Initial commit

HtmlTextBlock.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Documents;
+
+namespace ChrisKaczor.Wpf.Controls
+{
+    public class HtmlTextBlock : TextBlock
+    {
+        public static readonly DependencyProperty HtmlProperty = DependencyProperty.Register(nameof(Html), typeof(string), typeof(HtmlTextBlock), new UIPropertyMetadata("Html", OnHtmlChanged));
+
+        private static void OnHtmlChanged(DependencyObject s, DependencyPropertyChangedEventArgs e)
+        {
+            var htmlTextBlock = (HtmlTextBlock) s;
+
+            Parse(htmlTextBlock, e.NewValue as string);
+        }
+
+        private static void Parse(HtmlTextBlock control, string? value)
+        {
+            try
+            {
+                control.Inlines.Clear();
+
+                var parser = new TextParser();
+                var lines = parser.Parse(control, value);
+
+                foreach (var line in lines)
+                {
+                    foreach (var fragment in line.FragmentList)
+                    {
+                        var run = new Run(fragment.Text)
+                        {
+                            FontStyle = fragment.Style,
+                            FontWeight = fragment.Weight,
+                            FontSize = fragment.Size,
+                            Foreground = fragment.Color
+                        };
+
+                        control.Inlines.Add(run);
+                    }
+                }
+            }
+            catch (Exception)
+            {
+                control.Inlines.Clear();
+
+                control.Text = value;
+            }
+        }
+
+        public string Html
+        {
+            get => (string) GetValue(HtmlProperty);
+            set => SetValue(HtmlProperty, value);
+        }
+    }
+}