Add more

Author: martijn00

CHANGELOG.md

@@ -1,3 +1,14 @@
+## 10.0.3
+
+* Add creditCardExpirationDate
+* Add creditCardExpirationDateNotExpired
+* Add creditCardCVC
+* Add colorCode
+* Add phoneNumber
+* Add uppercase
+* Add lowercase
+* Add file extension
+
 ## 10.0.2
 * Reland generated l10n files
 * Add Bulgarian

README.md

@@ -49,6 +49,10 @@ URL, min, max, minLength, maxLength, minWordsCount, maxWordsCount, IP, credit ca
 Available built-in validators include:
 
 - `FormBuilderValidators.creditCard()` - requires the field's value to be a valid credit card number.
+- `FormBuilderValidators.creditCardExpirationDate()` - requires the field's value to be a valid credit card expiration date.
+- `FormBuilderValidators.creditCardExpirationDateNotExpired()` - requires the field's value to be aa valid credit card expiration date and not be expired.
+- `FormBuilderValidators.creditCardCVC()` - requires the field's value to be a valid credit card CVC number.
+- `FormBuilderValidators.colorCode()` - requires the field's value to be a valid color code.
 - `FormBuilderValidators.date()` - requires the field's value to be a valid date string.
 - `FormBuilderValidators.email()` - requires the field's value to be a valid email address.
 - `FormBuilderValidators.equal()` - requires the field's value to be equal to the provided object.
@@ -65,6 +69,9 @@ Available built-in validators include:
 - `FormBuilderValidators.numeric()` - requires the field's value to be a valid number.
 - `FormBuilderValidators.required()` - requires the field to have a non-empty value.
 - `FormBuilderValidators.url()` - requires the field's value to be a valid URL.
+- `FormBuilderValidators.uppercase()` - requires the field's value to be uppercase.
+- `FormBuilderValidators.lowercase()` - requires the field's value to be lowercase.
+- `FormBuilderValidators.fileExtension()` - requires the field's value to a valid file extension.
 
 ### Supported languages
 

lib/l10n/intl_en.arb

@@ -22,5 +22,8 @@
   "creditCardExpirationDateErrorText": "This field requires a valid expiration date.",
   "creditCardExpiredErrorText": "This credit card has expired.",
   "creditCardCVCErrorText": "This field requires a valid CVC code.",
-  "colorCodeErrorText": "Value should be a valid {colorCode} color code."
+  "colorCodeErrorText": "Value should be a valid {colorCode} color code.",
+  "uppercaseErrorText": "Value must be uppercase.",
+  "lowercaseErrorText": "Value must be lowercase.",
+  "fileExtensionErrorText": "File extension must be {extensions}"
 }

lib/src/form_builder_validators.dart

@@ -1,6 +1,9 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import '../form_builder_validators.dart';
 
+import 'utils/helpers.dart';
 import 'utils/validators.dart';
 
 /// For creation of [FormFieldValidator]s.
@@ -372,4 +375,35 @@ class FormBuilderValidators {
               FormBuilderLocalizations.current
                   .colorCodeErrorText(formats.join(', '))
           : null;
+
+  /// [FormFieldValidator] that requires the field's value to be uppercase.
+  static FormFieldValidator<String> uppercase({
+    String? errorText,
+  }) =>
+      (valueCandidate) => true == valueCandidate?.isNotEmpty &&
+              valueCandidate!.toUpperCase() != valueCandidate
+          ? errorText ?? FormBuilderLocalizations.current.uppercaseErrorText
+          : null;
+
+  /// [FormFieldValidator] that requires the field's value to be lowercase.
+  static FormFieldValidator<String> lowercase({
+    String? errorText,
+  }) =>
+      (valueCandidate) => true == valueCandidate?.isNotEmpty &&
+              valueCandidate!.toLowerCase() != valueCandidate
+          ? errorText ?? FormBuilderLocalizations.current.lowercaseErrorText
+          : null;
+
+  static FormFieldValidator<File> fileExtension({
+    required List<String> allowedExtensions,
+    String? errorText,
+  }) =>
+      (File? valueCandidate) => valueCandidate == null
+          ? null
+          : !allowedExtensions.contains(
+                  fileExtensionFromPath(valueCandidate.path).toLowerCase())
+              ? errorText ??
+                  FormBuilderLocalizations.current
+                      .fileExtensionErrorText(allowedExtensions.join(', '))
+              : null;
 }

lib/src/utils/helpers.dart

@@ -15,3 +15,8 @@ Map merge(Map? obj, Map? defaults) {
       ?.forEach((dynamic key, dynamic val) => obj!.putIfAbsent(key, () => val));
   return obj;
 }
+
+String fileExtensionFromPath(String path) {
+  final splitter = path.split('.');
+  return splitter.length > 1 ? splitter.last : "";
+}