mirror of
https://github.com/ImranR98/Obtainium.git
synced 2025-07-13 13:26:43 +02:00
501 lines
19 KiB
Dart
501 lines
19 KiB
Dart
import 'dart:math';
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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:obtainium/components/generated_form_modal.dart';
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abstract class GeneratedFormItem {
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late String key;
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late String label;
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late List<Widget> belowWidgets;
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late dynamic defaultValue;
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List<dynamic> additionalValidators;
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dynamic ensureType(dynamic val);
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GeneratedFormItem(this.key,
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{this.label = 'Input',
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this.belowWidgets = const [],
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this.defaultValue,
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this.additionalValidators = const []});
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}
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class GeneratedFormTextField extends GeneratedFormItem {
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late bool required;
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late int max;
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late String? hint;
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late bool password;
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GeneratedFormTextField(String key,
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{String label = 'Input',
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List<Widget> belowWidgets = const [],
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String defaultValue = '',
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List<String? Function(String? value)> additionalValidators = const [],
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this.required = true,
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this.max = 1,
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this.hint,
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this.password = false})
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: super(key,
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label: label,
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belowWidgets: belowWidgets,
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defaultValue: defaultValue,
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additionalValidators: additionalValidators);
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@override
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String ensureType(val) {
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return val.toString();
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}
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}
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class GeneratedFormDropdown extends GeneratedFormItem {
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late List<MapEntry<String, String>>? opts;
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GeneratedFormDropdown(
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String key,
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this.opts, {
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String label = 'Input',
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List<Widget> belowWidgets = const [],
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String defaultValue = '',
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List<String? Function(String? value)> additionalValidators = const [],
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}) : super(key,
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label: label,
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belowWidgets: belowWidgets,
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defaultValue: defaultValue,
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additionalValidators: additionalValidators);
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@override
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String ensureType(val) {
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return val.toString();
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}
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}
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class GeneratedFormSwitch extends GeneratedFormItem {
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GeneratedFormSwitch(
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String key, {
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String label = 'Input',
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List<Widget> belowWidgets = const [],
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bool defaultValue = false,
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List<String? Function(bool value)> additionalValidators = const [],
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}) : super(key,
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label: label,
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belowWidgets: belowWidgets,
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defaultValue: defaultValue,
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additionalValidators: additionalValidators);
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@override
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bool ensureType(val) {
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return val == true || val == 'true';
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}
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}
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class GeneratedFormTagInput extends GeneratedFormItem {
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late MapEntry<String, String>? deleteConfirmationMessage;
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late bool singleSelect;
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late WrapAlignment alignment;
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late String emptyMessage;
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late bool showLabelWhenNotEmpty;
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GeneratedFormTagInput(String key,
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{String label = 'Input',
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List<Widget> belowWidgets = const [],
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Map<String, MapEntry<int, bool>> defaultValue = const {},
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List<String? Function(Map<String, MapEntry<int, bool>> value)>
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additionalValidators = const [],
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this.deleteConfirmationMessage,
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this.singleSelect = false,
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this.alignment = WrapAlignment.start,
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this.emptyMessage = 'Input',
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this.showLabelWhenNotEmpty = true})
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: super(key,
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label: label,
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belowWidgets: belowWidgets,
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defaultValue: defaultValue,
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additionalValidators: additionalValidators);
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@override
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Map<String, MapEntry<int, bool>> ensureType(val) {
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return val is Map<String, MapEntry<int, bool>> ? val : {};
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}
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}
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typedef OnValueChanges = void Function(
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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, required this.items, required this.onValueChanges});
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final List<List<GeneratedFormItem>> items;
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final OnValueChanges onValueChanges;
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@override
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State<GeneratedForm> createState() => _GeneratedFormState();
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}
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// Generates a random light color
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// Courtesy of ChatGPT 😭 (with a bugfix 🥳)
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Color generateRandomLightColor() {
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// Create a random number generator
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final Random random = Random();
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// Generate random hue, saturation, and value values
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final double hue = random.nextDouble() * 360;
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final double saturation = 0.5 + random.nextDouble() * 0.5;
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final double value = 0.9 + random.nextDouble() * 0.1;
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// Create a HSV color with the random values
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return HSVColor.fromAHSV(1.0, hue, saturation, value).toColor();
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}
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class _GeneratedFormState extends State<GeneratedForm> {
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final _formKey = GlobalKey<FormState>();
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Map<String, dynamic> values = {};
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late List<List<Widget>> formInputs;
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List<List<Widget>> rows = [];
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String? initKey;
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// If any value changes, call this to update the parent with value and validity
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void someValueChanged({bool isBuilding = false}) {
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Map<String, dynamic> returnValues = values;
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var valid = true;
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for (int r = 0; r < widget.items.length; r++) {
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for (int i = 0; i < widget.items[r].length; i++) {
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if (formInputs[r][i] is TextFormField) {
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var fieldState =
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(formInputs[r][i].key as GlobalKey<FormFieldState>).currentState;
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if (fieldState != null) {
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valid = valid && fieldState.isValid;
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}
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}
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}
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}
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widget.onValueChanges(returnValues, valid, isBuilding);
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}
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initForm() {
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initKey = widget.key.toString();
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// Initialize form values as all empty
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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.defaultValue;
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}
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}
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// Dynamically create form inputs
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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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var formItem = e.value;
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if (formItem is GeneratedFormTextField) {
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final formFieldKey = GlobalKey<FormFieldState>();
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return TextFormField(
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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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initialValue: values[formItem.key],
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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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someValueChanged();
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});
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},
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decoration: InputDecoration(
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helperText: formItem.label + (formItem.required ? ' *' : ''),
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hintText: formItem.hint),
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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 &&
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(value == null || value.trim().isEmpty)) {
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return '${formItem.label} ${tr('requiredInBrackets')}';
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}
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for (var validator in formItem.additionalValidators) {
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String? result = validator(value);
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if (result != null) {
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return result;
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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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} else if (formItem is GeneratedFormDropdown) {
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if (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: InputDecoration(labelText: formItem.label),
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value: values[formItem.key],
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items: formItem.opts!
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.map((e2) =>
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DropdownMenuItem(value: e2.key, child: Text(e2.value)))
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.toList(),
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onChanged: (value) {
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setState(() {
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values[formItem.key] = value ?? formItem.opts!.first.key;
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someValueChanged();
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});
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});
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} else {
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return Container(); // Some input types added in build
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}
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}).toList();
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}).toList();
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someValueChanged(isBuilding: true);
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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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initForm();
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}
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@override
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Widget build(BuildContext context) {
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if (widget.key.toString() != initKey) {
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initForm();
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}
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for (var r = 0; r < formInputs.length; r++) {
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for (var e = 0; e < formInputs[r].length; e++) {
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if (widget.items[r][e] is GeneratedFormSwitch) {
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formInputs[r][e] = Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(widget.items[r][e].label),
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Switch(
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value: values[widget.items[r][e].key],
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onChanged: (value) {
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setState(() {
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values[widget.items[r][e].key] = value;
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someValueChanged();
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});
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})
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],
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);
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} else if (widget.items[r][e] is GeneratedFormTagInput) {
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formInputs[r][e] =
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Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: [
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if ((values[widget.items[r][e].key]
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as Map<String, MapEntry<int, bool>>?)
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?.isNotEmpty ==
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true &&
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(widget.items[r][e] as GeneratedFormTagInput)
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.showLabelWhenNotEmpty)
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Column(
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crossAxisAlignment:
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(widget.items[r][e] as GeneratedFormTagInput).alignment ==
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WrapAlignment.center
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? CrossAxisAlignment.center
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: CrossAxisAlignment.stretch,
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children: [
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Text(widget.items[r][e].label),
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const SizedBox(
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height: 8,
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),
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],
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),
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Wrap(
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alignment:
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(widget.items[r][e] as GeneratedFormTagInput).alignment,
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crossAxisAlignment: WrapCrossAlignment.center,
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children: [
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(values[widget.items[r][e].key]
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as Map<String, MapEntry<int, bool>>?)
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?.isEmpty ==
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true
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? Text(
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(widget.items[r][e] as GeneratedFormTagInput)
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.emptyMessage,
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)
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: const SizedBox.shrink(),
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...(values[widget.items[r][e].key]
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as Map<String, MapEntry<int, bool>>?)
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?.entries
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.map((e2) {
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4),
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child: ChoiceChip(
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label: Text(e2.key),
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backgroundColor: Color(e2.value.key).withAlpha(50),
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selectedColor: Color(e2.value.key),
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visualDensity: VisualDensity.compact,
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selected: e2.value.value,
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onSelected: (value) {
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setState(() {
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(values[widget.items[r][e].key] as Map<String,
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MapEntry<int, bool>>)[e2.key] =
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MapEntry(
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(values[widget.items[r][e].key] as Map<
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String,
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MapEntry<int, bool>>)[e2.key]!
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.key,
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value);
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if ((widget.items[r][e]
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as GeneratedFormTagInput)
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.singleSelect &&
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value == true) {
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for (var key in (values[
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widget.items[r][e].key]
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as Map<String, MapEntry<int, bool>>)
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.keys) {
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if (key != e2.key) {
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(values[widget.items[r][e].key] as Map<
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String,
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MapEntry<int, bool>>)[key] =
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MapEntry(
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(values[widget.items[r][e].key]
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as Map<
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String,
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MapEntry<int,
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bool>>)[key]!
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.key,
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false);
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}
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}
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}
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someValueChanged();
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});
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},
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));
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}) ??
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[const SizedBox.shrink()],
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(values[widget.items[r][e].key]
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as Map<String, MapEntry<int, bool>>?)
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?.values
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.where((e) => e.value)
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.isNotEmpty ==
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true
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? Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4),
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child: IconButton(
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onPressed: () {
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fn() {
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setState(() {
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var temp = values[widget.items[r][e].key]
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as Map<String, MapEntry<int, bool>>;
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temp.removeWhere((key, value) => value.value);
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values[widget.items[r][e].key] = temp;
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someValueChanged();
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});
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}
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if ((widget.items[r][e] as GeneratedFormTagInput)
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.deleteConfirmationMessage !=
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null) {
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var message =
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(widget.items[r][e] as GeneratedFormTagInput)
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.deleteConfirmationMessage!;
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showDialog<Map<String, dynamic>?>(
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context: context,
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builder: (BuildContext ctx) {
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return GeneratedFormModal(
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title: message.key,
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message: message.value,
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items: const []);
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}).then((value) {
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if (value != null) {
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fn();
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}
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});
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} else {
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fn();
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}
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},
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icon: const Icon(Icons.remove),
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visualDensity: VisualDensity.compact,
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tooltip: tr('remove'),
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))
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: const SizedBox.shrink(),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4),
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child: IconButton(
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onPressed: () {
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showDialog<Map<String, dynamic>?>(
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context: context,
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builder: (BuildContext ctx) {
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return GeneratedFormModal(
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title: widget.items[r][e].label,
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items: [
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[
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GeneratedFormTextField('label',
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label: tr('label'))
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]
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]);
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}).then((value) {
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String? label = value?['label'];
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if (label != null) {
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setState(() {
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var temp = values[widget.items[r][e].key]
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as Map<String, MapEntry<int, bool>>?;
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temp ??= {};
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if (temp[label] == null) {
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var singleSelect = (widget.items[r][e]
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as GeneratedFormTagInput)
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.singleSelect;
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var someSelected = temp.entries
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.where((element) => element.value.value)
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.isNotEmpty;
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temp[label] = MapEntry(
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generateRandomLightColor().value,
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!(someSelected && singleSelect));
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values[widget.items[r][e].key] = temp;
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someValueChanged();
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}
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});
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}
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});
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},
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icon: const Icon(Icons.add),
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visualDensity: VisualDensity.compact,
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tooltip: tr('add'),
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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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rows.clear();
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formInputs.asMap().entries.forEach((rowInputs) {
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if (rowInputs.key > 0) {
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rows.add([
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SizedBox(
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height: widget.items[rowInputs.key - 1][0] is GeneratedFormSwitch
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? 8
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: 25,
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)
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]);
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}
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List<Widget> rowItems = [];
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rowInputs.value.asMap().entries.forEach((rowInput) {
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if (rowInput.key > 0) {
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rowItems.add(const SizedBox(
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width: 20,
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));
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}
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rowItems.add(Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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mainAxisSize: MainAxisSize.min,
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children: [
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rowInput.value,
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...widget.items[rowInputs.key][rowInput.key].belowWidgets
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])));
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});
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rows.add(rowItems);
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});
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return Form(
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key: _formKey,
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child: Column(
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children: [
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...rows.map((row) => Row(
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mainAxisAlignment: MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [...row.map((e) => e)],
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))
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],
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));
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}
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}
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