<?php
/**
 * PHPWord
 *
 * Copyright (c) 2011 PHPWord
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPWord
 * @package    PHPWord
 * @copyright  Copyright (c) 010 PHPWord
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    Beta 0.6.3, 08.07.2011
 */


/**
 * PHPWord_TOC
 *
 * @category   PHPWord
 * @package    PHPWord_TOC
 * @copyright  Copyright (c) 2011 PHPWord
 */
class PHPWord_TOC {
	
	/**
	 * Title Elements
	 *
	 * @var array
	 */
	private static $_titles = array();
	
	/**
	 * TOC Style
	 *
	 * @var array
	 */
	private static $_styleTOC;
	
	/**
	 * Font Style
	 *
	 * @var array
	 */
	private static $_styleFont;
	
	/**
	 * Title Anchor
	 *
	 * @var array
	 */
	private static $_anchor = 252634154;
	
	/**
	 * Title Bookmark
	 *
	 * @var array
	 */
	private static $_bookmarkId = 0;
	
	
	/**
	 * Create a new Table-of-Contents Element
	 * 
	 * @param array $styleFont
	 * @param array $styleTOC
	 */
	public function __construct($styleFont = null, $styleTOC = null) {
		self::$_styleTOC = new PHPWord_Style_TOC();
		
		if(!is_null($styleTOC) && is_array($styleTOC)) {
			foreach($styleTOC as $key => $value) {
				if(substr($key, 0, 1) != '_') {
					$key = '_'.$key;
				}
				self::$_styleTOC->setStyleValue($key, $value);
			}
		}
		
		if(!is_null($styleFont)) {
			if(is_array($styleFont)) {
				self::$_styleFont = new PHPWord_Style_Font();
				
				foreach($styleFont as $key => $value) {
					if(substr($key, 0, 1) != '_') {
						$key = '_'.$key;
					}
					self::$_styleFont->setStyleValue($key, $value);
				}
			} else {
				self::$_styleFont = $styleFont;
			}
		}
	}
	
	/**
	* Add a Title
	* 
	* @return array
	*/
	public static function addTitle($text, $depth = 0) {
		$anchor = '_Toc'.++self::$_anchor;
		$bookmarkId = self::$_bookmarkId++;
		
		$title = array();
		$title['text'] = $text;
		$title['depth'] = $depth;
		$title['anchor'] = $anchor;
		$title['bookmarkId'] = $bookmarkId;
		
		self::$_titles[] = $title;
		
		return array($anchor, $bookmarkId);
	}
	
	/**
	 * Get all titles
	 * 
	 * @return array
	 */
	public static function getTitles() {
		return self::$_titles;
	}
	
	/**
	 * Get TOC Style
	 * 
	 * @return PHPWord_Style_TOC
	 */
	public static function getStyleTOC() {
		return self::$_styleTOC;
	}
	
	/**
	 * Get Font Style
	 * 
	 * @return PHPWord_Style_Font
	 */
	public static function getStyleFont() {
		return self::$_styleFont;
	}
}
