void WriteTo(XmlWriter writer, ExtensibleTreeView.TreeOptions parentOptions)
{
writer.WriteStartElement(Node);
if (NodeName != null)
{
writer.WriteAttributeString(nameAttribute, NodeName);
}
if (Expanded)
{
writer.WriteAttributeString(expandedAttribute, bool.TrueString);
}
if (Selected)
{
writer.WriteAttributeString(selectedAttribute, bool.TrueString);
}
ExtensibleTreeView.TreeOptions ops = Options;
if (ops != null)
{
foreach (DictionaryEntry de in ops)
{
object parentVal = parentOptions != null ? parentOptions [de.Key] : null;
if (parentVal != null && !parentVal.Equals(de.Value) || (parentVal == null && de.Value != null) || parentOptions == null)
{
writer.WriteStartElement("Option");
writer.WriteAttributeString("id", de.Key.ToString());
writer.WriteAttributeString("value", de.Value.ToString());
writer.WriteEndElement(); // Option
}
}
}
if (ChildrenState != null)
{
foreach (NodeState ces in ChildrenState)
{
ces.WriteTo(writer, Options != null ? Options : parentOptions);
}
}
writer.WriteEndElement(); // NodeState
}
static NodeState SaveStateRec(ExtensibleTreeView pad, ITreeNavigator nav)
{
List <NodeState> childrenState = null;
if (nav.Filled && nav.MoveToFirstChild())
{
do
{
NodeState cs = SaveStateRec(pad, nav);
if (cs != null)
{
cs.NodeName = nav.NodeName;
if (childrenState == null)
{
childrenState = new List <NodeState> ();
}
childrenState.Add(cs);
}
} while (nav.MoveNext());
nav.MoveToParent();
}
ExtensibleTreeView.TreeOptions ops = pad.GetNodeOptions(nav);
if (ops != null || nav.Expanded || childrenState != null || nav.Selected)
{
NodeState es = new NodeState();
es.Expanded = nav.Expanded;
es.Selected = nav.Selected;
es.Options = ops;
es.ChildrenState = childrenState;
return(es);
}
else
{
return(null);
}
}
ICustomXmlSerializer ReadFrom(XmlReader reader, ExtensibleTreeView.TreeOptions parentOptions)
{
NodeState result = new NodeState();
result.NodeName = reader.GetAttribute(nameAttribute);
if (!String.IsNullOrEmpty(reader.GetAttribute(expandedAttribute)))
{
result.Expanded = Boolean.Parse(reader.GetAttribute(expandedAttribute));
}
if (!String.IsNullOrEmpty(reader.GetAttribute(selectedAttribute)))
{
result.Selected = Boolean.Parse(reader.GetAttribute(selectedAttribute));
}
XmlReadHelper.ReadList(reader, reader.LocalName, delegate() {
switch (reader.LocalName)
{
case "Option":
if (result.Options == null)
{
result.Options = parentOptions != null ? parentOptions.CloneOptions(Gtk.TreeIter.Zero) : new ExtensibleTreeView.TreeOptions();
}
result.Options [reader.GetAttribute("id")] = bool.Parse(reader.GetAttribute("value"));
return(true);
case "Node":
if (result.ChildrenState == null)
{
result.ChildrenState = new List <NodeState> ();
}
result.ChildrenState.Add((NodeState)ReadFrom(reader, result.Options != null ? result.Options : parentOptions));
return(true);
}
return(false);
});
return(result);
}
