/// <summary>
/// Actually sends log message to <see cref="TargetRichTextBox"/>
/// </summary>
/// <param name="logMessage">a message to send</param>
/// <param name="rule">matching coloring rule</param>
/// <param name="logEvent">original logEvent</param>
/// <returns>true if the message was actually sent (i.e. <see cref="TargetRichTextBox"/> is not null and not disposed, and no exception happened during message send)</returns>
private bool DoSendMessageToTextbox(string logMessage, RichTextBoxRowColoringRule rule, LogEventInfo logEvent)
{
RichTextBox textbox = TargetRichTextBox;
try
{
if (textbox != null)//&& !textbox.IsDisposed)
{
//if (textbox.InvokeRequired)
//{
// textbox.BeginInvoke(new DelSendTheMessageToRichTextBox(SendTheMessageToRichTextBox), logMessage, rule, logEvent);
//}
//else
//{
SendTheMessageToRichTextBox(logMessage, rule, logEvent);
//}
return(true);
}
}
catch (Exception ex)
{
InternalLogger.Warn(ex.ToString());
if (LogManager.ThrowExceptions)
{
throw;
}
}
return(false);
}
/// <summary>
/// Log message to RichTextBox.
/// </summary>
/// <param name="logEvent">The logging event.</param>
protected override void Write(LogEventInfo logEvent)
{
RichTextBox textbox = TargetRichTextBox;
if (textbox == null)// || textbox.IsDisposed)
{
//no last logged textbox
lastLoggedTextBoxControl = null;
if (AllowAccessoryFormCreation)
{
CreateAccessoryForm();
}
else if (messageRetention == RichTextBoxTargetMessageRetentionStrategy.None)
{
InternalLogger.Trace("Textbox for target {0} is {1}, skipping logging", this.Name, textbox == null ? "null" : "disposed");
return;
}
}
string logMessage = Layout.Render(logEvent);
RichTextBoxRowColoringRule matchingRule = FindMatchingRule(logEvent);
bool messageSent = DoSendMessageToTextbox(logMessage, matchingRule, logEvent);
if (messageSent)
{
//remember last logged text box
lastLoggedTextBoxControl = textbox;
}
switch (messageRetention)
{
case RichTextBoxTargetMessageRetentionStrategy.None:
break;
case RichTextBoxTargetMessageRetentionStrategy.All:
StoreMessage(logMessage, matchingRule, logEvent);
break;
case RichTextBoxTargetMessageRetentionStrategy.OnlyMissed:
if (!messageSent)
{
StoreMessage(logMessage, matchingRule, logEvent);
}
break;
default:
HandleError("Unexpected retention strategy {0}", messageRetention);
break;
}
}
//internal static void ChangeSelectionToLink(RichTextBox textBox, string text, string hyperlink)
//{
// int selectionStart = textBox.SelectionStart;
// //using \v tag to hide hyperlink part of the text, and \v0 to end hiding. See http://stackoverflow.com/a/14339531/376066
// //so in the control the link would consist only of "<text>", but in link clicked event we would get "<text>#<hyperlink>"
// textBox.SelectedRtf = @"{\rtf1\ansi " + text + @"\v #" + hyperlink + @"\v0}";
// textBox.Select(selectionStart, text.Length + 1 + hyperlink.Length); //now select both visible and invisible part
// SetSelectionStyle(textBox, CFM_LINK, CFE_LINK); //and turn into a link
//}
/// <summary>
/// Stores a new message in internal queue, if it exists. Removes overflowing messages.
/// </summary>
/// <param name="logMessage">a message to store</param>
/// <param name="rule">a corresponding coloring rule</param>
/// <param name="logEvent">original LogEvent</param>
private void StoreMessage(string logMessage, RichTextBoxRowColoringRule rule, LogEventInfo logEvent)
{
lock (messageQueueLock)
{
if (messageQueue == null)
{
return;
}
if (MaxLines > 0)
{
while (messageQueue.Count >= MaxLines)
{
messageQueue.Dequeue();
}
}
messageQueue.Enqueue(new MessageInfo(logMessage, rule, logEvent));
}
}
private void SendTheMessageToRichTextBox(string logMessage, RichTextBoxRowColoringRule rule, LogEventInfo logEvent)
{
RichTextBox textBox = TargetRichTextBox;
//BlockUIContainer block = new BlockUIContainer();
Run run = new Run(logMessage + "\n", textBox.Document.ContentEnd);
run.Foreground = new SolidColorBrush(Colors.White);
Hyperlink hyperlink = new Hyperlink(run);
hyperlink.NavigateUri = new Uri("http://www.baidu.com");
//hyperlink.NavigateUri = new Uri(logMessage);
//Paragraph myParagraph = new Paragraph(run);
Paragraph myParagraph = new Paragraph(hyperlink);
myParagraph.Margin = new Thickness(0);
myParagraph.Padding = new Thickness(0);
//myParagraph.Inlines.Add(run);
textBox.Document.Blocks.Add(myParagraph);
//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 (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;
// }
// }
//}
////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 (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);
// }
// }
// }
// }
// textBox.SelectedRtf = "{\\rtf1\\ansi}";
// }
// }
//}
//if (AutoScroll)
//{
// textBox.Select(textBox.TextLength, 0);
// textBox.ScrollToCaret();
//}
System.Windows.Controls.RichTextBox rtbx = TargetRichTextBox;
var tr = new TextRange(rtbx.Document.ContentEnd, rtbx.Document.ContentEnd);
tr.Text = logMessage + "\n";
tr.ApplyPropertyValue(TextElement.ForegroundProperty,
new SolidColorBrush(GetColorFromString(rule.FontColor, (Brush)tr.GetPropertyValue(TextElement.ForegroundProperty)))
);
tr.ApplyPropertyValue(TextElement.BackgroundProperty,
new SolidColorBrush(GetColorFromString(rule.BackgroundColor, (Brush)tr.GetPropertyValue(TextElement.BackgroundProperty)))
);
tr.ApplyPropertyValue(TextElement.FontStyleProperty, rule.Style);
tr.ApplyPropertyValue(TextElement.FontWeightProperty, rule.Weight);
//tr.ApplyPropertyValue(Inline.TextDecorationsProperty,TextDecorations.Baseline);
//tr.ApplyPropertyValue(Hyperlink.NavigateUriProperty, new Uri("http://www.baidu.com"));
//if (this.MaxLines > 0)
//{
// this.lineCount++;
// if (this.lineCount > MaxLines)
// {
// tr = new TextRange(rtbx.Document.ContentStart, rtbx.Document.ContentEnd);
// tr.Text.Remove(0, tr.Text.IndexOf('\n'));
// this.lineCount--;
// }
//}
//if (this.AutoScroll)
//{
// rtbx.ScrollToEnd();
//}
}
internal MessageInfo(string message, RichTextBoxRowColoringRule rule, LogEventInfo logEvent)
{
this.Message = message;
this.Rule = rule;
this.LogEvent = logEvent;
}
