interface/modules/zend_modules/library/Zend/Mvc/View/Console/CreateViewModelListener.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright  Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license    http://framework.zend.com/license/new-bsd     New BSD License
   8  */
   9
  10 namespace Zend\Mvc\View\Console;
  11
  12 use Zend\EventManager\AbstractListenerAggregate;
  13 use Zend\EventManager\EventManagerInterface as Events;
  14 use Zend\Mvc\MvcEvent;
  15 use Zend\Stdlib\ArrayUtils;
  16 use Zend\View\Model\ConsoleModel;
  17
  18 class CreateViewModelListener extends AbstractListenerAggregate
  19 {
  20     /**
  21      * {@inheritDoc}
  22      */
  23     public function attach(Events $events)
  24     {
  25         $this->listeners[] = $events->attach(MvcEvent::EVENT_DISPATCH, array($this, 'createViewModelFromString'), -80);
  26         $this->listeners[] = $events->attach(MvcEvent::EVENT_DISPATCH, array($this, 'createViewModelFromArray'),  -80);
  27         $this->listeners[] = $events->attach(MvcEvent::EVENT_DISPATCH, array($this, 'createViewModelFromNull'),   -80);
  28     }
  29
  30     /**
  31      * Inspect the result, and cast it to a ViewModel if a string is detected
  32      *
  33      * @param MvcEvent $e
  34      * @return void
  35     */
  36     public function createViewModelFromString(MvcEvent $e)
  37     {
  38         $result = $e->getResult();
  39         if (!is_string($result)) {
  40             return;
  41         }
  42
  43         // create Console model
  44         $model = new ConsoleModel;
  45
  46         // store the result in a model variable
  47         $model->setVariable(ConsoleModel::RESULT, $result);
  48         $e->setResult($model);
  49     }
  50
  51     /**
  52      * Inspect the result, and cast it to a ViewModel if an assoc array is detected
  53      *
  54      * @param  MvcEvent $e
  55      * @return void
  56      */
  57     public function createViewModelFromArray(MvcEvent $e)
  58     {
  59         $result = $e->getResult();
  60         if (!ArrayUtils::hasStringKeys($result, true)) {
  61             return;
  62         }
  63
  64         $model = new ConsoleModel($result);
  65         $e->setResult($model);
  66     }
  67
  68     /**
  69      * Inspect the result, and cast it to a ViewModel if null is detected
  70      *
  71      * @param MvcEvent $e
  72      * @return void
  73     */
  74     public function createViewModelFromNull(MvcEvent $e)
  75     {
  76         $result = $e->getResult();
  77         if (null !== $result) {
  78             return;
  79         }
  80
  81         $model = new ConsoleModel;
  82         $e->setResult($model);
  83     }
  84 }