rich_text_controller

rich_text_controller

rich_text_controller is an extended text editing controller for Flutter that supports applying different inline styles based on custom regex patterns. This package simplifies text styling and interaction in Flutter applications, making it easy to create feature-rich text inputs.

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Table of Contents

1. Demo
2. Features
3. Installation
4. Usage
5. Contributing
6. License

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Demo

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Features

• Custom Regex Styling: Apply styles dynamically to text patterns.
• Interactive Callbacks: Define actions for user interactions with matched text.
• Dynamic Updates: Modify regex patterns on the fly without recreating the controller.
• IME Composition Support: Smooth handling for languages like Japanese and Chinese.
• Performance Optimizations: Cached regex for better performance.
• RichWrapper Widget: A widget for seamless integration with the controller.
• Fine-grained Configuration: Control deletion behavior, styles, and tap actions for specific matches.

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Installation

1. Add the package to your pubspec.yaml file:

dependencies:
  rich_text_controller: ^[latest_version]

2. Run the following command to install the package:

flutter pub get

3. Import the package into your Dart file:

import 'package:rich_text_controller/rich_text_controller.dart';

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Usage

Here's a quick example of how to use RichTextController to style specific patterns in a TextField:

Example

import 'package:flutter/material.dart';
import 'package:rich_text_controller/rich_text_controller.dart';

defaultTextStyle(BuildContext context) => TextStyle(color: Colors.black);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: Text('RichTextController Example')),
        body: Center(
          child: Padding(
            padding: const EdgeInsets.all(16.0),
            child: TextField(
              controller: RichTextController(
                text: '',
                onMatch: (match, target) {
                  print('Match found: \$match');
                },
                targetMatches: [
                  MatchTargetItem(
                    textStyle: TextStyle(color: Colors.blue, fontWeight: FontWeight.bold),
                    regex: RegExp(r'#[a-zA-Z0-9_]+'),
                  ),
                  MatchTargetItem(
                    textStyle: TextStyle(color: Colors.green),
                    regex: RegExp(r'@[a-zA-Z0-9_]+'),
                  ),
                ],
              ),
              decoration: InputDecoration(border: OutlineInputBorder()),
            ),
          ),
        ),
      ),
    );
  }
}

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Contributing

Contributions are always welcome! Here’s how you can help:

1. Report bugs or request features via GitHub Issues.
2. Submit pull requests with well-documented code and examples.
3. Share your thoughts and ideas to improve the package.

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License

Licensed under the MIT License. You are free to use, modify, and distribute this package. See the LICENSE.md file for details.