Customer portal : Added support for demo mode

SVN:trunk[4159]

sources/form/form.class.inc.php

@@ -425,6 +425,21 @@ class Form
 		return $bRet;
 	}
 
+	/**
+	 * Forces the form to a read only state by setting read only to true on all its fields
+	 * 
+	 * @return \Combodo\iTop\Form\Form
+	 */
+	public function MakeReadOnly()
+	{
+		foreach ($this->GetFields() as $oField)
+		{
+			$oField->SetReadOnly(true);
+		}
+
+		return $this;
+	}
+
 	/**
 	 * @param $sFormPath
 	 * @return Form|null