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alert_dialog.dart
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import 'package:flutter/material.dart';
import '../theme/media_query.dart';
showAlertDialog(BuildContext context, String title, String content) {
// Create button
Widget okButton = TextButton(
child: const Text("OK"),
onPressed: () {
Navigator.of(context).pop();
},
);
// Create AlertDialog
AlertDialog alert = AlertDialog(
title: Text(title),
content: Text(content),
actions: [
okButton,
],
);
// show the dialog
showDialog(
context: context,
builder: (BuildContext context) {
return alert;
},
);
}
class CreateBottomSheet<T> extends StatefulWidget {
final List<T> courseCategoryAndSubCategories;
final ValueChanged<List<Map<String, dynamic>>>
updateSubCategoryLibraryCallBack;
const CreateBottomSheet(
{super.key,
required this.courseCategoryAndSubCategories,
required this.updateSubCategoryLibraryCallBack});
@override
State<CreateBottomSheet> createState() => _CreateBottomSheetState();
}
class _CreateBottomSheetState extends State<CreateBottomSheet> {
final ValueNotifier subCategoryColumnWidgetUpdater =
ValueNotifier<bool>(false);
int selectedIndex = 0;
String? selectedSubcategoryRadioTile;
List<Map<String, dynamic>> selectedLibraryContents = [];
@override
void dispose() {
subCategoryColumnWidgetUpdater.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return SizedBox(
height: MediaQueries.mediaQueryHeight! / 2,
child: TweenAnimationBuilder<double?>(
duration: const Duration(seconds: 2),
tween: Tween(begin: 1.0, end: 0),
curve: Curves.elasticOut,
child: Container(
height: MediaQueries.mediaQueryHeight! / 2,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(20),
topRight: Radius.circular(20),
),
),
child: Column(
children: [
Expanded(
child: Row(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Container(
height: MediaQueries.mediaQueryHeight! / 2,
width: MediaQueries.mediaQueryWidth! / 3,
decoration: BoxDecoration(
color: Theme.of(context).scaffoldBackgroundColor,
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(20),
),
),
child: Padding(
padding: const EdgeInsets.all(0),
child: ListView.builder(
shrinkWrap: true,
itemCount: widget
.courseCategoryAndSubCategories.length,
itemBuilder: (builder, index) {
return TextButton(
onPressed: () {
//1. Updating the selected Index to show the subcategories
//2. Updating notifier to rebuild only this specific listview builder
selectedIndex = index;
subCategoryColumnWidgetUpdater.value =
!subCategoryColumnWidgetUpdater.value;
},
child: Text(
"${widget.courseCategoryAndSubCategories[index]['categoryname']}"),
);
}),
),
),
Padding(
padding: const EdgeInsets.all(10),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SizedBox(
height: MediaQueries.mediaQueryHeight! / 2.5,
width: MediaQueries.mediaQueryWidth! / 2,
child: ValueListenableBuilder(
valueListenable:
subCategoryColumnWidgetUpdater,
builder: (context, value, child) {
if ((widget.courseCategoryAndSubCategories[
selectedIndex]['subcategories'])
.length >
0) {
return ListView.builder(
itemCount: widget
.courseCategoryAndSubCategories[
selectedIndex]['subcategories']
.length,
shrinkWrap: true,
itemBuilder: (builder, index) {
return RadioListTile<String>(
title: FittedBox(
child: Text(
"${widget.courseCategoryAndSubCategories[selectedIndex]['subcategories'][index]['child_name']}"),
),
value:
"${widget.courseCategoryAndSubCategories[selectedIndex]['subcategories'][index]['child_name']}",
groupValue:
selectedSubcategoryRadioTile,
onChanged: (String? value) {
selectedLibraryContents.clear();
selectedLibraryContents.addAll(List<
Map<String,
dynamic>>.from(
widget.courseCategoryAndSubCategories[
selectedIndex]
['subcategories']
[index]['content']));
selectedSubcategoryRadioTile =
value;
subCategoryColumnWidgetUpdater
.value =
!subCategoryColumnWidgetUpdater
.value;
},
);
},
);
} else {
return const ListTile(
title: Text('No Sub Category'),
);
}
},
),
),
ElevatedButton(
onPressed: () {
Navigator.of(context).pop();
widget.updateSubCategoryLibraryCallBack(
selectedLibraryContents);
},
child: const Text('Apply'),
)
],
),
)
]),
),
],
),
),
builder: (context, value, _) {
return Transform.translate(
offset: Offset(0.0, -100 * value!),
child: _,
);
}),
);
}
}
// createBottomSheet(
// BuildContext context,
// List<Map<String, dynamic>> courseCategoryAndSubCategories,
// ) {
// return Scaffold.of(context).showBottomSheet(
// backgroundColor: Colors.transparent,
// elevation: 10, (BuildContext context) {
// int selectedIndex = 0;
// return StatefulBuilder(
// builder: (context, stateUpdater) => SizedBox(
// height: MediaQueries.mediaQueryHeight! / 2,
// child: TweenAnimationBuilder<double?>(
// duration: const Duration(seconds: 2),
// tween: Tween(begin: 1.0, end: 0),
// curve: Curves.elasticOut,
// child: Container(
// height: MediaQueries.mediaQueryHeight! / 2,
// decoration: const BoxDecoration(
// borderRadius: BorderRadius.only(
// topLeft: Radius.circular(20),
// topRight: Radius.circular(20),
// ),
// color: Colors.grey,
// ),
// child: Column(
// children: [
// Align(
// alignment: Alignment.topRight,
// child: IconButton(
// onPressed: () {
// Navigator.of(context).pop();
// },
// icon: const Icon(Icons.close),
// ),
// ),
// Expanded(
// child: Row(
// mainAxisAlignment: MainAxisAlignment.start,
// crossAxisAlignment: CrossAxisAlignment.center,
// children: [
// Container(
// height: MediaQueries.mediaQueryHeight! / 2,
// width: MediaQueries.mediaQueryWidth! / 3,
// decoration: BoxDecoration(
// borderRadius: const BorderRadius.only(
// topLeft: Radius.circular(20),
// ),
// color: Colors.grey[300],
// ),
// child: Padding(
// padding: const EdgeInsets.all(0),
// child: ListView.builder(
// shrinkWrap: true,
// itemCount:
// courseCategoryAndSubCategories.length,
// itemBuilder: (builder, index) {
// return TextButton(
// onPressed: () {
// //FIXME CONTINE FROM HERE bottom sheet not updating
// print(courseCategoryAndSubCategories[
// index]['subcategories']);
// stateUpdater(
// () {
// selectedIndex = index;
// },
// );
// },
// child: Text(
// "${courseCategoryAndSubCategories[index]['categoryname']}"),
// );
// }),
// ),
// ),
// Padding(
// padding: const EdgeInsets.all(10),
// child: Column(
// mainAxisAlignment: MainAxisAlignment.start,
// crossAxisAlignment: CrossAxisAlignment.start,
// children: [
// courseCategoryAndSubCategories[selectedIndex]
// ['subcategories']
// .length !=
// 0
// ? SizedBox(
// height: MediaQueries.mediaQueryHeight! /
// 2.5,
// width:
// MediaQueries.mediaQueryWidth! / 2,
// child: ListView.builder(
// itemCount:
// courseCategoryAndSubCategories[
// selectedIndex]
// ['subcategories']
// .length,
// shrinkWrap: true,
// itemBuilder: (builder, index) {
// ListTile(
// title: Text(
// "${courseCategoryAndSubCategories[selectedIndex]['subcategories'][0]['child_name']}"),
// );
// return null;
// },
// ),
// )
// : const Text('No Sub Categories Available'),
// ],
// ),
// )
// ]),
// ),
// ],
// ),
// ),
// builder: (context, value, _) {
// return Transform.translate(
// offset: Offset(0.0, -100 * value!),
// child: _,
// );
// }),
// ),
// );
// });
// }
// class ScrollableBottomSheet extends StatefulWidget {
// final Widget child;
// const ScrollableBottomSheet({super.key, required this.child});
// @override
// _ScrollableBottomSheetState createState() => _ScrollableBottomSheetState();
// }
// class _ScrollableBottomSheetState extends State<ScrollableBottomSheet> {
// @override
// Widget build(BuildContext context) {
// return GestureDetector(
// onTap: () {
// // Close the bottom sheet when tapping outside the content area
// Navigator.of(context).pop();
// },
// child: DraggableScrollableSheet(
// initialChildSize: 0.8, // Initial size of the sheet when expanded
// minChildSize: 0.4, // Minimum size of the sheet when collapsed
// maxChildSize: 0.9, // Maximum size of the sheet when expanded
// builder: (context, scrollController) {
// return ListView(
// controller: scrollController,
// children: <Widget>[
// widget.child, // Your content goes here
// ],
// );
// },
// ),
// );
// }
// }