private void SetRtfText(string value)
{
bool oldReadOnly = ReadOnly;
// if moduleHandle is zero we are using legacy rtf and need this link code
if (!detectUrls || moduleHandle != IntPtr.Zero)
{
ReadOnly = false;
base.Rtf = value;
ReadOnly = oldReadOnly;
return;
}
if (value == null)
{
ReadOnly = false;
Text = "";
ReadOnly = oldReadOnly;
return;
}
// Quick check to see if current text equals last text to be set
int hashCode = value.GetHashCode();
if (hashCode == lastSetHashCode)
return;
lock (this)
{
lastSetHashCode = hashCode;
try
{
Cursor.Hide();
BeginUpdate();
ReadOnly = false;
var sb = new StringBuilder(value);
var matches = new List<LinkMatch>();
int idx = 0;
while (true)
{
var match = linkRegex.Match(sb.ToString(), idx);
if (!match.Success) break;
var link = match.Groups["link"];
var name = match.Groups["name"];
var m2 = new LinkMatch(link.Value, name.Value, match.Index, name.Length);
sb.Remove(match.Index, match.Length);
string linkText = string.Format("#:@{0}@:#", matches.Count.ToString());
sb.Insert(match.Index, linkText);
matches.Add(m2);
idx = match.Index + linkText.Length;
}
base.Rtf = sb.ToString();
idx = 0;
try
{
while (true)
{
int start = base.Find("#:@", idx, RichTextBoxFinds.NoHighlight);
if (start == -1) break;
int end = base.Find("@:#", start + 3, RichTextBoxFinds.NoHighlight);
if (end == -1) break; // Error?
base.Select(start, end - start + 3);
string text = base.SelectedText;
int link = int.Parse(text.Substring(3, text.Length - 6));
var match = matches[link];
base.SelectedText = "";
InsertLink(match.name, match.link, start);
}
}
catch
{
}
base.SelectionStart = 0;
//Point factored = new Point(0,0);
//SendMessage(this.Handle, (int)WindowsMessages.EM_SETSCROLLPOS, 0, ref factored);
//base.ScrollToCaret();
}
catch
{
base.Rtf = value;
}
finally
{
try
{
ReadOnly = oldReadOnly;
EndUpdate();
Invalidate();
Update();
Cursor.Show();
}
catch
{
}
}
}
}
private void SetRtfText(string value)
{
bool oldReadOnly = ReadOnly;
// if moduleHandle is zero we are using legacy rtf and need this link code
if (!detectUrls || moduleHandle != IntPtr.Zero)
{
ReadOnly = false;
base.Rtf = value;
ReadOnly = oldReadOnly;
return;
}
if (value == null)
{
ReadOnly = false;
Text = "";
ReadOnly = oldReadOnly;
return;
}
// Quick check to see if current text equals last text to be set
int hashCode = value.GetHashCode();
if (hashCode == lastSetHashCode)
{
return;
}
lock (this)
{
lastSetHashCode = hashCode;
try
{
Cursor.Hide();
BeginUpdate();
ReadOnly = false;
var sb = new StringBuilder(value);
var matches = new List <LinkMatch>();
int idx = 0;
while (true)
{
var match = linkRegex.Match(sb.ToString(), idx);
if (!match.Success)
{
break;
}
var link = match.Groups["link"];
var name = match.Groups["name"];
var m2 = new LinkMatch(link.Value, name.Value, match.Index, name.Length);
sb.Remove(match.Index, match.Length);
string linkText = string.Format("#:@{0}@:#", matches.Count.ToString());
sb.Insert(match.Index, linkText);
matches.Add(m2);
idx = match.Index + linkText.Length;
}
base.Rtf = sb.ToString();
idx = 0;
try
{
while (true)
{
int start = base.Find("#:@", idx, RichTextBoxFinds.NoHighlight);
if (start == -1)
{
break;
}
int end = base.Find("@:#", start + 3, RichTextBoxFinds.NoHighlight);
if (end == -1)
{
break; // Error?
}
base.Select(start, end - start + 3);
string text = base.SelectedText;
int link = int.Parse(text.Substring(3, text.Length - 6));
var match = matches[link];
base.SelectedText = "";
InsertLink(match.name, match.link, start);
}
}
catch
{
}
base.SelectionStart = 0;
//Point factored = new Point(0,0);
//SendMessage(this.Handle, (int)WindowsMessages.EM_SETSCROLLPOS, 0, ref factored);
//base.ScrollToCaret();
}
catch
{
base.Rtf = value;
}
finally
{
try
{
ReadOnly = oldReadOnly;
EndUpdate();
Invalidate();
Update();
Cursor.Show();
}
catch
{
}
}
}
}
