399 lines
11 KiB
Dart
399 lines
11 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:d4rt_formulas/formula_models.dart';
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import 'package:d4rt_formulas/corpus.dart';
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import 'package:d4rt_formulas/ai/formula_editor.dart';
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import 'package:d4rt_formulas/services/import_service.dart';
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import 'package:flutter_code_editor/flutter_code_editor.dart';
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import 'package:flutter_highlight/themes/monokai-sublime.dart';
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import 'package:highlight/languages/java.dart';
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/// Screen to preview and import formula elements
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class ImportPreviewScreen extends StatefulWidget {
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final List<FormulaElement> elements;
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final Corpus corpus;
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const ImportPreviewScreen({
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super.key,
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required this.elements,
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required this.corpus,
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});
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@override
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State<ImportPreviewScreen> createState() => _ImportPreviewScreenState();
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}
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class _ImportPreviewScreenState extends State<ImportPreviewScreen> {
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final Set<String> _selectedUuids = {};
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@override
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void initState() {
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super.initState();
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// Select all by default
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for (final element in widget.elements) {
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if (element is Formula) {
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_selectedUuids.add(element.uuid);
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} else if (element is UnitSpec) {
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_selectedUuids.add(element.name);
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}
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}
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}
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void _editFormulaElement(FormulaElement element) {
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if (element is Formula) {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => FormulaEditor(
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formula: element,
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corpus: widget.corpus,
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onSave: (updatedFormula) {
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// Update the element in the list
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setState(() {
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final index = widget.elements.indexWhere(
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(e) => e is Formula && e.uuid == updatedFormula.uuid,
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);
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if (index != -1) {
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widget.elements[index] = updatedFormula;
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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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void _importSelected() {
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final selectedElements = widget.elements.where((element) {
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if (element is Formula) {
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return _selectedUuids.contains(element.uuid);
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} else if (element is UnitSpec) {
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return _selectedUuids.contains(element.name);
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}
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return false;
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}).toList();
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if (selectedElements.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('No elements selected to import'),
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backgroundColor: Colors.orange,
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),
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);
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return;
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}
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try {
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widget.corpus.loadFormulaElements(selectedElements);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Imported ${selectedElements.length} element(s) successfully'),
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backgroundColor: Colors.green,
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),
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);
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Navigator.pop(context, true);
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} catch (e) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Error importing: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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@override
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Widget build(BuildContext context) {
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final formulas = widget.elements.whereType<Formula>().toList();
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final units = widget.elements.whereType<UnitSpec>().toList();
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return Scaffold(
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appBar: AppBar(
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title: const Text('Import Preview'),
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actions: [
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IconButton(
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icon: const Icon(Icons.check),
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tooltip: 'Import Selected',
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onPressed: _importSelected,
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),
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],
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),
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body: Column(
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children: [
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if (formulas.isEmpty && units.isEmpty)
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const Padding(
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padding: EdgeInsets.all(16.0),
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child: Text(
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'No formula elements found in the shared content',
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style: TextStyle(fontSize: 16),
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),
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)
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else
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Expanded(
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child: ListView(
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children: [
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if (formulas.isNotEmpty) ...[
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const ListTile(
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title: Text(
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'Formulas',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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),
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),
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),
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...formulas.map((formula) => _buildFormulaTile(formula)),
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],
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if (units.isNotEmpty) ...[
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const ListTile(
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title: Text(
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'Units',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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),
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),
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),
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...units.map((unit) => _buildUnitTile(unit)),
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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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Widget _buildFormulaTile(Formula formula) {
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final isSelected = _selectedUuids.contains(formula.uuid);
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return Card(
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margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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child: ListTile(
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leading: Checkbox(
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value: isSelected,
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onChanged: (value) {
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setState(() {
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if (value == true) {
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_selectedUuids.add(formula.uuid);
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} else {
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_selectedUuids.remove(formula.uuid);
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}
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});
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},
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),
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title: Text(formula.name),
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subtitle: Text(
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formula.description?.isNotEmpty == true
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? formula.description!.split('\n').first
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: 'No description',
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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trailing: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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if (formula.tags.isNotEmpty)
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Wrap(
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spacing: 4,
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children: formula.tags.take(3).map((tag) {
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return Chip(
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label: Text(tag, style: const TextStyle(fontSize: 10)),
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padding: EdgeInsets.zero,
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materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
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);
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}).toList(),
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),
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IconButton(
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icon: const Icon(Icons.edit),
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tooltip: 'Edit',
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onPressed: () => _editFormulaElement(formula),
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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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Widget _buildUnitTile(UnitSpec unit) {
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final isSelected = _selectedUuids.contains(unit.name);
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return Card(
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margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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child: ListTile(
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leading: Checkbox(
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value: isSelected,
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onChanged: (value) {
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setState(() {
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if (value == true) {
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_selectedUuids.add(unit.name);
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} else {
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_selectedUuids.remove(unit.name);
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}
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});
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},
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),
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title: Text(unit.name),
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subtitle: Text('Base: ${unit.baseUnit} • Symbol: ${unit.symbol}'),
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),
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);
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}
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}
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/// Screen to import formula elements from text
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class ImportFromTextScreen extends StatefulWidget {
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final Corpus corpus;
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const ImportFromTextScreen({
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super.key,
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required this.corpus,
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});
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@override
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State<ImportFromTextScreen> createState() => _ImportFromTextScreenState();
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}
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class _ImportFromTextScreenState extends State<ImportFromTextScreen> {
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final CodeController _codeController = CodeController(
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language: dart,
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text: "// Insert code here...",
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);
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bool _isLoading = false;
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@override
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void dispose() {
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_codeController.dispose();
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super.dispose();
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}
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Future<void> _pasteFromClipboard() async {
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setState(() => _isLoading = true);
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try {
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final clipboardData = await Clipboard.getData('text/plain');
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if (clipboardData?.text != null) {
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_codeController.text = clipboardData!.text!;
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Clipboard is empty'),
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backgroundColor: Colors.orange,
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),
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);
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}
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} catch (e) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Error pasting from clipboard: $e'),
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backgroundColor: Colors.red,
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),
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);
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} finally {
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setState(() => _isLoading = false);
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}
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}
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Future<void> _import() async {
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final text = _codeController.fullText;
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if (text.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please enter or paste formula text'),
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backgroundColor: Colors.orange,
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),
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);
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return;
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}
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setState(() => _isLoading = true);
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try {
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final importService = ImportService();
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final elements = importService.parseSharedText(text);
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if (!mounted) return;
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final result = await Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => ImportPreviewScreen(
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elements: elements,
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corpus: widget.corpus,
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),
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),
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);
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if (result == true) {
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Navigator.pop(context, true);
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}
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} catch (e) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Error parsing text: $e'),
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backgroundColor: Colors.red,
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),
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);
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} finally {
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setState(() => _isLoading = false);
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Import from Text'),
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),
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body: Column(
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children: [
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Expanded(
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child: CodeTheme(
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data: CodeThemeData(styles: monokaiSublimeTheme),
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: SingleChildScrollView(
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child: CodeField(
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controller: _codeController,
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),
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),
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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: 16.0),
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child: Row(
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children: [
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Expanded(
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child: ElevatedButton.icon(
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onPressed: _isLoading ? null : _pasteFromClipboard,
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icon: _isLoading
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? const SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Icon(Icons.content_paste),
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label: const Text('Paste'),
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),
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),
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const SizedBox(width: 16),
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Expanded(
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child: ElevatedButton.icon(
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onPressed: _isLoading ? null : _import,
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icon: const Icon(Icons.import_export),
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label: const Text('Import'),
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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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}
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