78 lines
2.3 KiB
Dart
78 lines
2.3 KiB
Dart
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import 'dart:typed_data';
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import 'package:cpd_app/file_utils.dart';
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import 'package:cpd_app/session_list.dart';
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import 'package:flutter/material.dart';
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class SessionListView extends StatefulWidget {
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const SessionListView({super.key});
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@override
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State<SessionListView> createState() => _SessionListViewState();
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}
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class _SessionListViewState extends State<SessionListView> {
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final Map<String, Uint8List> _images = ImageList.getImages();
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String? _selectedImageKey;
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bool _showSaveButton = false;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: const Color.fromARGB(99, 78, 72, 72),
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appBar: AppBar(
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backgroundColor: const Color.fromARGB(255, 161, 120, 17),
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title: const Text('Image Gallery'),
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),
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body: GridView.builder(
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 3,
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crossAxisSpacing: 4.0,
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mainAxisSpacing: 4.0,
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),
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itemCount: _images.length,
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itemBuilder: (BuildContext context, int index) {
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String imageKey = _images.keys.elementAt(index);
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Uint8List imageData = _images[imageKey]!;
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return GestureDetector(
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onTap: () {
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setState(() {
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_selectedImageKey = imageKey;
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_showSaveButton = true;
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});
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},
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child: Container(
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decoration: BoxDecoration(
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border: Border.all(
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color: _selectedImageKey == imageKey
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? Colors.blue
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: Colors.transparent,
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width: 2.0,
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),
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),
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child: Image.memory(
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imageData,
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fit: BoxFit.cover,
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),
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),
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);
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},
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),
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floatingActionButton: _showSaveButton
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? FloatingActionButton(
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onPressed: () {
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saveImage(_selectedImageKey!);
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setState(() {
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_showSaveButton = false;
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});
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},
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child: const Icon(Icons.save),
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)
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: null,
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);
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}
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void saveImage(String imageKey) {
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FileUtils.saveTranslatedImage(ImageList.getImages()[imageKey]!);
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}
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}
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