private XElement GetOrAddStyleElement(string styleId, StyleType styleType)
{
var existingStyle = root.Elements(Namespaces.w + "style").FirstOrDefault(d => styleId.Equals(d.GetOwnAttribute("styleId")));
if (existingStyle != null)
{
var existingStyleType = existingStyle.GetOwnAttribute("type");
if (!styleType.ToCamelCase().Equals(existingStyleType))
{
throw new ArgumentException($"Style {styleId} exists in the document yet it is not of style {styleType} but of type {existingStyleType}", nameof(styleId));
}
return(existingStyle);
}
var providedStyle = externalStyleProvider?.FindStyleElement(styleId) ?? internalDefaultStyleProvider.FindStyleElement(styleId);
if (providedStyle != null)
{
var providedStyleType = providedStyle.GetOwnAttribute("type");
if (!styleType.ToCamelCase().Equals(providedStyleType))
{
throw new Exception($"Style {styleId} provided by External Style Provider is not of type {styleType} but of type {providedStyleType}");
}
root.Add(providedStyle);
return(providedStyle);
}
throw new ArgumentException($"Style {styleId} does not exist in the document and was not provided by External Style Provider", nameof(styleId));
}
private XElement CreateStyleXml(StyleType styleType, string styleId, string name, bool?isPrimary)
{
if (string.IsNullOrWhiteSpace(styleId))
{
throw new ArgumentException("Parameter styleId cannot be null", nameof(styleId));
}
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentException("Parameter name cannot be null", nameof(name));
}
var xml = new XElement(Namespaces.w + "style",
new XAttribute(Namespaces.w + "type", styleType.ToCamelCase()),
new XAttribute(Namespaces.w + "styleId", styleId),
new XElement(Namespaces.w + "name", new XAttribute(Namespaces.w + "val", name))
);
if (isPrimary == true)
{
xml.Add(Namespaces.w + "qFormat");
}
root.Add(xml);
return(xml);
}