93 lines
2.5 KiB
Dart
93 lines
2.5 KiB
Dart
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import 'package:flutter/material.dart';
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import '../../../core/models/chat_message.dart';
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import '../../../core/utils/citation_parser.dart';
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import '../../theme/theme_extensions.dart';
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import 'citation_badge.dart';
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/// Renders text with inline citation badges.
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///
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/// Parses citation patterns like [1], [2,3] and renders them as clickable
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/// badges showing source titles inline with the surrounding text.
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class InlineCitationText extends StatelessWidget {
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const InlineCitationText({
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super.key,
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required this.text,
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required this.sources,
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this.style,
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this.onSourceTap,
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});
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/// The text content that may contain citation patterns like [1], [2,3].
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final String text;
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/// Available sources for citation lookup.
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final List<ChatSourceReference> sources;
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/// Base text style.
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final TextStyle? style;
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/// Callback when a source badge is tapped.
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final void Function(int sourceIndex)? onSourceTap;
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@override
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Widget build(BuildContext context) {
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final segments = CitationParser.parse(text);
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// If no citations found, render as plain text
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if (segments == null || segments.isEmpty) {
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return Text(text, style: style);
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}
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final theme = context.conduitTheme;
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final baseStyle =
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style ??
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TextStyle(
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color: theme.textPrimary,
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fontSize: AppTypography.bodyMedium,
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height: 1.45,
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);
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final spans = <InlineSpan>[];
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for (final segment in segments) {
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if (segment.isText && segment.text != null) {
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spans.add(TextSpan(text: segment.text, style: baseStyle));
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} else if (segment.isCitation && segment.citation != null) {
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final citation = segment.citation!;
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spans.add(
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WidgetSpan(
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alignment: PlaceholderAlignment.middle,
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child: _buildCitationBadge(context, citation.sourceIds),
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),
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);
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}
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}
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return Text.rich(TextSpan(children: spans), style: baseStyle);
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}
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Widget _buildCitationBadge(BuildContext context, List<int> sourceIds) {
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if (sourceIds.isEmpty) {
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return const SizedBox.shrink();
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}
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// Convert to 0-based indices
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final indices = sourceIds.map((id) => id - 1).toList();
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if (indices.length == 1) {
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return CitationBadge(
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sourceIndex: indices.first,
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sources: sources,
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onTap: onSourceTap != null ? () => onSourceTap!(indices.first) : null,
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);
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}
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return CitationBadgeGroup(
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sourceIndices: indices,
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sources: sources,
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onSourceTap: onSourceTap,
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);
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}
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}
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