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Update Validator method: multiselect.dart. #37

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Update Validator method: multiselect.dart. #37

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22260ab
Update multiselect.dart
augustineonu Feb 15, 2024
4440729
Update multiselect.dart
augustineonu Feb 15, 2024
98fd19c
Update pubspec.yaml
augustineonu May 19, 2024
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16 changes: 14 additions & 2 deletions lib/multiselect.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,7 @@ class DropDownMultiSelect<T> extends StatefulWidget {
final Widget Function(T option)? menuItembuilder;

/// a function to validate
final String Function(T? selectedOptions)? validator;
final String? Function(T? selectedOptions)? validator;

/// defines whether the widget is read-only
final bool readOnly;
Expand Down Expand Up @@ -142,7 +142,19 @@ class _DropDownMultiSelectState<TState> extends State<DropDownMultiSelect<TState
hint: widget.hint,
style: widget.hintStyle,
icon: widget.icon,
validator: widget.validator != null ? widget.validator : null,
// validator: widget.validator != null ? widget.validator : null,
validator: widget.validator != null
? (TState? value) {
// Check if the value is null or empty
if (value == null || (value is Iterable && value.isEmpty)) {
return widget.validator!(null);
}

// Call the provided validator function
return widget.validator!(value);
}
: null,

decoration: widget.decoration != null
? widget.decoration
: InputDecoration(
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2 changes: 1 addition & 1 deletion pubspec.yaml
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Expand Up @@ -10,7 +10,7 @@ environment:
dependencies:
flutter:
sdk: flutter
states_rebuilder: ^6.2.0
states_rebuilder: ^6.4.0

dev_dependencies:
flutter_test:
Expand Down