<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * 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 Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by SugarCRM".
 ********************************************************************************/


// Singleton to load sprites metadata from SugarTheme

class SugarSprites {

	private static $instance;
	public $sprites = array();
	public $dirs = array();

	private function __construct() {
		// load default sprites
		$this->dirs['default'] = true;
		$this->loadMetaHelper('default','sprites');
		// load repeatable sprites
		//$this->dirs['Repeatable'] = true;
		//$this->loadMetaHelper('Repeatable','sprites');
	}

	public static function getInstance() {
		if(!self::$instance)
			self::$instance = new self();
		return self::$instance;
    }

	public function loadSpriteMeta($dir) {
		if(! isset($this->dirs[$dir])) {
			$this->loadMetaHelper($dir, 'sprites');
			$this->dirs[$dir] = true;
		}
	}

	private function loadMetaHelper($dir, $file) {
		if(file_exists("cache/sprites/{$dir}/{$file}.meta.php")) {
			$sprites = array();
			$GLOBALS['log']->debug("Sprites: Loading sprites metadata for $dir");
			include("cache/sprites/{$dir}/{$file}.meta.php");
			foreach($sprites as $id => $meta) {
				$this->sprites[$id] = $meta;
			}
		}
	}
}

?>