inital

FasdDesktopUi/Basics/Helper/RichTextBoxHelper.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Documents;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+using static C4IT.Logging.cLogManager;
+using static System.Net.Mime.MediaTypeNames;
+
+namespace FasdDesktopUi.Basics.Helper
+{
+    public static class cRichTextBoxHelper
+    {
+        #region Unicode
+
+        public static void TraverseBlockAsUnicode(BlockCollection blocks, StringBuilder stringBuilder, bool isBlockFromList = false)
+        {
+            try
+            {
+                foreach (Block block in blocks)
+                {
+                    if (block is Paragraph paragraph)
+                    {
+                        TraverseParagraphAsUnicode(paragraph, stringBuilder);
+                        stringBuilder.AppendLine();
+                    }
+                    else if (block is List list)
+                    {
+                        TraverseListAsUnicode(list, stringBuilder);
+                        stringBuilder.AppendLine();
+                    }
+                    else if (block is BlockUIContainer container)
+                    {
+                        if (container.Child is System.Windows.Controls.Image image)
+                        {
+                            TraverseImageAsUnicode(image, stringBuilder);
+                            stringBuilder.AppendLine();
+                        }
+                    }
+                }
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+        }
+
+        private static void TraverseParagraphAsUnicode(Paragraph paragraph, StringBuilder stringBuilder)
+        {
+
+            try
+            {
+                foreach (var inline in paragraph.Inlines)
+                {
+                    if (inline is Run run)
+                    {
+                        stringBuilder.Append(run.Text);
+                    }
+                }
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+        }
+
+        private static void TraverseListAsUnicode(List list, StringBuilder stringBuilder)
+        {
+
+            try
+            {
+
+                if (list.MarkerStyle == TextMarkerStyle.Decimal)
+                {
+
+                    for (int i = 0; i < list.ListItems.Count; i++)
+                    {
+
+                        stringBuilder.Append(i + 1 + ". ");
+                        TraverseBlockAsUnicode(list.ListItems.ElementAt(i).Blocks, stringBuilder, true);
+
+                    }
+                }
+                else
+                {
+                    foreach (var item in list.ListItems)
+                    {
+
+                        stringBuilder.Append("- ");
+                        TraverseBlockAsUnicode(item.Blocks, stringBuilder, true);
+
+                    }
+                }
+
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+        }
+
+        private static void TraverseImageAsUnicode(System.Windows.Controls.Image image, StringBuilder stringBuilder)
+        {
+
+
+            try
+            {
+                stringBuilder.Append("[Image]");
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+
+
+        }
+
+        #endregion
+
+        #region Html
+
+        public static void TraverseBlockAsHtml(BlockCollection blocks, StringBuilder stringBuilder, bool isBlockFromList = false)
+        {
+            try
+            {
+                foreach (var block in blocks)
+                {
+                    if (block is Paragraph paragraph)
+                    {
+                        if (!isBlockFromList)
+                            stringBuilder.Append("<p>");
+
+                        TraverseParagraphAsHtml(paragraph, stringBuilder);
+
+                        if (!isBlockFromList)
+                            stringBuilder.Append("</p>");
+                    }
+                    else if (block is List list)
+                    {
+                        stringBuilder.Append(list.MarkerStyle == TextMarkerStyle.Decimal ? "<ol>" : "<ul>");
+                        TraverseListAsHtml(list, stringBuilder);
+                        stringBuilder.Append(list.MarkerStyle == TextMarkerStyle.Decimal ? "</ol>" : "</ul>");
+                    }
+                    else if (block is BlockUIContainer container)
+                    {
+                        if (container.Child is System.Windows.Controls.Image image)
+                        {
+
+                            TraverseImageAsHtml(image, stringBuilder);
+
+                        }
+
+                    }
+                }
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+        }
+
+        private static void TraverseParagraphAsHtml(Paragraph paragraph, StringBuilder stringBuilder)
+        {
+            try
+            {
+                foreach (var inline in paragraph.Inlines)
+                {
+                    TraverseInlineAsHtml(inline, stringBuilder);
+                }
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+        }
+
+        private static void TraverseInlineAsHtml(Inline inline, StringBuilder stringBuilder)
+        {
+            try
+            {
+                if (inline is Run run)
+                    TraverseRunAsHtml(run, stringBuilder);
+                else if (inline is Span span)
+                {
+                    foreach (var spanInline in span.Inlines)
+                    {
+                        TraverseInlineAsHtml(spanInline, stringBuilder);
+                    }
+                }
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+        }
+
+        private static void TraverseListAsHtml(List list, StringBuilder stringBuilder)
+        {
+            try
+            {
+                foreach (var listItem in list.ListItems)
+                {
+                    stringBuilder.AppendLine("<li>");
+                    TraverseBlockAsHtml(listItem.Blocks, stringBuilder, true);
+                    stringBuilder.Append("</li>");
+                }
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+        }
+
+        private static void TraverseImageAsHtml(System.Windows.Controls.Image image, StringBuilder stringBuilder)
+        {
+
+            try
+            {
+
+                byte[] arr;
+                using (MemoryStream ms = new MemoryStream())
+                {
+                    var bmp = image.Source as BitmapImage;
+                    PngBitmapEncoder encoder = new PngBitmapEncoder();
+                    encoder.Frames.Add(BitmapFrame.Create(bmp));
+                    encoder.Save(ms);
+                    arr = ms.ToArray();
+                }
+
+                stringBuilder.AppendLine("<img src=\"data:image/png;base64,");
+                stringBuilder.Append(Convert.ToBase64String(arr));
+                stringBuilder.Append("\"/>");
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+
+        }
+
+        public static void TraverseRunAsHtml(Run run, StringBuilder stringBuilder)
+        {
+            try
+            {
+                string styleString = string.Empty;
+                string runString = run.Text;
+
+                if (run.FontWeight == FontWeights.Bold)
+                {
+                    runString = runString.Insert(0, "<strong>");
+                    runString += "</strong>";
+                }
+
+                if (run.FontStyle == FontStyles.Italic)
+                {
+                    runString = runString.Insert(0, "<em>");
+                    runString += "</em>";
+                }
+
+                if (run.TextDecorations != null && run.TextDecorations.Count > 0)
+                {
+                    if (run.TextDecorations.FirstOrDefault()?.Location == TextDecorationLocation.Underline)
+                    {
+                        runString = runString.Insert(0, "<u>");
+                        runString += "</u>";
+                    }
+                }
+
+                if (run.FontSize != 12)
+                    styleString += $"font-size: {run.FontSize}px; ";
+
+                // default font size
+                //if (run.FontFamily != null)
+                //    styleString += $"font-family: {run.FontFamily}; ";
+
+                //default color instead null:
+                //if (run.Foreground != null) 
+                //    styleString += $"color: {run.Foreground}; ";
+
+                if (!string.IsNullOrWhiteSpace(styleString))
+                {
+                    styleString = styleString.Insert(0, "style=\"");
+                    styleString += "\"";
+                }
+
+                stringBuilder.AppendLine("<span " + styleString + ">");
+                stringBuilder.Append(runString);
+                stringBuilder.Append("</span>");
+            }
+            catch (Exception E)
+            {
+                LogException(E);
+            }
+        }
+
+        #endregion
+
+    }
+}