Add references support

lib/ui/widgets/text_widget.dart

@@ -1,5 +1,6 @@
 import 'package:comunic/utils/bbcode_parser.dart';
 import 'package:comunic/utils/input_utils.dart';
+import 'package:comunic/utils/navigation_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_emoji/flutter_emoji.dart';
 import 'package:url_launcher/url_launcher.dart';
@@ -32,17 +33,17 @@ class TextWidget extends StatelessWidget {
     if (this.parseBBcode)
       return BBCodeParsedWidget(
         text: content,
-        parseCallback: (style, text) => _parseLinks(text, style),
+        parseCallback: (style, text) => _parseLinks(context, text, style),
       );
 
     // Just parse link
     return RichText(
-      text: TextSpan(children: _parseLinks(content, style)),
+      text: TextSpan(children: _parseLinks(context, content, style)),
     );
   }
 
   /// Sub parse function
-  List<InlineSpan> _parseLinks(String text, TextStyle style) {
+  List<InlineSpan> _parseLinks(BuildContext context, String text, TextStyle style) {
     var buff = StringBuffer();
     final list = new List<InlineSpan>();
 
@@ -78,6 +79,25 @@ class TextWidget extends StatelessWidget {
         buff.write(" ");
       }
 
+      // Check if it is a user reference
+      else if(validateUserReference(word)) {
+        changeWordType();
+
+        list.add(
+          WidgetSpan(
+            child: InkWell(
+              child: Text(
+                word,
+                style: style.copyWith(color: Colors.blueAccent),
+              ),
+              onTap: () => openVirtualDirectory(context, word),
+            ),
+          ),
+        );
+
+        buff.write(" ");
+      }
+
       // Simple word
       else {
         buff.write(word);