plugins/ajatus/helpers/metadata.php

   1 <?php
   2 /**
   3  * This file is part of
   4  * Ajatus - Distributed CRM
   5  *
   6  * Copyright (c) 2008 Jerry Jalava <jerry.jalava@gmail.com>
   7  * Copyright (c) 2008 Nemein Oy <http://nemein.com>
   8  * Website: http://ajatus.info
   9  * Licensed under the GPL license
  10  * http://www.gnu.org/licenses/gpl.html
  11  *
  12  */
  13
  14 class ajatus_helpers_metadata
  15 {
  16     private $keys = array();
  17     private $defaults = array();
  18     private $metadata;
  19
  20     public function __construct(&$metadata)
  21     {
  22         $this->keys = array
  23         (
  24             'created', 'creator', 'revised', 'revisor', 'archived', 'deleted'
  25         );
  26
  27         $this->defaults = array
  28         (
  29             'creator' => array
  30             (
  31                 'widget' => array
  32                 (
  33                     'name' => 'text',
  34                     'config' => null
  35                 ),
  36                 'value' => ''
  37             ),
  38             'created' => array
  39             (
  40                 'widget' => array
  41                 (
  42                     'name' => 'date',
  43                     'config' => array( 'use_time' => true )
  44                 ),
  45                 'value' => ''
  46             ),
  47             'revisor' => array
  48             (
  49                 'widget' => array
  50                 (
  51                     'name' => 'text',
  52                     'config' => null
  53                 ),
  54                 'value' => ''
  55             ),
  56             'revised' => array
  57             (
  58                 'widget' => array
  59                 (
  60                     'name' => 'date',
  61                     'config' => array( 'use_time' => true )
  62                 ),
  63                 'value' => ''
  64             ),
  65             'archived' => array
  66             (
  67                 'widget' => array
  68                 (
  69                     'name' => 'boolean',
  70                     'config' => null
  71                 ),
  72                 'value' => false
  73             ),
  74             'deleted' => array
  75             (
  76                 'widget' => array
  77                 (
  78                     'name' => 'boolean',
  79                     'config' => null
  80                 ),
  81                 'value' => false
  82             ),
  83         );
  84
  85         $this->metadata =& $metadata;
  86
  87         $this->validate();
  88     }
  89
  90     public function __get($key)
  91     {
  92         return $this->read($key);
  93     }
  94
  95     public function __set($key, $value)
  96     {
  97         $this->update($key, $value);
  98     }
  99
 100     public function read($key)
 101     {
 102         if (! in_array($key, $this->keys))
 103         {
 104             throw new ajatus_metadata_exception("No key '{$key}' found!");
 105         }
 106
 107         return $this->metadata->$key->val;
 108     }
 109
 110     public function update($key, $value)
 111     {
 112         if (! in_array($key, $this->keys))
 113         {
 114             throw new ajatus_metadata_exception("No key '{$key}' found!");
 115         }
 116
 117         $this->metadata->$key->val = $value;
 118     }
 119
 120     private function validate()
 121     {
 122         foreach ($this->keys as $key)
 123         {
 124             $defaults = $this->defaults[$key];
 125             if (! isset($this->metadata->$key))
 126             {
 127                 $this->metadata->$key = new StdClass;
 128                 $this->metadata->$key->val = $defaults->value;
 129                 $this->metadata->$key->widget = new StdClass;
 130                 $this->metadata->$key->widget->name = $defaults['widget']['name'];
 131                 $this->metadata->$key->widget->config = new StdClass;
 132                 if (is_array($defaults['widget']['config']))
 133                 {
 134                     foreach ($defaults['widget']['config'] as $ck => $cv)
 135                     {
 136                         $this->metadata->$key->widget->config->$ck = $cv;
 137                     }
 138                 }
 139             }
 140         }
 141     }
 142 }
 143
 144 ?>