type Font = 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: Font);override;

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

public
    //  Attributes
    XmlAttrName: OpenXmlAttribute;

    // Children
    AltName: PureWVal;
    Panosel: PureWVal;
    Charset: PureWVal;
    Family: PureWVal;
    Pitch: PureWVal;
    Sig: Sig;

end;

function Font.Create();overload;
begin
    self.Create(nil, "w", "font");
end;

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

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

function Font.Init();override;
begin
    self.XmlAttrName := new OpenXmlAttribute(self.Prefix, "name", nil);
    self.AltName := new PureWVal(self, self.Prefix, "altName");
    self.Panosel := new PureWVal(self, self.Prefix, "panosel");
    self.Charset := new PureWVal(self, self.Prefix, "charset");
    self.Family := new PureWVal(self, self.Prefix, "family");
    self.Pitch := new PureWVal(self, self.Prefix, "pitch");
    self.Sig := new Sig(self, self.Prefix, "sig");
end;

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

function Font.InitChildren();override;
begin
    child_elements_ := array(
        0: self.AltName,
        1: self.Panosel,
        2: self.Charset,
        3: self.Family,
        4: self.Pitch,
        5: self.Sig,
    );
    sorted_child_ := array(
        "": -1,
        self.AltName.ElementName: 0,
        self.Panosel.ElementName: 1,
        self.Charset.ElementName: 2,
        self.Family.ElementName: 3,
        self.Pitch.ElementName: 4,
        self.Sig.ElementName: 5,
    );
end;

function Font.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 Font.Copy(_obj: Font);override;
begin
    if not ifnil(_obj.XmlAttrName.Value) then
        self.XmlAttrName.Value := _obj.XmlAttrName.Value;
    self.AltName.Copy(_obj.AltName);
    self.Panosel.Copy(_obj.Panosel);
    self.Charset.Copy(_obj.Charset);
    self.Family.Copy(_obj.Family);
    self.Pitch.Copy(_obj.Pitch);
    self.Sig.Copy(_obj.Sig);
end;

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

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