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RepoSelector: Hilight selected text

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This commit is contained in:
Vishesh Handa
2020-11-13 16:03:28 +01:00
parent df78b24542
commit 9bf9193ec8
2 changed files with 70 additions and 4 deletions
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48
lib/widgets/highlighted_text.dart
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@ -6,6 +6,7 @@ class HighlightedText extends StatelessWidget {
final String highlightTextLowerCase;
final TextStyle style;
final TextStyle highlightStyle;
final TextOverflow overflow;
final int maxLines;
@ -14,6 +15,7 @@ class HighlightedText extends StatelessWidget {
@required this.highlightText,
@required this.highlightTextLowerCase,
@required this.style,
this.highlightStyle,
this.overflow,
this.maxLines,
});
@ -29,9 +31,10 @@ class HighlightedText extends StatelessWidget {
return Text(text, maxLines: maxLines, overflow: overflow, style: style);
}
var highlightStyle = style.copyWith(
backgroundColor: Theme.of(context).highlightColor,
);
var highlightStyle = this.highlightStyle ??
style.copyWith(
backgroundColor: Theme.of(context).highlightColor,
);
var before = text.substring(0, i);
var term = text.substring(i, i + highlightText.length);
@ -49,3 +52,42 @@ class HighlightedText extends StatelessWidget {
);
}
}
class HighlightTextSpan {
final String text;
final String highlightText;
final String highlightTextLowerCase;
final TextStyle style;
final TextStyle highlightStyle;
HighlightTextSpan({
@required this.text,
@required this.highlightText,
@required this.highlightTextLowerCase,
@required this.style,
this.highlightStyle,
});
List<InlineSpan> build(BuildContext context) {
var i = text.toLowerCase().indexOf(highlightTextLowerCase);
if (i == -1) {
return [];
}
var highlightStyle = this.highlightStyle ??
style.copyWith(
backgroundColor: Theme.of(context).highlightColor,
);
var before = text.substring(0, i);
var term = text.substring(i, i + highlightText.length);
var after = text.substring(i + highlightText.length);
return [
TextSpan(text: before, style: style),
TextSpan(text: term, style: highlightStyle),
TextSpan(text: after, style: style),
];
}
}