onImport by qwen

.gitignore

@@ -18,3 +18,4 @@
 .aider*
 .build-container-cache
 /coverage/
+/.agent-shell/

TODO.md

@@ -67,15 +67,15 @@
 - [R] When a formula is derived in FormulaScreen, the new FormulaScreen is not pushed in navigator, it replacles the current FormulaScreen
 - [R] In FormulaScreen, a Formula cant be derived if DerivedFormula.isDerivable() returns false
 - [R] The algorithm of formulaSolver should be https://en.wikipedia.org/wiki/Newton%27s_method
-- [ ] Use receive_sharing_intent package to implement import of files in linux and android.
+- [R] Use receive_sharing_intent package to implement import of files in linux and android.
   - The application will accept *.d4rtf files with the same format of files in ./assets .
   - The application will accept also shared text, with same format as files in ./assets.
-  - The loaded formulaelemets will be added to the GetIt.instance.get<Corpus)()
+  - The loaded formulaelemets will be added to the GetIt.instance.get<Corpus>()
-- [ ] Preview of imported formulalements
+- [R] Preview of imported formulalements
   - The screen will receive a list of FormulaElements to import
   - The formulas will have a "edit" button to show a FormulaEditor with the formula
   - The screen will have an "import all" button to import all the FormulaElements in the list. This will call Corpus.addFormulaElement() for each element, and then pop the screen.
-- [ ] In FormulaList, add a button next to "export" to import FormulaElements.
+- [R] In FormulaList, add a button next to "export" to import FormulaElements.
   - It will show a screen with a text editor with dart syntax and a button "paste".
   - The "paste" button will copy the clipboard into the text editor.
   - A second button "import" will use the import preview screen

lib/ai/formula_list.dart

@@ -7,13 +7,17 @@ import 'formula_screen.dart';
 import 'package:share_plus/share_plus.dart' as share_plus;
 import 'formula_editor.dart';
 import 'package:share_plus/share_plus.dart';
+import 'import_preview_screen.dart';
+import '../services/import_service.dart';
 
 class FormulaList extends StatefulWidget {
   final Corpus corpus;
+  final VoidCallback? onImport;
 
   const FormulaList({
     super.key,
     required this.corpus,
+    this.onImport,
   });
 
   @override
@@ -133,6 +137,23 @@ class _FormulaListState extends State<FormulaList> {
     );
   }
 
+  void _importFromText() {
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (context) => ImportFromTextScreen(
+          corpus: widget.corpus,
+        ),
+      ),
+    ).then((result) {
+      if (result == true) {
+        setState(() {
+          // Refresh the list when returning from import
+        });
+      }
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return Column(

lib/main.dart

@@ -8,6 +8,7 @@ import 'ai/formula_list.dart';
 import 'corpus.dart';
 import 'defaults/default_corpus.dart';
 import 'formula_models.dart' as models;
+import 'ai/import_preview_screen.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -43,6 +44,23 @@ class _CorpusLoaderState extends State<CorpusLoader> {
     _corpusFuture = loadCorpusFromDatabaseOrAssets();
   }
 
+  void _handleImport() {
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (context) => ImportFromTextScreen(
+          corpus: _corpusFuture.then((c) => c).value as Corpus? ?? Corpus(),
+        ),
+      ),
+    ).then((result) {
+      if( result ) {
+        setState(() {
+          // Refresh the list when returning from import
+        });
+      }
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return FutureBuilder<Corpus>(
@@ -59,9 +77,19 @@ class _CorpusLoaderState extends State<CorpusLoader> {
           // If the corpus is empty (user chose not to load default), we could handle that here
           // For now, just display the formula list
           return Scaffold(
-            appBar: AppBar(title: const Text('Formulas')),
+            appBar: AppBar(
+              title: const Text('Formulas'),
+              actions: [
+                IconButton(
+                  icon: const Icon(Icons.import_export),
+                  tooltip: 'Import formulas',
+                  onPressed: _handleImport,
+                ),
+              ],
+            ),
             body: FormulaList(
               corpus: snapshot.data!,
+              onImport: _handleImport,
             ),
           );
         }