<?php
/**
 * patTemplate function Holiday
 *
 * @package Wombat
 * @subpackage patTemplate
 * @author Frank Hebold <frank.hebold@chelnok.de>
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */

/**
 * patTemplate function Holiday
 *
 * @version 0.2.0
 * @package Wombat
 * @subpackage patTemplate
 */
class patTemplate_Function_Holiday extends patTemplate_Function
{
    /**
     * Function Type
     * @var integer
     */
    public $_type = PATTEMPLATE_FUNCTION_RUNTIME;

    /**
     * Configuration
     * @var array
     */
    private $config     =   array(
                                'inverse'  =>  0
                        );

    /**
     * @var WBDatasource_Holiday
     */
    private $holiday;

    /**
     * constructor
     *
     */
    public function __construct()
    {
        $this->holiday  =   WBClass::create('WBDatasource_Holiday');
    }

   /**
     * 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, $content)
    {
        // nothing to do
        if (empty($content)) {
            return '';
        }

        $params =   array_merge($this->config, $params);

        $res    =   $this->holiday->isHoliday();
        if (0 < $params['inverse']) {
            $res    =   !$res;
        }

        if ($res) {
            return $content;
        }

        return '';
    }
}