linked_text_splitter 0.0.3 copy "linked_text_splitter: ^0.0.3" to clipboard
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Convert text containing hyperlinks, etc., into a "TextSpan" list. It supports hyperlinks, @ marks, and hashtags like Twitter.

linked_text_splitter #

Convert text containing hyperlinks, etc., into a "TextSpan" list.

It supports hyperlinks, @ marks, and hashtags like Twitter.

The @ marks and hashtags can also be filtered. Only matching string candidates can be link-colored.

If you wish to use this feature, specify the "filteredMemberList" or "filteredHashTagList" property.

final splitter = LinkedTextSplitter(
  linkStyle: linkStyle,
  linkRegExp: LinkedTextSplitter.defaultLinkRegExp,
  atSignRegExp: LinkedTextSplitter.defaultAtSignRegExp,
  hashTagRegExp: LinkedTextSplitter.defaultHashTagRegExp,
  filteredMemberList: ['king', 'user'],
  filteredHashTagList: ['test'],
);

Usage #

RichText Widget #

Use LinkedTextSplitter for RichText's text property.

RichText(
  text: TextSpan(
    children: LinkedTextSplitter.normal(
        linkStyle: const TextStyle(
          color: Colors.blue,
        ),
        onAtSignTap: (value) {
          print('Name: $value');
        },
        onLinkTap: (value) async {
          print('Link: $value');
        },
        onHashTagTap: (value) {
          print('Tag: $value');
        }
    ).create(
      '@user https://www.google.com test. #Hello',
      const TextStyle(color: Colors.black
      )
    ),
  ),
)

TextField Widget #

To support TextField, create a custom TextEditingController class.

This is an example.

class LinkedTextEditingController extends TextEditingController {
  final TextStyle linkStyle;
  List<String>? memberNames;

  LinkedTextEditingController({
    String? text,
    required this.linkStyle,
    this.memberNames,
  })  : super(text: text);

  @override
  TextSpan buildTextSpan({
    required BuildContext context,
    TextStyle? style,
    required bool withComposing
  }) {
    final splitter = LinkedTextSplitter(
      linkStyle: linkStyle,
      linkRegExp: LinkedTextSplitter.defaultLinkRegExp,
      atSignRegExp: LinkedTextSplitter.defaultAtSignRegExp,
      hashTagRegExp: LinkedTextSplitter.defaultHashTagRegExp,
      filteredMemberList: memberNames,
      filteredHashTagList: null,
    );

    return TextSpan(style: style, children: splitter.create(text, style));
  }
}

In this example, only "king" and "user" are set to blue text with the @ marks.

@override
void initState() {
  super.initState();
  linkedTextEditingController = LinkedTextEditingController(
    text: '@user https://www.google.com #Test',
    linkStyle: const TextStyle(
      color: Colors.blue,
    ),
    memberNames: ['king', 'user'],
  );
}

After that, we can apply the TextEditingController custom class to the controller property of TextFiled.

TextField(
  controller: linkedTextEditingController,
  decoration: const InputDecoration(
    enabledBorder: OutlineInputBorder(
        borderSide: BorderSide(color: Colors.red)
    ),
  ),
  keyboardType: TextInputType.multiline,
  maxLines: 10,
),
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Convert text containing hyperlinks, etc., into a "TextSpan" list. It supports hyperlinks, @ marks, and hashtags like Twitter.

Repository (GitHub)
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Documentation

API reference

License

BSD-3-Clause (LICENSE)

Dependencies

flutter

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