TextBase: added setNullable()

Author: dg

src/Forms/Controls/TextBase.php

@@ -23,6 +23,9 @@ abstract class TextBase extends BaseControl
 	/** @var mixed unfiltered submitted value */
 	protected $rawValue = '';
 
+	/** @var bool */
+	private $nullable;
+
 
 	/**
 	 * Sets control's value.
@@ -48,7 +51,19 @@ public function setValue($value)
 	 */
 	public function getValue()
 	{
-		return $this->value;
+		return $this->nullable && $this->value === '' ? NULL : $this->value;
+	}
+
+
+	/**
+	 * Sets whether getValue() returns NULL instead of empty string.
+	 * @param  bool
+	 * @return self
+	 */
+	public function setNullable($value = TRUE)
+	{
+		$this->nullable = (bool) $value;
+		return $this;
 	}
 
 

tests/Forms/Controls.TextArea.render.phpt

@@ -106,3 +106,14 @@ test(function () { // setEmptyValue
 
 	Assert::same('<textarea name="text" id="frm-text" data-nette-empty-value="empty">empty </textarea>', (string) $input->getControl());
 });
+
+
+test(function () { // setEmptyValue & setNullable
+	$form = new Form;
+	$input = $form->addTextArea('text')
+		->setEmptyValue('empty ')
+		->setNullable();
+
+	Assert::null($input->getValue());
+	Assert::same('<textarea name="text" id="frm-text" data-nette-empty-value="empty">empty </textarea>', (string) $input->getControl());
+});

tests/Forms/Controls.TextInput.render.phpt

@@ -163,6 +163,26 @@ test(function () { // setEmptyValue
 });
 
 
+test(function () { // setNullable
+	$form = new Form;
+	$input = $form->addText('text')
+		->setNullable();
+
+	Assert::null($input->getValue());
+});
+
+
+test(function () { // setEmptyValue & setNullable
+	$form = new Form;
+	$input = $form->addText('text')
+		->setEmptyValue('empty ')
+		->setNullable();
+
+	Assert::null($input->getValue());
+	Assert::same('<input type="text" name="text" id="frm-text" data-nette-empty-value="empty" value="empty ">', (string) $input->getControl());
+});
+
+
 test(function () { // setDefaultValue
 	$form = new Form;
 	$input = $form->addText('text')