application/core/Article_Controller.php

   1 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
   2 /**
   3  * Library Article_Controller can be extended by a controller to be used for
   4  * content pages that depend on the language.
   5  *
   6  * The page views are usually located in
   7  * "application/views/article/$language/$method".
   8  * Parameters:
   9  * <ul>
  10  *      <li><strong>Article Title:</strong> in language file 'article_lang.php':
  11  * an entry named "article_$method".
  12  * If not present "$method" is used as a name.</li>
  13  *      <li><strong>Article Meta Description:</strong> in language file..:
  14  * an entry "article_${method}_description"</li>
  15  *      <li><strong>Helpers, Libraries:</strong> in config file 'article.php':
  16  * an entry named "article_${method}_helpers" or "article_${method}_libraries"
  17  * respectively with an array of helpers or libraries to be loaded for the
  18  * article.</li>
  19  * </ul>
  20  *
  21  * @category    Base Controller Library
  22  * @author              Călin-Andrei Burloiu
  23  */
  24 class Article_Controller extends CI_Controller {
  25
  26         protected $title = NULL;
  27         protected $metaDescription = NULL;
  28         protected $helpers = array();
  29         protected $libraries = array();
  30
  31         function __construct()
  32         {
  33                 parent::__construct();
  34
  35                 // Language, title and description
  36                 $this->lang->load('article');
  37
  38                 // Helpers and libraries.
  39                 $this->config->load('article');
  40         }
  41
  42         /**
  43          * Extend this with site specific information (header, menus...) and call
  44          * $this->_load which is a generic method that loads the article.
  45          * Both parameters must be passed to $this->_load.
  46          */
  47         public function _remap($method, $params = array())
  48         {
  49                 // Title
  50                 $this->title = $this->lang->line("article_$method");
  51                 if ($this->title === FALSE)
  52                         $this->title = $method;
  53
  54                 // Meta Description
  55                 $this->metaDescription = $this->lang->line("article_${method}_description");
  56                 if ($this->metaDescription === FALSE)
  57                         $this->metaDescription = '';
  58
  59                 // Helpers
  60                 $this->helpers = $this->config->item("article_${method}_helpers");
  61                 if ($this->helpers !== FALSE)
  62                         $this->load->helper($this->helpers);
  63
  64                 // Libraries
  65                 $this->libraries = $this->config->item("article_${method}_library");
  66                 if ($this->libraries !== FALSE)
  67                         $this->load->library($libraries);
  68         }
  69
  70         /**
  71          * Returns the article based on the language from
  72          * "application/views/article/$language/$method".
  73          *
  74          * @param       string $method  defines article name
  75          * @param       array $params   odd elements are keys and even elements are
  76          * their values (eg.: [0] => key, [1] => value etc.). This are going to
  77          * be converted to an associative array that is passed to the view if
  78          * $assoc parameter is FALSE. Otherwise this parameter is already an
  79          * associative array.
  80          * @param       bool $assoc     states whether or not $params is associative
  81          */
  82         public function _load($method, $params = array(), $assoc = FALSE)
  83         {
  84                 if (! $assoc)
  85                 {
  86                         $alt = 0;
  87                         $params_assoc = array();
  88                         $prev_val = NULL;
  89                         foreach ($params as $i => $val)
  90                         {
  91                                 if ($alt == 0)
  92                                         $prev_val = $val;
  93                                 else if ($alt == 1)
  94                                         $params_assoc[$prev_val] = $val;
  95
  96                                 $alt = ($alt + 1) % 2;
  97                         }
  98                 }
  99                 else
 100                         $params_assoc = $params;
 101
 102                 return $this->load->view('article/'. $this->config->item('language')
 103                         . '/' . $method, $params_assoc, TRUE);
 104         }
 105 }
 106
 107 /* End of file Article_Controller.php */
 108 /* Location: ./application/core/Article_Controller.php */