<?php
/**
 *  Copyright (C) 2010  Kai Dorschner
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 *
 * @author Kai Dorschner <the-hide@address.com>
 * @copyright Copyright 2010, Kai Dorschner
 * @license http://www.gnu.org/licenses/gpl.html GPLv3
 * @package mocovi
 * @subpackage controls
 */

class_exists('Validator') or require $GLOBALS['library'].'Validator.php';
ControlFactory::load('image');
/**
 * Present and format all kinds of images including descriptions.
 *
 * @package mocovi
 * @subpackage controls
 */
class gravatar_control extends image_control
{
	protected $defaultOptions = array
		( 'source'		=> ''
		, 'email'		=> ''
		, 'description'	=> ''
		, 'orientation'	=> 'middle'
		, 'crop'		=> 'yes' // yes or no
		, 'rule'		=> '' // even or odd
		, 'type'		=> ''
		, 'check'		=> false // Checks wether a file exists or not.
		);

	/**
	 * @override
	 */
	protected function program()
	{
		try
		{
			Validator::validateByRegex(Validator::required($this->getOption('email')), Validator::getRegex('email'));
		}
		catch(RequiredException $e)
		{
			return $this->error('The email address attribute is required. Please provide one.');
		}
		catch(Exception $e)
		{
			return $this->error('Something is wrong with your provided email address. '.get_class($e).'. '.$e->getMessage());
		}
		$this->options['source'] = 'http://www.gravatar.com/avatar/'.md5(strtolower(trim($this->getOption('email')))); // as gravatar.com said...
		parent::program();
	}
}