<?php

/* This file is part of testMaker.

testMaker is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation.

testMaker 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/>. */


/**
 * @package Core
 */

/**
 * Include the InfoBlock class
 */
require_once(dirname(__FILE__).'/InfoBlock.php');

/**
 * Include the Block class
 */
require_once(dirname(__FILE__).'/TreeNode.php');

/**
 * InfoPage class
 *
 * @package Core
 */

libLoad("utilities::shortenString");

class InfoPage extends TreeNode
{
	var $id;
	var $content;

	function InfoPage($id)
	{
		$this->db = &$GLOBALS['dao']->getConnection();

		$this->table = DB_PREFIX.'info_pages';
		$this->sequence = DB_PREFIX.'info_pages';
		$this->parentConnector = 'block_id';

		$this->TreeNode($id);
	}

	/**
	 * returns parent node with given id
	 * @return InfoBlock
	 */
	function _returnParent($id)
	{
		return $GLOBALS["BLOCK_LIST"]->getBlockById($id, BLOCK_TYPE_INFO);
	}

	/**
	 * returns owner of upper block
	 * @return User
	 */
	function getOwner()
	{
		$parent = $this->getParent();
		return $parent->getOwner();
	}

	/**
	 * returns the title of current info page or if not set a short part of the content
	 * @return String
	 */
	function getTitle($shorten = true)
	{
		$query = 'SELECT title FROM '.$this->table.' WHERE id = ?';
		$field = $this->db->getOne($query, array($this->id));
		if($this->db->isError($field)) {
			return false;
		}
		if($shorten && (strlen(trim($field)) == 0)) {
			$field = shortenString(strip_tags($this->getContent()), 25);
		}

		return $field;
	}

	/**
	 * returns the content of the current page
	 * @return String
	 */
	function getContent()
	{
		return $this->_getField('content');
	}

	/**
	 * returns the media connect id
	 * @return int
	 */
	function getMediaConnectId()
	{
		$parent = $this->getParent();
		return $parent->getMediaConnectId();
	}

	/**
	 * Returns a copy of the current node
	 * @param integer target parent node id
	 * @param mixed[] 2-dimensional array of changed ids. First dimension containing node type as name and seconde dimension assigns old id to new id.
	 * @param integer predefined new node id
	 * @return Node
	 */
	function copyNode($parentId, &$changedIds, $newNodeId = NULL)
	{
		$node = parent::copyNode($parentId, $changedIds, $newNodeId = NULL);
		
		//modify media pathes
		if(isset($node)) {
			$content = $this->getContent();
			$fileHandling = new FileHandling();
			$mediaPath = str_replace(ROOT, '', $fileHandling->getFileDirectory()).'media/';
			$newParent = new InfoBlock($parentId);
			$content = preg_replace('/'.preg_quote($mediaPath, '/').'[0-9]+_/', $mediaPath.$newParent->getMediaConnectId().'_', $content);
			$node->modify(array('content' => $content));
		}
		
		return $node;
	}

	/**
	 * modify the given informations in the current page
	 * @param mixed[] $modification values to be modified
	 * @return bool
	 */
	function modify($modifications)
	{
		if(!is_array($modifications)) {
				trigger_error('<b>InfoPage::modify</b>: $modifications is no valid array');
		}

		$avalues = array();
		if(array_key_exists('content', $modifications)) {
			$avalues['content'] = $modifications['content'];
		}
		if(array_key_exists('title', $modifications)) {
			$avalues['title'] = $modifications['title'];
		}
		if(array_key_exists('pos', $modifications)) {
			$avalues['pos'] = $modifications['pos'];
		}
		if(array_key_exists('media_connect_id', $modifications)) {
			$avalues['media_connect_id'] = $modifications['media_connect_id'];
		}
		if(array_key_exists('disabled', $modifications)) {
			$avalues['disabled'] = $modifications['disabled'] ? 1 : 0;
		}

		return $this->_modify($avalues);
	}

}

?>