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admin1
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import 'package:flutter/material.dart';
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import '../../core/contracts/script_widget.dart';
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import '../../shared/theme/app_theme.dart';
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import '../../shared/widgets/setting_select.dart';
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class ScriptWidgetParameterForm extends StatefulWidget {
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final List<ScriptWidgetParam> parameters;
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final Map<String, Object?> initialValues;
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final ValueChanged<Map<String, Object?>> onChanged;
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final bool hidePagingParameters;
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const ScriptWidgetParameterForm({
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super.key,
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required this.parameters,
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required this.initialValues,
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required this.onChanged,
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this.hidePagingParameters = false,
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});
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@override
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State<ScriptWidgetParameterForm> createState() =>
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_ScriptWidgetParameterFormState();
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}
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class _ScriptWidgetParameterFormState extends State<ScriptWidgetParameterForm> {
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final Map<String, TextEditingController> _textControllers =
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<String, TextEditingController>{};
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late Map<String, Object?> _values;
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@override
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void initState() {
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super.initState();
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_values = _buildInitialValues();
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_synchronizeTextControllers();
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}
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@override
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void didUpdateWidget(covariant ScriptWidgetParameterForm oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.parameters != widget.parameters ||
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oldWidget.initialValues != widget.initialValues) {
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_values = _buildInitialValues();
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_synchronizeTextControllers();
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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 controller in _textControllers.values) {
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controller.dispose();
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}
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super.dispose();
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}
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Map<String, Object?> _buildInitialValues() {
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final defaultValues = buildScriptWidgetParameterDefaults(widget.parameters);
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return <String, Object?>{
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for (final parameter in widget.parameters)
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parameter.name:
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widget.initialValues[parameter.name] ??
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defaultValues[parameter.name],
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};
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}
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void _synchronizeTextControllers() {
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final activeNames = widget.parameters
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.where((parameter) => !_usesOptionSelector(parameter))
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.map((parameter) => parameter.name)
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.toSet();
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final staleNames = _textControllers.keys
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.where((name) => !activeNames.contains(name))
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.toList(growable: false);
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for (final name in staleNames) {
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_textControllers.remove(name)?.dispose();
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}
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for (final parameter in widget.parameters) {
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if (_usesOptionSelector(parameter)) continue;
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final value = _values[parameter.name]?.toString() ?? '';
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final controller = _textControllers.putIfAbsent(
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parameter.name,
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TextEditingController.new,
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);
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if (controller.text != value) {
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controller.value = TextEditingValue(
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text: value,
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selection: TextSelection.collapsed(offset: value.length),
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);
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}
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}
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}
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bool _usesOptionSelector(ScriptWidgetParam parameter) {
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return parameter.type == 'enumeration' ||
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parameter.enumOptions.isNotEmpty ||
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parameter.placeholders.isNotEmpty;
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}
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bool _isVisible(ScriptWidgetParam parameter) {
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if (parameter.type == 'constant') return false;
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if (widget.hidePagingParameters &&
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const <String>{'page', 'offset'}.contains(parameter.type)) {
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return false;
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}
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final condition = parameter.belongTo;
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if (condition == null || condition.paramName.isEmpty) return true;
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final parentValue = _values[condition.paramName]?.toString() ?? '';
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return condition.value.contains(parentValue);
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}
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void _updateValue(String name, Object? value) {
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setState(() {
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_values[name] = value;
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});
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widget.onChanged(Map<String, Object?>.unmodifiable(_values));
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}
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@override
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Widget build(BuildContext context) {
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final visibleParameters = widget.parameters
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.where(_isVisible)
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.toList(growable: false);
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if (visibleParameters.isEmpty) return const SizedBox.shrink();
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return Wrap(
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spacing: 12,
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runSpacing: 12,
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children: [
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for (final parameter in visibleParameters)
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SizedBox(
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width: _fieldWidth(parameter),
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child: _buildField(parameter),
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),
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],
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);
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}
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double _fieldWidth(ScriptWidgetParam parameter) {
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if (const <String>{'count', 'page', 'offset'}.contains(parameter.type)) {
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return 132;
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}
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return 240;
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}
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Widget _buildField(ScriptWidgetParam parameter) {
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final options = parameter.enumOptions.isNotEmpty
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? parameter.enumOptions
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: parameter.placeholders;
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if (_usesOptionSelector(parameter)) {
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final selectedValue = _values[parameter.name]?.toString() ?? '';
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final optionValues = options.map((option) => option.value).toSet();
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final effectiveValue = optionValues.contains(selectedValue)
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? selectedValue
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: null;
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final labelsByValue = <String, String>{
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for (final option in options)
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option.value: option.title.isEmpty ? option.value : option.title,
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};
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final theme = Theme.of(context);
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final tokens = context.appTokens;
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final helper = _helperFor(parameter);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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_labelFor(parameter),
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style: theme.textTheme.labelMedium?.copyWith(
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fontWeight: FontWeight.w600,
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),
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),
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const SizedBox(height: 6),
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SettingSelect<String>(
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value: effectiveValue,
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options: options
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.map((option) => option.value)
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.toList(growable: false),
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labelOf: (value) => labelsByValue[value] ?? value,
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onChanged: (value) => _updateValue(parameter.name, value ?? ''),
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),
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if (helper != null) ...[
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const SizedBox(height: 4),
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Text(
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helper,
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style: theme.textTheme.bodySmall?.copyWith(
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color: tokens.mutedForeground,
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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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final isNumeric = const <String>{
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'count',
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'page',
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'offset',
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}.contains(parameter.type);
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final theme = Theme.of(context);
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final tokens = context.appTokens;
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final inputBorder = OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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borderSide: BorderSide(
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color: tokens.mutedForeground.withValues(alpha: 0.28),
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),
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);
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return TextField(
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controller: _textControllers[parameter.name],
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keyboardType: isNumeric ? TextInputType.number : TextInputType.text,
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decoration: InputDecoration(
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labelText: _labelFor(parameter),
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helperText: _helperFor(parameter),
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filled: true,
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fillColor: theme.colorScheme.surface.withValues(alpha: 0.42),
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border: inputBorder,
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enabledBorder: inputBorder,
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focusedBorder: inputBorder.copyWith(
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borderSide: BorderSide(color: theme.colorScheme.primary),
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),
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isDense: true,
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),
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onChanged: (value) {
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final parsedValue = isNumeric ? int.tryParse(value) ?? value : value;
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_updateValue(parameter.name, parsedValue);
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},
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);
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}
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String _labelFor(ScriptWidgetParam parameter) {
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return parameter.title.isEmpty ? parameter.name : parameter.title;
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}
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String? _helperFor(ScriptWidgetParam parameter) {
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final description = parameter.description.trim();
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return description.isEmpty ? null : description;
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}
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}
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