66 lines
1.8 KiB
Dart
66 lines
1.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_redux/flutter_redux.dart';
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import 'package:invoiceninja_flutter/redux/app/app_state.dart';
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class AppDropdownButton<T> extends StatelessWidget {
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const AppDropdownButton({
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@required this.value,
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@required this.onChanged,
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@required this.items,
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this.labelText,
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this.showBlank,
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this.blankValue = '',
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this.enabled = true,
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});
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final String labelText;
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final dynamic value;
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final Function(dynamic) onChanged;
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final List<DropdownMenuItem<T>> items;
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final bool showBlank;
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final bool enabled;
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final dynamic blankValue;
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@override
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Widget build(BuildContext context) {
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final state = StoreProvider.of<AppState>(context).state;
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final _showBlank = showBlank ?? state.settingsUIState.isFiltered;
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dynamic checkedValue = value;
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final values = items.toList().map((option) => option.value).toList();
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if (!values.contains(value)) {
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checkedValue = blankValue;
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}
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final bool isEmpty = checkedValue == null || checkedValue == '';
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final dropDownButton = DropdownButtonHideUnderline(
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child: DropdownButton<T>(
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value: checkedValue,
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isExpanded: true,
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isDense: labelText != null,
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onChanged: enabled ? onChanged : null,
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items: [
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if (_showBlank || isEmpty)
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DropdownMenuItem(
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value: blankValue,
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child: SizedBox(),
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),
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...items
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],
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),
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);
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if (labelText != null) {
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return InputDecorator(
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decoration: InputDecoration(
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labelText: labelText,
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contentPadding: EdgeInsets.only(right: 12, top: 12, bottom: 12),
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),
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isEmpty: isEmpty,
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child: dropDownButton);
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} else {
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return dropDownButton;
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}
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}
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}
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