getHashTagTextSpan function

TextSpan getHashTagTextSpan({ required TextStyle decoratedStyle, required TextStyle basicStyle, required String source, dynamic onTap(String)?, bool decorateAtSign = false, })

Returns textSpan with decorated tagged text

Used in HashTagText

Implementation

TextSpan getHashTagTextSpan({
  required TextStyle decoratedStyle,
  required TextStyle basicStyle,
  required String source,
  Function(String)? onTap,
  bool decorateAtSign = false,
}) {
  final decorations = Detector(
          decoratedStyle: decoratedStyle,
          textStyle: basicStyle,
          decorateAtSign: decorateAtSign)
      .getDetections(source);
  if (decorations.isEmpty) {
    return TextSpan(text: source, style: basicStyle);
  } else {
    decorations.sort();
    final span = decorations
        .asMap()
        .map(
          (index, item) {
            final recognizer = TapGestureRecognizer()
              ..onTap = () {
                final decoration = decorations[index];
                if (decoration.style == decoratedStyle) {
                  onTap!(decoration.range.textInside(source).trim());
                }
              };
            return MapEntry(
              index,
              TextSpan(
                style: item.style,
                text: item.range.textInside(source),
                recognizer: (onTap == null) ? null : recognizer,
              ),
            );
          },
        )
        .values
        .toList();

    return TextSpan(children: span);
  }
}