This repository has been archived on 2023-11-13. You can view files and clone it, but cannot push or open issues or pull requests.
imagini/web_native/lib/screens/home_screen.dart

145 lines
3.9 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:imagini/blocs/home_bloc.dart';
import 'package:imagini/core/app_provider.dart';
import 'package:imagini/graphql/imagini_graphql.dart';
class HomeScreen extends StatefulWidget {
static const String PATH = '/Home';
HomeScreen({Key key}) : super(key: key);
@override
_HomeScreenState createState() => _HomeScreenState();
}
class _HomeScreenState extends State<HomeScreen> {
HomeBloc bloc;
@override
Widget build(BuildContext context) {
_init();
return PlatformScaffold(
body: _buildGridView(),
bottomNavBar: _buildNavBar()
);
}
void _init(){
if(bloc != null)
return;
bloc = HomeBloc(AppProvider.getApplication(context));
// bloc.mediaItemsResult.listen((bool status) {
// });
}
@override
void dispose() {
super.dispose();
// bloc.dispose();
}
Widget _buildNavBar() {
return PlatformNavBar(
currentIndex: 0,
itemChanged: (index) => setState(
() {
// _selectedTabIndex = index;
print(index);
},
),
items: [
BottomNavigationBarItem(
label: "Gallery",
icon: Icon(PlatformIcons(context).collections),
),
BottomNavigationBarItem(
label: "Me",
icon: Icon(PlatformIcons(context).person),
),
BottomNavigationBarItem(
label: "Settings",
icon: Icon(PlatformIcons(context).settings),
),
],
);
}
Widget _buildGridView() {
return StreamBuilder<MediaItems$Query>(
stream: bloc.mediaItemsResult,
builder: (context, snapshot) {
if (snapshot.data == null)
return _appLoading();
List<MediaItems$Query$MediaItemResponse$MediaItem> allItems = snapshot.data.mediaItems.data;
MediaQueryData queryData = MediaQuery.of(context);
final double screenWidthSize = queryData.size.width * queryData.devicePixelRatio;
final int crossAxisCount = (screenWidthSize / 500).ceil();
final int derivedContentWidth = (screenWidthSize / crossAxisCount).ceil();
return new StaggeredGridView.countBuilder(
crossAxisCount: crossAxisCount,
itemCount: allItems.length,
itemBuilder: (BuildContext context, int index) {
String fileName = allItems[index].fileName;
return _buildCard(fileName, derivedContentWidth);
},
staggeredTileBuilder: (int index) => new StaggeredTile.fit(1),
mainAxisSpacing: 4.0,
crossAxisSpacing: 4.0,
);
}
);
}
Widget _appLoading(){
return Center(
child: ConstrainedBox(
constraints: BoxConstraints(maxWidth: 500),
child: Container(
margin: EdgeInsets.fromLTRB(50, 0, 50, 0),
height: 270,
child: Column(
children: <Widget>[
Container(
child: FittedBox(
fit: BoxFit.contain,
child: const FlutterLogo(),
),
width: 175,
margin: EdgeInsets.fromLTRB(0, 0, 0, 50),
),
PlatformCircularProgressIndicator()
],
),
),
),
);
}
Widget _buildCard(charImageUrl, derivedContentWidth) {
return FutureBuilder<CachedNetworkImage>(
future: bloc.getImage(charImageUrl, derivedContentWidth),
builder: (context, snapshot) {
if (!snapshot.hasData) {
return PlatformCircularProgressIndicator();
}
return snapshot.data;
// Image newImage = snapshot.data;
// return newImage;
}
);
}
}