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<?php
/**
* Class and Function List:
* Function list:
* - __construct()
* - view()
* - _ci_load()
* Classes list:
* - MY_Loader extends CI_Loader
*/
if (!defined('BASEPATH')) exit('No direct script access allowed');
class MY_Loader extends CI_Loader
{
function __construct()
{
parent::__construct();
log_message('debug', 'MY_Loader Class Initialized');
}
function view($view, $vars = array() , $return = FALSE)
{
//theme name
$theme = config_item('theme');
//view path
$view_path = 'themes/' . $theme . '/views/' . $view . '.php';
//fallback to default view if view in theme not found
if (!file_exists($view_path))
{
$view_path = 'themes/default/views/' . $view . '.php';
}
//return
return $this->_ci_load(array(
'_ci_view' => $view_path,
'_ci_vars' => $this->_ci_prepare_view_vars($vars) ,
'_ci_return' => $return
));
}
// --------------------------------------------------------------------
/**
* Internal CI Data Loader
*
* Used to load views and files.
*
* Variables are prefixed with _ci_ to avoid symbol collision with
* variables made available to view files.
*
* @used-by CI_Loader::view()
* @used-by CI_Loader::file()
* @param array $_ci_data Data to load
* @return object
*/
protected
function _ci_load($_ci_data)
{
// Set the default data variables
foreach (array(
'_ci_view',
'_ci_vars',
'_ci_path',
'_ci_return'
) as $_ci_val)
{
$$_ci_val = isset($_ci_data[$_ci_val]) ? $_ci_data[$_ci_val] : FALSE;
}
$file_exists = FALSE;
// Set the path to the requested file
if (is_string($_ci_path) && $_ci_path !== '')
{
$_ci_x = explode('/', $_ci_path);
$_ci_file = end($_ci_x);
}
else
{
$_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);
$_ci_file = ($_ci_ext === '') ? $_ci_view . '.php' : $_ci_view;
foreach ($this->_ci_view_paths as $_ci_view_file => $cascade)
{
/* *** modification for stikked themes ***
*
* we are by default in the htdocs/application/views folder, which is bad.
* for security reasons, themes folder should be outside the application dir.
* but file_exists() doesn't work with ../../ in filenames :-(
* so, applying the full FrontControllerPATH here, making ../../ superfluous.
*
*/
if (file_exists(FCPATH . $_ci_file))
{
$_ci_path = FCPATH . $_ci_file;
$file_exists = TRUE;
break;
}
if (!$cascade)
{
break;
}
}
}
if (!$file_exists && !file_exists($_ci_path))
{
show_error('Unable to load the requested file: ' . $_ci_file);
}
// This allows anything loaded using $this->load (views, files, etc.)
// to become accessible from within the Controller and Model functions.
$_ci_CI = & get_instance();
foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)
{
if (!isset($this->$_ci_key))
{
$this->$_ci_key = & $_ci_CI->$_ci_key;
}
}
/*
* Extract and cache variables
*
* You can either set variables using the dedicated $this->load->vars()
* function or via the second parameter of this function. We'll merge
* the two types and cache them so that views that are embedded within
* other views can have access to these variables.
*/
if (is_array($_ci_vars))
{
$this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars);
}
extract($this->_ci_cached_vars);
/*
* Buffer the output
*
* We buffer the output for two reasons:
* 1. Speed. You get a significant speed boost.
* 2. So that the final rendered template can be post-processed by
* the output class. Why do we need post processing? For one thing,
* in order to show the elapsed page load time. Unless we can
* intercept the content right before it's sent to the browser and
* then stop the timer it won't be accurate.
*/
ob_start();
// If the PHP installation does not support short tags we'll
// do a little string replacement, changing the short tags
// to standard PHP echo statements.
if (!is_php('5.4') && !ini_get('short_open_tag') && config_item('rewrite_short_tags') === TRUE)
{
echo eval('?>' . preg_replace('/;*\s*\?>/', '; ?>', str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
}
else
{
include ($_ci_path); // include() vs include_once() allows for multiple views with the same name
}
log_message('info', 'File loaded: ' . $_ci_path);
// Return the file data if requested
if ($_ci_return === TRUE)
{
$buffer = ob_get_contents();
@ob_end_clean();
return $buffer;
}
/*
* Flush the buffer... or buff the flusher?
*
* In order to permit views to be nested within
* other views, we need to flush the content back out whenever
* we are beyond the first level of output buffering so that
* it can be seen and included properly by the first included
* template and any subsequent ones. Oy!
*/
if (ob_get_level() > $this->_ci_ob_level + 1)
{
ob_end_flush();
}
else
{
$_ci_CI->output->append_output(ob_get_contents());
@ob_end_clean();
}
return $this;
}
}
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