type Presentation = 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;

	property XmlnsA read ReadXmlAttrXmlnsA write WriteXmlAttrXmlnsA;
	property XmlnsR read ReadXmlAttrXmlnsR write WriteXmlAttrXmlnsR;
	property XmlnsP read ReadXmlAttrXmlnsP write WriteXmlAttrXmlnsP;
	property SaveSubsetFonts read ReadXmlAttrSaveSubsetFonts write WriteXmlAttrSaveSubsetFonts;
	function ReadXmlAttrXmlnsA();
	function WriteXmlAttrXmlnsA(_value);
	function ReadXmlAttrXmlnsR();
	function WriteXmlAttrXmlnsR(_value);
	function ReadXmlAttrXmlnsP();
	function WriteXmlAttrXmlnsP(_value);
	function ReadXmlAttrSaveSubsetFonts();
	function WriteXmlAttrSaveSubsetFonts(_value);

public
	//  Attributes
	XmlAttrXmlnsA;
	XmlAttrXmlnsR;
	XmlAttrXmlnsP;
	XmlAttrSaveSubsetFonts;

	// Children
	SldMasterIdLst;
	SldIdLst;
	SldSz;
	NotesSz;
	DefaultTextStyle;

end;

function Presentation.Create();overload;
begin
	self.Create(nil, "p", "presentation");
end;

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

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

function Presentation.Init();override;
begin
	self.XmlAttrXmlnsA := new OpenXmlAttribute("xmlns", "a", "http://schemas.openxmlformats.org/drawingml/2006/main");
	self.XmlAttrXmlnsR := new OpenXmlAttribute("xmlns", "r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
	self.XmlAttrXmlnsP := new OpenXmlAttribute("xmlns", "p", "http://schemas.openxmlformats.org/presentationml/2006/main");
	self.XmlAttrSaveSubsetFonts := new OpenXmlAttribute(nil, "saveSubsetFonts", nil);
	self.SldMasterIdLst := new SldMasterIdLst(self, self.Prefix, "sldMasterIdLst");
	self.SldIdLst := new SldIdLst(self, self.Prefix, "sldIdLst");
	self.SldSz := new CXY(self, self.Prefix, "sldSz");
	self.NotesSz := new CXY(self, self.Prefix, "notesSz");
	self.DefaultTextStyle := new DefaultTextStyle(self, self.Prefix, "defaultTextStyle");
end;

function Presentation.InitAttributes();override;
begin
	attributes_ := array(
		self.XmlAttrXmlnsA,
		self.XmlAttrXmlnsR,
		self.XmlAttrXmlnsP,
		self.XmlAttrSaveSubsetFonts,
	);
end;

function Presentation.InitChildren();override;
begin
	child_elements_ := array(
		0: self.SldMasterIdLst,
		1: self.SldIdLst,
		2: self.SldSz,
		3: self.NotesSz,
		4: self.DefaultTextStyle,
	);
	sorted_child_ := array(
		"": -1,
		self.SldMasterIdLst.ElementName: 0,
		self.SldIdLst.ElementName: 1,
		self.SldSz.ElementName: 2,
		self.NotesSz.ElementName: 3,
		self.DefaultTextStyle.ElementName: 4,
	);
end;

function Presentation.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 Presentation.Copy(_obj);override;
begin
	if not ifnil(_obj.XmlAttrXmlnsA.Value) then
		self.XmlAttrXmlnsA.Value := _obj.XmlAttrXmlnsA.Value;
	if not ifnil(_obj.XmlAttrXmlnsR.Value) then
		self.XmlAttrXmlnsR.Value := _obj.XmlAttrXmlnsR.Value;
	if not ifnil(_obj.XmlAttrXmlnsP.Value) then
		self.XmlAttrXmlnsP.Value := _obj.XmlAttrXmlnsP.Value;
	if not ifnil(_obj.XmlAttrSaveSubsetFonts.Value) then
		self.XmlAttrSaveSubsetFonts.Value := _obj.XmlAttrSaveSubsetFonts.Value;
	self.SldMasterIdLst.Copy(_obj.SldMasterIdLst);
	self.SldIdLst.Copy(_obj.SldIdLst);
	self.SldSz.Copy(_obj.SldSz);
	self.NotesSz.Copy(_obj.NotesSz);
	self.DefaultTextStyle.Copy(_obj.DefaultTextStyle);
end;

function Presentation.ReadXmlAttrXmlnsA();
begin
	return self.XmlAttrXmlnsA.Value;
end;

function Presentation.WriteXmlAttrXmlnsA(_value);
begin
	self.XmlAttrXmlnsA.Value := _value;
end;

function Presentation.ReadXmlAttrXmlnsR();
begin
	return self.XmlAttrXmlnsR.Value;
end;

function Presentation.WriteXmlAttrXmlnsR(_value);
begin
	self.XmlAttrXmlnsR.Value := _value;
end;

function Presentation.ReadXmlAttrXmlnsP();
begin
	return self.XmlAttrXmlnsP.Value;
end;

function Presentation.WriteXmlAttrXmlnsP(_value);
begin
	self.XmlAttrXmlnsP.Value := _value;
end;

function Presentation.ReadXmlAttrSaveSubsetFonts();
begin
	return self.XmlAttrSaveSubsetFonts.Value;
end;

function Presentation.WriteXmlAttrSaveSubsetFonts(_value);
begin
	self.XmlAttrSaveSubsetFonts.Value := _value;
end;