void RichTextBox2SelectionChanged(object sender, EventArgs e)
{
GetSelectionRowCol(this.richTextBox2, this.richTextBox2.SelectionStart);
rowcolCtrl.Text = "Ln " + (ROW + 1).ToString() + " col " + (COL + 1).ToString();
if ((!selChangedProgr) && (this.richTextBox2.SelectionLength == 0))
{
segmCoord rez;
rez = GetSelectionRowCol(this.richTextBox2, this.richTextBox2.SelectionStart);
int oldSelStart = this.richTextBox2.SelectionStart;
if (ROW >= this.richTextBox2.Lines.Length)
{
return;
}
;
segmCoord substrToUpdate;
substrToUpdate = QueryParser.GetSubstrSegmByCharNum(this.richTextBox2.Lines[ROW], COL);
string parseSubstr = "";
if ((substrToUpdate.fin == 0) && (substrToUpdate.start == 0))
{
parseSubstr = this.richTextBox2.Lines[ROW];
parseSubstr = (string.IsNullOrEmpty(parseSubstr.Trim())) ? "###" : parseSubstr;
}
char[] abr = { '(', ')' };
parseSubstr = (string.IsNullOrEmpty(parseSubstr.Trim())) ? this.richTextBox2.Lines[ROW].Substring(substrToUpdate.start, (substrToUpdate.fin - substrToUpdate.start + 1)) : parseSubstr.Trim();
parseSubstr = (QueryParser.EnumCharOccurrence(parseSubstr, abr) > 1) ? "" : parseSubstr;
if ((parseSubstr.EndsWith(")")) || (parseSubstr.StartsWith("(")) || (parseSubstr.StartsWith(")")) || (parseSubstr.Contains("(")))
{
if (!brUnmarked)
{
UnmarkBr();
}
brUnmarked = false; // draving new, so mark is present
pevOpenBr.Current = oldSelStart - 1;
#region coloring
selChangedProgr = true;
this.richTextBox2.SelectionStart = oldSelStart - 1;
selChangedProgr = true;
this.richTextBox2.SelectionLength = 1;
this.richTextBox2.SelectionBackColor = Color.Orange;
selChangedProgr = true;
this.richTextBox2.SelectionLength = 0;
selChangedProgr = true;
this.richTextBox2.SelectionStart = oldSelStart;
// selChangedProgr = true;
// this.richTextBox2.SelectionLength = 0;
int enclose = GetBrPairPos(this.richTextBox2, oldSelStart, parseSubstr);
prevClosBr.Current = enclose - 1;
if (enclose >= 0)
{
selChangedProgr = true;
this.richTextBox2.SelectionStart = enclose - 1;
selChangedProgr = true;
this.richTextBox2.SelectionLength = 1;
this.richTextBox2.SelectionBackColor = Color.Orange;
selChangedProgr = true;
this.richTextBox2.SelectionLength = 0;
selChangedProgr = true;
this.richTextBox2.SelectionStart = oldSelStart;
}
else
{
MessageBox.Show(" Enclosing bracket not found ! \n Error raise when parse such text");
}
#endregion
}
}
selChangedProgr = false;
}
