138 lines
3.9 KiB
Dart
138 lines
3.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:injector/injector.dart';
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import 'package:profession_repository/profession_repository.dart';
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import 'package:shimmer/shimmer.dart';
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class DropdownListScreen extends StatefulWidget {
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const DropdownListScreen({super.key});
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@override
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State<DropdownListScreen> createState() => _DropdownListScreenState();
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}
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class _DropdownListScreenState extends State<DropdownListScreen> {
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final professionRepository = Injector.appInstance.get<ProfessionRepository>();
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List<String>? _professions;
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List<String>? _filteredProfessions;
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String? _selectedProfession;
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bool _isLoading = true;
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@override
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void initState() {
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super.initState();
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_loadProfessions();
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}
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void _loadProfessions() {
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professionRepository.getProfessions().then((Professions element) {
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setState(() {
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_professions = element.professions;
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_filteredProfessions = _professions;
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_isLoading = false;
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});
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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(
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title: const Text('Profesiones'),
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),
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body: Column(
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children: [
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_isLoading
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? _buildShimmerEffect()
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: Expanded(
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child: _filteredProfessions != null &&
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_filteredProfessions!.isNotEmpty
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? DropdownButton<String>(
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isExpanded: true,
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value: _selectedProfession,
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hint: const Text('Seleccione una profesión'),
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items: _filteredProfessions!.map((String profession) {
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return DropdownMenuItem<String>(
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value: profession,
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child: Text(profession),
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);
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}).toList(),
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onChanged: (String? newValue) {
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setState(() {
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_selectedProfession = newValue;
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});
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},
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)
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: const Center(
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child: Text('No se encontraron coincidencias'),
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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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Widget _buildShimmerEffect() {
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return Expanded(
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child: Shimmer.fromColors(
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baseColor: Colors.grey[300]!,
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highlightColor: Colors.grey[100]!,
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child: ListView.builder(
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itemCount: 8,
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itemBuilder: (_, __) => const ListTileShimmer(),
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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 ListTileShimmer extends StatelessWidget {
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const ListTileShimmer({super.key});
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@override
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Widget build(BuildContext context) {
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return Container(
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(color: Colors.grey.withOpacity(0.4)),
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),
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),
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child: ListTile(
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title: Row(
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children: [
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Container(
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width: MediaQuery.of(context).size.width * 0.8,
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height: 20.0,
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(8),
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),
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),
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],
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),
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subtitle: Row(
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children: [
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Container(
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width: MediaQuery.of(context).size.width * 0.3,
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height: 15.0,
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(8),
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),
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),
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const SizedBox(width: 5),
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Container(
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width: MediaQuery.of(context).size.width * 0.3,
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height: 15.0,
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(8),
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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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