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create new dropdown

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Yasien Mac Mini
2025-06-10 15:39:49 +02:00
parent 5f68fc2a05
commit ccd9c5ae05
1 changed files with 207 additions and 0 deletions
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Frontend/lib/mih_components/mih_package_components/mih_dropdwn_field.dart Normal file
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import 'package:flutter/material.dart';
import '../../main.dart';
class MihDropdownField extends StatefulWidget {
final TextEditingController controller;
final String hintText;
final bool requiredText;
final List<String> dropdownOptions;
final bool editable;
final bool enableSearch;
final FormFieldValidator<String>? validator;
const MihDropdownField({
super.key,
required this.controller,
required this.hintText,
required this.dropdownOptions,
required this.requiredText,
required this.editable,
required this.enableSearch,
this.validator,
});
@override
State<MihDropdownField> createState() => _MihDropdownFieldState();
}
class _MihDropdownFieldState extends State<MihDropdownField> {
late List<DropdownMenuEntry<String>> menu;
List<DropdownMenuEntry<String>> buildMenuOptions(List<String> options) {
List<DropdownMenuEntry<String>> menuList = [];
final theme = MzanziInnovationHub.of(context)!.theme;
for (final i in options) {
menuList.add(DropdownMenuEntry(
value: i,
label: i,
style: ButtonStyle(
foregroundColor: WidgetStatePropertyAll(theme.primaryColor()),
),
));
}
return menuList;
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
menu = buildMenuOptions(widget.dropdownOptions);
}
@override
void initState() {
super.initState();
menu = widget.dropdownOptions
.map((e) => DropdownMenuEntry(value: e, label: e))
.toList();
}
@override
Widget build(BuildContext context) {
final theme = MzanziInnovationHub.of(context)!.theme;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
widget.hintText,
style: TextStyle(
color: theme.secondaryColor(),
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
if (!widget.requiredText)
Text(
"(Optional)",
style: TextStyle(
color: theme.secondaryColor(),
fontSize: 15,
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 4),
FormField<String>(
validator: widget.validator,
autovalidateMode: AutovalidateMode.onUserInteraction,
initialValue: widget.controller.text,
builder: (field) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Theme(
data: Theme.of(context).copyWith(
textSelectionTheme: TextSelectionThemeData(
selectionColor:
theme.primaryColor().withValues(alpha: 0.3),
selectionHandleColor: theme.primaryColor(),
),
),
child: DropdownMenu(
controller: widget.controller,
dropdownMenuEntries: menu,
enableSearch: widget.enableSearch,
enableFilter: widget.enableSearch,
enabled: widget.editable,
menuHeight: 400,
expandedInsets: EdgeInsets.zero,
textStyle: TextStyle(
color: theme.primaryColor(),
fontWeight: FontWeight.w500,
),
trailingIcon: Icon(
Icons.arrow_drop_down,
color: theme.primaryColor(),
),
selectedTrailingIcon: Icon(
Icons.arrow_drop_up,
color: theme.primaryColor(),
),
leadingIcon: IconButton(
onPressed: () {
widget.controller.clear();
field.didChange('');
},
icon: Icon(
Icons.delete_outline_rounded,
color: theme.primaryColor(),
),
),
onSelected: (String? selectedValue) {
field.didChange(selectedValue);
},
menuStyle: MenuStyle(
backgroundColor:
WidgetStatePropertyAll(theme.secondaryColor()),
side: WidgetStatePropertyAll(
BorderSide(color: theme.primaryColor(), width: 1.0),
),
shape: WidgetStatePropertyAll(
RoundedRectangleBorder(
borderRadius: BorderRadius.circular(
10), // Increase for more roundness
),
),
),
inputDecorationTheme: InputDecorationTheme(
errorStyle: const TextStyle(height: 0, fontSize: 0),
contentPadding: const EdgeInsets.symmetric(
horizontal: 10.0, vertical: 8.0),
filled: true,
fillColor: theme.secondaryColor(),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8.0),
borderSide: BorderSide.none,
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8.0),
borderSide: BorderSide(
color: field.hasError
? theme.errorColor()
: theme.secondaryColor(),
width: 3.0,
),
),
errorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8.0),
borderSide: BorderSide(
color: theme.errorColor(),
width: 3.0,
),
),
focusedErrorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8.0),
borderSide: BorderSide(
color: theme.errorColor(),
width: 3.0,
),
),
),
),
),
if (field.hasError)
Padding(
padding: const EdgeInsets.only(left: 8.0, top: 4.0),
child: Text(
field.errorText ?? '',
style: TextStyle(
fontSize: 12,
color: theme.errorColor(),
fontWeight: FontWeight.bold,
),
),
),
],
);
},
),
],
);
}
}