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ansu_ui/lib/scaffold/as_scaffold.dart

105 lines
2.5 KiB

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:ansu_ui/styles/as_colors.dart';
import 'package:ansu_ui/buttons/as_back_button.dart';
///ASScaffold
///
///made with Scaffold from `Material`
///
///
///
///`title`,`body`,`leading`,`bottomNavigationBar`,`appBarBottom`,`appBar`
///
///title , AppBar 和 AppBarBottom 均为 `null`时不显示scaffold的AppBar
///
///只有AppBarBottom时只显示AppBarBottom中的内容
class ASScaffold extends StatelessWidget {
///标题,可为`String`或`Text`
final dynamic title;
/// `Scaffold` body
final Widget body;
/// `Scaffold` leading
final Widget leading;
/// `Scaffold` actions
final List<Widget> actions;
/// `Scaffold` bottomNavigationBar
final Widget bottomNavigationBar;
/// `AppBar` appBarBottom
final PreferredSizeWidget appBarBottom;
/// `EndDrawer` endDrawer
///
/// 右方向的抽屉
final Widget endDrawer;
/// `AppBar` appBar
final Widget appBar;
///背景色
final Color backgroundColor;
final Widget floatingActionButton;
ASScaffold({
Key key,
this.title,
this.leading,
this.body,
this.bottomNavigationBar,
this.appBarBottom,
this.endDrawer,
this.appBar,
this.backgroundColor = kBackgroundColor,
this.actions,
this.floatingActionButton,
}) : super(key: key);
Widget get _title {
if (title is String) return Text(title);
return title ?? SizedBox();
}
Widget get _appBar {
if (title == null && appBar == null && appBarBottom == null) return null;
return appBar ??
AppBar(
brightness: Brightness.light,
backgroundColor: kForegroundColor,
elevation: 0,
leading: leading ?? ASBackButton(),
actions: actions ?? [],
centerTitle: true,
title: DefaultTextStyle(
style: TextStyle(
color: kTextColor,
fontSize: 18.sp,
fontWeight: FontWeight.bold,
),
child: _title,
),
bottom: appBarBottom ??
PreferredSize(
child: SizedBox(),
preferredSize: Size.fromHeight(0),
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
key: key,
endDrawer: endDrawer,
backgroundColor: backgroundColor,
bottomNavigationBar: bottomNavigationBar,
floatingActionButton: floatingActionButton,
appBar: _appBar,
body: body,
);
}
}