60 lines
1.5 KiB
Dart
60 lines
1.5 KiB
Dart
import 'package:didvan/models/view/app_bar_data.dart';
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import 'package:didvan/widgets/didvan/app_bar.dart';
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import 'package:flutter/material.dart';
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class DidvanScaffold extends StatefulWidget {
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final List<Widget>? slivers;
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final AppBarData appBarData;
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final bool hasPadding;
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const DidvanScaffold({
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Key? key,
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this.slivers,
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required this.appBarData,
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this.hasPadding = true,
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}) : super(key: key);
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@override
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State<DidvanScaffold> createState() => _DidvanScaffoldState();
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}
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class _DidvanScaffoldState extends State<DidvanScaffold> {
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bool _isElevated = false;
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final ScrollController _scrollController = ScrollController();
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@override
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void initState() {
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_scrollController.addListener(() => _handleAppBarElevation());
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: CustomScrollView(
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slivers: [
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SliverAppBar(
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backgroundColor: Theme.of(context).backgroundColor,
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automaticallyImplyLeading: false,
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pinned: true,
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flexibleSpace: DidvanAppBar(appBarData: widget.appBarData),
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),
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if (widget.slivers != null) ...widget.slivers!
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],
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),
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);
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}
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void _handleAppBarElevation() {
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if (_scrollController.position.pixels > kToolbarHeight && !_isElevated) {
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setState(() {
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_isElevated = true;
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});
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}
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if (_scrollController.position.pixels < kToolbarHeight && _isElevated) {
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setState(() {
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_isElevated = false;
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});
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}
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}
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}
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