public static bool IsExpandedNode(NodeViewData nvd)
{
Debug.Check(nvd != null && nvd.Node != null);
if (nvd != null && nvd.Node != null)
{
bool defaultExpanded = !(nvd.Node is Nodes.ReferencedBehavior);
if (defaultExpanded)
{
//if there is a leaf node, collapse it
foreach (NodeViewData child in nvd.Children)
{
if (!child.CanBeExpanded())
{
//leaf node can't be expanded, there is a leaf node!
defaultExpanded = false;
break;
}
}
}
Nodes.Behavior behavior = nvd.Node.Behavior as Nodes.Behavior;
if (behavior != null)
{
behavior = behavior.GetTopBehavior();
}
string filename = (behavior != null) && !string.IsNullOrEmpty(behavior.Filename) ? behavior.RelativePath : string.Empty;
if (!string.IsNullOrEmpty(filename) && _expandedNodeDict.ContainsKey(filename))
{
Dictionary <string, ExpandedDatum> expandedNodes = _expandedNodeDict[filename];
string id = nvd.FullId;
if (!expandedNodes.ContainsKey(id))
{
return(defaultExpanded);
}
return(expandedNodes[id].isExpanded);
}
else
{
//defaultExpanded = true;
}
return(defaultExpanded);
}
return(false);
}
public static bool IsExpandedConnector(NodeViewData nvd, string connector)
{
Debug.Check(nvd != null && nvd.Node != null);
Nodes.Behavior behavior = nvd.Node.Behavior as Nodes.Behavior;
if (behavior != null)
{
behavior = behavior.GetTopBehavior();
}
string filename = (behavior != null) && !string.IsNullOrEmpty(behavior.Filename) ? behavior.RelativePath : string.Empty;
return(IsExpandedConnector(filename, nvd.Node.Id.ToString(), connector));
}
public static bool SetExpandedConnector(NodeViewData nvd, string connector, bool isConnectorExpanded)
{
Debug.Check(nvd != null && nvd.Node != null);
Nodes.Behavior behavior = nvd.Node.Behavior as Nodes.Behavior;
if (behavior != null)
{
behavior = behavior.GetTopBehavior();
}
if (behavior != null && !string.IsNullOrEmpty(behavior.Filename))
{
return(SetExpandedConnector(behavior.RelativePath, nvd.Node.Id.ToString(), connector, isConnectorExpanded));
}
return(false);
}
public static bool HasSetExpandedNodes(NodeViewData nvd)
{
Debug.Check(nvd != null && nvd.Node != null);
Nodes.Behavior behavior = nvd.Node.Behavior as Nodes.Behavior;
if (behavior != null)
{
behavior = behavior.GetTopBehavior();
}
string filename = (behavior != null) && !string.IsNullOrEmpty(behavior.Filename) ? behavior.RelativePath : string.Empty;
if (!string.IsNullOrEmpty(filename) && _expandedNodeDict.ContainsKey(filename))
{
return(true);
}
return(false);
}
public static bool SetExpandedNode(NodeViewData nvd, bool isExpanded)
{
Debug.Check(nvd != null && nvd.Node != null);
Nodes.Behavior b = nvd.Node.Behavior as Nodes.Behavior;
if (b != null)
{
b = b.GetTopBehavior();
Debug.Check(b != null);
if (!string.IsNullOrEmpty(b.Filename))
{
return(SetExpandedNode(b.RelativePath, nvd.FullId, isExpanded));
}
}
return(false);
}