class.silk_smarty.php

<?php // -*- mode:php; tab-width:4; indent-tabs-mode:t; c-basic-offset:4; -*-
// The MIT License
// 
// Copyright (c) 2008 Ted Kulp
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

/**
 * Extends the Smarty class for singleton handling and setting up multiple
 * plugin locations.
 *
 * @author Ted Kulp
 * @since 1.0
 **/
require_once(join_path(SILK_LIB_DIR,'smarty','Smarty.class.php'));

class SilkSmarty extends Smarty {

	static private $instance = NULL;

	function __construct()
	{
		parent::__construct();

		$this->template_dir = join_path(ROOT_DIR, 'tmp', 'templates');
		$this->compile_dir = join_path(ROOT_DIR, 'tmp', 'templates_c');
		$this->config_dir = join_path(ROOT_DIR, 'tmp', 'configs');
		$this->cache_dir = join_path(ROOT_DIR, 'tmp', 'cache');
		$this->plugins_dir = array(join_path(SILK_LIB_DIR, 'plugins'), join_path(SILK_LIB_DIR, 'smarty', 'plugins'));

		$this->cache_plugins = false;
	}

	static public function get_instance($have_db = true)
	{
		if (self::$instance == NULL)
		{
			self::$instance = new SilkSmarty($have_db);
		}
		return self::$instance;
	}

	/**
	 * wrapper for include() retaining $this
	 * @return mixed
	 */
	function _include($filename, $once=false, $params=null)
	{
		if ($filename != '')
		{
			if ($once) {
				return include_once($filename);
			} else {
				return include($filename);
			}
		}
	}

	function trigger_error($error_msg, $error_type = E_USER_WARNING)
	{   
		var_dump("Smarty error: $error_msg");
	}
}

?>