Model.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2006-2007 by Anton E. Lebedevich                        *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation; either version 3 of the    *
00008  *   License, or (at your option) any later version.                       *
00009  *                                                                         *
00010  ***************************************************************************/
00011 
00015     class Model implements SimplifiedArrayAccess
00016     {
00017         private $vars = array();
00018         
00022         public static function create()
00023         {
00024             return new self;
00025         }
00026         
00030         public function clean()
00031         {
00032             $this->vars = array();
00033             
00034             return $this;
00035         }
00036         
00037         public function isEmpty()
00038         {
00039             return ($this->vars === array());
00040         }
00041         
00042         public function getList()
00043         {
00044             return $this->vars;
00045         }
00046         
00050         public function set($name, $var)
00051         {
00052             $this->vars[$name] = $var;
00053             
00054             return $this;
00055         }
00056         
00057         public function get($name)
00058         {
00059             return $this->vars[$name];
00060         }
00061         
00062         public function has($name)
00063         {
00064             return isset($this->vars[$name]);
00065         }
00066         
00070         public function drop($name)
00071         {
00072             unset($this->vars[$name]);
00073             
00074             return $this;
00075         }
00076         
00080         public function merge(Model $model, $overwrite = false)
00081         {
00082             if (!$model->isEmpty()) {
00083             
00084                 $vars = $model->getList();
00085                 foreach ($vars as $name => $value) {
00086                     if (!$overwrite && $this->has($name))
00087                         continue;
00088                     $this->set($name, $value);
00089                 }
00090                 
00091             }
00092             
00093             return $this;
00094         }
00095     }
00096 ?>