Added CompanionLogSetup.cs

Plugins/Standalone/CompanionLogSetup.cs

@@ -0,0 +1,113 @@
+using Advanced_Combat_Tracker;
+using System;
+using System.IO;
+using System.Reflection;
+using System.Windows.Forms;
+
+[assembly: AssemblyTitle("Companion Log Setup Demo")]
+[assembly: AssemblyDescription("A sample plugin that demonstrates how to setup a Companion Log.")]
+[assembly: AssemblyCompany("EQAditu")]
+[assembly: AssemblyVersion("1.0.0.1")]
+
+namespace ACT_Plugin
+{
+	public class CompanionLogSetup : IActPluginV1
+	{
+		Label lblStatus;
+		FileStream fs;
+		StreamWriter sw;
+
+		public void InitPlugin(TabPage pluginScreenSpace, Label pluginStatusText)
+		{
+			lblStatus = pluginStatusText;   // Hand the status label's reference to our local var
+			ActGlobals.oFormActMain.LogFileChanged += FormActMain_LogFileChanged;
+			ActGlobals.oFormActMain.LogFileRenamed += FormActMain_LogFileRenamed;	// Less useful for games that rename every day
+
+			if (ActGlobals.oFormActMain.InitActDone)    // Loaded after ACT startup, so we missed the LogFileChanged event
+				FormActMain_LogFileChanged(false, ActGlobals.oFormActMain.LogFilePath);
+
+			lblStatus.Text = "Plugin Started";
+		}
+
+		/// <summary>
+		/// If not IsImport, ACT is likely listening to a new main log file, so we must make sure we have a companion log for it before returning.
+		/// </summary>
+		/// <param name="IsImport"></param>
+		/// <param name="NewLogFileName"></param>
+		private void FormActMain_LogFileChanged(bool IsImport, string NewLogFileName)
+		{
+			try
+			{
+				if (IsImport)
+					return;
+				if (sw != null)
+				{
+					sw.Close();
+					sw = null;
+				}
+				string companionLogPath = ActGlobals.oFormActMain.GetCompanionFilePath(NewLogFileName, "demo");
+
+				fs = new FileStream(companionLogPath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Read);
+				fs.Seek(0, SeekOrigin.End);
+				sw = new StreamWriter(fs, ActGlobals.oFormActMain.LogEncoding);
+
+				ActGlobals.oFormActMain.WriteDebugLog("[CompanionLogSetup] Opening: " + companionLogPath);
+			}
+			catch(Exception ex)
+			{
+				ActGlobals.oFormActMain.WriteExceptionLog(ex, "[CompanionLogSetup]");
+			}
+		}
+		/// <summary>
+		/// This is attached to the setting in misc options where files are renamed for archival purposes when over a certain size.  
+		/// Since the old main log is changing, we should rename the companion log so that imports will find the correct companion logs.
+		/// </summary>
+		/// <param name="LogFileRenamedArgs"></param>
+		private void FormActMain_LogFileRenamed(LogFileRenamedEventArgs LogFileRenamedArgs)
+		{
+			string companionLogPath = ActGlobals.oFormActMain.GetCompanionFilePath(LogFileRenamedArgs.From, "demo");
+			try
+			{
+				if (sw != null && fs.Name == companionLogPath) // The main log paired with our companion file is being renamed
+				{
+					sw.Close();
+					sw = null;
+
+					// FormActMain_LogFileChanged will be called soon to recreate the handle
+				}
+				if (File.Exists((companionLogPath)))    // Might have an old file from a previous run that we haven't opened yet
+				{
+					ActGlobals.oFormActMain.WriteDebugLog("[CompanionLogSetup] Renaming for: " + LogFileRenamedArgs.To);
+					File.Move(companionLogPath, ActGlobals.oFormActMain.GetCompanionFilePath(LogFileRenamedArgs.To, "demo"));
+				}
+			}
+			catch (Exception ex)
+			{
+				ActGlobals.oFormActMain.WriteExceptionLog(ex, "Renaming: " + companionLogPath);
+			}
+		}
+
+		/// <summary>
+		/// Anything written to the CompanionLog will raise BeforeLogLineRead and OnLogLineRead, just like normal parsing.
+		/// </summary>
+		/// <param name="Logtext">Needs to contain normal main log timestamps/formatting.  
+		/// Use FormActMain.LastKnownTime/LastEstimatedTime to stay in sync with the main log.</param>
+		private void WriteToCompanionLog(string Logtext)
+		{
+			if (sw != null) // Avoid writing before the handles are created
+			{
+				sw.WriteLine(Logtext);
+				sw.Flush();
+			}
+		}
+
+		public void DeInitPlugin()
+		{
+			// Unsubscribe from any events you listen to when exiting!
+			ActGlobals.oFormActMain.LogFileChanged -= FormActMain_LogFileChanged;
+			ActGlobals.oFormActMain.LogFileRenamed -= FormActMain_LogFileRenamed;
+
+			lblStatus.Text = "Plugin Exited";
+		}
+	}
+}