString::populate($params['text'], $user);
        $params['tooltip']  =   WBString::populate($params['tooltip'], $user);


        $this->tmpl->clearAllTemplates();
        $this->tmpl->addGlobalVars($params, 'ATT_');
        $this->tmpl->readTemplatesFromInput('MenuMaker/DropDownMenu/' . $params['tmpl'] . '.tmpl');
        $this->tmpl->addGlobalVar('list_count', count($list));
        $this->tmpl->addRows('list_entry', $list);

        return $this->tmpl->getParsedTemplate('snippet');
    }
}