view overriding in application

Author: ZAYEC77

src/Module.php

@@ -6,6 +6,7 @@
 use yii\base\BootstrapInterface;
 use yii\base\Module as BaseModule;
 use yii\console\Application as ConsoleApplication;
+use yii\web\Application as WebApplication;
 
 /**
  * @author    Dmytro Karpovych
@@ -28,11 +29,15 @@ public static function getRootDir()
      */
     public function bootstrap($app)
     {
+        if ($app instanceof WebApplication) {
+            $app->setComponents([
+                'view' => ['class' => 'nullref\core\components\View'],
+            ]);
+        }
         if ($app instanceof ConsoleApplication) {
             $app->controllerMap['module'] = [
                 'class' => 'nullref\core\console\ModuleController',
             ];
         }
     }
-
 }

src/components/View.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * @author    Dmytro Karpovych
+ * @copyright 2015 NRE
+ * @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ */
+
+namespace nullref\core\components;
+
+use Yii;
+use yii\base\InvalidCallException;
+use yii\base\ViewContextInterface;
+use yii\web\View as BaseView;
+
+class View extends BaseView
+{
+    protected function findViewFile($view, $context = null)
+    {
+        if (strncmp($view, '@', 1) === 0) {
+            // e.g. "@app/views/main"
+            $file = Yii::getAlias($view);
+        } elseif (strncmp($view, '//', 2) === 0) {
+            // e.g. "//layouts/main"
+            $file = Yii::$app->getViewPath() . DIRECTORY_SEPARATOR . ltrim($view, '/');
+        } elseif (strncmp($view, '/', 1) === 0) {
+            // e.g. "/site/index"
+            if (Yii::$app->controller !== null) {
+                $file = Yii::$app->controller->module->getViewPath() . DIRECTORY_SEPARATOR . ltrim($view, '/');
+            } else {
+                throw new InvalidCallException("Unable to locate view file for view '$view': no active controller.");
+            }
+        } elseif ($context instanceof ViewContextInterface) {
+            $file = $context->getViewPath() . DIRECTORY_SEPARATOR . $view;
+            if (Yii::$app->controller !== null) {
+                $newFile = Yii::getAlias('@app/modules/'
+                    . Yii::$app->controller->module->uniqueId
+                    . '/views/' . Yii::$app->controller->id
+                    . '/' . $view . '.' . $this->defaultExtension);
+                if (file_exists($newFile)) {
+                    $file = $newFile;
+                }
+            }
+        } elseif (($currentViewFile = $this->getViewFile()) !== false) {
+            $file = dirname($currentViewFile) . DIRECTORY_SEPARATOR . $view;
+        } else {
+            throw new InvalidCallException("Unable to resolve view file for view '$view': no active view context.");
+        }
+
+        if (pathinfo($file, PATHINFO_EXTENSION) !== '') {
+            return $file;
+        }
+        $path = $file . '.' . $this->defaultExtension;
+        if ($this->defaultExtension !== 'php' && !is_file($path)) {
+            $path = $file . '.php';
+        }
+
+        return $path;
+    }
+
+}