BBreaking change

2021-10-26 07:31:42 +08:00
parent 44e9780e5a
commit a725604121
20 changed files with 710 additions and 183 deletions
--- a/lib/view/widget/url_text.dart
+++ b/lib/view/widget/url_text.dart
@@ -0,0 +1,91 @@
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+import 'package:toolbox/core/utils.dart';
+
+const regUrl =
+    r"(https?|ftp|file)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]*";
+
+class UrlText extends StatelessWidget {
+  final String text;
+  final String? replace;
+  final TextStyle style;
+
+  const UrlText(
+      {Key? key,
+      required this.text,
+      this.replace,
+      this.style = const TextStyle()})
+      : super(key: key);
+
+  List<InlineSpan> _getTextSpans(bool isDarkMode) {
+    List<InlineSpan> widgets = <InlineSpan>[];
+    final reg = RegExp(regUrl);
+    Iterable<Match> _matches = reg.allMatches(text);
+    List<_ResultMatch> resultMatches = <_ResultMatch>[];
+    int start = 0;
+
+    for (Match match in _matches) {
+      final group0 = match.group(0);
+      if (group0 != null && group0.isNotEmpty) {
+        if (start != match.start) {
+          _ResultMatch result1 = _ResultMatch();
+          result1.isUrl = false;
+          result1.text = text.substring(start, match.start);
+          resultMatches.add(result1);
+        }
+
+        _ResultMatch result2 = _ResultMatch();
+        result2.isUrl = true;
+        result2.text = match.group(0)!;
+        resultMatches.add(result2);
+        start = match.end;
+      }
+    }
+
+    if (start < text.length) {
+      _ResultMatch result1 = _ResultMatch();
+      result1.isUrl = false;
+      result1.text = text.substring(start);
+      resultMatches.add(result1);
+    }
+
+    for (var result in resultMatches) {
+      if (result.isUrl) {
+        widgets.add(_LinkTextSpan(
+            replace: replace ?? result.text,
+            text: result.text,
+            style: style.copyWith(color: Colors.blue)));
+      } else {
+        widgets.add(TextSpan(
+            text: result.text,
+            style: style.copyWith(
+              color: isDarkMode ? Colors.white : Colors.black,
+            )));
+      }
+    }
+    return widgets;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return RichText(
+      text: TextSpan(children: _getTextSpans(isDarkMode(context))),
+    );
+  }
+}
+
+class _LinkTextSpan extends TextSpan {
+  _LinkTextSpan({TextStyle? style, required String text, String? replace})
+      : super(
+            style: style,
+            text: replace,
+            recognizer: TapGestureRecognizer()
+              ..onTap = () {
+                openUrl(text);
+              });
+}
+
+class _ResultMatch {
+  late bool isUrl;
+  late String text;
+}