Initial commit

This commit is contained in:
Krisztu
2026-02-25 09:16:09 +01:00
commit de0e8bcb79
11 changed files with 9854 additions and 0 deletions

88
App.tsx Normal file
View File

@@ -0,0 +1,88 @@
import React, { useState, useEffect } from 'react';
import { View, Text, TextInput, Button, FlatList, TouchableOpacity, StyleSheet } from 'react-native';
import AsyncStorage from '@react-native-async-storage/async-storage';
interface Product {
id: string;
name: string;
price: number;
}
export default function App() {
const [products, setProducts] = useState<Product[]>([]);
const [name, setName] = useState('');
const [price, setPrice] = useState('');
const [editId, setEditId] = useState<string | null>(null);
useEffect(() => {
loadProducts();
}, []);
const loadProducts = async () => {
const data = await AsyncStorage.getItem('products');
if (data) setProducts(JSON.parse(data));
};
const saveProducts = async (newProducts: Product[]) => {
await AsyncStorage.setItem('products', JSON.stringify(newProducts));
setProducts(newProducts);
};
const addProduct = () => {
const newProduct = { id: Date.now().toString(), name, price: parseFloat(price) };
saveProducts([...products, newProduct]);
setName('');
setPrice('');
};
const updateProduct = () => {
const updated = products.map(p => p.id === editId ? { ...p, name, price: parseFloat(price) } : p);
saveProducts(updated);
setEditId(null);
setName('');
setPrice('');
};
const deleteProduct = (id: string) => {
saveProducts(products.filter(p => p.id !== id));
};
const sortByPrice = () => {
saveProducts([...products].sort((a, b) => a.price - b.price));
};
return (
<View style={styles.container}>
<TextInput style={styles.input} placeholder="Név" value={name} onChangeText={setName} />
<TextInput style={styles.input} placeholder="Ár" value={price} onChangeText={setPrice} keyboardType="numeric" />
<Button title={editId ? 'Frissítés' : 'Hozzáadás'} onPress={editId ? updateProduct : addProduct} color="#ff00ff" />
<Button title="Rendezés ár szerint" onPress={sortByPrice} color="#ff00ff" />
<FlatList
data={products}
keyExtractor={item => item.id}
renderItem={({ item }) => (
<View style={styles.item}>
<Text style={{ color: '#ffffff' }}>{item.name} - {item.price} Ft</Text>
<View style={styles.buttons}>
<TouchableOpacity onPress={() => { setEditId(item.id); setName(item.name); setPrice(item.price.toString()); }}>
<Text style={styles.edit}></Text>
</TouchableOpacity>
<TouchableOpacity onPress={() => deleteProduct(item.id)}>
<Text style={styles.delete}>🗑</Text>
</TouchableOpacity>
</View>
</View>
)}
/>
</View>
);
}
const styles = StyleSheet.create({
container: { flex: 1, padding: 16, backgroundColor: '#000000' },
input: { borderWidth: 1, borderColor: '#333333', padding: 8, marginBottom: 8, borderRadius: 4, backgroundColor: '#1a1a1a', color: '#ffffff' },
item: { padding: 16, borderBottomWidth: 1, borderBottomColor: '#333333', flexDirection: 'row', justifyContent: 'space-between' },
buttons: { flexDirection: 'row', gap: 8 },
edit: { fontSize: 18 },
delete: { fontSize: 18 },
});