private void SendTheMessageToRichTextBox(string logMessage, RichTextBoxRowColoringRule rule, LogEventInfo logEvent)
{
RichTextBox textBox = TargetRichTextBox;
int startIndex = textBox.Text.Length;
textBox.SelectionStart = startIndex;
textBox.SelectionBackColor = GetColorFromString(rule.BackgroundColor, textBox.BackColor);
textBox.SelectionColor = GetColorFromString(rule.FontColor, textBox.ForeColor);
textBox.SelectionFont = new Font(textBox.SelectionFont, textBox.SelectionFont.Style ^ rule.Style);
textBox.AppendText(logMessage + "\n");
textBox.SelectionLength = textBox.Text.Length - textBox.SelectionStart;
// find word to color
foreach (RichTextBoxWordColoringRule wordRule in WordColoringRules)
{
MatchCollection matches = wordRule.CompiledRegex.Matches(textBox.Text, startIndex);
foreach (Match match in matches)
{
textBox.SelectionStart = match.Index;
textBox.SelectionLength = match.Length;
textBox.SelectionBackColor = GetColorFromString(wordRule.BackgroundColor, textBox.BackColor);
textBox.SelectionColor = GetColorFromString(wordRule.FontColor, textBox.ForeColor);
textBox.SelectionFont = new Font(textBox.SelectionFont, textBox.SelectionFont.Style ^ wordRule.Style);
}
}
#if LINKS_SUPPORTED
if (SupportLinks)
{
object linkInfoObj;
lock (logEvent.Properties)
{
logEvent.Properties.TryGetValue(RichTextBoxLinkLayoutRenderer.LinkInfo.PropertyName, out linkInfoObj);
}
if (linkInfoObj != null)
{
RichTextBoxLinkLayoutRenderer.LinkInfo linkInfo = (RichTextBoxLinkLayoutRenderer.LinkInfo)linkInfoObj;
bool linksAdded = false;
textBox.SelectionStart = startIndex;
textBox.SelectionLength = textBox.Text.Length - textBox.SelectionStart;
string addedText = textBox.SelectedText;
MatchCollection matches = linkAddRegex.Matches(addedText); //only access regex after checking SupportLinks, as it assures the initialization
for (int i = matches.Count - 1; i >= 0; --i) //backwards order, so the string positions are not affected
{
Match match = matches[i];
string linkText = linkInfo.GetValue(match.Value);
if (linkText != null)
{
textBox.SelectionStart = startIndex + match.Index;
textBox.SelectionLength = match.Length;
FormHelper.ChangeSelectionToLink(textBox, linkText, LinkPrefix + logEvent.SequenceID);
linksAdded = true;
}
}
if (linksAdded)
{
linkedEvents[logEvent.SequenceID] = logEvent;
}
}
}
#endif
//remove some lines if there above the max
if (MaxLines > 0)
{
//find the last line by reading the textbox
var lastLineWithContent = textBox.Lines.LastOrDefault(f => !string.IsNullOrEmpty(f));
if (lastLineWithContent != null)
{
char lastChar = lastLineWithContent.Last();
var visibleLineCount = textBox.GetLineFromCharIndex(textBox.Text.LastIndexOf(lastChar));
var tooManyLines = (visibleLineCount - MaxLines) + 1;
if (tooManyLines > 0)
{
textBox.SelectionStart = 0;
textBox.SelectionLength = textBox.GetFirstCharIndexFromLine(tooManyLines);
#if LINKS_SUPPORTED
if (SupportLinks)
{
string selectedRtf = textBox.SelectedRtf;
//only access regex after checking SupportLinks, as it assures the initialization
foreach (Match match in linkRemoveRtfRegex.Matches(selectedRtf))
{
int id;
if (int.TryParse(match.Groups[1].Value, out id))
{
lock (linkedEventsLock)
{
linkedEvents.Remove(id);
}
}
}
}
#endif
textBox.SelectedRtf = "{\\rtf1\\ansi}";
}
}
}
if (AutoScroll)
{
textBox.Select(textBox.TextLength, 0);
textBox.ScrollToCaret();
}
}
/// <summary>
/// Initializes the target. Can be used by inheriting classes
/// to initialize logging.
/// </summary>
protected override void InitializeTarget()
{
base.InitializeTarget();
if (TargetRichTextBox != null)
{
//already initialized by ReInitializeAllTextboxes call
return;
}
CreatedForm = false;
Form openFormByName;
RichTextBox targetControl;
if (AllowAccessoryFormCreation)
{
//old behaviour which causes creation of accessory form in case specified control cannot be found on specified form
if (FormName == null)
{
InternalLogger.Info("FormName not set, creating acceccory form");
CreateAccessoryForm();
return;
}
openFormByName = Application.OpenForms[FormName];
if (openFormByName == null)
{
InternalLogger.Info("Form {0} not found, creating accessory form", FormName);
CreateAccessoryForm();
return;
}
if (string.IsNullOrEmpty(ControlName))
{
HandleError("Rich text box control name must be specified for {0}.", GetType().Name);
CreateAccessoryForm();
return;
}
targetControl = FormHelper.FindControl <RichTextBox>(ControlName, openFormByName);
if (targetControl == null)
{
HandleError("Rich text box control '{0}' cannot be found on form '{1}'.", ControlName, FormName);
CreateAccessoryForm();
return;
}
//finally attached to proper control
}
else
{
//new behaviour which postpones attaching to textbox if it's not yet available at the time,
if (FormName == null)
{
HandleError("FormName should be specified for {0}.{1}", GetType().Name, this.Name);
return;
}
if (string.IsNullOrEmpty(ControlName))
{
HandleError("Rich text box control name must be specified for {0}.{1}", GetType().Name, this.Name);
return;
}
openFormByName = Application.OpenForms[FormName];
if (openFormByName == null)
{
InternalLogger.Info("Form {0} not found, waiting for ReInitializeAllTextboxes.", FormName);
return;
}
targetControl = FormHelper.FindControl <RichTextBox>(ControlName, openFormByName);
if (targetControl == null)
{
InternalLogger.Info("Rich text box control '{0}' cannot be found on form '{1}'. Waiting for ReInitializeAllTextboxes.", ControlName, FormName);
return;
}
//actually attached to a target, all ok
}
AttachToControl(openFormByName, targetControl);
}
