cakephp2-php8/libs/controller.php

<?php
//////////////////////////////////////////////////////////////////////////
// + $Id$
// +------------------------------------------------------------------+ //
// + Cake PHP : Rapid Development Framework <http://www.cakephp.org/> + //
// + Copyright: (c) 2005, CakePHP Authors/Developers                  + //
// + Author(s): Michal Tatarynowicz aka Pies <tatarynowicz@gmail.com> + //
// +            Larry E. Masters aka PhpNut <nut@phpnut.com>          + //
// +            Kamil Dzielinski aka Brego <brego.dk@gmail.com>       + //
// +------------------------------------------------------------------+ //
// + Licensed under The MIT License                                   + //
// + Redistributions of files must retain the above copyright notice. + //
// + See: http://www.opensource.org/licenses/mit-license.php          + //
//////////////////////////////////////////////////////////////////////////

/**
 * Purpose: Controller
 * Application controller (controllers are where you put all the actual code) 
 * Provides basic functionality, such as rendering views (aka displaying templates).
 * Automatically selects model name from on singularized object class name 
 * and creates the model object if proper class exists.
 * 
 * @filesource 
 * @author CakePHP Authors/Developers
 * @copyright Copyright (c) 2005, CakePHP Authors/Developers
 * @link https://trac.cakephp.org/wiki/Authors Authors/Developers
 * @package cake
 * @subpackage cake.libs
 * @since CakePHP v 0.2.9
 * @version $Revision$
 * @modifiedby $LastChangedBy$
 * @lastmodified $Date$
 * @license http://www.opensource.org/licenses/mit-license.php The MIT License
 *
 */

/**
 * Enter description here...
 */
uses('model', 'inflector', 'folder', 'view');

/**
 * Enter description here...
 *
 * @package cake
 * @subpackage cake.libs
 * @since CakePHP v 0.2.9
 *
 */
class Controller extends Object
{
/**
 * Name of the controller.
 *
 * @var unknown_type
 * @access public
 */
   var $name = null;

/**
 * Stores the current URL (for links etc.)
 *
 * @var string Current URL
 */
   var $here = null;

/**
 * Enter description here...
 *
 * @var unknown_type
 * @access public
 */
   var $parent = null;

/**
 * Action to be performed.
 *
 * @var string
 * @access public
 */
   var $action = null;

/**
 * An array of names of models the particular controller wants to use.
 *
 * @var mixed A single name as a string or a list of names as an array.
 * @access protected
 */
   var $uses = false;

/**
 * An array of names of built-in helpers to include.
 *
 * @var mixed A single name as a string or a list of names as an array.
 * @access protected
 */
   var $helpers = array('html');

   var $viewPath;

/**
 * Variables for the view
 *
 * @var array
 * @access private
 */
   var $_viewVars = array();

/**
 * Enter description here...
 *
 * @var boolean
 * @access private
 */
   var $pageTitle = false;

/**
 * An array of model objects.
 *
 * @var array Array of model objects.
 * @access public
 */
   var $models = array();


/**
 * Enter description here...
 *
 * @var unknown_type
 * @access public
 */
   var $base = null;

/**
 * Enter description here...
 *
 * @var string
 * @access public
 */
   var $layout = 'default';

/**
 * Enter description here...
 *
 * @var boolean
 * @access public
 */
   var $autoRender = true;

/**
 * Enter description here...
 *
 * @var boolean
 * @access public
 */
   var $autoLayout = true;


/**
 * Constructor. 
 *
 */
   function __construct ($params=null)
   {
     // parent::__construct();
      $r = null;
      if (!preg_match('/(.*)Controller/i', get_class($this), $r))
      {
         die("Controller::__construct() : Can't get or parse my own class name, exiting.");
      }

      $this->name = strtolower($r[1]);
      $this->viewPath = Inflector::underscore($r[1]);
		
		parent::__construct();
   }
   
	function contructClasses(){
		
				if(empty($this->params['pass']))
				{
				   $id = false;
				}
				else 
				{
					$id = $this->params['pass'];
				}


      $model_class = Inflector::singularize($this->name);

      //Is this needed?
      $this->db = DboFactory::getInstance();

      if (class_exists($model_class) && ($this->uses === false))
      {
         $this->models[$model_class] = new $model_class($id);
      }
      elseif ($this->uses)
      {
         if (!$this->db)
         {
            die("Controller::__construct() : ".$this->name." controller needs database access, exiting.");
         }

         $uses = is_array($this->uses)? $this->uses: array($this->uses);

         foreach ($uses as $model_name)
         {
            $model_class = ucfirst(strtolower($model_name));

            if (class_exists($model_class))
            {
               $this->models[$model_name] = new $model_class($id);
            }
            else
            {
               die("Controller::__construct() : ".ucfirst($this->name)." requires missing model {$model_class}, exiting.");
            }
         }
      }
   }

/**
 * Redirects to given $url, after turning off $this->autoRender.
 *
 * @param unknown_type $url
 */
   function redirect ($url)
   {
      $this->autoRender = false;
      header ('Location: '.$this->base.$url);
   }

/**
 * Saves a variable to use inside a template.
 *
 * @param mixed $one A string or an array of data.
 * @param string $two Value in case $one is a string (which then works as the key), otherwise unused.
 * @return unknown
 */
   function set($one, $two=null)
   {
      return $this->_setArray(is_array($one)? $one: array($one=>$two));
   }

/**
 * Enter description here...
 *
 * @param unknown_type $action
 */
   function setAction ($action)
   {
      $this->action = $action;

      $args = func_get_args();
      call_user_func_array(array(&$this, $action), $args);
   }

/**
 * Returns number of errors in a submitted FORM.
 *
 * @return int Number of errors
 */
   function validate ()
   {
      $args = func_get_args();
      $errors = call_user_func_array(array(&$this, 'validateErrors'), $args);

      return count($errors);
   }

/**
 * Validates a FORM according to the rules set up in the Model.
 *
 * @return int Number of errors
 */
   function validateErrors ()
   {
      $objects = func_get_args();
      if (!count($objects)) return false;

      $errors = array();
      foreach ($objects as $object)
      {
         $errors = array_merge($errors, $object->invalidFields($object->data));
      }

      return $this->validationErrors = (count($errors)? $errors: false);
   }

   function render($action=null, $layout=null, $file=null)
   {
      $view =& View::getInstance();
      $view->_viewVars  =& $this->_viewVars;
      $view->action     =& $this->action;
      $view->autoLayout =& $this->autoLayout;
      $view->autoRender =& $this->autoRender;
      $view->base       =& $this->base;
      $view->helpers    =& $this->helpers;
      $view->here       =& $this->here;
      $view->layout     =& $this->layout;
      $view->models     =& $this->models;
      $view->name       =& $this->name;
      $view->pageTitle  =& $this->pageTitle;
      $view->parent     =& $this->parent;
      $view->viewPath   =& $this->viewPath;
      $view->params     =& $this->params;
      $view->data       =& $this->data;
      
      if(!empty($this->models))
      {
         foreach ($this->models as $key => $value)
         {
            if(!empty($this->models[$key]->validationErrors))
            {
               $view->validationErrors[$key] =& $this->models[$key]->validationErrors;
            }
         }
      }

      return  $view->render($action, $layout, $file);
   }

   function missingController()
   {
      //We are simulating action call below, this is not a filename!
      $this->render('../errors/missingController');
   }

   function missingAction()
   {
      //We are simulating action call below, this is not a filename!
      $this->render('../errors/missingAction');
   }

   function missingView()
   {
      //We are simulating action call below, this is not a filename!
      $this->render('../errors/missingView');
   }

   //   /**
   //    * Displays an error page to the user. Uses layouts/error.html to render the page.
   //    *
   //    * @param int $code Error code (for instance: 404)
   //    * @param string $name Name of the error (for instance: Not Found)
   //    * @param string $message Error message
   //    */
   //      function error ($code, $name, $message)
   //      {
   //         header ("HTTP/1.0 {$code} {$name}");
   //         print ($this->_render(VIEWS.'layouts/error.thtml', array('code'=>$code,'name'=>$name,'message'=>$message)));
   //      }

/**
 * Sets data for this view. Will set title if the key "title" is in given $data array.
 *
 * @param array $data Array of 
 * @access private
 */
   function _setArray($data)
   {
      foreach ($data as $name => $value)
      {
         if ($name == 'title')
         $this->_setTitle($value);
         else
         $this->_viewVars[$name] = $value;
      }
   }

/**
 * Set the title element of the page.
 *
 * @param string $pageTitle Text for the title
 * @access private
 */
   function _setTitle($pageTitle)
   {
      $this->pageTitle = $pageTitle;
   }
   
   function flash($message, $url, $time=1)
   {
      $this->autoRender = false;
      $this->autoLayout = false;

      $this->set('url', $this->base.$url);
      $this->set('message', $message);
      $this->set('time', $time);

      $this->render(null,false,VIEWS.'layouts'.DS.'flash.thtml');
   }
}

?>