public override IEnumerable <PatternInstance> DetectAsPatternInstances(ILogProvider logProvider) { // we only consider "Create" because people often do not close the application at all. List <Event> list = logProvider.LoggedEvents.Where(x => x is DocumentChange || (x is RunCommand && !((RunCommand)x).IsTerminate)).ToList(); Event lastRun = null; List <ParameterTuneElement> deleteOffsets = new List <ParameterTuneElement>(); foreach (int i in Enumerable.Range(0, list.Count)) { if (list[i] is RunCommand) { RunCommand currentRun = (RunCommand)list[i]; if (lastRun != null) { // TODO: Make it as an option! Current value is 1 min. if (currentRun.Timestamp - lastRun.Timestamp <= 45000) { foreach (var element in deleteOffsets) { if (CheckElement(element)) { var result = new PatternInstance( lastRun, -1, "Deleted: \"" + element.DeletedText + "\", Inserted: \"" + element.InsertedText + "\"" ); yield return(result); } } } } lastRun = currentRun; deleteOffsets.Clear(); } else if (list[i] is DocumentChange) { DocumentChange dc = (DocumentChange)list[i]; if (dc is Delete) { Delete delete = (Delete)dc; // TODO: Merge delete offsets if necessary! foreach (int j in Enumerable.Range(0, deleteOffsets.Count)) { if (deleteOffsets[j].Confirmed) { continue; } if (deleteOffsets[j].DeleteOffset > delete.Offset) { deleteOffsets[j].DeleteOffset -= delete.Length; } } deleteOffsets.Add(new ParameterTuneElement(delete)); } else if (dc is Insert) { Insert insert = (Insert)dc; foreach (int j in Enumerable.Range(0, deleteOffsets.Count)) { if (deleteOffsets[j].Confirmed) { continue; } if (deleteOffsets[j].DeleteOffset > insert.Offset) { deleteOffsets[j].DeleteOffset += insert.Length; } else if (deleteOffsets[j].DeleteOffset == insert.Offset) { deleteOffsets[j].InsertedText = insert.Text; deleteOffsets[j].Confirmed = true; } } } else if (dc is Replace && !logProvider.CausedByAutoIndent(dc) && !logProvider.CausedByAssist(dc)) { Replace replace = (Replace)dc; deleteOffsets.Add(new ParameterTuneElement(replace)); foreach (int j in Enumerable.Range(0, deleteOffsets.Count)) { if (deleteOffsets[j].Confirmed) { continue; } if (deleteOffsets[j].DeleteOffset == replace.Offset) { deleteOffsets[j].DeleteOffset -= replace.Length; deleteOffsets[j].DeleteOffset += replace.InsertionLength; } } } } } }