140 lines
4.3 KiB
Dart
140 lines
4.3 KiB
Dart
import 'package:d4rt_formulas/d4rt_formulas.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_code_editor/flutter_code_editor.dart';
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import 'package:get_it/get_it.dart';
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import 'package:flutter_highlight/themes/monokai-sublime.dart';
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import 'package:highlight/languages/dart.dart';
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import '../database/database_service.dart';
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import '../service_locator.dart';
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import '../services/import_service.dart';
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import 'formula_list.dart';
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import '../corpus.dart';
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import '../defaults/default_corpus.dart';
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import '../formula_models.dart' as models;
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import 'import_preview_screen.dart';
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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({super.key, required this.corpus});
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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(language: dart, text: "// Insert code here...");
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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(
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context,
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).showSnackBar(const SnackBar(content: Text('Clipboard is empty'), backgroundColor: Colors.orange));
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}
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} catch (e) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text('Error pasting from clipboard: $e'), backgroundColor: Colors.red));
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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(content: Text('Please enter or paste formula text'), backgroundColor: Colors.orange),
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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(elements: elements, corpus: widget.corpus),
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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(
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context,
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).showSnackBar(SnackBar(content: Text('Error parsing text: $e'), backgroundColor: Colors.red));
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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(title: const Text('Import from Text')),
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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(child: CodeField(controller: _codeController)),
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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(width: 16, height: 16, child: CircularProgressIndicator(strokeWidth: 2))
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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.library_add),
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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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