<?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
 */

/**
 * Including generic text control.
 */
ControlFactory::load('text');

/**
 *
 * @package mocovi
 * @subpackage controls
 */
class headline_control extends text_control
{
	protected static $firstset = false;

	protected $defaultOptions = array
		( 'priority'	=> '2'
		, 'textToken'	=> ''
		);

	/**
	 * @override
	 */
	protected function program()
	{
		$this->createEscapeAttribute();

		$this
		->node
		->setAttribute
			( 'priority'
			, 	(
				self::$firstset
				?
					$this->getOption('priority')
				:
					1
				)
			);
		self::$firstset = true;
	}

	protected function createEscapeAttribute()
	{
		$text = $this->getText();
		$prefix = (preg_match( '/^[0-9]+/', $text->nodeValue) ? 'A' : '');
		$escaped = preg_replace
			( '/[^a-zA-Z0-9_-]*/'
			, ''
			, str_replace
				( array('ä',  'Ä',  'ö',  'Ö',  'ü',  'Ü',  'ß',  ' ')
				, array('ae', 'Ae', 'oe', 'Oe', 'ue', 'Ue', 'ss', '_')
				, trim($text->nodeValue)
				)
			);
		$this->node->setAttribute
			( 'escaped'
			, $prefix
			. $escaped
			);
	}
}