internal static void ClearTextCorrectness(CustomRichTextBox pageTextBox)
{
RichTextBox tempRichTextBox = new RichTextBox(); //Temporary RichTextBox to avoid too much undo/redo into buffer
pageTextBox.SuspendPainting();
tempRichTextBox.Rtf = pageTextBox.Rtf;
tempRichTextBox.SelectAll();
tempRichTextBox.Font = new Font(pageTextBox.Font, FontStyle.Regular);
tempRichTextBox.SelectionBackColor = tempRichTextBox.BackColor;
RichTextBoxUtil.ReplaceRTFContent(pageTextBox, tempRichTextBox);
pageTextBox.ResumePainting();
tempRichTextBox.Dispose();
}
internal static void CheckTextCorrectness(Form1 form, String languageSign)
{
if (!ExistsDictionary(languageSign))
{
WindowManager.ShowInfoBox(form, LanguageUtil.GetCurrentLanguageString("NoDictionary", className) + ConstantUtil.dtPadURL + "wikipage?title=Dictionaries");
return;
}
CustomXtraTabControl pagesTabControl = form.pagesTabControl;
CustomRichTextBox pageTextBox = ProgramUtil.GetPageTextBox(pagesTabControl.SelectedTabPage);
if (RichTextBoxUtil.ContainsUnderlineText(pageTextBox))
{
ClearTextCorrectness(pageTextBox);
}
bool textCorrectness = true;
RichTextBox tempRichTextBox = new RichTextBox {
BackColor = pageTextBox.BackColor
}; //Temporary RichTextBox to avoid too much undo/redo into buffer
pageTextBox.SuspendPainting();
tempRichTextBox.Rtf = pageTextBox.Rtf;
//Method 1: char parse (more accurate, slower)
using (Hunspell hunspell = new Hunspell(ConstantUtil.ApplicationExecutionPath() + "\\Languages\\" + languageSign + ".aff", ConstantUtil.ApplicationExecutionPath() + "\\Languages\\" + languageSign + ".dic"))
{
int wordStart = 0;
StringBuilder word = new StringBuilder(String.Empty);
StringBuilder text = new StringBuilder(pageTextBox.Text);
for (int i = 0; i < text.Length; i++)
{
if (text[i] == '\'' || (!Char.IsWhiteSpace(text[i]) && !Char.IsPunctuation(text[i]) && !Char.IsSymbol(text[i]) && !Char.IsSeparator(text[i])))
{
word.Append(text[i]);
if (i < text.Length - 1)
{
continue;
}
}
if (!hunspell.Spell(word.ToString()) && !String.IsNullOrEmpty(word.ToString().Trim()))
{
tempRichTextBox.Select(wordStart, word.Length);
tempRichTextBox.SelectionFont = new Font(pageTextBox.Font, FontStyle.Underline);
tempRichTextBox.SelectionColor = (pageTextBox.BackColor == Color.Red) ? Color.Yellow : Color.Red;
textCorrectness = false;
}
word = new StringBuilder(String.Empty);
wordStart = i + 1;
}
}
//Method 2: word parse (less accurate, faster)
//String[] wordsList = pageTextBox.Text.Split(new[] { ' ', Convert.ToChar(ConstantUtil.newLine), '\t', '/', '\\', '.', '?', ';', ',', ':', '(', ')', '[', ']', '{', '}', '\\', '|', '/', '!', '"', '\'', '=' }, StringSplitOptions.RemoveEmptyEntries);
//List<String> wordsAlreadySeen = new List<String>();
//using (Hunspell hunspell = new Hunspell(ConstantUtil.ApplicationExecutionPath() + "\\Languages\\" + languageSign + ".aff", ConstantUtil.ApplicationExecutionPath() + "\\Languages\\" + languageSign + ".dic"))
//{
// foreach (String word in wordsList)
// {
// if (wordsAlreadySeen.Contains(word))
// {
// continue;
// }
// wordsAlreadySeen.Add(word);
// if (hunspell.Spell(word))
// {
// continue;
// }
// int i = 0;
// while (i != -1 && (i = pageTextBox.Text.IndexOf(word, i)) != -1)
// {
// tempRichTextBox.Select(i, word.Length);
// tempRichTextBox.SelectionFont = new Font(pageTextBox.Font, FontStyle.Underline);
// tempRichTextBox.SelectionColor = (pageTextBox.BackColor == Color.Red) ? Color.Yellow : Color.Red;
// i += word.Length;
// }
// }
//}
pageTextBox.IsUnderlining = true;
RichTextBoxUtil.ReplaceRTFContent(pageTextBox, tempRichTextBox);
pageTextBox.ResumePainting();
tempRichTextBox.Dispose();
TextManager.RefreshUndoRedoExternal(form);
if (textCorrectness)
{
WindowManager.ShowInfoBox(form, LanguageUtil.GetCurrentLanguageString("TextCorrect", className));
}
}