dropdown_plus

Description:

dropdown plus

dropdown_plus #
Simple and easy to use Dropdown in forms with search, keyboard navigation, offiline data source, remote data source and easy customization.
Getting Started #
Simple Text Dropdown.


TextDropdownFormField(
options: ["Male", "Female"],
decoration: InputDecoration(
border: OutlineInputBorder(),
suffixIcon: Icon(Icons.arrow_drop_down),
labelText: "Gender"),
dropdownHeight: 120,
),
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Install #
packages.yaml
dropdown_plus: <lastest version>
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Customizable Example #




final List<Map<String, dynamic>> _roles = [
{"name": "Super Admin", "desc": "Having full access rights", "role": 1},
{
"name": "Admin",
"desc": "Having full access rights of a Organization",
"role": 2
},
{
"name": "Manager",
"desc": "Having Magenent access rights of a Organization",
"role": 3
},
{
"name": "Technician",
"desc": "Having Technician Support access rights",
"role": 4
},
{
"name": "Customer Support",
"desc": "Having Customer Support access rights",
"role": 5
},
{"name": "User", "desc": "Having End User access rights", "role": 6},
];


// ...
// ...

DropdownFormField<Map<String, dynamic>>(
onEmptyActionPressed: () async {},
decoration: InputDecoration(
border: OutlineInputBorder(),
suffixIcon: Icon(Icons.arrow_drop_down),
labelText: "Access"),
onSaved: (dynamic str) {},
onChanged: (dynamic str) {},
validator: (dynamic str) {},
displayItemFn: (dynamic item) => Text(
item['name'] ?? '',
style: TextStyle(fontSize: 16),
),
findFn: (dynamic str) async => _roles,
filterFn: (dynamic item, str) =>
item['name'].toLowerCase().indexOf(str.toLowerCase()) >= 0,
dropdownItemFn: (dynamic item, position, focused,
dynamic lastSelectedItem, onTap) =>
ListTile(
title: Text(item['name']),
subtitle: Text(
item['desc'] ?? '',
),
tileColor:
focused ? Color.fromARGB(20, 0, 0, 0) : Colors.transparent,
onTap: onTap,
),
),
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Options #
final bool autoFocus;
final bool Function(dynamic item, String str)? filterFn;
final bool Function(dynamic item1, dynamic item2)? selectedFn;
final Future<List<dynamic>> Function(String str) findFn;

final ListTile Function(
dynamic item,
int position,
bool focused,
bool selected,
Function() onTap,
) dropdownItemFn;

final Widget Function(dynamic item) displayItemFn;
final InputDecoration? decoration;
final Color? dropdownColor;
final DropdownEditingController<T>? controller;
final void Function(dynamic item)? onChanged;
final void Function(dynamic)? onSaved;
final String? Function(T?)? validator;
final double? dropdownHeight;
final TextStyle? searchTextStyle;
final String emptyText;
final String emptyActionText;
final Future<void> Function()? onEmptyActionPressed;

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