type IdMap = 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 Copy(_obj: IdMap);override;

public

    // attributes property
    property Ext read ReadXmlAttrExt write WriteXmlAttrExt;
    property Data read ReadXmlAttrData write WriteXmlAttrData;
    function ReadXmlAttrExt();
    function WriteXmlAttrExt(_value);
    function ReadXmlAttrData();
    function WriteXmlAttrData(_value);

public
    // Attributes
    XmlAttrExt: OpenXmlAttribute;
    XmlAttrData: OpenXmlAttribute;


end;

function IdMap.Create();overload;
begin
    {self.}Create(nil, "o", "idmap");
end;

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

function IdMap.Create(_parent: tslobj; _prefix: string; _local_name: string);overload;
begin
    setsysparam(pn_calcctrlword(), getsysparam(pn_calcctrlword()) .| 0x200);
    class(OpenXmlElement).Create(_parent, _prefix, _local_name);
end;

function IdMap.Init();override;
begin
    pre := {self.}Prefix ? {self.}Prefix + ":" : "";
    attributes_ := array();
    attributes_pf_ := array(
        "v:ext": makeweakref(thisFunction(WriteXmlAttrExt)),
        "data": makeweakref(thisFunction(WriteXmlAttrData)),
    );
    sorted_child_ := array(
    );
    container_ := new TSOfficeContainer(sorted_child_);
end;

function IdMap.Copy(_obj: IdMap);override;
begin
    tslassigning_backup := tslassigning;
    tslassigning := 1;
    class(OpenXmlElement).Copy(_obj);
    if not ifnil(_obj.Ext) then
        {self.}Ext := _obj.Ext;
    if not ifnil(_obj.Data) then
        {self.}Data := _obj.Data;
    tslassigning := tslassigning_backup;
end;

function IdMap.ReadXmlAttrExt();
begin
    return {self.}XmlAttrExt.Value;
end;

function IdMap.WriteXmlAttrExt(_value);
begin
    if ifnil({self.}XmlAttrExt) then
    begin
        {self.}XmlAttrExt := new OpenXmlAttribute("v", "ext", nil);
        attributes_[length(attributes_)] := {self.}XmlAttrExt;
    end
    {self.}XmlAttrExt.Value := _value;
end;

function IdMap.ReadXmlAttrData();
begin
    return {self.}XmlAttrData.Value;
end;

function IdMap.WriteXmlAttrData(_value);
begin
    if ifnil({self.}XmlAttrData) then
    begin
        {self.}XmlAttrData := new OpenXmlAttribute("", "data", nil);
        attributes_[length(attributes_)] := {self.}XmlAttrData;
    end
    {self.}XmlAttrData.Value := _value;
end;