public void RestoreState(NodeState state)
{
AssertIsValid ();
NodeState.RestoreState (pad, this, state);
}
public void RestoreState (NodeState state)
{
NodeState.RestoreState (tree, this, state);
}
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;
}
internal static void RestoreState (ExtensibleTreeView pad, ITreeNavigator nav, NodeState es)
{
if (es == null)
return;
if (es.Options != null)
pad.SetNodeOptions (nav, es.Options);
pad.ResetState (nav);
nav.Expanded = es.Expanded;
if (es.ChildrenState != null) {
foreach (NodeState ces in es.ChildrenState) {
if (nav.MoveToChild (ces.NodeName, null)) {
RestoreState (pad, nav, ces);
nav.MoveToParent ();
}
}
}
if (es.Selected)
nav.Selected = true;
}
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;
}
ICustomXmlSerializer ReadFrom (XmlReader reader)
{
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 = new Dictionary<string, bool> ();
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));
return true;
}
return false;
});
return result;
}
public NodeState SaveState()
{
AssertIsValid();
return(NodeState.SaveState(pad, this));
}
public void RestoreState(NodeState state)
{
NodeState.RestoreState(tree, this, state);
}
public NodeState SaveState()
{
return(NodeState.SaveState(tree, this));
}
