356 lines
11 KiB
Dart
356 lines
11 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:url_launcher/url_launcher.dart';
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import '../../../core/models/chat_message.dart';
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import '../../theme/theme_extensions.dart';
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/// Helper utilities for working with source references.
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class SourceHelper {
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const SourceHelper._();
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/// Extracts a URL from a source reference, checking multiple fields.
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static String? getSourceUrl(ChatSourceReference source) {
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String? url = source.url;
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if (url == null || url.isEmpty) {
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if (source.id != null && source.id!.startsWith('http')) {
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url = source.id;
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} else if (source.title != null && source.title!.startsWith('http')) {
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url = source.title;
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} else if (source.metadata != null) {
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url =
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source.metadata!['url']?.toString() ??
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source.metadata!['source']?.toString() ??
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source.metadata!['link']?.toString();
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}
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}
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return (url != null && url.startsWith('http')) ? url : null;
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}
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/// Gets a display title for a source.
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///
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/// For web sources (with URLs), shows the domain name like "wikipedia.org".
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/// This matches OpenWebUI's behavior where web search results show domains.
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static String getSourceTitle(ChatSourceReference source, int index) {
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// For web sources, prefer showing the URL domain
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final url = getSourceUrl(source);
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if (url != null) {
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return extractDomain(url);
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}
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// If title is a URL, extract domain
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if (source.title != null && source.title!.isNotEmpty) {
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final title = source.title!;
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if (title.startsWith('http')) {
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return extractDomain(title);
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}
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return title;
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}
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// Check if ID is a URL
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if (source.id != null && source.id!.isNotEmpty) {
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final id = source.id!;
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if (id.startsWith('http')) {
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return extractDomain(id);
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}
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return id;
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}
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return 'Source ${index + 1}';
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}
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/// Extracts the domain from a URL for display.
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static String extractDomain(String url) {
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try {
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final uri = Uri.parse(url);
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String domain = uri.host;
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if (domain.startsWith('www.')) {
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domain = domain.substring(4);
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}
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return domain;
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} catch (e) {
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return url;
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}
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}
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/// Formats a title for display, truncating if needed.
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/// Matches OpenWebUI's getDisplayTitle behavior.
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static String formatDisplayTitle(String title) {
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if (title.isEmpty) return 'N/A';
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if (title.length > 25) {
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return '${title.substring(0, 12)}…${title.substring(title.length - 8)}';
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}
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return title;
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}
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/// Launches a URL in an external browser.
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static Future<void> launchSourceUrl(String url) async {
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try {
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final uri = Uri.parse(url);
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if (await canLaunchUrl(uri)) {
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await launchUrl(uri, mode: LaunchMode.externalApplication);
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}
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} catch (e) {
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// Handle error silently
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}
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}
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}
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/// A compact inline citation badge showing source domain/title.
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///
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/// Uses the app's design system for consistency with other chips and badges.
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class CitationBadge extends StatelessWidget {
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const CitationBadge({
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super.key,
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required this.sourceIndex,
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required this.sources,
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this.onTap,
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});
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/// 0-based index into the sources list.
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final int sourceIndex;
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/// List of sources from the message.
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final List<ChatSourceReference> sources;
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/// Optional tap callback. If null, will try to launch URL.
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final VoidCallback? onTap;
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@override
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Widget build(BuildContext context) {
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final theme = context.conduitTheme;
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// Check if index is valid
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if (sourceIndex < 0 || sourceIndex >= sources.length) {
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return const SizedBox.shrink();
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}
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final source = sources[sourceIndex];
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final url = SourceHelper.getSourceUrl(source);
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final title = SourceHelper.getSourceTitle(source, sourceIndex);
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final displayTitle = SourceHelper.formatDisplayTitle(title);
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return Tooltip(
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message: title,
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preferBelow: false,
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child: Material(
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color: Colors.transparent,
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child: InkWell(
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onTap: () {
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if (onTap != null) {
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onTap!();
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} else if (url != null) {
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SourceHelper.launchSourceUrl(url);
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}
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},
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borderRadius: BorderRadius.circular(AppBorderRadius.chip),
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child: Container(
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padding: const EdgeInsets.symmetric(
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horizontal: Spacing.sm,
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vertical: Spacing.xxs,
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),
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margin: const EdgeInsets.symmetric(horizontal: 2),
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decoration: BoxDecoration(
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color: theme.surfaceContainer.withValues(alpha: 0.6),
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borderRadius: BorderRadius.circular(AppBorderRadius.chip),
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border: Border.all(
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color: theme.cardBorder.withValues(alpha: 0.5),
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width: BorderWidth.thin,
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.link_rounded,
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size: 10,
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color: theme.textSecondary.withValues(alpha: 0.7),
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),
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const SizedBox(width: Spacing.xxs),
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Text(
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displayTitle,
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style: TextStyle(
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fontSize: AppTypography.labelSmall,
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fontWeight: FontWeight.w500,
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color: theme.textSecondary,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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],
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),
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),
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),
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),
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);
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}
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}
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/// A grouped citation badge for multiple sources like [1,2,3].
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///
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/// Shows first source with +N indicator for additional sources.
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class CitationBadgeGroup extends StatelessWidget {
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const CitationBadgeGroup({
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super.key,
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required this.sourceIndices,
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required this.sources,
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this.onSourceTap,
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});
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/// 0-based indices into the sources list.
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final List<int> sourceIndices;
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/// List of sources from the message.
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final List<ChatSourceReference> sources;
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/// Optional callback when a source is tapped.
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final void Function(int index)? onSourceTap;
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@override
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Widget build(BuildContext context) {
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if (sourceIndices.isEmpty) {
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return const SizedBox.shrink();
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}
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// For single citation, use simple badge
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if (sourceIndices.length == 1) {
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return CitationBadge(
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sourceIndex: sourceIndices.first,
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sources: sources,
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onTap: onSourceTap != null
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? () => onSourceTap!(sourceIndices.first)
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: null,
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);
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}
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final theme = context.conduitTheme;
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// Get first valid source for display
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final firstIndex = sourceIndices.first;
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final isFirstValid = firstIndex >= 0 && firstIndex < sources.length;
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if (!isFirstValid) {
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return const SizedBox.shrink();
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}
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final firstSource = sources[firstIndex];
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final firstTitle = SourceHelper.getSourceTitle(firstSource, firstIndex);
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final displayTitle = SourceHelper.formatDisplayTitle(firstTitle);
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final additionalCount = sourceIndices.length - 1;
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return PopupMenuButton<int>(
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tooltip: 'View sources',
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(),
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position: PopupMenuPosition.under,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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),
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color: theme.surfaceBackground,
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surfaceTintColor: Colors.transparent,
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elevation: Elevation.medium,
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itemBuilder: (context) {
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return sourceIndices
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.map((index) {
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final isValid = index >= 0 && index < sources.length;
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if (!isValid) return null;
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final source = sources[index];
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final title = SourceHelper.getSourceTitle(source, index);
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return PopupMenuItem<int>(
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value: index,
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height: 40,
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.link_rounded,
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size: 14,
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color: theme.textSecondary.withValues(alpha: 0.7),
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),
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const SizedBox(width: Spacing.sm),
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Flexible(
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child: Text(
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SourceHelper.formatDisplayTitle(title),
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style: TextStyle(
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fontSize: AppTypography.bodySmall,
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fontWeight: FontWeight.w500,
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color: theme.textPrimary,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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),
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);
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})
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.whereType<PopupMenuItem<int>>()
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.toList();
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},
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onSelected: (index) {
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if (onSourceTap != null) {
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onSourceTap!(index);
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} else if (index >= 0 && index < sources.length) {
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final url = SourceHelper.getSourceUrl(sources[index]);
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if (url != null) {
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SourceHelper.launchSourceUrl(url);
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}
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}
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},
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child: Container(
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padding: const EdgeInsets.symmetric(
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horizontal: Spacing.sm,
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vertical: Spacing.xxs,
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),
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margin: const EdgeInsets.symmetric(horizontal: 2),
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decoration: BoxDecoration(
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color: theme.surfaceContainer.withValues(alpha: 0.6),
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borderRadius: BorderRadius.circular(AppBorderRadius.chip),
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border: Border.all(
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color: theme.cardBorder.withValues(alpha: 0.5),
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width: BorderWidth.thin,
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.link_rounded,
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size: 10,
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color: theme.textSecondary.withValues(alpha: 0.7),
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),
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const SizedBox(width: Spacing.xxs),
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Text(
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displayTitle,
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style: TextStyle(
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fontSize: AppTypography.labelSmall,
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fontWeight: FontWeight.w500,
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color: theme.textSecondary,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(width: Spacing.xxs),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 1),
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decoration: BoxDecoration(
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color: theme.buttonPrimary.withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(AppBorderRadius.small),
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),
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child: Text(
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'+$additionalCount',
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style: TextStyle(
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fontSize: 9,
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fontWeight: FontWeight.w600,
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color: theme.buttonPrimary,
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),
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),
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),
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],
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),
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),
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);
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}
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}
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