protected void DoAddParagraphStyle(NewParagraphStyleOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options), "Options are not provided.");
}
var book = options.Book?.Document ?? Document;
if (string.IsNullOrWhiteSpace(options.Name))
{
throw new Exception("Character style name must not be empty.");
}
var style = book.ParagraphStyles[options.Name];
if (!options.Replace)
{
throw new Exception($"Paragraph style '{options.Name}' already exist.");
}
using (new UsingProcessor(() => book.BeginUpdate(), () => book.EndUpdate()))
{
bool isNewStyle = (style == null);
if (isNewStyle)
{
style = book.ParagraphStyles.CreateNew();
style.Name = options.Name;
}
else
{
((ParagraphPropertiesBase)style).Reset();
}
//Assigning a style via the LinkedStyle property results in overwriting the corresponding settings of the style to which the style becomes linked.
//So you are advised to link styles first, and specify their settings afterwards.
if (!string.IsNullOrWhiteSpace(options.LinkedStyle))
{
var linkedStyle = book.CharacterStyles[options.LinkedStyle] ?? throw new Exception($"Character style '{options.LinkedStyle}' does not exist.");
style.LinkedStyle = linkedStyle;
}
if (!string.IsNullOrWhiteSpace(options.Parent))
{
var parent = book.ParagraphStyles[options.Parent] ?? throw new Exception($"Paragraph style '{options.Parent}' does not exist.");
style.Parent = parent;
}
if (!string.IsNullOrWhiteSpace(options.NextStyle))
{
var nextStyle = book.ParagraphStyles[options.NextStyle] ?? throw new Exception($"Paragraph style '{options.NextStyle}' does not exist.");
style.NextStyle = nextStyle;
}
style.Primary = options.Primary;
this.SetParagraphOptions(style, options);
if (isNewStyle)
{
book.ParagraphStyles.Add(style);
}
}
}
public SCBook AddParagraphStyle(NewParagraphStyleOptions options)
{
ExecuteSynchronized(options, () => DoAddParagraphStyle(options));
return(this);
}