118 lines
3.0 KiB
Dart
118 lines
3.0 KiB
Dart
// Copyright 2018 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:english_words/english_words.dart';
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import 'package:flutter/material.dart';
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void main() {
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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Widget build(BuildContext context) {
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return const MaterialApp(
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title: 'Startup Name Generator',
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home: RandomWords(),
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);
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}
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}
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class _RandomWordsState extends State<RandomWords> {
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final _suggestions = <WordPair>[];
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final _saved = <WordPair>{};
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final _biggerFont = const TextStyle(fontSize: 18);
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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('Startup Name Generator'),
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actions: [
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IconButton(
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icon: const Icon(Icons.list),
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onPressed: _pushSaved,
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tooltip: 'Saved Suggestions',
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),
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],
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),
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body: ListView.builder(
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padding: const EdgeInsets.all(16.0),
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itemBuilder: (context, i) {
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if (i.isOdd) return const Divider();
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final index = i ~/ 2;
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if (index >= _suggestions.length) {
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_suggestions.addAll(generateWordPairs().take(10));
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}
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final alreadySaved = _saved.contains(_suggestions[index]);
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return ListTile(
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title: Text(
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_suggestions[index].asPascalCase,
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style: _biggerFont,
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),
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trailing: Icon(
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alreadySaved ? Icons.favorite : Icons.favorite_border,
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color: alreadySaved ? Colors.red : null,
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semanticLabel: alreadySaved ? 'Remove from saved' : 'Save',
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),
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onTap: () {
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setState(() {
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if (alreadySaved) {
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_saved.remove(_suggestions[index]);
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} else {
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_saved.add(_suggestions[index]);
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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 _pushSaved() {
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Navigator.of(context).push(
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MaterialPageRoute<void>(
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builder: (context) {
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final tiles = _saved.map(
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(pair) {
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return ListTile(
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title: Text(
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pair.asPascalCase,
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style: _biggerFont,
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),
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);
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},
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);
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final divided = tiles.isNotEmpty
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? ListTile.divideTiles(
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context: context,
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tiles: tiles,
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).toList()
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: <Widget>[];
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return Scaffold(
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appBar: AppBar(
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title: const Text('Saved Suggestions'),
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),
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body: ListView(children: divided),
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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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class RandomWords extends StatefulWidget {
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const RandomWords({super.key});
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@override
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State<RandomWords> createState() => _RandomWordsState();
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}
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