//collapse current node
public void GetParentNodeTOCListByNodeID(int tocNodeID)
{
if (TOCNodeList == null)
{
return;
}
if (tocNodeID >= TOCNodeList.Count)
{
Console.WriteLine("GetParentNodeTOCListByNodeID node{0} error", tocNodeID);
return;
}
TOCNode parentNode = TOCNodeList [tocNodeID].ParentNode;
if (parentNode == null || parentNode.NodeLevel == 0)
{
if (TOCNodeList.Count > 0)
{
TOCNodeList.Clear();
}
TOCNodeList.AddRange(RootNodeList);
}
else
{
List <TOCNode> nodeList = new List <TOCNode> (0);
nodeList.AddRange(parentNode.ChildNodes);
if (nodeList != null)
{
if (TOCNodeList.Count > 0)
{
TOCNodeList.RemoveAll(item => item != null);
}
TOCNodeList = nodeList;
}
}
if (TOCNodeList.Any())
{
CurrentLevel = TOCNodeList [0].NodeLevel;
}
UpdateTOCNodeListAndRefreshTableView();
}
//expand current node
public void GetSubNodeTOCListByNodeID(int tocNodeID)
{
if (tocNodeID >= TOCNodeList.Count)
{
Console.WriteLine("GetSubNodeTOCListByNodeID node{0} error", tocNodeID);
return;
}
List <TOCNode> subNodeList = new List <TOCNode> (0);
subNodeList.AddRange(TOCNodeList [tocNodeID].ChildNodes);
if (subNodeList != null)
{
if (TOCNodeList.Count > 0)
{
TOCNodeList.RemoveAll(item => item != null);
}
TOCNodeList = subNodeList;
CurrentLevel = TOCNodeList [0].NodeLevel;
UpdateTOCNodeListAndRefreshTableView();
}
}