<?php
class TemplateService {
	var $basedir;

	function &getInstance() {
		static $instance;
		if (!isset($instance))
		$instance =& new TemplateService();
		return $instance;
	}

	function TemplateService() {
		$this->basedir = $GLOBALS['TEMPLATES_DIR'];
	}

	function loadTemplate($template, $vars = NULL) {
		if (substr($template, -4) != '.php')
		$template .= '.php';
		$tpl =& new Template($this->basedir .'/'. $template, $vars, $this);
		$tpl->parse();
		return $tpl;
	}
}

class Template {
	var $vars = array();
	var $file = '';
	var $templateservice;

	function Template($file, $vars = NULL, &$templateservice) {
		$this->vars = $vars;
		$this->file = $file;
		$this->templateservice = $templateservice;
	}

	function parse() {
		if (isset($this->vars))
		extract($this->vars);
		include($this->file);
	}

	function includeTemplate($name) {
		return $this->templateservice->loadTemplate($name, $this->vars);
	}
}
?>