type Sp = class(OpenXmlElement)
public
	function Create();overload;
	function Create(_node);overload;
	function Create(_parent, _prefix, _local_name);overload;
	function Init();override;
	function InitAttributes();override;
	function InitChildren();override;
	function InitNode(_node);override;
	function Copy(_obj);override;

public
	//  Attributes

	// Children
	NvSpPr;
	SpPr;
	TxBody;

end;

function Sp.Create();overload;
begin
	self.Create(nil, "p", "sp");
end;

function Sp.Create(_node);overload;
begin
	class(OpenXmlElement).Create(_node);
end;

function Sp.Create(_parent, _prefix, _local_name);overload;
begin
	class(OpenXmlElement).Create(_parent, _prefix, _local_name);
end;

function Sp.Init();override;
begin
	self.NvSpPr := new NvSpPr(self, self.Prefix, "nvSpPr");
	self.SpPr := new SpPr(self, self.Prefix, "spPr");
	self.TxBody := new TxBody(self, self.Prefix, "txBody");
end;

function Sp.InitAttributes();override;
begin
	attributes_ := array(
	);
end;

function Sp.InitChildren();override;
begin
	child_elements_ := array(
		0: self.NvSpPr,
		1: self.SpPr,
		2: self.TxBody,
	);
	sorted_child_ := array(
		"": -1,
		self.NvSpPr.ElementName: 0,
		self.SpPr.ElementName: 1,
		self.TxBody.ElementName: 2,
	);
end;

function Sp.InitNode(_node);override;
begin
	if ifObj(self.XmlNode) then
		for k,v in child_elements_ do v.InitNode(nil);
	self.XmlNode := ifObj(_node) ? _node : nil;
	node := ifObj(_node) ? _node.FirstChild() : nil;
	flag := false;
	if ifnil(child_elements_[0]) and length(child_elements_) > 0 then
	begin
		flag := true;
		arr := child_elements_;
		child_elements_ := array();
	end
	pre := ifString(self.Prefix) ? self.Prefix + ":" : "";
	while ifObj(node) do
	begin
		node_name := node.GetName();
		pos := sorted_child_[node_name];
		if ifnil(pos) or pos = -1 then
		begin
			obj := nil;
			case node_name of
			end;
			if ifObj(obj) then obj.InitNode(node);
		end
		else if flag then
		begin
			obj := arr[pos];
			obj.InitNode(node);
			child_elements_[length(child_elements_)] := obj;
		end
		else begin
			child_elements_[pos].InitNode(node);
		end
		node := node.NextElement();
	end
end;

function Sp.Copy(_obj);override;
begin
	self.NvSpPr.Copy(_obj.NvSpPr);
	self.SpPr.Copy(_obj.SpPr);
	self.TxBody.Copy(_obj.TxBody);
end;