deserialize method
Deserializes the FML template elements, attributes and children
Implementation
@override
void deserialize(XmlElement xml)
{
// deserialize
super.deserialize(xml);
// properties
ratio = Xml.get(node: xml, tag: 'ratio');
dividerColor = Xml.get(node: xml, tag: 'dividercolor');
dividerWidth = Xml.get(node: xml, tag: 'dividerwidth');
dividerHandleColor = Xml.get(node: xml, tag: 'dividerhandlecolor');
// remove non view children
children?.removeWhere((element) => element is! BoxModel);
}