type FmtScheme = class(OpenXmlElement)
public
    function Create();overload;
    function Create(_node: XmlNode);overload;
    function Create(_parent: tslobj; _prefix: string; _local_name: string);overload;
    function Init();override;
    function InitAttributes();override;
    function InitChildren();override;
    function InitNode(_node: XmlNode);override;
    function Copy(_obj: FmtScheme);override;

    property Name read ReadXmlAttrName write WriteXmlAttrName;
    function ReadXmlAttrName();
    function WriteXmlAttrName(_value);

public
    //  Attributes
    XmlAttrName: OpenXmlAttribute;

    // Children
    FillStyleLst: FillStyleLst;
    LnStyleLst: LnStyleLst;
    EffectStyleLst: EffectStyleLst;
    BgFillStyleLst: FillStyleLst;

end;

function FmtScheme.Create();overload;
begin
    self.Create(nil, "a", "fmtScheme");
end;

function FmtScheme.Create(_node: XmlNode);overload;
begin
    class(OpenXmlElement).Create(_node: XmlNode);
end;

function FmtScheme.Create(_parent: tslobj; _prefix: string; _local_name: string);overload;
begin
    class(OpenXmlElement).Create(_parent, _prefix, _local_name);
end;

function FmtScheme.Init();override;
begin
    self.XmlAttrName := new OpenXmlAttribute(nil, "name", nil);
    self.FillStyleLst := new FillStyleLst(self, self.Prefix, "fillStyleLst");
    self.LnStyleLst := new LnStyleLst(self, self.Prefix, "lnStyleLst");
    self.EffectStyleLst := new EffectStyleLst(self, self.Prefix, "effectStyleLst");
    self.BgFillStyleLst := new FillStyleLst(self, self.Prefix, "bgFillStyleLst");
end;

function FmtScheme.InitAttributes();override;
begin
    attributes_ := array(
        self.XmlAttrName,
    );
end;

function FmtScheme.InitChildren();override;
begin
    child_elements_ := array(
        0: self.FillStyleLst,
        1: self.LnStyleLst,
        2: self.EffectStyleLst,
        3: self.BgFillStyleLst,
    );
    sorted_child_ := array(
        "": -1,
        self.FillStyleLst.ElementName: 0,
        self.LnStyleLst.ElementName: 1,
        self.EffectStyleLst.ElementName: 2,
        self.BgFillStyleLst.ElementName: 3,
    );
end;

function FmtScheme.InitNode(_node: XmlNode);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 FmtScheme.Copy(_obj: FmtScheme);override;
begin
    if not ifnil(_obj.XmlAttrName.Value) then
        self.XmlAttrName.Value := _obj.XmlAttrName.Value;
    self.FillStyleLst.Copy(_obj.FillStyleLst);
    self.LnStyleLst.Copy(_obj.LnStyleLst);
    self.EffectStyleLst.Copy(_obj.EffectStyleLst);
    self.BgFillStyleLst.Copy(_obj.BgFillStyleLst);
end;

function FmtScheme.ReadXmlAttrName();
begin
    return self.XmlAttrName.Value;
end;

function FmtScheme.WriteXmlAttrName(_value);
begin
    self.XmlAttrName.Value := _value;
end;