From 79be3afc553b786e6a87c1441d2175f742765995 Mon Sep 17 00:00:00 2001
From: Abhijith K <iamabhijith.k@gmail.com>
Date: Thu, 30 Jun 2022 02:30:00 +0530
Subject: [PATCH] add custom link styles and fix bug in identifying link types

text with multiple linktypes enabled were not properly identified
---
 example/lib/main.dart    |  6 ++++++
 lib/src/linkify.dart     | 16 ++++++++++------
 lib/src/model/link.dart  | 12 +++++++-----
 lib/src/utils/regex.dart | 14 +++++++-------
 4 files changed, 30 insertions(+), 18 deletions(-)

diff --git a/example/lib/main.dart b/example/lib/main.dart
index 691e88a..ef6d549 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -91,6 +91,12 @@ class _AppState extends State<App> {
                     textAlign: TextAlign.left,
                     linkTypes: texts[i]['types'],
                     textStyle: textStyle,
+                    customLinkStyles: {
+                      LinkType.email: TextStyle(color: Colors.blue),
+                      LinkType.hashTag: TextStyle(color: Colors.green),
+                      LinkType.userTag: TextStyle(color: Colors.deepPurple),
+                      LinkType.url: TextStyle(color: Colors.pink),
+                    },
                     linkStyle: textStyle.copyWith(
                       color: Colors.blue,
                       fontWeight: FontWeight.bold,
diff --git a/lib/src/linkify.dart b/lib/src/linkify.dart
index 7668295..6ddea2d 100644
--- a/lib/src/linkify.dart
+++ b/lib/src/linkify.dart
@@ -11,6 +11,7 @@ class LinkifyText extends StatelessWidget {
       this.linkStyle,
       this.linkTypes,
       this.onTap,
+      this.customLinkStyles,
       this.strutStyle,
       this.textAlign,
       this.textDirection,
@@ -126,15 +127,17 @@ class LinkifyText extends StatelessWidget {
   /// {@macro flutter.painting.textPainter.textWidthBasis}
   final TextWidthBasis? textWidthBasis;
 
+  final Map<LinkType, TextStyle>? customLinkStyles;
+
   @override
   Widget build(BuildContext context) {
     return Text.rich(
       _linkify(
-        text: text,
-        linkStyle: linkStyle,
-        onTap: onTap,
-        linkTypes: linkTypes,
-      ),
+          text: text,
+          linkStyle: linkStyle,
+          onTap: onTap,
+          linkTypes: linkTypes,
+          customLinkStyles: customLinkStyles),
       key: key,
       style: textStyle,
       strutStyle: strutStyle,
@@ -155,6 +158,7 @@ TextSpan _linkify({
   String text = '',
   TextStyle? linkStyle,
   List<LinkType>? linkTypes,
+  Map<LinkType, TextStyle>? customLinkStyles,
   Function(Link)? onTap,
 }) {
   final _regExp = constructRegExpFromLinkType(linkTypes ?? [LinkType.url]);
@@ -177,7 +181,7 @@ TextSpan _linkify({
       spans.add(
         TextSpan(
           text: link.value,
-          style: linkStyle,
+          style: customLinkStyles?[link.type] ?? linkStyle,
           recognizer: TapGestureRecognizer()
             ..onTap = () {
               if (onTap != null) onTap(link);
diff --git a/lib/src/model/link.dart b/lib/src/model/link.dart
index 8136401..1679af7 100644
--- a/lib/src/model/link.dart
+++ b/lib/src/model/link.dart
@@ -2,13 +2,15 @@ import 'package:linkfy_text/src/enum.dart';
 import 'package:linkfy_text/src/utils/regex.dart';
 
 class Link {
-  final String? _value;
-  final LinkType? _type;
+  late final String? _value;
+  late final LinkType? _type;
   String? get value => _value;
   LinkType? get type => _type;
 
   /// construct link from matched regExp
-  Link.fromMatch(RegExpMatch match)
-      : _type = getMatchedType(match),
-        _value = match.input.substring(match.start, match.end);
+  Link.fromMatch(RegExpMatch match) {
+    String _match = match.input.substring(match.start, match.end);
+    _type = getMatchedType(_match);
+    _value = _match;
+  }
 }
diff --git a/lib/src/utils/regex.dart b/lib/src/utils/regex.dart
index 0640fd2..2a4a4e5 100644
--- a/lib/src/utils/regex.dart
+++ b/lib/src/utils/regex.dart
@@ -45,15 +45,15 @@ RegExp constructRegExpFromLinkType(List<LinkType> types) {
   return RegExp(buffer.toString());
 }
 
-LinkType getMatchedType(RegExpMatch match) {
+LinkType getMatchedType(String match) {
   late LinkType type;
-  if (RegExp(urlRegExp).hasMatch(match.input)) {
-    type = LinkType.url;
-  } else if (RegExp(hashtagRegExp).hasMatch(match.input)) {
-    type = LinkType.hashTag;
-  } else if (RegExp(emailRegExp).hasMatch(match.input)) {
+  if (RegExp(emailRegExp).hasMatch(match)) {
     type = LinkType.email;
-  } else if (RegExp(userTagRegExp).hasMatch(match.input)) {
+  } else if (RegExp(urlRegExp).hasMatch(match)) {
+    type = LinkType.url;
+  } else if (RegExp(hashtagRegExp).hasMatch(match)) {
+    type = LinkType.hashTag;
+  } else if (RegExp(userTagRegExp).hasMatch(match)) {
     type = LinkType.userTag;
   }
   return type;