deserialize method

Implementation

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

  // set constraints
  _modelConstraints.minWidth =
      S.toDouble(Xml.get(node: xml, tag: 'minwidth'));
  _modelConstraints.maxWidth =
      S.toDouble(Xml.get(node: xml, tag: 'maxwidth'));
  _modelConstraints.minHeight =
      S.toDouble(Xml.get(node: xml, tag: 'minheight'));
  _modelConstraints.maxHeight =
      S.toDouble(Xml.get(node: xml, tag: 'maxheight'));

  // properties
  visible   = Xml.get(node: xml, tag: 'visible');
  enabled   = Xml.get(node: xml, tag: 'enabled');
  width     = Xml.get(node: xml, tag: 'width');
  height    = Xml.get(node: xml, tag: 'height');
  halign    = Xml.get(node: xml, tag: 'halign');
  valign    = Xml.get(node: xml, tag: 'valign');
  onscreen  = Xml.get(node: xml, tag: 'onscreen');
  offscreen = Xml.get(node: xml, tag: 'offscreen');

  // view requires a VisibilityDetector if either onstage or offstage is set or
  // someone is bound to my visibility
  _needsVisibilityDetector = !S.isNullOrEmpty(onscreen) || !S.isNullOrEmpty(offscreen) ||
          WidgetModel.isBound(this, Binding.toKey(id, 'visiblearea')) ||
          WidgetModel.isBound(this, Binding.toKey(id, 'visibleheight')) ||
          WidgetModel.isBound(this, Binding.toKey(id, 'visiblewidth'));

  // pad is always defined as an attribute. PAD as an element name is the PADDING widget
  _paddings = Xml.attribute(node: xml, tag: 'pad');

  // tip
  List<TooltipModel> tips = findChildrenOfExactType(TooltipModel).cast<TooltipModel>();
  if (tips.isNotEmpty)
  {
    tipModel = tips.first;
    removeChildrenOfExactType(TooltipModel);
  }

  // add animations
  children?.forEach((child)
  {
    if (child is AnimationModel)
    {
      if (animations == null) animations = [];
      animations!.add(child);
    }
  });

  // remove animations from child list
  if (animations != null) children?.removeWhere((element) => animations!.contains(element));
}