private XmlElement CreateElement(int idx, string uniqueId = "")
{
XmlElement pointElement;
if (_dic.Count == 0)
{
pointElement = (XmlElement)CreateNode(ExcelChartDataPoint.topNodePath);
}
else
{
pointElement = TopNode.OwnerDocument.CreateElement("c", "dPt", ExcelPackage.schemaChart);
if (_dic.ContainsKey(idx))
{
_dic[idx].TopNode.ParentNode.InsertAfter(pointElement, _dic[idx].TopNode);
}
else
{
var first = _dic.Values.First().TopNode;
first.ParentNode.InsertBefore(pointElement, first);
}
}
if (!string.IsNullOrEmpty(uniqueId))
{
if (_chart.IsType3D())
{
pointElement.InnerXml = "<c:spPr><a:noFill/><a:ln><a:noFill/></a:ln><a:effectLst/><a:sp3d contourW=\"25400\"><a:contourClr><a:schemeClr val=\"lt1\"/></a:contourClr></a:sp3d></c:spPr><c:extLst><c:ext xmlns:c16=\"http://schemas.microsoft.com/office/drawing/2014/chart\" uri = \"{C3380CC4-5D6E-409C-BE32-E72D297353CC}\"><c16:uniqueId val=\"{" + uniqueId + "}\"/></c:ext></c:extLst>";
}
else
{
pointElement.InnerXml = "<c:extLst><c:ext xmlns:c16=\"http://schemas.microsoft.com/office/drawing/2014/chart\" uri = \"{C3380CC4-5D6E-409C-BE32-E72D297353CC}\"><c16:uniqueId val=\"{" + uniqueId + "}\"/></c:ext></c:extLst>";
}
}
return(pointElement);
}
internal ExcelChartMarker(ExcelChart chart, XmlNamespaceManager ns, XmlNode topNode, string[] schemaNodeOrder) : base(ns, topNode)
{
AddSchemaNodeOrder(schemaNodeOrder, new string[] { "symbol", "size", "spPr" });
_chart = chart;
_allowMarkers = chart.IsType3D();
}
internal static bool ForbiddDataLabelPosition(ExcelChart _chart)
{
return((_chart.IsType3D() && !_chart.IsTypePie() && _chart.ChartType != eChartType.Line3D) ||
_chart.IsTypeDoughnut());
}
