public formatted_text copy()
{
formatted_text the_copy = new formatted_text(text)
{
bg_ = bg_, align = align, image = image, parts_ = parts_.Select(x => x.copy()).ToList()
};
the_copy.invariant_end();
return(the_copy);
}
// this updates text + infos, so that it will return a single line from a possible multi-line text
// we want this, in case the text is multi-line, but we can only print A SINGLE LINE
public formatted_text get_most_important_single_line()
{
string text = text_;
var parts = parts_.ToList();
if (!text.Contains('\r') && !text.Contains('\n'))
{
// text is single line
return(new formatted_text(text, this));
}
char more = '¶';
var lines = util.split_into_lines(text, util.split_into_lines_type.include_enter_chars_in_returned_lines).ToList();
if (parts.Count == 0)
{
// in this case, we don't have any custom printing - just return the first non empty line
text = lines.FirstOrDefault(x => x.Length > 0 && !util.any_enter_char.Contains(x[0]));
if (text == null)
{
// we only have empty lines
text = "";
}
else
{
int line_idx = lines.IndexOf(text);
text = (line_idx > 0 && app.inst.show_paragraph_sign ? more + " " : "") + text.Trim() + (line_idx < lines.Count - 1 && app.inst.show_paragraph_sign ? " " + more : "");
}
return(new formatted_text(text, this));
}
// we have custom printing - first, see if we have typed search
var relevant_print = parts.FirstOrDefault(x => x.is_typed_search || x.is_find_search);
if (relevant_print == null)
{
relevant_print = parts[0];
}
// find the relevant line
int start = 0;
string relevant_line = null;
foreach (var line in lines)
{
if (relevant_print.start < start + line.Length)
{
relevant_line = line;
break;
}
else
{
start += line.Length;
}
}
Debug.Assert(relevant_line != null);
bool line_before = start > 0;
bool line_after = start + relevant_line.Length < text.Length;
// at this point, ignore enters
relevant_line = relevant_line.Trim();
int len = relevant_line.Length;
// ... just take the print infos for the relevant line
parts = parts.Where(x => (start <= x.start && x.start < start + len) || (start <= x.start + x.len && x.start + x.len < start + len)).ToList();
if (parts.Count > 0)
{
// adjust first and last - they might be outside our line
if (parts[0].start < start)
{
parts[0] = new text_part(start, parts[0].len - (start - parts[0].start), parts[0]);
}
var last = parts[parts.Count - 1];
if (last.start + last.len > start + len)
{
parts[parts.Count - 1] = new text_part(last.start, start + len - last.start, last);
}
}
if (!app.inst.show_paragraph_sign)
{
line_before = line_after = false;
}
// convert all the indexes into the relevant line
for (int i = 0; i < parts.Count; ++i)
{
parts[i] = new text_part(parts[i].start - start + (line_before ? 2 : 0), parts[i].len, parts[i]);
}
text = (line_before ? more + " " : "") + relevant_line + (line_after ? " " + more : "");
var result = new formatted_text(text, this, parts);
result.invariant_end();
return(result);
}
