add exclude countries option

CHANGELOG.md

@@ -6,3 +6,9 @@
 
 * Code Cleanup: Improved code efficiency by removing unused code and optimizing existing functionalities.
 * Documentation: Added a practical example to the README to help new users get started more easily.
+
+## 1.0.0
+* Release
+
+## 1.1.0
+* Added `excludedCountryCodes` option to exclude specific countries from code execution

README.md

@@ -17,7 +17,7 @@ A highly customizable modal widget for Flutter that allows users to pick a count
 Add this to your package's pubspec.yaml file:
 
 ```dart dependencies:
- pick_country_picker: ^1.0.0
+ pick_country_picker: ^1.1.0
  ```
 2. Install it
 You can install packages from the command line:
@@ -81,6 +81,7 @@ CountryPickerModal(
   },
   selectedIcon: Icon(Icons.check_circle, color: Colors.green),
   overrideCountryCodes: ['US', 'CA', 'GB'],
+  excludedCountryCodes: ['AX', 'USA', 'MX'],
   hideSearch: false,
   hideCloseIcon: false,
   backButton: Icon(Icons.arrow_back),

example/lib/main.dart

@@ -39,6 +39,7 @@ class _HomePageState extends State<HomePage> {
           hideSearch: true,
           backButton: Container(),
           selectedCountryIsoCode: selectedCountry?.iso2Code,
+          excludedCountryCodes: ['AX', 'US', 'MX'],
           title: 'Select your country',
           searchField: Row(
             mainAxisAlignment: MainAxisAlignment.center,

lib/src/services/country_service.dart

@@ -11,6 +11,7 @@ class CountryService {
   List<Country> filterAndSortCountries({
     List<String>? overrideCountryCodes,
     List<String>? priorityCountryCodes,
+    List<String>? excludedCountryCodes,
     Country? selectedCountry,
   }) {
     var countries = List<Country>.from(allCountries);
@@ -31,6 +32,11 @@ class CountryService {
       countries = priorityCountries + otherCountries;
     }
 
+    if (excludedCountryCodes != null) {
+      countries.removeWhere(
+          (country) => excludedCountryCodes.contains(country.iso2Code));
+    }
+
     if (selectedCountry != null) {
       final selectedIndex = countries
           .indexWhere(

lib/src/services/pick_country_lookup_service.dart

@@ -5,21 +5,23 @@ import 'package:pick_country_picker/src/data/country_codes.dart';
 class PickCountryLookupService {
   final List<Country> _allCountries;
 
-  PickCountryLookupService()
-      : _allCountries =
-            countryCodes.map((code) => Country.fromJson(code)).toList();
+  PickCountryLookupService({List<String>? excludedCountryCodes})
+      : _allCountries = countryCodes
+            .map((code) => Country.fromJson(code))
+            .where((country) =>
+                excludedCountryCodes == null ||
+                !excludedCountryCodes.contains(country.iso2Code))
+            .toList();
 
-// Fetch a country by its ISO code
+  // Fetch a country by its ISO code
   Country? getCountryByIsoCode(String isoCode) {
-    return _allCountries
-        .firstWhereOrNull(
+    return _allCountries.firstWhereOrNull(
         (country) => country.iso2Code.toLowerCase() == isoCode.toLowerCase());
   }
 
   // Fetch a country by its country code
   Country? getCountryByCountryCode(String countryCode) {
-    return _allCountries
-        .firstWhereOrNull((country) =>
+    return _allCountries.firstWhereOrNull((country) =>
         country.countryCode.toLowerCase() == countryCode.toLowerCase());
   }
 

lib/src/widgets/country_picker_modal.dart

@@ -5,7 +5,6 @@ import 'package:pick_country_picker/src/services/country_service.dart';
 import 'package:pick_country_picker/src/widgets/country_list_widget.dart';
 import 'package:pick_country_picker/src/widgets/search_field_widget.dart';
 
-
 /// A modal widget that allows the user to pick a country from a list.
 ///
 /// Offers extensive customization options, including overriding the default country list,
@@ -15,12 +14,11 @@ class CountryPickerModal extends StatefulWidget {
   /// Passes the newly selected [Country] object to the caller for further processing.
   final Function(Country) onCountryChanged;
 
-/// An optional ISO 3166-1 alpha-2 code or country code to pre-select a country.
+  /// An optional ISO 3166-1 alpha-2 code or country code to pre-select a country.
   /// If provided, the specified country will be highlighted and placed at the top of the list.
   final Country? selectedCountry;
 
-
-/// Optional parameter to specify the country to be pre-selected using its ISO 3166-1 alpha-2
+  /// Optional parameter to specify the country to be pre-selected using its ISO 3166-1 alpha-2
   /// representation (e.g., 'US' for United States, 'CA' for Canada).
   final String? selectedCountryCode;
 
@@ -44,6 +42,10 @@ class CountryPickerModal extends StatefulWidget {
   /// Use this to restrict the selection to a specific set of countries, overriding the default list.
   final List<String>? overrideCountryCodes;
 
+  /// Country ISO codes to exclusively remove from a picker.
+  /// Use this to restrict the selection to a specific set of countries, overriding the default list.
+  final List<String>? excludedCountryCodes;
+
   /// Controls whether to display the search field. If true, users can only scroll to find countries.
   final bool hideSearch;
 
@@ -102,6 +104,7 @@ class CountryPickerModal extends StatefulWidget {
       this.title = 'Select Country',
       this.priorityCountryCodes,
       this.overrideCountryCodes,
+      this.excludedCountryCodes,
       this.hideSearch = false,
       this.hideCloseIcon = false,
       this.useCupertinoModal = false,
@@ -136,10 +139,12 @@ class CountryPickerModalState extends State<CountryPickerModal> {
 
   void _initializeCountries() {
     final countryService = CountryService();
-    final pickCountryLookupService = PickCountryLookupService();
+    final pickCountryLookupService = PickCountryLookupService(
+        excludedCountryCodes: widget.excludedCountryCodes);
     _countries = countryService.filterAndSortCountries(
       overrideCountryCodes: widget.overrideCountryCodes,
       priorityCountryCodes: widget.priorityCountryCodes,
+      excludedCountryCodes: widget.excludedCountryCodes,
     );
 
     // Determine the initial country based on the provided properties
@@ -168,8 +173,6 @@ class CountryPickerModalState extends State<CountryPickerModal> {
     _filteredCountries = List<Country>.from(_countries);
   }
 
-
-
   void _filterCountries(String query) {
     setState(() {
       _filteredCountries = _countries
@@ -217,21 +220,21 @@ class CountryPickerModalState extends State<CountryPickerModal> {
         child: SafeArea(
           child: Column(
             children: [
-                Padding(
-                  padding: const EdgeInsets.symmetric(
-                      horizontal: 16.0, vertical: 8.0),
-                  child: Row(
-                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              Padding(
+                padding:
+                    const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                   children: [
-                        Expanded(child: _buildSearchField()),
-                      widget.backButton ??
-                          CupertinoButton(
-                            child: Text(widget.cancelText),
-                            onPressed: () => Navigator.of(context).pop(),
-                          ),
-                    ],
-                  ),
+                    Expanded(child: _buildSearchField()),
+                    widget.backButton ??
+                        CupertinoButton(
+                          child: Text(widget.cancelText),
+                          onPressed: () => Navigator.of(context).pop(),
+                        ),
+                  ],
                 ),
+              ),
               Expanded(
                 child: _buildCountryPickerList(),
               ),

pubspec.yaml

@@ -1,6 +1,6 @@
 name: pick_country_picker
 description: A highly customizable Flutter package for selecting a country from a modal list.
-version: 1.0.0
+version: 1.1.0
 homepage:
 repository: https://github.com/ThickLine/pick_country_picker