/// <summary>
/// Fill chieds
/// </summary>
/// <param name="collection">Form collection</param>
/// <param name="level">Level in path</param>
/// <param name="formKey">Form collection element key</param>
/// <param name="path">Form collection element path</param>
/// <param name="parentNode">Filling parent node</param>
private static void FillCollection(FormCollection collection, int level, string formKey, string[] path, FormTreeCollection parentNode)
{
bool isCollection = path.Length > level + 1;
IFormTreeNode newNode = null;
if (isCollection)
{
var collectionName = path[level];
if (!(parentNode.GetChield(collectionName) is FormTreeCollection currentNode))
{
currentNode = new FormTreeCollection(collectionName, parentNode);
newNode = currentNode;
}
FillCollection(collection, level + 1, formKey, path, currentNode);
}
else
{
var fieldName = GetFieldName(formKey);
newNode = new FormTreeNode(fieldName, parentNode, collection[formKey]);
}
if (!(newNode is null))
{
parentNode.AddChild(newNode);
}
}
/// <summary>
/// Convert FormCollection to tree
/// </summary>
/// <param name="collection">FormCollection</param>
/// <returns>Tree from FormCollection</returns>
public static IFormTreeNode[] ConvertToTree(this FormCollection collection)
{
var node = new FormTreeCollection("", null);
var mkeys = collection.Keys.Select(x => (path: GetPath(x), formKey: x)).ToArray();
foreach (var(path, formKey) in mkeys)
{
FillCollection(collection, 0, formKey, path, node);
}
return(node.Childs);
}
