ControlGroup::add() validation fixed; typos

Author: dg

src/Forms/ControlGroup.php

@@ -31,27 +31,26 @@ public function __construct()
 	/**
 	 * @return self
 	 */
-	public function add()
+	public function add(...$items)
 	{
-		foreach (func_get_args() as $num => $item) {
+		foreach ($items as $item) {
 			if ($item instanceof IControl) {
 				$this->controls->attach($item);
 
 			} elseif ($item instanceof \Traversable || is_array($item)) {
-				foreach ($item as $control) {
-					$this->controls->attach($control);
-				}
+				$this->add(...$item);
 
 			} else {
-				throw new Nette\InvalidArgumentException("Only IFormControl items are allowed, the #$num parameter is invalid.");
+				$type = is_object($item) ? get_class($item) : gettype($item);
+				throw new Nette\InvalidArgumentException("IControl items expected, $type given.");
 			}
 		}
 		return $this;
 	}
 
 
 	/**
-	 * @return array IFormControl
+	 * @return IControl[]
 	 */
 	public function getControls()
 	{

src/Forms/Controls/BaseControl.php

@@ -134,7 +134,7 @@ public function getHtmlName()
 	}
 
 
-	/********************* interface IFormControl ****************d*g**/
+	/********************* interface IControl ****************d*g**/
 
 
 	/**