Split logging code a bit more

MPF.UI.Core/UserControls/LogOutput.xaml.cs

@@ -1,4 +1,7 @@
-using System.Windows.Controls;
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using MPF.Core.Data;
 using MPF.UI.Core.ViewModels;
 
 namespace MPF.UI.Core.UserControls
@@ -6,14 +9,130 @@ namespace MPF.UI.Core.UserControls
     public partial class LogOutput : UserControl
     {
         /// <summary>
-        /// Read-only access to the current log view model
+        /// Read-only access to the current log output view model
         /// </summary>
-        public LogViewModel LogViewModel => DataContext as LogViewModel;
+        public LogOutputViewModel LogOutputViewModel => DataContext as LogOutputViewModel;
 
         public LogOutput()
         {
             InitializeComponent();
-            DataContext = new LogViewModel(this);
+            DataContext = new LogOutputViewModel();
+
+            // Add handlers
+            OutputViewer.SizeChanged += OutputViewerSizeChanged;
+            Output.TextChanged += OnTextChanged;
+            ClearButton.Click += OnClearButton;
+            SaveButton.Click += OnSaveButton;
+
+            // Update the internal state
+            Output.Document = LogOutputViewModel.Document;
         }
+
+        #region Logging
+
+        /// <summary>
+        /// Enqueue text to the log
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        public void Log(string text) => LogInternal(text, LogLevel.USER);
+
+        /// <summary>
+        /// Enqueue text with a newline to the log
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        public void LogLn(string text) => Log(text + "\n");
+
+        /// <summary>
+        /// Enqueue error text to the log
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        public void ErrorLog(string text) => LogInternal(text, LogLevel.ERROR);
+
+        /// <summary>
+        /// Enqueue error text with a newline to the log
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        public void ErrorLogLn(string text) => ErrorLog(text + "\n");
+
+        /// <summary>
+        /// Enqueue secret text to the log
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        public void SecretLog(string text) => LogInternal(text, LogLevel.SECRET);
+
+        /// <summary>
+        /// Enqueue secret text with a newline to the log
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        public void SecretLogLn(string text) => SecretLog(text + "\n");
+
+        /// <summary>
+        /// Enqueue verbose text to the log
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        public void VerboseLog(string text) => LogInternal(text, LogLevel.VERBOSE);
+
+        /// <summary>
+        /// Enqueue verbose text with a newline to the log
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        public void VerboseLogLn(string text) => VerboseLog(text + "\n");
+
+        /// <summary>
+        /// Reset the progress bar state
+        /// </summary>
+        public void ResetProgressBar()
+        {
+            Dispatcher.Invoke(() =>
+            {
+                ProgressBar.Value = 0;
+                ProgressLabel.Text = string.Empty;
+            });
+        }
+
+        /// <summary>
+        /// Enqueue text to the log with formatting
+        /// </summary>
+        /// <param name="text">Text to write to the log</param>
+        /// <param name="logLevel">LogLevel for the log</param>
+        private void LogInternal(string text, LogLevel logLevel)
+        {
+            // Null text gets ignored
+            if (text == null)
+                return;
+
+            // Enqueue the text
+            LogOutputViewModel.LogQueue.Enqueue(new LogOutputViewModel.LogLine(text, logLevel));
+        }
+
+        #endregion
+
+        #region Helpers
+
+        /// <summary>
+        /// Scroll the current view to the bottom
+        /// </summary>
+        public void ScrollToBottom() => OutputViewer.ScrollToBottom();
+
+        #endregion
+
+        #region EventHandlers
+
+        private void OnClearButton(object sender, EventArgs e)
+        {
+            LogOutputViewModel.ClearInlines();
+            ResetProgressBar();
+        }
+
+        private void OnSaveButton(object sender, EventArgs e)
+            => LogOutputViewModel.SaveInlines();
+
+        private void OnTextChanged(object sender, TextChangedEventArgs e)
+            => ScrollToBottom();
+
+        private void OutputViewerSizeChanged(object sender, SizeChangedEventArgs e)
+            => ScrollToBottom();
+
+        #endregion
     }
 }