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Merge branch 'master' of ssh://codeberg.org/alvarogonzalezsotillo/d4rt_formulas

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This commit is contained in:
Álvaro González 2026-03-08 20:18:30 +01:00
commit ab90c4ddc6
3 changed files with 74 additions and 227 deletions
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73
lib/ai/d4rt_editing_controller.dart Normal file
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@ -0,0 +1,73 @@
import 'package:flutter/cupertino.dart';
import '../formula_evaluator.dart';
//// Start of D4rtEditingController class ////
class D4rtEditingController extends TextEditingController {
String? _lastError;
String? get lastError => _lastError;
FormulaResult? _lastValue;
final bool isString;
D4rtEditingController({super.text, this.isString = false});
bool validate() {
if( _validateAsNumberExpression(text) ){
return true;
}
if( isString && _validateAsStringExpression(text) ){
return true;
}
return false;
}
bool _validateAsNumberExpression(String text){
return _validateAsD4rtExpression(text) && _lastValue is NumberResult;
}
bool _validateAsD4rtExpression(String text){
try {
_lastValue = null;
if( text.trim().isEmpty ){
return true;
}
_lastValue = FormulaEvaluator.evaluateExpression(text);
_lastError = null;
return true;
} catch (e, s) {
//errorHandler.notify(e, s);
_lastError = e.toString();
return false;
}
}
bool _validateAsStringExpression(String text){
if( _validateAsD4rtExpression(text) && _lastValue is StringResult ){
return true;
}
if( _validateAsD4rtExpression('"$text"') && _lastValue is StringResult ){
return true;
}
if( _validateAsD4rtExpression("'$text'") && _lastValue is StringResult ){
return true;
}
return false;
}
FormulaResult? get d4rtValue => _lastValue;
@override
set text(String newText) {
super.text = newText;
validate();
}
@override
void notifyListeners() {
validate();
super.notifyListeners();
}
}
//// End of D4rtEditingController class ////

69
lib/ai/formula_screen.dart
View file

@ -7,6 +7,7 @@ import '../formula_models.dart';
import '../formula_evaluator.dart';
import '../corpus.dart';
import '../error_handler.dart';
import 'd4rt_editing_controller.dart';
import 'unit_dropdown.dart';
import 'formula_editor.dart';
@ -20,74 +21,6 @@ class FormulaScreen extends StatefulWidget {
State<FormulaScreen> createState() => _FormulaScreenState();
}
//// Start of D4rtEditingController class ////
class D4rtEditingController extends TextEditingController {
String? _lastError;
String? get lastError => _lastError;
FormulaResult? _lastValue;
final bool isString;
D4rtEditingController({super.text, this.isString = false});
bool validate() {
if( _validateAsNumberExpression(text) ){
return true;
}
if( isString && _validateAsStringExpression(text) ){
return true;
}
return false;
}
bool _validateAsNumberExpression(String text){
return _validateAsD4rtExpression(text) && _lastValue is NumberResult;
}
bool _validateAsD4rtExpression(String text){
try {
_lastValue = null;
if( text.trim().isEmpty ){
return true;
}
_lastValue = FormulaEvaluator.evaluateExpression(text);
_lastError = null;
return true;
} catch (e, s) {
//errorHandler.notify(e, s);
_lastError = e.toString();
return false;
}
}
bool _validateAsStringExpression(String text){
if( _validateAsD4rtExpression(text) && _lastValue is StringResult ){
return true;
}
if( _validateAsD4rtExpression('"$text"') && _lastValue is StringResult ){
return true;
}
if( _validateAsD4rtExpression("'$text'") && _lastValue is StringResult ){
return true;
}
return false;
}
FormulaResult? get d4rtValue => _lastValue;
@override
set text(String newText) {
super.text = newText;
validate();
}
@override
void notifyListeners() {
validate();
super.notifyListeners();
}
}
//// End of D4rtEditingController class ////
class _FormulaScreenState extends State<FormulaScreen> {
final _formKey = GlobalKey<FormState>();

159
lib/ai/unit_list.dart
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@ -1,159 +0,0 @@
import 'package:flutter/material.dart';
import '../corpus.dart';
import '../formula_models.dart';
import 'formula_screen.dart';
class UnitList extends StatefulWidget {
final Corpus corpus;
const UnitList({super.key, required this.corpus});
@override
State<UnitList> createState() => _UnitListState();
}
class _UnitListState extends State<UnitList> {
final TextEditingController _searchController = TextEditingController();
String _searchQuery = '';
@override
void initState() {
super.initState();
_searchController.addListener(_onSearchChanged);
}
void _onSearchChanged() {
setState(() {
_searchQuery = _searchController.text.toLowerCase();
});
}
@override
void dispose() {
_searchController.dispose();
super.dispose();
}
List<UnitSpec> get _filteredUnits {
bool filter(UnitSpec unit) => unit.name.toLowerCase().contains(_searchQuery);
return widget.corpus.allUnits().where(filter).toList();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Units List'),
actions: [
IconButton(
icon: const Icon(Icons.functions),
onPressed: () {
final sampleFormula = Formula(
name: "Kinetic Energy",
input: [
VariableSpec(name: 'mass', unit: 'kilogram'),
VariableSpec(name: 'velocity', unit: 'meters_per_second'),
],
description : """
# titulo
hola
## otro titulo
""",
output: VariableSpec(name: 'energy', unit: 'joule'),
d4rtCode: "energy = 0.5 * mass * velocity * velocity;",
);
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => FormulaScreen(
formula: sampleFormula,
corpus: widget.corpus,
),
),
);
},
),
],
),
body: Column(
children: [
Padding(
padding: const EdgeInsets.all(16.0),
child: TextField(
controller: _searchController,
decoration: const InputDecoration(
labelText: 'Search units',
hintText: 'Start typing unit name...',
prefixIcon: Icon(Icons.search),
border: OutlineInputBorder(),
),
),
),
Expanded(
child: _filteredUnits.isEmpty
? Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.search_off, size: 40, color: Theme.of(context).colorScheme.outline),
const SizedBox(height: 16),
Text('No matching units found',
style: Theme.of(context).textTheme.titleSmall?.copyWith(
color: Theme.of(context).colorScheme.outline
),
),
],
),
)
: ListView.builder(
itemCount: _filteredUnits.length,
itemBuilder: (context, index) {
final unit = _filteredUnits[index];
return ListTile(
title: Text(unit.name),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Symbol: ${unit.symbol}'),
Text('Base: ${unit.baseUnit}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant
),
),
if (unit.factorFromUnitToBase != null)
Padding(
padding: const EdgeInsets.only(top: 4),
child: Text('1 ${unit.name} = ${unit.factorFromUnitToBase} ${unit.baseUnit}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
fontFeatures: [const FontFeature.tabularFigures()],
color: Theme.of(context).colorScheme.primary,
),
),
),
],
),
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
tileColor: index.isEven
? Theme.of(context).colorScheme.surfaceVariant.withOpacity(0.2)
: null,
visualDensity: VisualDensity.compact,
);
},
),
),
Padding(
padding: const EdgeInsets.all(16.0),
child: Text('hello Informáticos',
style: TextStyle(
fontSize: 18,
color: Theme.of(context).colorScheme.primary,
fontWeight: FontWeight.bold,
),
),
),
],
),
);
}
}