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lnkohana/modules/userguide/classes/Kohana/Controller/Userguide.php
2014-09-06 23:43:07 +10:00

399 lines
12 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
*/
abstract class Kohana_Controller_Userguide extends Controller_Template {
public $template = 'userguide/template';
// Routes
protected $media;
protected $api;
protected $guide;
public function before()
{
parent::before();
if ($this->request->action() === 'media')
{
// Do not template media files
$this->auto_render = FALSE;
}
else
{
// Grab the necessary routes
$this->media = Route::get('docs/media');
$this->guide = Route::get('docs/guide');
// Set the base URL for links and images
Kodoc_Markdown::$base_url = URL::site($this->guide->uri()).'/';
Kodoc_Markdown::$image_url = URL::site($this->media->uri()).'/';
}
// Default show_comments to config value
$this->template->show_comments = Kohana::$config->load('userguide.show_comments');
}
// List all modules that have userguides
public function index()
{
$this->template->title = "Userguide";
$this->template->breadcrumb = array('User Guide');
$this->template->content = View::factory('userguide/index', array('modules' => $this->_modules()));
$this->template->menu = View::factory('userguide/menu', array('modules' => $this->_modules()));
// Don't show disqus on the index page
$this->template->show_comments = FALSE;
}
// Display an error if a page isn't found
public function error($message)
{
$this->response->status(404);
$this->template->title = "Userguide - Error";
$this->template->content = View::factory('userguide/error',array('message' => $message));
// Don't show disqus on error pages
$this->template->show_comments = FALSE;
// If we are in a module and that module has a menu, show that
if ($module = $this->request->param('module') AND $menu = $this->file($module.'/menu') AND Kohana::$config->load('userguide.modules.'.$module.'.enabled'))
{
// Namespace the markdown parser
Kodoc_Markdown::$base_url = URL::site($this->guide->uri()).'/'.$module.'/';
Kodoc_Markdown::$image_url = URL::site($this->media->uri()).'/'.$module.'/';
$this->template->menu = Kodoc_Markdown::markdown($this->_get_all_menu_markdown());
$this->template->breadcrumb = array(
$this->guide->uri() => 'User Guide',
$this->guide->uri(array('module' => $module)) => Kohana::$config->load('userguide.modules.'.$module.'.name'),
'Error'
);
}
// If we are in the api browser, show the menu and show the api browser in the breadcrumbs
else if (Route::name($this->request->route()) == 'docs/api')
{
$this->template->menu = Kodoc::menu();
// Bind the breadcrumb
$this->template->breadcrumb = array(
$this->guide->uri(array('page' => NULL)) => 'User Guide',
$this->request->route()->uri() => 'API Browser',
'Error'
);
}
// Otherwise, show the userguide module menu on the side
else
{
$this->template->menu = View::factory('userguide/menu',array('modules' => $this->_modules()));
$this->template->breadcrumb = array($this->request->route()->uri() => 'User Guide','Error');
}
}
public function action_docs()
{
$module = $this->request->param('module');
$page = $this->request->param('page');
// Trim trailing slash
$page = rtrim($page, '/');
// If no module provided in the url, show the user guide index page, which lists the modules.
if ( ! $module)
{
return $this->index();
}
// If this module's userguide pages are disabled, show the error page
if ( ! Kohana::$config->load('userguide.modules.'.$module.'.enabled'))
{
return $this->error('That module doesn\'t exist, or has userguide pages disabled.');
}
// Prevent "guide/module" and "guide/module/index" from having duplicate content
if ( $page == 'index')
{
return $this->error('Userguide page not found');
}
// If a module is set, but no page was provided in the url, show the index page
if ( ! $page )
{
$page = 'index';
}
// Find the markdown file for this page
$file = $this->file($module.'/'.$page);
// If it's not found, show the error page
if ( ! $file)
{
return $this->error('Userguide page not found');
}
// Namespace the markdown parser
Kodoc_Markdown::$base_url = URL::site($this->guide->uri()).'/'.$module.'/';
Kodoc_Markdown::$image_url = URL::site($this->media->uri()).'/'.$module.'/';
// Set the page title
$this->template->title = $page == 'index' ? Kohana::$config->load('userguide.modules.'.$module.'.name') : $this->title($page);
// Parse the page contents into the template
Kodoc_Markdown::$show_toc = true;
$this->template->content = Kodoc_Markdown::markdown(file_get_contents($file));
Kodoc_Markdown::$show_toc = false;
// Attach this module's menu to the template
$this->template->menu = Kodoc_Markdown::markdown($this->_get_all_menu_markdown());
// Bind the breadcrumb
$this->template->bind('breadcrumb', $breadcrumb);
// Bind the copyright
$this->template->copyright = Kohana::$config->load('userguide.modules.'.$module.'.copyright');
// Add the breadcrumb trail
$breadcrumb = array();
$breadcrumb[$this->guide->uri()] = 'User Guide';
$breadcrumb[$this->guide->uri(array('module' => $module))] = Kohana::$config->load('userguide.modules.'.$module.'.name');
// TODO try and get parent category names (from menu). Regex magic or javascript dom stuff perhaps?
// Only add the current page title to breadcrumbs if it isn't the index, otherwise we get repeats.
if ($page != 'index')
{
$breadcrumb[] = $this->template->title;
}
}
public function action_api()
{
// Enable the missing class autoloader. If a class cannot be found a
// fake class will be created that extends Kodoc_Missing
spl_autoload_register(array('Kodoc_Missing', 'create_class'));
// Get the class from the request
$class = $this->request->param('class');
// If no class was passed to the url, display the API index page
if ( ! $class)
{
$this->template->title = 'Table of Contents';
$this->template->content = View::factory('userguide/api/toc')
->set('classes', Kodoc::class_methods())
->set('route', $this->request->route());
}
else
{
// Create the Kodoc_Class version of this class.
$_class = Kodoc_Class::factory($class);
// If the class requested and the actual class name are different
// (different case, orm vs ORM, auth vs Auth) redirect
if ($_class->class->name != $class)
{
$this->redirect($this->request->route()->uri(array('class'=>$_class->class->name)));
}
// If this classes immediate parent is Kodoc_Missing, then it should 404
if ($_class->class->getParentClass() AND $_class->class->getParentClass()->name == 'Kodoc_Missing')
return $this->error('That class was not found. Check your url and make sure that the module with that class is enabled.');
// If this classes package has been disabled via the config, 404
if ( ! Kodoc::show_class($_class))
return $this->error('That class is in package that is hidden. Check the <code>api_packages</code> config setting.');
// Everything is fine, display the class.
$this->template->title = $class;
$this->template->content = View::factory('userguide/api/class')
->set('doc', $_class)
->set('route', $this->request->route());
}
// Attach the menu to the template
$this->template->menu = Kodoc::menu();
// Bind the breadcrumb
$this->template->bind('breadcrumb', $breadcrumb);
// Add the breadcrumb
$breadcrumb = array();
$breadcrumb[$this->guide->uri(array('page' => NULL))] = 'User Guide';
$breadcrumb[$this->request->route()->uri()] = 'API Browser';
$breadcrumb[] = $this->template->title;
}
public function action_media()
{
// 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/guide', $file, $ext))
{
// Check if the browser sent an "if-none-match: <etag>" header, and tell if the file hasn't changed
$this->check_cache(sha1($this->request->uri()).filemtime($file));
// Send the file content as the response
$this->response->body(file_get_contents($file));
// Set the proper headers to allow caching
$this->response->headers('content-type', File::mime_by_ext($ext));
$this->response->headers('last-modified', date('r', filemtime($file)));
}
else
{
// Return a 404 status
$this->response->status(404);
}
}
public function after()
{
if ($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/jquery.cookie.js')),
$media->uri(array('file' => 'js/kodoc.js')),
// Syntax Highlighter
$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();
}
/**
* Locates the appropriate markdown file for a given guide page. Page URLS
* can be specified in one of three forms:
*
* * userguide/adding
* * userguide/adding.md
* * userguide/adding.markdown
*
* In every case, the userguide will search the cascading file system paths
* for the file guide/userguide/adding.md.
*
* @param string $page The relative URL of the guide page
* @return string
*/
public function file($page)
{
// Strip optional .md or .markdown suffix from the passed filename
$info = pathinfo($page);
if (isset($info['extension'])
AND (($info['extension'] === 'md') OR ($info['extension'] === 'markdown')))
{
$page = $info['dirname'].DIRECTORY_SEPARATOR.$info['filename'];
}
return Kohana::find_file('guide', $page, 'md');
}
public function section($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 menu items
$file = $this->file($this->request->param('module').'/menu');
if ($file AND $text = file_get_contents($file))
{
// Add spans around non-link categories. This is a terrible hack.
//echo Debug::vars($text);
//$text = preg_replace('/(\s*[\-\*\+]\s*)(.*)/','$1<span>$2</span>',$text);
$text = preg_replace('/^(\s*[\-\*\+]\s*)([^\[\]]+)$/m','$1<span>$2</span>',$text);
//echo Debug::vars($text);
$markdown .= $text;
}
}
return $markdown;
}
// Get the list of modules from the config, and reverses it so it displays in the order the modules are added, but move Kohana to the top.
protected function _modules()
{
$modules = array_reverse(Kohana::$config->load('userguide.modules'));
if (isset($modules['kohana']))
{
$kohana = $modules['kohana'];
unset($modules['kohana']);
$modules = array_merge(array('kohana' => $kohana), $modules);
}
// Remove modules that have been disabled via config
foreach ($modules as $key => $value)
{
if ( ! Kohana::$config->load('userguide.modules.'.$key.'.enabled'))
{
unset($modules[$key]);
}
}
return $modules;
}
} // End Userguide