您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
400 行
16 KiB
400 行
16 KiB
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using RSG;
|
|
using Unity.UIWidgets.animation;
|
|
using Unity.UIWidgets.foundation;
|
|
using Unity.UIWidgets.material;
|
|
using Unity.UIWidgets.painting;
|
|
using Unity.UIWidgets.rendering;
|
|
using Unity.UIWidgets.service;
|
|
using Unity.UIWidgets.ui;
|
|
using Unity.UIWidgets.widgets;
|
|
using UnityEngine;
|
|
using Color = Unity.UIWidgets.ui.Color;
|
|
|
|
namespace UIWidgetsGallery.gallery {
|
|
public static class HomeUtils {
|
|
internal static readonly Color _kUIWidgetsBlue = new Color(0xFF003D75);
|
|
internal const float _kDemoItemHeight = 64.0f;
|
|
internal static TimeSpan _kFrontLayerSwitchDuration = new TimeSpan(0, 0, 0, 0, 300);
|
|
}
|
|
|
|
class _UIWidgetsLogo : StatelessWidget {
|
|
public _UIWidgetsLogo(Key key = null) : base(key: key) {
|
|
}
|
|
|
|
public override Widget build(BuildContext context) {
|
|
return new Center(
|
|
child: new Container(
|
|
width: 34.0f,
|
|
height: 34.0f,
|
|
decoration: new BoxDecoration(
|
|
image: new DecorationImage(
|
|
image: new AssetImage(
|
|
"unity")
|
|
)
|
|
)
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
class _CategoryItem : StatelessWidget {
|
|
public _CategoryItem(
|
|
Key key = null,
|
|
GalleryDemoCategory category = null,
|
|
VoidCallback onTap = null
|
|
) : base(key: key) {
|
|
this.category = category;
|
|
this.onTap = onTap;
|
|
}
|
|
|
|
public readonly GalleryDemoCategory category;
|
|
|
|
public readonly VoidCallback onTap;
|
|
|
|
public override Widget build(BuildContext context) {
|
|
ThemeData theme = Theme.of(context);
|
|
bool isDark = theme.brightness == Brightness.dark;
|
|
|
|
return new RepaintBoundary(
|
|
child: new RawMaterialButton(
|
|
padding: EdgeInsets.zero,
|
|
splashColor: theme.primaryColor.withOpacity(0.12f),
|
|
highlightColor: Colors.transparent,
|
|
onPressed: this.onTap,
|
|
child: new Column(
|
|
mainAxisAlignment: MainAxisAlignment.end,
|
|
crossAxisAlignment: CrossAxisAlignment.center,
|
|
children: new List<Widget> {
|
|
new Padding(
|
|
padding: EdgeInsets.all(6.0f),
|
|
child: new Icon(
|
|
this.category.icon,
|
|
size: 60.0f,
|
|
color: isDark ? Colors.white : HomeUtils._kUIWidgetsBlue
|
|
)
|
|
),
|
|
new SizedBox(height: 10.0f),
|
|
new Container(
|
|
height: 48.0f,
|
|
alignment: Alignment.center,
|
|
child: new Text(
|
|
this.category.name,
|
|
textAlign: TextAlign.center,
|
|
style: theme.textTheme.subhead.copyWith(
|
|
fontFamily: "GoogleSans",
|
|
color: isDark ? Colors.white : HomeUtils._kUIWidgetsBlue
|
|
)
|
|
)
|
|
)
|
|
}
|
|
)
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
class _CategoriesPage : StatelessWidget {
|
|
public _CategoriesPage(
|
|
Key key = null,
|
|
IEnumerable<GalleryDemoCategory> categories = null,
|
|
ValueChanged<GalleryDemoCategory> onCategoryTap = null
|
|
) : base(key: key) {
|
|
this.categories = categories;
|
|
this.onCategoryTap = onCategoryTap;
|
|
}
|
|
|
|
public readonly IEnumerable<GalleryDemoCategory> categories;
|
|
|
|
public readonly ValueChanged<GalleryDemoCategory> onCategoryTap;
|
|
|
|
public override Widget build(BuildContext context) {
|
|
float aspectRatio = 160.0f / 180.0f;
|
|
List<GalleryDemoCategory> categoriesList = this.categories.ToList();
|
|
int columnCount = (MediaQuery.of(context).orientation == Orientation.portrait) ? 2 : 3;
|
|
|
|
return new SingleChildScrollView(
|
|
key: new PageStorageKey<string>("categories"),
|
|
child: new LayoutBuilder(
|
|
builder: (_, constraints) => {
|
|
float columnWidth = constraints.biggest.width / columnCount;
|
|
float rowHeight = Mathf.Min(225.0f, columnWidth * aspectRatio);
|
|
int rowCount = (categoriesList.Count + columnCount - 1) / columnCount;
|
|
|
|
return new RepaintBoundary(
|
|
child: new Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
crossAxisAlignment: CrossAxisAlignment.stretch,
|
|
children: Enumerable.Range(0, rowCount).Select(rowIndex => {
|
|
int columnCountForRow = rowIndex == rowCount - 1
|
|
? categoriesList.Count - columnCount * Mathf.Max(0, rowCount - 1)
|
|
: columnCount;
|
|
|
|
return (Widget) new Row(
|
|
children: Enumerable.Range(0, columnCountForRow).Select(columnIndex => {
|
|
int index = rowIndex * columnCount + columnIndex;
|
|
GalleryDemoCategory category = categoriesList[index];
|
|
|
|
return (Widget) new SizedBox(
|
|
width: columnWidth,
|
|
height: rowHeight,
|
|
child: new _CategoryItem(
|
|
category: category,
|
|
onTap: () => { this.onCategoryTap(category); }
|
|
)
|
|
);
|
|
}).ToList()
|
|
);
|
|
}).ToList()
|
|
)
|
|
);
|
|
}
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
class _DemoItem : StatelessWidget {
|
|
public _DemoItem(Key key = null, GalleryDemo demo = null) : base(key: key) {
|
|
this.demo = demo;
|
|
}
|
|
|
|
public readonly GalleryDemo demo;
|
|
|
|
void _launchDemo(BuildContext context) {
|
|
if (this.demo.routeName != null) {
|
|
Navigator.pushNamed(context, this.demo.routeName);
|
|
}
|
|
}
|
|
|
|
public override Widget build(BuildContext context) {
|
|
ThemeData theme = Theme.of(context);
|
|
bool isDark = theme.brightness == Brightness.dark;
|
|
float textScaleFactor = MediaQuery.textScaleFactorOf(context);
|
|
|
|
List<Widget> titleChildren = new List<Widget> {
|
|
new Text(
|
|
this.demo.title,
|
|
style: theme.textTheme.subhead.copyWith(
|
|
color: isDark ? Colors.white : new Color(0xFF202124)
|
|
)
|
|
),
|
|
};
|
|
|
|
if (this.demo.subtitle != null) {
|
|
titleChildren.Add(
|
|
new Text(
|
|
this.demo.subtitle,
|
|
style: theme.textTheme.body1.copyWith(
|
|
color: isDark ? Colors.white : new Color(0xFF60646B)
|
|
)
|
|
)
|
|
);
|
|
}
|
|
|
|
return new RawMaterialButton(
|
|
padding: EdgeInsets.zero,
|
|
splashColor: theme.primaryColor.withOpacity(0.12f),
|
|
highlightColor: Colors.transparent,
|
|
onPressed: () => { this._launchDemo(context); },
|
|
child: new Container(
|
|
constraints: new BoxConstraints(minHeight: HomeUtils._kDemoItemHeight * textScaleFactor),
|
|
child: new Row(
|
|
children: new List<Widget> {
|
|
new Container(
|
|
width: 56.0f,
|
|
height: 56.0f,
|
|
alignment: Alignment.center,
|
|
child: new Icon(
|
|
this.demo.icon,
|
|
size: 24.0f,
|
|
color: isDark ? Colors.white : HomeUtils._kUIWidgetsBlue
|
|
)
|
|
),
|
|
new Expanded(
|
|
child: new Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
crossAxisAlignment: CrossAxisAlignment.stretch,
|
|
children: titleChildren
|
|
)
|
|
),
|
|
new SizedBox(width: 44.0f),
|
|
}
|
|
)
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
class _DemosPage : StatelessWidget {
|
|
public _DemosPage(GalleryDemoCategory category) {
|
|
this.category = category;
|
|
}
|
|
|
|
public readonly GalleryDemoCategory category;
|
|
|
|
public override Widget build(BuildContext context) {
|
|
float windowBottomPadding = MediaQuery.of(context).padding.bottom;
|
|
return new KeyedSubtree(
|
|
key: new ValueKey<string>("GalleryDemoList"),
|
|
child: new ListView(
|
|
key: new PageStorageKey<string>(this.category.name),
|
|
padding: EdgeInsets.only(top: 8.0f, bottom: windowBottomPadding),
|
|
children: DemoUtils.kGalleryCategoryToDemos[this.category]
|
|
.Select(demo => (Widget) new _DemoItem(demo: demo)).ToList()
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
public class GalleryHome : StatefulWidget {
|
|
public GalleryHome(
|
|
Key key = null,
|
|
bool testMode = false,
|
|
Widget optionsPage = null
|
|
) : base(key: key) {
|
|
this.testMode = testMode;
|
|
this.optionsPage = optionsPage;
|
|
}
|
|
|
|
public readonly Widget optionsPage;
|
|
public readonly bool testMode;
|
|
|
|
public static bool showPreviewBanner = true;
|
|
|
|
public override State createState() {
|
|
return new _GalleryHomeState();
|
|
}
|
|
}
|
|
|
|
class _GalleryHomeState : SingleTickerProviderStateMixin<GalleryHome> {
|
|
readonly GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>.key();
|
|
AnimationController _controller;
|
|
GalleryDemoCategory _category;
|
|
|
|
static Widget _topHomeLayout(Widget currentChild, List<Widget> previousChildren) {
|
|
List<Widget> children = previousChildren;
|
|
if (currentChild != null) {
|
|
children = children.ToList();
|
|
children.Add(currentChild);
|
|
}
|
|
|
|
return new Stack(
|
|
children: children,
|
|
alignment: Alignment.topCenter
|
|
);
|
|
}
|
|
|
|
public static AnimatedSwitcherLayoutBuilder _centerHomeLayout = AnimatedSwitcher.defaultLayoutBuilder;
|
|
|
|
public override void initState() {
|
|
base.initState();
|
|
this._controller = new AnimationController(
|
|
duration: new TimeSpan(0, 0, 0, 0, 600),
|
|
debugLabel: "preview banner",
|
|
vsync: this
|
|
);
|
|
this._controller.forward();
|
|
}
|
|
|
|
public override void dispose() {
|
|
this._controller.dispose();
|
|
base.dispose();
|
|
}
|
|
|
|
public override Widget build(BuildContext context) {
|
|
ThemeData theme = Theme.of(context);
|
|
bool isDark = theme.brightness == Brightness.dark;
|
|
MediaQueryData media = MediaQuery.of(context);
|
|
bool centerHome = media.orientation == Orientation.portrait && media.size.height < 800.0;
|
|
|
|
Curve switchOutCurve = new Interval(0.4f, 1.0f, curve: Curves.fastOutSlowIn);
|
|
Curve switchInCurve = new Interval(0.4f, 1.0f, curve: Curves.fastOutSlowIn);
|
|
|
|
Widget home = new Scaffold(
|
|
key: this._scaffoldKey,
|
|
backgroundColor: isDark ? HomeUtils._kUIWidgetsBlue : theme.primaryColor,
|
|
body: new SafeArea(
|
|
bottom: false,
|
|
child: new WillPopScope(
|
|
onWillPop: () => {
|
|
if (this._category != null) {
|
|
this.setState(() => this._category = null);
|
|
return Promise<bool>.Resolved(false);
|
|
}
|
|
|
|
return Promise<bool>.Resolved(true);
|
|
},
|
|
child: new Backdrop(
|
|
backTitle: new Text("Options"),
|
|
backLayer: this.widget.optionsPage,
|
|
frontAction: new AnimatedSwitcher(
|
|
duration: HomeUtils._kFrontLayerSwitchDuration,
|
|
switchOutCurve: switchOutCurve,
|
|
switchInCurve: switchInCurve,
|
|
child: this._category == null
|
|
? (Widget) new _UIWidgetsLogo()
|
|
: new IconButton(
|
|
icon: new BackButtonIcon(),
|
|
tooltip: "Back",
|
|
onPressed: () => this.setState(() => this._category = null)
|
|
)
|
|
),
|
|
frontTitle: new AnimatedSwitcher(
|
|
duration: HomeUtils._kFrontLayerSwitchDuration,
|
|
child: this._category == null
|
|
? new Text("UIWidgets gallery")
|
|
: new Text(this._category.name)
|
|
),
|
|
frontHeading: this.widget.testMode ? null : new Container(height: 24.0f),
|
|
frontLayer: new AnimatedSwitcher(
|
|
duration: HomeUtils._kFrontLayerSwitchDuration,
|
|
switchOutCurve: switchOutCurve,
|
|
switchInCurve: switchInCurve,
|
|
layoutBuilder: centerHome ? _centerHomeLayout : _topHomeLayout,
|
|
child: this._category != null
|
|
? (Widget) new _DemosPage(this._category)
|
|
: new _CategoriesPage(
|
|
categories: DemoUtils.kAllGalleryDemoCategories,
|
|
onCategoryTap: (GalleryDemoCategory category) => {
|
|
this.setState(() => this._category = category);
|
|
}
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
);
|
|
|
|
D.assert(() => {
|
|
GalleryHome.showPreviewBanner = false;
|
|
return true;
|
|
});
|
|
|
|
if (GalleryHome.showPreviewBanner) {
|
|
home = new Stack(
|
|
fit: StackFit.expand,
|
|
children: new List<Widget> {
|
|
home,
|
|
new FadeTransition(
|
|
opacity: new CurvedAnimation(parent: this._controller, curve: Curves.easeInOut),
|
|
child: new Banner(
|
|
message: "PREVIEW",
|
|
location: BannerLocation.topEnd
|
|
)
|
|
)
|
|
}
|
|
);
|
|
}
|
|
|
|
home = new AnnotatedRegion<SystemUiOverlayStyle>(
|
|
child: home,
|
|
value: SystemUiOverlayStyle.light
|
|
);
|
|
|
|
return home;
|
|
}
|
|
}
|
|
}
|