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khosb/includes/kohana/modules/userguide/classes/controller/userguide.php
2011-05-03 09:49:01 +10:00

315 lines
7.8 KiB
PHP

<?php defined('SYSPATH') or die('No direct script access.');
/**
* Kohana user guide and api browser.
*
* @package Kohana/Userguide
* @category Controllers
* @author Kohana Team
*/
class Controller_Userguide extends Controller_Template {
public $template = 'userguide/template';
// Routes
protected $media;
protected $api;
protected $guide;
public function before()
{
if ($this->request->action === 'media')
{
// Do not template media files
$this->auto_render = FALSE;
}
else
{
// Grab the necessary routes
$this->media = Route::get('docs/media');
$this->guide = Route::get('docs/guide');
if (isset($_GET['lang']))
{
$lang = $_GET['lang'];
// Load the accepted language list
$translations = array_keys(Kohana::message('userguide', 'translations'));
if (in_array($lang, $translations))
{
// Set the language cookie
Cookie::set('userguide_language', $lang, Date::YEAR);
}
// Reload the page
$this->request->redirect($this->request->uri);
}
// Set the translation language
I18n::$lang = Cookie::get('userguide_language', Kohana::config('userguide')->lang);
if (defined('MARKDOWN_PARSER_CLASS'))
{
throw new Kohana_Exception('Markdown parser already registered. Live documentation will not work in your environment.');
}
// Use customized Markdown parser
define('MARKDOWN_PARSER_CLASS', 'Kodoc_Markdown');
if ( ! class_exists('Markdown', FALSE))
{
// Load Markdown support
require Kohana::find_file('vendor', 'markdown/markdown');
}
// Set the base URL for links and images
Kodoc_Markdown::$base_url = URL::site($this->guide->uri()).'/';
Kodoc_Markdown::$image_url = URL::site($this->media->uri()).'/';
}
parent::before();
}
public function action_docs()
{
$page = $this->request->param('page');
if ( ! $page)
{
// Redirect to the default page
$this->request->redirect($this->guide->uri(array('page' => Kohana::config('userguide')->default_page)));
}
$file = $this->file($page);
if ( ! $file)
{
$this->error(__('Userguide page not found'));
return;
}
// Set the page title
$this->template->title = $this->title($page);
// Parse the page contents into the template
$this->template->content = Markdown(file_get_contents($file));
// Attach the menu to the template
$this->template->menu = Markdown(file_get_contents($this->file('menu')));
// Bind module menu items
$this->template->bind('module_menus', $module_menus);
// Attach module-specific menu items
$module_menus = array();
foreach(Kohana::modules() as $module => $path)
{
if ($file = $this->file('menu.'.$module))
{
$module_menus[$module] = Markdown(file_get_contents($file));
}
}
// Bind the breadcrumb
$this->template->bind('breadcrumb', $breadcrumb);
// Add the breadcrumb
$breadcrumb = array();
$breadcrumb[$this->guide->uri()] = __('User Guide');
$breadcrumb[] = $this->section($page);
$breadcrumb[] = $this->template->title;
}
public function action_api()
{
// Enable the missing class autoloader
spl_autoload_register(array('Kodoc_Missing', 'create_class'));
// Get the class from the request
$class = $this->request->param('class');
if ($class)
{
try
{
$_class = Kodoc_Class::factory($class);
if ( ! Kodoc::show_class($_class))
throw new Exception(__('That class is hidden'));
}
catch (Exception $e)
{
return $this->error(__('API Reference: Class not found.'));
}
$this->template->title = $class;
$this->template->content = View::factory('userguide/api/class')
->set('doc', Kodoc::factory($class))
->set('route', $this->request->route);
}
else
{
$this->template->title = __('Table of Contents');
$this->template->content = View::factory('userguide/api/toc')
->set('classes', Kodoc::class_methods())
->set('route', $this->request->route);
}
// Attach the menu to the template
$this->template->menu = Kodoc::menu();
// Bind the breadcrumb
$this->template->bind('breadcrumb', $breadcrumb);
// Get the docs URI
$guide = Route::get('docs/guide');
// Add the breadcrumb
$breadcrumb = array();
$breadcrumb[$this->guide->uri(array('page' => NULL))] = __('User Guide');
$breadcrumb[$this->request->route->uri()] = $this->title('api');
$breadcrumb[] = $this->template->title;
}
public function action_media()
{
// Generate and check the ETag for this file
$this->request->check_cache(sha1($this->request->uri));
// Get the file path from the request
$file = $this->request->param('file');
// Find the file extension
$ext = pathinfo($file, PATHINFO_EXTENSION);
// Remove the extension from the filename
$file = substr($file, 0, -(strlen($ext) + 1));
if ($file = Kohana::find_file('media', $file, $ext))
{
// Send the file content as the response
$this->request->response = file_get_contents($file);
}
else
{
// Return a 404 status
$this->request->status = 404;
}
// Set the proper headers to allow caching
$this->request->headers['Content-Type'] = File::mime_by_ext($ext);
$this->request->headers['Content-Length'] = filesize($file);
$this->request->headers['Last-Modified'] = date('r', filemtime($file));
}
// Display an error if a page isn't found
public function error($message)
{
$this->request->status = 404;
$this->template->title = __('User Guide').' - '.__('Error');
$this->template->content = View::factory('userguide/error',array('message'=>$message));
$this->template->menu = Kodoc::menu();
$this->template->breadcrumb = array($this->guide->uri() => __('User Guide'), __('Error'));
}
public function after()
{
if ($this->auto_render)
{
// Get the media route
$media = Route::get('docs/media');
// Add styles
$this->template->styles = array(
$media->uri(array('file' => 'css/print.css')) => 'print',
$media->uri(array('file' => 'css/screen.css')) => 'screen',
$media->uri(array('file' => 'css/kodoc.css')) => 'screen',
$media->uri(array('file' => 'css/shCore.css')) => 'screen',
$media->uri(array('file' => 'css/shThemeKodoc.css')) => 'screen',
);
// Add scripts
$this->template->scripts = array(
$media->uri(array('file' => 'js/jquery.min.js')),
$media->uri(array('file' => 'js/kodoc.js')),
$media->uri(array('file' => 'js/shCore.js')),
$media->uri(array('file' => 'js/shBrushPhp.js')),
);
// Add languages
$this->template->translations = Kohana::message('userguide', 'translations');
}
return parent::after();
}
public function file($page)
{
if ( ! ($file = Kohana::find_file('guide', I18n::$lang.'/'.$page, 'md')))
{
// Use the default file
$file = Kohana::find_file('guide', $page, 'md');
}
return $file;
}
public function section($page)
{
$markdown = $this->_get_all_menu_markdown();
if (preg_match('~\*{2}(.+?)\*{2}[^*]+\[[^\]]+\]\('.preg_quote($page).'\)~mu', $markdown, $matches))
{
return $matches[1];
}
return $page;
}
public function title($page)
{
$markdown = $this->_get_all_menu_markdown();
if (preg_match('~\[([^\]]+)\]\('.preg_quote($page).'\)~mu', $markdown, $matches))
{
// Found a title for this link
return $matches[1];
}
return $page;
}
protected function _get_all_menu_markdown()
{
// Only do this once per request...
static $markdown = '';
if (empty($markdown))
{
// Get core menu items
$file = $this->file('menu');
if ($file AND $text = file_get_contents($file))
{
$markdown .= $text;
}
// Look in module specific files
foreach(Kohana::modules() as $module => $path)
{
if ($file = $this->file('menu.'.$module) AND $text = file_get_contents($file))
{
// Concatenate markdown to produce one string containing all menu items
$markdown .="\n".$text;
}
}
}
return $markdown;
}
} // End Userguide