<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); /**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, EllisLab, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Layout Class
*
* Permits admin pages to be constructed easier.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author Philip Sturgeon
* @link
*/
class Layout {
var $page_body = '';
var $_directory = '';
var $_module = '';
var $_controller = '';
var $_method = '';
var $_page_title = '';
var $_extra_head_content = '';
var $_breadcrumbs = array(); var $_navigation = array();
// Default wrapper files
var $layout_file = 'layout.php';
var $folder_mode = 'matchbox'; // 'subdir', 'matchbox'
var $wrap_mode = true;
var $html_mode = false;
// Seconds that cache will be alive for
var $cache_lifetime = 0;//7200;
var $CI;
var $data;
/**
* Constructor - Calls the CI instance and sets a debug message
*
* The constructor can be passed an array of config values
*/
function __construct()
{
$this->CI =& get_instance();
log_message('debug', "Template Class Initialized");
if($this->folder_mode == 'subdir'):
if($this->_module == '' && $this->CI->uri->router->fetch_directory() != '/'):
$this->_module
= str_replace('/', '', $this->CI->uri->router->fetch_directory()); endif;
elseif($this->folder_mode == 'matchbox'):
if($this->_module == '' && $this->CI->matchbox->fetch_module() != ''):
$this->_module
= str_replace(array('modules/', '/'), '', $this->CI->matchbox->fetch_module()); endif;
endif;
$s = $this->CI->uri->rsegment_array();
$this->_method = $this->CI->uri->rsegment($n+1);
}
// --------------------------------------------------------------------
/**
* Set the mode of the creation
*
* @access public
* @param string
* @return void
*/
function create($page_body = '', $data = NULL, $return = false, $module = '')
{
if($page_body != '') $this->page_body = $page_body;
if($module != '') $this->_module = $module;
// Merge all the data together
$this->CI->load->helper('array');
array_object_merge($this->data, $data);
if(empty($this->_page_title
)) $this->_guess_title
();
// Set the basic defaults
$this->data->page_title = $this->_page_title;
//$this->data->navigation = $this->_create_navigation();
$this->data->breadcrumbs = $this->_create_breadcrumbs();
$this->data->extra_head_content = $this->_extra_head_content;
// Disable sodding IE7's constant cacheing!!
$this->CI->output->set_header("HTTP/1.0 200 OK");
$this->CI->output->set_header("HTTP/1.1 200 OK");
$this->CI->output->set_header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
$this->CI->output->set_header("Cache-Control: no-store, no-cache, must-revalidate");
$this->CI->output->set_header("Cache-Control: post-check=0, pre-check=0, max-age=0");
$this->CI->output->set_header('Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); $this->CI->output->set_header("Pragma: no-cache");
// Let CI do the caching instead of bloody IE7
$this->CI->output->cache($this->cache_lifetime);
// Time to make the body, load view or parse HTML?
if($this->html_mode):
$output = $this->page_body;
else:
// If directory or module is set, use it
$view_file = (!empty($this->_directory
)) ?
$this->_directory
.'/'.$this->page_body : $this->page_body; $output = $this->CI->load->view($view_file, $this->data, true, $this->_module);
endif;
// Want this file wrapped with the layout file?
if($this->wrap_mode):
// Send what we have so far to the layout view
$this->data->page_output = $output;
// If directory is set, use it
$layout_file = (!empty($this->_directory
)) ?
$this->_directory
.'/'.$this->layout_file : $this->layout_file; $output = $this->CI->load->view($layout_file, $this->data, true);
else:
$this->data->page_output = $output;
endif;
// Want it returned or output to browser?
if($return):
return $output;
else:
// Send it to output
$this->CI->output->set_output($output);
endif;
}
/**
* Set the title of the page
*
* @access public
* @param string
* @return void
*/
function title($title = '')
{
if($title != '') $this->_page_title = $title;
}
/**
* Put extra javascipt, css, meta tags, etc
*
* @access public
* @param string
* @return void
*/
function extra_head($str = '')
{
$this->_extra_head_content .= $str."\n";
}
function module($module = '')
{
$this->_module = $module;
}
/**
* Should we include headers and footers?
*
* @access public
* @param string
* @return void
*/
function html_mode($html = true)
{
$this->html_mode = $html;
}
/**
* Should we include headers and footers?
*
* @access public
* @param string
* @return void
*/
function wrap_mode($wrap = true)
{
$this->wrap_mode = $wrap;
}
/**
* Create navigations for a specific page
*
* @access public
* @param string
* @param string
* @return void
*/
function navigation
($links = array()) {
$this->_navigation = $this->_navigation + $links;
}
/**
* Helps build custom breadcrumb trails
*
* @access public
* @param string
* @param string
* @return void
*/
function add_breadcrumb($name, $url_ref = '')
{
$this->_breadcrumbs
[] = array('name'=>$name, 'url_ref'=>$segment); }
function _guess_title()
{
$this->CI->load->helper('inflector');
// Obviously no title, lets get making one
// Is there a module?
else $title_parts[] = strtolower($this->_controller
);
// If the method is something other than index, use that
if($this->_method != 'index' && $title_parts[0] != $this->_method) $title_parts[] = $this->_method;
$this->_page_title
= humanize
(implode(' | ', $title_parts));
return $this->_page_title;
}
// Build the array into a string with anchors and ->'s
function _create_navigation()
{/*
$nav_parts = array();
foreach($this->_navigation as $text => $link):
// Support javascript links
if(strpos($link, 'javascript:') === 0):
$nav_parts[] = '<a href="'.$link.'" title="'.$text.'">'.$text.'</a>';
else:
$nav_parts[] = anchor($link, $text);
endif;
endforeach;
return $nav_parts;
*/}
// Build the array into a string with anchors and ->'s
function _create_breadcrumbs()
{
$this->CI->load->helper('inflector');
// No crumbs (other than possibly the section crumb we just added)?
if(count($this->_breadcrumbs
) <= 1):
$segment_array = $this->CI->uri->segment_array();
foreach($segment_array as $url_ref):
// Skip if we already have this breadcrumb and its not admin
if(in_array($url_ref, $url_parts) or
$url_ref == 'admin') continue;
$url_parts[] = $url_ref;
$this->_breadcrumbs
[] = array('name'=>humanize
(str_replace('-', ' ', $url_ref)), 'url_ref'=>implode
('/', $url_parts), 'current_page'=>false
); endforeach;
$url_parts[] = $last_segment;
$this->_breadcrumbs
[] = array('name'=>humanize
(str_replace('-', ' ', $last_segment)), 'url_ref'=>implode
('/', $url_parts), 'current_page'=>true
);
endif;
return $this->_breadcrumbs;
}
}
// END Layout class
?>
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