private int?TryFindNumberingIdUsingStyleId(string styleId)
{
if (Styles == null)
{
return(null);
}
while (styleId != null)
{
var style =
Styles
.Elements <DocumentFormat.OpenXml.Wordprocessing.Style>()
.SingleOrDefault(x => x.StyleId?.Value == styleId);
int?result = ExtractNumberingId(style);
if (result.HasValue)
{
return(result);
}
styleId =
style
.Descendants <BasedOn>()
.SingleOrDefault()?.Val?.Value;
}
return(null);
}
public static bool IsStyleIdInDocument(MainDocumentPart mainPart, string styleid)
{
// Get access to the Styles element for this document.
DocumentFormat.OpenXml.Wordprocessing.Styles s = mainPart.StyleDefinitionsPart.Styles;
// Check that there are styles and how many.
int n = s.Elements <DocumentFormat.OpenXml.Wordprocessing.Style>().Count();
if (n == 0)
{
return(false);
}
// Look for a match on styleid.
DocumentFormat.OpenXml.Wordprocessing.Style style = s.Elements <DocumentFormat.OpenXml.Wordprocessing.Style>()
.Where(st => (st.StyleId == styleid) && (st.Type == StyleValues.Paragraph))
.FirstOrDefault();
if (style == null)
{
return(false);
}
return(true);
}
/// <summary>
/// Returns the document style specified by the styleId
/// </summary>
/// <param name="styleId"></param>
/// <returns></returns>
public Style DocumentStyle(string styleId)
{
var element = styles.Elements <DocumentFormat.OpenXml.Wordprocessing.Style>().Where(p => p.StyleId == styleId).FirstOrDefault();
if (element == null)
{
element = new DocumentFormat.OpenXml.Wordprocessing.Style()
{
StyleId = styleId,
Type = StyleValues.Paragraph,
StyleName = new StyleName()
{
Val = styleId
}
};
styles.AppendChild(element);
}
return(new Style(element));
}
