Visualize LoggingMessageType by color

Author: RolandKoenig

MessageCommunicator.TestGui/Views/_ConnectionProfile/ConnectionProfileView.xaml

@@ -7,7 +7,6 @@
              mc:Ignorable="d"
              d:Width="400" d:Height="400"
              x:Class="MessageCommunicator.TestGui.Views.ConnectionProfileView">
-
     <DockPanel LastChildFill="True">
         <DockPanel DockPanel.Dock="Bottom"
                    LastChildFill="True">

MessageCommunicator.TestGui/Views/_LoggingView/LoggingView.xaml

@@ -8,6 +8,10 @@
              d:Width="400" d:Height="400"
              x:Class="MessageCommunicator.TestGui.Views.LoggingView">
 
+    <UserControl.Resources>
+        <localRoot:LoggingMessageTypeToColorConverter x:Key="LoggingMessageTypeConverter" />
+    </UserControl.Resources>
+  
     <DockPanel LastChildFill="True">
         <Menu DockPanel.Dock="Top">
             <MenuItem ToolTip.Tip="Copy message"
@@ -33,6 +37,17 @@
                                     IsReadOnly="True"
                                     Binding="{Binding Path=TimeStamp}"
                                     Width="150" />
+                <DataGridTemplateColumn Header=" "
+                                        Width="24">
+                    <DataGridTemplateColumn.CellTemplate>
+                        <DataTemplate>
+                            <Rectangle
+                                Fill="{Binding Path=MessageType, Converter={StaticResource LoggingMessageTypeConverter}}"
+                                Margin="5"
+                                Name="StateRect" />
+                        </DataTemplate>
+                    </DataGridTemplateColumn.CellTemplate>
+                </DataGridTemplateColumn>
                 <DataGridTextColumn Header="Type"
                                     IsReadOnly="True"
                                     Binding="{Binding Path=MessageType}"

MessageCommunicator.TestGui/_Util/_Converters/LoggingMessageTypeToColorConverter.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Globalization;
+using Avalonia.Data.Converters;
+using Avalonia.Media;
+
+namespace MessageCommunicator.TestGui
+{
+    public class LoggingMessageTypeToColorConverter : IValueConverter
+    {
+        /// <inheritdoc />
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var connState = (string) value;
+            switch (connState)
+            {
+                case nameof(LoggingMessageType.Error):
+                    return Brushes.Red;
+
+                case nameof(LoggingMessageType.Warning):
+                    return Brushes.Yellow;
+                
+                default:
+                    return Brushes.Transparent;
+            }
+        }
+
+        /// <inheritdoc />
+        public object? ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotSupportedException();
+        }
+    }
+}