update theme
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/// Widget: Image Viewer Dialog
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///
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/// Full-screen image viewer with swipe navigation.
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library;
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:flutter/material.dart';
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import 'package:worker/features/showrooms/domain/entities/sample_project.dart';
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/// Image Viewer Dialog
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///
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/// Full-screen dialog for viewing images with:
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/// - PageView for swipe navigation
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/// - Image counter (1/5)
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/// - Close button
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/// - Gradient overlay for visibility
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class ImageViewerDialog extends StatefulWidget {
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const ImageViewerDialog({
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super.key,
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required this.images,
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required this.initialIndex,
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});
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final List<ProjectFile> images;
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final int initialIndex;
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@override
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State<ImageViewerDialog> createState() => _ImageViewerDialogState();
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}
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class _ImageViewerDialogState extends State<ImageViewerDialog> {
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late PageController _pageController;
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late int _currentIndex;
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@override
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void initState() {
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super.initState();
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_currentIndex = widget.initialIndex;
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_pageController = PageController(initialPage: widget.initialIndex);
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}
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@override
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void dispose() {
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_pageController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Dialog(
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backgroundColor: Colors.transparent,
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insetPadding: EdgeInsets.zero,
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child: Container(
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color: Colors.black,
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child: Stack(
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children: [
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// Main PageView
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Center(
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child: PageView.builder(
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controller: _pageController,
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onPageChanged: (index) {
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setState(() {
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_currentIndex = index;
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});
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},
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itemCount: widget.images.length,
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itemBuilder: (context, index) {
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return Center(
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child: CachedNetworkImage(
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imageUrl: widget.images[index].fileUrl,
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fit: BoxFit.contain,
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placeholder: (context, url) => const Center(
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child: CircularProgressIndicator(color: Colors.white),
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),
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errorWidget: (context, url, error) => const Icon(
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Icons.error,
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color: Colors.white,
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size: 48,
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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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// Top bar with counter and close button
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Positioned(
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top: 0,
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left: 0,
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right: 0,
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child: SafeArea(
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child: Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 12,
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),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [
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Colors.black.withValues(alpha: 0.7),
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Colors.transparent,
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],
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),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'${_currentIndex + 1} / ${widget.images.length}',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 16,
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fontWeight: FontWeight.w500,
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),
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),
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IconButton(
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icon: const Icon(Icons.close, color: Colors.white),
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onPressed: () => Navigator.pop(context),
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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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);
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}
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}
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