From 28986641046c8ee1dc2aba0055dfa36b811b25d2 Mon Sep 17 00:00:00 2001
From: k0st1x
Date: Sun, 30 Sep 2012 23:22:25 +0400
Subject: replace TextBlock by RichTextBox

---
 Juick/Classes/RichTextConverter.cs | 68 ++++++++++++++++++++++----------------
 1 file changed, 39 insertions(+), 29 deletions(-)

(limited to 'Juick/Classes/RichTextConverter.cs')

diff --git a/Juick/Classes/RichTextConverter.cs b/Juick/Classes/RichTextConverter.cs
index ee6ffa7..cdc1938 100644
--- a/Juick/Classes/RichTextConverter.cs
+++ b/Juick/Classes/RichTextConverter.cs
@@ -1,53 +1,63 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
-using System.Net;
-using System.Windows;
-using System.Windows.Controls;
+using System.Linq;
+using System.Text.RegularExpressions;
 using System.Windows.Data;
 using System.Windows.Documents;
-using System.Windows.Ink;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Animation;
-using System.Windows.Shapes;
-using Microsoft.Phone.Tasks;
 
 namespace Juick.Classes
 {
     public class RichTextConverter : IValueConverter
     {
+        static readonly Regex UrlRegex = new Regex(@"http(s)?://([\w+?\.\w+])+([a-zA-Z0-9\~\!\@\#\$\%\^\&\*\(\)_\-\=\+\\\/\?\.\:\;\'\,]*)?", RegexOptions.Compiled);
+
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {
-            var message = value as string;
-            var runs = new List<Inline>();
-
-            foreach (var word in message.Split(new char[] {' ', '\n'}))
+            var stringValue = (string)value;
+            if (string.IsNullOrEmpty(stringValue))
             {
-                Uri uri;
+                return Enumerable.Empty<Inline>();
+            }
 
-                if (Uri.TryCreate(word, UriKind.Absolute, out uri) ||
-                   (word.StartsWith("www.") && Uri.TryCreate("http://" + word, UriKind.Absolute, out uri)))
+            var result = new List<Inline>();
+            var index = 0;
+            foreach (var match in UrlRegex.Matches(stringValue).Cast<Match>())
+            {
+                Uri uri = null;
+                if (!Uri.TryCreate(match.Value, UriKind.Absolute, out uri))
                 {
-                    var link = new Hyperlink();
-                    link.Inlines.Add(new Run() { Text = word });
-                    link.Click += (sender, e) =>
-                    {
-                        var hyperLink = (sender as Hyperlink);
-                        new WebBrowserTask() { Uri = uri }.Show();
-                    };
-
-                    runs.Add(link);
+                    continue;
                 }
-                else
+                if (match.Index > 0)
                 {
-                    runs.Add(new Run() { Text = word });
+                    var length = match.Index - index;
+                    if (length > 0)
+                    {
+                        result.Add(new Run { Text = stringValue.Substring(index, length) });
+                    }
                 }
 
-                runs.Add(new Run() { Text = " " });
+                var hyperLink = new Hyperlink
+                {
+                    NavigateUri = uri,
+                    TargetName = "_blank"
+                };
+                hyperLink.Inlines.Add(uri.Host);
+                result.Add(hyperLink);
+
+                index = match.Index + match.Length;
             }
 
-            return runs;
+            if (index == 0 || index < stringValue.Length - 1)
+            {
+                var lastRunText = stringValue.Substring(index);
+                if (lastRunText.Length > 0)
+                {
+                    result.Add(new Run { Text = lastRunText });
+                }
+            }
+            return result;
         }
 
         public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
-- 
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