mirror of
https://github.com/wger-project/flutter.git
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92 lines
2.8 KiB
Dart
92 lines
2.8 KiB
Dart
/*
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* This file is part of wger Workout Manager <https://github.com/wger-project>.
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* Copyright (C) 2020, 2021 wger Team
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*
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* wger Workout Manager is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* wger Workout Manager is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'package:flutter/material.dart';
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/// Input widget for exercise category objects
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///
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/// Can be used with a Setting or a Log object
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class ExerciseCategoryInputWidget<T> extends StatefulWidget {
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late final String _title;
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late final Function _callback;
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late final List<T> _entries;
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late final Function _getDisplayName;
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late final Function? _validator;
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late final Key? _key;
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ExerciseCategoryInputWidget({
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Key? key,
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required String title,
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required List<T> entries,
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required Function callback,
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required Function displayName,
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Function? validator,
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}) {
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_key = key;
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_entries = entries;
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_title = title;
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_callback = callback;
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_getDisplayName = displayName;
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_validator = validator;
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}
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@override
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_ExerciseCategoryInputWidgetState createState() => _ExerciseCategoryInputWidgetState<T>();
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}
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class _ExerciseCategoryInputWidgetState<T> extends State<ExerciseCategoryInputWidget> {
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@override
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Widget build(BuildContext context) {
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T? selectedEntry;
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return Padding(
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padding: const EdgeInsets.all(8.0),
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child: DropdownButtonFormField(
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key: widget.key,
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value: selectedEntry,
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decoration: InputDecoration(
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labelText: widget._title,
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contentPadding: const EdgeInsets.all(8.0),
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border: const OutlineInputBorder(
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borderRadius: BorderRadius.all(Radius.circular(10)),
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),
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),
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onChanged: (T? newValue) {
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setState(() {
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selectedEntry = newValue as T;
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widget._callback(newValue);
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});
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},
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validator: (T? value) {
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if (widget._validator != null) {
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return widget._validator!(value);
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}
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return null;
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},
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items: widget._entries.map<DropdownMenuItem<T>>((value) {
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return DropdownMenuItem<T>(
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key: Key(value.id.toString()),
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value: value,
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child: Text(widget._getDisplayName(value)),
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);
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}).toList(),
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),
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);
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}
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}
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