137 lines
3.6 KiB
Dart
137 lines
3.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
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import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:imagini/blocs/home_bloc.dart';
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import 'package:imagini/core/app_provider.dart';
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import 'package:imagini/graphql/imagini_graphql.dart';
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class HomeScreen extends StatefulWidget {
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static const String PATH = '/Home';
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HomeScreen({Key key}) : super(key: key);
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@override
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_HomeScreenState createState() => _HomeScreenState();
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}
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class _HomeScreenState extends State<HomeScreen> {
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HomeBloc bloc;
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@override
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Widget build(BuildContext context) {
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_init();
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return PlatformScaffold(
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body: _buildGridView(),
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bottomNavBar: _buildNavBar()
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);
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}
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void _init(){
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if(bloc != null)
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return;
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bloc = HomeBloc(AppProvider.getApplication(context));
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// bloc.mediaItemsResult.listen((bool status) {
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// });
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}
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@override
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void dispose() {
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super.dispose();
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// bloc.dispose();
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}
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Widget _buildNavBar() {
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return PlatformNavBar(
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currentIndex: 0,
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itemChanged: (index) => setState(
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() {
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// _selectedTabIndex = index;
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print(index);
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},
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),
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items: [
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BottomNavigationBarItem(
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label: "Gallery",
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icon: Icon(PlatformIcons(context).collections),
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),
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BottomNavigationBarItem(
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label: "Me",
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icon: Icon(PlatformIcons(context).person),
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),
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BottomNavigationBarItem(
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label: "Settings",
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icon: Icon(PlatformIcons(context).settings),
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),
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],
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);
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}
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Widget _buildGridView() {
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return StreamBuilder<MediaItems$Query>(
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stream: bloc.mediaItemsResult,
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builder: (context, snapshot) {
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if (snapshot.data == null)
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return _appLoading();
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List<MediaItems$Query$MediaItemResponse$MediaItem> allItems = snapshot.data.mediaItems.data;
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MediaQueryData queryData = MediaQuery.of(context);
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final double screenWidthSize = queryData.size.width * queryData.devicePixelRatio;
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final int crossAxisCount = (screenWidthSize / 500).ceil();
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final int derivedContentWidth = (screenWidthSize / crossAxisCount).ceil();
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return new StaggeredGridView.countBuilder(
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crossAxisCount: crossAxisCount,
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itemCount: allItems.length,
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itemBuilder: (BuildContext context, int index) {
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String fileName = allItems[index].fileName;
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return _buildCard(fileName, derivedContentWidth);
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},
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staggeredTileBuilder: (int index) => new StaggeredTile.fit(1),
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mainAxisSpacing: 4.0,
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crossAxisSpacing: 4.0,
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);
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}
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);
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}
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Widget _appLoading(){
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return Center(
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child: ConstrainedBox(
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constraints: BoxConstraints(maxWidth: 500),
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child: Container(
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margin: EdgeInsets.fromLTRB(50, 0, 50, 0),
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height: 370,
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child: Column(
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children: <Widget>[
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PlatformCircularProgressIndicator()
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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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Widget _buildCard(charImageUrl, derivedContentWidth) {
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return FutureBuilder<CachedNetworkImage>(
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future: bloc.getImage(charImageUrl, derivedContentWidth),
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builder: (context, snapshot) {
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if (!snapshot.hasData) {
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return PlatformCircularProgressIndicator();
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}
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return snapshot.data;
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// Image newImage = snapshot.data;
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// return newImage;
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}
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);
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}
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}
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