Adds an option to disable the data collector (#73)

* Adds an option to disable the data collector

* Fixing style violation

Author: iainmckay

src/DependencyInjection/CacheExtension.php

@@ -57,7 +57,11 @@ public function load(array $configs, ContainerBuilder $container)
         $this->registerServices($container, $config);
 
         // Add toolbar and data collector if we are debuging
-        if ($container->getParameter('kernel.debug')) {
+        if (!isset($config['data_collector']['enabled'])) {
+            $config['data_collector']['enabled'] = $container->getParameter('kernel.debug');
+        }
+
+        if ($config['data_collector']['enabled']) {
             $loader->load('data-collector.yml');
         }
 

src/DependencyInjection/Configuration.php

@@ -40,6 +40,7 @@ public function getConfigTreeBuilder()
             ->append($this->addSerializerSection())
             ->append($this->addValidationSection())
             ->append($this->addLoggingSection())
+            ->append($this->addDataCollectorSection())
             ->end();
 
         return $treeBuilder;
@@ -236,4 +237,20 @@ private function addRouterSection()
 
         return $node;
     }
+
+    /**
+     * @return ArrayNodeDefinition
+     */
+    private function addDataCollectorSection()
+    {
+        $tree = new TreeBuilder();
+        $node = $tree->root('data_collector');
+
+        $node
+            ->children()
+                ->booleanNode('enabled')->end()
+            ->end();
+
+        return $node;
+    }
 }