<?php

/* vim: set expandtab tabstop=4 shiftwidth=4: */

/**
 * Contains the Calendar_Decorator_Wrapper class.
 *
 * PHP versions 4 and 5
 *
 * LICENSE: Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @category  Date and Time
 *
 * @author    Harry Fuecks <hfuecks@phppatterns.com>
 * @author    Lorenzo Alberton <l.alberton@quipo.it>
 * @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton
 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
 *
 * @link      http://pear.php.net/package/Calendar
 */

/**
 * Allows Calendar include path to be redefined.
 *
 * @ignore
 */
if (!defined('CALENDAR_ROOT')) {
    define('CALENDAR_ROOT', 'Calendar/');
}

/**
 * Load Calendar decorator base class.
 */
require_once CALENDAR_ROOT . 'Decorator.php';

/**
 * Decorator to help with wrapping built children in another decorator.
 *
 * @category  Date and Time
 *
 * @author    Harry Fuecks <hfuecks@phppatterns.com>
 * @author    Lorenzo Alberton <l.alberton@quipo.it>
 * @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton
 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
 *
 * @link      http://pear.php.net/package/Calendar
 */
class Calendar_Decorator_Wrapper extends Calendar_Decorator
{
    /**
     * Constructs Calendar_Decorator_Wrapper.
     *
     * @param object &$Calendar subclass of Calendar
     */
    public function __construct(&$Calendar)
    {
        parent::__construct($Calendar);
    }

    /**
     * Wraps objects returned from fetch in the named Decorator class.
     *
     * @param string $decorator name of Decorator class to wrap with
     *
     * @return bool instance of named decorator
     */
    public function &fetch($decorator)
    {
        $Calendar = parent::fetch();
        $ret      = false;
        if ($Calendar) {
            $ret = new $decorator($Calendar);
        }

        return $ret;
    }

    /**
     * Wraps the returned calendar objects from fetchAll in the named decorator.
     *
     * @param string $decorator name of Decorator class to wrap with
     *
     * @return array
     */
    public function fetchAll($decorator)
    {
        $children = parent::fetchAll();
        foreach ($children as $key => $Calendar) {
            $children[$key] = new $decorator($Calendar);
        }

        return $children;
    }
}
