private void LoadTree(object jsonData)
{
Nodes.Clear();
if (jsonData is JArray jsonArray)
{
var rootNode = new JsonTreeNode(JsonNodeType.Object, "(root array)");
foreach (JToken jToken in jsonArray)
{
var node = new JsonTreeNode(JsonNodeType.Array, jToken.Type.ToString());
rootNode.Nodes.Add(node);
LoadObject(jToken as JObject, node);
}
TreeNode[] rootNodeArray = new TreeNode[rootNode.Nodes.Count];
rootNode.Nodes.CopyTo(rootNodeArray, 0);
Nodes.Add(rootNode);
SelectedNode = rootNodeArray.First() as JsonTreeNode;
rootNode.ImageKey = rootNode.NodeType.ToString();
rootNode.SelectedImageKey = rootNode.ImageKey;
rootNode.ExpandAll();
}
if (jsonData is JObject json)
{
var rootNode = new JsonTreeNode(JsonNodeType.Object, "(root)");
Nodes.Add(rootNode);
SelectedNode = rootNode;
rootNode.ImageKey = rootNode.NodeType.ToString();
rootNode.SelectedImageKey = rootNode.ImageKey;
LoadObject(json, rootNode);
rootNode.ExpandAll();
}
}
private void LoadArray(JToken value, JsonTreeNode node)
{
foreach (var item in value)
{
AddNode(node, null, item);
}
}
internal static JsonTreeNode CreateNode(string property, JToken item)
{
JsonNodeType type;
string text;
string textWhenSelected = null;
if (item.Type == JTokenType.Object || item.Type == JTokenType.Array)
{
text = property;
textWhenSelected = text;
}
else
{
type = JsonNodeType.Value;
string value = item.ToString();
text = property == null ?
value :
string.Format($"{property}: {value}");
textWhenSelected = string.Format($"{text} (type: {item.Type})");
}
type = item.Type == JTokenType.Object ? JsonNodeType.Object :
item.Type == JTokenType.Array ? JsonNodeType.Array :
JsonNodeType.Value;
var node = new JsonTreeNode(type, text, textWhenSelected)
{
ImageKey = item.Type.ToString()
};
node.SelectedImageKey = node.ImageKey;
return(node);
}
private void LoadObject(JObject obj, JsonTreeNode node)
{
if (obj is null)
{
return;
}
foreach (var item in obj)
{
AddNode(node, item.Key, item.Value);
}
}
private void AddNode(JsonTreeNode parentNode, string property, JToken item)
{
var node = JsonTreeNodeCreator.CreateNode(property, item);
parentNode.Nodes.Add(node);
if (item.Type == JTokenType.Array)
{
LoadArray(item, node);
}
if (item.Type == JTokenType.Object)
{
LoadObject(item as JObject, node);
}
}
