deserialize method

Implementation

@override
void deserialize(XmlElement xml)
{
  // deserialize
  super.deserialize(xml);

  // properties
  marginTop    = Xml.get(node: xml, tag: 'top');
  marginRight  = Xml.get(node: xml, tag: 'right');
  marginBottom = Xml.get(node: xml, tag: 'bottom');
  marginLeft   = Xml.get(node: xml, tag: 'left');

  var all = Xml.get(node: xml, tag: 'all');
  if (all != null)
  {
    marginTop=all;
    marginRight=all;
    marginBottom=all;
    marginLeft=all;
  }

  var horizontal = Xml.get(node: xml, tag: 'horizontal') ?? Xml.get(node: xml, tag: 'hor');
  if (horizontal != null)
  {
   marginRight=horizontal;
   marginLeft=horizontal;
  }

  var vertical = Xml.get(node: xml, tag: 'vertical') ?? Xml.get(node: xml, tag: 'ver');
  if (vertical != null)
  {
    marginTop=vertical;
    marginBottom=vertical;
  }
}