399 lines
12 KiB
PHP
399 lines
12 KiB
PHP
<?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Kohana user guide and api browser.
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*
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* @package Kohana/Userguide
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* @category Controllers
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* @author Kohana Team
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*/
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abstract class Kohana_Controller_Userguide extends Controller_Template {
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public $template = 'userguide/template';
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// Routes
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protected $media;
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protected $api;
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protected $guide;
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public function before()
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{
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parent::before();
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if ($this->request->action() === 'media')
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{
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// Do not template media files
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$this->auto_render = FALSE;
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}
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else
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{
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// Grab the necessary routes
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$this->media = Route::get('docs/media');
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$this->guide = Route::get('docs/guide');
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// Set the base URL for links and images
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Kodoc_Markdown::$base_url = URL::site($this->guide->uri()).'/';
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Kodoc_Markdown::$image_url = URL::site($this->media->uri()).'/';
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}
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// Default show_comments to config value
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$this->template->show_comments = Kohana::$config->load('userguide.show_comments');
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}
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// List all modules that have userguides
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public function index()
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{
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$this->template->title = "Userguide";
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$this->template->breadcrumb = array('User Guide');
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$this->template->content = View::factory('userguide/index', array('modules' => $this->_modules()));
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$this->template->menu = View::factory('userguide/menu', array('modules' => $this->_modules()));
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// Don't show disqus on the index page
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$this->template->show_comments = FALSE;
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}
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// Display an error if a page isn't found
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public function error($message)
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{
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$this->response->status(404);
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$this->template->title = "Userguide - Error";
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$this->template->content = View::factory('userguide/error',array('message' => $message));
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// Don't show disqus on error pages
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$this->template->show_comments = FALSE;
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// If we are in a module and that module has a menu, show that
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if ($module = $this->request->param('module') AND $menu = $this->file($module.'/menu') AND Kohana::$config->load('userguide.modules.'.$module.'.enabled'))
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{
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// Namespace the markdown parser
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Kodoc_Markdown::$base_url = URL::site($this->guide->uri()).'/'.$module.'/';
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Kodoc_Markdown::$image_url = URL::site($this->media->uri()).'/'.$module.'/';
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$this->template->menu = Kodoc_Markdown::markdown($this->_get_all_menu_markdown());
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$this->template->breadcrumb = array(
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$this->guide->uri() => 'User Guide',
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$this->guide->uri(array('module' => $module)) => Kohana::$config->load('userguide.modules.'.$module.'.name'),
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'Error'
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);
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}
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// If we are in the api browser, show the menu and show the api browser in the breadcrumbs
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else if (Route::name($this->request->route()) == 'docs/api')
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{
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$this->template->menu = Kodoc::menu();
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// Bind the breadcrumb
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$this->template->breadcrumb = array(
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$this->guide->uri(array('page' => NULL)) => 'User Guide',
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$this->request->route()->uri() => 'API Browser',
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'Error'
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);
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}
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// Otherwise, show the userguide module menu on the side
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else
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{
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$this->template->menu = View::factory('userguide/menu',array('modules' => $this->_modules()));
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$this->template->breadcrumb = array($this->request->route()->uri() => 'User Guide','Error');
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}
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}
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public function action_docs()
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{
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$module = $this->request->param('module');
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$page = $this->request->param('page');
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// Trim trailing slash
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$page = rtrim($page, '/');
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// If no module provided in the url, show the user guide index page, which lists the modules.
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if ( ! $module)
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{
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return $this->index();
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}
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// If this module's userguide pages are disabled, show the error page
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if ( ! Kohana::$config->load('userguide.modules.'.$module.'.enabled'))
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{
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return $this->error('That module doesn\'t exist, or has userguide pages disabled.');
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}
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// Prevent "guide/module" and "guide/module/index" from having duplicate content
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if ( $page == 'index')
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{
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return $this->error('Userguide page not found');
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}
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// If a module is set, but no page was provided in the url, show the index page
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if ( ! $page )
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{
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$page = 'index';
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}
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// Find the markdown file for this page
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$file = $this->file($module.'/'.$page);
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// If it's not found, show the error page
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if ( ! $file)
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{
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return $this->error('Userguide page not found');
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}
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// Namespace the markdown parser
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Kodoc_Markdown::$base_url = URL::site($this->guide->uri()).'/'.$module.'/';
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Kodoc_Markdown::$image_url = URL::site($this->media->uri()).'/'.$module.'/';
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// Set the page title
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$this->template->title = $page == 'index' ? Kohana::$config->load('userguide.modules.'.$module.'.name') : $this->title($page);
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// Parse the page contents into the template
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Kodoc_Markdown::$show_toc = true;
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$this->template->content = Kodoc_Markdown::markdown(file_get_contents($file));
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Kodoc_Markdown::$show_toc = false;
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// Attach this module's menu to the template
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$this->template->menu = Kodoc_Markdown::markdown($this->_get_all_menu_markdown());
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// Bind the breadcrumb
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$this->template->bind('breadcrumb', $breadcrumb);
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// Bind the copyright
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$this->template->copyright = Kohana::$config->load('userguide.modules.'.$module.'.copyright');
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// Add the breadcrumb trail
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$breadcrumb = array();
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$breadcrumb[$this->guide->uri()] = 'User Guide';
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$breadcrumb[$this->guide->uri(array('module' => $module))] = Kohana::$config->load('userguide.modules.'.$module.'.name');
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// TODO try and get parent category names (from menu). Regex magic or javascript dom stuff perhaps?
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// Only add the current page title to breadcrumbs if it isn't the index, otherwise we get repeats.
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if ($page != 'index')
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{
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$breadcrumb[] = $this->template->title;
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}
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}
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public function action_api()
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{
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// Enable the missing class autoloader. If a class cannot be found a
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// fake class will be created that extends Kodoc_Missing
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spl_autoload_register(array('Kodoc_Missing', 'create_class'));
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// Get the class from the request
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$class = $this->request->param('class');
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// If no class was passed to the url, display the API index page
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if ( ! $class)
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{
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$this->template->title = 'Table of Contents';
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$this->template->content = View::factory('userguide/api/toc')
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->set('classes', Kodoc::class_methods())
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->set('route', $this->request->route());
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}
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else
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{
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// Create the Kodoc_Class version of this class.
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$_class = Kodoc_Class::factory($class);
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// If the class requested and the actual class name are different
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// (different case, orm vs ORM, auth vs Auth) redirect
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if ($_class->class->name != $class)
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{
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$this->request->redirect($this->request->route()->uri(array('class'=>$_class->class->name)));
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}
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// If this classes immediate parent is Kodoc_Missing, then it should 404
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if ($_class->class->getParentClass() AND $_class->class->getParentClass()->name == 'Kodoc_Missing')
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return $this->error('That class was not found. Check your url and make sure that the module with that class is enabled.');
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// If this classes package has been disabled via the config, 404
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if ( ! Kodoc::show_class($_class))
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return $this->error('That class is in package that is hidden. Check the <code>api_packages</code> config setting.');
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// Everything is fine, display the class.
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$this->template->title = $class;
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$this->template->content = View::factory('userguide/api/class')
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->set('doc', $_class)
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->set('route', $this->request->route());
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}
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// Attach the menu to the template
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$this->template->menu = Kodoc::menu();
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// Bind the breadcrumb
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$this->template->bind('breadcrumb', $breadcrumb);
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// Add the breadcrumb
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$breadcrumb = array();
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$breadcrumb[$this->guide->uri(array('page' => NULL))] = 'User Guide';
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$breadcrumb[$this->request->route()->uri()] = 'API Browser';
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$breadcrumb[] = $this->template->title;
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}
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public function action_media()
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{
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// Get the file path from the request
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$file = $this->request->param('file');
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// Find the file extension
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$ext = pathinfo($file, PATHINFO_EXTENSION);
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// Remove the extension from the filename
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$file = substr($file, 0, -(strlen($ext) + 1));
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if ($file = Kohana::find_file('media/guide', $file, $ext))
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{
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// Check if the browser sent an "if-none-match: <etag>" header, and tell if the file hasn't changed
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$this->check_cache(sha1($this->request->uri()).filemtime($file));
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// Send the file content as the response
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$this->response->body(file_get_contents($file));
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// Set the proper headers to allow caching
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$this->response->headers('content-type', File::mime_by_ext($ext));
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$this->response->headers('last-modified', date('r', filemtime($file)));
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}
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else
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{
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// Return a 404 status
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$this->response->status(404);
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}
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}
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public function after()
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{
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if ($this->auto_render)
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{
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// Get the media route
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$media = Route::get('docs/media');
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// Add styles
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$this->template->styles = array(
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$media->uri(array('file' => 'css/print.css')) => 'print',
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$media->uri(array('file' => 'css/screen.css')) => 'screen',
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$media->uri(array('file' => 'css/kodoc.css')) => 'screen',
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$media->uri(array('file' => 'css/shCore.css')) => 'screen',
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$media->uri(array('file' => 'css/shThemeKodoc.css')) => 'screen',
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);
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// Add scripts
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$this->template->scripts = array(
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$media->uri(array('file' => 'js/jquery.min.js')),
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$media->uri(array('file' => 'js/jquery.cookie.js')),
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$media->uri(array('file' => 'js/kodoc.js')),
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// Syntax Highlighter
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$media->uri(array('file' => 'js/shCore.js')),
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$media->uri(array('file' => 'js/shBrushPhp.js')),
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);
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// Add languages
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$this->template->translations = Kohana::message('userguide', 'translations');
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}
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return parent::after();
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}
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/**
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* Locates the appropriate markdown file for a given guide page. Page URLS
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* can be specified in one of three forms:
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*
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* * userguide/adding
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* * userguide/adding.md
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* * userguide/adding.markdown
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*
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* In every case, the userguide will search the cascading file system paths
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* for the file guide/userguide/adding.md.
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*
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* @param string $page The relative URL of the guide page
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* @return string
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*/
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public function file($page)
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{
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// Strip optional .md or .markdown suffix from the passed filename
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$info = pathinfo($page);
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if (isset($info['extension'])
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AND (($info['extension'] === 'md') OR ($info['extension'] === 'markdown')))
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{
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$page = $info['dirname'].DIRECTORY_SEPARATOR.$info['filename'];
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}
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return Kohana::find_file('guide', $page, 'md');
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}
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public function section($page)
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{
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$markdown = $this->_get_all_menu_markdown();
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if (preg_match('~\*{2}(.+?)\*{2}[^*]+\[[^\]]+\]\('.preg_quote($page).'\)~mu', $markdown, $matches))
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{
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return $matches[1];
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}
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return $page;
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}
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public function title($page)
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{
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$markdown = $this->_get_all_menu_markdown();
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if (preg_match('~\[([^\]]+)\]\('.preg_quote($page).'\)~mu', $markdown, $matches))
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{
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// Found a title for this link
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return $matches[1];
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}
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return $page;
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}
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protected function _get_all_menu_markdown()
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{
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// Only do this once per request...
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static $markdown = '';
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if (empty($markdown))
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{
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// Get menu items
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$file = $this->file($this->request->param('module').'/menu');
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if ($file AND $text = file_get_contents($file))
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{
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// Add spans around non-link categories. This is a terrible hack.
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//echo Debug::vars($text);
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//$text = preg_replace('/(\s*[\-\*\+]\s*)(.*)/','$1<span>$2</span>',$text);
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$text = preg_replace('/^(\s*[\-\*\+]\s*)([^\[\]]+)$/m','$1<span>$2</span>',$text);
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//echo Debug::vars($text);
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$markdown .= $text;
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}
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}
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return $markdown;
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}
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// Get the list of modules from the config, and reverses it so it displays in the order the modules are added, but move Kohana to the top.
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protected function _modules()
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{
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$modules = array_reverse(Kohana::$config->load('userguide.modules'));
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if (isset($modules['kohana']))
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{
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$kohana = $modules['kohana'];
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unset($modules['kohana']);
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$modules = array_merge(array('kohana' => $kohana), $modules);
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}
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// Remove modules that have been disabled via config
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foreach ($modules as $key => $value)
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{
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if ( ! Kohana::$config->load('userguide.modules.'.$key.'.enabled'))
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{
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unset($modules[$key]);
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}
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}
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return $modules;
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}
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} // End Userguide
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