// Copyright 2018 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:flutter_web/material.dart'; import 'package:flutter_web/services.dart'; class _ContactCategory extends StatelessWidget { const _ContactCategory({Key key, this.icon, this.children}) : super(key: key); final IconData icon; final List children; @override Widget build(BuildContext context) { final ThemeData themeData = Theme.of(context); return Container( padding: const EdgeInsets.symmetric(vertical: 16.0), decoration: BoxDecoration( border: Border(bottom: BorderSide(color: themeData.dividerColor))), child: DefaultTextStyle( style: Theme.of(context).textTheme.subhead, child: SafeArea( top: false, bottom: false, child: Row( crossAxisAlignment: CrossAxisAlignment.start, children: [ Container( padding: const EdgeInsets.symmetric(vertical: 24.0), width: 72.0, child: Icon(icon, color: themeData.primaryColor)), Expanded(child: Column(children: children)) ], ), ), ), ); } } class _ContactItem extends StatelessWidget { _ContactItem({Key key, this.icon, this.lines, this.tooltip, this.onPressed}) : assert(lines.length > 1), super(key: key); final IconData icon; final List lines; final String tooltip; final VoidCallback onPressed; @override Widget build(BuildContext context) { final ThemeData themeData = Theme.of(context); final List columnChildren = lines .sublist(0, lines.length - 1) .map((String line) => Text(line)) .toList(); columnChildren.add(Text(lines.last, style: themeData.textTheme.caption)); final List rowChildren = [ Expanded( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: columnChildren)) ]; if (icon != null) { rowChildren.add(SizedBox( width: 72.0, child: IconButton( icon: Icon(icon), color: themeData.primaryColor, onPressed: onPressed))); } return MergeSemantics( child: Padding( padding: const EdgeInsets.symmetric(vertical: 16.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: rowChildren)), ); } } class ContactsDemo extends StatefulWidget { static const String routeName = '/contacts'; @override ContactsDemoState createState() => ContactsDemoState(); } enum AppBarBehavior { normal, pinned, floating, snapping } class ContactsDemoState extends State { static final GlobalKey _scaffoldKey = GlobalKey(); final double _appBarHeight = 256.0; AppBarBehavior _appBarBehavior = AppBarBehavior.pinned; @override Widget build(BuildContext context) { return Theme( data: ThemeData( brightness: Brightness.light, primarySwatch: Colors.indigo, platform: Theme.of(context).platform, ), child: Scaffold( key: _scaffoldKey, body: CustomScrollView( slivers: [ SliverAppBar( expandedHeight: _appBarHeight, pinned: _appBarBehavior == AppBarBehavior.pinned, floating: _appBarBehavior == AppBarBehavior.floating || _appBarBehavior == AppBarBehavior.snapping, snap: _appBarBehavior == AppBarBehavior.snapping, actions: [ IconButton( icon: const Icon(Icons.create), tooltip: 'Edit', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text("Editing isn't supported in this screen."))); }, ), PopupMenuButton( onSelected: (AppBarBehavior value) { setState(() { _appBarBehavior = value; }); }, itemBuilder: (BuildContext context) => >[ const PopupMenuItem( value: AppBarBehavior.normal, child: Text('App bar scrolls away')), const PopupMenuItem( value: AppBarBehavior.pinned, child: Text('App bar stays put')), const PopupMenuItem( value: AppBarBehavior.floating, child: Text('App bar floats')), const PopupMenuItem( value: AppBarBehavior.snapping, child: Text('App bar snaps')), ], ), ], flexibleSpace: FlexibleSpaceBar( title: const Text('Ali Connors'), background: Stack( fit: StackFit.expand, children: [ Image.asset( 'people/ali_landscape.png', // package: 'flutter_gallery_assets', fit: BoxFit.cover, height: _appBarHeight, ), // This gradient ensures that the toolbar icons are distinct // against the background image. const DecoratedBox( decoration: BoxDecoration( gradient: LinearGradient( begin: Alignment(0.0, -1.0), end: Alignment(0.0, -0.4), colors: [Color(0x60000000), Color(0x00000000)], ), ), ), ], ), ), ), SliverList( delegate: SliverChildListDelegate([ AnnotatedRegion( value: SystemUiOverlayStyle.dark, child: _ContactCategory( icon: Icons.call, children: [ _ContactItem( icon: Icons.message, tooltip: 'Send message', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text( 'Pretend that this opened your SMS application.'))); }, lines: const [ '(650) 555-1234', 'Mobile', ], ), _ContactItem( icon: Icons.message, tooltip: 'Send message', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text('A messaging app appears.'))); }, lines: const [ '(323) 555-6789', 'Work', ], ), _ContactItem( icon: Icons.message, tooltip: 'Send message', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text( 'Imagine if you will, a messaging application.'))); }, lines: const [ '(650) 555-6789', 'Home', ], ), ], ), ), _ContactCategory( icon: Icons.contact_mail, children: [ _ContactItem( icon: Icons.email, tooltip: 'Send personal e-mail', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text( 'Here, your e-mail application would open.'))); }, lines: const [ 'ali_connors@example.com', 'Personal', ], ), _ContactItem( icon: Icons.email, tooltip: 'Send work e-mail', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text( 'Summon your favorite e-mail application here.'))); }, lines: const [ 'aliconnors@example.com', 'Work', ], ), ], ), _ContactCategory( icon: Icons.location_on, children: [ _ContactItem( icon: Icons.map, tooltip: 'Open map', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text( 'This would show a map of San Francisco.'))); }, lines: const [ '2000 Main Street', 'San Francisco, CA', 'Home', ], ), _ContactItem( icon: Icons.map, tooltip: 'Open map', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text( 'This would show a map of Mountain View.'))); }, lines: const [ '1600 Amphitheater Parkway', 'Mountain View, CA', 'Work', ], ), _ContactItem( icon: Icons.map, tooltip: 'Open map', onPressed: () { _scaffoldKey.currentState.showSnackBar(const SnackBar( content: Text( 'This would also show a map, if this was not a demo.'))); }, lines: const [ '126 Severyns Ave', 'Mountain View, CA', 'Jet Travel', ], ), ], ), _ContactCategory( icon: Icons.today, children: [ _ContactItem( lines: const [ 'Birthday', 'January 9th, 1989', ], ), _ContactItem( lines: const [ 'Wedding anniversary', 'June 21st, 2014', ], ), _ContactItem( lines: const [ 'First day in office', 'January 20th, 2015', ], ), _ContactItem( lines: const [ 'Last day in office', 'August 9th, 2018', ], ), ], ), ]), ), ], ), ), ); } }