<?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
 */

/**
 * Require dirlist control
 */
ControlFactory::load('dirlist');

/**
 * This is a prototype control.
 *
 * From this class all other controls can be derived.
 *
 * @package mocovi
 * @subpackage controls
 */
class newestpostings_control extends dirlist_control
{
	protected $date;
	protected $defaultOptions = array
		( 'maximum' => '*'
		, 'format' => 'r' // PHP date() format
		);

	/**
	 * @override
	 */
	protected function program()
	{
		$this->date = ControlFactory::createVirtual
		( 'date'
		, array
			( 'format' => $this->getOption('format')
			)
		);
		$this->readElementsIn($this->node, '/');
	}

	/**
	 * @override
	 */
	protected function readElementsIn(DomNode &$container, $dir)
	{
		$fs = $GLOBALS['filesystem'];
		$list = $fs->getList($dir);
		$elementcounter = 0;
		foreach($list as $file)
		{
			$name = $fs->contextQuery($file, '@name')->item(0)->value;
			$currentDir = $dir.$name.'/';
			$currentFile = $dir.$name.'.html';
			$element = $this->dom->createElement('element');
			if($lastModifiedNode = $fs->contextQuery($file, '@lastModified')->item(0))
				$lastModified = $lastModifiedNode->value;
			else
				$lastModified = 0;
			if(strlen($lastModified) == 0 || $lastModified == '*')
				if($createdNode = $fs->contextQuery($file, '@created')->item(0))
					$lastModified = $createdNode->value;
			$element->setAttribute('order', $lastModified);
			$element->setAttribute
				( 'lastModified'
				, $this->date->formatTime(strtotime($lastModified))
				);
			$element->setAttribute('path', $currentFile);
			if($authorNode = $fs->contextQuery($file, '@author')->item(0))
				$element->setAttribute('author', $authorNode->value);
			if($headlineNode = $fs->contextQuery($file, './/mocovi:headline')->item(0))
			{
				$headline = $headlineNode->nodeValue;
				if(empty($headline) && $headlineTokenNode = $fs->contextQuery($headlineNode, '@textToken')->item(0))
					$headline = translator::translateToken($headlineTokenNode->value)->nodeValue;
				$element->appendChild($this->dom->createElement('title', $headline));
			}
			if($paragraphNode = $fs->contextQuery($file, './/mocovi:paragraph')->item(0))
			{
				$paragraph = $paragraphNode->nodeValue;
				if(empty($paragraph) && $paragraphTokenNode = $fs->contextQuery($paragraphNode, '@textToken')->item(0))
					$paragraph = translator::translateToken($paragraphTokenNode->value)->nodeValue;
				$element->appendChild($this->dom->createElement('description', $paragraph));
			}
			$container->appendChild($element);
			$this->readElementsIn($container, $currentDir); // Recursion
		}
		$this->adoptAttribute('maximum');
	}
}