Add disable() to Element

Author: Dmitry Drozd

src/Form.php

@@ -117,8 +117,7 @@ public function disableIfNeeded()
         {
             foreach ($this->elements as $element)
             {
-                $element->setDisabled(true)
-                        ->setIgnored(true);
+                $element->disable();
             }
         }
     }

src/Form/Element.php

@@ -67,14 +67,22 @@ public static function prepareElementName($name)
         return $result;
     }
 
+    public function disable($bool = true)
+    {
+        $this->setDisabled($bool)
+             ->setIgnored($bool);
+
+        return $this;
+    }
+
     public function setIgnored($isIgnored)
     {
         $this->isIgnored = $isIgnored;
 
         return $this;
     }
 
-    public function setDisabled($isDisabled = true)
+    public function setDisabled($isDisabled)
     {
         $this->isDisabled = $isDisabled;