internal protected override ExcelChartTitle GetTitle()
{
if (_title == null)
{
AddTitleNode();
_title = new ExcelChartTitle(_chart, NameSpaceManager, TopNode, "c");
}
return(_title);
}
internal protected XmlNode AddTitleNode()
{
var node = TopNode.SelectSingleNode($"{_nsPrefix}:title", NameSpaceManager);
if (node == null)
{
node = CreateNode($"{_nsPrefix}:title");
if (_chart._isChartEx == false)
{
node.InnerXml = ExcelChartTitle.GetInitXml(_nsPrefix);
}
}
return(node);
}
/// <summary>
/// Fills a <see cref="OfficeOpenXml.Drawing.Chart.ExcelChartTitle"/> object with model data.
/// </summary>
/// <param name="title"><see cref="OfficeOpenXml.Drawing.Chart.ExcelChartTitle"/> object.</param>
/// <param name="element">A <see cref="KnownChartElement" /> value.</param>
/// <param name="model">Chart title model definition.</param>
private static void FormatFromModel(this ExcelChartTitle title, KnownChartElement element, ChartTitleModel model)
{
if (model.Show == YesNo.No)
{
return;
}
if (!string.IsNullOrEmpty(model.Text))
{
title.Text = model.Text;
title.Font.SetFromFont(model.Font.ToFont());
title.Font.Color = model.Font.GetColor();
title.Rotation = model.Orientation.ToAngle();
title.TextVertical = model.Orientation == KnownAxisOrientation.Vertical ? eTextVerticalType.WordArtVertical : eTextVerticalType.Horizontal;
}
title.Border.FormatFromModel(element, model.Border);
}