template.php
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<?php
/**
* Template Engine.
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008, 2009, 2010 KnowledgeTree Inc.
*
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* 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 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/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.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 General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*/
/**
*
* @copyright 2008-2010, KnowledgeTree Inc.
* @license GNU General Public License version 3
* @author KnowledgeTree Team
* @package Installer
* @version Version 0.1
*/
class Template
{
/**
* Hold all the variables that are going to be imported into the template file
* @var array
*/
var $template_vars = Array();
/**
* Constructor
*
* @author KnowledgeTree Team
* @param string $file the file name you want to load
* @access public
* @return void
*/
public function Template($file = null)
{
$this->file = $file;
}
/**
* Set a variable into the template
* If the variable is a template object, go and call its template::fetch() method
*
* @author KnowledgeTree Team
* @param string $name The name for this value in the template file
* @param string $value The value to show in the template file
* @access public
* @return void
*/
public function set($name, $value)
{
$class = 'Template';
$isA = $value instanceof $class;
if($isA) {
$value = $value->fetch();
}
$this->template_vars[$name] = $value;
}
/**
* Create the template and import its variables
*
* @author KnowledgeTree Team
* @param string $file The file to use as the template
* @access public
* @return string The parsed template
*/
public function fetch($file = null)
{
if (is_null($file)) $file = $this->file;
$file = WIZARD_DIR . $file;
if (!file_exists($file)) {
trigger_error('Template file '.$file.' does not exist ', E_USER_ERROR);
}
$this->template_vars['html'] = new htmlHelper();
extract($this->template_vars); // Extract the vars to local namespace
ob_start();
include($file);
$contents = ob_get_contents();
ob_end_clean();
return $contents;
}
}
?>