deserialize method
Deserializes the FML template elements, attributes and children
Implementation
@override
void deserialize(XmlElement xml) {
// deserialize
super.deserialize(xml);
// Set treeview
treeview = findAncestorOfExactType(TreeModel);
// properties
icon = Xml.get(node: xml, tag: 'icon');
expandedicon = Xml.get(node: xml, tag: 'expandedicon');
label = Xml.get(node: xml, tag: 'label');
expanded = Xml.get(node: xml, tag: 'expanded') ?? false;
onclick = Xml.get(node: xml, tag: 'onclick');
selected = Xml.get(node: xml, tag: 'selected') ?? false;
}