DetailviewExtensionHook: provide the concrete implementation's module

refs #2949

library/Icinga/Application/ClassLoader.php

@@ -174,7 +174,7 @@ class ClassLoader
      *
      * @return string
      */
-    protected function extractModuleName($class)
+    public static function extractModuleName($class)
     {
         return lcfirst(
             substr(
@@ -194,7 +194,7 @@ class ClassLoader
      *
      * @return boolean
      */
-    protected function classBelongsToModule($class)
+    public static function classBelongsToModule($class)
     {
         return substr($class, 0, self::MODULE_PREFIX_LENGTH) === self::MODULE_PREFIX;
     }

modules/monitoring/library/Monitoring/Hook/DetailviewExtensionHook.php

@@ -3,6 +3,9 @@
 
 namespace Icinga\Module\Monitoring\Hook;
 
+use Icinga\Application\ClassLoader;
+use Icinga\Application\Icinga;
+use Icinga\Application\Modules\Module;
 use Icinga\Module\Monitoring\Object\MonitoredObject;
 use Icinga\Web\View;
 
@@ -20,6 +23,13 @@ abstract class DetailviewExtensionHook
      */
     private $view;
 
+    /**
+     * The module of the derived class
+     *
+     * @var Module
+     */
+    private $module;
+
     /**
      * Create a new hook
      *
@@ -68,4 +78,35 @@ abstract class DetailviewExtensionHook
         $this->view = $view;
         return $this;
     }
+
+    /**
+     * Get the module of the derived class
+     *
+     * @return Module
+     */
+    public function getModule()
+    {
+        if ($this->module === null) {
+            $class = get_class($this);
+            if (ClassLoader::classBelongsToModule($class)) {
+                $this->module = Icinga::app()->getModuleManager()->getModule(ClassLoader::extractModuleName($class));
+            }
+        }
+
+        return $this->module;
+    }
+
+    /**
+     * Set the module of the derived class
+     *
+     * @param Module $module
+     *
+     * @return $this
+     */
+    public function setModule(Module $module)
+    {
+        $this->module = $module;
+
+        return $this;
+    }
 }