git.dj3c1t.com Git - mtweb/blob - mw/env/modules/mw_env_helpers.php

   1 <?php
   2
   3   class mw_env_helpers extends mw_env{
   4
   5     public $helpers;
   6
   7     public function init_helpers(){
   8       $this->helpers = false;
   9       $helpers_files = array();
  10       if(($plugins = $this->plugins()) !== false){
  11         foreach($plugins as $plugin_name => $plugin){
  12           $helpers_path = $this->path("mw_dir")."plugins/".$plugin_name."/app/helpers/";
  13           if(
  14                $plugin["installed"]
  15             && $plugin["enabled"]
  16             && file_exists($helpers_path)
  17             && is_dir($helpers_path)
  18           ){
  19             if($dh = opendir($helpers_path)){
  20               while(($file = readdir($dh)) !== false){
  21                 if(
  22                      substr($file, 0, 1) != "."
  23                   && !is_dir($helpers_path.$file)
  24                   && strcmp(substr($file, -4), ".php") == 0
  25                   && !isset($helpers_files[$file])
  26                 ) $helpers_files[$file] = $helpers_path;
  27               }
  28               closedir($dh);
  29             }
  30             else return false;
  31           }
  32         }
  33         $helpers_path = $this->path("mw_dir")."app/helpers/";
  34         if(
  35              file_exists($helpers_path)
  36           && is_dir($helpers_path)
  37         ){
  38           if($dh = opendir($helpers_path)){
  39             while(($file = readdir($dh)) !== false){
  40               if(
  41                    substr($file, 0, 1) != "."
  42                 && !is_dir($helpers_path.$file)
  43                 && strcmp(substr($file, -4), ".php") == 0
  44                 && !isset($helpers_files[$file])
  45               ) $helpers_files[$file] = $helpers_path;
  46             }
  47             closedir($dh);
  48           }
  49           else return false;
  50         }
  51       }
  52       $this->helpers = array();
  53       foreach($helpers_files as $file => $helpers_path){
  54         $this->helpers[substr($file, 0, -4)] = array("file" => $helpers_path.$file);
  55       }
  56       return true;
  57     }
  58
  59     public function helper($helper_name){
  60       if(!isset($this->helpers)) $this->init_helpers();
  61       if($this->helpers === false || !isset($this->helpers[$helper_name])) return false;
  62       if(!isset($this->helpers[$helper_name]["file"])) return false;
  63       if($this->init_helper($helper_name)) return $this->helpers[$helper_name]["impl"];
  64       return false;
  65     }
  66
  67     public function init_helper($helper_name){
  68       if(!isset($this->helpers[$helper_name]["impl"])){
  69         if(!class_exists($helper_name)){
  70           if(
  71                 !isset($this->helpers[$helper_name]["file"])
  72             ||  !$this->helpers[$helper_name]["file"]
  73             ||  !file_exists($this->helpers[$helper_name]["file"])
  74           ) return false;
  75           require_once $this->helpers[$helper_name]["file"];
  76           if(!class_exists($helper_name)) return false;
  77         }
  78         $this->helpers[$helper_name]["impl"] = new $helper_name();
  79         $this->helpers[$helper_name]["impl"]->set_env($this);
  80         return true;
  81       }
  82       if($this->helpers[$helper_name]["impl"] === false) return false;
  83       return true;
  84     }
  85
  86   }
  87
  88   // -------------------------------------------------------------------------------------------
  89   //                                                                             class mw_helper
  90   //
  91
  92   abstract class mw_helper{
  93
  94     public $env;
  95
  96     public function set_env(&$env){
  97       $this->env = &$env;
  98     }
  99
 100     public function env(){
 101       return $this->env;
 102     }
 103
 104   }