private void AddExistingLogEntries()
{
lock (this.logger.LogLock)
{
// Add all existing log entries
ColoredLogGroup currentGroup = null;
foreach (LogEntry entry in this.logger.LogEntries)
{
LogColor entryColor = GetEntryColor(entry);
// If we need to start a new group
if (currentGroup == null || entryColor != currentGroup.Color)
{
// Write out the last group (if it exists)
if (currentGroup != null)
{
this.AddLogGroup(currentGroup);
}
// Start the new group
currentGroup = new ColoredLogGroup(entryColor);
}
// Add the entry
currentGroup.Entries.Add(entry);
}
// Add any items in the last group
if (currentGroup != null)
{
this.AddLogGroup(currentGroup);
}
}
}
private void AddExistingLogEntries()
{
lock (this.logger.LogLock)
{
this.logger.SuspendWriter();
try
{
// Add all existing log entries
ColoredLogGroup currentGroup = null;
using (var reader = new StreamReader(new FileStream(this.logger.LogPath, FileMode.Open, FileAccess.Read)))
{
string line;
while ((line = reader.ReadLine()) != null)
{
LogColor color = LogEntryClassificationUtilities.GetLineColor(line);
// If we need to start a new group
if (currentGroup == null || color != currentGroup.Color)
{
// Write out the last group (if it exists)
if (currentGroup != null)
{
this.AddLogGroup(currentGroup);
}
// Start the new group
currentGroup = new ColoredLogGroup(color);
}
// Add the entry
currentGroup.Entries.Add(line);
}
}
// Add any items in the last group
if (currentGroup != null)
{
this.AddLogGroup(currentGroup);
}
}
catch (Exception exception)
{
var errorLogGroup = new ColoredLogGroup(LogColor.Error);
errorLogGroup.Entries.Add($"Could not load log file {this.logger.LogPath}" + Environment.NewLine + exception);
this.AddLogGroup(errorLogGroup);
}
finally
{
this.logger.ResumeWriter();
}
}
}
private void AddLogGroup(ColoredLogGroup group)
{
Brush brush = this.logColorBrushMapping[group.Color];
StringBuilder runText = new StringBuilder();
foreach (LogEntry entry in group.Entries)
{
runText.AppendLine(entry.Text);
}
var run = new Run(runText.ToString());
run.Foreground = brush;
this.logParagraph.Inlines.Add(run);
}
public LogWindow()
{
InitializeComponent();
lock (this.logger.LogLock)
{
// Add all existing log entries
ColoredLogGroup currentGroup = null;
foreach (LogEntry entry in this.logger.LogEntries)
{
Color entryColor = GetEntryColor(entry);
// If we need to start a new group
if (currentGroup == null || entryColor != currentGroup.Color)
{
// Write out the last group (if it exists)
if (currentGroup != null)
{
this.AddLogGroup(currentGroup);
}
// Start the new group
currentGroup = new ColoredLogGroup(entryColor);
}
// Add the entry
currentGroup.Entries.Add(entry);
}
// Add any items in the last group
if (currentGroup != null)
{
this.AddLogGroup(currentGroup);
}
}
this.Loaded += (sender, e) =>
{
this.logTextBox.ScrollToEnd();
};
// Subscribe to events
this.logger.EntryLogged += this.OnEntryLogged;
this.logger.Cleared += this.OnCleared;
}
// Adds pending entries to the UI
private void ProcessPendingEntries()
{
List <ColoredLogGroup> entryGroups;
lock (this.pendingEntriesLock)
{
if (this.pendingEntries.Count == 0)
{
// If there are no items left, scroll to the end if we're already there, then bail
if (this.logTextBox.VerticalOffset + this.logTextBox.ViewportHeight >= this.logTextBox.ExtentHeight)
{
this.Dispatcher.BeginInvoke(new Action(() =>
{
this.logTextBox.ScrollToEnd();
}));
}
this.workerRunning = false;
return;
}
// copy some pending items to groups
entryGroups = new List <ColoredLogGroup>();
ColoredLogGroup currentGroup = null;
int currentLines = 0;
while (this.pendingEntries.Count > 0 && entryGroups.Count < MaxRunsPerDispatch && currentLines < MaxLinesPerDispatch)
{
LogEntry entry = this.pendingEntries.Dequeue();
Color entryColor = GetEntryColor(entry);
if (currentGroup == null || entryColor != currentGroup.Color)
{
currentGroup = new ColoredLogGroup(entryColor);
entryGroups.Add(currentGroup);
}
currentGroup.Entries.Add(entry);
currentLines++;
}
}
this.AddLogGroups(entryGroups);
this.Dispatcher.BeginInvoke(new Action(this.ProcessPendingEntries));
}
// Adds pending entries to the UI
private void ProcessPendingEntries()
{
List <ColoredLogGroup> entryGroups;
lock (this.pendingEntriesLock)
{
if (this.pendingEntries.Count == 0)
{
// If we are already at the bottom, scroll to the end, which will fire after the entries have been added to the UI.
if (this.logTextBox.VerticalOffset + this.logTextBox.ViewportHeight >= this.logTextBox.ExtentHeight)
{
this.logTextBox.ScrollToEnd();
}
this.workerRunning = false;
return;
}
// copy some pending items to groups
entryGroups = new List <ColoredLogGroup>();
ColoredLogGroup currentGroup = null;
int currentLines = 0;
while (this.pendingEntries.Count > 0 && entryGroups.Count < MaxRunsPerDispatch && currentLines < MaxLinesPerDispatch)
{
LogEntry entry = this.pendingEntries.Dequeue();
LogColor entryColor = GetEntryColor(entry);
if (currentGroup == null || entryColor != currentGroup.Color)
{
currentGroup = new ColoredLogGroup(entryColor);
entryGroups.Add(currentGroup);
}
currentGroup.Entries.Add(entry);
currentLines++;
}
}
this.AddLogGroups(entryGroups);
this.ProcessPendingEntries();
}
