public JSONTreeNode Find(List <JSONTreeNode> sourceList, string id)
{
JSONTreeNode result = null;
result = sourceList.Find(n => n.ID == id);
if (result == null)
{
foreach (JSONTreeNode child in sourceList)
{
result = child.Find(id);
if (result != null)
{
break;
}
else if (child.Nodes.Count > 0)
{
result = Find(child.Nodes, id);
if (result != null)
{
break;
}
}
}
}
return(result);
}
public void ClearNodes(string pid)
{
JSONTreeNode node = this;
if (node.ID != pid)
{
node = this.Nodes.Find(n => n.ID == pid);
}
if (node != null)
{
node.Nodes.Clear();
}
}
private void ModifyTempNodes()
{
int currentCount = this.TempNodes.Count;
JSONTreeNode[] nodes = new JSONTreeNode[currentCount];
this.TempNodes.CopyTo(nodes);
foreach (JSONTreeNode item in nodes)
{
AppendNode(item.ParentID, item.ID, item.Title, item.IsExpand, item.ShowCheckBox, item.CheckedSign);
}
if (currentCount != this.TempNodes.Count)
{
ModifyTempNodes();
}
}
public void AppendNode(string pid, string id, string title, string value, bool isExpand, bool showCheckBox, int checkedSign)
{
JSONTreeNode node = this;
if (node.ID != pid)
{
node = this.Find(pid);
}
if (node == null)
{
if (this.TempNodes.Find(n => n.ID == id) != null)
{
return;
}
// 若父节点为空，把此节点放入临时节点集合里
node = new JSONTreeNode(id, title, isExpand, showCheckBox);
if (showCheckBox)
{
node.CheckedSign = checkedSign;
}
node.ParentID = pid;
node.Value = value;
this.TempNodes.Add(node);
}
else
{
//若存在此ID的节点，更新节点信息
JSONTreeNode child = this.Find(id);
if (child == null)
{
child = new JSONTreeNode(id, title, isExpand, showCheckBox);
if (showCheckBox && checkedSign > 0)
{
child.CheckedSign = checkedSign;
}
child.Value = value;
node.Nodes.Add(child);
this.TempNodes.RemoveAll(n => n.ID == id);
}
else
{
child.Title = title;
child.IsExpand = isExpand;
}
node.HasChild = true;
node.Loaded = true;
}
}
public static string ToString(JSONTreeNode node)
{
return(string.Format("[{0}]", node.ToString()));
}
public JSONTree(string id, string title)
{
this.Root = new JSONTreeNode(id, title, true);
}