/includes/template.php

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<?php

/*
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
 * Copyright (C) 2006-2009 Dan Fuhry
 *
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 *
 * 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 details.
 */
 
class template
{
	var $tpl_strings, $tpl_bool, $vars_assign_history, $theme, $style, $no_headers, $additional_headers, $sidebar_extra, $sidebar_widgets, $toolbar_menu, $theme_list, $named_theme_list, $default_theme, $default_style, $plugin_blocks, $plugin_blocks_content, $namespace_string, $style_list, $theme_loaded;
	
	var $theme_initted = false;
	var $page_initted = false;
	var $elements = false;
	var $page_id = false;
	var $namespace = false;
	var $js_preload = array();
	var $js_append = '';
	
	/**
 	* Page action conditions
 	* @var array
 	*/
	
	var $conds = array();
	
	/**
 	* The PageProcessor for the current page
 	* @var object
 	*/
	
	var $page = false;
	
	/**
 	* The list of themes that are critical for Enano operation. This doesn't include oxygen which
 	* remains a user theme. By default this is admin and printable which have to be loaded on demand.
 	* @var array
 	*/
	
	var $system_themes = array('admin', 'printable');
	
	/**
 	* Set to true if the site is disabled and thus a message needs to be shown. This should ONLY be changed by common.php.
 	* @var bool
 	* @access private
 	*/
	
	var $site_disabled = false;
	
	/**
 	* One of the absolute best parts of Enano :-P
 	* @var string
 	*/
	
	var $fading_button = '';
	
	/**
	* Context stack. You can save and restore the var set.
	* @var array
	*/

	var $context_stack = array('bool' => array(), 'str' => array(), 'history' => array());
	
	function __construct()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $cache;
		
		$this->tpl_bool    = Array();
		$this->tpl_strings = Array();
		$this->sidebar_extra = '';
		$this->toolbar_menu = '';
		$this->additional_headers = '';
		$this->plugin_blocks = Array();
		$this->plugin_blocks_content = array();
		$this->theme_loaded = false;
		
		$this->theme_list = Array();
		$this->named_theme_list = Array();
		
		$this->vars_assign_history = array(
				'strings' => array(),
				'bool' => array()
			);
		
		if ( defined('IN_ENANO_UPGRADE') )
		{
			return $this->construct_compat();
		}
		
		if ( !$this->theme_list = $cache->fetch('themes') )
		{
			$q = $db->sql_query('SELECT theme_id, theme_name, enabled, default_style, group_policy, group_list FROM ' . table_prefix . 'themes;');
			if ( !$q )
				$db->_die('template.php selecting theme list');
			
			$i = 0;
			while ( $row = $db->fetchrow() )
			{
				$this->theme_list[$i] = $row;
				$i++;
			}
			unset($theme);
			$this->theme_list = array_values($this->theme_list);
			$cache->store('themes', $this->theme_list, -1);
		}
		
		// Create associative array of themes
		foreach ( $this->theme_list as $i => &$theme )
			$this->named_theme_list[ $theme['theme_id'] ] =& $this->theme_list[$i];
		
		unset($theme);
		
		$this->default_theme = ( $_ = getConfig('theme_default') ) ? $_ : $this->theme_list[0]['theme_id'];
		$this->named_theme_list[ $this->default_theme ]['css'] = $this->get_theme_css_files($this->default_theme);
		// Come up with the default style. If the CSS file specified in default_style exists, we're good, just
		// use that. Otherwise, use the first stylesheet that comes to mind.
		$df_data =& $this->named_theme_list[ $this->default_theme ];
		$this->default_style = ( in_array($df_data['default_style'], $df_data['css']) ) ? $df_data['default_style'] : $df_data['css'][0];
	}
	
	/**
	* Save the current context and start a blank one.
	*/
	
	function context_push()
	{
		array_push($this->context_stack['str'], $this->tpl_strings);
		array_push($this->context_stack['bool'], $this->tpl_bool);
		array_push($this->context_stack['history'], $this->vars_assign_history);
	}
	
	function context_pop()
	{
		$this->tpl_strings = array_pop($this->context_stack['str']);
		$this->tpl_bool = array_pop($this->context_stack['bool']);
		$this->vars_assign_history = array_pop($this->context_stack['history']);
	}
	
	/**
 	* Gets the list of available CSS files (styles) for the specified theme.
 	* @param string Theme ID
 	* @return array
 	*/
	
	function get_theme_css_files($theme_id)
	{
		$css = array();
		$dir = ENANO_ROOT . "/themes/{$theme_id}/css";
		if ( $dh = @opendir($dir) )
		{
			while ( ( $file = @readdir($dh) ) !== false )
			{
				if ( preg_match('/\.css$/', $file) )
					$css[] = preg_replace('/\.css$/', '', $file);
			}
			closedir($dh);
		}
		// No CSS files? If so, nuke it.
		if ( count($css) < 1 )
		{
			unset($this->theme_list[$theme_id]);
		}
		return $css;
	}
	
	/**
 	* Failsafe constructor for upgrades.
 	*/
	
	function construct_compat()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$this->tpl_bool    = Array();
		$this->tpl_strings = Array();
		$this->sidebar_extra = '';
		$this->toolbar_menu = '';
		$this->additional_headers = '';
		$this->plugin_blocks = Array();
		$this->theme_loaded = false;
		
		$this->fading_button = '<div style="background-image: url('.scriptPath.'/images/about-powered-enano-hover.png); background-repeat: no-repeat; width: 88px; height: 31px; margin: 0 auto 5px auto;">
															<a style="background-image: none; padding-right: 0;" href="http://enanocms.org/" onclick="window.open(this.href); return false;"><img style="border-width: 0;" alt=" " src="'.scriptPath.'/images/about-powered-enano.png" onmouseover="domOpacity(this, 100, 0, 500);" onmouseout="domOpacity(this, 0, 100, 500);" /></a>
														</div>';
		
		$this->theme_list = Array();
		$this->named_theme_list = Array();
		
		$q = $db->sql_query('SELECT theme_id, theme_name, enabled, default_style FROM ' . table_prefix . 'themes;');
		if ( !$q )
			$db->_die('template.php selecting theme list');
		
		$i = 0;
		while ( $row = $db->fetchrow() )
		{
			$this->theme_list[$i] = $row;
			$i++;
		}
		// List out all CSS files for this theme
		foreach ( $this->theme_list as $i => &$theme )
		{
			$theme['css'] = array();
			$dir = ENANO_ROOT . "/themes/{$theme['theme_id']}/css";
			if ( $dh = @opendir($dir) )
			{
				while ( ( $file = @readdir($dh) ) !== false )
				{
					if ( preg_match('/\.css$/', $file) )
						$theme['css'][] = preg_replace('/\.css$/', '', $file);
				}
				closedir($dh);
			}
			// No CSS files? If so, nuke it.
			if ( count($theme['css']) < 1 )
			{
				unset($this->theme_list[$i]);
			}
		}
		$this->theme_list = array_values($this->theme_list);
		// Create associative array of themes
		foreach ( $this->theme_list as $i => &$theme )
			$this->named_theme_list[ $theme['theme_id'] ] =& $this->theme_list[$i];
		
		$this->default_theme = ( $_ = getConfig('theme_default') ) ? $_ : $this->theme_list[0]['theme_id'];
		// Come up with the default style. If the CSS file specified in default_style exists, we're good, just
		// use that. Otherwise, use the first stylesheet that comes to mind.
		$df_data =& $this->named_theme_list[ $this->default_theme ];
		$this->default_style = ( in_array($df_data['default_style'], $df_data['css']) ) ? $df_data['default_style'] : $df_data['css'][0];
	}
	
	/**
 	* Systematically deletes themes from available list if they're blocked by theme security settings. Called when session->start() finishes.
 	*/
	
	function process_theme_acls()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		// generate the fading button - needs to be done after sessions are started
		$admintitle = ( $session->user_level >= USER_LEVEL_ADMIN && is_object(@$lang) ) ? ' title="' . $lang->get('sidebar_btn_enanopowered_admin_tip') . '"' : '';
		$this->fading_button = '<div style="background-image: url('.cdnPath.'/images/about-powered-enano-hover.png); background-repeat: no-repeat; width: 88px; height: 31px; margin: 0 auto 5px auto;">
															<a style="background-image: none; padding-right: 0;" href="http://enanocms.org/" onclick="window.open(this.href); return false;"' . $admintitle . '><img style="border-width: 0;" alt=" " src="'.cdnPath.'/images/about-powered-enano.png" onmouseover="domOpacity(this, 100, 0, 500);" onmouseout="domOpacity(this, 0, 100, 500);" /></a>
														</div>';
		
		// For each theme, check ACLs and delete from RAM if not authorized
		foreach ( $this->theme_list as $i => $theme )
		{
			if ( !@$theme['group_list'] )
				continue;
			if ( $theme['theme_id'] === getConfig('theme_default') )
				continue;
			switch ( $theme['group_policy'] )
			{
				case 'allow_all':
					// Unconditionally allowed
					continue;
					break;
				case 'whitelist':
					// If we're not on the list, off to the left please
					$list = enano_json_decode($theme['group_list']);
					$allowed = false;
					foreach ( $list as $acl )
					{
						if ( !preg_match('/^(u|g):([0-9]+)$/', $acl, $match) )
							// Invalid list entry, silently allow (maybe not a good idea but
							// really, these things are checked before they're inserted)
							continue 2;
						$mode = $match[1];
						$id = intval($match[2]);
						switch ( $mode )
						{
							case 'u':
								$allowed = ( $id == $session->user_id );
								if ( $allowed )
									break 2;
								break;
							case 'g':
								$allowed = ( isset($session->groups[$id]) );
								if ( $allowed )
									break 2;
						}
					}
					if ( !$allowed )
					{
						unset($this->theme_list[$i]);
					}
					break;
				case 'blacklist':
					// If we're ON the list, off to the left please
					$list = enano_json_decode($theme['group_list']);
					$allowed = true;
					foreach ( $list as $acl )
					{
						if ( !preg_match('/^(u|g):([0-9]+)$/', $acl, $match) )
							// Invalid list entry, silently allow (maybe not a good idea but
							// really, these things are checked before they're inserted)
							continue 2;
						$mode = $match[1];
						$id = intval($match[2]);
						switch ( $mode )
						{
							case 'u':
								$allowed = ( $id != $session->user_id );
								if ( !$allowed )
									break 2;
								break;
							case 'g':
								$allowed = ( !isset($session->groups[$id]) );
								if ( !$allowed )
									break 2;
						}
					}
					if ( !$allowed )
					{
						unset($this->theme_list[$i]);
					}
					break;
			}
		}
		
		$this->theme_list = array_values($this->theme_list);
		
		// Rebuild associative theme list
		$this->named_theme_list = array();
		foreach ( $this->theme_list as $i => &$theme )
			$this->named_theme_list[ $theme['theme_id'] ] =& $this->theme_list[$i];
	}
	
	/**
 	* Register a new sidebar block.
 	* @param string Block title
 	* @param string Block HTML
 	* @param bool If true, the class of the block will be the same as the one used for blocks that are a list of links instead of HTML content. This can do some wacky things like make all your <a>s block level.
 	*/
	
	function sidebar_widget($t, $h, $use_normal_section = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		if ( !$this->theme_loaded )
		{
			$this->load_theme($session->theme, $session->style);
		}
		if(!$this->sidebar_widgets)
			$this->sidebar_widgets = '';
		$tplvars = $this->extract_vars('elements.tpl');
		
		if ( $use_normal_section )
		{
			$parser = $this->makeParserText($tplvars['sidebar_section']);
		}
		else
		{
			$parser = $this->makeParserText($tplvars['sidebar_section_raw']);
		}
		
		$parser->assign_vars(Array('TITLE' => '{TITLE}','CONTENT' => $h));
		$this->plugin_blocks[$t] = $parser->run();
		$this->plugin_blocks_content[$t] = $h;
		$this->sidebar_widgets .= $parser->run();
	}
	function add_header($html)
	{
		/* debug only **
		$bt = debug_backtrace();
		$bt = $bt[1];
		$this->additional_headers .= "\n    <!-- {$bt['file']}:{$bt['line']} -->\n    " . $html;
		*/
		$this->additional_headers .= "\n   " . $html;
	}
	function get_css($s = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$this->init_vars();
		
		$path = ( $s ) ? 'css/'.$s : 'css/'.$this->style.'.css';
		
		if ( !file_exists(ENANO_ROOT . '/themes/' . $this->theme . '/' . $path) )
		{
			echo "/* WARNING: Falling back to default file because file $path does not exist */\n";
			$path = 'css/' . $this->style_list[0] . '.css';
		}
		
		return $this->process_template($path);
	}
	function load_theme($name = false, $css = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$this->theme = ( $name ) ? $name : $session->theme;
		$this->style = ( $css ) ? $css : $session->style;
		if ( !$this->theme )
		{
			$this->theme = $this->theme_list[0]['theme_id'];
			$this->style = preg_replace('/\.css$/', '', $this->theme_list[0]['default_style']);
		}
		// Make sure we're allowed to use this theme.
		if ( (
				// If it was removed, it's probably blocked by an ACL, or it was uninstalled
				!isset($this->named_theme_list[$this->theme]) ||
				// Check if the theme is disabled
				( isset($this->named_theme_list[$this->theme]) && isset($this->named_theme_list[$this->theme]['enabled']) && $this->named_theme_list[$this->theme]['enabled'] == 0 ) )
				// Above all, if it's a system theme, don't inhibit the loading process.
				&& !in_array($this->theme, $this->system_themes)
			)
		{
			// No, something is preventing it - fall back to site default
			$this->theme = $this->default_theme;
			
			// Come up with the default style. If the CSS file specified in default_style exists, we're good, just
			// use that. Otherwise, use the first stylesheet that comes to mind.
			$df_data =& $this->named_theme_list[ $this->theme ];
			$this->style = ( in_array($df_data['default_style'], $df_data['css']) ) ? $df_data['default_style'] : $df_data['css'][0];
		}
		// The list of styles for the currently selected theme
		$this->style_list =& $this->named_theme_list[ $this->theme ]['css'];
		$this->theme_loaded = true;
	}
	
	/**
 	* Change the theme we're supposed to display.
 	* @param string Theme name
 	* @param string Style name; optional
 	*/
	
	function set_theme($theme = false, $style = false)
	{
		$this->theme_initted = false;
		$this->load_theme($theme, $style);
	}
	
	/**
 	* Change the page we're supposed to generate for
 	* @param mixed Page ID *or* PageProcessor. If a PageProcessor, pulls permission info and such from that; if not, starts a PageProcessor. YOU SHOULD USE A PageProcessor WHENEVER POSSIBLE! It improves efficiency.
 	* @param string Namespace; not required if including a PageProcessor.
 	*/
	
	function set_page($page_id_or_pp, $namespace = false)
	{
		global $paths;
		
		if ( is_object($page_id_or_pp) && get_class($page_id_or_pp) === 'PageProcessor' )
		{
			$this->page_initted = false;
			$page =& $page_id_or_pp;
			$this->page = $page;
			$this->page_id = $page->page_id;
			$this->namespace = $page->namespace;
		}
		else if ( is_string($page_id_or_pp) )
		{
			if ( !is_string($namespace) )
				return false;
			
			if ( $page_id_or_pp === $this->page_id && $namespace === $this->namespace )
				return true;
			
			$this->page_initted = false;
			$this->page = false;
			$this->page_id = sanitize_page_id($page_id_or_pp);
			$this->namespace = $namespace;
		}
		else
		{
			return false;
		}
		$this->assign_vars(array(
				'PAGE_URLNAME' => $paths->get_pathskey($this->page_id, $this->namespace)
			));
		return true;
	}
	
	/**
 	* Queue a Javascript file to be loaded with the page instead of on demand.
 	* @param mixed Javascript file string or array thereof, extensions are optional
 	* @example
 	<code>
 	$template->preload_js(array('jquery', 'jquery-ui'));
 	$template->preload_js('admin-menu.js');
 	</code>
 	* @return null
 	*/
	
	function preload_js($filemixed)
	{
		if ( is_string($filemixed) )
			$files = array($filemixed);
		else if ( is_array($filemixed) )
			$files = $filemixed;
		else
			// :-/
			return null;
			
		$this->js_preload = array_values(array_merge($this->js_preload, $files));
	}
	
	/**
 	* Queue some HTML to be inserted after the Javascript runtime.
 	* @param string HTML glob
 	*/
	
	function add_header_js($html)
	{
		$this->js_append .= "$html\n    ";
	}
	
	/**
 	* Global, only-called-once init. Goes to all themes.
 	*/
	
	function init_global_vars()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		global $email;
		
		$is_opera = (isset($_SERVER['HTTP_USER_AGENT']) && strstr($_SERVER['HTTP_USER_AGENT'], 'Opera')) ? true : false;
		$is_msie = (isset($_SERVER['HTTP_USER_AGENT']) && strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE')) ? true : false;
		
		$this->assign_bool(array(
				'auth_admin' => $session->user_level >= USER_LEVEL_ADMIN ? true : false,
				'user_logged_in' => $session->user_logged_in,
				'opera' => $is_opera,
				'msie' => $is_msie,
				'registration_disabled' => getConfig('account_activation', 'none') === 'disable'
			));
		
		if ( $session->sid_super )
		{
			$ash = '&amp;auth=' . $session->sid_super;
			$asq = "?auth=" . $session->sid_super;
			$asa = "&auth=" . $session->sid_super;
			$as2 = htmlspecialchars(urlSeparator) . 'auth='.$session->sid_super;
		}
		else
		{
			$asq = '';
			$asa = '';
			$as2 = '';
			$ash = '';
		}
		
		// Append the Enano version to URLs to break the cache on upgrades
		$enano_version = enano_version();
		
		// Set up javascript includes
		// these depend heavily on whether we have a CDN to work with or not
		if ( getConfig('cdn_path') )
		{
			// we're on a CDN, point to static includes
			// CLI javascript compression script: includes/clientside/jscompress.php
			$js_head = '<script type="text/javascript" src="' . cdnPath . '/includes/clientside/static/enano-lib-basic.js?' . $enano_version . '"></script>';
			
			if ( !empty($this->js_preload) )
			{
				$loadlines = array();
				
				// make unique
				foreach ( $this->js_preload as &$script )
				{
					$script = preg_replace('/\.js$/', '', $script) . '.js';
				}
				unset($script);
				$this->js_preload = array_unique($this->js_preload);
				
				foreach ( $this->js_preload as $script )
				{
					$js_head .= "\n    <script type=\"text/javascript\" src=\"" . cdnPath . "/includes/clientside/static/$script?$enano_version\"></script>";
					// special case for l10n: also load strings
					if ( $script == 'l10n.js' )
					{
						global $lang;
						$js_head .= "\n    <script type=\"text/javascript\" src=\"" . makeUrlNS("Special", "LangExportJSON/$lang->lang_id", "$enano_version") . "\"></script>";
					}
					$loadlines[] = "loaded_components['$script'] = true;";
				}
				
				// tell the system that this stuff is already loaded
				$loadlines = implode("\n      ", $loadlines);
				$js_head .= "\n    <script type=\"text/javascript\">
			var loaded_components = loaded_components || {};
			$loadlines
		</script>";
			}
			
			$js_foot = <<<JSEOF
		<script type="text/javascript">
			// This initializes the Javascript runtime when the DOM is ready - not when the page is
			// done loading, because enano-lib-basic still has to load some 15 other script files
			// check for the init function - this is a KHTML fix
			// This doesn't seem to work properly in IE in 1.1.x - there are some problems with
			// tinyMCE and l10n.
			if ( typeof ( enano_init ) == 'function' && !IE )
			{
				enano_init();
				window.onload = function(e) {  };
			}
		</script>
		$this->js_append
JSEOF;
		}
		else
		{
			$cdnpath = cdnPath;
			$js_head = '';
			
			// point to jsres compressor
			$js_head .= <<<JSEOF
			<!-- Only load a basic set of functions for now. Let the rest of the API load when the page is finished. -->
			<script type="text/javascript" src="$cdnpath/includes/clientside/jsres.php?early&amp;$enano_version"></script>
JSEOF;
			$js_foot = '';
			
			if ( !empty($this->js_preload) )
			{
				foreach ( $this->js_preload as &$script )
				{
					$script = preg_replace('/\.js$/', '', $script) . '.js';
				}
				$this->js_preload = array_unique($this->js_preload);
				if ( in_array('l10n.js', $this->js_preload) )
				{
					// special case for l10n: also load strings
					global $lang;
					$js_foot .= "\n    <script type=\"text/javascript\" src=\"" . makeUrlNS("Special", "LangExportJSON/$lang->lang_id", $enano_version, true) . "\"></script>";
				}
				$scripts = implode(',', $this->js_preload);
				$js_foot .= "\n    <script type=\"text/javascript\" src=\"" . cdnPath . "/includes/clientside/jsres.php?f=$scripts&amp;$enano_version\"></script>";
				
			}
			
			$js_foot .= <<<JSEOF
		<!-- jsres.php is a wrapper script that compresses and caches single JS files to minimize requests -->
		<script type="text/javascript" src="$cdnpath/includes/clientside/jsres.php?$enano_version"></script>
		<script type="text/javascript">//<![CDATA[
			// This initializes the Javascript runtime when the DOM is ready - not when the page is
			// done loading, because enano-lib-basic still has to load some 15 other script files
			// check for the init function - this is a KHTML fix
			// This doesn't seem to work properly in IE in 1.1.x - there are some problems with
			// tinyMCE and l10n.
			if ( typeof ( enano_init ) == 'function' && !IE )
			{
				enano_init();
				window.onload = function(e) {  };
			}
		//]]></script>
		$this->js_append
JSEOF;
		}
	
		
		$this->assign_bool(array(
				'fixed_menus' => false,
				'export' => false,
				'right_sidebar' => true,
				'enable_uploads' => ( getConfig('enable_uploads') == '1' && $session->get_permissions('upload_files') ) ? true : false,
				'stupid_mode' => false,
			));
		
		// Add the e-mail address client code to the header
		$this->add_header($email->jscode());
		
		// Assign our main variables
		$this->assign_vars(array(
				'SITE_NAME' => htmlspecialchars(getConfig('site_name')),
				'USERNAME' => $session->username,
				'SITE_DESC' => htmlspecialchars(getConfig('site_desc')),
				'SCRIPTPATH' => scriptPath,
				'CONTENTPATH' => contentPath,
				'CDNPATH' => cdnPath,
				'ADMIN_SID_QUES' => $asq,
				'ADMIN_SID_AMP' => $asa,
				'ADMIN_SID_AMP_HTML' => $ash,
				'ADMIN_SID_AUTO' => $as2,
				'ADMIN_SID_RAW' =>  ( is_string($session->sid_super) ? $session->sid_super : '' ),
				'CSRF_TOKEN' => $session->csrf_token,
				'COPYRIGHT' => RenderMan::parse_internal_links(getConfig('copyright_notice')),
				'REQUEST_URI' => ( defined('ENANO_CLI') ? '' : $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'] ),
				'SEARCH_ACTION' => makeUrlNS('Special', 'Search'),
				'INPUT_TITLE' => ( urlSeparator == '&' ? '<input type="hidden" name="title" value="' . htmlspecialchars( $paths->get_pathskey($this->page_id, $this->namespace) ) . '" />' : ''),
				'INPUT_AUTH' => ( $session->sid_super ? '<input type="hidden" name="auth"  value="' . $session->sid_super . '" />' : ''),
				'MAIN_PAGE' => get_main_page(),
				'UNREAD_PMS' => $session->unread_pms,
				'JS_HEADER' => $js_head,
				'JS_FOOTER' => $js_foot,
				'URL_ABOUT_ENANO' => makeUrlNS('Special', 'About_Enano', '', true),
				'ENANO_VERSION' => enano_version()
			), true);
		
		$tpl_strings = array();
		foreach ( $paths->nslist as $ns_id => $ns_prefix )
		{
			$tpl_strings[ 'NS_' . strtoupper($ns_id) ] = $ns_prefix;
		}
		
		$this->assign_vars($tpl_strings, true);
	}
	
	/**
 	* Init theme vars, like sidebar, global JS, that kind of stuff.
 	*/
	
	function init_theme_vars()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		// allows conditional testing of the theme ID (a bit crude, came from my NSIS days)
		$this->assign_bool(array(
				"theme_is_{$this->theme}" => true
			));
		
		$this->elements = $this->extract_vars('elements.tpl');
		
		// Generate the code for the Administration and Edit Sidebar buttons
		// Once again, the new template parsing system can be used here
		
		$parser = $this->makeParserText($this->elements['sidebar_button']);
		
		$parser->assign_vars(Array(
				'HREF'=>makeUrlNS('Special', 'Administration'),
				'FLAGS'=>'onclick="if ( !KILL_SWITCH ) { void(ajaxStartAdminLogin()); return false; }"',
				'TEXT'=>$lang->get('sidebar_btn_administration'),
			));
		
		$admin_link = $parser->run();
		
		// We're leaving this in for now, just blanked out, to avoid compatibility issues.
		$sidebar_link = '';
		
		$this->assign_vars(array(
				'ADMIN_LINK' => $admin_link,
				'SIDEBAR_LINK' => $sidebar_link,
				'THEME_ID' => $this->theme,
				'STYLE_ID' => $this->style
			));
		
		// Add the site description sidebar block
		$this->sidebar_widget($lang->get('sidebar_title_about'), '<p>' . htmlspecialchars(getConfig('site_desc')) . '</p>');
		
		$this->theme_initted = true;
	}
	
	/**
 	* Init page vars, like the toolbar, local JS, etc.
 	*/
	
	function init_page_vars()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		if ( !$this->page )
		{
			$this->page = new PageProcessor($this->page_id, $this->namespace);
		}
		
		$conds = $this->page->ns->get_conds();
		
		$this->assign_bool(array(
				'in_admin' => ( ( $this->page_id == 'Administration' && $this->namespace == 'Special' ) || $this->namespace == 'Admin' ),
				'auth_rename' => ( $conds['rename'] )
			));
		
		// Get the "article" button text (depends on namespace)
		switch ( $this->namespace )
		{
			case "Article":
			default:
				$ns = $lang->get('onpage_lbl_page_article');
				break;
			case "Admin":
				$ns = $lang->get('onpage_lbl_page_admin');
				break;
			case "System":
				$ns = $lang->get('onpage_lbl_page_system');
				break;
			case "File":
				$ns = $lang->get('onpage_lbl_page_file');
				break;
			case "Help":
				$ns = $lang->get('onpage_lbl_page_help');
				break;
			case "User":
				$ns = $lang->get('onpage_lbl_page_user');
				break;
			case "Special":
				$ns = $lang->get('onpage_lbl_page_special');
				break;
			case "Template":
				$ns = $lang->get('onpage_lbl_page_template');
				break;
			case "Project":
				$ns = $lang->get('onpage_lbl_page_project');
				break;
			case "Category":
				$ns = $lang->get('onpage_lbl_page_category');
				break;
			case "API":
				$ns = $lang->get('onpage_lbl_page_external');
				break;
		}
		$this->namespace_string = $ns;
		unset($ns);
		// compatibility
		$local_namespace =& $this->namespace;
		$local_page_id =& $this->page_id;
		$code = $plugins->setHook('page_type_string_set');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
		$ns =& $this->namespace_string;
		
		//
		// PAGE TOOLBAR (on-page controls/actions)
		//
		
		$local_page = $paths->get_pathskey($this->page_id, $this->namespace);
		$local_cdata = $this->page->ns->get_cdata();
		
		// Initialize the toolbar
		$tb = '';
		$this->toolbar_menu = '';
		
		// Create "xx page" button
		
		$btn_selected = ( isset($this->elements['toolbar_button_selected'])) ? $this->elements['toolbar_button_selected'] : $this->elements['toolbar_button'];
		$parser = $this->makeParserText($btn_selected);
		
		if ( $conds['article'] )
		{
			$parser->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxReset()); return false; }" title="' . $lang->get('onpage_tip_article') . '" accesskey="a"',
					'PARENTFLAGS' => 'id="mdgToolbar_article"',
					'HREF' => makeUrl($local_page, null, true),
					'TEXT' => $this->namespace_string
				));
			
			$tb .= $parser->run();
		}
		
		$button = $this->makeParserText($this->elements['toolbar_button']);
		
		// Page toolbar
		// Comments button
		if ( $conds['comments'] )
		{
			$cdata = $this->page->ns->get_cdata();
			if ( isset($cdata['comments_approved']) )
			{
				$approval_counts = array(
						COMMENT_APPROVED => $cdata['comments_approved'],
						COMMENT_UNAPPROVED => $cdata['comments_unapproved'],
						COMMENT_SPAM => $cdata['comments_spam']
					);
				$num_comments = $session->check_acl_scope('mod_comments', $this->namespace) && $this->page->perms->get_permissions('mod_comments')
													? array_sum($approval_counts)
													: $approval_counts[COMMENT_APPROVED];
			}
			else
			{
				$e = $db->sql_query('SELECT approved FROM '.table_prefix.'comments WHERE page_id=\''.$this->page_id.'\' AND namespace=\''.$this->namespace.'\';');
				if ( !$e )
				{
					$db->_die();
				}
				$num_comments = $db->numrows();
				$approval_counts = array(COMMENT_UNAPPROVED => 0, COMMENT_APPROVED => 0, COMMENT_SPAM => 0);
				
				while ( $r = $db->fetchrow() )
				{  
					$approval_counts[$r['approved']]++;
				}
			}
			
			$db->free_result();
			// $n = ( $session->check_acl_scope('mod_comments', $this->namespace) && $perms->get_permissions('mod_comments') ) ? (string)$num_comments : (string)$na;
			if ( $session->check_acl_scope('mod_comments', $this->namespace) && $this->page->perms->get_permissions('mod_comments') && ( $approval_counts[COMMENT_UNAPPROVED] + $approval_counts[COMMENT_SPAM] ) > 0 )
			{
				$subst = array(
						'num_comments' => $num_comments,
						'num_app' => $approval_counts[COMMENT_APPROVED],
						'num_unapp' => $approval_counts[COMMENT_UNAPPROVED],
						'num_spam' => $approval_counts[COMMENT_SPAM]
					);
				$btn_text = $lang->get('onpage_btn_discussion_unapp', $subst);
			}
			else
			{
				$subst = array(
					'num_comments' => $num_comments
				);
				$btn_text = $lang->get('onpage_btn_discussion', $subst);
			}
			
			$button->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxComments()); return false; }" title="' . $lang->get('onpage_tip_comments') . '" accesskey="c"',
					'PARENTFLAGS' => 'id="mdgToolbar_discussion"',
					'HREF' => makeUrl($local_page, 'do=comments', true),
					'TEXT' => $btn_text,
				));
			
			$tb .= $button->run();
		}
		// Edit button
		if( $conds['edit'] )
		{
			$button->assign_vars(array(
				'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxEditor()); return false; }" title="' . $lang->get('onpage_tip_edit') . '" accesskey="e"',
				'PARENTFLAGS' => 'id="mdgToolbar_edit"',
				'HREF' => makeUrl($local_page, 'do=edit', true),
				'TEXT' => $lang->get('onpage_btn_edit')
				));
			$tb .= $button->run();
		// View source button
		}
		else if ( $conds['viewsource'] ) 
		{
			$button->assign_vars(array(
				'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxEditor()); return false; }" title="' . $lang->get('onpage_tip_viewsource') . '" accesskey="e"',
				'PARENTFLAGS' => 'id="mdgToolbar_edit"',
				'HREF' => makeUrl($local_page, 'do=viewsource', true),
				'TEXT' => $lang->get('onpage_btn_viewsource')
				));
			$tb .= $button->run();
		}
		// History button
		if ( $conds['history'] )
		{
			$button->assign_vars(array(
				'FLAGS'       => 'onclick="if ( !KILL_SWITCH ) { void(ajaxHistory()); return false; }" title="' . $lang->get('onpage_tip_history') . '" accesskey="h"',
				'PARENTFLAGS' => 'id="mdgToolbar_history"',
				'HREF'        => makeUrl($local_page, 'do=history', true),
				'TEXT'        => $lang->get('onpage_btn_history')
				));
			$tb .= $button->run();
		}
		
		$menubtn = $this->makeParserText($this->elements['toolbar_menu_button']);
		
		// Additional actions menu
		// Rename button
		if ( $conds['rename'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxRename()); return false; }" title="' . $lang->get('onpage_tip_rename') . '" accesskey="r"',
					'HREF'  => makeUrl($local_page, 'do=rename', true),
					'TEXT'  => $lang->get('onpage_btn_rename'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Vote-to-delete button
		if ( $conds['delvote'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxDelVote()); return false; }" title="' . $lang->get('onpage_tip_delvote') . '" accesskey="d"',
					'HREF'  => makeUrl($local_page, 'do=delvote', true),
					'TEXT'  => $lang->get('onpage_btn_votedelete'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Clear-votes button
		if ( $conds['resetvotes'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxResetDelVotes()); return false; }" title="' . $lang->get('onpage_tip_resetvotes') . '" accesskey="y"',
					'HREF'  => makeUrl($local_page, 'do=resetvotes', true),
					'TEXT'  => $lang->get('onpage_btn_votedelete_reset'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Printable page button
		if ( $conds['printable'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'title="' . $lang->get('onpage_tip_printable') . '"',
					'HREF'  => makeUrl($local_page, 'printable=yes', true),
					'TEXT'  => $lang->get('onpage_btn_printable'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Protect button
		if ( $conds['protect'] )
		{
			switch($this->page->ns->cdata['protected'])
			{
				case PROTECT_FULL: $protect_status = $lang->get('onpage_btn_protect_on'); break;
				case PROTECT_SEMI: $protect_status = $lang->get('onpage_btn_protect_semi'); break;
				case PROTECT_NONE: $protect_status = $lang->get('onpage_btn_protect_off'); break;
			}
			
			$label = $this->makeParserText($this->elements['toolbar_label']);
			$label->assign_vars(array('TEXT' => $lang->get('onpage_lbl_protect') . ' ' . "<b><span id=\"tb_ajax_protect_status\">$protect_status</span></b>"));
			$t0 = $label->run();
			
			$menubtn->assign_vars(array(
					'FLAGS' => 'accesskey="p" onclick="ajaxProtect(' . $this->page->ns->cdata['protected'] . '); return false;" id="tb_ajax_protect_btn" title="' . $lang->get('onpage_tip_protect') . '"',
					'HREF' => makeUrl($local_page, 'do=protect', true),
					'TEXT' => $lang->get('onpage_btn_protect_change')
				));
			$t1 = $menubtn->run();
			
			$this->toolbar_menu .= '        <table border="0" cellspacing="0" cellpadding="0">
					<tr>
						<td>'.$t0.'</td>
						<td>'.$t1.'</td>
					</tr>
				</table>';
		}
		
		// Wiki mode button
		if ( $conds['setwikimode'] )
		{
			// label at start
			$label = $this->makeParserText($this->elements['toolbar_label']);
			$label->assign_vars(array('TEXT' => $lang->get('onpage_lbl_wikimode')));
			$t0 = $label->run();
			
			// on button
			$ctmp = '';
			if ( $local_cdata['wiki_mode'] == 1 )
			{
				$ctmp = ' style="text-decoration: underline;"';
			}
			$menubtn->assign_vars(array(
					'FLAGS' => $ctmp,
					'HREF' => makeUrl($local_page, 'do=setwikimode&level=1', true),
					'TEXT' => $lang->get('onpage_btn_wikimode_on')
				));
			$t1 = $menubtn->run();
			
			// off button
			$ctmp = '';
			if ( $local_cdata['wiki_mode'] == 0 )
			{
				$ctmp=' style="text-decoration: underline;"';
			}
			$menubtn->assign_vars(array(
					'FLAGS' => $ctmp,
					'HREF' => makeUrl($local_page, 'do=setwikimode&level=0', true),
					'TEXT' => $lang->get('onpage_btn_wikimode_off')
				));
			$t2 = $menubtn->run();
			
			// global button
			$ctmp = ''; 
			if ( $local_cdata['wiki_mode'] == 2 )
			{
				$ctmp=' style="text-decoration: underline;"';
			}
			$menubtn->assign_vars(array(
					'FLAGS' => $ctmp,
					'HREF' => makeUrl($local_page, 'do=setwikimode&level=2', true),
					'TEXT' => $lang->get('onpage_btn_wikimode_global')
				));
			$t3 = $menubtn->run();
			
			// Tack it onto the list of buttons that are already there...
			$this->toolbar_menu .= '        <table border="0" cellspacing="0" cellpadding="0">
					<tr>
						<td>'.$t0.'</td>
						<td>'.$t1.'</td>
						<td>'.$t2.'</td>
						<td>'.$t3.'</td>
					</tr>
				</table>';
		}
		
		// Clear logs button
		if ( $conds['clearlogs'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxClearLogs()); return false; }" title="' . $lang->get('onpage_tip_flushlogs') . '" accesskey="l"',
					'HREF'  => makeUrl($local_page, 'do=flushlogs', true),
					'TEXT'  => $lang->get('onpage_btn_clearlogs'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Delete page button
		if ( $conds['delete'] )
		{
			$s = $lang->get('onpage_btn_deletepage');
			if ( $this->page->ns->cdata['delvotes'] == 1 )
			{
				$subst = array(
					'num_votes' => $this->page->ns->cdata['delvotes'],
					'plural' => ''
					);
				$s .= $lang->get('onpage_btn_deletepage_votes', $subst);
			}
			else if ( $this->page->ns->cdata['delvotes'] > 1 )
			{
				$subst = array(
					'num_votes' => $this->page->ns->cdata['delvotes'],
					'plural' => $lang->get('meta_plural')
					);
				$s .= $lang->get('onpage_btn_deletepage_votes', $subst);
			}
			
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxDeletePage()); return false; }" title="' . $lang->get('onpage_tip_deletepage') . '" accesskey="k"',
					'HREF'  => makeUrl($local_page, 'do=deletepage', true),
					'TEXT'  => $s,
				));
			$this->toolbar_menu .= $menubtn->run();
			
		}
		
		// Password-protect button
		if ( $conds['password'] )
		{
			// label at start
			$label = $this->makeParserText($this->elements['toolbar_label']);
			$label->assign_vars(array('TEXT' => $lang->get('onpage_lbl_password')));
			$t0 = $label->run();
			
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxSetPassword()); return false; }" title="' . $lang->get('onpage_tip_password') . '"',
					'HREF'  => '#',
					'TEXT'  => $lang->get('onpage_btn_password_set'),
				));
			$t = $menubtn->run();
			
			$this->toolbar_menu .= '<table border="0" cellspacing="0" cellpadding="0"><tr><td>'.$t0.'</td><td><input type="password" id="mdgPassSetField" size="10" /></td><td>'.$t.'</td></tr></table>';
		}
		
		// Manage ACLs button
		if ( $conds['acledit'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { var s = ajaxOpenACLManager(); console.debug(s); return false; }" title="' . $lang->get('onpage_tip_aclmanager') . '" accesskey="m"',
					'HREF'  => makeUrl($local_page, 'do=aclmanager', true),
					'TEXT'  => $lang->get('onpage_btn_acl'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Administer page button
		if ( $conds['adminpage'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxAdminPage()); return false; }" title="' . $lang->get('onpage_tip_adminoptions') . '" accesskey="g"',
					'HREF'  => makeUrlNS('Special', 'Administration', 'module='.$paths->nslist['Admin'].'PageManager', true),
					'TEXT'  => $lang->get('onpage_btn_admin'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		if ( strlen($this->toolbar_menu) > 0 )
		{
			$button->assign_vars(array(
				'FLAGS'       => 'id="mdgToolbar_moreoptions" onclick="if ( !KILL_SWITCH ) { return false; }" title="' . $lang->get('onpage_tip_moreoptions') . '"',
				'PARENTFLAGS' => '',
				'HREF'        => makeUrl($local_page, 'do=moreoptions', true),
				'TEXT'        => $lang->get('onpage_btn_moreoptions')
				));
			$tb .= $button->run();
		}
		
		// Generate the code for the Log in, Log out, Change theme, Administration, and Edit Sidebar buttons
		// Once again, the new template parsing system can be used here
		
		$parser = $this->makeParserText($this->elements['sidebar_button']);
		
		$parser->assign_vars(Array(
				'HREF'=>makeUrlNS('Special', "Logout/{$session->csrf_token}/{$local_page}"),
				'FLAGS'=>'onclick="if ( !KILL_SWITCH ) { mb_logout(); return false; }"',
				'TEXT'=>$lang->get('sidebar_btn_logout'),
			));
		
		$logout_link = $parser->run();
		
		$parser->assign_vars(Array(
				'HREF'=>makeUrlNS('Special', 'Login/' . $local_page),
				'FLAGS'=>'onclick="if ( !KILL_SWITCH ) { ajaxStartLogin(); return false; }"' . ( $local_page_id == 'Login' && $local_namespace == 'Special' ? ' class="currentpage"' : '' ),
				'TEXT'=>$lang->get('sidebar_btn_login'),
			));
		
		$login_link = $parser->run();
		
		$parser->assign_vars(Array(
				'HREF'=>makeUrlNS('Special', 'ChangeStyle/'.$local_page),
				'FLAGS'=>'onclick="if ( !KILL_SWITCH ) { ajaxChangeStyle(); return false; }"' . ( $local_page_id == 'ChangeStyle' && $local_namespace == 'Special' ? ' class="currentpage"' : '' ),
				'TEXT'=>$lang->get('sidebar_btn_changestyle'),
			));
		
		$theme_link = $parser->run();
		
		// Run hooks
		$code = $plugins->setHook('tpl_compile_toolbar');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
		
		//
		// ASSIGN VARIABLES
		//
		
		$this->assign_vars(array(
				'PAGE_NAME' => htmlspecialchars($this->page->ns->cdata['name']),
				'PAGE_URLNAME' => $paths->nslist[$this->namespace] . sanitize_page_id($this->page_id),
				'TOOLBAR' => $tb,
				'TOOLBAR_EXTRAS' => $this->toolbar_menu,
				'STYLE_LINK' => makeUrlNS('Special', 'CSS', null, true), //contentPath.$paths->nslist['Special'].'CSS' . $p,
				'LOGIN_LINK' => $login_link,
				'LOGOUT_LINK' => $logout_link,
				'THEME_LINK' => $theme_link
			), true);
		$this->page_initted = true;
	}
	
	/**
 	* Generates and assigns the Javascript system variables
 	*/
	
	function generate_js_header()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		$SID = ($session->sid_super) ? $session->sid_super : '';
		
		$local_page = $paths->get_pathskey($this->page_id, $this->namespace);
		$local_fullpage = $paths->get_pathskey($this->page_id, $this->namespace) . substr($paths->fullpage, strlen($paths->page));
		
		$urlname_clean = str_replace('\'', '\\\'', str_replace('\\', '\\\\', dirtify_page_id($local_fullpage)));
		$urlname_clean = strtr( $urlname_clean, array( '<' => '&lt;', '>' => '&gt;' ) );
		
		$urlname_jssafe = sanitize_page_id($local_fullpage);
		$physical_urlname_jssafe = sanitize_page_id($paths->fullpage);
		
		$protected = is_object($this->page) ? $this->page->ns->cdata['really_protected'] : false;
		
		// Generate the dynamic javascript vars
		// Sorry. I know. This block is a mess.
		$js_dynamic = '    <script type="text/javascript">// <![CDATA[
			// This section defines some basic and very important variables that are used later in the static Javascript library.
			// SKIN DEVELOPERS: The template variable for this code block is {JS_DYNAMIC_VARS}. This MUST be inserted BEFORE the tag that links to the main Javascript lib.
			var title = \''. $urlname_jssafe .'\';
			var physical_title = \'' . $physical_urlname_jssafe . '\';
			var on_main_page = ' . ( $local_page == get_main_page() ? 'true' : 'false' ) . ';
			var main_page_members = \'' . addslashes(get_main_page(true)) . '\';
			var page_exists = '. ( ( is_object($this->page) ? $this->page->ns->exists() : true ) ? 'true' : 'false' ) .';
			var scriptPath = \'' . addslashes(scriptPath) . '\';
			var contentPath = \'' . addslashes(contentPath) . '\';
			var cdnPath = \'' . addslashes(cdnPath) . '\';
			var ENANO_SID = \'' . $SID . '\';
			var user_level = ' . $session->user_level . ';
			var auth_level = ' . $session->auth_level . ';
			var USER_LEVEL_GUEST = ' . USER_LEVEL_GUEST . ';
			var USER_LEVEL_MEMBER = ' . USER_LEVEL_MEMBER . ';
			var USER_LEVEL_CHPREF = ' . USER_LEVEL_CHPREF . ';
			var USER_LEVEL_MOD = ' . USER_LEVEL_MOD . ';
			var USER_LEVEL_ADMIN = ' . USER_LEVEL_ADMIN . ';
			var disable_redirect = ' . ( isset($_GET['redirect']) && $_GET['redirect'] == 'no' ? 'true' : 'false' ) . ';
			var pref_disable_js_fx = ' . ( @$session->user_extra['disable_js_fx'] == 1 ? 'true' : 'false' ) . ';
			var csrf_token = "' . $session->csrf_token . '";
			var prot = ' . ( ($protected) ? 'true' : 'false' ) .';
			var ENANO_SPECIAL_CREATEPAGE = \''. makeUrl($paths->nslist['Special'].'CreatePage') .'\';
			var ENANO_CREATEPAGE_PARAMS = \'_do=&pagename='. $this->page_id .'&namespace=' . $this->namespace . '\';
			var ENANO_SPECIAL_CHANGESTYLE = \''. makeUrlNS('Special', 'ChangeStyle') .'\';
			var namespace_list = [];
			var msg_loading_component = \'' . addslashes($lang->get('ajax_msg_loading_component')) . '\';
			var AES_BITS = '.AES_BITS.';
			var AES_BLOCKSIZE = '.AES_BLOCKSIZE.';
			var pagepass = \''. ( ( isset($_REQUEST['pagepass']) ) ? sha1($_REQUEST['pagepass']) : '' ) .'\';
			var ENANO_LANG_ID = ' . $lang->lang_id . ';
			var ENANO_PAGE_TYPE = "' . addslashes($this->namespace_string) . '";
			var enano_version = "' . enano_version() . '";';
		
		foreach ( $paths->nslist as $k => $c )
		{
			$js_dynamic .= "namespace_list['{$k}'] = '" . addslashes($c) . "';";
		}
		$js_dynamic .= "\n    //]]>\n    </script>";
		
		$this->assign_vars(array(
				'JS_DYNAMIC_VARS' => $js_dynamic,
				'REPORT_URI' => makeUrl($local_fullpage, 'do=sql_report', true)
			), true);
	}
	
	/**
 	* Fetches, parses, and assigns the sidebar.
 	*/
	
	function assign_sidebar()
	{
		//
		// COMPILE THE SIDEBAR
		//
		
		// This is done after the big assign_vars() so that sidebar code has access to the newly assigned variables
		
		list($this->tpl_strings['SIDEBAR_LEFT'], $this->tpl_strings['SIDEBAR_RIGHT'], $min) = $this->fetch_sidebar();
		$this->tpl_bool['sidebar_left']  = ( $this->tpl_strings['SIDEBAR_LEFT']  != $min) ? true : false;
		$this->tpl_bool['sidebar_right'] = ( $this->tpl_strings['SIDEBAR_RIGHT'] != $min) ? true : false;
		$this->tpl_bool['right_sidebar'] = $this->tpl_bool['sidebar_right']; // backward compatibility
	}
	
	/**
 	* Initializes all variables related to on-page content. This includes sidebars and what have you.
 	* @param object Optional PageProcessor object to use for passing metadata and permissions on. If omitted, uses information from $paths and $session.
 	* @param bool If true, re-inits even if already initted with this page_id and namespace
 	*/
	
	function init_vars($page = false, $force_init = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		$need_shared_init = ( !$this->theme_initted || !$this->page_initted );
		
		if ( $need_shared_init )
		{
			if ( !$this->theme || !$this->style )
			{
				$this->load_theme();
			}
			$code = $plugins->setHook('compile_template', true);
			foreach ( $code as $cmd )
			{
				eval($cmd);
			}
		}
		
		if ( !$this->theme_loaded )
			$this->load_theme();
		
		require(ENANO_ROOT . "/themes/{$this->theme}/theme.cfg");
		
		if ( !$this->page_id || !$this->namespace )
		{
			$this->page_id = $paths->page_id;
			$this->namespace = $paths->namespace;
		}
		
		profiler_log('template: prepped for var set (loaded theme, ran compile_template hook)');
		
		$this->init_global_vars();
		profiler_log('template: global vars set');
		
		if ( !$this->theme_initted )
			$this->init_theme_vars();
		
		profiler_log('template: theme vars set');
		
		if ( !$this->page_initted && !empty($this->namespace) )
		{
			profiler_log('template: page vars set');
			$this->init_page_vars();
		}
		else
		{
			profiler_message('template: skipped setting page vars');
		}
		
		// Perform shared init (combine javascript, etc.)
		if ( $need_shared_init )
		{
			$this->generate_js_header();
			$this->assign_sidebar();
			profiler_log('template: assigned sidebar and JS');
		}
		
		// and finally one string value that needs to be symlinked...
		if ( !isset($this->tpl_strings['ADDITIONAL_HEADERS']) )
		{
			$this->tpl_strings['ADDITIONAL_HEADERS'] =& $this->additional_headers;
		}
		
		// done!
		$code = $plugins->setHook('template_var_init_end');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
	}
	
	function header($simple = false) 
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		define('ENANO_HEADERS_SENT', true);
		
		echo $this->getHeader($simple);
	}
	
	function footer($simple = false)
	{
		echo $this->getFooter($simple);
	}
	
	function getHeader($simple = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		if ( !$this->theme_loaded )
		{
			$this->load_theme($session->theme, $session->style);
		}
		
		if ( !$this->page_initted || !$this->theme_initted )
			$this->init_vars();
		
		// I feel awful doing this.
		if ( preg_match('/^W3C_Validator/', @$_SERVER['HTTP_USER_AGENT']) )
		{
			header('Content-type: application/xhtml+xml');
		}
		
		$header = '';
		
		if ( !$this->no_headers )
		{
			$header = ( $simple ) ?
				$this->process_template('simple-header.tpl') :
				$this->process_template('header.tpl');
		}
		if ( !$simple && $session->user_logged_in && $session->unread_pms > 0 )
		{
			$header .= $this->notify_unread_pms();
		}
		if ( !$simple && $session->sw_timed_out )
		{
			$login_link = makeUrlNS('Special', 'Login/' . $paths->fullpage, 'level=' . $session->user_level, true);
			$header .= '<div class="usermessage">';
			$header .= $lang->get('user_msg_elev_timed_out', array( 'login_link' => $login_link ));
			$header .= '</div>';
		}
		if ( $this->site_disabled && $session->user_level >= USER_LEVEL_ADMIN && ( $paths->page != $paths->nslist['Special'] . 'Administration' ) )
		{
			$admin_link = makeUrlNS('Special', 'Administration', 'module=' . $paths->nslist['Admin'] . 'GeneralConfig', true);
			$header .= '<div class="usermessage"><b>' . $lang->get('page_sitedisabled_admin_msg_title') . '</b><br />
						' . $lang->get('page_sitedisabled_admin_msg_body', array('admin_link' => $admin_link)) . '
						</div>';
		}
		
		return $header;
	}
	
	function getFooter($simple = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		if ( !$this->no_headers )
		{
			
			global $_starttime;
			if(isset($_GET['sqldbg']) && $session->get_permissions('mod_misc'))
			{
				echo '<h3>' . $lang->get('page_heading_sql_list') . '</h3><pre style="margin-left: 1em">';
				echo htmlspecialchars($db->sql_backtrace());
				echo '</pre>';
			}
			
			$t = ( $simple ) ? $this->process_template('simple-footer.tpl') : $this->process_template('footer.tpl');
			
			$f = microtime_float();
			$f = $f - $_starttime;
			$f = sprintf("%.02f", $f);
			
			$t_loc = $lang->get('page_msg_stats_gentime_short', array('time' => $f));
			$t_loc_long = $lang->get('page_msg_stats_gentime_long', array('time' => $f));
			…