application/helpers/ninja.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2
   3 /**
   4  * Helper for basic ninja stuff
   5  *
   6  * Basically, stuff that could be in the ninja controller, if not other helpers
   7  * had needed it.
   8  */
   9 class ninja {
  10         private static $loaded_modules = array();
  11         /**
  12          * Given a file name that is relative to the views directory, find it and
  13          * return the full path.
  14          *
  15          * @return string
  16          */
  17         public static function add_path($rel_path, $module_name=false) {
  18                 static $url_base = false;
  19                 if (!$url_base)
  20                         $url_base = url::base();
  21                 $rel_path = trim($rel_path);
  22                 if (empty($rel_path)) {
  23                         return false;
  24                 }
  25                 if($module_name === false ) {
  26                         $path = 'application/views/'.$rel_path;
  27                 } else {
  28                         $path = 'modules/'.$module_name.'/views/'.$rel_path;
  29                 }
  30                 # make sure we didn't mix up start/end slashes
  31                 $path = str_replace('//', '/', $path);
  32                 return self::add_version_to_uri($url_base.$path);
  33         }
  34
  35         /**
  36          * Return array of all installed skins
  37          */
  38         public static function get_skins() {
  39                 $available_skins = array();
  40                 $required_css = array('common.css');
  41                 $skins = glob(APPPATH.'views/css/*', GLOB_ONLYDIR);
  42                 if (count($skins) > 1) {
  43                         foreach ($skins as $skin) {
  44
  45                                 # make sure we have all requred css
  46                                 $missing_css = false;
  47                                 foreach ($required_css as $css) {
  48                                         if (glob($skin.'/'.$css) == false) {
  49                                                 $missing_css = true;
  50                                                 continue;
  51                                         }
  52                                 }
  53                                 if ($missing_css !== false) {
  54                                         continue;
  55                                 }
  56
  57                                 # all required css files seems to be exist
  58                                 $skinparts = explode('/', $skin);
  59                                 if (is_array($skinparts) && !empty($skinparts)) {
  60                                         $available_skins[$skinparts[sizeof($skinparts)-1].'/'] = $skinparts[sizeof($skinparts)-1];
  61                                 }
  62                         }
  63                 }
  64                 return $available_skins;
  65         }
  66
  67         /**
  68          * @param $name string
  69          * @return boolean
  70          */
  71         static function has_module($name)
  72         {
  73                 $name = (string) $name;
  74                 if(!isset(self::$loaded_modules[$name])) {
  75                         self::$loaded_modules[$name] = is_readable(MODPATH.$name);
  76                 }
  77                 return self::$loaded_modules[$name];
  78         }
  79
  80         /**
  81          * Add "?v=3.0.0" (or such) to the parameter, makes for solid
  82          * cache busting.
  83          *
  84          * @param $uri string
  85          * @return string
  86          */
  87         static function add_version_to_uri($uri) {
  88                 return $uri .= "?v=".config::get_version_info();
  89         }
  90 }