Установка файловой ассоциации с *.log файлами и открытие приложение с параметром пути к лог файлу.

Author: desol8686

LogViewer/FileAssociations.cs

@@ -0,0 +1,91 @@
+using Microsoft.Win32;
+using System;
+using System.Diagnostics;
+using System.Windows;
+
+namespace LogViewer
+{
+  public class FileAssociations
+  {
+    // needed so that Explorer windows get refreshed after the registry is updated
+    [System.Runtime.InteropServices.DllImport("Shell32.dll")]
+    private static extern int SHChangeNotify(int eventId, int flags, IntPtr item1, IntPtr item2);
+
+    private const int SHCNE_ASSOCCHANGED = 0x8000000;
+    private const int SHCNF_FLUSH = 0x1000;
+    private const string Extension = ".log";
+    private const string ProgId = "Directum_Log_Viewer_File";
+    private const string FileTypeDescription = "Directum Log Viewer File";
+
+    public static void SetAssociation()
+    {
+      try
+      {
+        var filePath = Process.GetCurrentProcess().MainModule.FileName;
+        SetAssociation(Extension, ProgId, FileTypeDescription, filePath);
+        SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_FLUSH, IntPtr.Zero, IntPtr.Zero);
+      }
+      catch (Exception ex)
+      {
+        MessageBox.Show($"Error setting file association: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
+      }
+    }
+
+    public static void RemoveAssociation()
+    {
+      try
+      {
+        RemoveAssociation(Extension, ProgId);
+        SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_FLUSH, IntPtr.Zero, IntPtr.Zero);
+      }
+      catch (Exception ex)
+      {
+        MessageBox.Show($"Error remove file association: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
+      }
+    }
+
+    public static void SetAssociation(string extension, string progId, string fileTypeDescription, string applicationFilePath)
+    {
+      var key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\" + extension, true);
+      key.DeleteSubKey("UserChoice", false);
+      key.Close();
+
+      SetKeyDefaultValue(@"Software\Classes\" + extension, progId);
+      SetKeyDefaultValue(@"Software\Classes\" + progId, fileTypeDescription);
+      SetKeyDefaultValue($@"Software\Classes\{progId}\shell\open\command", "\"" + applicationFilePath + "\" \"%1\"");
+    }
+
+    public static void RemoveAssociation(string extension, string progId)
+    {
+      DeleteSubKeyTree(@"Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts", extension);
+      SetKeyDefaultValue(@"Software\Classes\" + extension, string.Empty);
+      DeleteSubKeyTree(@"Software\Classes", progId);
+    }
+
+    private static bool SetKeyDefaultValue(string keyPath, string value)
+    {
+      using (var key = Registry.CurrentUser.CreateSubKey(keyPath))
+      {
+        if (key.GetValue(null) as string != value)
+        {
+          key.SetValue(null, value);
+          return true;
+        }
+      }
+
+      return false;
+    }
+
+    private static void DeleteSubKeyTree(string key, string subkey)
+    {
+      using (var keyroot = Registry.CurrentUser.OpenSubKey(key, RegistryKeyPermissionCheck.ReadWriteSubTree))
+      {
+        if (keyroot == null)
+          return;
+
+        keyroot.GetAccessControl(System.Security.AccessControl.AccessControlSections.All);
+        keyroot.DeleteSubKeyTree(subkey);
+      }
+    }
+  }
+}

LogViewer/MainWindow.xaml

@@ -6,7 +6,7 @@
         xmlns:local="clr-namespace:LogViewer"
         xmlns:tb="http://www.hardcodet.net/taskbar"
         mc:Ignorable="d"
-        Title="{Binding WindowTitle}" Height="650" Width="1024" SizeToContent="Manual" WindowStartupLocation="CenterScreen" WindowState="Maximized">
+        Title="{Binding WindowTitle}" Height="650" Width="1024" SizeToContent="Manual" WindowStartupLocation="CenterScreen" WindowState="Maximized" ContentRendered="Window_ContentRendered">
 
     <Window.Resources>
         <Style x:Key="placeHolder" TargetType="{x:Type TextBox}" BasedOn="{StaticResource {x:Type TextBox}}">

LogViewer/MainWindow.xaml.cs

@@ -68,9 +68,12 @@ public MainWindow()
 
       SettingsWindow.Load();
 
-      if (SettingsWindow.IsFirstRun() && !SettingsWindow.ShowSettingsDialog() == true)
+      if (SettingsWindow.IsFirstRun())
       {
-        Application.Current.Shutdown();
+        if (SettingsWindow.ShowSettingsDialog() == true)
+          ApplySettings();
+        else
+          Application.Current.Shutdown();
       }
 
       notificationIcon = SaveNotifyLogoFromResource();
@@ -254,8 +257,8 @@ private void OpenLogFile(string fullPath)
         logWatcher.ReadToEndLine();
         LogsGrid.ItemsSource = logLines;
         Filter.Text = filterValue;
-        gridScrollViewer = GetScrollViewer(LogsGrid);
-        gridScrollViewer.ScrollToEnd();
+        LogsGrid.ScrollIntoView(logLines.Last());
+
         logWatcher.StartWatch(gridUpdatePeriod);
 
         var tenants = logLines.Where(l => !string.IsNullOrEmpty(l.Tenant)).Select(l => l.Tenant).Distinct().OrderBy(l => l);
@@ -302,29 +305,9 @@ private void Files_SelectionChanged(object sender, SelectionChangedEventArgs e)
         dialog.Filters.Add(new CommonFileDialogFilter("Log Files (*.log)", ".log"));
 
         if (CommonFileDialogResult.Ok == dialog.ShowDialog())
-        {
-          var logFiles = comboBox.Items.Cast<LogFile>().ToList();
-
-          var logFile = logFiles.FirstOrDefault(l => string.Equals(l.FullPath, dialog.FileName, StringComparison.InvariantCultureIgnoreCase));
-
-          if (logFile != null)
-          {
-            comboBox.SelectedItem = logFile;
-          }
-          else
-          {
-            // Создать фоновый обработчик для нового файла.
-            LogHandlers.Add(new LogHandler(dialog.FileName, notificationIcon));
-
-            logFile = new LogFile(dialog.FileName);
-            comboBox.Items.Insert(comboBox.Items.Count - 1, logFile);
-            comboBox.SelectedItem = logFile;
-          }
-        }
+          SelectFileToOpen(dialog.FileName);
         else
-        {
           comboBox.SelectedItem = null;
-        }
 
         return;
       }
@@ -335,23 +318,6 @@ private void Files_SelectionChanged(object sender, SelectionChangedEventArgs e)
       OpenLogFile(openedFileFullPath);
     }
 
-    private ScrollViewer GetScrollViewer(UIElement element)
-    {
-      if (element == null)
-        return null;
-
-      ScrollViewer result = null;
-      for (int i = 0; i < VisualTreeHelper.GetChildrenCount(element) && result == null; i++)
-      {
-        if (VisualTreeHelper.GetChild(element, i) is ScrollViewer)
-          result = (ScrollViewer)(VisualTreeHelper.GetChild(element, i));
-        else
-          result = GetScrollViewer(VisualTreeHelper.GetChild(element, i) as UIElement);
-      }
-
-      return result;
-    }
-
     private void OnBlockNewLines(List<string> lines, bool isEndFile, double progress)
     {
       var convertedLogLines = Converter.ConvertLinesToObjects(lines);
@@ -413,19 +379,19 @@ private void LogsGrid_SelectionChanged(object sender, SelectionChangedEventArgs
         DetailText.Text = String.Empty;
 
         if (!String.IsNullOrEmpty(line.UserName))
-          DetailText.Text += $"UserName: {line.UserName} \n";
+          DetailText.Text += $"UserName: {line.UserName}\n";
 
         if (!String.IsNullOrEmpty(line.Tenant))
-          DetailText.Text += $"Tenant: {line.Tenant} \n";
+          DetailText.Text += $"Tenant: {line.Tenant}\n";
 
         if (!String.IsNullOrEmpty(line.Pid))
-          DetailText.Text += $"Pid: {line.Pid} \n";
+          DetailText.Text += $"Pid: {line.Pid}\n";
 
         if (!String.IsNullOrEmpty(line.Trace))
-          DetailText.Text += $"Trace: {line.Trace} \n";
+          DetailText.Text += $"Trace: {line.Trace}\n";
 
         if (!String.IsNullOrEmpty(line.Version))
-          DetailText.Text += $"Version: {line.Version} \n";
+          DetailText.Text += $"Version: {line.Version}\n";
 
         if (!String.IsNullOrEmpty(line.FullMessage))
         {
@@ -446,6 +412,7 @@ private void Settins_Click(object sender, RoutedEventArgs e)
     {
       if (SettingsWindow.ShowSettingsDialog() == true)
       {
+        ApplySettings();
         // TODO сделать применение настроек без перезапуска приложения.
         MessageBox.Show("Settings will be applied after restarting the application");
         Application.Current.Shutdown();
@@ -618,5 +585,46 @@ private void ColumnVisibilityUnchecked(object sender, RoutedEventArgs e)
         columns.Visibility = Visibility.Collapsed;
       }
     }
+
+    private void ApplySettings()
+    {
+      if (SettingsWindow.AssociateLogFile == true)
+        FileAssociations.SetAssociation();
+      else
+        FileAssociations.RemoveAssociation();
+    }
+
+    private void SelectFileToOpen(string fileName)
+    {
+      var logFiles = LogsFileNames.Items.Cast<LogFile>().ToList();
+
+      var logFile = logFiles.FirstOrDefault(l => string.Equals(l.FullPath, fileName, StringComparison.InvariantCultureIgnoreCase));
+
+      if (logFile != null)
+      {
+        LogsFileNames.SelectedItem = logFile;
+      }
+      else
+      {
+        // Создать фоновый обработчик для нового файла.
+        LogHandlers.Add(new LogHandler(fileName, notificationIcon));
+
+        logFile = new LogFile(fileName);
+        LogsFileNames.Items.Insert(LogsFileNames.Items.Count - 1, logFile);
+        LogsFileNames.SelectedItem = logFile;
+      }
+    }
+
+    private void Window_ContentRendered(object sender, EventArgs e)
+    {
+      var args = Environment.GetCommandLineArgs();
+      if (args.Length > 1)
+      {
+        var fileName = args[1];
+
+        if (File.Exists(fileName) && Path.GetExtension(fileName) == ".log")
+          SelectFileToOpen(fileName);
+      }
+    }
   }
 }

LogViewer/SettingsWindow.xaml

@@ -35,7 +35,7 @@
       VerticalScrollBarVisibility="Visible"
       Text="{Binding Path=(local:SettingsWindow.WhitelistLogs), Mode=TwoWay}"/>
 
-    <CheckBox Grid.Row="4" Margin="0,5,0,0" x:Name="BackgroundConvertCheckBox" IsThreeState="False" Height="20" Content="Background conversion to file" IsChecked="{Binding Path=(local:SettingsWindow.BackgroundConvert), Mode=TwoWay}" />
+        <CheckBox Grid.Row="4" Margin="0,5,0,0" x:Name="AssociateLogFileCheckBox" IsThreeState="False" Height="20" Content="associate *.log file with application" IsChecked="{Binding Path=(local:SettingsWindow.AssociateLogFile), Mode=TwoWay}" />
 
     <WrapPanel Grid.Row="5" HorizontalAlignment="Right" Margin="0,0,0,0" VerticalAlignment="Bottom">
       <Button IsDefault="False" Click="Accept_Click" MinWidth="60" Margin="0,0,10,0">OK</Button>

LogViewer/SettingsWindow.xaml.cs

@@ -13,13 +13,13 @@ public partial class SettingsWindow : Window
   {
     public static string LogsPath { get; set; }
     public static string WhitelistLogs { get; set; }
-    public static bool BackgroundConvert { get; set; }
+    public static bool AssociateLogFile { get; set; }
 
     private static readonly string DefaultLogPath = @"D:\Projects\master\Logs";
     private static readonly string RegKey = @"SOFTWARE\JsonLogViewerSettings";
     private static readonly string LogsPathKey = "LogsPath";
     private static readonly string WhitelistKey = "WhiteList";
-    private static readonly string BackgroundConvertKey = "BackgroundConvert";
+    private static readonly string AssociateLogFileKey = "AssociateLogFile";
     private static readonly List<string> DefaultListLogs = new List<string>
     {
       "${machinename}.WebServer.${shortdate}",
@@ -56,7 +56,7 @@ public static bool IsFirstRun()
         using RegistryKey key = Registry.CurrentUser.CreateSubKey(RegKey);
         key.SetValue(LogsPathKey, dialog.LogsPathTextBox.Text);
         key.SetValue(WhitelistKey, dialog.WhiteListTextBox.Text);
-        key.SetValue(BackgroundConvertKey, dialog.BackgroundConvertCheckBox.IsChecked);
+        key.SetValue(AssociateLogFileKey, dialog.AssociateLogFileCheckBox.IsChecked);
         key.Close();
       }
 
@@ -71,7 +71,7 @@ public static void Load()
 
       WhitelistLogs = (string)key.GetValue(WhitelistKey, string.Join("\n", DefaultListLogs));
 
-      BackgroundConvert = Convert.ToBoolean(key.GetValue(BackgroundConvertKey, false));
+      AssociateLogFile = Convert.ToBoolean(key.GetValue(AssociateLogFileKey, false));
 
       key.Close();
     }