SelectBox: it is checked that value is non-empty only if selectbox has any options [Closes #5]

Author: Sebosek

src/Forms/Controls/SelectBox.php

@@ -104,7 +104,7 @@ public function getControl()
 	public function validate()
 	{
 		parent::validate();
-		if (!$this->isDisabled() && $this->prompt === FALSE && $this->getValue() === NULL) {
+		if (!$this->isDisabled() && $this->prompt === FALSE && $this->getValue() === NULL && $this->options) {
 			$this->addError(Nette\Forms\Validator::$messages[self::VALID]);
 		}
 	}

tests/Forms/Controls.SelectBox.loadData.phpt

@@ -41,6 +41,19 @@ test(function() use ($series) { // Select
 });
 
 
+test(function() use ($series) { // Empty select
+	$_POST = array('select' => 'red-dwarf');
+
+	$form = new Form;
+	$input = $form->addSelect('select');
+
+	Assert::true( $form->isValid() );
+	Assert::same( NULL, $input->getValue() );
+	Assert::same( NULL, $input->getSelectedItem() );
+	Assert::false( $input->isFilled() );
+});
+
+
 test(function() use ($series) { // Select with prompt
 	$_POST = array('select' => 'red-dwarf');