type Chart = 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: Chart);override;

public
    //  Attributes

    // Children
    Title: Title;
    AutoTitleDeleted: PureVal;
    View3D: View3D;
    PlotArea: PlotArea;
    Legend: Legend;
    PlotVisOnly: PureVal;
    DispBlanksAs: PureVal;
    ShowDLblsOverMax: PureVal;

end;

function Chart.Create();overload;
begin
    self.Create(nil, "c", "chart");
end;

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

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

function Chart.Init();override;
begin
    self.Title := new Title(self, self.Prefix, "title");
    self.AutoTitleDeleted := new PureVal(self, self.Prefix, "autoTitleDeleted");
    self.View3D := new View3D(self, self.Prefix, "view3D");
    self.PlotArea := new PlotArea(self, self.Prefix, "plotArea");
    self.Legend := new Legend(self, self.Prefix, "legend");
    self.PlotVisOnly := new PureVal(self, self.Prefix, "plotVisOnly");
    self.DispBlanksAs := new PureVal(self, self.Prefix, "dispBlanksAs");
    self.ShowDLblsOverMax := new PureVal(self, self.Prefix, "showDLblsOverMax");
end;

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

function Chart.InitChildren();override;
begin
    child_elements_ := array(
        0: self.Title,
        1: self.AutoTitleDeleted,
        2: self.View3D,
        3: self.PlotArea,
        4: self.Legend,
        5: self.PlotVisOnly,
        6: self.DispBlanksAs,
        7: self.ShowDLblsOverMax,
    );
    sorted_child_ := array(
        "": -1,
        self.Title.ElementName: 0,
        self.AutoTitleDeleted.ElementName: 1,
        self.View3D.ElementName: 2,
        self.PlotArea.ElementName: 3,
        self.Legend.ElementName: 4,
        self.PlotVisOnly.ElementName: 5,
        self.DispBlanksAs.ElementName: 6,
        self.ShowDLblsOverMax.ElementName: 7,
    );
end;

function Chart.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 Chart.Copy(_obj: Chart);override;
begin
    self.Title.Copy(_obj.Title);
    self.AutoTitleDeleted.Copy(_obj.AutoTitleDeleted);
    self.View3D.Copy(_obj.View3D);
    self.PlotArea.Copy(_obj.PlotArea);
    self.Legend.Copy(_obj.Legend);
    self.PlotVisOnly.Copy(_obj.PlotVisOnly);
    self.DispBlanksAs.Copy(_obj.DispBlanksAs);
    self.ShowDLblsOverMax.Copy(_obj.ShowDLblsOverMax);
end;