mirror of
https://github.com/ImranR98/Obtainium.git
synced 2026-07-31 01:17:08 -04:00
e68087b558
- Add optional parameter to ToggleTile (default false) - Add optional parameter to GeneratedForm (default false) - GeneratedFormModal now passes to its inner GeneratedForm - Set on direct AlertDialog + GeneratedForm in import_export.dart - Reduce non-tile mode row spacing from 24 to 8
747 lines
23 KiB
Dart
747 lines
23 KiB
Dart
import 'dart:async';
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import 'dart:math';
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import 'package:hsluv/hsluv.dart';
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import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:obtainium/custom_errors.dart';
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import 'package:obtainium/components/generated_form_model.dart';
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import 'package:obtainium/components/ui_widgets.dart';
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import 'package:obtainium/providers/settings_provider.dart';
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import 'package:flutter_typeahead/flutter_typeahead.dart';
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import 'package:provider/provider.dart';
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import 'package:url_launcher/url_launcher_string.dart';
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export 'generated_form_model.dart';
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Color generateRandomLightColor() {
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final randomSeed = Random().nextInt(120);
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final goldenAngle = 180 * (3 - sqrt(5));
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final double hue = randomSeed * goldenAngle;
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final List<double> rgbValuesDbl = Hsluv.hpluvToRgb([hue, 100, 70]);
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final List<int> rgbValues = rgbValuesDbl
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.map((rgb) => (rgb * 255).toInt())
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.toList();
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return Color.fromARGB(255, rgbValues[0], rgbValues[1], rgbValues[2]);
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}
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typedef OnValueChanges =
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void Function(Map<String, dynamic> values, bool valid, bool isBuilding);
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class GeneratedForm extends StatefulWidget {
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const GeneratedForm({
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super.key,
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required this.items,
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required this.onValueChanges,
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this.tileMode = false,
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this.noTilePadding = false,
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});
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final List<List<GeneratedFormItem>> items;
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final OnValueChanges onValueChanges;
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final bool tileMode;
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final bool noTilePadding;
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@override
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State<GeneratedForm> createState() => _GeneratedFormState();
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}
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class TvTextFieldFocus extends StatefulWidget {
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final Widget child;
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final FocusNode textFocusNode;
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final double borderRadius;
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const TvTextFieldFocus({
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super.key,
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required this.child,
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required this.textFocusNode,
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this.borderRadius = 4,
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});
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@override
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State<TvTextFieldFocus> createState() => _TvTextFieldFocusState();
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}
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class _TvTextFieldFocusState extends State<TvTextFieldFocus> {
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final FocusNode _outerFocus = FocusNode();
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bool _activated = false;
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@override
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void initState() {
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super.initState();
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widget.textFocusNode.addListener(_onTextFocusChange);
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}
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@override
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void didUpdateWidget(covariant TvTextFieldFocus oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (widget.textFocusNode != oldWidget.textFocusNode) {
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oldWidget.textFocusNode.removeListener(_onTextFocusChange);
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widget.textFocusNode.addListener(_onTextFocusChange);
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}
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}
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void _onTextFocusChange() {
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if (!widget.textFocusNode.hasFocus && _activated) {
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setState(() => _activated = false);
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_outerFocus.requestFocus();
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}
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}
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@override
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void dispose() {
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widget.textFocusNode.removeListener(_onTextFocusChange);
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_outerFocus.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return PopScope(
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canPop: !_activated,
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onPopInvokedWithResult: (didPop, result) {
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if (!didPop && _activated) {
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setState(() => _activated = false);
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widget.textFocusNode.unfocus();
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_outerFocus.requestFocus();
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}
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},
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child: Focus(
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focusNode: _outerFocus,
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onKeyEvent: (node, event) {
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if (event is KeyDownEvent &&
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(event.logicalKey == LogicalKeyboardKey.select ||
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event.logicalKey == LogicalKeyboardKey.enter)) {
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setState(() => _activated = true);
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WidgetsBinding.instance.addPostFrameCallback((_) {
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widget.textFocusNode.requestFocus();
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});
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return KeyEventResult.handled;
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}
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return KeyEventResult.ignored;
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},
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child: ListenableBuilder(
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listenable: _outerFocus,
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builder: (context, child) => Container(
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decoration: _outerFocus.hasFocus && !_activated
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? BoxDecoration(
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border: Border.all(
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color: Theme.of(context).colorScheme.primary,
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width: 2,
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),
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borderRadius: BorderRadius.circular(widget.borderRadius),
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)
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: null,
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child: ExcludeFocus(excluding: !_activated, child: widget.child),
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),
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),
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),
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);
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}
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}
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class _GeneratedFormState extends State<GeneratedForm> {
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Map<String, dynamic> values = {};
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late List<List<Widget>> formInputs;
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Key? initKey;
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int? _itemsHash;
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int _subFormGenerationCount = 0;
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final List<TextEditingController> _textControllers = [];
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final List<GlobalKey<FormFieldState>> _fieldKeys = [];
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InputDecoration _fieldDecoration({
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required String labelText,
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String? hintText,
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Widget? suffixIcon,
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}) {
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return InputDecoration(
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labelText: labelText,
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hintText: hintText,
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suffixIcon: suffixIcon,
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suffixIconConstraints: widget.tileMode
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? const BoxConstraints(minWidth: 0, minHeight: 0)
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: null,
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);
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}
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Widget? _buildHelpSuffixIcon(
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String label,
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String? helpUrl,
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List<dynamic> belowWidgets,
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) {
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if (helpUrl != null) {
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return IconButton(
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icon: const Icon(Icons.open_in_new),
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tooltip: tr('about'),
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onPressed: () => unawaited(
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launchUrlString(helpUrl, mode: LaunchMode.externalApplication),
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),
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);
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}
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if (belowWidgets.isNotEmpty) {
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return IconButton(
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icon: const Icon(Icons.help_outline),
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tooltip: tr('about'),
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onPressed: () => showHelpDialog(
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context,
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title: label,
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content: belowWidgets.cast<Widget>(),
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),
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);
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}
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return null;
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}
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void notifyFormChange({bool forceInvalid = false, bool isBuilding = false}) {
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final Map<String, dynamic> returnValues = values;
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var valid = true;
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for (final key in _fieldKeys) {
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valid = valid && key.currentState?.isValid == true;
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}
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if (forceInvalid) {
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valid = false;
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}
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widget.onValueChanges(returnValues, valid, isBuilding);
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setState(() {});
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}
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Widget _initTextField(GeneratedFormTextField formItem) {
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final formFieldKey = GlobalKey<FormFieldState>();
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_fieldKeys.add(formFieldKey);
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final ctrl = TextEditingController(text: values[formItem.key]);
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_textControllers.add(ctrl);
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return TypeAheadField<String>(
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controller: ctrl,
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builder: (context, controller, focusNode) {
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final textField = TextFormField(
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controller: ctrl,
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focusNode: focusNode,
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keyboardType: formItem.textInputType,
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obscureText: formItem.password,
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autocorrect: !formItem.password,
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enableSuggestions: !formItem.password,
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key: formFieldKey,
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autovalidateMode: AutovalidateMode.onUserInteraction,
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onChanged: (value) {
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setState(() {
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values[formItem.key] = value;
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notifyFormChange();
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});
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},
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decoration: _fieldDecoration(
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labelText: tr(formItem.label) + (formItem.required ? ' *' : ''),
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hintText: formItem.hint,
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suffixIcon:
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formItem.trailing ??
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_buildHelpSuffixIcon(
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tr(formItem.label),
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formItem.helpUrl,
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formItem.belowWidgets,
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),
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),
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minLines: formItem.max <= 1 ? null : formItem.max,
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maxLines: formItem.max <= 1 ? 1 : formItem.max,
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validator: (value) {
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if (formItem.required && (value == null || value.trim().isEmpty)) {
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return '${tr(formItem.label)} ${tr('requiredInBrackets')}\n';
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}
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for (var validator in formItem.additionalValidators) {
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final String? result = validator(value);
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if (result != null) {
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return '$result\n';
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}
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}
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return null;
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},
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);
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if (context.read<SettingsProvider>().isTV) {
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return TvTextFieldFocus(textFocusNode: focusNode, child: textField);
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}
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return textField;
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},
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itemBuilder: (context, value) {
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return ListTile(title: Text(value));
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},
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onSelected: (value) {
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ctrl.text = value;
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setState(() {
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values[formItem.key] = value;
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notifyFormChange();
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});
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},
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suggestionsCallback: (search) {
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return formItem.autoCompleteOptions
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?.where((t) => t.toLowerCase().contains(search.toLowerCase()))
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.toList();
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},
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hideOnEmpty: true,
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);
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}
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Widget _initDropdown(GeneratedFormDropdown formItem) {
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if (formItem.opts == null || formItem.opts!.isEmpty) {
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return Text(tr('dropdownNoOptsError'));
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}
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return DropdownButtonFormField(
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decoration: _fieldDecoration(
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labelText: tr(formItem.label) + (formItem.required ? ' *' : ''),
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suffixIcon: _buildHelpSuffixIcon(
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tr(formItem.label),
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formItem.helpUrl,
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formItem.belowWidgets,
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),
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),
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initialValue: values[formItem.key],
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items: formItem.opts!.map((e2) {
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final enabled = formItem.disabledOptKeys?.contains(e2.key) != true;
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return DropdownMenuItem(
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value: e2.key,
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enabled: enabled,
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child: Opacity(opacity: enabled ? 1 : 0.5, child: Text(tr(e2.value))),
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);
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}).toList(),
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onChanged: (value) {
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setState(() {
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values[formItem.key] = value ?? values[formItem.key];
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notifyFormChange();
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});
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},
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);
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}
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void _initSubForm(GeneratedFormSubForm formItem) {
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values[formItem.key] = [];
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final initValue = formItem.value;
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if (initValue is! List) return;
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for (Map<String, dynamic> v in initValue.cast<Map<String, dynamic>>()) {
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final fullDefaults = getDefaultValuesFromFormItems(formItem.items);
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for (var element in v.entries) {
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fullDefaults[element.key] = element.value;
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}
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values[formItem.key].add(fullDefaults);
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}
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}
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int _computeItemsHash(List<List<GeneratedFormItem>> items) {
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return Object.hashAll(
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items.expand((row) => row.map((e) {
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return Object.hash(e.key, e.runtimeType,
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e is GeneratedFormTextField ? e.trailingKey : null);
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})),
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);
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}
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void _initFormData() {
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initKey = widget.key;
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_itemsHash = _computeItemsHash(widget.items);
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for (final c in _textControllers) {
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c.dispose();
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}
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_textControllers.clear();
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_fieldKeys.clear();
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values.clear();
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for (var row in widget.items) {
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for (var e in row) {
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values[e.key] = e.value;
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}
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}
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formInputs = widget.items.asMap().entries.map((row) {
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return row.value.asMap().entries.map((e) {
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final formItem = e.value;
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if (formItem is GeneratedFormTextField) {
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return _initTextField(formItem);
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} else if (formItem is GeneratedFormDropdown) {
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return _initDropdown(formItem);
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} else if (formItem is GeneratedFormSubForm) {
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_initSubForm(formItem);
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return Container();
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} else if (formItem is GeneratedFormSwitch) {
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return const SizedBox.shrink();
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} else {
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throw ObtainiumError(
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'Unrecognized form item type: ${formItem.runtimeType}',
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unexpected: true,
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);
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}
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}).toList();
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}).toList();
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}
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@override
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void initState() {
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super.initState();
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_initFormData();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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notifyFormChange(isBuilding: true);
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});
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}
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@override
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void didUpdateWidget(covariant GeneratedForm oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (widget.key != initKey ||
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_computeItemsHash(widget.items) != _itemsHash) {
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_initFormData();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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notifyFormChange(isBuilding: true);
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});
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}
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}
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@override
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void dispose() {
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for (final c in _textControllers) {
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c.dispose();
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}
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_fieldKeys.clear();
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super.dispose();
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}
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Widget _buildSubForm(GeneratedFormSubForm item, String fieldKey,
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{bool isFirst = true, bool isLast = true}) {
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final compact = item.items.length == 1 && item.items[0].length == 1;
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final n = values[fieldKey].length;
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final List<Widget> cards = [];
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for (int i = 0; i < n; i++) {
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final internalFormKey = ValueKey(
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generateDeterministicId(
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n,
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seed2: i,
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seed3: _subFormGenerationCount,
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),
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);
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final isLastEntry = i == n - 1;
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cards.add(
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ConnectedCard(
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isFirst: i == 0 ? isFirst : false,
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isLast: isLastEntry ? isLast : false,
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padding: null,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (!compact) ...[
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 12, 16, 0),
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child: Text(
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'${tr(item.label)} (${i + 1})',
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style: Theme.of(context)
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.textTheme
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.bodyLarge
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?.copyWith(fontWeight: FontWeight.bold),
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),
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),
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const SizedBox(height: 8),
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],
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GeneratedForm(
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key: internalFormKey,
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noTilePadding: widget.noTilePadding,
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items: cloneFormItems(item.items)
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.map(
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(x) => x.map((y) {
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y.value = values[fieldKey]?[i]?[y.key];
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y.key = '${y.key.toString()},$internalFormKey';
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return y;
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}).toList(),
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)
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.toList(),
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onValueChanges: (subValues, valid, isBuilding) {
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final cleaned = subValues.map(
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(key, value) => MapEntry(key.split(',')[0], value),
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);
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if (valid) {
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values[fieldKey]?[i] = cleaned;
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}
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notifyFormChange(
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forceInvalid: !valid,
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isBuilding: isBuilding,
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);
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},
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),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8),
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child: Row(
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children: [
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IconButton(
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style: IconButton.styleFrom(
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foregroundColor:
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Theme.of(context).colorScheme.error,
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),
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visualDensity: VisualDensity.compact,
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tooltip: tr('remove'),
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icon: const Icon(Icons.delete_outline_rounded),
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onPressed: n > 0
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? () {
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final temp =
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List.from(values[fieldKey]);
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temp.removeAt(i);
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values[fieldKey] = List.from(temp);
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_subFormGenerationCount++;
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notifyFormChange();
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}
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: null,
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),
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const Spacer(),
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if (isLastEntry)
|
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TextButton.icon(
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style: TextButton.styleFrom(
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foregroundColor:
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Theme.of(context).colorScheme.primary,
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),
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onPressed: () {
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values[fieldKey].add(
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getDefaultValuesFromFormItems(
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item.items),
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);
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_subFormGenerationCount++;
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notifyFormChange();
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},
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icon: const Icon(Icons.add),
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label: Text(tr(item.label)),
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),
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],
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),
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),
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],
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),
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),
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);
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}
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if (n == 0) {
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cards.add(
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ConnectedCard(
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isFirst: isFirst,
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isLast: isLast,
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padding: null,
|
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8),
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child: Row(
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children: [
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const Spacer(),
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TextButton.icon(
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style: TextButton.styleFrom(
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foregroundColor:
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Theme.of(context).colorScheme.primary,
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),
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onPressed: () {
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values[fieldKey].add(
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getDefaultValuesFromFormItems(item.items),
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);
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_subFormGenerationCount++;
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notifyFormChange();
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},
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icon: const Icon(Icons.add),
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label: Text(tr(item.label)),
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),
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],
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),
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),
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),
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);
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}
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return Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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spacing: 3,
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children: cards,
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);
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}
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|
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@override
|
|
Widget build(BuildContext context) {
|
|
final List<List<Widget>> renderedInputs = [
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for (final row in formInputs) [...row],
|
|
];
|
|
for (var r = 0; r < renderedInputs.length; r++) {
|
|
for (var e = 0; e < renderedInputs[r].length; e++) {
|
|
final item = widget.items[r][e];
|
|
final String fieldKey = item.key;
|
|
if (item is GeneratedFormSwitch) {
|
|
renderedInputs[r][e] = ToggleTile(
|
|
label: tr(item.label),
|
|
value: values[fieldKey] as bool,
|
|
noPadding: widget.noTilePadding,
|
|
onChanged: item.disabled
|
|
? null
|
|
: (value) {
|
|
setState(() {
|
|
values[fieldKey] = value;
|
|
notifyFormChange();
|
|
});
|
|
},
|
|
);
|
|
} else if (item is GeneratedFormSubForm) {
|
|
renderedInputs[r][e] = _buildSubForm(
|
|
item,
|
|
fieldKey,
|
|
isFirst: r == 0,
|
|
isLast: r == widget.items.length - 1,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
final List<Widget> inputRowWidgets = [];
|
|
renderedInputs.asMap().entries.forEach((rowInputs) {
|
|
final List<Widget> rowItems = [];
|
|
rowInputs.value.asMap().entries.forEach((rowInput) {
|
|
if (rowInput.key > 0) {
|
|
rowItems.add(const SizedBox(width: 20));
|
|
}
|
|
rowItems.add(Expanded(child: rowInput.value));
|
|
});
|
|
inputRowWidgets.add(
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.start,
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: rowItems,
|
|
),
|
|
);
|
|
});
|
|
|
|
if (widget.tileMode) {
|
|
bool isFieldRow(int r) =>
|
|
widget.items[r].isNotEmpty &&
|
|
(widget.items[r][0] is GeneratedFormTextField ||
|
|
widget.items[r][0] is GeneratedFormDropdown);
|
|
bool isSubFormRow(int r) =>
|
|
widget.items[r].isNotEmpty &&
|
|
widget.items[r][0] is GeneratedFormSubForm;
|
|
final colorScheme = Theme.of(context).colorScheme;
|
|
final n = inputRowWidgets.length;
|
|
final List<Widget> rawTiles = [];
|
|
for (var r = 0; r < n; r++) {
|
|
if (isSubFormRow(r)) {
|
|
rawTiles.add(inputRowWidgets[r]);
|
|
} else {
|
|
rawTiles.add(
|
|
ConnectedCard(
|
|
isFirst: r == 0,
|
|
isLast: r == n - 1,
|
|
color: isFieldRow(r)
|
|
? colorScheme.surfaceContainerHighest
|
|
: colorScheme.surfaceContainerLow,
|
|
child: inputRowWidgets[r],
|
|
),
|
|
);
|
|
}
|
|
}
|
|
return Column(
|
|
crossAxisAlignment: CrossAxisAlignment.stretch,
|
|
spacing: 3,
|
|
children: rawTiles,
|
|
);
|
|
}
|
|
|
|
final List<Widget> children = [];
|
|
for (var r = 0; r < inputRowWidgets.length; r++) {
|
|
if (r > 0) {
|
|
children.add(const SizedBox(height: 8));
|
|
}
|
|
children.add(inputRowWidgets[r]);
|
|
}
|
|
|
|
return Column(children: children);
|
|
}
|
|
}
|
|
|
|
class GeneratedFormModal extends StatefulWidget {
|
|
const GeneratedFormModal({
|
|
super.key,
|
|
required this.title,
|
|
required this.items,
|
|
this.initValid = false,
|
|
this.message = '',
|
|
this.additionalWidgets = const [],
|
|
this.singleNullReturnButton,
|
|
this.primaryActionColour,
|
|
this.tileMode = false,
|
|
});
|
|
|
|
final String title;
|
|
final String message;
|
|
final List<List<GeneratedFormItem>> items;
|
|
final bool initValid;
|
|
final List<Widget> additionalWidgets;
|
|
final String? singleNullReturnButton;
|
|
final Color? primaryActionColour;
|
|
final bool tileMode;
|
|
|
|
@override
|
|
State<GeneratedFormModal> createState() => _GeneratedFormModalState();
|
|
}
|
|
|
|
class _GeneratedFormModalState extends State<GeneratedFormModal> {
|
|
Map<String, dynamic> values = {};
|
|
bool valid = false;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
valid = widget.initValid || widget.items.isEmpty;
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return AlertDialog(
|
|
scrollable: true,
|
|
title: Text(widget.title),
|
|
content: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.stretch,
|
|
children: [
|
|
if (widget.message.isNotEmpty) Text(widget.message),
|
|
if (widget.message.isNotEmpty) const SizedBox(height: 16),
|
|
GeneratedForm(
|
|
tileMode: widget.tileMode,
|
|
noTilePadding: true,
|
|
items: widget.items,
|
|
onValueChanges: (values, valid, isBuilding) {
|
|
// The callback fires from a post-frame callback (not during
|
|
// build), so setState is always safe here - including for the
|
|
// initial isBuilding pass, which keeps the OK button's validity
|
|
// correct on first render.
|
|
if (!mounted) return;
|
|
setState(() {
|
|
this.values = values;
|
|
this.valid = valid;
|
|
});
|
|
},
|
|
),
|
|
if (widget.additionalWidgets.isNotEmpty) ...widget.additionalWidgets,
|
|
],
|
|
),
|
|
actions: [
|
|
TextButton(
|
|
autofocus: context.read<SettingsProvider>().isTV,
|
|
onPressed: () {
|
|
Navigator.of(context).pop(null);
|
|
},
|
|
child: Text(
|
|
widget.singleNullReturnButton == null
|
|
? tr('cancel')
|
|
: widget.singleNullReturnButton!,
|
|
),
|
|
),
|
|
widget.singleNullReturnButton == null
|
|
? FilledButton(
|
|
style: widget.primaryActionColour == null
|
|
? null
|
|
: FilledButton.styleFrom(
|
|
backgroundColor: widget.primaryActionColour,
|
|
foregroundColor: Theme.of(context).colorScheme.onError,
|
|
),
|
|
onPressed: !valid
|
|
? null
|
|
: () {
|
|
context.read<SettingsProvider>().selectionClick();
|
|
Navigator.of(context).pop(values);
|
|
},
|
|
child: Text(tr('continue')),
|
|
)
|
|
: const SizedBox.shrink(),
|
|
],
|
|
);
|
|
}
|
|
}
|