1: <?php
  2: /**
  3:  * PHP version 5
  4:  * @package    generalDriver
  5:  * @author     Christian Schiffler <c.schiffler@cyberspectrum.de>
  6:  * @author     Stefan Heimes <stefan_heimes@hotmail.com>
  7:  * @author     Tristan Lins <tristan.lins@bit3.de>
  8:  * @copyright  The MetaModels team.
  9:  * @license    LGPL.
 10:  * @filesource
 11:  */
 12: 
 13: namespace DcGeneral\Contao\Dca\Populator;
 14: 
 15: use DcGeneral\Contao\Dca\Definition\ExtendedDca;
 16: use DcGeneral\Controller\ControllerInterface;
 17: use DcGeneral\EnvironmentInterface;
 18: use DcGeneral\EnvironmentPopulator\AbstractEventDrivenEnvironmentPopulator;
 19: use DcGeneral\View\ViewInterface;
 20: 
 21: /**
 22:  * Class ExtendedLegacyDcaPopulator.
 23:  *
 24:  * This class only populates the environment with the extended information available via the ExtendedDca data definition
 25:  * section.
 26:  *
 27:  * @package DcGeneral\Contao\Dca\Populator
 28:  */
 29: class ExtendedLegacyDcaPopulator extends AbstractEventDrivenEnvironmentPopulator
 30: {
 31:     const PRIORITY = 100;
 32: 
 33:     /**
 34:      * Create a view instance in the environment if none has been defined yet.
 35:      *
 36:      * @param EnvironmentInterface $environment The environment to populate.
 37:      *
 38:      * @return void
 39:      *
 40:      * @internal
 41:      */
 42:     protected function populateView(EnvironmentInterface $environment)
 43:     {
 44:         // Already populated, get out then.
 45:         if ($environment->getView())
 46:         {
 47:             return;
 48:         }
 49: 
 50:         $definition = $environment->getDataDefinition();
 51: 
 52:         // If we encounter an extended definition, that one may override.
 53:         if (!$definition->hasDefinition(ExtendedDca::NAME))
 54:         {
 55:             return;
 56:         }
 57: 
 58:         /** @var ExtendedDca $extendedDefinition */
 59:         $extendedDefinition = $definition->getDefinition(ExtendedDca::NAME);
 60:         $class              = $extendedDefinition->getViewClass();
 61: 
 62:         if (!$class)
 63:         {
 64:             return;
 65:         }
 66: 
 67:         $viewClass = new \ReflectionClass($class);
 68: 
 69:         /** @var ViewInterface $view */
 70:         $view = $viewClass->newInstance();
 71: 
 72:         $view->setEnvironment($environment);
 73:         $environment->setView($view);
 74:     }
 75: 
 76:     /**
 77:      * Create a controller instance in the environment if none has been defined yet.
 78:      *
 79:      * @param EnvironmentInterface $environment The environment to populate.
 80:      *
 81:      * @return void
 82:      *
 83:      * @internal
 84:      */
 85:     public function populateController(EnvironmentInterface $environment)
 86:     {
 87:         // Already populated, get out then.
 88:         if ($environment->getController())
 89:         {
 90:             return;
 91:         }
 92: 
 93:         $definition = $environment->getDataDefinition();
 94: 
 95:         // If we encounter an extended definition, that one may override.
 96:         if (!$definition->hasDefinition(ExtendedDca::NAME))
 97:         {
 98:             return;
 99:         }
100: 
101:         /** @var ExtendedDca $extendedDefinition */
102:         $extendedDefinition = $definition->getDefinition(ExtendedDca::NAME);
103:         $class              = $extendedDefinition->getControllerClass();
104: 
105:         if (!$class)
106:         {
107:             return;
108:         }
109: 
110:         $controllerClass = new \ReflectionClass($class);
111: 
112:         /** @var ControllerInterface $controller */
113:         $controller = $controllerClass->newInstance();
114: 
115:         $controller->setEnvironment($environment);
116:         $environment->setController($controller);
117:     }
118: 
119:     /**
120:      * {@inheritDoc}
121:      */
122:     public function populate(EnvironmentInterface $environment)
123:     {
124:         $this->populateView($environment);
125:         $this->populateController($environment);
126:     }
127: }
128: