1 files changed, 29 insertions, 0 deletions
diff --git a/framework/Web/UI/WebControls/TRequiredFieldValidator.php b/framework/Web/UI/WebControls/TRequiredFieldValidator.php
new file mode 100644
index 00000000..b30de607
--- /dev/null
+++ b/framework/Web/UI/WebControls/TRequiredFieldValidator.php
@@ -0,0 +1,29 @@
+<?php
+
+class TRequiredFieldValidator extends TBaseValidator
+{
+	public function getInitialValue()
+	{
+		$this->getViewState('InitialValue','');
+	}
+
+	public function setInitialValue($value)
+	{
+		$this->setViewState('InitialValue',TPropertyValue::ensureString($value),'');
+	}
+
+	protected function evaluateIsValid()
+	{
+		$value=$this->getValidationValue($this->getValidationTarget());
+		return trim($value)!==trim($this->getInitialValue());
+	}
+
+	protected function getClientScriptOptions()
+	{
+		$options = parent::getClientScriptOptions();
+		$options['initialvalue']=$this->getInitialValue();
+		return $options;
+	}
+}
+
+?>
+\ No newline at end of file