117 lines
4.1 KiB
Dart
117 lines
4.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:gallery/utils/tile_size.dart';
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import 'data_provider/data_provider.dart';
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import 'full_screen_image_view.dart';
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import 'image_tile.dart';
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class ImageGrid extends StatefulWidget {
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const ImageGrid({Key? key, required this.dProvider}) : super(key: key);
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final DataProvider dProvider;
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@override
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State<ImageGrid> createState() => _ImageGridState();
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}
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class _ImageGridState extends State<ImageGrid> {
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final ScrollController _controller = ScrollController();
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late Future<Folder> folder = widget.dProvider.listOfFiles();
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@override
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void didUpdateWidget(ImageGrid oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.dProvider != widget.dProvider) {
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folder = widget.dProvider.listOfFiles();
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}
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}
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@override
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Widget build(BuildContext context) {
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final width = MediaQuery.of(context).size.width;
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return FutureBuilder(
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future: folder,
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builder: (context, AsyncSnapshot<Folder> snapshot) {
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if (snapshot.connectionState == ConnectionState.done) {
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if (snapshot.hasData && snapshot.data != null) {
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final Folder data = snapshot.data!;
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return GridView.builder(
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controller: _controller,
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisSpacing: 0,
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mainAxisSpacing: 0,
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crossAxisCount: width ~/ calcTileMaxWidth(),
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),
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itemCount: data.items.length + 1,
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itemBuilder: (context, index) {
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if (index == 0) {
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return ImageTile(
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child: Icon(Icons.arrow_back, size: calcTileMaxWidth() / 2),
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onClick: () {
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setState(() {
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folder = widget.dProvider.listOfFiles(uri: data.parent);
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});
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},
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);
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}
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final elem = data.items[index - 1];
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return ImageTile(
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dtaProvider: widget.dProvider,
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imageUri: elem.isFolder ? null : elem.uri,
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onClick: () {
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if (elem.isFolder) {
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setState(() {
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folder = widget.dProvider.listOfFiles(uri: elem.uri);
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});
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_controller.jumpTo(.0);
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} else {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) {
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final d = data.items
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.where((element) => !element.isFolder)
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.toList(growable: false);
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// check how many folders are before index and subtract it
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final newidx = index -
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data.items
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.getRange(0, index)
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.where((element) => element.isFolder)
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.length;
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return FullScreenImageView(
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provider: widget.dProvider,
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items: d,
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idx: newidx,
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);
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}),
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);
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}
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},
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child: elem.isFolder
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? Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.folder_open,
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size: calcTileMaxWidth() / 2),
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Text(elem.name)
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],
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)
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: null);
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},
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);
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} else if (snapshot.hasError) {
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return Text("Error loading files: ${snapshot.error}");
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}
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}
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return const CircularProgressIndicator(
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strokeWidth: 3,
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);
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},
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);
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}
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}
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